Updated on 2023/10/19

写真a

 
Akikazu Fujita
 
Organization
Research Field in Veterinary Medicine, Agriculture, Fisheries and Veterinary Medicine Area Joint faculty of Veterinary Medicine Department of Veterinary Medicine Professor
Title
Professor

Degree

  • Ph.D ( 1996.3   Osaka Prefecture University )

Research Interests

  • 脂質,ナノスケール,電子顕微鏡,エンドサイトーシス

Research Areas

  • Others / Others  / 細胞生物

Education

  • Osaka Prefecture University   Graduate School of Agriculture and Life Science

    1992.4 - 1996.3

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    Country: Japan

  • Osaka Prefecture University

    1985.4 - 1992.3

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    Country: Japan

Research History

  • Kagoshima University   Professor

    2012.4

Professional Memberships

  • 顕微鏡学会

    2015.10

  • 日本細胞生物学会

    2015.10

  • 日本組織細胞化学会

    2015.10

  • 日本解剖学会

    2015.10

  • 日本生化学会

    2015.10

  • 日本獣医学会

    2015.10

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Studying abroad experiences

  • 2003.10 - 2004.8   The University of Queensland  

  • 1997.8 - 1997.10   University of Oslo   Post doctor

  • 1994.7 - 1995.8   Georgetown University   Research fellow

Qualification acquired

  • Veterinarian

 

Papers

  • Konishi R, Fukuda K, Kuriyama S, Masatani T, Xuan X, Fujita A .  Unique asymmetric distribution of phosphatidylserine and phosphatidylethanolamine in Toxoplasma gondii revealed by nanoscale analysis. .  Histochemistry and cell biology160 ( 4 ) 279 - 291   2023.7Unique asymmetric distribution of phosphatidylserine and phosphatidylethanolamine in Toxoplasma gondii revealed by nanoscale analysis.Reviewed International journal

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    DOI: 10.1007/s00418-023-02218-0

    PubMed

  • Moe Muramoto, Yuki Yamakuchi, Rikako Konishi, Shiomi Koudatsu, Hiromu Tomikura, Kayoko Fukuda, Sayuri Kuriyama, Yuna Kurokawa, Tatsunori Masatani, Hisanori Tamaki, Akikazu Fujita .  Essential roles of phosphatidylinositol 4-phosphate phosphatases Sac1p and Sjl3p in yeast autophagosome formation .  Biochimica et Biophysica Acta - Molecular and Cell Biology of Lipids1867   159184   2022.6Essential roles of phosphatidylinositol 4-phosphate phosphatases Sac1p and Sjl3p in yeast autophagosome formationReviewed

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    Authorship:Corresponding author   Language:English   Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.bbalip.2022.159184

  • 藤田 秋一 .  膜脂質の疎水性領域を可視化する逆転レプリカ法の開発 .  上原記念生命科学財団研究報告集35   1 - 5   2021.12膜脂質の疎水性領域を可視化する逆転レプリカ法の開発

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    Language:Japanese   Publisher:(公財)上原記念生命科学財団  

  • 1. Yamakuchi, Y., Kurokawa, Y., Konishi, R., Fukuda, K., Masatani, T., Fujita, A. .  Selective increment of phosphatidylserine on the autophagic body membrane in yeast’s vacuole. .  FEBS Lett.595 ( 17 ) 2197 - 2207   2021.8Selective increment of phosphatidylserine on the autophagic body membrane in yeast’s vacuole.Reviewed

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    DOI: 10.1002/1873-3468.14167

  • 2. Koudatsu, S., Masatani, T., Konishi, R., Asada, M., Hakimi, H., Kurokawa, Y., Tomioku, K., Kaneko, O., Fujita, A. .  Glycosphingolipid GM3 is localized in both exoplasmic and cytoplasmic leaflets of Plasmodium falciparum malaria parasite plasma membrane. .  Sci. Rep.11 ( 1 ) 14890   2021.7Glycosphingolipid GM3 is localized in both exoplasmic and cytoplasmic leaflets of Plasmodium falciparum malaria parasite plasma membrane.Reviewed

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    DOI: 10.1038/s41598-021-94037-3

  • 3. Kurokawa, Y., Konishi, R., Yoshida, A., Tomioku, K., Tanabe, K., Fujita, A. .  The distribution of phosphatidylinositol 4,5-bisphosphate in the budding yeast plasma membrane. .  Histochem. Cell Biol.156 ( 2 ) 109 - 121   2021.5The distribution of phosphatidylinositol 4,5-bisphosphate in the budding yeast plasma membrane.Reviewed

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    DOI: 10.1007/s00418-021-01989-8

  • Rikako Konishi, Yuna Kurokawa, Kanna Tomioku, Tatsunori Masatani, Xuenan Xuan, Akikazu Fujita .  Raft microdomain localized in the luminal leaflet of inner membrane complex of living Toxoplasma gondii .  Eur. J. Cell Biol.100   151149   2021.1Raft microdomain localized in the luminal leaflet of inner membrane complex of living Toxoplasma gondiiReviewed

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  • Microautophagy in the yeast vacuole depends on the activities of phosphatidylinositol 4-kinases, Stt4p and Pik1p .  Biochim. Biophys. Acta. Biomembrane.1862   183416   2020.7Microautophagy in the yeast vacuole depends on the activities of phosphatidylinositol 4-kinases, Stt4p and Pik1pReviewed

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    DOI: 10.1016/j.bbamem.2020.183416

    Other Link: https://www.ncbi.nlm.nih.gov/pubmed/32726584

  • 1. Kurokawa, Y., Masatani, T., Konishi R, Tomioku, K., Xuan, X., Fujita, A. .  Nanoscale analysis reveals no domain formation of glycosylphosphatidylinositol-anchored protein SAG1 in the plasma membrane of living Toxoplasma gondii. .  Histochem. Cell Biol.   2019.9Nanoscale analysis reveals no domain formation of glycosylphosphatidylinositol-anchored protein SAG1 in the plasma membrane of living Toxoplasma gondii.Reviewed

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    Glycosylphosphatidylinositol (GPI)-anchored proteins typically localise to lipid rafts. GPI-anchored protein microdomains may be present in the plasma membrane; however, they have been studied using heterogeneously expressed GPI-anchored proteins, and the two-dimensional distributions of endogenous molecules in the plasma membrane are difficult to determine at the nanometre scale. Here, we used immunoelectron microscopy using a quick-freezing and freeze-fracture labelling (QF-FRL) method to examine the distribution of the endogenous GPI-anchored protein SAG1 in Toxoplasma gondii at the nanoscale. QF-FRL physically immobilised molecules in situ, minimising the possibility of artefactual perturbation. SAG1 labelling was observed in the exoplasmic, but not cytoplasmic, leaflets of T. gondii plasma membrane, whereas none was detected in any leaflet of the inner membrane complex. Point pattern analysis of SAG1 immunogold labelling revealed mostly random distribution in T. gondii plasma membrane. The present method obtains information on the molecular distribution of natively expressed GPI-anchored proteins and demonstrates that SAG1 in T. gondii does not form significant microdomains in the plasma membrane.

    DOI: 10.1007/s00418-019-01814-3.

