Case Report: The first Mainland Chinese case of CTLA4 c.529dupT haploinsufficiency with a 38-year diagnostic delay
Cytotoxic T-lymphocyte-associated protein 4 (CTLA4) haploinsufficiency with autoimmune infiltration (CHAI) is an autosomal dominant condition featuring both immunodeficiency and autoimmunity. We describe the first published mainland Chinese patient har…