Neuregulin signaling through a PI3K/Akt/Bad pathway in Schwann cell survival.


beta-Neuregulin (betaNRG) is a potent Schwann cell survival factor that binds to and activates a heterodimeric ErbB2/ErbB3 receptor complex. We found that NRG receptor signaling rapidly activated phosphoinositide 3-kinase (PI3K) in serum-starved Schwann cells, while PI3K inhibitors markedly exacerbated apoptosis and completely blocked NRG-mediated rescue… (More)


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