    Other Link: https://www.ncbi.nlm.nih.gov/pubmed/31542792

  • 3. Kurokawa, Y., Konishi, R., Yoshida, A., Fujii, E., Tomioku, K., Futagami, T., Tamaki, H., Tanabe, K., Fujita, A. .  Essential and distinct roles of phosphatidylinositol 4-kinases, Pik1p and Stt4p, in yeast autophagy. .  Biochim. Biophys. Acta. Mol. Cell Biol. Lipids. 1864   1214 - 1225   2019.9Essential and distinct roles of phosphatidylinositol 4-kinases, Pik1p and Stt4p, in yeast autophagy.Reviewed

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    Autophagy is a degradative cellular pathway that protects eukaryotic cells from starvation/stress. Phosphatidylinositol 4-kinases, Pik1p and Stt4p, are indispensable for autophagy in budding yeast, but participation of PtdIns-4 kinases and their product, phosphatidylinositol 4-phosphate [PtdIns(4)P], is not understood. Nanoscale membrane lipid distribution analysis showed PtdIns(4)P is more abundant in yeast autophagosomes in the luminal leaflet than the cytoplasmic leaflet. PtdIns(4)P is confined to the cytoplasmic leaflet of autophagosomal inner and outer membranes in mammalian cells. Using temperature-conditional single PIK1 or STT4 PtdIns 4-kinase mutants, autophagic bodies in the vacuole of PIK1 and STT4 mutant cells dramatically decreased at restrictive temperatures, and the number of autophagosomes in the cytosol of PIK1 mutants cells was also decreased, whereas autophagosome levels of STT4 mutant cells were comparable to that of wild-type and STT4 mutant cells at permissive temperatures. Localization of PtdIns(4)P in the luminal leaflet in the biological membrane is a novel finding, and differences in PtdIns(4)P distribution suggest substantial differences between yeast and mammals. We also demonstrate in this study that Pik1p and Stt4p play essential roles in autophagosome formation and autophagosome-vacuole fusion in yeast cells, respectively.

    DOI: 10.1016/j.bbalip.2019.05.004.

  • Kurokawa Y, Konishi R, Yoshida A, Tomioku K, Futagami T, Tamaki H, Tanabe K, Fujita A .  Essential and distinct roles of phosphatidylinositol 4-kinases, Pik1p and Stt4p, in yeast autophagy. .  Biochimica et biophysica acta. Molecular and cell biology of lipids1864 ( 9 ) 1214 - 1225   2019.9Essential and distinct roles of phosphatidylinositol 4-kinases, Pik1p and Stt4p, in yeast autophagy.

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    DOI: 10.1016/j.bbalip.2019.05.004

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  • 2. Tsuji, T., Cheng, J., Tatematsu, T., Ebata, A., Kamikawa, H., Fujita, A., Gyobu, S., Segawa, K., Arai, H., Taguchi, T., Nagata, S., Fujimoto, T. .  Predominant localization of phosphatidylserine at the cytoplasmic leaflet of the ER, and its TMEM16K-dependent redistribution. .  Proc. Natl. Acad. Sci. U S A.116   13368 - 13373   2019.7Predominant localization of phosphatidylserine at the cytoplasmic leaflet of the ER, and its TMEM16K-dependent redistribution.Reviewed

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    TMEM16K, a membrane protein carrying 10 transmembrane regions, has phospholipid scramblase activity. TMEM16K is localized to intracellular membranes, but whether it actually scrambles phospholipids inside cells has not been demonstrated, due to technical difficulties in studying intracellular lipid distributions. Here, we developed a freeze-fracture electron microscopy method that enabled us to determine the phosphatidylserine (PtdSer) distribution in the individual leaflets of cellular membranes. Using this method, we found that the endoplasmic reticulum (ER) of mammalian cells harbored abundant PtdSer in its cytoplasmic leaflet and much less in the luminal leaflet, whereas the outer and inner nuclear membranes (NMs) had equivalent amounts of PtdSer in both leaflets. The ER and NMs of budding yeast also harbored PtdSer in their cytoplasmic leaflet, but asymmetrical distribution in the ER was not observed. Treating mouse embryonic fibroblasts with the Ca2+ ionophore A23187 compromised the cytoplasmic leaflet-dominant PtdSer asymmetry in the ER and increased PtdSer in the NMs, especially in the nucleoplasmic leaflet of the inner NM. This Ca2+-induced PtdSer redistribution was not observed in TMEM16K-null fibroblasts, but was recovered in these cells by reexpressing TMEM16K. These results indicate that, similar to the plasma membrane, PtdSer in the ER of mammalian cells is predominantly localized to the cytoplasmic leaflet, and that TMEM16K directly or indirectly mediates Ca2+-dependent phospholipid scrambling in the ER.

    DOI: 10.1073/pnas.

    Other Link: https://www.ncbi.nlm.nih.gov/pubmed/31217287

  • 4. Kurokawa, Y., Yoshida, A., Fujii, E., Tomioku, K., Hayashi, H., Tanabe, K., Fujita, A. .  Phosphatidylinositol 4-phosphate on Rab7-positive autophagosomes revealed by the freeze-fracture replica labeling. .  Traffic20   82 - 95   2019.1Phosphatidylinositol 4-phosphate on Rab7-positive autophagosomes revealed by the freeze-fracture replica labeling.Reviewed

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    Phosphatidylinositol 4-phophate (PtdIns(4)P) is an essential signaling molecule in the Golgi body, endosomal system, and plasma membrane and functions in the regulation of membrane trafficking, cytoskeletal organization, lipid metabolism and signal transduction pathways, all mediated by direct interaction with PtdIns(4)P-binding proteins. PtdIns(4)P was recently reported to have functional roles in autophagosome biogenesis. LC3 and GABARAP subfamilies and a small GTP-binding protein, Rab7, are localized on autophagosomal membranes and participate at each stage of autophagosome formation and maturation. To better understand autophagosome biogenesis, it is essential to determine the localization of PtdIns(4)P and to examine its relationship with LC3 and GABARAP subfamilies and Rab7. To analyze PtdIns(4)P distribution, we used an electron microscopy technique that labels PtdIns(4)P on the freeze-fracture replica of intracellular biological membranes, which minimizes the possibility of artificial perturbation because molecules in the membrane are physically immobilized in situ. Using this technique, we found that PtdIns(4)P is localized on the cytoplasmic, but not the luminal (exoplasmic), leaflet of the inner and outer membranes of autophagosomes. Double labeling revealed that PtdIns(4)P mostly colocalizes with Rab7, but not with LC3B, GABARAP, GABARAPL1 and GABARAPL2. Rab7 plays essential roles in autophagosome maturation and in autophagosome-lysosome fusion events. We suggest that PtdIns(4)P is localized to the cytoplasmic leaflet of the autophagosome at later stages, which may illuminate the importance of PtdIns(4)P at the later stages of autophagosome formation.

    DOI: 10.1111/tra.12623

    Other Link: https://www.ncbi.nlm.nih.gov/pubmed/30426618

  • 5. Tsuji, T., Fujita, A., Fujimoto, T. .  Immunoelectron Microscopy of Gangliosides. .  Methods Mol. Biol.1804   231 - 239   2018.11Reviewed

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    Because chemical fixatives like aldehydes do not work on most lipid molecules in the membrane, small-scale lipid distribution cannot be identified by immunoelectron microscopy in cells fixed by conventional methods. Here we describe a method for physically stabilizing membranes through quick-freezing and freeze-fracture replica formation and for specifically labeling gangliosides for electron microscopy. This method enables the ultrahigh-resolution mapping of membrane lipids including gangliosides within the two-dimensional plane of membranes.

    DOI: 10.1007/978-1-4939-8552-4_11.

  • 1. Tomioku, K.N., Shigekuni, M., Hayashi, H., Yoshida, A., Futagami, T., Tamaki, H., Tanabe, K., Fujita, A. .  Nanoscale domain formation of phosphatidylinositol 4-phosphate in the plasma and vacuolar membranes of living yeast cells. .  Eur. J. Cell Biol.97   269 - 278   2018.3Reviewed

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    In budding yeast Saccharomyces cerevisiae, PtdIns(4)P serves as an essential signalling molecule in the Golgi complex, endosomal system, and plasma membrane, where it is involved in the control of multiple cellular functions via direct interactions with PtdIns(4)P-binding proteins. To analyse the distribution of PtdIns(4)P in yeast cells at a nanoscale level, we employed an electron microscopy technique that specifically labels PtdIns(4)P on the freeze-fracture replica of the yeast membrane. This method minimizes the possibility of artificial perturbation, because molecules in the membrane are physically immobilised in situ. We observed that PtdIns(4)P is localised on the cytoplasmic leaflet, but not the exoplasmic leaflet, of the plasma membrane, Golgi body, vacuole, and vesicular structure membranes. PtdIns(4)P labelling was not observed in the membrane of the endoplasmic reticulum, and in the outer and inner membranes of the nuclear envelope or mitochondria. PtdIns(4)P forms clusters of <100 nm in diameter in the plasma membrane and vacuolar membrane according to point pattern analysis of immunogold labelling. There are three kinds of compartments in the cytoplasmic leaflet of the plasma membrane. In the present study, we showed that PtdIns(4)P is specifically localised in the flat undifferentiated plasma membrane compartment. In the vacuolar membrane, PtdIns(4)P was concentrated in intramembrane particle (IMP)-deficient raft-like domains, which are tightly bound to lipid droplets, but not surrounding IMP-rich non-raft domains in geometrical IMP-distributed patterns in the stationary phase. This is the first report showing microdomain formations of PtdIns(4)P in the plasma membrane and vacuolar membrane of budding yeast cells at a nanoscale level, which will illuminate the functionality of PtdIns(4)P in each membrane.

