Modifications of functional and physico-chemical properties of rat ileal plasma membranes

G. Gaggiotti, M. Taus, L. Spazzafumo, M. Tesei, R. La Rocca, L. Mazzanti

Research output: Contribution to journalArticle

Abstract

A membrane fraction enriched with plasma membranes was isolated from rat ileal brush-border cells before and after five-day starvation of the animals. Cholesterol/phospholipid ratio of the standard cell membranes decreased highly significantly (0.42 to 0.18), as did the microviscosity of the membranes determined by polarization of fluorescence (0.187 to 0.142). Concomitantly, the specific activity of Na,K-ATPase in the basolateral membranes significantly increased (59 to 83 μmol ATP hydrolyzed per mg protein per min).

Original languageEnglish
Pages (from-to)851-854
Number of pages4
JournalBiochemistry and Molecular Biology International
Volume35
Issue number4
Publication statusPublished - 1995

ASJC Scopus subject areas

  • Biochemistry
  • Genetics
  • Molecular Biology

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