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Simental-Mendía M, Lozano-Sepúlveda SA, Garza-Tapia M, Lara-Arias J, Acosta-Olivo CA, Vilchez-Cavazos F, Peña-Martínez VM. The Effects of the Combination of Rhein and Platelet-Rich Plasma on Human Articular Chondrocytes. Life (Basel) 2023; 13:1723. [PMID: 37629580 PMCID: PMC10455863 DOI: 10.3390/life13081723] [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: 06/26/2023] [Revised: 07/24/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND The presence of side effects and low bioavailability of rhein has limited its use in the treatment of osteoarthritis. We aimed to evaluate the in vitro response of human articular chondrocytes to the presence of the combination of platelet-rich plasma (PRP) and rhein. METHODS Solutions of rhein were prepared to assess solubility and select a working concentration. A stimulus with interleukin-1β (IL-β, 10 ng/mL) was induced for 24 h on human chondrocytes. Five treatment groups were established: control, IL-β control, PRP, rhein, and PRP + rhein. Cell viability, cell migration, nitric oxide (NO) production, tumor necrosis factor-α (TNF-α), and gene expression analyses were carried out. RESULTS A concentration of 50 mg/L was selected after a dose-response curve assay. Both NO and tumor TNF-α production significantly decreased after PRP and PRP + rhein treatments at 24 and 48 h. The wound healing assay revealed a significant stimulation of migration after 72 h with the PRP and PRP + rhein treatments. Expression of IL-1β, IL-6, MMP-13, and ADAMTS-5 was significantly downregulated, particularly after treatment with the combination of PRP + rhein. CONCLUSIONS Much of the determinations denoted a better performance of the combination of PRP and rhein in decreasing the levels of the different targets evaluated; however, this was not great enough to detect a significant difference in comparison with the PRP treatment alone.
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Affiliation(s)
- Mario Simental-Mendía
- Orthopedic Trauma Service, “Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico; (M.S.-M.); (J.L.-A.); (C.A.A.-O.); (F.V.-C.)
| | - Sonia Amelia Lozano-Sepúlveda
- Department of Biochemistry and Molecular Medicine, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico;
| | - Marsela Garza-Tapia
- Department of Analytical Chemistry, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico;
| | - Jorge Lara-Arias
- Orthopedic Trauma Service, “Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico; (M.S.-M.); (J.L.-A.); (C.A.A.-O.); (F.V.-C.)
| | - Carlos Alberto Acosta-Olivo
- Orthopedic Trauma Service, “Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico; (M.S.-M.); (J.L.-A.); (C.A.A.-O.); (F.V.-C.)
| | - Félix Vilchez-Cavazos
- Orthopedic Trauma Service, “Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico; (M.S.-M.); (J.L.-A.); (C.A.A.-O.); (F.V.-C.)
| | - Víctor Manuel Peña-Martínez
- Orthopedic Trauma Service, “Dr. José Eleuterio González” University Hospital, Universidad Autónoma de Nuevo León, Monterrey 66455, Mexico; (M.S.-M.); (J.L.-A.); (C.A.A.-O.); (F.V.-C.)
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2
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Zhang L, Yu H, Chen H, Huang Y, Bakunina I, de Sousa DP, Sun M, Zhang J. Application of molecular imprinting polymers in separation of active compounds from plants. Fitoterapia 2023; 164:105383. [PMID: 36481366 DOI: 10.1016/j.fitote.2022.105383] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/27/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
Molecular imprinting technique is becoming an appealing and prominent strategy to synthesize materials for target recognition and rapid separation. In recent years, it has been applied in separation of active compounds from various plants and has achieved satisfying results. This review aims to make a brief introduction of molecular imprinting polymers and their efficient application in the separation of various active components from plants, including flavonoids, organic acids, alkaloids, phenylpropanoids, anthraquinones, phenolics, terpenes, steroids, and diketones, which will provide some clues to help stimulating research into this fascinating and useful area.
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Affiliation(s)
- Luxuan Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China; Pharmacy 2019, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, China
| | - Hua Yu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao
| | - Haifang Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China
| | - Yinghong Huang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China
| | - Irina Bakunina
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok, Russia
| | - Damião Pergentino de Sousa
- Department of Pharmaceutical Sciences, Universidade Federal da Paraíba, 58051-970, João Pessoa, Paraíba, Brazil.
| | - Mingna Sun
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China.
| | - Jianye Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China.