    DOI: 10.1016/j.ejcb.2018.03.007

  • Yoshida A, Hayashi H, Tanabe K, Fujita A .  Segregation of phosphatidylinositol 4-phosphate and phosphatidylinositol 4,5-bisphosphate into distinct microdomains on the endosome membrane .  Biochim Biophys Acta1859 ( 10 ) 1880 - 1890   2017.7Segregation of phosphatidylinositol 4-phosphate and phosphatidylinositol 4,5-bisphosphate into distinct microdomains on the endosome membraneReviewed

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    Phosphatidylinositol 4-phosphate (PtdIns(4)P) is the immediate precursor of phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2), which is located on the cytoplasmic leaflet of the plasma membrane and has been reported to possess multiple cellular functions. Although PtdIns(4)P and PtdIns(4,5)P2 have been reported to localize to multiple intracellular compartments and to each function as regulatory molecules, their generation, regulation and functions in most intracellular compartments are not well-defined. To analyze PtdIns(4)P and PtdIns(4,5)P2 distributions, at a nanoscale, we employed an electron microscopy technique that specifically labels PtdIns(4)P and PtdIns(4,5)P2 on the freeze-fracture replica of intracellular biological membranes. This method minimizes the possibility of artificial perturbation, because molecules in the membrane are physically immobilized in situ. Using this technique, we found that PtdIns(4)P was localized to the cytoplasmic leaflet of Golgi apparatus and vesicular-shaped structures. The PtdIns(4,5)P2 labeling was observed in the cytoplasmic leaflet of the mitochondrial inner membrane and vesicular-shaped structures. Double labeling of PtdIns(4)P and PtdIns(4,5)P2 with endosome markers illustrated that PtdIns(4)P and PtdIns(4,5)P2 were mainly localized to the late endosome/lysosome and early endosome, respectively. PtdIns(4)P and PtdIns(4,5)P2 were colocalized in some endosomes, with the two phospholipids separated into distinct microdomains on the same endosomes. This is the first report showing, at a nanoscale, segregation of PtdIns(4)P- and PtdIns(4,5)P2-enriched microdomains in the endosome, of likely importance for endosome functionality.

    DOI: 10.1016/j.bbamem.2017.06.014

    Other Link: https://www.ncbi.nlm.nih.gov/pubmed/28648675

  • Yoshida, A., Shigekuni, M., Tanabe, K., Fujita, A. .  Nanoscale analysis reveals agonist-sensitive and heterogeneous pools of phosphatidylinositol 4-phosphate in the plasma membrane. .  Biochim. Biophys. Acta. 1858 ( 6 ) 1298 - 1305   2016.3Nanoscale analysis reveals agonist-sensitive and heterogeneous pools of phosphatidylinositol 4-phosphate in the plasma membrane.Reviewed

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    Phosphatidylinositol 4-phosphate [PtdIns(4)P] is the immediate precursor of phosphatidylinositol 4,5-bisphosphate [PtdIns(4,5)P2], which is localized to the cytoplasmic leaflet of the plasma membrane and has been reported to possess multiple cell biological functions. Direct evidence showing the distribution of PtdIns(4)P pools at a nanoscale when the plasma membrane PtdIns(4,5)P2 is hydrolyzed by agonist stimulation is lacking. To analyze the distribution of PtdIns(4)P at a nanoscale, we employed an electron microscopy technique that specifically labels PtdIns(4)P on the freeze-fracture replica of the plasma membrane. This method minimizes the possibility of artificial perturbation, because molecules in the membrane are physically immobilized in situ. Using this technique, we observed no PtdIns(4)P in the caveolae of normal cultured human fibroblasts, although PtdIns(4,5)P2 has been shown to be highly concentrated in them in our previous report. When cells were stimulated with angiotensin II, the level of PtdIns(4)P in the undifferentiated membrane transiently decreased to 64.3% at 10s, began to increase at 30s and largely increased to 341.9% at 40s, and then returned to the initial level at 130s after the stimulation. Interestingly, PtdIns(4)P localized at the caveolae at 70 and 130s after the stimulation. These results suggest that the level of the PtdIns(4)P pool in the plasma membrane is sensitive and the distribution of PtdIns(4)P dramatically changes by agonist stimulation, and there are active sites of production or replenishment of PtdIns(4)P at undifferentiated membrane and caveolar areas.

    DOI: 10.1016/j.bbamem.2016.03.011

  • Henry, Y., Morikawa, Y., Oe, N., Ikeda, N., Fujita, A., Takei, K., Minogue, S., Tatabe, K. .  PtdIns4KIIα generates endosomal PtdIns(4)P and is required for receptor sorting at early endosomes. .  Mol. Biol. Cell27 ( 6 ) 990 - 1001   2016.1PtdIns4KIIα generates endosomal PtdIns(4)P and is required for receptor sorting at early endosomes.Reviewed

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    Phosphatidylinositol 4-kinase IIα (PtdIns4KIIα) localizes to the trans-Golgi network and endosomal compartments and has been implicated in the regulation of endosomal traffic, but the roles of both its enzymatic activity and the site of its action have not been elucidated. This study shows that PtdIns4KIIα is required for production of endosomal phosphatidylinositol 4-phosphate (PtdIns(4)P) on early endosomes and for the sorting of transferrin and epidermal growth factor receptor into recycling and degradative pathways. Depletion of PtdIns4KIIα with small interfering RNA significantly reduced the amount of vesicular PtdIns(4)P on early endosomes but not on Golgi membranes. Cells depleted of PtdIns4KIIα had an impaired ability to sort molecules destined for recycling from early endosomes. We further identify the Eps15 homology domain-containing protein 3 (EHD3) as a possible endosomal effector of PtdIns4KIIα. Tubular endosomes containing EHD3 were shortened and became more vesicular in PtdIns4KIIα-depleted cells. Endosomal PtdIns(4,5)P2 was also significantly reduced in PtdIns4KIIα-depleted cells. These results show that PtdIns4KIIα regulates receptor sorting at early endosomes through a PtdIns(4)P-dependent pathway and contributes substrate for the synthesis of endosomal PtdIns(4,5)P2.

    DOI: 10.1091/mbc.E15-08-0564

  • Fujita, A., Inanobe, A., Hibino, H., Nielsen, S., Ottersen, OP., Kurachi, Y. .  Clustering of Kir4.1 at the specialized compartments of the lateral membrane in ependymal cells of rat brain .  Cell Tissue Res359 ( 2 ) 627 - 634   2015.12Clustering of Kir4.1 at the specialized compartments of the lateral membrane in ependymal cells of rat brainReviewed

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  • Cheng, J., Fujita, A., Yamamoto, H., Tatematsu, T., Kakuta, S., Obara, K., Ohsumi, Y., Fujimoto, T. .  Yeast and mammalian autophagosomes exhibit distinct phosphatidylinositol 3-phosphate asymmetries. .  Nat. Commun.5   3207   2014.2Yeast and mammalian autophagosomes exhibit distinct phosphatidylinositol 3-phosphate asymmetries.Reviewed

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  • Fujita, A., Fujimoto, T., Ozato-Sakurai, N., Suzuki, H. .  A method for efficient observation of intracellular membranes of monolayer culture cells by quick-freeze and freeze-fracture electron microscopy. .  J. Electron. Microsc. (Tokyo)61 ( 6 ) 441 - 446   2012.11A method for efficient observation of intracellular membranes of monolayer culture cells by quick-freeze and freeze-fracture electron microscopy.Reviewed

