Article Publish Status: FREE
Abstract Title:

The chemopreventive potential of lycopene against atrazine-induced cardiotoxicity: modulation of ionic homeostasis.

Abstract Source:

Sci Rep. 2016 ;6:24855. Epub 2016 Apr 26. PMID: 27112537

Abstract Author(s):

Jia Lin, Hui-Xin Li, Jun Xia, Xue-Nan Li, Xiu-Qing Jiang, Shi-Yong Zhu, Jing Ge, Jin-Long Li

Article Affiliation:

Jia Lin


People who drink water contaminated with atrazine (ATR) over many years can experience problems with their cardiovascular system. Lycopene (LYC) has been shown to exhibit cardiovascular disease preventive effects. However, chemopreventive potential of LYC against ATR-induced cardiotoxicity remains unclear. To determine the effects of ATR and/or LYC on heart, mice were treated with ATR (50 mg/kg or 200 mg/kg) and/or LYC (5 mg/kg) by intragastric administration for 21 days. Histopathological and biochemical analyses, including analysis of ion concentrations (Na(+), K(+), Ca(2+) and Mg(2+)), ATPases (Na(+)-K(+)-ATPase, Ca(2+)-ATPase, Mg(2+)-ATPase and Ca(2+)-Mg(2+)-ATPase) activities and the transcription of their subunits, were performed on heart. The results revealed that ATR led to decreased Creative Kinase (CK) activity and increased histological alterations. Furthermore, a significant change in Na(+), K(+) and Ca(2+) content and the down-regulation of Na(+)-K(+)-ATPaseand Ca(2+)-ATPase activities and the mRNA expression of their subunits were observed in ATR-exposed mice. Notably, supplementary LYC significantly protected the heart against ATR-induced damage. In conclusion, ATR induced cardiotoxicity by modulating cardiac ATPase activity and the transcription ofits subunits, thereby triggering ionic disturbances. However, supplementary LYC significantly combated ATR-induced cardiotoxicity via the regulation of ATPase activity and subunit transcription. Thus, LYC exhibited a significant chemopreventive potential against ATR-induced cardiotoxicity.

Study Type : Animal Study

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