ArticleBlood cells, molecules & diseases
A degradation-resistant c-Myb mutant cooperates with Bcl-2 in enhancing proliferative potential and survival of hematopoietic cells.
Article in Blood cells, molecules & diseases. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Emerging role of MYB transcription factors in cancer drug resistance.Cancer drug resistance (Alhambra, Calif.) · 2024Review
- Targeting CDK6 and BCL2 Exploits the "MYB Addiction" of PhCancer research · 2018Article
- Expression of p89(c-Mybex9b), an alternatively spliced form of c-Myb, is required for proliferation and survival of p210BCR/ABL-expressing cells.Blood cancer journal · 2012Article
- IL-3 and oncogenic Abl regulate the myeloblast transcriptome by altering mRNA stability.PloS one · 2009Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
The c-myb gene is preferentially expressed in primitive hematopoietic cell and plays a central role in the control of cell proliferation, differentiation and survival by regulating the transcription of several genes implicated in these processes including the antiapoptotic Bcl-2. We show here that, compared to wild-type c-Myb, overexpression of a degradation resistant c-Myb mutant [Delta(358-452) c-Myb] enhances the clonogenic potential of hematopoietic progenitors as indicated by increased cytokine-dependent primary and secondary colony formation of Lin(-) Sca-1(+) Kit(+) mouse marrow cells. Moreover, proliferation assays of IL-3 dependent myeloid precursor 32Dcl3 cells co-expressing Bcl-2 and c-Myb indicate that these cells continue to proliferate in the absence of IL-3 and this effect is more apparent in cells expressing the degradation resistant Delta(358-452) c-Myb. Interestingly, overexpression of Delta(358-452) c-Myb is by itself sufficient to protect 32Dcl3 cells from apoptosis induced by IL-3 deprivation; moreover, these cells are also increased in number which most likely reflects the enhanced proliferative potential conferred by Delta(358-452) c-Myb to apoptosis-resistant cells.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.