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  • Ozato-Sakurai, N., Fujita, A., Fujimoto, T. .  The distribution of phosphatidy linositol 4,5-bisphosphate in acinar cells of rat pancreas revealed with the freeze-fracture replica labeling method. .  PLoS One. 6   e23567   2011.8The distribution of phosphatidy linositol 4,5-bisphosphate in acinar cells of rat pancreas revealed with the freeze-fracture replica labeling method.Reviewed

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  • Kawai, Y., Hamazaki, Y., Fujita, H., Fujita, A., Sato, T., Furuse, M., Fujimoto, T., Jetten, A.M., Agata, Y., Minato, N. .  Claudin-4 induction by E-protein activity in later stages of CD4/8 double-positive thymocytes to increase positive selection efficiency. .  Proc. Natl. Acad. Sci. U S A. 108   4075 - 4080   2011.3Claudin-4 induction by E-protein activity in later stages of CD4/8 double-positive thymocytes to increase positive selection efficiency.Reviewed

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  • Fujita, A., Cheng, J., Fujimoto, T. .  Quantitative electron microscopy for the nanoscale analysis of membrane lipid distribution. .  Nat. Protoc. 5   661 - 669   2010.3Quantitative electron microscopy for the nanoscale analysis of membrane lipid distribution. Reviewed

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  • Fujita, A., Fujimoto T. .  High resolution molecular localization by freeze-fracture replica labeling. .  Methods Mol. Biol.657   205 - 216   2010High resolution molecular localization by freeze-fracture replica labeling.Reviewed

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  • Fujita, A., Cheng, J., Tauchi-Sato, K., Takenawa, T., Fujimoto, T. .  A distinct pool of phosphatidylinositol 4,5-bisphosphate in caveolae revealed by a nanoscale labeling technique. .  Proc. Natl. Acad. Sci. U S A. 106   9256 - 9261   2009.6A distinct pool of phosphatidylinositol 4,5-bisphosphate in caveolae revealed by a nanoscale labeling technique.Reviewed

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  • Cheng, J., Fujita, A., Ohsaki, Y., Suzuki, M., Shinohara, Y., Fujimoto, T. .  Quantitative electron microscopy shows uniform incorporation of triglycerides into existing lipid droplets. .  Histochem. Cell Biol.132   281 - 291   2009.6Quantitative electron microscopy shows uniform incorporation of triglycerides into existing lipid droplets. Reviewed

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  • Fujita, A., Cheng, J., Fujimoto, T. .  Segregation of GM1 and GM3 clusters in the cell membrane depends on the intact actin cytoskeleton. .  Biochim. Biophys. Acta. 1791   388 - 396   2009.1Segregation of GM1 and GM3 clusters in the cell membrane depends on the intact actin cytoskeleton.Reviewed

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  • Ohsaki, Y., Cheng, J., Suzuki, M., Fujita, A., Fujimoto, T. .  Lipid droplets are arrested in the ER membrane by tight binding of lipidated apolipoprotein B-100. .  J. Cell Sci. 121   2415 - 2422   2008.7Lipid droplets are arrested in the ER membrane by tight binding of lipidated apolipoprotein B-100. Reviewed

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  • Kurahashi, M., Niwa, Y., Cheng, J., Ohsaki, Y., Fujita, A., Goto, H., Fujimoto, T., Torihashi, S. .  Platelet-derived growth factor signals play critical roles in differentiation of longitudinal smooth muscle cells in mouse embryonic gut. .  Neurogastroenterol. Motil. 20   521 - 531   2008.5Platelet-derived growth factor signals play critical roles in differentiation of longitudinal smooth muscle cells in mouse embryonic gut.Reviewed

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  • Nakajima, H., Goto, H., Azuma, Y.T., Fujita, A., Takeuchi, T. .  Functional interactions between the SK2 channel and the nicotinic acetylcholine receptor in enteric neurons of the guinea pig ileum. .  J. Neurochem. 103   2428 - 2438   2007.12Functional interactions between the SK2 channel and the nicotinic acetylcholine receptor in enteric neurons of the guinea pig ileum. Reviewed

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  • Fujita, A., Fujimoto, T. .  Quantitative retention of membrane lipids in the freeze-fracture replica. .  Histochem. Cell Biol. 128   385 - 389   2007.9Quantitative retention of membrane lipids in the freeze-fracture replica. Reviewed

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  • Nakajima, H., Amano, W., Fujita, A., Fukuhara, A., Azuma, Y.T., Hata, F., Inui, T., Takeuchi, T. .  The active site cysteine of the proapoptotic protein glyceraldehyde-3-phosphate dehydrogenase is essential in oxidative stress-induced aggregation and cell death. .  J. Biol. Chem. 282   26562 - 26574   2007.9The active site cysteine of the proapoptotic protein glyceraldehyde-3-phosphate dehydrogenase is essential in oxidative stress-induced aggregation and cell death. Reviewed

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  • Fujita, A., Cheng, J., Hirakawa, M., Furukawa, K., Kusunoki, S., Fujimoto, T. .  Gangliosides GM1 and GM3 in the living cell membrane form clusters susceptible to cholesterol depletion and chilling. .  Mol. Biol. Cell. 18   2112 - 2122   2007.6Gangliosides GM1 and GM3 in the living cell membrane form clusters susceptible to cholesterol depletion and chilling. Reviewed

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  • Tsuiki, E., Fujita, A., Ohsaki, Y., Cheng, J., Irie, T., Yoshikawa, K., Senoo, H., Mishima, K., Kitaoka, T., Fujimoto, T. .  All-trans-retinol generated by rhodopsin photobleaching induces rapid recruitment of TIP47 to lipid droplets in the retinal pigment epithelium. Invest. .  Ophthalmol. Vis. Sci. 48   2858 - 2867   2007.6All-trans-retinol generated by rhodopsin photobleaching induces rapid recruitment of TIP47 to lipid droplets in the retinal pigment epithelium. Invest. Reviewed

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  • Cheng, J., Ohsaki, Y., Tauchi-Sato, K., Fujita, A., Fujimoto, T. .  Cholesterol depletion induces autophagy. .  Biochem. Biophys. Res. Comm.351   246 - 252   2006.10Cholesterol depletion induces autophagy. Reviewed

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  • Ohsaki, Y., Cheng, J., Fujita, A., Tokumoto, T., Fujimoto, T. .  Cytoplasmic lipid droplets are sites of convergence of proteasomal and autophagic degradation of apolipoprotein .  B. Mol. Biol. Cell. 17   2674 - 2683   2006.6Cytoplasmic lipid droplets are sites of convergence of proteasomal and autophagic degradation of apolipoprotein Reviewed

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  • Mukai, K., Takeuchi, T., Toyoshima, M., Satoh, Y., Fujita, A., Shintani, N., Hashimoto, H., Baba, A., Hata, F. .  PACAP- and PHI-mediated sustained relaxation in circular muscle of gastric fundus: findings obtained in PACAP knockout mice. .  Regul. Pept. 133   54 - 61   2006.1PACAP- and PHI-mediated sustained relaxation in circular muscle of gastric fundus: findings obtained in PACAP knockout mice. Reviewed

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  • Takeuchi, T., Fujinami, K., Goto, H., Fujita, A., Taketo, M.M., Manabe, T., Matsui, M., Hata, F. .  Roles of M2 and M4 muscarinic receptors in regulating acetylcholine release from myenteric neurons of mouse ileum. .  J. Neurophysiol. 93   2841 - 2848   2005.5Roles of M2 and M4 muscarinic receptors in regulating acetylcholine release from myenteric neurons of mouse ileum. Reviewed

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  • Okishio, Y., Takeuchi, T., Fujita, A., Suenaga, K., Fujinami, K., Munakata, S., Hata, F. .  Examination of the role of cholinergic myenteric neurons with the impairment of neural reflexes in the ileum of c-kit mutant mice. .  J. Smooth Muscle Res.41   49 - 60   2005.2Examination of the role of cholinergic myenteric neurons with the impairment of neural reflexes in the ileum of c-kit mutant mice.Reviewed

