Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology · 2015
Declined hTERT expression of peripheral blood CD4(+) T cells in oral lichen planus correlated with clinical parameter.
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Zhang Jing, Wei Ming-Hui, Lu Rui, Du Ge-Fei, Zhou Gang
Аннотация
BACKGROUND: Oral lichen planus (OLP) is a chronic, T-cell-mediated inflammatory autoimmune disease. Human telomerase reverse transcriptase (hTERT), a catalytic subunit bearing the enzymatic activity of telomerase, may have a unique function in regulating the activation, proliferation, and function of T lymphocytes. The goal of this study was to investigate the expression of hTERT in CD4(+) and CD8(+) T cells from patients with OLP and its correlation with clinical parameter.
METHODS: The disease severity of OLP was assessed by RAE (reticular, atrophic, erosive) scoring system. Expressions of hTERT in CD4(+) T cells and CD8(+) T cells isolated from peripheral blood of patients with OLP were detected by real-time PCR, and their correlations with clinical features were analyzed.
RESULTS: hTERT mRNA levels in CD4(+) T cells of OLP were significantly lower than that of controls, while the levels in CD8(+) T cells showed no statistical difference. The expression of hTERT in CD4(+) T cells and CD8(+) T cells was neither associated with disease severity nor gender. CD4(+) T cells of OLP patients with the age ≤50 had markedly decreased hTERT levels compared with controls, but CD8(+) T cells did not.
CONCLUSIONS: A divergent hTERT pattern between CD4(+) and CD8(+) T cells was implicated in OLP. Decreased hTERT in CD4(+) T cells might be responsible for the immune dysfunction in OLP.
METHODS: The disease severity of OLP was assessed by RAE (reticular, atrophic, erosive) scoring system. Expressions of hTERT in CD4(+) T cells and CD8(+) T cells isolated from peripheral blood of patients with OLP were detected by real-time PCR, and their correlations with clinical features were analyzed.
RESULTS: hTERT mRNA levels in CD4(+) T cells of OLP were significantly lower than that of controls, while the levels in CD8(+) T cells showed no statistical difference. The expression of hTERT in CD4(+) T cells and CD8(+) T cells was neither associated with disease severity nor gender. CD4(+) T cells of OLP patients with the age ≤50 had markedly decreased hTERT levels compared with controls, but CD8(+) T cells did not.
CONCLUSIONS: A divergent hTERT pattern between CD4(+) and CD8(+) T cells was implicated in OLP. Decreased hTERT in CD4(+) T cells might be responsible for the immune dysfunction in OLP.