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http://purl.uniprot.org/citations/22662195http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/22662195http://www.w3.org/2000/01/rdf-schema#comment"

Background

Growth arrest-specific gene 7 (Gas7) has previously been shown to be involved in neurite outgrowth in vitro; however, its actual role has yet to be determined. To investigate the physiological function of Gas7 in vivo, here we generated a Gas7-deficient mouse strain with a labile Gas7 mutant protein whose functions are similar to wild-type Gas7.

Methodology/principal findings

Our data show that aged Gas7-deficient mice have motor activity defects due to decreases in the number of spinal motor neurons and in muscle strength, of which the latter may be caused by changes in muscle fiber composition as shown in the soleus. In cross sections of the soleus of Gas7-deficient mice, gross morphological features and levels of myosin heavy chain I (MHC I) and MHC II markers revealed significantly fewer fast fibers. In addition, we found that nerve terminal sprouting, which may be associated with slow and fast muscle fiber composition, was considerably reduced at neuromuscular junctions (NMJ) during aging.

Conclusions/significance

These findings indicate that Gas7 is involved in motor neuron function associated with muscle strength maintenance."xsd:string
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http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/author"Su C.H."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/author"Lin-Chao S."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/author"Chao C.C."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/author"Chang P.Y."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/author"Huang B.T."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/date"2012"xsd:gYear
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/name"PLoS One"xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/pages"e37702"xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/title"Gas7-deficient mouse reveals roles in motor function and muscle fiber composition during aging."xsd:string
http://purl.uniprot.org/citations/22662195http://purl.uniprot.org/core/volume"7"xsd:string
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