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  • Kirkham, M., Fujita, A., Chadda, R., Nixon, S.J., Kurzchalia, T.V., Sharma, D.K., Pagano, R.E., Hancock, J.F., Mayor, S., Parton, R.G. .  Ultrastructural identification of uncoated caveolin-independent early endocytic vehicles. .  J. Cell Biol.168   465 - 476   2005.1Ultrastructural identification of uncoated caveolin-independent early endocytic vehicles. Reviewed

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  • Okishio, Y., Takeuchi, T., Fujita, A., Suenaga, K., Fujinami, K., Munakata, S., Takewaki, T. , Hata, F. .  Ascending contraction and descending relaxation in the distal colon of mice lacking interstitial cells of Cajal. .  J. Smooth Muscle Res. 41   163 - 174   2005.1Ascending contraction and descending relaxation in the distal colon of mice lacking interstitial cells of Cajal. Reviewed

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  • Waseda, K., Takeuchi, T., Ohta, M., Okishio, Y., Fujita, A., Hata, F., Takewaki, T. .  Participation of ATP in nonadrenergic, noncholinergic relaxation of longitudinal muscle of wistar rat jejunum. .  J. Pharmacol. Sci. 97   91 - 100   2005.1 Participation of ATP in nonadrenergic, noncholinergic relaxation of longitudinal muscle of wistar rat jejunum. Reviewed

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  • Fujita, A., Okishio, Y., Fujinami, K., Nakagawa, M., Takeuchi, T., Takewaki, T., Hata, F. .  Role of the interstitial cells distributed in the myenteric plexus in neural reflexes in the mouse ileum. .  J. Pharmacol. Sci.96   483 - 492   2004.12Role of the interstitial cells distributed in the myenteric plexus in neural reflexes in the mouse ileum. Reviewed

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  • Hibino, H., Fujita, A., Iwai, K., Yamada, M., Kurachi, Y. .  Differential assembly of inwardly rectifying K+ channel subunits, Kir4.1 and Kir5.1, in brain astrocytes. .  J. Biol. Chem. 279   44065 - 44073   2004.10Differential assembly of inwardly rectifying K+ channel subunits, Kir4.1 and Kir5.1, in brain astrocytes. Reviewed

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  • Takeuchi, T., Kushida, M., Hirayama, N., Kitayama, M., Fujita, A., Hata, F. .  Mechanisms involved in carbachol-induced Ca2+ sensitization of contractile elements in rat proximal and distal colon. .  Br. J. Pharmacol. 142   657 - 666   2004.6Mechanisms involved in carbachol-induced Ca2+ sensitization of contractile elements in rat proximal and distal colon. Reviewed

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  • Takeuchi. T., Fujinami, K., Fujita, A., Okishio, Y., Takewaki, T., Hata, F. .  Essential role of the interstitial cells of Cajal in nitric oxide-mediated relaxation of longitudinal muscle of the mouse ileum. .  J. Pharmacol. Sci. 95   71 - 80   2004.5Essential role of the interstitial cells of Cajal in nitric oxide-mediated relaxation of longitudinal muscle of the mouse ileum. Reviewed

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  • Takeuchi, T., Yamazaki, Y., Negoro, T., Fujinami, K., Mukai, K., Fujita, A., Takewaki, T., Hata, F. .  Changes in mechanism of PACAP-induced relaxation in longitudinal muscle of the distal colon of Wistar rats with age. .  Regul. Pept. 118   1 - 9   2004.4Changes in mechanism of PACAP-induced relaxation in longitudinal muscle of the distal colon of Wistar rats with age. Reviewed

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  • Takeuchi, T., Kushida, M., Kitayama, M., Fujita, A., Hata, F. .  Origin of ATP for Ca2+-induced contraction in the guinea-pig femoral artery. .  Naunyn. Schmiedebergs Arch. Pharmacol. 369   350 - 357   2004.3 Origin of ATP for Ca2+-induced contraction in the guinea-pig femoral artery. Reviewed

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  • Hibino, H., Higashi-Shingai, K., Fujita, A., Iwai, K., Ishii, M., Kurachi, Y. .  Expression of an inwardly rectifying K+ channel, Kir5.1, in specific types of fibrocytes in the cochlear lateral wall suggests its functional importance in the establishment of endocochlear potential. .  Eur. J. Neurosci. 19   76 - 84   2004.1Expression of an inwardly rectifying K+ channel, Kir5.1, in specific types of fibrocytes in the cochlear lateral wall suggests its functional importance in the establishment of endocochlear potential.Reviewed

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  • 藤田 秋一,置塩 豊,竹内 正吉,畑 文明 .  マウス腸管運動調節におけるカハールの介在細胞の役割 .  日薬理誌123   170 - 178   2004マウス腸管運動調節におけるカハールの介在細胞の役割Reviewed

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  • Kushida, M., Takeuchi, T., Fujita, A., Hata, F. .  Dependence of Ca2+-induced contraction on ATP in alpha-toxin-permeabilized preparations of rat femoral artery. .  J. Pharmacol. Sci. 93   171 - 179   2003.10Dependence of Ca2+-induced contraction on ATP in alpha-toxin-permeabilized preparations of rat femoral artery. Reviewed

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  • Ishii, M., Fujita, A., Iwai, K., Kusaka, S., Higashi, K., Inanobe, A., Hibino, H., Kurachi, Y. .  Differential expression and distribution of Kir5.1 and Kir4.1 inwardly rectifying K+ channels in retina. .  Am. J. Physiol. Cell Physiol.285   C260 - C267   2003.8Differential expression and distribution of Kir5.1 and Kir4.1 inwardly rectifying K+ channels in retina.Reviewed

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  • Takeuchi, T., Kitayama, M., Kushida, M., Fujita, A., Hata, F. .  Essential role of ATP synthesized by creatine kinase in contraction of alpha-toxin permeabilized preparations of tonic type smooth muscle. .  J. Pharmacol. Sci. 92   374 - 380   2003.8Essential role of ATP synthesized by creatine kinase in contraction of alpha-toxin permeabilized preparations of tonic type smooth muscle. Reviewed

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  • Fujita, A., Takeuchi, T., Hanai, J., Hata, F. .  Expression of the small conductance Ca2+-activated K+ channel, SK3, in the olfactory ensheating glial cells of rat brain. .  Cell Tiss. Res.313   187 - 193   2003.8Expression of the small conductance Ca2+-activated K+ channel, SK3, in the olfactory ensheating glial cells of rat brain.Reviewed

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  • Fujita, A., Takeuchi, T., Hanai, J., Hata, F. .  Localization of Ca2+-activated K+ channel, SK3, in fibroblast-like cells forming gap junctions with smooth muscle cells in the mouse small intestine. .  J. Pharmacol. Sci.92   35 - 42   2003.5Localization of Ca2+-activated K+ channel, SK3, in fibroblast-like cells forming gap junctions with smooth muscle cells in the mouse small intestine. Reviewed

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  • Takeuchi, T., Fujita, A., Kushida, M., Hata, F. .  The site where newly synthesized ATP is necessary for tension development in alpha-toxin permeabilized preparations of rat proximal colon. .  J. Pharmacol. Sci.91   277 - 284   2003.4The site where newly synthesized ATP is necessary for tension development in alpha-toxin permeabilized preparations of rat proximal colon. Reviewed

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  • Chachin, M., Yamada, M., Fujita, A., Matsuoka, T., Matsushita, K., Kurachi, Y. .  Nateglinide, a D-phenylalanine derivative lacking either a sulfonylurea or benzamido moiety, specifically inhibits pancreatic β-cell-type KATP channels. .  J. Pharmacol. Exp. Ther. 304, 1025-1032, Mar, 2003.304   1025 - 1032   2003.3Nateglinide, a D-phenylalanine derivative lacking either a sulfonylurea or benzamido moiety, specifically inhibits pancreatic β-cell-type KATP channels. Reviewed

