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Xie Y, Mai CT, Zheng DC, He YF, Feng SL, Li YZ, Liu CX, Zhou H, Liu L. Wutou decoction ameliorates experimental rheumatoid arthritis via regulating NF-kB and Nrf2: Integrating efficacy-oriented compatibility of traditional Chinese medicine. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 85:153522. [PMID: 33799223 DOI: 10.1016/j.phymed.2021.153522] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/10/2021] [Accepted: 02/17/2021] [Indexed: 05/15/2023]
Abstract
BACKGROUND Thousands of years of clinical application of Wutou decoction (WTD) support its reliable efficacy and safety in treating rheumatoid arthritis (RA). However, the underlying molecular mechanism remains unclear, and the synergistic involvement of assistant herbs in WTD in enhancing the sovereign herb in treating RA is unknown. PURPOSE This study aimed to investigate the efficacy-oriented compatibility of five herbs in WTD and the underlying mechanisms. METHODS The anti-arthritic effects of WTD and the compatibilities of the five herbs in WTD were studied in vivo with adjuvant-induced arthritis (AIA) rat model and in vitro with LPS-induced RAW264.7 macrophage. Network pharmacology analysis was conducted to identify the dominant pathways involved in the anti-arthritis mechanisms of WTD and how the five herbs work synergistically. The results were further verified by in vivo and in vitro experiments. RESULTS Our data revealed that the five herbs in WTD exert synergistic anti-arthritic effects on RA. Moreover, Radix Aconite (AC) is the principal anti-inflammatory component in WTD according to the extent of therapeutic effects exerted on the AIA rats. In vivo and in vitro experiments demonstrated that WTD inhibited NF-κB phosphorylation and simultaneously increased the expression of Nrf2, which were the major pathways identified by the network pharmacology analysis. The major assistant component, Herba Ephedrae (EP), evidently inhibited NF-κB mediated inflammatory response. The other assistant component, Radix Astragali (AS), considerably enhanced the expression of Nrf2 when used alone or in combination with AC. These combinations improved the anti-arthritis effects on the AIA rats better than that of AC alone. Nevertheless, WTD always achieved the best effects than any combinations both in vivo and in vitro. CONCLUSION The ministerial herbs EP and AS intensify the anti-arthritic effects of AC by regulating the NF-κB-mediated inflammatory pathway and the Nrf2-mediated anti-oxidation pathway which are the major pathways of WTD for alleviating the symptoms of RA.
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Affiliation(s)
- Ying Xie
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Chu-Tian Mai
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Faculty of Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - De-Chong Zheng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Faculty of Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Yu-Fei He
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Sen-Lin Feng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR)
| | - Ya-Zhou Li
- Tianjin Institute of Pharmaceutical Research, New Drug Assessment Co. Ltd, Tianjin, China
| | - Chang-Xiao Liu
- Tianjin Institute of Pharmaceutical Research, New Drug Assessment Co. Ltd, Tianjin, China
| | - Hua Zhou
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Faculty of Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, Macau University of Science and Technology, Taipa, Macau (SAR).
| | - Liang Liu
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Faculty of Chinese Medicines, Macau University of Science and Technology, Taipa, Macau (SAR); Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, Macau University of Science and Technology, Taipa, Macau (SAR).
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Xie Y, Feng SL, Mai CT, Zheng YF, Wang H, Liu ZQ, Zhou H, Liu L. Suppression of up-regulated LXRα by silybin ameliorates experimental rheumatoid arthritis and abnormal lipid metabolism. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 80:153339. [PMID: 33038868 DOI: 10.1016/j.phymed.2020.153339] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 08/21/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND As dysregulation of immunometabolism plays a key role in the immunological diseases, dyslipidemia frequently observed in rheumatoid arthritis (RA) patients (60%) is associated with the disease activity and has been considered as the potential target of anti-inflammatory strategy. However, targeting of metabolic events to develop novel anti-inflammatory therapeutics are far from clear as well as the mechanism of dyslipidemia in RA. PURPOSE To explore the therapeutic potential and mechanisms of silybin again RA through the regulation of lipid metabolism. METHODS Adjuvant-induced arthritis (AIA) rat model was used to examine the effects of silybin on modulating dysregulated lipid metabolism and arthritis. Metabolomics, docking technology, and biochemical methods such as western blots, qRT-PCR, immunofluorescence staining were performed to understanding the underlying mechanisms. Moreover, knock-down of LXRα and LXRα agonist were used on LO2 cell lines to understand the action of silybin. RESULTS We are the first to demonstrate that silybin can ameliorate dyslipidemia and arthritis in AIA rats. Overexpression of LXRα and several key lipogenic enzymes regulated by LXRα, including lipoprotein lipase (LPL), cholesterol 7α and 27α hydroxylase (CYP7A, CYP27A), adipocyte fatty acid-binding protein (aP2/FABP4) and fatty acid translocase (CD36/FAT), were observed in AIA rats, which mostly accounted for dyslipidemia during arthritis development. Metabolomics, docking technology, and biochemical results indicated that anti-arthritis effects of silybin related to suppressing the up-regulated LXRα and abnormal lipid metabolism. Notably, activation of LXRα could potentiate cell inflammatory process induced by LPS through the regulation of NF-κB pathway, however, suppression of LXRα agonism by siRNA or silybin reduced the nuclear translocation of NF-κB as well as the induction of downstream cytokines, indicating LXRα agonism is the important factor for the arthritis development and could be a potential target. CONCLUSION The up-regulation of LXRα can activate lipogenesis enzymes to worsen the inflammatory process in AIA rats as well as the development of dyslipidemia, therefore, rectifying lipid disorder via suppression of LXRα agonism pertains the capacity of drug target, which enables to discover and develop new drugs to treat rheumatoid arthritis with dyslipidaemia.
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Affiliation(s)
- Ying Xie
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR.
| | - Sen-Ling Feng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR
| | - Chu-Tian Mai
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR
| | - Yan-Fang Zheng
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR
| | - Hui Wang
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR
| | - Zhong-Qiu Liu
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P. R. China
| | - Hua Zhou
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR
| | - Liang Liu
- State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Taipa, Macau SAR.
