Research Articles

Shikonin alleviates collagen-induced arthritis mice by inhibiting M1 macrophage polarization

  • Lianhua HE ,
  • Huijie LUAN ,
  • Qingxia QIN ,
  • Juan HE ,
  • Jian CHEN ,
  • Yiping HU ,
  • Yueming CAI ,
  • Desheng SUN ,
  • Yu SHI ,
  • Qingwen WANG
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  • 1 Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen 518036, China; Shenzhen China Resources Sanjiu Pharmaceutical Trading Co., Ltd., Shenzhen 518029, China
    2 Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen 518036, China. The Key Laboratory of Inflammatory and Immunology Diseases, Shenzhen 518036, China
    3 Department of ultrasound, Peking University Shenzhen Hospital, Shenzhen 518036, China
Prof. WANG Qingwen, Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen 518036, China. wqw_sw@163.com,Telephone: +86-13688802429; +86-13823578405
SHI Yu, Department of Rheumatism and Immunology, Peking University Shenzhen Hospital, Shenzhen 518036, China. shiyu@pkuszh.com;

Received date: 2021-11-13

  Accepted date: 2022-01-21

  Online published: 2022-08-15

Supported by

Role and Mechanism of Ermiao San in the Regulation of Th cell Differentiation by PKC-ɵ in the Treatment of RA(20211333);Role and Mechanism of CD4+T Cell Smad7 Loss in the Pathogenesis of Rheumatoid Arthritis(81974253);Significance of Regulating Glycolytic Metabolism by HK-2 in Dendritic Cell Migration and RA Pathogenesis(81901641);Research on Key Technologies of Intelligent Robot Based on Artificial Intelligence Image Data(GJHZ20200731095208025);Virtual Reality Clinical Application Public Service Platform(XMHT20190104001);Biological Markers in Idiopathic Inflammatory Myopathy and Clinical Significance of Tumorigenesis(SZXJ2017046);Experimental Study on Treatment of Rabbit Rheumatoid Arthritis with Lipidated Methotrexate Microbubbles Combined with Controlled Release by Ultrasonic Irradiation(2018A030313281)

Abstract

OBJECTIVE: To investigate the effects of shikonin (SKN) on M1 and M2 polarization of macrophages both in vitro and in vivo.

METHODS: Collagen-induced arthritis (CIA) in male DBA/1 mice were treated with a dose of 4 mg/kg/day of SKN for 23 d (n = 6/group). The histopathology of inflamed joints in CIA mice was evaluated to test the anti-arthritic effect of SKN. M1/M2 polarization of macrophages induced by lipopolysaccharide (LPS) and interferon (IFN)-γ or interleukin (IL)-4 and IL-13, were used to assess the effect of SKN (0.05, 0.1, and 0.2 μM). The effect of SKN on the protein expression of nitric oxide synthase, arginase, CD68, and CD206 was evaluated using western blot analysis.

RESULTS: The results of this study revealed that SKN delayed the arthritis feet symptom score, reduced the incidence rate of arthritis, and relieved the inflammation of joints in CIA mice. SKN inhibited M1 macrophage polarization but did not affect M2 macrophage polarization in the joints of CIA mice. Moreover, SKN inhibited M1 polarization induced by LPS and IFN-γ, but did not affect M2 polarization induced by IL-4 and IL-13.

CONCLUSION: These findings suggest that SKN alleviated CIA through inhibiting M1 macrophage polarization and has great potential as a new drug for RA treatment.

Cite this article

Lianhua HE , Huijie LUAN , Qingxia QIN , Juan HE , Jian CHEN , Yiping HU , Yueming CAI , Desheng SUN , Yu SHI , Qingwen WANG . Shikonin alleviates collagen-induced arthritis mice by inhibiting M1 macrophage polarization[J]. Journal of Traditional Chinese Medicine, 2022 , 42(6) : 932 -939 . DOI: 10.19852/j.cnki.jtcm.20220815.004

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