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Mechanisms Of B-Myb Oncogenicity In Ovarian Cancer, Audra N. Iness
Mechanisms Of B-Myb Oncogenicity In Ovarian Cancer, Audra N. Iness
Theses and Dissertations
High expression of B-Myb (encoded by MYBL2), an oncogenic transcription factor, is associated with cell cycle deregulation and poor prognosis in several cancers, including ovarian cancer. However, the mechanism by which B-Myb alters the cell cycle is not fully understood. In proliferating cells, B-Myb interacts with the MuvB core complex including LIN9, LIN37, LIN52, RBBP4, and LIN54, forming the MMB (Myb-MuvB) complex, and promotes transcription of genes required for mitosis. Alternatively, the MuvB core interacts with Rb-like protein p130 and E2F4-DP1 to form the DREAM complex that mediates global repression of cell cycle genes in G0/G1, including a subset …