PMID: 2484237Nov 1, 1989Paper

Lipid peroxidation in mitochondria and microsomes from adult and fetal rat tissues. Effects of Zn deficiency, Fe, and salicylate

Biological Trace Element Research
T Günther, V Höllriegl

Abstract

Pregnant female Wistar rats that received a control (100 ppm Zn) or a Zn-deficient diet (1.5 ppm Zn) from d 0 to 21, or nonpregnant normally fed female rats without or with five daily oral doses of 300 mg/kg salicylic acid were used for the experiments. In isolated mitochondria or microsomes from various maternal and fetal tissues, lipid peroxidation was determined as malondialdehyde formation measured by means of the thiobarbiturate method. Zn deficiency increased lipid peroxidation in mitochondria and microsomes from maternal and fetal liver, maternal kidney, maternal lung microsomes, and fetal lung mitochondria. Lipid peroxidation in fetal microsomes was very low. Zn deficiency produced a further reduction of lipid peroxidation in fetal liver microsomes. Salicylate increased lipid peroxidation in liver mitochondria and microsomes after addition in vitro and after application in vivo. The increase of lipid peroxidation by salicylate may be caused by two mechanisms: an increased cellular Fe uptake that, in turn, can increase lipid peroxidation and chelating Fe, in analogy to the effect of ADP in lipid peroxidation. The latter effect of salicylate is particularly expressed at increased Fe content.

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Citations

Jan 1, 1995·Biological Trace Element Research·A SchmuckA M Roussel
Mar 25, 2010·International Journal of Colorectal Disease·A M El-Tawil
Nov 1, 1993·Toxicology in Vitro : an International Journal Published in Association with BIBRA·S Klug, D Neubert
Dec 2, 2009·Chemico-biological Interactions·Hirokazu Doi, Toshiharu Horie
Jan 1, 1995·The International Journal of Biochemistry & Cell Biology·A A Shaheen, A A el-Fattah

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