Effect of drugs, peptide hormones and lipogenic precursors on the relative incorporation of [3H]H2O and carbon into hepatic cholesterol.

Abstract:

:Measurement of the weight of desmosterol produced during its biosynthesis in the presence of tritiated water and triparanol has permitted a direct determination of the relative flux of carbon and tritium (the H/C ratio) into sterol in hepatocytes. The H/C ratio increased with time of incubation irrespective of the nutritional state of the donor animals. This increase was more marked in hepatocytes from starved animals. Pyruvate and lactate increased, and glucagon decreased, the sterol H/C ratio. Addition of pyruvate to incubations containing glucagon resulted in a 32-67% increase in the H/C ratio depending upon nutritional status. Insulin had no effect whilst (-)-hydroxycitrate decreased the ratio by 25%.

journal_name

FEBS Lett

journal_title

FEBS letters

authors

Björnsson OG,Pullinger CR,Gibbons GF

doi

10.1016/0014-5793(85)81264-3

subject

Has Abstract

pub_date

1985-08-05 00:00:00

pages

302-6

issue

2

eissn

0014-5793

issn

1873-3468

pii

0014-5793(85)81264-3

journal_volume

187

pub_type

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