Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0019214 (hepatosplenomegaly)
 4,408 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Inherited mutations of the Fas/Apo1/CD95 gene, a cell-surface receptor involved in cell death signaling and in the control of self-reactivity, characterize the recently identified autoimmune lymphoproliferative syndromes. A patient with type 2 autoimmune hepatitis with the immunologic and genetic features of autoimmune lymphoproliferative syndrome is described. The clinical picture was dominated by liver disease with hepatosplenomegaly and positivity for anti-liver-kidney microsome 1 and anti-liver-cytosol 1 antibodies. A marked increase in CD3+CD4-CD8-T lymphocytes and inherited mutations in Fas alleles that led to the expression of a soluble form of the protein were also found. Fas-mediated apoptosis was deficient in the patient as it was in her mother and her sister, who carried the same allele 2 mutation. This observation links type 2 autoimmune hepatitis, an organ-specific disease, with a genetically determined defect in peripheral tolerance control.
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PMID:Fas/Apo1 mutations and autoimmune lymphoproliferative syndrome in a patient with type 2 autoimmune hepatitis. 961 60