Id2 mediates tumor initiation, proliferation, and angiogenesis in Rb mutant mice.

Abstract excerpt

The inhibitor of differentiation Id2 is a target of the retinoblastoma (Rb) protein during mouse embryogenesis. In Rb(+/-) mice, LOH at the wild-type Rb allele initiates pituitary adenocarcinoma, a tumor derived from embryonic melanotropes. Here we identify a critical role for Id2 in initiation, growth, and angiogenesis of pituitary tumors from Rb(+/-) mice. We show that proliferation and differentiation are...

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