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Zhang Q, Yu Y, Li J, Guan Y, Huang J, Wang Z, Zhang Z, Zhang W, Guo J, Li J, Chen J, Zhou Q. Anti-arthritic activities of ethanol extracts of Circaea mollis Sieb. & Zucc. (whole plant) in rodents. J Ethnopharmacol 2018; 225:359-366. [PMID: 29753098 DOI: 10.1016/j.jep.2018.04.051] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/26/2018] [Accepted: 04/28/2018] [Indexed: 05/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Circaea mollis Sieb. & Zucc., a genus of Circaea that follows Onagraceae, has been used for centuries as a folk herb in traditional Chinese medicine (TCM) and Hani Ethnopharmacy for the treatment of joint swelling and pain in rheumatoid arthritis. AIM OF THE STUDY This study was designed to confirm anti-arthritic effects and its underlying mechanism of ethanol extracts of Circaea mollis Sieb. & Zucc. (EEC), which may contribute to provide the pharmacological basis in the treatment of rheumatoid disease. MATERIALS AND METHODS Dimethylbenzene (DMB)-induced inflammatory swelling model, hot-plate pain model in mice and Freund's complete adjuvant (FCA)-induced arthritis model in rats were used to evaluate the anti-arthritis effect of EEC. Arthritis severity was done by measuring inflammatory swelling, pain threshol, paw swelling, arthritis index, body weight, spleen index and thymus index. The levels of TNF-α, IL-1β and IL-10 in sera were measured using ELISA. The pathological change of the ankle joint was also done. Phenolic composition of EEC was analyzed. RESULTS EEC inhibited inflammatory swelling and increased heat-induced pain threshold in mice. Furthermore, EEC significantly alleviated paw swelling and arthritis index, decreasing the spleen index and thymus index. Besides, EEC down-regulated the serum TNF-α and IL-1β, and increased the production of serum IL-10 in FCA-induced rats. Histopathological examination demonstrated that EEC can effectively relieve synovial hyperplasia, control the infiltration of the inflammatory and protect cartilage from destruction. CONCLUSION Our work demonstrated that EEC possessed the potential therapeutic effect against arthritis in rodents which was attributed to modulating proinflammatory cytokines TNF-α, IL-1β and anti-inflammatory factors IL-10. Flavonoids and polyphenols may contribute to the therapeutic effect of EEC on arthritis.
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Affiliation(s)
- Qing Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Yanhong Yu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China; Fifth Hospital in Wuhan, Wuhan 430050, China
| | - Jiajia Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Yeli Guan
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Jiangeng Huang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Zhiping Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Zhen Zhang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Wenrui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Jing Guo
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Jinghua Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Jiachun Chen
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China
| | - Qun Zhou
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
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Pan T, Cheng TF, Jia YR, Li P, Li F. Anti-rheumatoid arthritis effects of traditional Chinese herb couple in adjuvant-induced arthritis in rats. J Ethnopharmacol 2017; 205:1-7. [PMID: 28457902 DOI: 10.1016/j.jep.2017.04.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 04/12/2017] [Accepted: 04/16/2017] [Indexed: 06/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Clematis chinensis Osbeck / Notopterygium incisum Ting ex H, T-Chang (CN) is a traditional Chinese herb couple with prominent efficacy. The herb couple has been commonly used for clinical treatment of arthralgia syndrome ("Bi Zheng" in Chinese) for centuries in China, including rheumatic arthritis, osteoarthritis and gout in modern medicine. AIM OF THE STUDY To evaluate the anti-arthritic effect of CN herb couple in a rat model of rheumatoid arthritis (RA). MATERIALS AND METHODS Rats were divided randomly into six groups with eight each. Adjuvant-induced arthritis (AIA) model was established by intradermal injection of complete Freund's adjuvant (CFA). Rats were treated orally with different dosages of CN (0.7g/kg, 2.1g/kg, 6.3g/kg) from day 16 till day 40. Ibuprofen (50.4mg/kg) served as a positive control. Spontaneous activity, body weight, paw swelling, and arthritis index (AI) were monitored throughout drug treatment. Then serum levels of tumor necrosis factor α (TNF-α), interleukin-6 (IL-6), and vascular endothelial growth factor (VEGF) were determined by enzyme linked immunosorbent assay (ELISA) kits. In addition, histopathological examination and immunohistochemistry were used to assess the severity of arthritis. RESULTS Three dosage of CN significantly ameliorated symptoms of RA via increasing body weight as well as reducing paw swelling (at dose of 6.3g/kg, p<0.01) in AIA rats. An extremely significant reduction of AI (p<0.001) was also observed with treatment of CN (6.3g/kg) compared with model group. In parallel, treatment of CN significantly down-regulated levels of TNF-α, IL-6, and VEGF both in serum (p<0.01) and in joint synovial compared with model rats. And histopathology revealed noticeable reduction in synovial hyperplasia, cartilage damage, and inflammatory infiltration by CN treatment, especially at dose of 6.3g/kg. CONCLUSIONS To conclude, all results suggest that CN possesses evident anti-arthritic effects in AIA rats.
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Affiliation(s)
- Ting Pan
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Tao-Fang Cheng
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China; School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Yu-Ran Jia
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Ping Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China.
| | - Fei Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China.
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