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Das C, Ghosh G, Rath G, Das D, Kar B, Pradhan D, Rai VK, Rajwar TK, Halder J, Dash P. Chemometric profiling and anti-arthritic activity of aerial parts of Glinus oppositifolius (L.) Aug. DC. JOURNAL OF ETHNOPHARMACOLOGY 2024; 328:117991. [PMID: 38460574 DOI: 10.1016/j.jep.2024.117991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 02/09/2024] [Accepted: 02/26/2024] [Indexed: 03/11/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Glinus oppositifolius (L.) Aug. DC. belongs to the family Molluginaceae, an annual prostrate herb traditionally used to treat inflammations, arthritis, malarial, wounds, fevers, diarrhoea, cancer, stomach discomfort, jaundice, and intestinal parasites. However, the anti-arthritic activity of the aerial part has still not been reported. AIM OF THE STUDY To investigate the antioxidant and anti-arthritic activity of G. oppositifolius in Complete Freund's Adjuvant (CFA) induced rats. MATERIALS AND METHODS The dried aerial parts of this plant material were defatted with n-hexane and extracted by methanol using a soxhlet apparatus. The in vitro anti-arthritic activity of methanolic extract of G. oppositifolius (MEGO) was evaluated in protein denaturation, membrane stabilization, and inhibition of proteinase assay at 25, 50, 100, 200, and 400 μg/ml concentrations. Female Wistar rats were immunized sub-dermally into the right hind paw with 0.1 ml of CFA. Rats were administered with MEGO at doses of 200 and 400 mg/kg once daily for fourteen days after arthritis induction. Assessment of arthritis was performed by measuring paw diameter, arthritic index, arthritic score, body weight, organ weight, and hematological and biochemical parameters, followed by the analysis of pro-inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α), interleukin 6 (IL-6), interleukin-1-beta (IL-1β), cyclooxygenase-2 (COX-2), interleukin 13 (IL-13) and interleukin 10 (IL-10) and histopathological study. In vivo antioxidant effect was investigated in enzymatic assays. The presence of phytoconstituents was analyzed by Gas Chromatography-Mass Spectrometry (GC-MS) and Liquid Chromatography-Mass Spectrometry (LC-MS), respectively. In silico molecular docking study of the compounds was carried out against COX-2, IL-1β, IL-6, and TNF-α using AutoDock 4.2 and BIOVIA-Discovery Studio Visualizer software. RESULTS MEGO's in vitro anti-arthritic activity showed dose-dependent inhibition of protein denaturation, membrane stabilization, and proteinase inhibition, followed by significant in vivo anti-arthritic activity. The rats treated with MEGO showed tremendous potential in managing arthritis-like symptoms by restoring hematological, biochemical, and histological changes in CFA-induced rats. MEGO (200 and 400 mg/kg) showed a significant alleviation in the levels of hyper expressed inflammatory mediators (TNF-α, IL-1β, and IL-6) and oxidative stress (SOD, CAT, GSH, and LPO) in CFA-induced rats. Spergulagenin-A as identified by LC-MS analysis, exhibited the highest binding affinity against COX-2 (-8.6), IL-1β (7.2 kcal/mol), IL-6 (-7.4 kcal/mol), and TNF-α (-6.5 kcal/mol). CONCLUSIONS Provided with the comprehensive investigation, methanolic extract of G. oppositifolius against arthritic-like condition is a proof of concept that revalidates its ethnic claim. The presence of Spergulagenin-A might be responsible for the anti-arthritic activity.
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Affiliation(s)
- Chandan Das
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Goutam Ghosh
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Goutam Rath
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Debajyoti Das
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Biswakanth Kar
- Department of Pharmacology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Deepak Pradhan
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Vineet Kumar Rai
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Tushar Kanti Rajwar
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Jitu Halder
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India
| | - Priyanka Dash
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751003, Odisha, India.
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Iqbal U, Malik A, Sial NT, Uttra AM, Rehman MFU, Mehmood MH. Molecular insights of Eucalyptol (1,8-Cineole) as an anti-arthritic agent: in vivo and in silico analysis of IL-17, IL-10, NF-κB, 5-LOX and COX-2. Inflammopharmacology 2024; 32:1941-1959. [PMID: 38649658 DOI: 10.1007/s10787-024-01465-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/17/2024] [Indexed: 04/25/2024]
Abstract
The monoterpene oxide, Eucalyptol (1,8-Cineole), a primary component of eucalyptus oil, has been evaluated pharmacologically for anti-inflammatory and analgesic activity. Current research aimed to evaluate Eucalyptol's anti-arthritic potential in a Complete Freund's adjuvant induced arthritis that resembles human rheumatoid arthritis. Polyarthritis developed after 0.1 mL CFA injection into the left hind footpad in rats. Oral administration of Eucalyptol at various doses (100, 200 and 400 mg/kg) significantly reduced paw edema, body weight loss, 5-LOX, PGE2 and Anti-CCP levels. Real-time PCR investigation showed significant downregulation of COX-2, TNF-α, NF-κB, IL-17, IL-6, IL-1β and upregulation of IL-4 and IL-10 in Eucalyptol treated groups. Hemoglobin and RBCs counts significantly increased post-treatment with Eucalyptol while ESR, CRP, WBCs and platelets count significantly decreased. Eucalyptol significantly increased Superoxide Dismutase, Catalase and Glutathione levels compared to CFA-induced arthritic control however, MDA significantly decreased post-treatment. Further, radiographic and histopathological examination of the ankle joints of rodents administered Eucalyptol revealed an improvement in the structure of the joints. Piroxicam was taken as standard. Furthermore, molecular docking findings supported the anti-arthritic efficacy of Eucalyptol exhibited high binding interaction against IL-17, TNF-α, IL-4, IL-10, iNOS NF-κB, 5-LOX, and COX-2. Eucalyptol has reduced the severity of CFA induced arthritis by promoting anti-inflammatory cytokines for example IL-4, IL-10 and by inhibiting pro-inflammatory cytokines such as 5-LOX, COX-2, IL-17, NF-κB, TNF-α, IL-6 and IL-1β. Therefore, Eucalyptol might be as a potential therapeutic agent because of its pronounced anti-oxidant and anti-arthritic activity.
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Affiliation(s)
- Urooj Iqbal
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan
| | - Abdul Malik
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan.
| | - Nabeela Tabassum Sial
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan
- Institute of Pharmacy, Lahore College for Women University, Lahore, Pakistan
| | - Ambreen Malik Uttra
- Department of Pharmacology, College of Pharmacy, University of Sargodha, Sargodha, Pakistan
| | | | - Malik Hassan Mehmood
- Department of Pharmaceutical Sciences, Government College University, Lahore, Pakistan
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
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Gonçalves AC, Rodrigues S, Fonseca R, Silva LR. Potential Role of Dietary Phenolic Compounds in the Prevention and Treatment of Rheumatoid Arthritis: Current Reports. Pharmaceuticals (Basel) 2024; 17:590. [PMID: 38794160 PMCID: PMC11124183 DOI: 10.3390/ph17050590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/26/2024] Open
Abstract
Rheumatoid arthritis (RA) is a complex illness with both hereditary and environmental components. Globally, in 2019, 18 million people had RA. RA is characterized by persistent inflammation of the synovial membrane that lines the joints, cartilage loss, and bone erosion. Phenolic molecules are the most prevalent secondary metabolites in plants, with a diverse spectrum of biological actions that benefit functional meals and nutraceuticals. These compounds have received a lot of attention recently because they have antioxidant, anti-inflammatory, immunomodulatory, and anti-rheumatoid activity by modulating tumor necrosis factor, mitogen-activated protein kinase, nuclear factor kappa-light-chain-enhancer of activated B cells, and c-Jun N-terminal kinases, as well as other preventative properties. This article discusses dietary polyphenols, their pharmacological properties, and innovative delivery technologies for the treatment of RA, with a focus on their possible biological activities. Nonetheless, commercialization of polyphenols may be achievable only after confirming their safety profile and completing successful clinical trials.
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Affiliation(s)
- Ana C. Gonçalves
- CICS-UBI—Health Sciences Research Center, University of Beira Interior, 6201-001 Covilhã, Portugal;
- CIBIT—Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, 3000-548 Coimbra, Portugal
- SPRINT Sport Physical Activity and Health Research & Innovation Center, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal
| | - Sofia Rodrigues
- Health Superior School, Polytechnic Institute of Viseu, 3500-843 Viseu, Portugal;
| | - Rafael Fonseca
- Faculty of Medicine, University of Lisbon, 1649-028 Lisbon, Portugal;
| | - Luís R. Silva
- CICS-UBI—Health Sciences Research Center, University of Beira Interior, 6201-001 Covilhã, Portugal;
- SPRINT Sport Physical Activity and Health Research & Innovation Center, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal
- CERES, Department of Chemical Engineering, University of Coimbra, 3030-790 Coimbra, Portugal
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Direito R, Barbalho SM, Sepodes B, Figueira ME. Plant-Derived Bioactive Compounds: Exploring Neuroprotective, Metabolic, and Hepatoprotective Effects for Health Promotion and Disease Prevention. Pharmaceutics 2024; 16:577. [PMID: 38794239 PMCID: PMC11124874 DOI: 10.3390/pharmaceutics16050577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/21/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
There is a growing trend among consumers to seek out natural foods and products with natural ingredients. This shift in consumer preferences had a direct impact on both food and pharmaceutical industries, leading to a focus of scientific research and commercial efforts to meet these new demands. The aim of this work is to review recent available scientific data on foods of interest, such as the artichoke, gooseberry, and polygonoideae plants, as well as olive oil and red raspberries. Interestingly, the urgency of solutions to the climate change emergency has brought new attention to by-products of grapevine bunch stem and cane, which have been found to contain bioactive compounds with potential health benefits. There is a pressing need for a faster process of translating scientific knowledge from the laboratory to real-world applications, especially in the face of the increasing societal burden associated with non-communicable diseases (NCDs), environmental crises, the post-pandemic world, and ongoing violent conflicts around the world.