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  • Yamaji, M., Ohta, M., Yamazaki, Y., Fujinami, K., Fujita, A., Takeuchi, T., Hata, F., Takewaki, T. .  A possible role of neurotensin in NANC relaxation of longitudinal muscle of the jejunum and ileum of Wistar rats. .  Br. J. Pharmacol. 137   629 - 636   2002.11A possible role of neurotensin in NANC relaxation of longitudinal muscle of the jejunum and ileum of Wistar rats. Reviewed

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  • Mukai, K., Satoh, Y., Fujita, A., Takeuchi, T., Shintani, N., Hashimoto, H., Baba, A., Hata, F. .  PAC1 receptor-mediated relaxation of longitudinal muscle of the mouse proximal colon. .  Jpn. J. Pharmacol. 90   97 - 100   2002.9PAC1 receptor-mediated relaxation of longitudinal muscle of the mouse proximal colon.Reviewed

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  • Inanobe, A., Fujita, A., Ito, M., Tomoike, H., Inageda, K., Kurachi, Y. .  Inward rectifier K+ channel Kir2.3 is localized at the postsynaptic membrane of excitatory synapses. .  Am. J. Physiol. Cell Physiol. 282   C1396 - C1403   2002.6Inward rectifier K+ channel Kir2.3 is localized at the postsynaptic membrane of excitatory synapses. Reviewed

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  • Fujita, A., Horio, Y., Higashi, K., Mouri, T., Hata, F., Takeguchi, N., Kurachi, Y. .  Specific localization of an inwardly rectifying K+ channel, Kir4.1, at the apical membrane of rat gastric parietal cells; its possible involvement in K+ recycling for the H+/K+-pump. .  J. Physiol. (Lond) 540   85 - 92   2002.4Specific localization of an inwardly rectifying K+ channel, Kir4.1, at the apical membrane of rat gastric parietal cells; its possible involvement in K+ recycling for the H+/K+-pump.Reviewed

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  • Tanemoto, M., Fujita, A., Higashi, K., Kurachi, Y. .  PSD-95 mediates formation of a functional homomeric Kir5.1 channel in the brain. .  Neuron34   387 - 397   2002.4PSD-95 mediates formation of a functional homomeric Kir5.1 channel in the brain.Reviewed

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  • Matsushita, K., Kinoshita, K., Matsuoka, T., Fujita, A., Fujikado, T., Tano, Y., Nakamura, H., Kurachi, Y. .  Intramolecular interaction of SUR2 subtypes for intracellular ADP-Induced differential control of KATP channels. .  Circ. Res.90   554 - 561   2002.3Intramolecular interaction of SUR2 subtypes for intracellular ADP-Induced differential control of KATP channels. Reviewed

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  • Takeuchi, T., Sumiyoshi, M., Kitayama, M., Hirayama, N., Fujita, A., Hata, F. .  Origin of Ca2+ necessary for carbachol-induced contraction in longitudinal muscle of the proximal colon of rats. .  Jpn. J. Pharmacol.87   309 - 317   2001.12Origin of Ca2+ necessary for carbachol-induced contraction in longitudinal muscle of the proximal colon of rats. Reviewed

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  • Fujita, A., Takeuchi, T., Saitoh, N., Hanai, J., Hata, F. .  Expression of Ca2+-activated K+ channels, SK3, in the interstitial cells of Cajal in the gastrointestinal tract. .  Am. J. Physiol. Cell Physiol. 281   C1727 - C1733   2001.11Expression of Ca2+-activated K+ channels, SK3, in the interstitial cells of Cajal in the gastrointestinal tract. Reviewed

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  • Fujita, A., Hattori,Y., Takeuchi, T., Kamata, Y., Hata, F. .  NGF induces neurite outgrowth via a decrease in phosphorylation of myosin light chain in PC12 cells. .  Neuroreport12   3599 - 3602   2001.11NGF induces neurite outgrowth via a decrease in phosphorylation of myosin light chain in PC12 cells.Reviewed

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  • Satoh, Y., Uchida, M., Fujita, A., Nishio, H., Takeuchi, T., Hata, F. .  Possible role of orexin A in NANC inhibitory response of longitudinal muscle of the mouse small intestine. .  Eur. J. Pharmacol. 428   337 - 342   2001.10Possible role of orexin A in NANC inhibitory response of longitudinal muscle of the mouse small intestine. Reviewed

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  • Higashi, K., Fujita, A., Inanobe, A., Tanemoto, M., Doi, K., Kubo, T., Kurachi, Y. .  An inwardly rectifying K+ channel, Kir4.1, expressed in astrocytes surrounds synapses and blood vessels in brain. .  Am. J. Physiol. Cell Physiol.281   C922 - C931   2001.9An inwardly rectifying K+ channel, Kir4.1, expressed in astrocytes surrounds synapses and blood vessels in brain. Reviewed

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  • Takeuchi, T., Fujita, A., Roumy, M., Zajac, J-M., Hata, F. .  Effect of 1Dme, a neuropeptide FF analog, on acetylcholine release from myenteric plexus of guinea pig ileum. .  Jpn. J. Pharmacol. ( 86 ) 417 - 422   2001.8Effect of 1Dme, a neuropeptide FF analog, on acetylcholine release from myenteric plexus of guinea pig ileum. Reviewed

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  • Takeuchi, T., Sugimoto, K., Morimoto, H., Fujita, A., Hata, F. .  Mechanism of a nitric oxide donor, NOR1-induced relaxation in longitudinal muscle of rat proximal colon. .  Jpn. J. Pharmacol. 86   390 - 398   2001.8Mechanism of a nitric oxide donor, NOR1-induced relaxation in longitudinal muscle of rat proximal colon.Reviewed

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  • Kusaka, S., Inanobe, A., Fujita, A., Makino, Y., Tanemoto, M., Matsushita, K., Tano, K., Kurachi, Y. .  Functional Kir7.1 channels localized at the root of apical processes in rat retinal pigment epithelium. .  J. Physiol. (Lond)531   27 - 36   2001.2Functional Kir7.1 channels localized at the root of apical processes in rat retinal pigment epithelium. Reviewed

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  • Matsuoka, T., Matsushita, K., Katayama, Y., Fujita, A., Inageda, K., Tanemoto, M., Inanobe, A., Yamashita, S., Matsuzawa, Y., Kurachi, Y. .  C-terminal tails of sulfonylurea receptors control ADP-induced activation and diazoxide modulation of ATP-sensitive K+ channels. .  Circ. Res. 87   873 - 880   2000.11C-terminal tails of sulfonylurea receptors control ADP-induced activation and diazoxide modulation of ATP-sensitive K+ channels.Reviewed

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  • Takeuchi, T., Negoro, T., Yamaji, M., Yamazaki, Y., Fujita, A., Nishio, H., Takewaki, T., Takatsuji, K., Hata, F. .  Increase in participation of vasoactive intestinal peptide in relaxation of the distal colon of wistar rats with age. .  Br. J. Pharmacol. 131   942 - 948   2000.11Increase in participation of vasoactive intestinal peptide in relaxation of the distal colon of wistar rats with age.Reviewed

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  • Katayama, Y., Fujita, A., Ohe, T., Findlay, I., Kurachi, Y. .  Inhibitory effects of vesnarinone on cloned cardiac delayed rectifier K+ channels expressed in a mammalian cell line. .  J. Pharmacol. Exp. Ther. 294   339 - 346   2000.7Inhibitory effects of vesnarinone on cloned cardiac delayed rectifier K+ channels expressed in a mammalian cell line. Reviewed

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  • Hibino, H., Inanobe, A., Tanemoto, M., Fujita, A., Doi, K., Kubo, T., Hata, Y., Takai, Y., Kurachi, Y. .  Anchoring proteins confer G protein sensitivity to an inward-rectifier K+ channel through the GK domain. .  EMBO J. 19   78 - 83   2000.1Anchoring proteins confer G protein sensitivity to an inward-rectifier K+ channel through the GK domain. Reviewed

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  • Inanobe, A., Horio, Y., Fujita, A., Tanemoto, M., Hibino, H., Inageda, K., Kurachi, Y. .  Molecular cloning and characterization of a novel splicing variant of the Kir3.2 subunit predominantly expressed in mouse testis. .  J. Physiol. (Lond) 521   19 - 30   1999.11Molecular cloning and characterization of a novel splicing variant of the Kir3.2 subunit predominantly expressed in mouse testis. Reviewed

