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Imbalanced expression of functional surface molecules in regulatory and effector T cells in systemic lupus erythematosus BJMBR
Mesquita Júnior,D.; Cruvinel,W.M.; Araujo,J.A.P.; Salmazi,K.C.; Kallas,E.G.; Andrade,L.E.C..
Regulatory T (TREG) cells play an important role in maintaining immune tolerance and avoiding autoimmunity. We analyzed the expression of membrane molecules in TREG and effector T cells in systemic lupus erythematosus (SLE). TREG and effector T cells were analyzed for the expression of CTLA-4, PD1, CD28, CD95, GITR, HLA-DR, OX40, CD40L, and CD45RO in 26 patients with active disease, 31 with inactive disease, and 26 healthy controls. TREG cells were defined as CD25+/highCD127Ø/lowFoxP3+, and effector T cells were defined as CD25+CD127+FoxP3Ø. The ratio of TREG to effector T cells expressing GITR, PD1, HLA-DR, OX40, CD40L, and CD45RO was determined in the three groups. The frequency of TREG cells was similar in patients with SLE and controls. However, SLE...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Systemic lupus erythematosus; T lymphocytes; Regulatory T cells; Effector T cells.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2014000800662
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