Acute effects of oral olanzapine treatment on the expression of fatty acid and cholesterol metabolism-related gene in rats

Life Sciences
Xuemei LiuChang-Hua Hu

Abstract

Second-generation antipsychotic drugs (SGAs) have a high risk for serious metabolic side-effects including dyslipidemia. This study aimed to investigate the acute effects of oral olanzapine treatment on the expression of genes for fatty acid and cholesterol biosynthesis in rats. Female Sprague-Dawley rats were treated orally with olanzapine (1mg/kg, equivalent to a human clinical dose of 10mg) via self-administration aimed to measure pharmacokinetics. Based on the pharmacokinetic analysis, the acute effects of olanzapine on sterol regulatory element binding protein (SREBP)-related fatty acid/cholesterol metabolism genes were investigated in the liver and perirenal white adipose tissue (WAT) by Real-time quantitative PCR. A pharmacokinetic analysis demonstrated that the maximum concentration of olanzapine in plasma (Cmax) occurred at 6h with a peak concentration of 276.5ng/ml after a single oral treatment and with a plasma elimination half-life of 3.5h after peak. The mRNA expression of SREBP-2 and target genes for cholesterol synthesis and transport was increased 1.9 8.8 fold compared with the control at 6h after olanzapine administration but returned to basal level at 12h post-treatment, while the increased mRNA expression of ...Continue Reading

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Citations

Jul 29, 2015·Pharmacological Research : the Official Journal of the Italian Pharmacological Society·Xuemei LiuChao Deng
Nov 12, 2016·International Journal of Molecular Sciences·Yanjie LiChang-Hua Hu
May 4, 2018·Journal of Biomedical Science·Katrina Weston-GreenJessica Nealon
May 10, 2018·Frontiers in Endocrinology·Andrea Del CampoLeonel E Rojo
Jul 2, 2020·BMC Pharmacology & Toxicology·Xuemei LiuChang-Hua Hu

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