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Relatively increased number of liver Foxp(3+) regulatory T cells against hepatic lesions in murine lupus / 华中科技大学学报(医学)(英德文版)
Article in En | WPRIM | ID: wpr-635416
Responsible library: WPRO
ABSTRACT
Systemic lupus erythematosus (SLE) is a multiple organ autoimmune disorder, including the liver, but the possible reason in impairment in the liver is still unclear. Our present study assessed alterations of transcription factor Foxp3(+) regulatory T cells (Tregs) and several other immune molecules [programmed cell death 1 and its ligand (PD1 and PD-L1), and interleukin 10 (IL-10) and transform growth factor β (TGF-β)] in the liver and other major organs of lupus-prone BXSB mice by flow cytometry, real-time quantitative reverse transcription PCR, and enzyme-linked immunosorbent assay. Results showed that both frequency and number of Foxp3(+) Tregs were dramatically reduced in the thymus, spleen and kidney of the BXSB mice (P0.05). Protein levels of IL-10 and TGF-β in serum showed no significant difference between BXSB and C57BL/6 mice, but were significantly increased in the kidneys and livers of BXSB mice as compared with those in C57BL/6 mice (P<0.05). These results suggest that reduced Foxp3(+) Tregs are involved in the pathogenesis of SLE in BXSB mice, and relatively higher number of these cells in the livers than in the other target organs could constitute a protective mechanism against hepatic lesions in lupus-prone mice, which may provide insights into development of new therapeutic approaches in SLE patients.
Full text: 1 Index: WPRIM Language: En Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2011 Type: Article
Full text: 1 Index: WPRIM Language: En Journal: Journal of Huazhong University of Science and Technology (Medical Sciences) Year: 2011 Type: Article