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Song H, Hou X, Zeng M, Chen X, Chen X, Yang T, Xu F, Peng J, Peng Q, Cai X, Yu R. Traditional Chinese Medicine Li-Zhong-Tang accelerates the healing of indomethacin-induced gastric ulcers in rats by affecting TLR-2/MyD88 signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2020; 259:112979. [PMID: 32442585 DOI: 10.1016/j.jep.2020.112979] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 04/25/2020] [Accepted: 05/11/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Li-Zhong-Tang (LZT) is a well-known Chinese herbal formulation first described in one of traditional Chinese medicine (TCM) scriptures, Treatise on Febrile Diseases. LZT has been commonly prescribed for the treatment of various gastrointestinal diseases for over 1800 years, and has demonstrated pronounced therapeutic effects on patients with gastric ulcers. AIM OF THE STUDY The present study aimed to scientifically evaluate protective effects of LZT on indomethacin (IND)-induced gastric injury in rats and to elucidate whether LZT exerts its gastro-protective effects via enhancing mucosal immunity by regulating TLR-2/MyD88 signaling pathway. MATERIAL AND METHODS Gastric ulcers were induced in male Sprague-Dawley (SD) rats with a single oral dose of 150 mg/kg IND. Ulcer index (UI) and curative index (CI) were evaluated. Histopathological examinations were performed and microscopic score (MS) was macroscopically calculated. The volume of gastric juice, free acidity, total acidity, and gastric pH was measured. The gastroprotective and inflammatory biomarkers including levels of nitric oxide (NO), tumor necrosis factor-α (TNF-α), prostaglandin E2 (PGE2), and malondialdehyde (MDA) were determined. Expression levels of TLR-2 and MyD88 mRNA were assessed by qRT-PCR. The expression, distribution, and co-localization of TLR-2 and MyD88 protein were determined by Western blot, immunohistochemistry, and immunofluorescence, respectively. RESULTS Induction of gastric ulcers in rats resulted in very significantly increased UI and elevated volume and acidity of gastric juice, which were markedly attenuated by LZT treatment. Microscopic examinations of the IND-induced gastric ulcers revealed severe gastric hemorrhagic necrosis, submucosal edema, and destruction of epithelial cells, which were significantly attenuated in LZT-treated rats. Moreover, treatment with LZT remarkably increased gastric mucosal levels of PGE2 and NO, and lowered highly elevated levels of TNF-α and MDA in gastric ulcerative rats. Mechanistically, LZT inhibited mRNA and protein expression of TLR-2 and MyD88 and enhanced immune function in gastric mucosa. Immunohistochemical analyses and immunofluorescent detection further confirmed a markedly decreased co-localization of TLR-2 and MyD88 protein in the gastric mucosa of LZT-treated rats as compared to that of gastric ulcerative rats. CONCLUSIONS These findings indicate that LZT alleviates serious gastric mucosal ulcerations induced by IND. Protective effects of LZT on gastric ulcers are believed to be associated with the intensification of the anti-oxidative defense system, mitigation of proinflammatory cytokines, stimulation of the production of cytoprotective mediators, and improvement of the mucosal immunity through TLR-2/MyD88 signaling pathway.
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Affiliation(s)
- Houpan Song
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Xueqin Hou
- Institute of Pharmacology, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai' an, Shandong, 271016, China.
| | - Meiyan Zeng
- Hunan Provincial Key Laboratory of Translational Research in TCM Prescriptions and Zheng, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Xiaojuan Chen
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China; Hunan Provincial Key Laboratory of Translational Research in TCM Prescriptions and Zheng, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Xinyi Chen
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China; Hunan Provincial Key Laboratory of Translational Research in TCM Prescriptions and Zheng, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Tao Yang
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Fuping Xu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510120, China.
| | - Jun Peng
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Qinghua Peng
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Xiong Cai
- Hunan Provincial Key Laboratory of Diagnostic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China; Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
| | - Rong Yu
- Hunan Provincial Key Laboratory of Translational Research in TCM Prescriptions and Zheng, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, China.
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Gautam RK, Gupta G, Sharma S, Hatware K, Patil K, Sharma K, Goyal S, Chellappan DK, Dua K. Rosmarinic acid attenuates inflammation in experimentally induced arthritis in Wistar rats, using Freund's complete adjuvant. Int J Rheum Dis 2019; 22:1247-1254. [PMID: 31155849 DOI: 10.1111/1756-185x.13602] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/09/2019] [Accepted: 04/21/2019] [Indexed: 12/23/2022]
Abstract
AIM The purpose of our investigation is to evaluate the anti-arthritic potential of isolated rosmarinic acid from the rind of Punica granatum. METHOD Rosmarinic acid was isolated by bioactivity-guided isolation from butanolic fraction of Punica granatum and acute toxicity of rosmarinic acid was carried out. The experiment was conducted at doses of 25 and 50 mg/kg, in Freund's complete adjuvant (FCA)-induced arthritic rats. Various parameters, that is arthritic score, paw volume, thickness of paw, hematological, antioxidant and inflammatory parameters such as glutathione (GSH), superoxide dismutase (SOD), malonaldehyde (MDA) and tumor necrosis factor-α (TNF-α) were also estimated. RESULTS Rosmarinic acid significantly decreased the arthritic score, paw volume, joint diameter, white blood cell count and erythrocyte sedimentation rate. It also significantly increased body weight, hemoglobin and red blood cells. The significantly decreased levels of TNF-α were observed in treated groups as compared to arthritic control rats (P < 0.001). At the same time antioxidant parameters (like GSH and SOD) were increased significantly while levels of MDA were significantly decreased (P < 0.001). CONCLUSION The outcome of the present research concludes that rosmarinic acid showed significant anti-arthritic potential in FCA-induced arthritis in Wistar rats. This study represented the therapeutic role of rosmarinic acid from Punica granatum for the management of arthritis/rheumatoid arthritis/osteoarthritis and related inflammatory complications with negligible side effects which was still far from complete mitigation with available conventional medicines.
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Affiliation(s)
- Rupesh Kumar Gautam
- Department of Pharmacology, MM School of Pharmacy, Maharishi Markandeshwar University, Sadopur-Ambala, India
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jaipur, India
| | - Sanjay Sharma
- NMIMS, School of Pharmacy & Technology Management, Shirpur, India
| | - Ketan Hatware
- NMIMS, School of Pharmacy & Technology Management, Shirpur, India
| | - Kiran Patil
- NMIMS, School of Pharmacy & Technology Management, Shirpur, India
| | - Komal Sharma
- Department of Pharmacology, Bhupal Nobles' Institute of Pharmaceutical Sciences, Udaipur, India
| | - Swapnil Goyal
- Department of Pharmacology, Mandsaur Institute of Pharmacy, Mandsaur, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University (IMU), Bukit Jalil, Malaysia
| | - Kamal Dua
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, The University of Newcastle (UoN), Callaghan, NSW, Australia
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney (UTS), Sydney, NSW, Australia
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Yu HH, Lin Y, Zeng R, Li X, Zhang T, Tasneem S, Chen C, Qiu YX, Li B, Liao J, Wang YH, Cai X, Wang W. Analgesic and anti-inflammatory effects and molecular mechanisms of Kadsura heteroclita stems, an anti-arthritic Chinese Tujia ethnomedicinal herb. JOURNAL OF ETHNOPHARMACOLOGY 2019; 238:111902. [PMID: 31018145 DOI: 10.1016/j.jep.2019.111902] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/18/2019] [Accepted: 04/19/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by failure of spontaneous resolution of inflammation. The stem of Kadsura heteroclite (KHS) is a well-known anti-arthritic Tujia ethnomedicinal plant, which named Xuetong in folk, has long been used for the prevention and treatment of rheumatic and arthritic diseases. AIM OF THE STUDY The analgesic and anti-inflammatory effects and the potential mechanisms behind such effects of KHS would be investigated by using different animal models. MATERIALS AND METHODS The abdominal writhing episodes of mice induced by intraperitoneal injection of acetic acid and the tail-flick response induced by radiant heat stimulation were used to evaluate the analgesic effect of KHS. The number of abdominal writhing episodes of mice and the latency of tail-flick in rats were measured and recorded. In acute inflammatory models, the ear edema of mice was induced by applying xylene on the ear surface, while the paw edema of male and female rats was induced by subcutaneous injection of carrageenan into the right hind paws of animals. The carrageenan-induced paw swelling in rats were selected as an anti-acute inflammatory mechanism of KHS. Serum levels of interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor (TNF-α) were measured by ELISA, and protein expression of cyclooxygenase-1 (COX-1), cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) were detected by Western blot. RESULTS The maximal tolerated single dose of KHS was determined to be 26 g/kg in both sexes of mice. Pharmacological studies showed that KHS at the dose of 200 mg/kg significantly prolonged the reaction time of rats to radiant heat stimulation and suppressed abdominal writhing episodes of mice induced by intraperitoneal injection of acetic acid. KHS at the dose of 200, 400, and 800 mg/kg, showed dose-dependent inhibition of xylene-induced ear swelling in mice. KHS at the dose of 100, 200, 400, and 800 mg/kg demonstrated dose- and time-dependent suppression of paw edema induced by subcutaneous injection of carrageenan in both all rats. Mechanistic studies revealed that the anti-inflammatory effect of KHS was associated with inhibition of the production of pro-inflammatory cytokines IL-1β, IL-6, and TNF-α and effectively decreased the expression of COX and iNOS proteins in the carrageenan-injected rat serum, paw tissues and inflammatory exudates. The positive reference drug, rotundine at a dosage of 100 mg/kg and indomethacin at a dosage of 10 mg/kg were used in both mice and rat models. CONCLUSION These results suggested that KHS has significant effects on analgesia and anti-inflammation with decreasing the pro-inflammation cytokines of IL-1β, IL-6, and TNF-α and inhibiting the proteins expression of COX-2 and iNOS.
