Antibody Deficiency in Xeroderma Pigmentosum
J Clin Immunol. 2026 Jan 10;46(1):4. doi: 10.1007/s10875-025-01967-y. ABSTRACT We describe a 3-year-old patient with xeroderma pigmentosum (XP) and genetically confirmed XPA deficiency who presented with recurrent infections in early childhood. Immunological assessment revealed mild hypogammaglobulinemia with IgG2 and IgG3 subclass deficiencies, as well as impaired humoral immunity demonstrated by a reduced antibody response to … Read more