Polymyositis

Polymyositis

Polymyositis is an idiopathic inflammatory myopathy that causes symmetrical, proximal muscle weakness; elevated skeletal muscle enzyme levels; and…
emedicine.medscape.com

Patients with Systemic Sclerosis/polymyositis Overlap Have a Worse Survival Rate Than Patients Without It

 m.jrheum.org

HMGB1 as a Biomarker for Polymyositis and Dermatomyositis

High mobility group box chromosomal protein 1 (HMGB1) is a DNA-binding protein that functions as a structural co-factor. HMGB1 is actively secreted by macrophage/monocytes via inflammatory stimuli and is elaborated during apoptosis.
rheumnow.com