Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/ijms231912011
Keywords
systemic sclerosis; myositis; smooth muscle; skeletal muscle; sarcopenia
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Systemic sclerosis (SSc) is a complex autoimmune disease characterized by heterogeneous changes involving multiple organs and systems. Muscle injury is widespread in SSc and leads to significant clinical manifestations. Heart involvement in SSc is heterogeneous, with the majority of patients experiencing asymptomatic cardiac disease. Further research is needed to fully understand the mechanisms and implications of muscle involvement in scleroderma.
Systemic sclerosis (SSc) is a complex autoimmune disease characterized by heterogeneous changes involving numerous organs and systems. The currently available data indicate that muscle injury (both smooth and striated muscles) is widespread and leads to significant morbidity, either directly or indirectly. From the consequences of smooth muscle involvement in the tunica media of blood vessels or at the level of the digestive tract, to skeletal myopathy (which may be interpreted strictly in the context of SSc, or as an overlap with idiopathic inflammatory myopathies), muscular injury in scleroderma translates to a number of notable clinical manifestations. Heart involvement in SSc is heterogenous depending on the definition used in the various studies. The majority of SSc patients experience a silent form of cardiac disease. The present review summarizes certain important features of myocardial, as well as smooth and skeletal muscle involvement in SSc. Further research is needed to fully describe and understand the pathogenic pathways and the implications of muscle involvement in scleroderma.
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