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Affiliation(s)
- Rosa Direito
- Laboratory of Systems Integration Pharmacology, Clinical and Regulatory Science, Research Institute for Medicines, Universidade de Lisboa (iMed.ULisboa), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal (M.E.F.)
| | - Sandra Maria Barbalho
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília 17525-902, SP, Brazil;
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marília (UNIMAR), Avenida Hygino Muzzy Filho, 1001, Marília 17525-902, SP, Brazil
- Department of Biochemistry and Nutrition, School of Food and Technology of Marília (FATEC), Avenida Castro Alves, 62, Marília 17500-000, SP, Brazil
| | - Bruno Sepodes
- Laboratory of Systems Integration Pharmacology, Clinical and Regulatory Science, Research Institute for Medicines, Universidade de Lisboa (iMed.ULisboa), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal (M.E.F.)
- Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Maria Eduardo Figueira
- Laboratory of Systems Integration Pharmacology, Clinical and Regulatory Science, Research Institute for Medicines, Universidade de Lisboa (iMed.ULisboa), Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal (M.E.F.)
- Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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Bashir U, Singh G, Bhatia A. Rheumatoid arthritis-recent advances in pathogenesis and the anti-inflammatory effect of plant-derived COX inhibitors. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-02982-3. [PMID: 38358467 DOI: 10.1007/s00210-024-02982-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/26/2024] [Indexed: 02/16/2024]
Abstract
The majority of people with autoimmune disorders, including those with rheumatoid arthritis, osteoarthritis, and tendonitis report pain, stiffness, and inflammation as major contributors to their worse quality of life in terms of overall health. Of all the available treatment options, COX inhibitors are the ones that are utilized most frequently to ease the symptoms. Various signaling cascades have been reported to be involved in the pathogenesis of rheumatoid arthritis which includes JAK/STAT, MAPK, and NF-kB signaling pathways, and several allopathic inhibitors (tofacitinib and baricitinib) have been reported to target the components of these cascades and have received approval for RA treatment. However, the prolonged use of these COX inhibitors and other allopathic drugs can pose serious health challenges due to their significant side effects. Therefore, searching for a more effective and side effect-free treatment for rheumatoid arthritis has unveiled phytochemicals as both productive and promising. Their therapeutic ability helps develop potent and safe drugs targeting immune-inflammatory diseases including RA. Various scientific databases were used for searching articles such as NCBI, SpringerLink, BioMed Central, ResearchGate, Google Scholar, Scopus, Nature, Wiley Online Library, and ScienceDirect. This review lists various phytochemicals and discusses their potential molecular targets in RA treatment, as demonstrated by various in vitro, in vivo (pre-clinical), and clinical studies. Several pre-clinical and clinical studies suggest that various phytochemicals can be an alternative promising intervention for attenuating and managing inflammation-associated pathogenesis of rheumatoid arthritis.
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Affiliation(s)
- Ubaid Bashir
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Gurjant Singh
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Astha Bhatia
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
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Ye Z, Liu Y, Song J, Gao Y, Fang H, Hu Z, Zhang M, Liao W, Cui L, Liu Y. Expanding the therapeutic potential of Salvia miltiorrhiza: a review of its pharmacological applications in musculoskeletal diseases. Front Pharmacol 2023; 14:1276038. [PMID: 38116081 PMCID: PMC10728493 DOI: 10.3389/fphar.2023.1276038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023] Open
Abstract
Salvia miltiorrhiz, commonly known as "Danshen" in Chinese medicine, has longstanding history of application in cardiovascular and cerebrovascular diseases. Renowned for its diverse therapeutic properties, including promoting blood circulation, removing blood stasis, calming the mind, tonifying the blood, and benefiting the "Qi", recent studies have revealed its significant positive effects on bone metabolism. This potential has garnered attention for its promising role in treating musculoskeletal disorders. Consequently, there is a high anticipation for a comprehensive review of the potential of Salvia miltiorrhiza in the treatment of various musculoskeletal diseases, effectively introducing an established traditional Chinese medicine into a burgeoning field. AIM OF THE REVIEW Musculoskeletal diseases (MSDs) present significant challenges to healthcare systems worldwide. Previous studies have demonstrated the high efficacy and prospects of Salvia miltiorrhiza and its active ingredients for treatment of MSDs. This review aims to illuminate the newfound applications of Salvia miltiorrhiza and its active ingredients in the treatment of various MSDs, effectively bridging the gap between an established medicine and an emerging field. METHODS In this review, previous studies related to Salvia miltiorrhiza and its active ingredients on the treatment of MSD were collected, the specific active ingredients of Salvia miltiorrhiza were summarized, the effects of Salvia miltiorrhiza and its active ingredients for the treatment of MSDs, as well as their potential molecular mechanisms were reviewed and discussed. RESULTS Based on previous publications, Salvianolic acid A, salvianolic acid B, tanshinone IIA are the representative active ingredients of Salvia miltiorrhiza. Their application has shown significant beneficial outcomes in osteoporosis, fractures, and arthritis. Salvia miltiorrhiza and its active ingredients protect against MSDs by regulating different signaling pathways, including ROS, Wnt, MAPK, and NF-κB signaling. CONCLUSION Salvia miltiorrhiza and its active ingredients demonstrate promising potential for bone diseases and have been explored across a wide variety of MSDs. Further exploration of Salvia miltiorrhiza's pharmacological applications in MSDs holds great promise for advancing therapeutic interventions and improving the lives of patients suffering from these diseases.
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Affiliation(s)
- Zhiqiang Ye
- Zhanjiang Key Laboratory of Orthopaedic Technology and Trauma Treatment, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
- Key Laboratory of Traditional Chinese Medicine for the Prevention and Treatment of Infectious Diseases, Guangdong Provincial Administration of Traditional Chinese Medicine (Central People’s Hospital of Zhanjiang), Zhanjiang, China
| | - Yuyu Liu
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Jintong Song
- Zhanjiang Key Laboratory of Orthopaedic Technology and Trauma Treatment, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
- Key Laboratory of Traditional Chinese Medicine for the Prevention and Treatment of Infectious Diseases, Guangdong Provincial Administration of Traditional Chinese Medicine (Central People’s Hospital of Zhanjiang), Zhanjiang, China
| | - Yin Gao
- Zhanjiang Key Laboratory of Orthopaedic Technology and Trauma Treatment, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
- Marine Medical Research Institute of Zhanjiang, Zhanjiang, China
| | - Haiping Fang
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Zilong Hu
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Min Zhang
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Wenwei Liao
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Liao Cui
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
| | - Yanzhi Liu
- Zhanjiang Key Laboratory of Orthopaedic Technology and Trauma Treatment, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China
- Guangdong Provincial Key Laboratory for Research and Development of Natural Drug, School of Pharmacy, Guangdong Medical University, Zhanjiang, China
- Key Laboratory of Traditional Chinese Medicine for the Prevention and Treatment of Infectious Diseases, Guangdong Provincial Administration of Traditional Chinese Medicine (Central People’s Hospital of Zhanjiang), Zhanjiang, China
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Sharma A, Goel A, Lin Z. Analysis of anti-rheumatic activity of Nyctanthes arbor-tristis via in vivo and pharmacovigilance approaches. Front Pharmacol 2023; 14:1307799. [PMID: 38116080 PMCID: PMC10728290 DOI: 10.3389/fphar.2023.1307799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023] Open
Abstract
Introduction: Rheumatoid arthritis (RA) is an immune-mediated disease associated with chronic inflammation of numerous joints. Nyctanthes arbor-tristis (NAT) is a traditional remedy for RA, a chronic inflammatory disorder. Aim: The current project aims to demonstrate the role of the NAT extracts in sub-acute toxicity, pharmacovigilance, and anti-rheumatic biomarkers. Method: Hydroethanolic extract (1:1) of plant leaves was prepared by using the reflux method. The safety of the dose was evaluated in Sprague-Dawley rats, and the anti-inflammatory effects of NAT on RA symptoms, including paw volumes, body weight, arthritic index, withdrawal latency, hematology and serological test, radiology, and histopathology, were evaluated in Freund's complete adjuvant (FCA)-induced arthritis Sprague-Dawley rat models. The inflammatory (TNF-α and COX-2) and anti-inflammatory markers (IL-10) were analyzed in control and experimental groups. Result: The study showed that 500 mg/kg BW NAT leaf extract was found to be least toxic without showing any subacute toxicity symptoms. The pharmacovigilance study highlighted the potential side effects of NAT, such as drowsiness, sedation, and lethargy, at high dosages. Treatment with the plant extract mitigated paw edema, restored the immune organ and body weights, and ameliorated the level of blood parameters such as hemoglobin, red blood cells, platelets, white blood cells, aspartate aminotransferase (AST), alanine transaminase (ALT), C-reactive proteins, and rheumatoid factor. Treatment with the plant extracts also reduced the level of cyclooxygenase 2 and TNF-α and increased the level of IL-10 in the serum of arthritic rats dose-dependently. Radiographic analysis of the ankle joint showed an improvement in the hind legs. Histological examination of the ankle joints revealed that the plant extract treatment decreased pannus formation, inflammation, and synovial hyperplasia in arthritic animals. Conclusion: NAT 500 mg/kg could serve as a promising therapeutic option for the treatment of inflammatory arthritis.