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  • Fujita, A., Horio, Y., Nielsen, S., Nagelhus, E.A., Hata, F., Ottersen, O.P., Kurachi, Y. .  High-resolution immunogold cytochemistry indicates that AQP4 is concentrated along the basal membrane of parietal cell in rat stomach. .  FEBS Let. 459   305 - 309   1999.10High-resolution immunogold cytochemistry indicates that AQP4 is concentrated along the basal membrane of parietal cell in rat stomach. Reviewed

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  • Kusaka, S., Horio, Y., Fujita, A., Matsushita, K., Inanobe, A., Gotow, T., Uchiyama, Y., Tano, Y., Kurachi, Y. .  Expression and polarized distribution of an inwardly rectifying K+ channel, Kir4.1, in rat retinal pigment epithelium. .  J. Physiol. (Lond) 520   373 - 381   1999.10Expression and polarized distribution of an inwardly rectifying K+ channel, Kir4.1, in rat retinal pigment epithelium. Reviewed

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  • Hibino, H., Horio, Y., Fujita, A., Inanobe, A., Doi, K., Gotow, T., Uchiyama, Y., Kubo, T., Kurachi, Y. .  Expression of an inwardly rectifying K+ channel, Kir4.1, in the satelite cells of rat cochlear ganglia. .  Am. J. Physiol. Cell Physiol.277   C638 - C644   1999.10Expression of an inwardly rectifying K+ channel, Kir4.1, in the satelite cells of rat cochlear ganglia. Reviewed

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  • Repunte, V.P., Nakamura, H., Fujita, A., Horio, Y., Findlay, I., Pott, L., Kurachi, Y. .  Extracellular links in Kir subunits control the unitary conductance of SUR/Kir6.0 ion channels. .  EMBO J.18   3317 - 3324   1999.6Extracellular links in Kir subunits control the unitary conductance of SUR/Kir6.0 ion channels. Reviewed

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  • Nagelhus, E.A., Horio, Y., Inanobe, A., Fujita, A., Haug, F-M., Nielsen, S., Kurachi, Y., Ottersen, O.P. .  Immunogold evidence suggests that coupling of K+ siphoning and water transport in rat retinal Muller cells is mediated by a coenrichment of Kir4.1 and AQP4 in specific membrane domains. .  Glia26   47 - 54   1999.3Immunogold evidence suggests that coupling of K+ siphoning and water transport in rat retinal Muller cells is mediated by a coenrichment of Kir4.1 and AQP4 in specific membrane domains. Reviewed

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  • Murahashi, T., Fujita, A., Kitazawa, T. .  Ca2+-induced Ca2+ desensitization of myosin light chain phosphrylation and contraction in phasic smooth muscle. .  Mol. Cell. Biochem. 190   91 - 98   1999.1Ca2+-induced Ca2+ desensitization of myosin light chain phosphrylation and contraction in phasic smooth muscle. Reviewed

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  • Kim, D., Fujita, A., Horio, Y., Kurachi, Y. .  Cloning and functional expression of a novel cardiac two-pore background K+ channel (cTBAK-1). .  Circ. Res. 82   513 - 518   1998.3Cloning and functional expression of a novel cardiac two-pore background K+ channel (cTBAK-1). Reviewed

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  • Fujita, A., Takeuchi, T., Ishii,T., Nishio, H., Hata, F. .  Cooperation of ATP and norepinephrine in inducing contraction in guinea pig vas deferens is not associated with change in intracellular Ca2+ level. .  Jpn. J. Pharmacol. 70   273 - 276   1996.3Cooperation of ATP and norepinephrine in inducing contraction in guinea pig vas deferens is not associated with change in intracellular Ca2+ level. Reviewed

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  • Takeuchi, T., Fujita, A., Ishii, T., Nishio, H., Hata, F. .  Necessity of newly synthesized ATP by creatine kinase for contraction permeabilized longitudinal muscle preparations of rat proximal colon. .  J. Pharmacol. Exper. Ther.275   429 - 434   1995.10Necessity of newly synthesized ATP by creatine kinase for contraction permeabilized longitudinal muscle preparations of rat proximal colon. Reviewed

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  • Fujita, A., Takeuchi, T., Nakajima, H., Nishio, H., Hata, F. .  Involvement of heterotrimeric GTP-binding protein and rho protein, but not protein kinase C, in agonist-induced Ca2+ sensitization of skinned muscle of guinea pig vas deferens. .  J. Pharmacol. Exper. Ther.274   555 - 561   1995.7Involvement of heterotrimeric GTP-binding protein and rho protein, but not protein kinase C, in agonist-induced Ca2+ sensitization of skinned muscle of guinea pig vas deferens. Reviewed

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  • Nagao, T., Fujita, A., Takeuchi, T., Hata, F. .  Changes in neuronal contribution to contractile responses of vas deferens of young and adult guinea pigs. .  J. Auton. Nerv. Syst.50   87 - 92   1994.12Changes in neuronal contribution to contractile responses of vas deferens of young and adult guinea pigs.Reviewed

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  • Maehara, T., Fujita, A., Suthamnatpong, N., Takeuchi, T., Hata, F. .  Differences in relaxant effects of cyclic GMP on skinned muscle preparations from the proximal and distal colon of rats. .  Eur. J. Pharmacol.261   163 - 170   1994.8Differences in relaxant effects of cyclic GMP on skinned muscle preparations from the proximal and distal colon of rats.Reviewed

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  • Fujita, A., Takeuchi, T., Hata, F., Yagasaki, O. .  Role of PGE2 in neurotransmission from pre- to post-ganglionic hypogastric nerves of guinea pigs. .  Jpn. J. Pharmacol.58   61 - 66   1992.1Role of PGE2 in neurotransmission from pre- to post-ganglionic hypogastric nerves of guinea pigs.Reviewed

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Books

  • Veterinary Biochemistry

    Akikazu Fujita( Role: Contributor ,  Lipid structure and biomembrane)

    2016.4 

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    Total pages:13   Language:Japanese Book type:Textbook, survey, introduction

  • ナノメートルレベルでの膜脂質局在解析

    藤田 秋一,藤本 豊士( Role: Joint author)

    「分子から個体へと進化する脂質生物学」, 実験医学,羊土社,東京  2010 

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    Language:Japanese Book type:Scholarly book

  • 脂質の組織化学

    藤田 秋一, 大崎 雄樹, 藤本 豊士( Role: Joint author)

    「組織細胞化学2009」, 日本組織細胞化学会  2009 

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    Language:Japanese Book type:Scholarly book

  • 凍結レプリカ標識法による膜脂質の分布解析

    藤田 秋一, 藤本 豊士( Role: Joint author)

    電子顕微鏡で読み解く生命のなぞ, 藤本豊士, 山本章嗣(監修), 秀潤社  2008 

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  • 蛋白質と脂質を見るための電子顕微鏡法

    藤田 秋一, 藤本 豊士( Role: Joint author)

    「組織細胞化学2008」, 日本組織細胞化学会  2008 

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  • 免疫電顕法

    藤本 豊士,藤田 秋一( Role: Joint author)

    「組織細胞化学2006」,日本組織細胞化学会編,学際企画,京都  2006 

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  • SDS処理凍結割断レプリカ標識法(藤本法)

    藤田 秋一,藤本 豊士( Role: Joint author)

    「染色・バイオイメージング実験ハンドブック」,高田邦昭,斉藤尚亮,川上速人 編, 羊土社,東京  2006 

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  • 超薄切片を用いた免疫電顕法

    藤田 秋一,藤本 豊士( Role: Joint author)

    「組織細胞化学2005」,日本組織細胞化学会編,学際企画,京都  2005 

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  • カリウムイオン

    倉智 嘉久,藤田 秋一( Role: Joint author)

    「NEW薬理学」田中千賀子,加藤隆一 編,南光堂,東京  2001 

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  • チャネル遺伝子発現システムとその解析法

    藤田 秋一,藤田 聡,倉智 嘉久( Role: Joint author)

