Muscle-specific transcriptional activation by MyoD.

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چکیده

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Muscle-specific transcriptional activation by MyoD.

We focus on the mechanism by which MyoD activates transcription. Previous experiments showed that when the 13-amino-acid basic region of E12 replaced the corresponding basic region of MyoD, the resulting MyoD-E12Basic chimeric protein could bind specifically to muscle-specific enhancers in vitro and form dimers with E12, but could not activate a cotransfected reporter gene or convert 10T1/2 cel...

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Klf5 regulates muscle differentiation by directly targeting muscle-specific genes in cooperation with MyoD in mice

Krüppel-like factor 5 (Klf5) is a zinc-finger transcription factor that controls various biological processes, including cell proliferation and differentiation. We show that Klf5 is also an essential mediator of skeletal muscle regeneration and myogenic differentiation. During muscle regeneration after injury (cardiotoxin injection), Klf5 was induced in the nuclei of differentiating myoblasts a...

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Activation of muscle-specific genes in pigment, nerve, fat, liver, and fibroblast cell lines by forced expression of MyoD.

MyoD is a master regulatory gene for myogenesis. Under the control of a retroviral long terminal repeat, MyoD was expressed in a variety of differentiated cell types by using either a DNA transfection vector or a retrovirus. Expression of muscle-specific proteins was observed in chicken, human, and rat primary fibroblasts and in differentiated melanoma, neuroblastoma, liver, and adipocyte lines...

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Myogenic transcriptional activation of MyoD mediated by replication-independent histone deposition.

In mammals, the canonical histone H3 and the variant H3.3 are assembled into chromatin through replication-coupled and replication-independent (RI) histone deposition pathways, respectively, to play distinct roles in chromatin function. H3.3 is largely associated with transcriptionally active regions via the activity of RI histone chaperone, HIRA. However, the precise role of the RI pathway and...

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ژورنال

عنوان ژورنال: Genes & Development

سال: 1991

ISSN: 0890-9369

DOI: 10.1101/gad.5.8.1377