ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Inhibition of Calcium-Dependent Lipid Droplets Relocation of ACSL4-PKCβ-ALOX15 Complex Alleviates Ferroptosis and Acute Pancreatitis.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Ferroptosis, an iron-dependent form of programmed cell death driven by toxic lipid peroxide accumulation, plays a critical role in various diseases, making its modulation a promising therapeutic strategy. In this study, we identified several L-type calcium channel blockers as novel inhibitors of ferroptosis. We further elucidated that calcium-dependent activation of PKCβ drives ferroptosis by phosphorylating two key enzymes, ACSL4 and ALOX15, at multiple sites. We generated phosphorylation-specific antibodies targeting these sites and confirmed their specificity in the context of ferroptosis. Furthermore, upon induction of ferroptosis, the ACSL4-PKCβ-ALOX15 complex relocates to lipid droplets, highlighting a critical role of lipid droplets in ferroptosis. Notably, elevated PKCβ levels enhance the efficacy of ferroptosis-inducing cancer therapies, while inhibition of the Ca
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