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Growth Horm IGF Res. 2002 Aug;12(4):193-7.

Control of cell survival by IGF signaling pathways.

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  • 1Department of Neurology, University of Michigan, Room 4414 Kresge III, 200 Zina Pitcher Place, Ann Arbor, MI 48109, USA.


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.

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