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J Cell Biochem. 2009 Mar 1;106(4):659-65. doi: 10.1002/jcb.22047.

Unusual sterolic mixture, and 24-isopropylcholesterol, from the sponge Ciocalypta sp. reduce cholesterol uptake and basolateral secretion in Caco-2 cells.

Author information

1
Faculté de Pharmacie, Laboratoire de Biochimie pharmaceutique, Mer-Molécules-Santé, EA 2160, Université de Nantes, Nantes, France.

Abstract

An unusual sterolic mixture (82.3% of 24-isopropylated sterols) and its major component, 24-isopropylcholesterol, isolated from a marine sponge, Ciocalypta sp. (Halichondriidae), reduce cholesterol uptake, basolateral secretion and ACAT-2 mRNA expression and increase the expression of ABCA1 mRNA in Caco-2 cells. The decreases of cholesterol uptake and secretion induced by 24-isopropylcholesterol alone were more than that of both the sterolic mixture and beta-sitosterol. These data add a new sterol, 24-isopropylcholesterol, to sterols that may reduce intestinal cholesterol absorption.

PMID:
19160412
DOI:
10.1002/jcb.22047
[Indexed for MEDLINE]

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