Co-transfection of EYFP-GH and ECFP-rab3B in an experimental pituitary GH3 cell: A role of rab3B in secretion of GH through porosome

Akira Matsuno, Johbu Itoh, Akiko Mizutani, Susumu Takekoshi, R. Yoshiyuki Osamura, Hiroko Okinaga, Fuyuaki Ide, Satoru Miyawaki, Takeshi Uno, Shuichiro Asano, Junichi Tanaka, Hiroshi Nakaguchi, Mitsuyoshi Sasaki, Mineko Murakami

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Recently, in order to elucidate the role of rab3B in porosome, we have observed the incorporation of rab3B in the secretion of GH through porosome under confocal laser scanning microscopy (CLSM). Transfected cells with GH-EYFP fusion protein and rab3B-ECFP fusion protein were observed under CLSM, which showed the colocalization of EYFP-GH and ECFP-rab3B in the budding configuration of secretory process. These structural and functional images of rab3B imply the incorporation of rab3B in the secretion of GH through porosome.

Original languageEnglish
Pages (from-to)419-421
Number of pages3
JournalFolia Histochemica et Cytobiologica
Volume46
Issue number4
DOIs
StatePublished - 2008
Externally publishedYes

Keywords

  • ECFP
  • EYFP
  • GH
  • Porosome
  • rab3B

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