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IGFBP-3 and apoptosis—a licence to kill?

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Abstract

Insulin-like growth factor binding protein (IGFBP)-3, the major carrier of insulin-like growth factors (IGFs) in the circulation, was first isolated and characterised over a decade ago. More recently, IGFBP-3 has been assigned a role as a putative death-promoting factor, a function that appears, under certain circumstances, to be independent of its IGF-binding ability. This review examines the current evidence for a pro-apoptotic function for IGFBP-3 and speculates on its physiological significance.

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Butt, A.J., Williams, A.C. IGFBP-3 and apoptosis—a licence to kill?. Apoptosis 6, 199–205 (2001). https://doi.org/10.1023/A:1011388710719

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