Journal
GROWTH HORMONE & IGF RESEARCH
Volume 12, Issue 4, Pages 193-197Publisher
CHURCHILL LIVINGSTONE
DOI: 10.1016/S1096-6374(02)00017-5
Keywords
Akt/protein kinase B; apoptosis; insulin-like growth factor-1; phosphorylation
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The insulin-like growth factor system efficiently signals to cells to grow, differentiate, and survive. One central player in the prevention of cell death is the IGF-I receptor. Transduction of signals through this receptor leads to multiple series of intracellular phosphorylation events and the activation of several signaling pathways. Mechanisms of IGF system signaling that prevent cell death continue to be identified, suggesting that cells have alternative ways to avert death signals in addition to primary protective pathways. This review describes current knowledge of the mechanisms utilized by the IGF system to promote cell survival. (C) 2002 Elsevier Science Ltd. All rights reserved.
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