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Affiliation(s)
- Huang-He Yu
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China; Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Ye Lin
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Rong Zeng
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Xin Li
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Ting Zhang
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Shumaila Tasneem
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Cong Chen
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Yi-Xing Qiu
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Bin Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Jin Liao
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Yu-Hong Wang
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China
| | - Xiong Cai
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China.
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan, 410208, PR China.
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Peng C, Shi QP, Liu JY, Lv YJ, Li J, Yi L, Bai SS, Liu L, Wang PX, Zhou H, Huang KE, Dong Y. Alpha7 nAChR Expression Is Correlated with Arthritis Development and Inhibited by Sinomenine in Adjuvant-Induced Arthritic Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2019; 2019:3759304. [PMID: 31186658 PMCID: PMC6521432 DOI: 10.1155/2019/3759304] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 04/08/2019] [Indexed: 12/19/2022]
Abstract
Sinomenine (SIN) is the active ingredient of the Chinese herb Sinomenium acutum that has been used to treat rheumatoid arthritis (RA) for about 30 years in China. Marked expression of the alpha7 nicotinic acetylcholine receptor (α7nAChR) in the joint synovium of RA patients suggested a relationship between α7nAChR and RA. This study investigated the relationship between α7nAChR and RA development and the effects of SIN on α7nAChR expression in vivo and in vitro. Sprague-Dawley rats were injected with complete Freund's adjuvant to induce arthritis and then treated with SIN or methotrexate (MTX) from day 0 to day 30. Four clinical parameters-paw volume, arthritic index (AI), serum TNF-α concentration, and erythrocyte sedimentation rate (ESR)-were measured. Splenic lymphocytes were isolated for Bacille Calmette Guerin (BCG) stimulation. α7nAChR expression in tissues and cells was examined by RT-PCR, western blot, immunofluorescence, flow cytometry, and immunohistochemistry. Cell proliferation was evaluated by the CCK-8 assay. The relationship between α7nAChR expression and the four clinical parameters was analyzed by single-factor correlation analysis. Our results showed that the paw volume, AI, TNF-α concentration, and ESR in adjuvant-induced arthritic (AIA) rats were reduced by SIN or MTX treatment. SIN decreased α7nAChR expression in tissues and cells compared to the model group, while MTX had no significant effect on α7nAChR expression. Moreover, there was a positive relationship between α7nAChR expression and paw swelling, AI, and TNF-α concentration. Splenic lymphocyte activation was accompanied by increased α7nAChR expression, while SIN treatment inhibited cell activation and downregulated α7nAChR expression. α7nAChR expression showed a positive correlation with the progression of RA in AIA rats that may involve lymphocyte activation. Different from MTX, the inhibition of SIN on α7nAChR expression might contribute to its antiarthritic effect, suggesting that SIN could be an important supplement to the treatment strategy for RA.
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Affiliation(s)
- Chong Peng
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qing-ping Shi
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jia-yan Liu
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yan-jun Lv
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jing Li
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lang Yi
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Sha-sha Bai
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Liang Liu
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau
| | - Pei-xun Wang
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hua Zhou
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau
- International Institute of Translation Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ke-er Huang
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yan Dong
- Department of Immunology, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
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Wang C, Xie Y, Xiang Z, Zhou H, Liu L. Simultaneous determination of thirteen major active compounds in Guanjiekang preparation by UHPLC-QQQ-MS/MS. J Pharm Biomed Anal 2015; 118:315-321. [PMID: 26588049 DOI: 10.1016/j.jpba.2015.10.043] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 10/27/2015] [Accepted: 10/31/2015] [Indexed: 11/19/2022]
Abstract
An ultra high performance liquid chromatography coupled to triple quadrupole mass spectrometry (UHPLC-QQQ-MS/MS) method has been developed to evaluate the quality of a pharmaceutical herbal preparation, Guanjiekang (GJK), through a simultaneous determination of 13 major active compounds with a huge difference in level of content. Chromatographic separation was achieved on a Waters Acquilty UPLC C18 column (2.1 × 100 mm, 1.7 μm) with a mobile phase consisting of acetonitrile and buffer solution (10mM ammonium acetate containing 0.1% acetic acid) under a gradient elution manner. A triple quadrupole mass spectrometer was operated in positive ionization mode with multiple reaction monitoring for the detection of the 13 compounds. All calibration curves showed excellent linear regressions (R(2)>0.999) within the test range. The precision, repeatability and stability of the 13 compounds were below 5.0% in terms of RSD. The recoveries were 99.2-103.9% with RSD of 0.23-3.30% for GJK samples. The method was successfully used for the analysis of samples of GJK preparation and showed that the lowest level was in aconitine (0.582 ± 0.143 ng/g) and the highest was in paeoniflorin (16.80 ± 0.886 mg/g), with a 41800 folds of difference. In conclusion, a rapid, sensitive, precise, accurate, and reliable UHPLC-QQQ-MS/MS method has been developed for the simultaneous detection of 13 active compounds with massive difference in level of content in the pharmaceutical samples of GJK preparation, which can be applied for the quality control of GJK product.
