Home General Physiology and Biophysics 2023 General Physiology and Biophysics Vol.42, No.1, p 13–24, 2023

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Quarterly, 80 pp. per issue
Founded: 1982
ISSN  1338-4325 (online)

Published in English

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General Physiology and Biophysics Vol.42, No.1, p 13–24, 2023

Title: Celastrol attenuates Guillain-Barré syndrome by inhibiting TLR4/NF-κB/STAT3 pathway-mediated Th1/Th17 cell differentiation
Author: Hefang Shao, Weijiao Fan, Yang Tang

Abstract: Guillain-Barré syndrome (GBS) is an acute immune-mediated paralytic neuropathy with variable disease course and outcome. In this study, we aimed to investigate the therapeutic effects of celastrol on GBS and uncover its underlying mechanisms. Experimental autoimmune neuritis (EAN) is a typical animal model for GBS, and thus an EAN rat model was established with the injection of celastrol or/and LPS. We assessed the body weights and EAN clinical scores of rats. HE staining, flow cytometry, RT-qPCR, and Western blotting were respectively employed to measure pathological damage, proportions of cells (Th1, Th17, and Treg), Th1/Th17 cell differentiation-related mRNAs (IFN-γ, TBX21, IL-18, RORγT, IL-17, and IL-23) and TLR4/NF-κB/STAT3 pathway-related proteins (TLR4, NF-κB, p-NF-κB, STAT3, and p-STAT3). We found that celastrol attenuated clinical symptoms and pathological damage of GBS in EAN rats. Moreover, celastrol down-regulated Th1 and Th17 cell proportions, and the levels of IFN-γ, TBX21, IL-18, RORγT, IL-17, and IL-23 in EAN rats. Meanwhile, the levels of TLR4, p-NF-κB, and p-STAT3 were decreased by celastrol. Taken together, celastrol could restrain Th1/Th17 cell differentiation through inhibition of the TLR4/NF-κB/STAT3 pathway in EAN rats. Our findings suggest that celastrol may exert therapeutic effects on GBS by suppressing TLR4/NF-κB/STAT3 pathway-mediated Th1/Th17 cell differentiation

Keywords: Celastrol — Guillain-Barré syndrome — Th1 — Th17 — TLR4/NF-κB/STAT3 pathway
Published online: 30-Jan-2023
Year: 2023, Volume: 42, Issue: 1 Page From: 13, Page To: 24

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