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Publication : Mutation of unique region of Bruton's tyrosine kinase in immunodeficient XID mice.

First Author  Rawlings DJ Year  1993
Journal  Science Volume  261
Issue  5119 Pages  358-61
PubMed ID  8332901 Mgi Jnum  J:13209
Mgi Id  MGI:61415 Doi  10.1126/science.8332901
Citation  Rawlings DJ, et al. (1993) Mutation of unique region of Bruton's tyrosine kinase in immunodeficient XID mice. Science 261(5119):358-61
abstractText  The cytoplasmic tyrosine kinase, Bruton's tyrosine kinase (Btk, formerly bpk or atk), is crucial for B cell development. Loss of kinase activity results in the human immunodeficiency, X-linked agammaglobulinemia, characterized by a failure to produce B cells. In the murine X-linked immunodeficiency (XID), B cells are present but respond abnormally to activating signals. The Btk gene, btk, was mapped to the xid region of the mouse X chromosome by interspecific backcross analysis. A single conserved residue within the amino terminal unique region of Btk was mutated in XID mice. This change in xid probably interferes with normal B cell signaling mediated by Btk protein interactions.
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