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Affiliation(s)
- Canjian Wang
- State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology), Taipa, Macau, China; Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau, China
| | - Ying Xie
- State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology), Taipa, Macau, China; Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau, China
| | - Zheng Xiang
- State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology), Taipa, Macau, China; Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau, China
| | - Hua Zhou
- State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology), Taipa, Macau, China; Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau, China; Macau Institute for Applied Research in Medicine and Health, Taipa, Macau, China.
| | - Liang Liu
- State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology), Taipa, Macau, China; Faculty of Chinese Medicine, Macau University of Science and Technology, Taipa, Macau, China; Macau Institute for Applied Research in Medicine and Health, Taipa, Macau, China.
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Eyong KO, Foyet HS, Baïrys G, Ngosong Folefoc G, Acha Asongalem E, Lagojda A, Lamshöft M. A new ursane triterpenoic acid and other potential anti-inflammatory and anti-arthritic constituents from EtOAc extracts of Vitellaria paradoxa stem bark. JOURNAL OF ETHNOPHARMACOLOGY 2015; 174:277-286. [PMID: 26297841 DOI: 10.1016/j.jep.2015.08.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 08/14/2015] [Accepted: 08/17/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVE Vitellaria paradoxa (shea tree) is used in traditional medicine for the treatment of various ailments, including, inflammation and fever. Therefore the present research investigates the anti-inflammatory and anti-rheumatic effects of V. paradoxa stem bark extracts in rats and the isolation and characterization of its active constituents. METHODS The anti-inflammatory activity of ethyl acetate extract of V. Paradoxa (VPEE) was evaluated by use of the carrageenan-induced paw oedema model in rats. Moreover, rheumatoid arthritis (RA) was induced by injection of Freund's Completed Adjuvant (FCA) into the subplantar surface of the hind paw of the male Wistar rats. Paw volume was measured plethysmometrically. Joint swelling was measured using electronic vernier caliper. Hot plate test was used to assess the effect of VPEE on hyperalgesia while open field was used to assess the locomotors activity. The relative weight of spleen, liver and thymus was obtained as well as some haematological parameters. Tibiotarsal joint was extracted for histopathology under light microscope. Chemical analysis was carried out by high resolution mass spectrometry and one and two-dimensional NMR techniques. RESULTS LC-MS analysis of the EtOAc extract revealed the presence of a new triterpenoid and several known compounds. The structure of the novel compound was elucidated by means of LC-MS and selected 1D and 2D-NMR experiments. The biological effects of ethyl acetate (VPEE), methanol (VPME) and water extracts (VPAE) of V. paradoxa were tested on carrageenan model of acute inflammation and FCA-induced rheumatoid arthritis animal model. In the carrageenan-induced inflammation, VPEE (150 mg/kg) significant (66.67%) inhibited the first (after 1h) and the second phase (4-6h) of edema formation. On the Complete Freund's adjuvant-induced rheumatoid arthritis, VPEE at the same dose showed a significantly protective effect. On days 19-28th of treatment, the maximum inflammatory percentage was between 9.60 and 8.91% for the VPEE compared to 30.91-24.29% for the controls. All the extracts significantly reduced the score of arthritis but the maximal reduction was obtained with the VPEE on day 24th of the experimentation. The altered haematological parameters in the arthritic rats were significantly recovered to near normal by the treatment with VPEE at the dose of 150 mg/kg. Further histological studies revealed the anti-arthritic activity by preventing cartilage destruction of the arthritic joints of adjuvant arthritic rats. The spleen hypertrophy induced by the FCA was also significantly inhibited. CONCLUSION These findings provide pharmacological basis for the application of the VPEE in inflammatory disorders.
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Affiliation(s)
- Kenneth Oben Eyong
- Department of Organic Chemistry, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
| | - Harquin Simplice Foyet
- Department of Biological Sciences, Faculty of Science, University of Maroua, P.O. Box 46, Maroua, Cameroon
| | - Guerisson Baïrys
- Department of Organic Chemistry, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
| | | | - Emanuel Acha Asongalem
- Department of Biomedical Science, Faculty of Health Sciences, University of Buea, P.O. Box 63, Buea, Cameroon
| | | | - Marc Lamshöft
- Bayer CropScience Aktiengesellschaft, Monheim, Germany.
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Ramadan G, El-Beih NM, Talaat RM, Abd El-Ghffar EA. Anti-inflammatory activity of green versus black tea aqueous extract in a rat model of human rheumatoid arthritis. Int J Rheum Dis 2015; 20:203-213. [PMID: 25964045 DOI: 10.1111/1756-185x.12666] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
AIM Recently, there has been an increasing interest in tea (Camellia sinensis) as a protective agent against inflammatory diseases. Here, we evaluated/compared the anti-inflammatory activity of two different doses (0.5 and 1.0 g/kg body weight) of green tea aqueous extract (GTE, rich in catechins) and black tea aqueous extract (BTE, rich in theaflavins and thearubigins) in rat adjuvant-induced arthritis (AIA). METHODS Adjuvant-induced arthritis rat model received orally/daily distilled water as vehicle, indomethacin (1.0 mg/kg body weight; a non-steroidal/anti-inflammatory drug), or tea aqueous extracts (for 28 or 14 consecutive days starting from day 0 or 14 of arthritis induction, respectively). RESULTS The present study showed that only the high dose of GTE (from day 0) significantly alleviated (P < 0.05-0.001) all complications shown in arthritic rats, including synovial joint inflammation, elevation in erythrocyte sedimentation rate, blood leukocytosis (due to lymphocytosis and neutrocytosis), and changes in weight/cellularity of lymphoid organs. The anti-arthritic activity of the high dose of GTE (from day 0) was comparable (P > 0.05) with that of indomethacin (12.9-53.8 vs. 9.5-48.4%, respectively) and mediated by significantly decreasing and down-regulating (P < 0.001) the systemic production of pro-inflammatory cytokines and the expression of chemokine receptor-5 in synovial tissues, respectively. Moreover, the anti-arthritic activity of tea aqueous extracts was in the following order: high dose of GTE > low dose of GTE ≥ high dose of BTE > low dose of BTE. CONCLUSION The present study proved the anti-inflammatory activity of GTE over BTE and equal to that of indomethacin in AIA rat model.
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Affiliation(s)
- Gamal Ramadan
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Nadia M El-Beih
- Zoology Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Roba M Talaat
- Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), Sadat City University, Sadat City, Egypt
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Anti-arthritic activity of Barleria prionitis Linn. leaves in acute and chronic models in Sprague Dawley rats. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.bfopcu.2014.07.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Investigation of antiarthritic potential of Plumeria alba L. leaves in acute and chronic models of arthritis. BIOMED RESEARCH INTERNATIONAL 2014; 2014:474616. [PMID: 25025056 PMCID: PMC4082847 DOI: 10.1155/2014/474616] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 05/18/2014] [Indexed: 12/14/2022]
Abstract
Aim. The present investigation was designed to evaluate antiarthritic potential of fractions of hydroalcoholic extract from leaves of P. alba. Materials and Methods. Plumeria alba L. leaves were extracted with hydroalcohol (30 : 70) to obtain hydroalcoholic extract of P. alba. This extract was further fractionated with solvents ethyl acetate and n-butanol to obtain EAPA and BPA, respectively. These fractions were tested against formaldehyde and Freund's complete adjuvant (FCA) induced arthritis. Arthritis assessment, paw volume, body weight, motor incoordination, and nociceptive threshold were measured. On day 21, the animals were sacrificed and histopathology was done. Results. The 100 and 200 mg/kg doses of EAPA and BPA caused a significant (P ≤ 0.05–0.01) reduction in paw swelling in both models. Erythrocyte sedimentation rate (ESR) and spleen weight decreased significantly (P < 0.01) in arthritic rats treated with extracts. There was significant (P < 0.05) improvement in thymus weight in EAPA treated rats whereas significant (P < 0.01) improvement was also seen in haemoglobin level (Hb) in diclofenac treated group. Motor incoordination and nociceptive threshold were also significantly (P ≤ 0.05–0.01) improved. Conclusion. The present study suggests that Plumeria alba L. has protective activity against arthritis and supports the traditional use of P. alba for rheumatism and other inflammatory diseases.
