Alternative titles and symbols : ICL; Idiopathic cd4 lymphopenia;
Description : Idiopathic CD4 lymphopenia (ICL) is a rare and heterogeneous syndrome defined by a
reproducible reduction in the CD4 T-lymphocyte count (less than 300 cells per microliter
or less than 20% of total T cells) in the absence of HIV infection or other known
causes of immunodeficiency. ICL predisposes to infections and malignancy (summary
by Gorska and Alam, 2012).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the unc-119 lipid binding chaperone gene (UNC119, 604011.0002);