Insulin-like growth factor 2 and overgrowth: molecular biology and clinical implications.

Abstract excerpt

The insulin-like growth factors, IGF1 and IGF2, play a fundamental role in human fetal growth. Of the growth disorders that involve excessive growth, many could be attributable to overexpression of IGF2. Because one copy of the IGF2 gene is silenced by genomic imprinting, several different molecular errors can double the number of active copies of the IGF2 gene. Although not formally demonstrated, each of these...

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