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Affiliation(s)
- Ayushi Sharma
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura, Uttar Pradesh, India
| | - Anjana Goel
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura, Uttar Pradesh, India
| | - Zhijian Lin
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Radu AF, Negru PA, Radu A, Tarce AG, Bungau SG, Bogdan MA, Tit DM, Uivaraseanu B. Simulation-Based Research on Phytoconstituents of Embelia ribes Targeting Proteins with Pathophysiological Implications in Rheumatoid Arthritis. Life (Basel) 2023; 13:1467. [PMID: 37511842 PMCID: PMC10381729 DOI: 10.3390/life13071467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Rheumatoid arthritis (RA) is a heterogeneous inflammatory disease with an autoimmune origin and an incompletely elucidated pathophysiological mechanism. RA pharmacotherapy is based on chemically or biologically active substances that provide clinical alleviation and remission, but the disease is still incurable. As a result, there remains a need for significant therapeutic development, and adjuvant therapies may play an essential role in the search for novel RA treatment strategies. The aim of the present study was to investigate potential phytocompounds and phytocompound derivates as RA treatment agents, using in silico methodologies. In this regard, five phytoconstituents identified in different structures of Embelia ribes were evaluated by in silico methods for their potential action on target proteins of therapeutic interest in RA. The methodology involved identifying the phytocompound with the highest binding toward the target protein via molecular docking using AutoDock Vina 1.5.7, followed by a ligand-based virtual screening based on the structure of the most promising phytocompound using SwissSimilarity. This process led to the identification of ligands that are not currently utilized in medical practice, but that might have the potential to be used in the management of RA after further extensive experimental endorsements. ZINC000004024651 showed the highest binding affinity for the Bruton's tyrosine kinase protein, followed by ZINC000000434197 for p38 mitogen-activated protein kinases, ZINC000087606977 for interleukin-1 receptor-associated kinase 4, and ZINC000014728393 for matrix metallopeptidase 9, the latter two showing higher affinity than the co-crystallized compound. The relatively high affinities to target proteins and the pharmacokinetic data obtained by in silico studies using SwisADME suggest a first step for the inclusion of promising new compounds in various more advanced studies, leading to the evaluation of efficacy and safety profiles.
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Affiliation(s)
- Andrei-Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; (A.-F.R.); (D.M.T.); (B.U.)
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Paul Andrei Negru
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; (A.-F.R.); (D.M.T.); (B.U.)
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Ada Radu
- Ducfarm Pharmacy, 410514 Oradea, Romania;
| | - Alexandra Georgiana Tarce
- Medicine Program of Study, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania;
| | - Simona Gabriela Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; (A.-F.R.); (D.M.T.); (B.U.)
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania;
| | - Mihaela Alexandra Bogdan
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania;
| | - Delia Mirela Tit
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; (A.-F.R.); (D.M.T.); (B.U.)
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania;
| | - Bogdan Uivaraseanu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; (A.-F.R.); (D.M.T.); (B.U.)
- Department of Surgery Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
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Luo Y, Shen Y, Zong L, Xie J, Dai L, Luo X. Anti-rheumatoid arthritis potential of Rhododendron molle G. Don leaf extract in adjuvant induced arthritis rats. JOURNAL OF ETHNOPHARMACOLOGY 2023; 307:116175. [PMID: 36702447 DOI: 10.1016/j.jep.2023.116175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 06/18/2023]
Abstract
AIM OF THE STUDY The aim of this study was to test the anti-rheumatic arthritis effects of Rhododendron molle G. Don leaf extract in arthritis rats and inflammatory RAW 264.7 cells. Preliminary analysis and comparison of potential medicinal components of three polar extracts by HPLC and UHPLC-Q-TOF-MS. MATERIALS AND METHODS SD rats were subcutaneously injected with complete Freund's adjuvant (CFA) to induce inflammation on the right hind paw. RAW 264.7 cells were induced by lipopolysaccharide (LPS) to established cell inflammatory model. The volume of rat hind paw was measured with a volume meter to detect swelling, and the weight of rats was measured with an electronic balance. The severity of arthritis in rats was evaluated by arthritis score. The pathological sections of rat hind paw joints were observed by hematoxylin-eosin staining, and the contents of IL-6 and IL-1β in serum were detected. qRT-PCR was used to detect the expression of IL-1β, IL-6, TNF-α and COX-2 genes in RAW 264.7 cells. The release of nitric oxide was measured by Griess reaction. The expression levels of IL-6 and IL-1β were detected by Western-Blot. RESULTS and discussion: The chloroform extract from R. molle leaves (CERL), Ethyl acetate extract from R. molle leaves (EERL), n-butanol extract from R. molle leaves (BERL) could significantly inhibit hind paws swelling and reduce arthritis index in arthritis rats. And it showed dose dependence. Compared with tripterygium glycosides (TG) tablets, an effective drug of RA treatment, CERL have better anti-RA effect after administration. In addition, the three kinds of the polar extracts of Rhododendron molle leaves (PERL) had lower toxicity, with the LD50 279.87, 239.65, 500.08 (mg/kg) respectively, while TG group's LD50 was 96.00 (mg/kg). In vitro experiments showed that the three PERLs can significantly inhibit the level of pro-inflammatory factors and inflammatory mediator, such as TNF-α, IL-1β, IL-6, COX-2 and NO, which were consistent with their anti-RA ability. Among the three kinds of PERLs, CERL showed the best inhibitory activity. CONCLUSION The R. molle leaf is a potential medicinal part for the treatment of RA. This study explored the anti-RA and anti-inflammatory activities of CERL, EERL, BERL, which laid a foundation for further promoting the clinical application of R. molle.
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Affiliation(s)
- Yuqiang Luo
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yu Shen
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
| | - Luye Zong
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
| | - Jiankun Xie
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
| | - Liangfang Dai
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
| | - Xiangdong Luo
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, China.
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10
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Zhou M, Tan W, Hasimu H, Liu J, Gu Z, Zhao J. Euphorbium total triterpenes improve Freund's complete adjuvant-induced arthritis through PI3K/AKT/Bax and NF-κB/NLRP3 signaling pathways. JOURNAL OF ETHNOPHARMACOLOGY 2023; 306:116146. [PMID: 36610673 DOI: 10.1016/j.jep.2023.116146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/23/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Euphorbium is the resinous secretion of Euphorbia resinifera Berg. According to the record, Euphorbium was first used by Roman doctors to treat the emperor's joint pain. In China, it is applied in folk medicine to treat damp-cold or mucous diseases, such as arthralgia and ascites, etc. This herb is used for rheumatoid arthritis and skin tumors in the folklore of northeastern Brazil. Triterpenes are mainly characteristic constituents of Euphorbium, and possibly possess anti-rheumatoid arthritis. AIM OF THE STUDY To explore the preventive effect of Euphorbium total triterpenes (TTE) on Freund's complete adjuvant (FCA) induced arthritis in rats and its mechanism. MATERIAL AND METHODS TTE was extracted and isolated from Euphorbium, and its components were analyzed by HPLC. The safety of TTE was evaluated by an acute toxicity test in mice. Arthritis was induced in rats by injecting 0.2 mL FCA into the right hind paw toe, except for the control group, which was given the same volume of physiological saline. Tripterygium Glycosides (TG, 7.5 mg/kg) and TTE (32, 64 and 128 mg/kg) were administered by gavage for 30 days. Body weights, paw swelling, and arthritic scores were measured during the experiment process. After 30 days, blood and joints were harvested to determine various indicators of arthritis. RESULTS The contents of euphol and euphorbol in TTE were 47.03% and 18.77% respectively, and the maximal feasible dose of TTE in mice is 12 g/kg. The experimental results showed that arthritis indicators in rats deteriorated after FCA inducement compared with the control group. After treatment with TTE, the swelling degree and histopathological change of the hind paws in rats were significantly improved as well as arthritic score; the serum TNF-α, CRP, IL-1β, IL-6, IL-18 and RF levels in rats were significantly reduced; The expression of PI3K, AKT, P-AKT, Bcl-2, NF-κB, NLRP3 and Pro-caspase-1 protein in joint tissue were down-regulated, and the expression of Bax protein was up-regulated. CONCLUSION The results suggested that TTE possessed anti-arthritis effects, and its mechanism may be related to its anti-inflammatory and immunomodulatory properties, as well as regulation of PI3K/AKT/Bax and NF-κB/NLRP3 signaling pathway.
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Affiliation(s)
- Maojie Zhou
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China.
| | - Wei Tan
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China; Xinjiang Institute of Materia Medica, Key Laboratory for Uighur Medicine, Urumqi, 830004, China.
| | - Hamulati Hasimu
- Xinjiang Institute of Materia Medica, Key Laboratory for Uighur Medicine, Urumqi, 830004, China.
| | - Jing Liu
- The Eighth Affiliated Hospital of Xinjiang Medical University, Urumqi, 830013, China.
| | - Zhengyi Gu
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China; Xinjiang Institute of Materia Medica, Key Laboratory for Uighur Medicine, Urumqi, 830004, China.
| | - Jun Zhao
- School of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China; Xinjiang Institute of Materia Medica, Key Laboratory for Uighur Medicine, Urumqi, 830004, China.
