Differential ability of Tribbles family members to promote degradation of C/EBPα and induce acute myelogenous leukemia

Abstract excerpt

Trib1, Trib2, and Trib3 are mammalian homologs of Tribbles, an evolutionarily conserved Drosophila protein family that mediates protein degradation. Tribbles proteins function as adapters to recruit E3 ubiquitin ligases and enhance ubiquitylation of the target protein to promote its degradation. Increased Trib1 and Trib2 mRNA expression occurs in human myeloid leukemia and induces acute myeloid leukemia in mice,...

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