Relationship Between Lipid Composition and Drug Metabolizing Capacity of Human Liver

Overview

Journal Eur J Clin Pharmacol

Specialty Pharmacology

Date 1985 Jan 1

PMID 3987778

Citations 7

Authors

M J Savolainen

A J Arranto

I E Hassinen

P V Luoma

R O Pelkonen

E A Sotaniemi

Affiliations

Soon will be listed here.

Abstract

The relationship between hepatic glycerolipids and microsomal drug-metabolizing enzymes was studied in liver biopsies from 41 subjects. The series included obese, diabetic, epileptic and chronic alcoholic patients, all of whom were hospitalized for suspected hepatic ailments (fatty liver, hepatitis or cirrhosis). Therapy with enzyme-inducing anticonvulsants was associated with high phospholipid and cytochrome P-450 and low triacylglycerol concentration in the liver. In patients with fatty liver or cirrhosis low phospholipid and cytochrome P-450 and high triacylglycerol concentrations were observed. There was a significant correlation (r (Pearson's product moment correlation coefficient) = 0.91) between the hepatic phospholipid and cytochrome P-450 concentration. The cytochrome P-450 concentration was inversely related (r = -0.74) to the triacylglycerol concentration. The positive correlation between hepatic phospholipids and drug-metabolizing enzymes could be interpreted as indicating that in human liver phospholipid and cytochrome P-450 synthesis share common regulators, or that phospholipids are necessary for the maximum rate of cytochrome P-450 synthesis.

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