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11
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Xia X, Zeng H, Wang H, Li X, Zhang S, Yang L, He J. Revealing the Active Constituents and Mechanisms of Semiliquidambar cathayensis Chang Roots against Rheumatoid Arthritis through Network Pharmacology, Molecular Docking, and in Vivo Experiment. Chem Biodivers 2023; 20:e202200916. [PMID: 36424369 DOI: 10.1002/cbdv.202200916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 11/26/2022]
Abstract
Semiliquidambar cathayensis Chang roots (SC) are traditional Chinese medicine for treating rheumatoid arthritis (RA). However, the effect and potential mechanism of SC remain unclear. This study aims to reveal the anti-RA constituents and mechanisms of SC based on network pharmacology, molecular docking, and adjuvant-induced arthritis (AIA) model rat experiment. In this work, 9 potential active constituents, including kaempferol, quercetin, naringenin, paeoniflorin, catechin, fraxin, gentianin, hesperetin, and ellagic acid 3,3',4-trimethyl ether, in SC crossed 65 target genes of RA. In addition, 28 core targets were enriched in inflammation and others, among which interleukin-17 (IL-17) and tumor necrosis factor (TNF) were the major targets. The binding of bio-constituents with IL-17 and TNF were performed using molecular docking. Rat experiment demonstrated that the extract of SC restored body weight loss, reduced arthritis score and the indices of thymus and spleen, alleviated ankle joint histopathology, decreased the levels of rheumatoid factor (RF), C-reactive protein (CRP), IL-17, TNF-α, IL-1β, IL-6, cyclooxygenase-2 (COX-2), 5-lipoxygenase (5-LOX), and matrix metalloproteinase-2 (MMP-2), whereas elevated the levels of IL-4 and IL-10. Collectively, it was the first time to comprehensively reveal the anti-RA efficacy and mechanism of SC via suppressing the inflammatory pathway based on network pharmacology, molecular docking, and experimental verification, which provide chemical and pharmacological evidences for the clinical application of SC.
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Affiliation(s)
- Xiaoyi Xia
- Jiangxi University of Chinese Medicine, Nanchang, 330004, P. R. China
| | - Huang Zeng
- Institute of Hakka Medicinal Bio-resources, Medical College, Jiaying University, Meizhou, 514031, P. R. China
| | - Huilei Wang
- Jiangxi University of Chinese Medicine, Nanchang, 330004, P. R. China
| | - Xin Li
- Jiangxi University of Chinese Medicine, Nanchang, 330004, P. R. China
| | - Shengyuan Zhang
- Institute of Hakka Medicinal Bio-resources, Medical College, Jiaying University, Meizhou, 514031, P. R. China
| | - Li Yang
- Jiangxi University of Chinese Medicine, Nanchang, 330004, P. R. China
| | - Junwei He
- Jiangxi University of Chinese Medicine, Nanchang, 330004, P. R. China
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12
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Akhter S, Irfan HM, Alamgeer, Ullah A, Jahan S, Roman M, Latif MB, Mustafa Z, Almutairi FM, Althobaiti YS. Noscapine hydrochloride (benzyl-isoquinoline alkaloid) effectively prevents protein denaturation through reduction of IL-6, NF-kB, COX-2, Prostaglandin-E2 in rheumatic rats. Saudi Pharm J 2022; 30:1791-1801. [PMID: 36601515 PMCID: PMC9805980 DOI: 10.1016/j.jsps.2022.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 10/13/2022] [Indexed: 11/08/2022] Open
Abstract
Noscapine hydrochloride (benzyl-isoquinoline antitussive alkaloid) is an opium derivative and generally used as a cough suppressant. Numerous studies on noscapine hydrochloride have reported that it has potent anti-inflammatory activity. However, the mechanisms by which it exerts an anti-inflammatory function is not well understood. Protein denaturation is the primary step that leads to the organ destruction and permanent arthritic disability. The above-mentioned facts provided the ground to plan this study using different in-vitro and in-vivo approaches. RT-qPCR and ELISA assays were used to assess the inflammatory markers related to protein denaturation in complete adjuvant persuaded rheumatism in Sprague - Dawley rats. The results were collected as paw volume and body weight changes, arthritic scoring and serum antioxidant enzymes assays. These findings demonstrated that all doses of noscapine hydrochloride (10, 20 and 40 mg/kg) studied in this study, significantly (p < 0.001) decreased the protein denaturation by preventing the increase in levels of interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), nuclear factor-kB (NF-kB), cyclooxygenase-2 (COX-2) and prostaglandin E2. Noscapine hydrochloride significantly reduced the paw volume (p < 0.001), arthritic scoring and reversed the body mass as compared to arthritic control diseased rats.
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Affiliation(s)
- Shanila Akhter
- College of Pharmacy, University of Sargodha, Sargodha, 40100, Pakistan
| | - Hafiz Muhammad Irfan
- College of Pharmacy, University of Sargodha, Sargodha, 40100, Pakistan,Corresponding authors at: Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, University of Hafr AlBatin, Hafr AlBatin 39524, Eastern Provine, Saudi Arabia. (F.M. Almutairi).
| | - Alamgeer
- Department of Pharmacology, Punjab University College of Pharmacy, University of the Punjab, Lahore, 54590, Pakistan
| | - Aman Ullah
- College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad, 44000, Pakistan
| | - Shah Jahan
- Department of Immunology, University of Health Sciences, Lahore, 54600, Pakistan
| | - Muhammad Roman
- Department of Immunology, University of Health Sciences, Lahore, 54600, Pakistan
| | - Muhammad Bilal Latif
- Department of Pathology and Laboratory Medicine, School of Medicine, Emory University, Atlanta, 30322, USA
| | - Zaid Mustafa
- Department of Agricultural Sciences, Allama Iqbal Open University Islamabad, 44000, Pakistan
| | - Farooq M. Almutairi
- Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, University of Hafr AlBatin, Hafr AlBatin, 39524, Saudi Arabia,Corresponding authors at: Department of Clinical Laboratories Sciences, College of Applied Medical Sciences, University of Hafr AlBatin, Hafr AlBatin 39524, Eastern Provine, Saudi Arabia. (F.M. Almutairi).
| | - Yusuf S. Althobaiti
- Department of Pharmacology and Toxicology, College of Pharmacy, Taif University, 21944, Saudi Arabia,Addiction and Neuroscience Research Unit, Taif University, 21944, Saudi Arabia
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13
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Manan M, Saleem U, Ahmad B, Aslam N, Anwar A, Zafar A. Anti-arthritic and toxicological evaluation of ethanolic extract of Alternanthera bettzickiana in rats. Front Pharmacol 2022; 13:1002037. [DOI: 10.3389/fphar.2022.1002037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 09/08/2022] [Indexed: 11/13/2022] Open
Abstract
In many developing countries, medicinal plants have long been used for therapeutic purposes due to their low cost and toxicity. This study evaluated the safety and anti-arthritic potential of Alternanthera bettzickiana ethanolic extract (ABEE). Acute oral toxicity (OECD 425) was tested in the safety evaluation. A limit test was used to identify the LD50 value. For an acute oral toxicity study a dose of 2000 mg/kg of ABEE was given orally to the treatment group, and the control group received distilled water at a rate of 10 ml/kg. Biochemical, hematological, and histopathological analyses were performed after 14 days. A formaldehyde 2% w/v solution was injected via i.p. to rats of all groups to prepare the arthritic model. Five groups were divided into control (D.H2O), standard (Diclofenac), and three groups receiving the plant extract at dose levels of 125 mg/kg, 250 mg/kg, and 500 mg/kg respectively. Treatment was continued for 10 days. Paw diameter and hematological and biochemical variables were quantified. ELISA was performed for the estimation of inflammatory cytokines. In the acute oral toxicity study, no mortality or morbidity were observed, so the LD50 of this plant was greater than 2000 mg/kg. ABEE decreased the paw diameter with the restoration of hematological and biochemical changes. SOD and CAT levels were increased while decreasing the MDA, NO, TNF-α, and IL-6 levels in arthritic rats. It is concluded that the use of A. bettzickiana has low toxicity, and it can be used for the treatment of arthritis.
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14
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Farrukh M, Saleem U, Ahmad B, Chauhdary Z, Alsharif I, Manan M, Qasim M, Alhasani RH, Shah GM, Shah MA. Sarcococca saligna Hydroalcoholic Extract Ameliorates Arthritis in Complete Freund's Adjuvant-Induced Arthritic Rats via Modulation of Inflammatory Biomarkers and Suppression of Oxidative Stress Markers. ACS OMEGA 2022; 7:13164-13177. [PMID: 35474846 PMCID: PMC9026066 DOI: 10.1021/acsomega.2c00619] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/24/2022] [Indexed: 05/15/2023]
Abstract
Traditionally, Sarcococca saligna has been used for the treatment of arthritis and many other inflammatory disorders. The current study was planned to give scientific evidence to this traditional use of S. saligna. Phytochemical profiling of SSME was carried out by using electrospray ionization mass spectrometry (ESI-MS/MS). Complete Freund's adjuvant (CFA), 150 μL was injected in the subplantar region of the left hind paw to induce arthritis in rats. Aqueous methanolic extract of S. saligna (SSME) was administered orally at 250, 500, or 1000 mg/kg dose from the 7th day to the 28th day of the study to explore its anti-arthritic potential. Histopathological and radiographic assessment of joints and enzyme-linked immunosorbent assay (ELISA) and real-time polymerase chain reaction (RT-PCR) analyses were performed. Determination of oxidative stress biomarkers in the serum was also carried out. ESI-MS/MS identified ten such phytoconstituents which have reported strong anti-inflammatory and anti-arthritic activity. The SSME extract considerably reduced paw inflammation and arthritic index, subdued cachexia, and significantly improved biochemical and hematological changes. Oxidative stress decreased in SSME administered rats dose-dependently. Histopathological and radiographic evaluations also showed the anti-arthritic activity of SSME, which was associated with the downregulation of tumor necrosis factor (TNF)-α, nuclear factor (NF)-kB, COX-2, interleukin (IL)-6, and IL-1β and upregulation of I-kB, IL-4, and IL-10, in contrast to disease group rats. The outcomes of the study proposed that S. saligna have anti-arthritic potential, supporting its traditional use for rheumatoid arthritis treatment.
