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Protective effect of Mutellina purpurea polyphenolic compounds in doxorubicin-induced toxicity in H9c2 cardiomyocytes.

Drug and chemical toxicology (2014-03-04)
Slawomir Mandziuk, Tomasz Baj, Elwira Sieniawska, Jaroslaw Dudka, Renata Gieroba, Magdalena Iwan, Kazimierz Glowniak
ABSTRACT

The delayed cardiomyopathy caused by doxorubicin - an chemotherapeutic drug with broad spectrum of anticancer activity - is mainly triggered by oxidative stress. The aim of this study was to assess an effect of Mutellina purpurea methanolic extract fraction and other antioxidants of plant origin: rutin, quercetin and chlorogenic acid (all 1 mg% w/v) on oxidative stress and morphological changes induced by doxorubicin in cardiomyocytes H9c2. Mitochondrial oxidative stress in cardiomyocytes induced by 1 µM doxorubicin was evidenced by MitoTracker and RedoxSensor Red CC-1 dyes. Moreover, cardiomyocytes morphological changes and cell viability were evaluated. The tested fraction slightly reduced mitochondrial ROS fluorescence, similar to quercetin. Chlorogenic acid revealed concentration dependent prooxidative and antioxidative properties in the applied H9c2 model. The evaluation of the protective effect of tested compounds on doxorubicin-induced cytotoxicity was based on the examination of induced oxidative stress and morphology changes. The protective effect was described in the following order: rutin > chlorogenic acid (0.5 µM) > LH8 and quercetin. According to the MTT test, rutin seems to be the most promising compound that should be tested in a future studies.

MATERIALS
Product Number
Brand
Product Description

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