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Bruton type agammaglobulinemia MeSH Supplementary Concept Data 2026
A hereditary immunodeficiency due to the failure of B-LYMPHOCYTES to mature and rearrangement failure of IG HEAVY CHAINS. Mutations in Agammaglobulinaemia tyrosine kinase (BTK gene) can cause X-linked AGAMMAGLOBULINEMIA type 1 (XLA). OMIM: 300755