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Decreased muscle mass
- ... characterized by progressive muscle weakness, a loss of muscle mass, and an inability to control movement. Most of ... have been found in nerve cells that control muscle movement (motor neurons) ... a decreased life expectancy compared with individuals who have sporadic ...
- ... the FBN1 gene can cause another condition called MASS syndrome. This condition involves abnormalities in several parts ... PubMed FIBRILLIN 1; FBN1 STIFF SKIN SYNDROME; SSKS MASS SYNDROME NCBI Gene ClinVar Ades LC, Sullivan K, ...