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Affiliation(s)
- Maryam Farrukh
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Uzma Saleem
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
- , Tel: +923334904928
| | - Bashir Ahmad
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University, Lahore 45320, Pakistan
| | - Zunera Chauhdary
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Ifat Alsharif
- Department
of Biology, Jamoum University College, Umm
Al-Qura University, 21955 Makkah, Saudi Arabia
| | - Maria Manan
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Muhammad Qasim
- Department
of Bioinformatics and Biotechnology, Faculty of Life Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
| | - Reem Hasaballah Alhasani
- Department
of Biology, Faculty of Applied Science, Umm Al-Qura University, 21961 Makkah, Saudi Arabia
| | - Ghulam Mujtaba Shah
- Department
of Botany, Hazara University, Mansehra, Khyber Pakhtunkhwa 21120, Pakistan
- Department
of Pharmacy, Hazara University, Mansehra, Khyber Pakhtunkhwa 21120, Pakistan
| | - Muhammad Ajmal Shah
- Department
of Pharmacognosy, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, Punjab 38000, Pakistan
- Department
of Pharmacy, Hazara University, Mansehra, Khyber Pakhtunkhwa 21120, Pakistan
- ; Tel: +923058265476
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15
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Preclinical Rodent Models of Arthritis and Acute Inflammation Indicate Immunomodulatory and Anti-Inflammatory Properties of Juglans regia Extracts. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1695701. [PMID: 35422870 PMCID: PMC9005270 DOI: 10.1155/2022/1695701] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 02/22/2022] [Accepted: 03/02/2022] [Indexed: 11/17/2022]
Abstract
Juglans regia has been used to treat inflammatory and arthritic disorders in traditional medicine. The present study aimed to investigate the antiarthritic and anti-inflammatory potential of ethanolic leaves extract of J. regia. Arthritis was induced in rodents with Freund’s complete adjuvant. J. regia treatment was started on 8th day of arthritis induction and sustained for 20 days. Acute inflammatory models were developed using carrageenan, histamine, serotonin, and dextran. Qualitative and GC-MS analyses were also performed. Arthritis was determined using an arthritis scoring index and histopathological examination of ankle joints. RT-PCR was performed to determine the expression of pro-inflammatory markers (TNF-α, NF-κB, IL-6, IL-1β, and COX-2) and anti-inflammatory IL-4. PGE2 levels were evaluated using an ELISA. Blood and biochemical parameters were also determined. Paw edema was measured using a digital plethysmometer. Treatment with extracts inhibited arthritic development and attenuated paw edema along with all histopathological parameters. The expression levels of pro-inflammatory cytokines and COX-2 were downregulated, while IL-4 was upregulated. PGE2 levels were also reduced in extract-treated groups. Blood and biochemical parameters were nearly normalized in the treatment groups. Both extracts significantly inhibited carrageenan, histamine, serotonin, and dextran-induced paw edema. Qualitative phytochemical screening and GC-MS analysis confirmed that extracts possessed potential medicinal compounds. In conclusion, ethanol and n-hexane extracts of J. regia leaves have immunomodulatory and anti-inflammatory effects that ameliorate experimentally induced arthritis and edema. The inhibition of autacoids may also be one of the mechanisms inducing the immunomodulatory effect.
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Wei M, Su J, Ma Q, Zhang F, Wang J, Feng L, Jia X, Tan X. Erteng Tongbi Decoction ameliorates collagen-induced arthritis in mice via modulating T cell differentiation and cytokines balance. JOURNAL OF ETHNOPHARMACOLOGY 2022; 286:114928. [PMID: 34929309 DOI: 10.1016/j.jep.2021.114928] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/10/2021] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Herbs have been commonly used for the treatment of rheumatoid arthritis (RA). It has been verified that Erteng Tongbi Decoction has good therapeutic effects on RA, while, relatively few studies on the relationship between its components and anti-rheumatoid efficacy were carried out. AIM OF THE STUDY To discuss the anti-RA effects of Erteng Tongbi Decoction on collagen-induced arthritis (CIA) in mice and the influence of T cell differentiation and cytokines balance. MATERIALS AND METHODS Separate researches on the two traditional Chinese medicines of the Erteng Tongbi Decoction were conducted. First, a murine peritoneal macrophage model was established, and then the cytokines levels and macrophage maturity were measured to select the best extraction solvent. Furthermore, ethanol extracts were partitioned successively with four kinds of solvents, and the anti-inflammatory parts were selected by the same vitro model. Subsequently, mice were arbitrarily divided into control, CIA model, positive control, effective parts alone or in combination. After 20 days of oral administration, the weight, hind paw volume, rheumatism index value, and the pathological changes were checked to assess the obvious level of arthritis. Furthermore, the levels of IL-6, TNF-α, IL-10, and IL-17A in serum and the balance of Th17/Treg and Th1/Th2 cells in spleen and mesenteric lymph nodes (MLN) was detected. Finally, the major active constituents were identified. RESULTS In vitro, the anti-inflammatory effects of ethanol extracts was much better than water extract. In addition, the effective parts of Celastrus orbiculatus Thunb. ethanol extract were petroleum ether parts and dichloromethane parts. The effective parts of Spatholobus suberectus Dunn. ethanol extracts was petroleum ether parts and ethyl acetate parts screened. In vivo, effective parts compatibility could inhibit the progression of inflammation by modulating T cell differentiation and cytokines balance. Constituent analysis revealed that effective parts contained sesquiterpenes alkaloids, phenolic acids, and flavanols. CONCLUSIONS Erteng Tongbi Decoction could notably ameliorate CIA mice by modulating T cell differentiation and cytokines balance and support its application in folk medicine.
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Affiliation(s)
- Mengjiali Wei
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Key Laboratory of New Drug Delivery Systems of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China.
| | - Jiayan Su
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Key Laboratory of New Drug Delivery Systems of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Affiliated Hospital of Jiangnan University, Wuxi, 214122, Jiangsu, PR China.
| | - Qian Ma
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Key Laboratory of New Drug Delivery Systems of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China.
| | - Fang Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Department of Rheumatology and Immunology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China.
| | - Jing Wang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Department of Rheumatology and Immunology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China.
| | - Liang Feng
- Department of Chinese Medicine Preparations, China Pharmaceutical University, Nanjing, 210028, Jiangsu, PR China.
| | - Xiaobin Jia
- Department of Chinese Medicine Preparations, China Pharmaceutical University, Nanjing, 210028, Jiangsu, PR China.
| | - Xiaobin Tan
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China; Key Laboratory of New Drug Delivery Systems of Chinese Materia Medica, Jiangsu Provincial Academy of Chinese Medicine, Nanjing, 210028, Jiangsu, PR China.
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17
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Farrukh M, Saleem U, Qasim M, Manan M, Shah MA. Sarcococca saligna extract attenuates formaldehyde-induced arthritis in Wistar rats via modulation of pro-inflammatory and inflammatory biomarkers. Inflammopharmacology 2022; 30:579-597. [PMID: 35218463 DOI: 10.1007/s10787-022-00929-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 01/29/2022] [Indexed: 01/02/2023]
Abstract
Sarcococca saligna plant is commonly used as traditional therapy for arthritis especially in Asian countries. The current study is designed to explore the anti-arthritic potential of S. saligna aqueous methanolic extract (SSME). Preliminary proximate study and HPLC analysis were performed to investigate the phytochemical characterization and quality control. The safety of the SSME was evaluated by performing an acute oral toxicity study (OECD guidelines 425). The anti-arthritic potential of SSME was explored by in vivo formaldehyde-induced arthritis model. The antiarthritic effect of the SSME was determined through paw diameter, arthritic index, body weight, biochemical and haematological parameters. Radiographic and histopathological studies were also carried out to evaluate the results. qRT-PCR was performed to determine the upregulation and downregulation of anti- and pro-inflammatory cytokines in rats while ELISA was done to determine the concentration of HSP-70, IL-6 and TNF-α in the serum. Results of acute oral toxicity showed no abnormality and mortality. There was no noticeable change in haematological and biochemical parameters. Histopathological examination exhibited the normal structure of vital organs. So, SSME might be safe at a 2000 mg/kg dose, proposing that LD50 was higher than 2000 mg/kg body weight. Gallic acid, catechin, hydroxyl benzoic acid, sinapic acid, caffeic acid, ferulic acid and p-cumaric acid were identified by HPLC. The outcomes of in vivo formaldehyde-induced arthritic model showed that SSME significantly reduced paw inflammation and arthritic index and improved haematological and biochemical parameters. Moreover, the SSME influentially down-regulated the gene expression of IL-1β, IL-6, COX-2, PGE2, TNF-α and NF-κB, and up-regulated the expression of IL-4, and IL-10. The results of the undertaken study suggest that S. saligna have strong anti-arthritic activity supporting its conventional application as the remedy of rheumatoid arthritis.
