title: [X-linked lymphoproliferative syndrome (XLP syndrome): from clinic to gene].
abstract: X-linked lymphoproliferative syndrome (XLP, also known as Duncan's disease) is characterised by an extreme sensitivity to Epstein Barr virus (EBV), resulting in a complex phenotype manifested by severe or fatal mononucleosis, acquired hyogammaglobulinemia and malignant lymphoma. The gene responsible for XLP has recently been identified by a positional cloning and a functional cloning approach and encodes a small cytoplasmic protein involved in signal transduction of T and NK cells. The identification of the XLP gene will permit direct diagnosis of XLP in families with a single affected male. Recent progress in immunobiology and genetics of this primary immunodeficiency disease are presented.
authors: Unité d'hématologie et oncologie pédiatrique, hôpital Nord, CHRU, Saint-Etienne, France.
authors: J L
authors: JL
authors: Stéphan
mesh_terms: D020031:Epstein-Barr Virus Infections; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology; D008232:Lymphoproliferative Disorders / Q000235:genetics* / Q000821:virology; D015398:Signal Transduction; D013601:T-Lymphocytes / Q000276:immunology