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. 2022 Oct;70(5):644-653.
doi: 10.1007/s12026-022-09296-7. Epub 2022 Jun 6.

Th17 and Th1 cells in systemic lupus erythematosus with focus on lupus nephritis

Raouia Fakhfakh  1 , Zeineb Zian  2   3 , Nesrine Elloumi  2 , Olfa Abida  2 , Emna Bouallegui  2 , Hana Houssaini  2 , Elisabetta Volpe  4 , Alessia Capone  4 , Hend Hachicha  2 , Sameh Marzouk  5 , Zouhir Bahloul  5 , Hatem Masmoudi  2
Affiliations

Th17 and Th1 cells in systemic lupus erythematosus with focus on lupus nephritis

Raouia Fakhfakh et al. Immunol Res. 2022 Oct.

Abstract

Systemic lupus erythematosus (SLE) is a complex autoimmune disease characterized by T cells imbalance. Indeed, a correlation between levels of Th17 cells and disease activity has been reported. Our work aimed to study the functional association of subpopulations of Th cells and SLE with (lupus nephritis, LN) or without (lupus erythematosus, LE) renal involvement in Tunisian patients through the detection of intracellular cytokines and surface marker expression. The IL23R and RORC mRNA expression levels were evaluated. The level of Th17 and Th1 cells was higher in LE and LN patients compared to healthy controls (HC) (p = 0.007 and p = 0.018, respectively), while Th1/17 cells were increased only in LN patients compared to HC (p = 0.011). However, no significant difference was described in the mRNA expression levels of RORC and IL-23R between SLE and HC. Our findings suggest that the Th1/Th17 differentiation mechanisms are altered in SLE and that this imbalance should have an important influence on the development and severity of the disease.

Keywords: Cytokines; Lupus nephritis; Systemic lupus erythematosus; Th1 cells; Th17 cells.

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