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Affiliation(s)
- Maryam Farrukh
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Uzma Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Muhammad Qasim
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Maria Manan
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan
| | - Muhammad Ajmal Shah
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
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Gandhi GR, Jothi G, Mohana T, Vasconcelos ABS, Montalvão MM, Hariharan G, Sridharan G, Kumar PM, Gurgel RQ, Li HB, Zhang J, Gan RY. Anti-inflammatory natural products as potential therapeutic agents of rheumatoid arthritis: A systematic review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 93:153766. [PMID: 34624807 DOI: 10.1016/j.phymed.2021.153766] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/23/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease causing severe locomotor disability and deterioration in the quality of life. Existing treatments for RA mainly focus on the use of immunomodulators and the suppression of synovial inflammation, and many have significant side effects. Medicinal plants are regarded as important alternative sources for treating RA. PURPOSE This review summarizes the bioactive compounds of medicinal plants, which have been shown to modulate the immune response by regulating interleukins in vitro and in vivo experimental models, and that may be promising substances for use in the treatment of RA. METHODS Articles on natural products used for the management of arthritis were retrieved from PubMed, Embase, Scopus, and Web of Science through electronic and manual search in English. In total, 576 publications were identified, and 34 were included in this systematic review. RESULTS Two articles presented findings on the role of natural components in the treatment of arthritis in both in vitro and in vivo studies. Nine reports defined the role of plant-derived natural molecules in the treatment of arthritis using cell lines, and 27 in vivo studies assessed the anti-arthritic efficacy and immunomodulation effects of phytoconstituents on interleukin production and inflammatory responses. CONCLUSION This systematic review broadly reports that, in contrast to other classes of phytochemicals, flavonoids have the greatest therapeutic potential against arthritis by modulating the expression of pro-inflammatory TNF-α, IL-1β, IL-6, IL-8, and IL-17, as well as anti-inflammatory IL-2 and IL-10 cytokines, through the suppression of dynamic inflammatory biomarkers.
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Affiliation(s)
- Gopalsamy Rajiv Gandhi
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences (CAAS), Chengdu National Agricultural Science and Technology Center, Chengdu 600103, China; Postgraduate Program of Health Sciences (PPGCS), Federal University of Sergipe (UFS), Prof. João Cardoso Nascimento Campus, Aracaju, Sergipe 49060-108, Brazil
| | - Gnanasekaran Jothi
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous) (Affiliated to Bharathidasan University), Tiruchirappalli, Tamil Nadu 620005, India
| | - Thiruchenduran Mohana
- Department of Biochemistry, Madha Dental College and Hospital, Kundrathur, Chennai 600069, India
| | - Alan Bruno Silva Vasconcelos
- Postgraduate Program of Physiological Sciences (PROCFIS), Federal University of Sergipe (UFS), Campus São Cristóvão, São Cristóvão, Sergipe 49100-000, Brazil
| | - Monalisa Martins Montalvão
- Postgraduate Program of Physiological Sciences (PROCFIS), Federal University of Sergipe (UFS), Campus São Cristóvão, São Cristóvão, Sergipe 49100-000, Brazil
| | - Govindasamy Hariharan
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous) (Affiliated to Bharathidasan University), Tiruchirappalli, Tamil Nadu 620005, India
| | - Gurunagarajan Sridharan
- Department of Biochemistry, Srimad Andavan Arts and Science College (Autonomous) (Affiliated to Bharathidasan University), Tiruchirappalli, Tamil Nadu 620005, India
| | - Perumal Madan Kumar
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, Karnataka 570020, India
| | - Ricardo Querioz Gurgel
- Postgraduate Program of Health Sciences (PPGCS), Federal University of Sergipe (UFS), Prof. João Cardoso Nascimento Campus, Aracaju, Sergipe 49060-108, Brazil
| | - Hua-Bin Li
- Department of Nutrition, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-Sen University, Guangzhou, China
| | - Jinming Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy School, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ren-You Gan
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences (CAAS), Chengdu National Agricultural Science and Technology Center, Chengdu 600103, China; School of Food and Biological Engineering, Chengdu University, Chengdu 610106, China.
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Sun Q, Wang N, Xu W, Zhou H. Genus Ribes Linn. (Grossulariaceae): A comprehensive review of traditional uses, phytochemistry, pharmacology and clinical applications. JOURNAL OF ETHNOPHARMACOLOGY 2021; 276:114166. [PMID: 33940086 DOI: 10.1016/j.jep.2021.114166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/14/2021] [Accepted: 04/24/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The genus Ribes Linn., which belongs to the Grossulariaceae family, contains 160 species distributed mainly in temperate and cold regions of the Northern Hemisphere. There are 59 species in southwest, northwest and northeast China. Some species of Ribes have been used as traditional and local medicines for the treatment of glaucoma, cardiovascular disease, stomachache, hepatitis, hyperlipidemia, hypertension and other ailments. However, the data provided in recent years have not been collated and compared. AIM OF THE STUDY This review aims to summarize the current status of ethnopharmacological uses, phytochemistry, pharmacology, clinical applications, and pharmacokinetics of the genus Ribes to better understand the therapeutic potential of the genus Ribes in the future and hope to provide a relatively novel perspective for further clinical application on the genus. MATERIALS AND METHODS The literature on Ribes was collected through a series of scientific search engines including Elsevier, ACS, Springer, Web of Science, PubMed, Google Scholar, Baidu Scholar, Wiley, China National Knowledge Infrastructure (CNKI) and books. RESULTS Ribes species have been used for detoxification, glaucoma, cardiovascular disease, stomachache, hepatitis, hyperlipidemia, hypertension and other ailments. These plants mainly contain phenolic glycosides, flavonoids, proanthocyanidins, polysaccharides, etc. Most traditional uses are related to biological activity and have been confirmed by modern research. Pharmacological studies in vitro and in vivo revealed that the extracts and pure compounds possessed significant hypolipidemic, antioxidant, anti-inflammatory, antitumor, antibacterial, and antiviral activity, eyesight protection and other effects. CONCLUSIONS The traditional uses, phytochemistry, pharmacology, pharmacokinetics, and clinical applications described in this article explained that the Ribes species has numerous activities, and these findings will promote further action in the area of mechanism research. However, very few preclinical and clinical studies have focused on the toxicology and pharmacokinetics of crude extracts and pure compounds from the genus Ribes. Moreover, several clinical evidence to support the health benefits of Ribes plants. The development of new medicines based on Ribes species as ingredients may be restricted. The pharmacological activity, clinical efficacy and safety of Ribes species need to be verified by systematic and comprehensive preclinical studies and clinical trials.
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Affiliation(s)
- Qing Sun
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, 810008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Na Wang
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, 810008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenhua Xu
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, 810008, China.
| | - Huakun Zhou
- Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, 810008, China; Key Laboratory of Restoration Ecology of Cold Area in Qinghai Province, Xining, Qinghai, 810008, China
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Anti-Arthritic and Anti-Inflammatory Potential of Spondias mangifera Extract Fractions: An In Silico, In Vitro and In Vivo Approach. PLANTS 2021; 10:plants10050825. [PMID: 33919084 PMCID: PMC8143105 DOI: 10.3390/plants10050825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/14/2021] [Accepted: 04/18/2021] [Indexed: 11/17/2022]
Abstract
The fruits of Spondias mangifera (S. mangifera) have traditionally been used for the management of rheumatism in the northeast region of India. The present study explores the probable anti-arthritis and anti-inflammatory potential of S. mangifera fruit extract's ethanolic fraction (EtoH-F). To support this study, we first approached the parameters in silico by means of the active constituents of the plant (beta amyrin, beta sitosterol, oleonolic acid and co-crystallised ligands, i.e., SPD-304) via molecular docking on COX-1, COX-2 and TNF-α. Thereafter, the absorption, distribution, metabolism, excretion and toxicity properties were also determined, and finally experimental activity was performed in vitro and in vivo. The in vitro activities of the plant extract fractions were evaluated by means of parameters like 1,1-Diphenyl-2- picrylhydrazyl (DPPH), free radical-reducing potential, albumin denaturation, and protease inhibitory activity. The in vivo activity was evaluated using parameters like COX, TNF-α and IL-6 inhibition assay and arthritis score in Freund Adjuvant (CFA) models at a dose of 400 mg/kg b.w. per day of different fractions (hexane, chloroform, alcoholic). The molecular docking assay was performed on COX-1, COX-2 and TNF-α. The results of in vitro studies showed concentration-dependent reduction in albumin denaturation, protease inhibitors and scavenging activity at 500 µg/mL. Administration of the S. mangifera alcoholic fraction at the abovementioned dose resulted in a significant reduction (p < 0.01) in arthritis score, paw diameters, TNF-α, IL-6 as compared to diseased animals. The docking results showed that residues show a critical binding affinity with TNF-α and act as the TNF-α antagonist. The alcoholic fraction of S. mangifera extract possesses beneficial effects on rheumatoid arthritis as well as anti-inflammatory potential, and can further can be used as a possible agent for novel target-based therapies for the management of arthritis.
