Intrinsic renal cells induce lymphocytosis of Th22 cells from IgA nephropathy patients through B7-CTLA-4 and CCL-CCR pathways

被引：26

作者：

Gan, Lu ^{[1
]}

Zhou, Qiaoling ^{[1
]}

Li, Xiaozhao ^{[1
]}

Chen, Chen ^{[1
]}

Meng, Ting ^{[1
]}

Pu, Jiaxi ^{[1
]}

Zhu, Mengyuan ^{[1
]}

Xiao, Chenggen ^{[1
]}

机构：

[1] Cent S Univ, Dept Nephrol, Xiangya Hosp, Changsha, Hunan, Peoples R China

来源：

MOLECULAR AND CELLULAR BIOCHEMISTRY | 2018年 / 441卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

IgA nephropathy; Th22; cells; Inflammatory cytokines; C-C chemokines; Antigen presentation; Chemotaxis; GALACTOSE-DEFICIENT IGA1; MESANGIAL CELLS; FIBROSIS; FAMILY; TONSILLECTOMY; POLYMORPHISMS; AUTOIMMUNITY; EXPRESSION; PODOCYTES; RESPONSES;

D O I：

10.1007/s11010-017-3185-8

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

IgA nephropathy (IgAN), the most common glomerulonephritis, has an unclear pathogenesis. The role of Th22 cells, which are intimately related to proteinuria and progression in IgAN, in mediating infection-related IgAN is unclear. This study aimed to characterize the association between intrinsic renal cells (tubular epithelial cells and mesangial cells) and Th22 cells in immune regulation of infection-related IgAN and to elucidate the impact of Th22 lymphocytosis; the proinflammatory cytokines IL-1, IL-6, and TNF-alpha; and CCL chemokines on kidney fibrosis. Hemolytic streptococcus infection induced an increase in IL-1, IL-6, and TNF-alpha, resulting in Th22 cell differentiation from T lymphocytes obtained from patients with IgAN, and the CCL20-CCR6, CCL22-CCR4, and/or CCL27-CCR10 axes facilitated Th22 cell chemotaxis. The increased amount of Th22 cells caused an increase in TGF-beta 1 levels, and anti-CD80, anti-CD86, and CTLA-4Ig treatment reduced TGF-beta 1 levels by inhibiting Th22 lymphocytosis and secretion of cytokines and chemokines, thus potentially relieving kidney fibrosis. Our data suggest that Th22 cells might be recruited into the kidneys via the CCL20-CCR6, CCL22-CCR4, and/or CCL27-CCR10 axes by mesangial cells and tubular epithelial cells in infection-related IgAN. Th22 cell overrepresentation was attributed to stimulation of the B7-CTLA-4Ig antigen-presenting pathway and IL-1, IL-6, and TNF-alpha.

引用

页码：191 / 199

页数：9

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