Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0025362 (mental retardation)
 15,878 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Down's syndrome (DS) associates with genetic-dependent dysregulation of the interferon (IFN) system. We used intracellular cytokine staining to analyse the percentages of IFN-gamma- and interleukin (IL)-4-producing T cells in the peripheral blood of patients with DS, individuals with mental retardation (MR), and healthy controls (HCs). The percentages of IFN-gamma-producing CD4(+) and CD8(+) T cells (IFGCs), namely Th1 (mean, 21.4+/-S.D. 1.3) and Tc1 (12.6+/-1.1), and the Th1/Th2 ratio (6.1+/-0.2) in DS were significantly higher than in MR (15.9+/-1.3, 7.9+/-0.6, 4.8+/-0.3) and in HCs (15.6+/-1.9, 7.2+/-1.1, 4.6+/-0.6). Most of the DS patients with high IFGC percentages were seropositive for anti-transglutaminase IgA. We found no correlation between sex, age, APOE genotypes, coexisting autoimmune diseases, susceptibility to infections, or degree of cognitive impairment and high IFGC percentages. This abnormality might thus contribute to immune dysfunction in DS without manifest clinical correlates.
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PMID:Interferon-gamma- and interleukin-4-producing T cells in Down's syndrome. 1628 22