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Zhong-Kun Wang, Xue-Lei Zhou, Xiang-Bin Song, Dong-Ming Zhuang, Zhen-Yong Wang, Du-Bao Yang, Lin Wang
Previous study has demonstrated that mitochondrial-dependent apoptotic pathway is involved in the nephroprotective effect of puerarin (PU) against lead-induced cytotoxicity in primary cultures of rat proximal tubular (rPT) cells. To further clarify how PU exerts its antiapoptotic effects, this study was designed to investigate the role of mitochondrial permeability transition (MPT) and subsequent apoptotic events in the process of PU against Pb-induced cytotoxicity in rPT cells. The results showed that Pb-mediated mitochondrial permeability transition pore (MPTP) opening together with mitochondrial cytochrome c release, activations of caspase-9 and caspase-3, and subsequent poly-ADP-ribose polymerase (PARP) cleavage can be effectively blocked by the addition of PU...
April 27, 2016: Biological Trace Element Research
K Kusumoto, K Kageyama, T Matsuda, T T Tomura, H Munakata, H Tanaka, F Yazama, N Miwa
AIM: To evaluate promotive effect of hyperthermia on the carcinostatic activity of synthesized omega-hydroxy fatty acids (omega HFAs) and their ethylesters agaist Ehrlich ascites tumor (EAT) cells. METHODS: EAT cells were cultured with either omegaHFAs or their ethylester derivatives in a water bath at either 37 degrees C or 42 degrees C for 30 min, followed by incubation in a CO2 incubator for 20 or 72 h. Mitochond-rial dehydrogenase-based WST-1 assay and trypan blue dye exclusion assay were then conducted after incubation...
June 2007: Experimental Oncology
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