Target intelligence / Profile preview

Proto-oncogene protein c-myb (c-Myb)

Target
c-Myb
Molecular classification
Transcription factor
01

Overview

Proto-oncogene protein c-myb (MYB) is a transcription factor crucial for regulating cell proliferation, differentiation, and survival, particularly in hematopoietic progenitor cells. It contains an N-terminal DNA-binding domain, a central activation domain, and a C-terminal regulatory domain. c-Myb binds to the DNA motif 5'-YAAC[GT]G-3'. Aberrant expression or mutations of MYB are implicated in various cancers, including leukemias and colonic tumors.

Other names
MYBv-myb avian myeloblastosis viral oncogene homolog
02

Mechanism of action

Not applicable

03

Biological functions

Cell proliferationCell differentiationCell survivalTranscriptional regulationCell cycle progressionHematopoiesis
04

Disease associations

LeukemiaColonic tumorsCancer
05

Safety considerations

Dysregulation can lead to oncogenesisContext-dependent activity; minor mutations can dramatically alter function
06

Biomarkers

MYB expression levels as prognostic or diagnostic marker in some cancers

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