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Article

CS12192, a Novel JAK3/JAK1/TBK1 Inhibitor, Synergistically Enhances the Anti-Inflammation Effect of Methotrexate in a Rat Model of Rheumatoid Arthritis

by
Zhengyu Fang
1,2,†,
Yiping Hu
1,†,
Jiajing Dai
3,
Lianhua He
1,
Juan He
1,
Bihua Xu
1,
Xinle Han
3,
Fubo Zhong
2,3,
Huiyao Lan
4,* and
Qingwen Wang
1,*
1
Department of Rheumatism and Immunology, Shenzhen Key Laboratory of Inflammatory and Immunology Diseases, Peking University Shenzhen Hospital, Shenzhen 518036, China
2
Department of Pathology, Peking University Shenzhen Hospital, Shenzhen 518036, China
3
Clinical Research Institute, Shenzhen Peking University—The Hong Kong University of Science and Technology Medical Center, Shenzhen 518036, China
4
Department of Medicine and Therapeutics, Li Ka Shing Institute of Health Sciences, and Lui Che Woo Institute of Innovative Medicine, The Chinese University of Hong Kong, Hong Kong, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Int. J. Mol. Sci. 2022, 23(21), 13394; https://doi.org/10.3390/ijms232113394
Submission received: 16 September 2022 / Revised: 22 October 2022 / Accepted: 25 October 2022 / Published: 2 November 2022
(This article belongs to the Section Molecular Pharmacology)
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Abstract

Rheumatoid arthritis (RA) is a common disease worldwide and is treated commonly with methotrexate (MTX). CS12192 is a novel JAK3 inhibitor discovered by Chipscreen Biosciences for the treatment of autoimmune diseases. In the present study, we examined the therapeutic effect of CS12192 against RA and explored if the combinational therapy of CS12192 and MTX produced a synergistic effect against RA in rat collagen-induced arthritis (CIA). Arthritis was induced in male Sprague-Dawley rats by two intradermal injections of bovine type II collagen (CII) and treated with MTX, CS12192, or the combination of CS12192 and MTX daily for two weeks. Effects of different treatments on arthritis score, X-ray score, pathology, and expression of inflammatory cytokines and biomarkers were examined. We found that treatment with either CS12192 or MTX produced a comparable therapeutic effect on CIA including: (1) significantly lowering the arthritis score, X-ray score, serum levels of rheumatic factor (RF), C-reactive protein (CRP), and anti-nuclear antibodies (ANA); (2) largely alleviating histopathological damage, reducing infiltration of Th17 cells while promoting Treg cells; (3) inhibiting the expression of inflammatory cytokines and chemokines such as IL-1β, TNF-α, IL-6, CCL2, and CXCL1. All these inhibitory effects were further improved by the combinational therapy with MTX and CS12192. Of importance, the combinational treatment also resulted in a marked switching of the Th17 to Treg and the M1 to M2 immune responses in synovial tissues of CIA. Thus, when compared to the monotherapy, the combination treatment with CS12192 and MTX produces a better therapeutic effect against CIA with a greater suppressive effect on T cells and macrophage-mediated joint inflammation.
Keywords: rheumatoid arthritis; methotrexate; CS12192; collagen-induced arthritis; inflammatory mediators rheumatoid arthritis; methotrexate; CS12192; collagen-induced arthritis; inflammatory mediators

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MDPI and ACS Style

Fang, Z.; Hu, Y.; Dai, J.; He, L.; He, J.; Xu, B.; Han, X.; Zhong, F.; Lan, H.; Wang, Q. CS12192, a Novel JAK3/JAK1/TBK1 Inhibitor, Synergistically Enhances the Anti-Inflammation Effect of Methotrexate in a Rat Model of Rheumatoid Arthritis. Int. J. Mol. Sci. 2022, 23, 13394. https://doi.org/10.3390/ijms232113394

AMA Style

Fang Z, Hu Y, Dai J, He L, He J, Xu B, Han X, Zhong F, Lan H, Wang Q. CS12192, a Novel JAK3/JAK1/TBK1 Inhibitor, Synergistically Enhances the Anti-Inflammation Effect of Methotrexate in a Rat Model of Rheumatoid Arthritis. International Journal of Molecular Sciences. 2022; 23(21):13394. https://doi.org/10.3390/ijms232113394

Chicago/Turabian Style

Fang, Zhengyu, Yiping Hu, Jiajing Dai, Lianhua He, Juan He, Bihua Xu, Xinle Han, Fubo Zhong, Huiyao Lan, and Qingwen Wang. 2022. "CS12192, a Novel JAK3/JAK1/TBK1 Inhibitor, Synergistically Enhances the Anti-Inflammation Effect of Methotrexate in a Rat Model of Rheumatoid Arthritis" International Journal of Molecular Sciences 23, no. 21: 13394. https://doi.org/10.3390/ijms232113394

APA Style

Fang, Z., Hu, Y., Dai, J., He, L., He, J., Xu, B., Han, X., Zhong, F., Lan, H., & Wang, Q. (2022). CS12192, a Novel JAK3/JAK1/TBK1 Inhibitor, Synergistically Enhances the Anti-Inflammation Effect of Methotrexate in a Rat Model of Rheumatoid Arthritis. International Journal of Molecular Sciences, 23(21), 13394. https://doi.org/10.3390/ijms232113394

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