    「新パッチクランプ実験技術法」,岡田泰伸 編,吉岡書店,京都  2001 

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  • 膜電流系の受容体機構

    藤田 秋一,倉智 嘉久( Role: Joint author)

    「新不整脈」,井上博 編,南光堂,東京  2001 

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  • Regulation of Ion Channels by Membrane Proteins

    Fujita, A., Hibino, H. and Kurachi, Y.( Role: Joint author)

    THE CELL PHYSIOLOGY SOURCE BOOK, Third Edition, edited by Sperelakis, N. ,Academic Press, San Diego  2000 

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  • 膜の構造と透過性

    倉智 嘉久,藤田 秋一( Role: Joint author)

    『分子・細胞の生物学II-細胞』石川春律,高井義美,月田承一郎 編,「現代医学の基礎」,岩波書店,東京  2000 

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  • The Inward Rectifying K+ channels in heart

    Tanemoto, M., Fujita, A. and Kurachi, Y. ( Role: Joint author)

    PHYSIOLOGY AND PATHOLOGY OF THE HEART, Fourth Edition, edited by Terzic, A. And Kurachi, Y., Kluwer Academic Publishers, Boston  2000 

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  • Inward rectifying and ATP-sensitive K+ channels in the ventricular myocardium. Potassium channels in cardiovascular biology, edited by Archer, S.L. and Rush, N.J.

    Fujita, A. and Kurachi, Y.( Role: Joint author)

    Plenum Press, New York  1999 

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  • 神経細胞イオンチャネル・受容体と細胞内分布

    倉智 嘉久、藤田 秋一( Role: Joint author)

    「神経精神疾患理解のための病態生理」中村重信 編,神経精神疾患state of arts,医学のあゆみ,医歯薬出版社,東京  1999 

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MISC

  • 膜脂質分子をナノレベルで可視化する

    藤田 秋一,藤本 豊士

    顕微鏡,日本顕微鏡学会   44   206 - 209   2009

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  • Biogenesis of cytoplasmic lipid droplets: from the lipid ester globule in the membrane to the visible structure. Reviewed

    Ohsaki Y, Cheng J, Suzuki M, Shinohara Y, Fujita A, Fujimoto T.

    Biochim. Biophys. Acta.   1791   399 - 407   2009

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  • 分子の局在を見る:凍結レプリカ標識法による膜脂質の分布解析

    藤田 秋一,藤本 豊士

    細胞工学   26 ( 3 )   314 - 319   2007

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  • 電子顕微鏡を用いた細胞内取込み現象の可視化

    藤田 秋一

    顕微鏡   41   57 - 60   2006

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  • カベオラ,ラフトと細胞内輸送

    藤本 豊士,藤田 秋一

    The Lipid   17   17 - 24   2006

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  • エンドサイトーシスとその微細構造

    藤田 秋一

    細胞   38   36 - 39   2006

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  • 膜4回貫通型Two-pore domain K+ チャネル

    藤田 秋一

    「イオンチャネルの最前線」、倉智嘉久 編,医学のあゆみ   201   1043 - 1048   2002

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  • チャネル・トランスポートのstructure-functionと薬物設計

    藤田 秋一,松岡 哲郎,松下 賢治,倉智 嘉久

    日薬理誌   118   177 - 186   2001

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  • チャネル遺伝子発現システムとその解析法

    藤田 秋一,藤田 聡,倉智 嘉久

    「新パッチクランプ実験技術法」,岡田泰伸 編,吉岡書店、京都   260 - 272   2001

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  • SAP family proteins. Reviewed

    Fujita, A. and Kurachi, Y.

    Biochem. Biophy. Res. Comm.   269   1 - 6   2000

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  • イオンチャネルの概念と最近の動向

    倉智 嘉久,藤田 秋一

    「チャネロパチー」,岡本幸市 編,CLINICAL NEUROSCIENCE   18   256 - 261   2000

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  • K+チャネル作用薬

    倉智 嘉久,藤田 秋一

    「最先端創薬」,長尾拓ほか編,蛋白質核酸酵素   45   1023 - 1031   2000

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  • Molecular Aspects of KATP channels in the Cardiovascular System and K+ channel openers. Basic and Therapeutic Relevance of K+ channel Regulation, edited by A.C. Sartorelli, W.C. Bowman, M.J. Curtis and S.G. Amara, Reviewed

    Fujita, A. and Kurachi, Y.

    Pharmacol. Therapeut   85   39 - 53   2000

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  • ATP感受性カリウムチャネル

    藤田 秋一,倉智嘉久

    脳の科学   20   101 - 103   1998

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  • イオンチャネルカップル受容体

    藤田 秋一,倉智嘉久

    内分泌・糖尿病科   7   301 - 307   1998

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Presentations

  • Localization of glycosphingolipid GM3 in Plasmodium falciparum malaria parasite  

    2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Poster presentation  

    Country:Japan  

  • 黒川夕奈、小西里可子、福田佳代子、正谷達謄、藤田秋一   急速凍結・凍結割断レプリカ標識(QF-FRL)法を用いた酵母細胞膜におけるPI(4,5)P2の局在解析による、PI(4,5)P2生成の制御機構の解明   Invited

    第94回 日本生化学大会  2021.11 

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    Event date: 2021.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Web開催  

  • 山口優希、黒川夕奈、向達汐美、富奥甘奈、藤田秋一   酵母細胞でのautophagosome膜およびautophagic body膜における膜脂質の微細分布解析  

    第94回 日本生化学大会  2021.11 

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    Event date: 2021.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:Web開催  

  • 向達汐美、正谷達謄、小西里可子、黒川夕奈、山口優希、富奥甘奈、福田佳代子、ハキミ ハッサン、麻田正仁、金子 修、藤田秋一   ヒトmalaria原虫Plasmodium falciparumの細胞膜ではラフト主成分GM3は内葉と外葉の両方に局在する   Invited

    第94回 日本生化学大会  2021.11 

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    Event date: 2021.11

    Language:Japanese   Presentation type:Poster presentation  

    Venue:Web開催  

  • Selective increment of phosphatidylserine in the autophagic body membrane in the yeast vacuole  

    2022.11 

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    Event date: 2022.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Country:Japan  

  • 藤田秋一,程晶磊,藤本豊士   免疫電顕法を用いたホスホイノシタイドの微細局在  

    日本平滑筋学会総会  日本平滑筋学会総会

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    Event date: 2013.8

    Language:Japanese  

    Venue:旭川  

    国内学会

  • 山口 優希, 黒川 夕奈, 向達 汐美, 福田 佳代子, 正谷 達謄, 藤田 秋一   酵母細胞でのautophagosome膜およびautophagic body膜における膜脂質の微細分布解析  

    日本生化学会大会プログラム・講演要旨集  2021.11  (公社)日本生化学会

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  • 黒川 夕奈, 小西 里可子, 富奥 甘奈, 藤田 秋一   急速凍結・凍結割断レプリカ標識(QF-FRL)法を用いた酵母細胞膜におけるPI(4,5)P2の局在解析による、PI(4、5)P2生成の制御機構の解明  

    日本生化学会大会プログラム・講演要旨集  2021.11  (公社)日本生化学会

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  • 向達 汐美, 正谷 達謄, 小西 里可子, 黒川 夕奈, 山口 優希, 富奥 甘奈, 福田 佳代子, ハキミ・ハッサン , 麻田 正仁, 金子 修, 藤田 秋一   ヒトmalaria原虫Plasmodium falciparumの細胞膜ではラフト主成分の糖脂質GM3は内葉と外葉の両方に局在する  

    日本生化学会大会プログラム・講演要旨集  2021.11  (公社)日本生化学会

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  • 向達 汐美, 正谷 達謄, 小西 里可子, 黒川 夕奈, 山口 優希, 富奥 甘奈, 福田 佳代子, ハキミ・ハッサン , 麻田 正仁, 金子 修, 藤田 秋一   ヒトmalaria原虫Plasmodium falciparumでのラフト主成分の糖脂質GM3の局在  

    日本生化学会大会プログラム・講演要旨集  2022.11  (公社)日本生化学会

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    Language:Japanese  

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