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Apoptosis
New findings in apoptosis described by C.V. Shu and co-researchers
August 5th, 2008
According to a study from Hsinchu, Taiwan, "The chaperone glucose-regulated protein, 78/immunoglobulin binding protein (GRP78/Bip), protects cells from cytotoxicity induced by DNA damage or endoplasmic reticulum (ER) stress. In this study, we showed that GRP78 is a major inducible protein in human non-small cell lung cancer H460 cells treated with ER stress inducers, including A23 187 and thapsigargin." "AEBSF, an inhibitor of serine protease, diminished GRP78 induction, enhanced mitochondrial permeability, and augmented apoptosis in H460 cells during ER stress. Simultaneously, AEBSF promoted Raf-1 degradation and suppressed phosphorylation of Raf-1 at Ser338 and/or...
Source: Cancer Weekly (2008-08-05)
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