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3
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Singh YP, Moses JC, Bandyopadhyay A, Mandal BB. 3D Bioprinted Silk-Based In Vitro Osteochondral Model for Osteoarthritis Therapeutics. Adv Healthc Mater 2022; 11:e2200209. [PMID: 35670084 DOI: 10.1002/adhm.202200209] [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: 01/25/2022] [Revised: 05/17/2022] [Indexed: 01/28/2023]
Abstract
3D bioprinting of osteochondral tissue offers unique opportunities for enabling precise pharmacological interventions in osteoarthritis (OA). The current study investigates the screening potential of anti-inflammatory drugs using bioprinted inflamed human osteochondral units. The biomimetic hierarchical geometry is bioprinted using silk-based bioinks encapsulating pre-differentiated stem cells, creating an in vitro model. Inflammation is stimulated in the model, using tumor necrosis factor-alpha and Interleukin-1 beta pro-inflammatory cytokines. The resultant degeneration, akin to OA, is flagged by key markers like sulfated glycosaminoglycan, collagen, alkaline phosphatase, and downregulation of osteochondral transcript levels. In the next step, the screening of anti-inflammatory drugs is validated using celecoxib and rhein. Consequently, in the inflamed constructs, the initial upregulation of the key inflammatory mediators (nitric oxide, Prostaglandin E2), is subsequently downregulated, post-drug treatment. In addition, catabolic markers (matrix metalloproteinases and aggrecanase-1), indicative of hypertrophic and apoptosing chondrocytes, are significantly downregulated in the treatment groups; while the transcript and protein levels required for osteochondral health are attenuated. Therefore, the in vitro model mimicks the inflammation in the early stages of OA, and corroborates a potential high-throughput platform for screening novel anti-inflammatory drugs in OA therapeutics.
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Affiliation(s)
- Yogendra Pratap Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Joseph Christakiran Moses
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Ashutosh Bandyopadhyay
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.,Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.,School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India
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4
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Application of Alginate Hydrogels for Next-Generation Articular Cartilage Regeneration. Int J Mol Sci 2022; 23:ijms23031147. [PMID: 35163071 PMCID: PMC8835677 DOI: 10.3390/ijms23031147] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 12/28/2022] Open
Abstract
The articular cartilage has insufficient intrinsic healing abilities, and articular cartilage injuries often progress to osteoarthritis. Alginate-based scaffolds are attractive biomaterials for cartilage repair and regeneration, allowing for the delivery of cells and therapeutic drugs and gene sequences. In light of the heterogeneity of findings reporting the benefits of using alginate for cartilage regeneration, a better understanding of alginate-based systems is needed in order to improve the approaches aiming to enhance cartilage regeneration with this compound. This review provides an in-depth evaluation of the literature, focusing on the manipulation of alginate as a tool to support the processes involved in cartilage healing in order to demonstrate how such a material, used as a direct compound or combined with cell and gene therapy and with scaffold-guided gene transfer procedures, may assist cartilage regeneration in an optimal manner for future applications in patients.
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Effects of sinew-regulating bone-setting manipulations on chondrocytes, IL-1β and NO in rabbits with knee osteoarthritis. JOURNAL OF ACUPUNCTURE AND TUINA SCIENCE 2021. [DOI: 10.1007/s11726-021-1277-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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6
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Ebada HM, Nasra MM, Nassra RA, Solaiman AA, Abdallah OY. Cationic nanocarrier of rhein based on hydrophobic ion pairing approach as intra-articular targeted regenerative therapy for osteoarthritis. Colloids Surf B Biointerfaces 2021; 211:112285. [PMID: 34942464 DOI: 10.1016/j.colsurfb.2021.112285] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/30/2021] [Accepted: 12/10/2021] [Indexed: 11/17/2022]
Abstract
Cartilage deterioration is the hallmark of osteoarthritis (OA). Rapid clearance of intra-articularly injected drugs and inherent cartilage barrier properties represent enormous challenges facing the effective local OA therapy. Rhein (RH), a dihydroxy-anthraquinone acid molecule, possess a potential chondroprotective effect. However, RH suffers from poor oral bioavailability besides its gastrointestinal side effects. Herein, for the first time, we exploited cationic carriers to target anionic cartilage matrix to create a RH-reservoir within the cartilage matrix, improving RH therapeutic efficacy with reduced side effects. Firstly, we improved RH lipophilic characteristics employing hydrophobic ion pairing (HIP) to be efficiently loaded within lipid nanoparticles with slow-release properties. RH-HIP integrated solid lipid nanoparticles (RH-SLNs) rapidly penetrated through cartilage tissue and lasted for 3 weeks into healthy and arthritic rat joints. Furthermore, RH-SLNs significantly inhibited inflammatory response, oxidative stress and cartilage deterioration in MIA-arthritic rats. In conclusion, intra-articular cationic RH-SLNs represented a meaningful step towards OA therapy.
