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MiR-125a regulates cell cycle, proliferation, and apoptosis by targeting the ErbB pathway in acute myeloid leukemia.


ABSTRACT: microRNA profiling of acute myeloid leukemia patient samples identified miR-125a as being decreased. Current literature has investigated miR-125a's role in normal hematopoiesis but not within acute myeloid leukemia. Analysis of the upstream region of miR-125a identified several CpG islands. Both precursor and mature miR-125a increased in response to a de-methylating agent, Decitabine. Profiling revealed the ErbB pathway as significantly decreased with ectopic miR-125a. Either ectopic expression of miR-125a or inhibition of ErbB via Mubritinib resulted in inhibition of cell cycle proliferation and progression with enhanced apoptosis revealing ErbB inhibitors as potential novel therapeutic agents for treating miR-125a-low AML.

SUBMITTER: Ufkin ML 

PROVIDER: S-EPMC4117580 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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miR-125a regulates cell cycle, proliferation, and apoptosis by targeting the ErbB pathway in acute myeloid leukemia.

Ufkin Melanie L ML   Peterson Sarah S   Yang Xuehui X   Driscoll Heather H   Duarte Christine C   Sathyanarayana Pradeep P  

Leukemia research 20140108 3


microRNA profiling of acute myeloid leukemia patient samples identified miR-125a as being decreased. Current literature has investigated miR-125a's role in normal hematopoiesis but not within acute myeloid leukemia. Analysis of the upstream region of miR-125a identified several CpG islands. Both precursor and mature miR-125a increased in response to a de-methylating agent, Decitabine. Profiling revealed the ErbB pathway as significantly decreased with ectopic miR-125a. Either ectopic expression  ...[more]

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