Title |
Redundancy of myostatin and growth/differentiation factor 11 function
|
---|---|
Published in |
BMC Developmental Biology, March 2009
|
DOI | 10.1186/1471-213x-9-24 |
Pubmed ID | |
Authors |
Alexandra C McPherron, Thanh V Huynh, Se-Jin Lee |
Abstract |
Myostatin (Mstn) and growth/differentiation factor 11 (Gdf11) are highly related transforming growth factor beta (TGFbeta) family members that play important roles in regulating embryonic development and adult tissue homeostasis. Despite their high degree of sequence identity, targeted mutations in these genes result in non-overlapping phenotypes affecting distinct biological processes. Loss of Mstn in mice causes a doubling of skeletal muscle mass while loss of Gdf11 in mice causes dramatic anterior homeotic transformations of the axial skeleton, kidney agenesis, and an increase in progenitor cell number in several tissues. In order to investigate the possible functional redundancy of myostatin and Gdf11, we analyzed the effect of eliminating the functions of both of these signaling molecules. |
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