To gather relevant literature, we conducted a comprehensive search of the PubMed database using keywords such as “myasthenia gravis,” “autoimmune diseases,” “biologic therapies,” “B-cell depletion,” “FcRn inhibitors,” “complement inhibitors,” and “animal model.” The search was limited to articles published in English up to December 12, 2024. The gene discussed is FCGRT; the disease is autoimmune disease.