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Source: Redox Biology
Cancer: Head and Neck Cancer
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Dihydrolipoamide dehydrogenase regulates cystine deprivation-induced ferroptosis in head and neck cancer
We examined the role of dihydrolipoamide dehydrogenase (DLD) in ferroptosis induction in head and neck cancer (HNC). The effects of cystine deprivation or sulfasalazine treatment and of DLD gene silencing/overexpression were tested on HNC cell lines and mouse tumor xenograft models. These effects were analyzed with regard to cell death, lipid reactive oxygen species (ROS) and mitochondrial iron production, mitochondrial membrane potential, mRNA/protein expression, and α-ketoglutarate dehydrogenase (KGDH)/succinate/aconitase activities. Cystine deprivation induced ferroptosis via glutaminolysis. Cystine deprivation or impo...
Source: Redox Biology - January 8, 2020 Category: Biology Source Type: research
