BACKGROUND Impaired Fas-induced apoptosis of lymphocytes in vitro is a principal feature of the autoimmune lymphoproliferative syndrome (ALPS). We studied six children with ALPS whose lymphocytes had normal sensitivity to Fas-induced apoptosis in vitro. METHODS Susceptibility to Fas-mediated apoptosis and the Fas gene were analyzed in purified subgroups of T cells and other mononuclear cells ...

We describe 2 cases of autoimmune lymphoproliferative syndrome (ALPS), which is a rare disorder of auto-immunity, chronic persistent or recurrent lymphadenopathy, splenomegaly, hepatomegaly and hyper gamma globulinemia (1gG, 1gA). Both cases presented in neonatal period which is a rare age of presentation in this disease. A 20 days old female neonate presented with respiratory symptoms which ra...

Autoimmune lymphoproliferative syndrome (ALPS) is a prototypic disorder of abnormal lymphocyte homeostasis. In the September 2005 issue of The Iranian Journal of Allergy, Asthma and Immunology, a patient with clinical features consistent with ALPS was described. Although the clinical presentation was in favor of ALPS, a precise diagnosis needed more laboratory evaluations.

Genetic abnormalities predisposing to autoimmunity generally act in a cooperative manner affecting one or several mechanisms regulating immunological tolerance. In addition, many of these genetic abnormalities are also involved in the development of lymphoproliferative diseases. In the present study, we have determined the possible cooperation between deficiencies in members of the Cip/Kip fami...