Abstract

Background: Chicken serum-mediated proliferation regulates chGRP78 to prevent apoptosis in chicken cells via chGRP78-mediated anti-apoptosis. However, the precise molecular mechanisms underlying the chGRP78-mediated protection against apoptosis remain undefined. In an earlier study, we have shown that chGRP78 is critical for chicken embryo fibroblast (CEF) and DF-1 cell proliferation.Methods: In this experiment, we highlight AKT1 as a key target of GRP78 during apoptosis. We used 2D gel-based proteomics and bioinformatics prediction analysis for our studies. Result: Here, we detected chGRP78 binding sites in AKT1-rgulated proteins. chGRP78 promoted AKT1 activation and chGRP78 silencing decreased AKT1 levels. Taken together, we suggest that the AKT1-mediated signaling pathway plays a critical role in GRP78-stimulated fibroblast survival and anti-apoptosis. Our findings have important implications for the maintenance of chicken fibroblast cells via the inhibition of apoptosis.

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