Erschienen in:
01.01.2015 | Astute Clinician Report
Gain of Function Mutations of PIK3CD as a Cause of Primary Sclerosing Cholangitis
verfasst von:
Heather N. Hartman, Julie Niemela, Mary K. Hintermeyer, Mary Garofalo, Jennifer Stoddard, James W. Verbsky, Sergio D. Rosenzweig, John M. Routes
Erschienen in:
Journal of Clinical Immunology
|
Ausgabe 1/2015
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Abstract
Gain of function (GOF) mutation in the p110δ catalytic subunit of the phosphatidylinositol-3-OH kinase (PIK3CD) is the cause of a primary immunodeficiency (PID) characterized by recurrent sinopulmonary infections and lymphoproliferation. We describe a family of two adults and three children with GOF mutation in PIK3CD, all with recurrent sinopulmonary infections and varied infectious and non-infectious complications. The two adults have Primary Sclerosing Cholangitis (PSC) without evidence of Cryptosporidium parvum infection and have required liver transplantation. PSC is a novel phenotype of GOF mutation in PIK3CD.