Genomics

Dataset Information

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MicroRNA-7 modulates Rb1 and c-Myc expression in myeloid leukemias harboring c-Kit mutations


ABSTRACT: The receptor tyrosine kinase, c-kit, plays a pivotal role in hematopoiesis and self-renewal. Aberrant activation of c-kit can be induced by genetic alterations and is thought to confer therapeutic resistance in leukemia. Significantly, the c-kit D816V mutation is a well-known indicator of poor prognosis in acute myeloid leukemias harboring t(8;21) chromosomal translocations; however, the mechanism by which this mutation promotes therapeutic resistance is still unclear. Our study identified that miR-7 directly targets Retinoblastoma-like Protein 1 (Rb1) and is regulated by the MEK pathway. In addition, we also found that c-Myc is upregulated by the D816V mutation, and is indirectly downregulated by miR-7.

ORGANISM(S): Mus musculus Rattus norvegicus Homo sapiens

PROVIDER: GSE61313 | GEO | 2014/09/11

SECONDARY ACCESSION(S): PRJNA260732

REPOSITORIES: GEO

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