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Deligiannidou GE, Gougoula V, Bezirtzoglou E, Kontogiorgis C, Constantinides TK. The Role of Natural Products in Rheumatoid Arthritis: Current Knowledge of Basic In Vitro and In Vivo Research. Antioxidants (Basel) 2021; 10:antiox10040599. [PMID: 33924632 PMCID: PMC8070014 DOI: 10.3390/antiox10040599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disorder affecting a vast variety of the population. The onset of RA as well as the development of systematic immunization is affected by both genetic and environmental risk factors. This review aims to point out the role of natural products in the management of RA, focusing on the reports of basic research (in vitro and animal studies) emphasizing the antioxidant and anti-inflammatory properties considered in the field of RA. A systematic screening of the relevant literature was carried out on PubMed, Google Scholar, and Scopus with the following criteria: publication date, 2015-2020; language, English; study design, in vitro or animal models; and the investigation of one or several natural products in the context of RA, including, when available, the molecular mechanisms implicated. A total of 211 papers were initially obtained and screened. In vitro and animal studies referring to 20 natural products and 15 pure compounds were ultimately included in this review. The outcomes of this work provide an overview of the methods employed in basic research over the past five years, with emphasis on the limitations presented, while demonstrating the potential benefits of utilizing natural products in the management of RA as supported by in vitro and animal studies.
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Affiliation(s)
- Georgia-Eirini Deligiannidou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, GR-68100 Alexandroupolis, Greece; (G.-E.D.); (V.G.); (E.B.); (T.K.C.)
| | - Vasiliki Gougoula
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, GR-68100 Alexandroupolis, Greece; (G.-E.D.); (V.G.); (E.B.); (T.K.C.)
| | - Eugenia Bezirtzoglou
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, GR-68100 Alexandroupolis, Greece; (G.-E.D.); (V.G.); (E.B.); (T.K.C.)
| | - Christos Kontogiorgis
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, GR-68100 Alexandroupolis, Greece; (G.-E.D.); (V.G.); (E.B.); (T.K.C.)
- Institute of Agri-Food and Life Sciences, Hellenic Mediterranean University Research Centre, GR-71410 Heraklion, Greece
- Correspondence:
| | - Theodoros K. Constantinides
- Laboratory of Hygiene and Environmental Protection, Department of Medicine, Democritus University of Thrace, GR-68100 Alexandroupolis, Greece; (G.-E.D.); (V.G.); (E.B.); (T.K.C.)
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Yang L, Liu R, Ouyang S, Zou M, Duan Y, Li L, Guan T, Zhang T, He J. Compounds DRG and DAG, Two Phenol Glycosides, Inhibit TNF-α-stimulated Inflammatory Response through Blocking NF-kB/AKT/JNK Signaling Pathways in MH7A Cells. Inflammation 2021; 44:1762-1770. [PMID: 33768402 DOI: 10.1007/s10753-021-01452-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 03/09/2021] [Accepted: 03/15/2021] [Indexed: 02/07/2023]
Abstract
Fourteen constituents were recently isolated from the roots of Dendropanax dentiger with cyclooxygenase-2 (COX-2) inhibitory effects. However, the effect of 14 constituents on rheumatoid arthritis (RA) and their action mechanism remain unclear. The study aimed to explore the anti-RA effect and potential mechanism of these constituents in tumor necrosis factor α (TNF-α)-stimulated human RA fibroblast-like synoviocytes (MH7A cells). The cell viability, nitric oxide (NO) production, inflammatory cytokine levels, and protein expressions were measured by cell counting kit-8 (CCK-8), Griess reagent, ELISA, and Western blot assays, respectively. Results showed that 14 constituents (40 μM) have no cytotoxicity for MH7A cells. Among them, two phenols including 3,4-dimethoxyphenyl-1-O-α-L-rhamnopyranosyl-(1→6)-O-β-D-glucopyranoside (DRG) and 3,4-dimethoxyphenol-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (DAG) were shown to significantly inhibit the NO production with IC50 values of 5.25±0.34 and 5.35±0.31 μM, respectively. They also remarkably decreased the release of interleukin (IL)-2, 6, 8, and interferon (IFN)-γ, as well as prominently reduced the phosphorylation protein levels of p65, IkBα, AKT, and JNK at a concentration of 10 μM. Taken together, DRG and DAG could inhibit TNF-α-induced inflammatory response through blocking NF-kB/AKT/JNK signaling pathways in MH7A cells, thus could be promising against RA and other inflammation-related agents.
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Affiliation(s)
- Li Yang
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Ronghua Liu
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Sheng Ouyang
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Meng Zou
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Yelin Duan
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Longmei Li
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Tao Guan
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Ting Zhang
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China
| | - Junwei He
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, People's Republic of China.
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Yang L, Liu R, Fan A, Zhong G, He J. Dendropanax dentiger (Harms) Merr. root and its major constituents exert therapeutic effect on adjuvant-induced arthritis in rats. JOURNAL OF ETHNOPHARMACOLOGY 2021; 267:113631. [PMID: 33246122 DOI: 10.1016/j.jep.2020.113631] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 10/24/2020] [Accepted: 11/23/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The root of Dendropanax dentiger (Harms) Merr. is a pivotal folk Chinese medicine against rheumatoid arthritis (RA) with no scientific validation. AIM OF THE STUDY This study was conducted to explore the anti-RA effect of the D. dentiger extract on complete Freund's adjuvant-induced arthritis (AIA) in rats and identified its major bio-constituents. MATERIALS AND METHODS Dendropanax dentiger roots extracts (127.5, 255.0 and 510.0 mg/kg, once daily) were orally at day 7 post-administration adjuvant and lasting for 22 days. The therapeutic effects of D. dentiger roots extract on AIA rats were investigated by body weight growth, arthritis score, thymus and spleen indices, and histopathological analysis. Moreover, the levels of rheumatoid factor (RF), C-reactive protein (CRP), tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), IL-4, IL-6, IL-10, IL-17, cyclooxygenase-2 (COX-2), 5-lipoxygenase (5-LOX) and matrix metalloproteinase-2 (MMP-2) were also evaluated. Finally, the major constituents were isolated and identified from D. dentiger roots extract with COX-2 inhibitory and antioxidant activities. RESULTS Dendropanax dentiger roots extract remarkably alleviated the histological lesions of knee joint, increased body weight growth, decreased arthritis score, and reduced thymus and spleen indices in model rats. In parallel, the levels of RF, CRP, TNF-α, IL-1β, IL-6, IL-17, COX-2, 5-LOX and MMP-2 were observably downregulated, while the levels of IL-4 and IL-10 were prominently upregulated in D. dentiger roots extract-treated rats. Meanwhile, 14 compounds were isolated and identified from D. dentiger roots extract, and four phenol derivatives (1, 4, 6 and 7) exhibited remarkable COX-2 inhibitory and antioxidant activities. CONCLUSIONS Dendropanax dentiger roots extract possessed persuasive anti-RA effect may be partly responsible for phenol derivatives via modulation of inflammatory biomarkers, and supports the traditional folk use of D. dentiger in China.
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Affiliation(s)
- Li Yang
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China.
| | - Ronghua Liu
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China.
| | - Aiguo Fan
- Library of Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China.
| | - Guoyue Zhong
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China.
| | - Junwei He
- Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China.
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He Y, Long H, Zou C, Yang W, Jiang L, Xiao Z, Li Q, Long S. Anti-nociceptive effect of Portulaca oleracea L. ethanol extracts attenuated zymosan-induced mouse joint inflammation via inhibition of Nrf2 expression. Innate Immun 2021; 27:230-239. [PMID: 33611955 PMCID: PMC8054150 DOI: 10.1177/1753425921994190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The aim of this study was to explore the effects of ethanol extracts from Portulaca oleracea L. (ePO) on joint inflammation and to explain the underlying mechanisms. A joint inflammation mouse model was constructed by injecting zymosan, and the Von Frey method was employed and the joint thickness measured. The numbers of leukocytes, neutrophils, and monocytes were counted in the joint cavity and the infiltration of inflammatory cells was assessed by joint histopathological analysis. The mRNA levels of inflammatory cytokines were determined by quantitative RT-PCR and their secretion levels were determined by specific ELISAs. Pre-treatment with ePO inhibited articular mechanical hyperalgesia and edema and ameliorated the recruitment of mononuclear neutrophils and leukocytes. In addition, pre-treatment with ePO improved pathological alternations in the joint tissues by reducing the number of inflammatory cells. Pre-treatment with ePO regulated the nuclear factor erythroid 2-related factor 2 (Nrf2)-related proteins and thereby inhibited oxidative stress. In addition, ePO inhibited NLR family pyrin domain containing 3 (NLRP3) inflammasome-related genes (NLRP3, ASC, pro-caspase-1 and pro-IL-1ß), modulated inflammatory cytokines and the activation of NF-κB. ePO attenuated zymosan-induced joint inflammation by regulating oxidative stress, NLRP3 inflammasome, and NF-κB.
