Activation of Phorbol Ester Responsive Form of Protein Kinase Cζ in Association with Ca2+-Induced Differentiation of Primary Cultured Mouse Epidermal Cells

DOI DOI Web Site PubMed 参考文献15件 オープンアクセス

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タイトル別名
  • Activation of Phorbol Ester Responsive Form of Protein Kinase C.ZETA. in Association with Ca2+-Induced Differentiation of Primary Cultured Mouse Epidermal Cells.
  • Activation of Phorbol Ester Responsive

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説明

In primary cultured mouse epidermal cells, protein kinase C (PKC) ζconsists of multiple forms: a low salt-eluted PKCζ (1-PKCζ, 79 and 85 kDa) and a high salt-eluted PKCC (h-PKCζ, 79 and 85 kDa) by anion-exchange column chromatography (K. Nishikawa et al., Cell. Signal. 7, 491-504, 1995). In the present study, PKC isozyme-specific responses during terminal differentiation of epidermal cells, which were induced by the increase of Ca2+ -concentration in culture medium, were examined. After 24 hr-treatment with 1.8 mM Ca2+, 79-kDa 1-PKCζ in the particulate fraction was apparently shifted to the 85-kDa form. The phosphatidylserine-dependent kinase activity of this 1-PKCζ was increased in association with the shift. These results suggest the pivotal role of 1-PKCζ in the particulate fraction in the Ca2+ -induced epidermal cell differentiation processes.

収録刊行物

  • Jpn.J.Pharmacol.

    Jpn.J.Pharmacol. 73 (2), 171-174, 1997

    公益社団法人 日本薬理学会

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