Vamp2 marks quiescent satellite cells and myotubes, but not activated myoblasts

Yuki Tajika, Maiko Takahashi, Mizuki Hino, Tohru Murakami, Hiroshi Yorifuji

研究成果: Article査読

12 被引用数 (Scopus)

抄録

We examined the expression and intrallular localization of vesicle-associated membrane protein 2 (VAMP2) during the differentiation of skeletal muscle cells by immunofluorescence microscopy. In isolated single myofibers, VAMP2 was expressed in quiescent satellite cells, downregulated in proliferating myoblastic cells, and re-expressed with differentiation. In the myoblastic cell line C2C12, VAMP2 was expressed at a low level in the proliferating stage, and then increased after differentiation into myotubes. Based on these results, we propose that VAMP2 can be used as a molecular marker for both quiescent satellite cells and myotubes, but not for proliferating myoblasts. We also found the partial colocalization of VAMP2 with transferrin- or Rab11-labeled vesicles in myotubes, suggesting a role of VAMP2 in the trafficking of recycling endosomes. 2010 The Japan Society of Histochemistry and Cytochemistry.

本文言語English
ページ(範囲)107-114
ページ数8
ジャーナルACTA HISTOCHEMICA ET CYTOCHEMICA
43
4
DOI
出版ステータスPublished - 2010
外部発表はい

ASJC Scopus subject areas

  • 病理学および法医学
  • 生化学
  • 生理学
  • 組織学
  • 細胞生物学

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