マウス精巣の精細管(部分).
DNA を緑に、RNAを赤に標識.S: セルトリ細胞、G: 精祖細胞、P: パキテン期一次精母細胞、T: 精子細胞.
現在、以下のようなテーマに沿って研究が行われています。
糖尿病における O-GlcNAc 及び O-GlcNAc 転移酵素の機能解析
細胞外マトリックスの組織細胞化学的検討
皮膚の発生における Homeobox 遺伝子の機能解析
精細管上皮周期、精上皮の波の形成機構
下垂体前葉ホルモン分泌細胞の性質とその分泌調節
糖質生合成関連分子の組織及び細胞内分布の検討
各研究テーマの詳細は教室ホームページを参照してください。
近年の主な業績
Ogawa Y, Miura Y, Ikemoto M, Ohnishi A, Goto Y, Aoki K, Motokurumada Y, Akimoto Y, Endo T, Tsujimoto M, Yanoshita R: Distinguishing two distinct types of salivary extracellular vesicles: a potential tool for understanding their pathophysiological roles. Front Mol Biosci Sec Cellular Biochemistry 11: 2024. DOI: 10.3389/fmolb.2024.1278955
Cacheux J, Bancaud A, Alcaide D, Suehiro J, Akimoto Y, Sakurai H, Matsunaga Y: Deformation, but not convection, induced by intraluminal pressure enhances transport through microvessels. iScience 26(7): 107141, 2023.
Wada H, Miyoshi J, Kuronuma S, Nishinarita Y, Oguri N, Hibi N, Takeuchi O, Akimoto Y, Lee STM, Matsuura M, Kobayashi T, Hibi T, Hisamatsu T: Alterations of intestinal microbiota by 5-aminosalicylic acid exert a protective effect on colitis in a murine inflammatory bowel disease model. Sci Rep 13(1): 12241, 2023.
Takada M, Fukuhara D, Takiura T, Nishibori Y, Kotani M, Kiuchi Z, Kudo A, Beltcheva O, Ito-Nitta N, Nitta KR, Kimura T, Suehiro J, Katada T, Takematsu H, Yan K: Involvement of GLCCI1 in mouse spermatogenesis. FASEB J. 37(1). e22680. 2023.
Uchida A, Imaimatsu K, Suzuki H, Han X, Ushioda H, Uemura M, Imura-Kishi K, Hiramatsu R, Takase HM, Hirate Y, Ogura A, Kanai-Azuma M, Kudo A, Kanai Y: SOX17-positive rete testis epithelium is required for Sertoli valve formation and normal spermiogenesis in the male mouse. Nat Commun. 13(1). 7860. 2022.
Zachara NE, Akimoto Y, Boyce M, Hart GW: Chapter 19. The O-GlcNAc Modification. In: Essentials of Glycobiology. 4th edition. Varki A et al. editors. Cold Spring Harbor (NY). Cold Spring Harbor Laboratory Press. 2022.
Ogawa Y, Akimoto Y, Ikemoto M, Goto Y, Ishikawa A, Ohta S, Takase Y, Kawakami H, Tsujimoto M, Yanoshita R: Stability of human salivary extracellular vesicles containing dipeptidyl peptidase IV under simulated gastrointestinal tract conditions. Biochem Biophys Rep. 27: 101034. 2021.
Akimoto Y, Miura Y, Endo T, Hart GW: 5.08: O-GlcNAcylation and diabetes. In: Comprehensive Glycoscience. 2nd ed. Barchi J editor. Volume 5: Glycans in Development, Health and Disease. Elsevier. 2021. 133-148.
Pecori F, Akimoto Y, Hanamatsu H, Furukawa J, Shinohara Y, Ikehara Y, Nishihara S: Mucin-type O-glycosylation controls pluripotency in mouse embryonic stem cells via Wnt receptor endocytosis. J Cell Sci. 133(20): jcs245845. 2020.
Akimoto Y, Yan K, Miura Y, Tsumoto H, Toda T, Fukutomi T, Sugahara D, Kudo A, Arai T, Chiba Y, Kaname S, Hart GW, Endo T, Kawakami H: O-GlcNAcylation and phosphorylation of β-actin Ser199 in diabetic nephropathy. Am J Physiol Renal Physiol 317(5): F1359-F1374. 2019.
Itoh K, Akimoto Y, Kondo S, Ichimiya T, Aoki K, Tiemeyer M, Nishihara S: Glucuronylated core 1 glycans are required for precise localization of neuromuscular junctions and normal formation of basement membranes on Drosophila muscles. Dev Biol 436(2): 108-124. 2018.
Akimoto Y, Ikehara S, Yamaguchi T, Kim J, Kawakami H, Shimizu N, Hori M, Sakakita H, Ikehara Y: Chapter 6.4. Molecular morphological analysis of the effect of plasma irradiation on cells, tissue. In: Plasma Medical Science. 1st ed. Toyokuni S, et al., editors. Tokyo, Academic Press. 336-345. 2018.
Yoshimura T, Watanabe T, Kuramochi-Miyagawa S, Takemoto N, Shiromoto Y, Kudo A, Kanai-Azuma M, Tashiro F, Miyazaki S, Katanaya A, Chuma S, Miyazaki JI: Mouse GTSF1 is an essential factor for secondary piRNA biogenesis. EMBO Rep 19(4): e42054. 2018.
Sugahara D, Kobayashi Y, Akimoto Y, Kawakami H: Mouse intestinal niche cells express a distinct α1,2-fucosylated glycan recognized by a lectin from Burkholderia cenocepacia. Glycobiology 27(3): 246-253. 2017.