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J Cell Physiol. 2003 Feb;194(2):108-16.

Role of the IGF-I receptor in the regulation of cell-cell adhesion: implications in cancer development and progression.

Author information

1
Kimmel Cancer Institute, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA.

Abstract

The insulin-like growth factor-I receptor (IGF-IR) is a ubiquitous multifunctional tyrosine kinase that has an important role in normal cell growth and development. However, abnormal stimulation of IGF-IR signaling has been implicated in the development of different types of tumors. The strong antiapoptotic activity of IGF-IR has been recognized as critical in IGF-I-dependent tumorigenesis, however, the impact of other IGF-IR functions, such as regulation of cell-cell and cell-matrix adhesion are also increasingly acknowledged. Here, on the model of breast cancer cells, we discuss how IGF-IR-dependent regulation of intercellular adhesion may affect cell survival, resistance to antiestrogens, and invasion.

PMID:
12494449
DOI:
10.1002/jcp.10207
[Indexed for MEDLINE]

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