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Bandawane D, Beautikumari S, Gate S, Patel A. Evaluation of anti-arthritic activity of ethyl acetate fraction of Cassia auriculata Linn. leaves. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.biomag.2013.10.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Xie Y, Jiang ZH, Zhou H, Ma WZ, Wong YF, Liu ZQ, Liu L. The pharmacokinetic study of sinomenine, paeoniflorin and paeonol in rats after oral administration of a herbal product Qingfu Guanjiesu capsule by HPLC. Biomed Chromatogr 2014; 28:1294-302. [DOI: 10.1002/bmc.3165] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 01/06/2014] [Accepted: 01/17/2014] [Indexed: 01/25/2023]
Affiliation(s)
- Ying Xie
- State Key Laboratory for Quality Research of Chinese Medicines; Macau University of Science and Technology; Avenida Wai Long, Taipa Macau
| | - Zhi-Hong Jiang
- State Key Laboratory for Quality Research of Chinese Medicines; Macau University of Science and Technology; Avenida Wai Long, Taipa Macau
| | - Hua Zhou
- State Key Laboratory for Quality Research of Chinese Medicines; Macau University of Science and Technology; Avenida Wai Long, Taipa Macau
| | - Wen-Zhe Ma
- State Key Laboratory for Quality Research of Chinese Medicines; Macau University of Science and Technology; Avenida Wai Long, Taipa Macau
| | - Yuen-Fan Wong
- School of Chinese Medicine; Hong Kong Baptist University; Kowloon Tong Hong Kong
| | - Zhong-Qiu Liu
- School of Pharmacy; Southern Medical University; Guangzhou China
| | - Liang Liu
- State Key Laboratory for Quality Research of Chinese Medicines; Macau University of Science and Technology; Avenida Wai Long, Taipa Macau
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Zhong Y, Dai F, Deng H, Du M, Zhang X, Liu Q, Zhang X. A rheumatoid arthritis magnetic resonance imaging contrast agent based on folic acid conjugated PEG-b-PAA@SPION. J Mater Chem B 2014; 2:2938-2946. [DOI: 10.1039/c4tb00085d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
FA-PEG-b-PAA@SPPION offers a unique contrast ability for MRI of rheumatoid arthritis.
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Affiliation(s)
- Yanqi Zhong
- National Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing, PR China
- University of Chinese Academy of Sciences
| | - Fengying Dai
- National Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing, PR China
| | - Heng Deng
- National Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing, PR China
- University of Chinese Academy of Sciences
| | - Meihong Du
- Beijing Center for Physical and Chemical Analysis
- Beijing, PR China
| | | | - Qingjun Liu
- Beijing Center for Physical and Chemical Analysis
- Beijing, PR China
| | - Xin Zhang
- National Key Laboratory of Biochemical Engineering
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing, PR China
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Mediators of inflammation-induced bone damage in arthritis and their control by herbal products. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:518094. [PMID: 23476694 PMCID: PMC3582100 DOI: 10.1155/2013/518094] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Revised: 12/06/2012] [Accepted: 12/10/2012] [Indexed: 12/17/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic inflammation of the synovial joints leading to bone and cartilage damage. Untreated inflammatory arthritis can result in severe deformities and disability. The use of anti-inflammatory agents and biologics has been the mainstay of treatment of RA. However, the prolonged use of such agents may lead to severe adverse reactions. In addition, many of these drugs are quite expensive. These limitations have necessitated the search for newer therapeutic agents for RA. Natural plant products offer a promising resource for potential antiarthritic agents. We describe here the cellular and soluble mediators of inflammation-induced bone damage (osteoimmunology) in arthritis. We also elaborate upon various herbal products that possess antiarthritic activity, particularly mentioning the specific target molecules. As the use of natural product supplements by RA patients is increasing, this paper presents timely and useful information about the mechanism of action of promising herbal products that can inhibit the progression of inflammation and bone damage in the course of arthritis.
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The Predicted Proteomic Network Associated with the Antiarthritic Action of Qingfu Guanjieshu in Collagen-II-Induced Arthritis in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:582493. [PMID: 23781264 PMCID: PMC3678439 DOI: 10.1155/2013/582493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 04/23/2013] [Indexed: 11/25/2022]
Abstract
Qingfu Guanjieshu (QFGJS) is an herbal preparation for treating rheumatoid arthritis (RA). Previous studies revealed that QFGJS significantly inhibited experimental arthritis and acute inflammation, accompanied by reduction of proinflammatory cytokines and elevation of anti-inflammatory cytokines. This study aims to identify the targeted proteins and predict the proteomic network associated with the drug action of QFGJS by using 2D gel and MALDI-TOF-MS/MS techniques. Thirty female Wistar rats were evenly grouped as normal and vehicle- and QFGJS-treated CIA rats. The antiarthritic effect of QFGJS was examined with a 19-day treatment course, and the knee synovial tissues of animals from each group were obtained for 2D gel and MALDI-TOF-MS/MS analysis. Results showed that QFGJS significantly ameliorated collagen II-induced arthritis when administrated at 2.8 g/kg body weight for 19 days. 2D gel image analysis revealed 89 differentially expressed proteins in the synovial tissues among the normal and vehicle- and QFGJS-treated CIA rats from over 1000 proteins of which 63 proteins were identified by MALDI-TOF-MS/MS analysis, and 32 proteins were included for classification of functions using Gene Ontology (GO) method. Finally, 14 proteins were analyzed using bioinformatics, and a predicted proteomic network related to the anti-arthritic effect of QFGJS was established, and Pgk1 plays a central role.
