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Exp Cell Res. 1999 Nov 25;253(1):1-6.

The IGF-I receptor in cancer research.

Author information

  • Kimmel Cancer Center, Thomas Jefferson University, 233 S. 10th Street, 624 BLSB, Philadelphia, Pennsylvania, 19107, USA. r_baserga@lac.jci.tju.edu

Abstract

The type 1 insulin-like growth factor receptor (IGF-IR) plays an important role in both normal and abnormal growth. It is particularly important in anchorage-independent growth. Impairment of its function causes apoptosis of tumor cells and inhibition of tumor growth in experimental animals. However, the IGF-IR can also induce differentiation, and eventually cell death, of certain types of cells. Its major substrates, IRS-1 and Shc, determine whether the IGF-IR will transform cells or will cause their differentiation.

Copyright 1999 Academic Press.

PMID:
10579905
[PubMed - indexed for MEDLINE]
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