Article
Bruton's tyrosine kinase is present in normal platelets and its absence identifies patients with X‐linked agammaglobulinaemia and carrier females
1 Jul 2001
Abstract excerpt
X-linked agammaglobulinaemia (XLA) is a primary immunodeficiency caused by mutations in the gene coding for Bruton's tyrosine kinase (Btk) and is characterized by an arrest of B-cell development. We analysed Btk protein expression in platelets using flow cytometry and found that normal platelets express large amounts of Btk. Assessment of affected males from 45 unrelated XLA families revealed that platelets of...
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