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Analgesic, anti-inflammatory and anti-arthritic activity of Cassia uniflora Mill. Asian Pac J Trop Biomed 2012. [DOI: 10.1016/s2221-1691(12)60345-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Chaudhari SS, Chaudhari SR, Chavan MJ. Analgesic, anti-inflammatory and anti-arthritic activity of Cassia uniflora Mill. Asian Pac J Trop Biomed 2012. [DOI: 10.1016/s2221-1691(12)60155-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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Anti-inflammatory effects of Aesculus hippocastanum L. tincture and the pro-/antioxidant bodily state of rats with adjuvant arthritis. Acta Med Litu 2011. [DOI: 10.2478/v10140-010-0016-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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20
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Yang M, Xiao C, Wu Q, Niu M, Yao Q, Li K, Chen Y, Shi C, Chen D, Feng G, Xia C. Anti-inflammatory effect of Sanshuibaihu decoction may be associated with nuclear factor-kappa B and p38 MAPK alpha in collagen-induced arthritis in rat. JOURNAL OF ETHNOPHARMACOLOGY 2010; 127:264-273. [PMID: 19914365 DOI: 10.1016/j.jep.2009.11.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2009] [Revised: 10/19/2009] [Accepted: 11/08/2009] [Indexed: 05/28/2023]
Abstract
Sanshuibaihu decoction (SSBH) is an anti-arthritic Chinese herbal formula which has been used in the treatment of rheumatoid arthritis (RA) for many years. We herein aimed to confirm its anti-arthritic effect and explore the potential mechanism of action on collagen-induced arthritis (CIA) in rats. CIA was induced by immunizing 50 female Wistar rats with bovine type II collagen. 13 days following the immunization rats with CIA were treated with SSBH (50mg/kg), leflunomide (LEF) (10mg/kg) and physiological saline for 30 days, and rats without CIA were left untreated. After the treatment, paw edema was obviously improved in SSBH-treated rats, with the significant difference of arthritis score (F=6.032, P=0.006) observed between the three treated groups. In pathological observation, SSBH-treated rats showed a significant improvement of inflammatory infiltration, synovial hyperplasia, cartilage and bone destruction and joint fusion. After the treatment of SSBH, radiological score of knee (t=11.504, P=0.000) and ankle joints (t=9.250, P=0.000) was decreased significantly. In situ hybridization on joint tissue section indicated only slight synovial hyperblastosis and expression of NF-kappaB in SSBH-treated rats. Image analysis indicated a significant difference of means of integrated optical density (MIOD) (F=3.956, P=0.040) and means of stained area (MSA) (F=3.867, P=0.032) of NF-kappaB between the three treated groups. MIOD and MSA of SSBH-treated group were significantly lower vs control. Enzyme linked immunosorbent assay (ELISA) showed a significant difference (F=10.167, P=0.000) of the amount of p-p38 MAPKalpha in the three treated groups. The detected amount of p-p38 MAPKalpha in SSBH-treated group was significantly lower vs control. These results show SSBH has an inhibiting effect on CIA, which may be associated with NF-kappaB and p38 MAPKalpha.
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Affiliation(s)
- Min Yang
- Department of Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, 510515 Guangzhou, Guangdong Province, PR China
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Burns JJ, Zhao L, Taylor EW, Spelman K. The influence of traditional herbal formulas on cytokine activity. Toxicology 2009; 278:140-59. [PMID: 19818374 DOI: 10.1016/j.tox.2009.09.020] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2009] [Revised: 09/24/2009] [Accepted: 09/29/2009] [Indexed: 11/25/2022]
Abstract
Many of the botanical "immunomodulators", a class of herbal medicines widely recognized in traditional medical systems such as Chinese Medicine (TCM) and Ayurvedic Medicine, alter immune function and may offer clinically relevant therapeutics or leads to therapeutics. Many of these traditional remedies are prepared from combinations of medicinal plants which may influence numerous molecular pathways. These effects may differ from the sum of effects from the individual plants and therefore, research demonstrating the effects of the formula is crucial for insights into the effects of traditional remedies. In this review we surveyed the primary literature for research that focused on combinations of medicinal plants and effects on cytokine activity. The results demonstrate that many extracts of herb mixtures have effects on at least one cytokine. The most commonly studies cytokines were IL-4, IL-6, IL-10, TNF and IFN-γ. The majority of the formulas researched derived from TCM. The following formulas had activity on at least three cytokines; Chizukit N, CKBM, Daeganghwal-tang, Food Allergy Formula, Gamcho-Sasim-Tang, Hachimi-jio-gan, Herbkines, Hochuekki, Immune System Formula, Jeo-Dang-Tang, Juzen-taiho-to, Kakkon-to, Kan jang, Mao-Bushi-Saishin-to, MSSM-002, Ninjin-youei-to, PG201, Protec, Qing-huo-bai-du-yin, Qingfu Guanjieshu, Sambucol Active Defense, Seng-fu-tang, Shin-Xiao-Xiang, Tien Hsien, Thuja formula, Unkei-to, Vigconic, Wheeze-relief-formula, Xia-Bai-San, Yangyuk-Sanhwa-Tang, Yi-fey Ruenn-hou, and Yuldahansotang. Of the western based combinations, formulas with Echinacea spp. were common and showed multiple activities. Numerous formulas demonstrated activity on both gene and protein expression. The research demonstrates that the reviewed botanical formulas modulate cytokine activity, although the bulk of the research is in vitro. Therapeutic success using these formulas may be partially due to their effects on cytokines. Further study of phytotherapy on cytokine related diseases/syndromes is necessary.
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Affiliation(s)
- J J Burns
- Pinnacle Integrative Medicine, Phoenix, AZ, USA
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Luo Y, Chen G, Li B, Ji B, Xiao Z, Yi G, Tian F. Dietary Intervention with AHP, a Functional Formula Diet, Improves Both Serum and Hepatic Lipids Profile in Dyslipidemia Mice. J Food Sci 2009; 74:H189-95. [DOI: 10.1111/j.1750-3841.2009.01241.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Li S, Han Q, Qiao C, Song J, Lung Cheng C, Xu H. Chemical markers for the quality control of herbal medicines: an overview. Chin Med 2008; 3:7. [PMID: 18588699 PMCID: PMC2488332 DOI: 10.1186/1749-8546-3-7] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2008] [Accepted: 06/28/2008] [Indexed: 11/12/2022] Open
Abstract
Selection of chemical markers is crucial for the quality control of herbal medicines, including authentication of genuine species, harvesting the best quality raw materials, evaluation of post-harvesting handling, assessment of intermediates and finished products, and detection of harmful or toxic ingredients. Ideal chemical markers should be the therapeutic components of herbal medicines. However, for most herbal medicines, the therapeutic components have not been fully elucidated or easily monitored. Bioactive, characteristic, main, synergistic, correlative, toxic and general components may be selected. This article reviews the effective use of chemical markers in the quality control of herbal medicines including the selection criteria considering the roles and physicochemical factors which may affect the effective use of chemical markers.
