A possible contribution of visfatin to the resolution of skin sclerosis in patients with diffuse cutaneous systemic sclerosis via a direct anti-fibrotic effect on dermal fibroblasts and Th1 polarization of the immune response.

Abstract

OBJECTIVE Visfatin is a member of the adipocytokines with pro-fibrotic, pro-inflammatory and immunomodulating properties potentially implicated in the pathogenesis of certain fibrotic and inflammatory autoimmune diseases. In this study, we investigated THE CLINICAL SIGNIFICANCE OF SERUM VISFATIN LEVELS AND ITS CONTRIBUTION TO THE DEVELOPMENTAL PROCESS IN SSC. METHODS Serum visfatin levels were determined by a specific ELISA in 57 SSc patients and 19 healthy controls. The mRNA levels of target genes were determined in normal and SSc fibroblasts by real-time RT-PCR. The levels of IL-12p70 produced by THP-1 cells were measured by a specific ELISA. RESULTS Serum visfatin levels were comparable among total SSc, diffuse cutaneous SSc (dcSSc), limited cutaneous SSc and healthy controls. The only finding in a series of analyses regarding the correlation of serum visfatin levels with clinical symptoms and laboratory data was the significantly longer disease duration in dcSSc with elevated serum visfatin levels than in those with normal levels. Consistently, serum visfatin levels were significantly elevated in late-stage dcSSc (disease duration >6 years), but not in early and mid-stage dcSSc compared with healthy controls. In in vitro experiments, visfatin reversed the pro-fibrotic phenotype of SSc dermal fibroblasts and induced the expression of IL-12p70 in THP-1 cells treated with IFN-γ plus lipopolysaccharide. CONCLUSION Visfatin may contribute to the resolution of skin sclerosis in late-stage dcSSc via a direct anti-fibrotic effect on dermal fibroblasts and Th1 polarization of the immune response.

DOI: 10.1093/rheumatology/ket010
020040060020132014201520162017
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@article{Masui2013APC, title={A possible contribution of visfatin to the resolution of skin sclerosis in patients with diffuse cutaneous systemic sclerosis via a direct anti-fibrotic effect on dermal fibroblasts and Th1 polarization of the immune response.}, author={Yuri Masui and Yoshihide Asano and Sayaka Shibata and Shinji Noda and Kaname Akamata and Naohiko Aozasa and Takashi Taniguchi and Takehiro Takahashi and Yohei Ichimura and Tetsuo Toyama and Hayakazu Sumida and Koichi Yanaba and Yayoi Tada and Makoto Sugaya and Shinichi Sato and Takafumi Kadono}, journal={Rheumatology}, year={2013}, volume={52 7}, pages={1239-44} }