-Catenin regulates myogenesis by relieving I-mfa-mediated suppression of myogenic regulatory factors in P19 cells
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چکیده
منابع مشابه
Beta-catenin regulates myogenesis by relieving I-mfa-mediated suppression of myogenic regulatory factors in P19 cells.
Wnt/beta-catenin signaling plays a critical role in embryonic myogenesis. Here we show that, in P19 embryonic carcinoma stem cells, Wnt/beta-catenin signaling initiates the myogenic process depends on beta-catenin-mediated relief of I-mfa (inhibitor of MyoD Family a) suppression of myogenic regulatory factors (MRFs). We found that beta-catenin interacted with I-mfa and that the interaction was ...
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We have previously shown that beta-catenin interacts with a transcription suppressor I-mfa and, through this interaction, canonical Wnt signaling could relieve I-mfa-mediated suppression of myogenic regulatory factors (MRFs). In this study, we found that, based on this interaction, I-mfa-mediated suppression of the Wnt transcription factor T-cell factor/lymphoid enhancing factor-1 (TCF/LEF-1) c...
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15 صفحه اولAscl2 inhibits myogenesis by antagonizing the transcriptional activity of myogenic regulatory factors.
Myogenic regulatory factors (MRFs), including Myf5, MyoD (Myod1) and Myog, are muscle-specific transcription factors that orchestrate myogenesis. Although MRFs are essential for myogenic commitment and differentiation, timely repression of their activity is necessary for the self-renewal and maintenance of muscle stem cells (satellite cells). Here, we define Ascl2 as a novel inhibitor of MRFs. ...
متن کاملβ-catenin Is Essential for Efficient In Vitro Premyogenic Mesoderm Formation but Can Be Partially Compensated by Retinoic Acid Signalling
Previous studies have shown that P19 cells expressing a dominant negative β-catenin mutant (β-cat/EnR) cannot undergo myogenic differentiation in the presence or absence of muscle-inducing levels of retinoic acid (RA). While RA could upregulate premyogenic mesoderm expression, including Pax3/7 and Meox1, only Pax3/7 and Gli2 could be upregulated by RA in the presence of β-cat/EnR. However, the ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2005
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.0505922102