Article
Joint formation requires muscle formation and contraction.
Developmental cell - 1 May 2009
Yasuda Hideyo, de Crombrugghe Benoit
Abstract excerpt
Embryo movement and muscle contraction affect joint formation, but their precise roles have remained elusive. In this issue of Developmental Cell, Joy Kahn and coworkers now demonstrate that these processes are essential for joint formation. They find that joint progenitor cells are unable to remain committed to their specified cell fate in mutant mice with defects in either muscle formation or contraction.
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