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Affiliation(s)
- Songlin Li
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
| | - Quanbin Han
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
| | - Chunfeng Qiao
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
| | - Jingzheng Song
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
| | - Chuen Lung Cheng
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
| | - Hongxi Xu
- Chinese Medicine Laboratory, Hong Kong Jockey Club Institute of Chinese Medicine, Hong Kong SAR, PR China
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Wong YF, Zhou H, Wang JR, Xie Y, Xu HX, Liu L. Anti-inflammatory and analgesic effects and molecular mechanisms of JCICM-6, a purified extract derived from an anti-arthritic Chinese herbal formula. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2008; 15:416-426. [PMID: 18424100 DOI: 10.1016/j.phymed.2008.02.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2007] [Revised: 01/08/2008] [Accepted: 02/27/2008] [Indexed: 05/26/2023]
Abstract
The anti-inflammatory and anti-nociceptive effects and the molecular mechanisms of JCICM-6, a purified extract derived from an anti-arthritic Chinese herbal formula composed of Caulis Sinomenii, Aconiti laterralis Preparata, Rhizoma Curcumae longae, Radix Paeoniae albae, and Cortex Moutan, were examined for the first time. JCICM-6 was prepared using pharmaceutical extraction technology, purified by Amberlite XAD-7HP polymeric resin. Pharmacologically, in carrageenan-induced edema and carrageenan-evoked thermal hyperalgesia in paws of rats, the oral administration of JCICM-6 at dosages of 0.4, 0.8, and 1.6g/kg demonstrated significant inhibition with a dose-dependent manner. Mechanistic studies showed that JCICM-6 effectively decreased the production of the pro-inflammatory cytokines of IL-6 and IL-1beta and expression of COX-2 and iNOS proteins, and simultaneously elevated the level of anti-inflammatory cytokine IL-4 in the carrageenan-injected rat paw tissues and exudates. The positive reference drug, indomethacin at a dosage of 10mg/kg, demonstrated inhibitory potency in both rat models, but it could not augment the production of IL-4, indicating JCICM-6 and indomethacin might possess different pharmacological properties and molecular mechanisms although both have anti-inflammatory and analgesic effects in rats. These results suggest that JCICM-6 would be a valuable candidate for further investigation as a new anti-arthritic drug.
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Affiliation(s)
- Y F Wong
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
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Xie Y, Zhou H, Wong YF, Liu Z, Xu H, Jiang Z, Liu L. An optimized high-performance liquid chromatography (HPLC) method for benzoylmesaconine determination in Radix Aconiti Lateralis Preparata (Fuzi, aconite roots) and its products. Chin Med 2008; 3:6. [PMID: 18513409 PMCID: PMC2430698 DOI: 10.1186/1749-8546-3-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2006] [Accepted: 05/30/2008] [Indexed: 11/21/2022] Open
Abstract
Background Benzoylmesaconine (BMA) is the main Aconitum alkaloid in Radix Aconiti Lateralis Preparata (Fuzi, aconite roots) with potent pharmacological activities, such as analgesia and anti-inflammation. The present study developed a simple and reliable method using BMA as a marker compound for the quality control of processed aconite roots and their products. Methods After extraction, a high-performance liquid chromatography (HPLC) determination of BMA was conducted on a RP-C18 column by gradient elution with acetonitrile and aqueous phase, containing 0.1% phosphoric acid adjusted with triethylamine to pH 3.0. Results A distinct peak profile was obtained and separation of BMA was achieved. Method validation showed that the relative standard deviations (RSDs) of the precision of BMA in all intra-day and inter-day assays were less than 1.36%, and that the average recovery rate was 96.95%. Quantitative analysis of BMA showed that the content of BMA varied significantly in processed aconite roots and their products. Conclusion This HPLC method using BMA as a marker compound is applicable to the quality control of processed aconite roots and their products.
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Affiliation(s)
- Ying Xie
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, PR China.
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Study on the pharmacokinetics and metabolism of paeonol in rats treated with pure paeonol and an herbal preparation containing paeonol by using HPLC-DAD-MS method. J Pharm Biomed Anal 2007; 46:748-56. [PMID: 18215489 DOI: 10.1016/j.jpba.2007.11.046] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2007] [Revised: 11/22/2007] [Accepted: 11/26/2007] [Indexed: 11/22/2022]
Abstract
Paeonol, a principal bioactive component of the Chinese herb Moutan Cortex with anti-inflammatory and analgesic effects, was comparatively studied to determine its pharmacokinetic behavior and metabolic profile in rat following oral administration of the pure paeonol alone and an herbal preparation "Qingfu Guanjieshu" (QFGJS) containing paeonol. An HPLC-DAD method was developed and validated for determining the concentration of paeonol in rat plasma. The in vivo time curves and AUC of paeonol at three doses were increased in a dose-dependent manner, while the pharmacokinetic parameters of paeonol in QFGJS at a comparable dosage were significantly elevated in comparison with those of pure paeonol. By using LC-Q/TOF-MS technique, four metabolites of paeonol were identified in plasma at 5min after dosing, with T(max) around 20min after treatment with the pure paeonol or QFGJS. Interestingly, relative concentrations of metabolites P2, P3 and P5 were markedly increased in plasma of rats treated with QFGJS compared with those of pure paeonol. These results indicate that other components in QFGJS could effectively influence the pharmacokinetic behavior and metabolic profile of paeonol in rats. The current studies emphasize the significance of the research toward an understanding of pharmacokinetic interactions of the co-existing components in the herbal preparations.
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Cai X, Zhou H, Wong YF, Xie Y, Liu ZQ, Jiang ZH, Bian ZX, Xu HX, Liu L. Suppression of the onset and progression of collagen-induced arthritis in rats by QFGJS, a preparation from an anti-arthritic Chinese herbal formula. JOURNAL OF ETHNOPHARMACOLOGY 2007; 110:39-48. [PMID: 17049776 DOI: 10.1016/j.jep.2006.09.008] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2005] [Revised: 08/21/2006] [Accepted: 09/02/2006] [Indexed: 05/12/2023]
Abstract
QFGJS is an herbal preparation, and its pronounced effectiveness in treating adjuvant-induced arthritis (AIA) has been previously demonstrated. We herein aimed to confirm its anti-arthritic effect on collagen-induced arthritis (CIA) in rats. CIA was established in female Wistar rats with intradermal injection of type II bovine collagen at the base of the tail of animals. CIA rats were treated daily with oral administration of different doses of QFGJS beginning on the day of the induction of arthritis (day 0, the prophylactic treatment) or on the day after the onset of arthritis (day 13, the therapeutic treatment) until day 30. The results showed that prophylactic treatment with QFGJS significantly suppressed the onset of arthritis, and therapeutic treatment with QFGJS markedly reduced paw swelling and ESR levels even in the established CIA. Radiologic and histopathologic changes in the arthritic joints were also significantly reduced in the QFGJS-treated versus vehicle-treated rats. Moreover, the serum levels of pro-inflammatory cytokines TNF-alpha, IL-1beta, and IL-6 were markedly lowered in the QFGJS-treated rats. Hence, our studies demonstrate the quality, safety, and effectiveness of QFGJS as an anti-arthritic agent, which makes QFGJS a strong candidate for further clinical trials on rheumatoid arthritis (RA) patients.
