alexa Treg Th17 functional disequilibrium in Chinese uremia on hemodialysis: a link between calcification and cardiovascular disease.
Medicine

Medicine

Journal of Gerontology & Geriatric Research

Author(s): Chen D, Huang X, Yang M, Gan H, Gunawan EJ,

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Abstract AIM: To investigate the correlation of the functional disequilibrium of regulatory T cells (Treg)/T-helper (Th17) cells with calcification and to explore the significance of their influence on the outcome of cardiovascular disease (CVD) in uremic patients after hemodialysis (HD). METHODS: Out of 66 uremia patients, 36 patients had CVD after HD (maintenance hemodialysis (MHD) group1) and 30 patients did not have CVD (MHD group2). Twenty healthy volunteers were selected as normal control group. Peripheral blood mononuclear cells were isolated and treated with recombinant human bone morphogenetic protein-2 (rhBMP-2). Treg and Th17 frequencies were measured by flow cytometry. Forkhead/winged helix transcription factor (Foxp3) and retinoic acid receptor-related orphan receptor-γt (ROR-γt) mRNA expressions were measured by real-time quantitative polymerase chain reaction. Levels of interleukin (IL)-10 and IL-17 were detected by enzyme-linked immunosorbent assay. RESULTS: When compared with controls, rhBMP-2 upregulates Treg/Th17 functional disequilibrium in uremia patients, displaying higher Treg and Th17 frequencies, Foxp3 and ROR-γt expressions, and levels of cytokines (p < 0.05). These differences were also significant between MHD group1 and group2 (p < 0.05). It was also observed that Treg/Th17 functional disequilibrium was not only correlated with a calcification state but also consistent with the CVD. CONCLUSION: The Treg/Th17 cell function disequilibrium might act synergistically with calcification in the high incidence of CVD after HD. This article was published in Ren Fail and referenced in Journal of Gerontology & Geriatric Research

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