Divergent functions of murine Pax3 and Pax7 in limb muscle development

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منابع مشابه

Divergent functions of murine Pax3 and Pax7 in limb muscle development.

Pax genes encode evolutionarily conserved transcription factors that play critical roles in development. Pax3 and Pax7 constitute one of the four Pax subfamilies. Despite partially overlapping expression domains, mouse mutations for Pax3 and Pax7 have very different consequences. To investigate the mechanism of these contrasting phenotypes, we replaced Pax3 by Pax7 by using gene targeting in th...

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Pax3 functions in cell survival and in pax7 regulation.

In developing vertebrate embryos, Pax3 is expressed in the neural tube and in the paraxial mesoderm that gives rise to skeletal muscles. Pax3 mutants develop muscular and neural tube defects; furthermore, Pax3 is essential for the proper activation of the myogenic determination factor gene, MyoD, during early muscle development and PAX3 chromosomal translocations result in muscle tumors, provid...

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Pax3 and Pax7 have distinct and overlapping functions in adult muscle progenitor cells

The growth and repair of skeletal muscle after birth depends on satellite cells that are characterized by the expression of Pax7. We show that Pax3, the paralogue of Pax7, is also present in both quiescent and activated satellite cells in many skeletal muscles. Dominant-negative forms of both Pax3 and -7 repress MyoD, but do not interfere with the expression of the other myogenic determination ...

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03-P130 Pax3 and Pax7 play key functions in craniofacial development

The study of wound closure is important for the advancement of medicinal applications in surgical scar healing, as well as initiation of tissue regeneration. Research on wound closure has primarily focused on vertebrate models, although the process is found throughout all animal groups. Non-vertebrate models provide efficient cost-effective tools for examining the general properties necessary f...

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Integrated Functions of Pax3 and Pax7 in the Regulation of Proliferation, Cell Size and Myogenic Differentiation

Pax3 and Pax7 are paired-box transcription factors with roles in developmental and adult regenerative myogenesis. Pax3 and Pax7 are expressed by postnatal satellite cells or their progeny but are down regulated during myogenic differentiation. We now show that constitutive expression of Pax3 or Pax7 in either satellite cells or C2C12 myoblasts results in an increased proliferative rate and decr...

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ژورنال

عنوان ژورنال: Genes & Development

سال: 2004

ISSN: 0890-9369

DOI: 10.1101/gad.301004