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Affiliation(s)
- Xiong Cai
- Research and Development Division, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, China
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Rasool M, Sabina EP, Lavanya B. Anti-inflammatory effect of Spirulina fusiformis on adjuvant-induced arthritis in mice. Biol Pharm Bull 2007; 29:2483-7. [PMID: 17142986 DOI: 10.1248/bpb.29.2483] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present study was carried out to evaluate the anti-inflammatory effect of Spirulina fusiformis on adjuvant-induced arthritis in mice. Arthritis was induced by intra dermal injection of complete freund's adjuvant (0.1 ml) into the right hind paw of Swiss albino mice. Spirulina fusiformis (800 mg/kg/b.wt) was orally administered for 8 d (from 11th to 18th day) to arthritic animals after adjuvant injection. The anti-inflammatory activity of Spirulina fusiformis was assessed by measuring paw volume, body weight, levels of lysosomal enzymes, tissue marker enzymes and glycoproteins in control and experimental animals. In adjuvant-induced arthritic animals, the levels of lysosomal enzymes, tissue marker enzymes, glycoproteins and the paw volume were increased significantly. However the body weight was found to be reduced when compared to control animals. Oral administration of Spirulina fusiformis (800 mg/kg/b.wt) significantly altered these above physical and biochemical changes observed in arthritic animals to near normal conditions. Hence results of this study clearly indicate that Spirulina fusiformis has promising anti-inflammatory activity against adjuvant-induced arthritic animals.
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Affiliation(s)
- Mahaboobkhan Rasool
- School of Bio-engineering and Biosciences, Vellore Institute of Technology, Deemed University, Tamilnadu, India.
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Xie Y, Jiang ZH, Zhou H, Cai X, Wong YF, Liu ZQ, Bian ZX, Xu HX, Liu L. Combinative method using HPLC quantitative and qualitative analyses for quality consistency assessment of a herbal medicinal preparation. J Pharm Biomed Anal 2007; 43:204-12. [PMID: 16920317 DOI: 10.1016/j.jpba.2006.07.008] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2006] [Revised: 06/28/2006] [Accepted: 07/01/2006] [Indexed: 11/16/2022]
Abstract
A selective and efficient quality consistency assessment system was developed for monitoring the manufacturing processes of a Chinese herbal preparation, qingfu guanjieshu (QFGJS) capsule, and for assessing its stability over time. This system is based on quantitative determination of four marker compounds, i.e., sinomenine, paeoniflorin, paeonol, and curcumin, and on qualitative fingerprinting analysis of QFGJS using high-performance liquid chromatography-photodiode array detection (HPLC-DAD) method. The separation was performed on a Phenomenex ODS column by gradient elution with acetonitrile and aqueous phase (containing 0.1% phosphoric acid, adjusted with triethylamine to pH 3.5+/-0.2) at a flow-rate of 1.0 ml/min. In fingerprinting analysis, the chemical characteristics of four herbs present in QFGJS (excluding radix Aconiti Lateralis Preparata) were present in the HPLC chromatographic file. In addition, quantitative determination of hypaconitine was carried out with our published HPLC method as a supplement for quality control of the radix Aconiti Lateralis Preparata in QFGJS. The results showed that the contents of these five marker compounds and HPLC fingerprint profiles of three batches of QFGJS products collected at 3 months after production in the stability testing were relatively consistent. This well-developed method could be used for quality assessment of the complex preparations of herbal medicine.
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Affiliation(s)
- Ying Xie
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
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31
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Cai X, Wong YF, Zhou H, Xie Y, Liu ZQ, Jiang ZH, Bian ZX, Xu HX, Liu L. The comparative study of Sprague-Dawley and Lewis rats in adjuvant-induced arthritis. Naunyn Schmiedebergs Arch Pharmacol 2006; 373:140-7. [PMID: 16703402 DOI: 10.1007/s00210-006-0062-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2006] [Accepted: 03/13/2006] [Indexed: 12/18/2022]
Abstract
The outbred Sprague-Dawley (SD) rats, similar to the inbred Lewis (LEW) rats, have been recently demonstrated to be highly susceptible to adjuvant-induced arthritis (AIA). We herein compared AIA in SD and LEW rats in terms of clinical, histological, radiological, and immuno-inflammatory features. The results showed that, following inoculation with a ground Mycobacterium tuberculosis (MT) suspension, SD and LEW rats manifested closely similar disease progression, with 100% incidence and similar severity. The development of arthritis was accompanied by significantly higher erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) levels than in control rats. Radiographic examination of the hind paws showed that both SD and LEW AIA rats manifested conspicuous soft tissue swelling, bone matrix resorption, periosteal new bone formation and bone erosion, while histopathological analysis of the synovial joints revealed marked cellular infiltration, angiogenesis, synovial hyperplasia, pannus formation, narrowing of joint space, and cartilage and bone destruction. Moreover, in relation to disease progression, serum tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta), and IL-6 levels were markedly overexpressed in both SD and LEW AIA versus control rats, and SD and LEW AIA rats exhibited divergent profiles for the expression of TNF-alpha and IL-1beta. Taken together, these results demonstrated that the SD rat AIA model shares several arthritic features with the comparable model in LEW rats. Hence, given the more favorable characteristics of SD rats than LEW rats (i.e., lower cost, wider availability, and heterogenic background), this SD rat AIA model is more cost effective and advantageous for screening and testing novel anti-arthritic agents.
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Affiliation(s)
- X Cai
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, People's Republic of China
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Zhou H, Wong YF, Cai X, Liu ZQ, Jiang ZH, Bian ZX, Xu HX, Liu L. Suppressive Effects of JCICM-6, the Extract of an Anti-arthritic Herbal Formula, on the Experimental Inflammatory and Nociceptive Models in Rodents. Biol Pharm Bull 2006; 29:253-60. [PMID: 16462027 DOI: 10.1248/bpb.29.253] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
JCICM-6, the extract of an anti-arthritic herbal formula composed of medicinal herbs of Sinomenium acutum, Aconitum carmichaeli DEBX., Curcuma Longa L., Paeonia lactiflora PALL., and Paeonia suffruticosa ANDR., was examined in the effectiveness and mechanism in reducing experimentally-induced inflammation and nociception using nine animal models. JCICM-6 was extracted from herbs and purified with Amberlite XAD-7HP adsorbent resin and analyzed with HPLC-fingerprint for quality consistency. In acute inflammatory models, the paw edema of rats was induced by subcutaneous injection of carrageenan or pro-inflammatory mediators, including histamine, serotonin, bradykinin, and prostaglandin E(2) (PGE(2)) into the right hind paws of animals; while the ear edema of mice was induced by applying arachidonic acid or 12-O-tetradecanoylphorbol 13-acetate (TPA) on the ear surface. In nociceptive models, the tail-flick response induced by radiant heat stimulation was measured and the numbers of abdominal writhing episodes of mice induced by intraperitoneal injection of acetic acid were recorded. JCICM-6 orally administered in a range of dosages from 0.438 g to 1.75 g/kg significantly and dose-dependently suppressed the paw edema of rats induced by carrageenan or various pro-inflammatory mediators and the ear edema of mice induced by arachidonic acid or TPA. JCICM-6 also significantly prolonged the reaction time of rats to radiant heat stimulation and reduced the numbers of writhing episodes of mice. These results indicated that JCICM-6 possesses significant anti-inflammatory and analgesic effects, which implies that it would be a potential candidate for further investigation as a new anti-arthritic botanical drug for humans.
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Affiliation(s)
- Hua Zhou
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
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