ANA, SMA, or anti-LKM1 ≥ 1:80 in adults and ≥ 1:20 in children; no AMA Hypergammaglobulinemia of any degree ANA, SMA or anti-LKM1 ≥ 1:40 in adults; other autoantibodies Interface hepatitis ...

Introduction: Skeletal muscle satellite cells (MuSCs or stem cells) play a crucial role in muscle development, maintenance, and regeneration, supporting both hypertrophy and regenerative myogenesis.