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Modulating skeletal muscle mass by postnatal, muscle‐specific inactivation of the myostatin gene

Modulating skeletal muscle mass by postnatal, muscle‐specific inactivation of the myostatin gene By using a conditional gene targeting approach exploiting the cre‐lox system, we show that postnatal inactivation of the myostatin gene in striated muscle is sufficient to cause a generalized muscular hypertrophy of the same magnitude as that observed for constitutive myostatin knockout mice. This formally demonstrates that striated muscle is the production site of functional myostatin and that this member of the TGFβ family of growth and differentiation factors regulates muscle mass not only during early embryogenesis but throughout development. It indicates that myostatin antagonist could be used to treat muscle wasting and to promote muscle growth in man and animals. genesis 35:227–238, 2003. © 2003 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Genesis: the Journal of Genetics and Development Wiley

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References (39)

Publisher
Wiley
Copyright
Copyright © 2003 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1526-954X
eISSN
1526-968X
DOI
10.1002/gene.10188
pmid
12717734
Publisher site
See Article on Publisher Site

Abstract

By using a conditional gene targeting approach exploiting the cre‐lox system, we show that postnatal inactivation of the myostatin gene in striated muscle is sufficient to cause a generalized muscular hypertrophy of the same magnitude as that observed for constitutive myostatin knockout mice. This formally demonstrates that striated muscle is the production site of functional myostatin and that this member of the TGFβ family of growth and differentiation factors regulates muscle mass not only during early embryogenesis but throughout development. It indicates that myostatin antagonist could be used to treat muscle wasting and to promote muscle growth in man and animals. genesis 35:227–238, 2003. © 2003 Wiley‐Liss, Inc.

Journal

Genesis: the Journal of Genetics and DevelopmentWiley

Published: Apr 1, 2003

Keywords: ; ; ;

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