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Affiliation(s)
- Yunwu He
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Hui Long
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Cong Zou
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Wuzhou Yang
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Liping Jiang
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Zhenping Xiao
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Qing Li
- Department of Pain, the Second Hospital Affiliated to University of South China, Hengyang, Hunan, China
| | - Shiyin Long
- Department of Biochemistry and Molecular Biology, Medical College, University of South China, Hengyang, Hunan, China
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Yang L, Liu R, Fang Y, He J. Anti-inflammatory effect of phenylpropanoids from Dendropanax dentiger in TNF-α-induced MH7A cells via inhibition of NF-κB, Akt and JNK signaling pathways. Int Immunopharmacol 2021; 94:107463. [PMID: 33618295 DOI: 10.1016/j.intimp.2021.107463] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 02/07/2023]
Abstract
The root of Dendropanax dentiger (Harms) Merr. has been used for centuries as an empirical treatment for rheumatoid arthritis (RA) in China without scientific validation. In our recent study, nineteen phenylpropanoids (1-19) with cyclooxygenase-2 inhibitory activities from the ethanol extract of D. dentiger roots, indicated to have a potential anti-RA effect. This study, evaluated the anti-RA effect of 19 phenylpropanoids on tumor necrosis factor (TNF)-α induced inflammation in MH7A cells and clarified their underlying mechanisms. As a result, 16 compounds remarkably suppressed nitric oxide (NO) production at a concentration of 40 μM in TNF-α-induced MH7A cells. Among them, pinoresinol (12) and dendrocoumarin A (1) were the most effective substances, which showed significant inhibitory effect on NO production, with IC50 values of 6.25 ± 0.42 and 7.87 ± 0.67 μM, respectively. Furthermore, pinoresinol and dendrocoumarin A remarkably decreased the levels of interleukin (IL)-2, 6, 8, and interferon-gamma (IFN-γ), as well as prominently reduced the phosphorylation protein levels of nuclear factor kappa B (NF-κB) p65, I-kappa-B-alpha (IkBα), protein kinase B (Akt), and c-Jun N-terminal kinase (JNK) by Western blot analysis. Taken together, our findings suggest that pinoresinol and dendrocoumarin A may offer new and safe anti-RA candidates by inhibiting NF-kB, Akt and JNK signaling pathways.
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Affiliation(s)
- Li Yang
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Ronghua Liu
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Yiwei Fang
- First Affilated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Junwei He
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China.
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Guan F, Wang Q, Bao Y, Chao Y. Anti-rheumatic effect of quercetin and recent developments in nano formulation. RSC Adv 2021; 11:7280-7293. [PMID: 35423269 PMCID: PMC8695102 DOI: 10.1039/d0ra08817j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 02/01/2021] [Indexed: 12/11/2022] Open
Abstract
Quercetin is a potential anti-rheumatoid drug. Nano formulation strategies could improve its solubility and efficacy.
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Affiliation(s)
- Feng Guan
- School of Pharmacy
- Heilongjiang University of Chinese Medicine
- Harbin 150040
- P. R. China
| | - Qi Wang
- Norwich Medical School
- University of East Anglia
- Norwich NR4 7UQ
- UK
| | - Yongping Bao
- Norwich Medical School
- University of East Anglia
- Norwich NR4 7UQ
- UK
| | - Yimin Chao
- School of Chemistry
- University of East Anglia
- Norwich NR4 7TJ
- UK
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Roh SS, Shin MR, Lee J, Kim M, Park HJ. Rhei rhizoma and citri pericarpium mixture regulates oxidative stress and tight junction proteins on acute reflux esophagitis. Pharmacogn Mag 2021. [DOI: 10.4103/pm.pm_207_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Identification of phenolic compounds in fruits of Ribes stenocarpum Maxim. By UHPLC-QTOF/MS and their hypoglycemic effects in vitro and in vivo. Food Chem 2020; 344:128568. [PMID: 33246687 DOI: 10.1016/j.foodchem.2020.128568] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/28/2020] [Accepted: 11/02/2020] [Indexed: 02/06/2023]
Abstract
The gooseberry (Ribes stenocarpum Maxim. (CBZ)) is a wild and noncommercially cultivated berry fruit widely distributed in the Tibetan Plateau. The phenolic constituents from the berry fruit of CBZ were firstly identified by employing UPLC-QTOF MS. A total of 41 compounds, including hydroxycinnamic acids, hydroxybenzoic acids, flavonols and dihydroflavonol, were identified in view of their molecular weight, characteristic fragment ions and retention times. Further in vitro enzyme assay indicated that CBZ fruit extract could strongly and effectively inhibited a-glucosidase and α-amylase, with the IC50 values of 0.013 mg/mL and 0.005 mg/mL, respectively. In addition, the starch/maltose/sucrose tolerance experiment demonstrated that the CBZ fruit extract could reduce the sucrose mediated postprandial blood glucose (PBG) levels in normal mice, and significantly lower starch/maltose/ sucrose mediated PBG levels in diabetic mice. These results suggested that this berry fruit could be used as a dietary supplement, or drug for the control of hyperglycemia.
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Singh S, Singh TG, Mahajan K, Dhiman S. Medicinal plants used against various inflammatory biomarkers for the management of rheumatoid arthritis. J Pharm Pharmacol 2020; 72:1306-1327. [PMID: 32812250 DOI: 10.1111/jphp.13326] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 05/30/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Rheumatoid arthritis is a chronic autoimmune disease manifested clinically by polyarthralgia associated with joint dysfunction triggering the antibodies targeting against the self-neoepitopes determined by autoimmune responses associated with chronic arthritic attacks. The activation of macrophages and other defence cells in response to self-epitopes as biomarkers in RA provides a better understanding of pathogenesis of disease and has led to the development of novel therapeutic approaches acting as potent inhibitors of these cells. KEY FINDINGS The current review retrieved the various medicinal plants possessing an active phytoconstituents with anti-inflammatory and antioxidant properties, which tends to be effective alternative approach over the synthetic drugs concerned with high toxic effects. The current available literature provided an evident data concluding that the active constituents like fatty acids, flavonoids, terpenes and sesquiterpene lactones attenuate the RA symptoms by targeting the inflammatory biomarkers involved in the pathogenesis of RA. SUMMARY Despite the various synthetic treatment approaches targeting immune cells, cytokines improved the quality of life but still the drug management is challenging due to toxic and chronic teratogenic effects with anti-arthritic drugs. The current review has elaborated the selected traditionally used herbal medicinal plants with phytoconstituents possessing anti-inflammatory activity by suppressing the inflammatory biomarkers with lesser side effects and providing the future exploration of natural drug therapy for rheumatoid arthritis.
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Affiliation(s)
- Shareen Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | | | - Kriti Mahajan
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sonia Dhiman
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Manan M, Saleem U, Akash MS, Qasim M, Hayat M, Raza Z, Ahmad B. Antiarthritic Potential of Comprehensively Standardized Extract of Alternanthera bettzickiana: In Vitro and In Vivo Studies. ACS OMEGA 2020; 5:19478-19496. [PMID: 32803042 PMCID: PMC7424589 DOI: 10.1021/acsomega.0c01670] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 07/21/2020] [Indexed: 05/10/2023]
Abstract
Alternanthera bettzickiana is being used as a folk remedy for treating arthritis by conventional healers in Thailand. The current research was undertaken to explore the antiarthritic potential of A. bettzickiana ethanolic extract (ABEE). Plant characterization, molecular docking, and in vitro and in vivo (ABEE at 250, 500, and 1000 mg/kg was administered orally to rats once daily for 28 days) studies to explore the antiarthritic effect and enzyme-linked immunosorbent assay (ELISA) and real-time polymerase chain reaction (RT-PCR) analyses were performed. Oxidative stress biomarkers (superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA)) in the serum and histopathological and radiographic assessment of joints were also carried out. Gallic acid, catechin, chlorogenic acid, sinapic acid, quercetin, and γ- and α-tocopherol were identified in high-performance liquid chromatography (HPLC). Molecular docking revealed a strong interaction between these compounds and cyclooxygenase (COX) enzymes. The extract significantly subdued paw swelling and arthritic scoring, inhibited cachexia, and considerably improved biochemical and hematological modifications. SOD and CAT levels increased and the MDA level decreased in ABEE-treated rats dose-dependently. Radiographic and histopathological analyses also supported the antiarthritic effect of ABEE, which was linked with the downregulation of nuclear factor (NF)-kB, COX-2, interleukin (IL)-6, tumour necrosis factor (TNF)-α, and IL-1β and upregulation of IL-10, I-kB, and IL-4 as compared to disease control rats. Results suggested that A. bettzickiana possessed antiarthritic potential, supporting its folkloric use for treating rheumatoid arthritis.
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Affiliation(s)
- Maria Manan
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Faisalabad 38000, Pakistan
| | - Uzma Saleem
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Faisalabad 38000, Pakistan
| | - Muhammad Sajid
Hamid Akash
- Department
of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Faisalabad 38000, Pakistan
| | - Muhammad Qasim
- Department
of Bioinformatics & Biotechnology, Government
College University, Faisalabad, Faisalabad 38000, Pakistan
| | - Muhammad Hayat
- Department
of Biochemistry, Government College University,
Faisalabad, Faisalabad 38000, Pakistan
| | - Zohaib Raza
- Department
of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Faisalabad 38000, Pakistan
| | - Bashir Ahmad
- Riphah
Institute of Pharmaceutical Sciences, Riphah
International University, Lahore, Lahore 54000, Pakistan
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Polyphenols as Potential Agents in the Management of Temporomandibular Disorders. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10155305] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Temporomandibular disorders (TMD) consist of multifactorial musculoskeletal disorders associated with the muscles of mastication, temporomandibular joint (TMJ), and annexed structures. This clinical condition is characterized by temporomandibular pain, restricted mandibular movement, and TMJ synovial inflammation, resulting in reduced quality of life of affected people. Commonly, TMD management aims to reduce pain and inflammation by using pharmacologic therapies that show efficacy in pain relief but their long-term use is frequently associated with adverse effects. For this reason, the use of natural compounds as an effective alternative to conventional drugs appears extremely interesting. Indeed, polyphenols could represent a potential therapeutic strategy, related to their ability to modulate the inflammatory responses involved in TMD. The present work reviews the mechanisms underlying inflammation-related TMD, highlighting the potential role of polyphenols as a promising approach to develop innovative management of temporomandibular diseases.
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