Activator of ca2 + -transport in the Lens

Shuzo Iwata, Eiichi Shirasawa, Makoto Takehana

研究成果: Article査読

16 被引用数 (Scopus)

抄録

It has been hypothesized that an activator of Ca-ATPase co-exists with Ca-ATPase in the mouse lens. Though the Ca-ATPase activity could be measured from mouse lens homogenate, its activity could not be determined in individual soluble and insoluble fractions. The Ca-ATPase activity, however, could be detected when an activator of this enzyme such as calmodulin was added to the lens insoluble fraction. This enzyme in the lens insoluble fraction was activated also by addition of soluble fraction. The Ca-ATPase in homogenate was inhibited by chlorpromazine and N-(6-amino-hexyl)-5-chloro-l-naphthalenesulfonamide (W-7), which are calmodulin antagonists. When the mouse lens was incubated with W-7, the degree of the lens opacification increased in relation to W-7 concentration.

本文言語English
ページ(範囲)717-722
ページ数6
ジャーナルCurrent Eye Research
3
5
DOI
出版ステータスPublished - 1984
外部発表はい

ASJC Scopus subject areas

  • 眼科学
  • 感覚系
  • 細胞および分子神経科学

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