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Affiliation(s)
- Heba Mk Ebada
- Central Lab, Faculty of Pharmacy, Damanhour University, Damanhour, Egypt.
| | - Maha Ma Nasra
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt.
| | - Rasha A Nassra
- Department of Medical Biochemistery, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
| | - Amany A Solaiman
- Department of Histology and Cell Biology, Faculty of Medicine, Alexandria University, Alexandria, Egypt.
| | - Ossama Y Abdallah
- Department of Pharmaceutics, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt.
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Chen Z, Zheng R, Chen J, Fu C, Lin J, Wu G. Anti-inflammatory activity of Radix Angelicae biseratae in the treatment of osteoarthritis determined by systematic pharmacology and in vitro experiments. Exp Ther Med 2020; 21:5. [PMID: 33235614 PMCID: PMC7678626 DOI: 10.3892/etm.2020.9437] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 09/02/2020] [Indexed: 12/12/2022] Open
Abstract
Radix Angelicae biseratae is a widely used Chinese traditional herbal medicine for osteoarthritis (OA). Its therapeutic efficacy has been confirmed in clinical practice. However, its mechanisms of action in treating OA have remained elusive. The purpose of the present study was to identify active components with good oral bioavailability and drug-like properties from Radix Angelicae biseratae through systematic pharmacology and in vitro experiments to determine targets of Radix Angelicae biseratae in the treatment of OA. The functional components of Radix Angelicae biseratae were screened from the Traditional Chinese Medicine Systems Pharmacology database based on oral bioavailability and drug-like properties. Subsequently, the databases STITCH, Open Targets Platform and DrugBank were searched and microarray analysis was performed to screen the active components of Radix Angelicae biseratae to treat OA and predict its potential target proteins. The interaction network and protein interaction network were then generated and examined, molecular docking between active components and targets was performed and the enrichment of potential target proteins was analyzed. Finally, reverse transcription-quantitative (RT-q)PCR and western blot analyses were used to verify the therapeutic effect of Radix Angelicae biseratae extract on the expression of OA-associated target proteins. The results provided eight active components in Radix Angelicae biseratae, which were firmly linked to 20 targets of OA. In combination with molecular docking and the analysis of the interaction network between components and targets, it was suggested that sitosterol was a major active component of Radix Angelicae biseratae in the treatment of OA. Protein interaction network analysis suggested that prostaglandin-endoperoxide synthase 2 (PTGS2), nitric oxide synthase 3 and cytochrome P450 2B6 may be critical targets for Radix Angelicae biseratae in the treatment of OA. In addition, RT-qPCR and western blot analyses suggested that Radix Angelicae biseratae extract inhibited the mRNA and protein expression of PTGS2 in degenerative articular cartilage cells in vitro, whilst other targets remain to be verified. Functional enrichment analysis indicated that Radix Angelicae biseratae confers pharmacological efficacy towards OA through exerting anti-inflammatory effects and immune regulation.
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Affiliation(s)
- Zhenyuan Chen
- Osteopathy Institute of Integrative Medicine, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China.,Department of Clinical Medicine, Fujian Health College, Fuzhou, Fujian 350101, P.R. China
| | - Ruoxi Zheng
- Osteopathy Institute of Integrative Medicine, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
| | - Jun Chen
- Fujian Provincial Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
| | - Changlong Fu
- Osteopathy Institute of Integrative Medicine, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
| | - Jie Lin
- Osteopathy Institute of Integrative Medicine, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
| | - Guangwen Wu
- Osteopathy Institute of Integrative Medicine, Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China.,Fujian Provincial Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P.R. China
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8
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Chen Z, Wu G, Zheng R. A Systematic Pharmacology and In Vitro Study to Identify the Role of the Active Compounds of Achyranthes bidentata in the Treatment of Osteoarthritis. Med Sci Monit 2020; 26:e925545. [PMID: 32925869 PMCID: PMC7513678 DOI: 10.12659/msm.925545] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Backgrounds Achyranthes bidentata is a Chinese traditional herbal medicine widely used to treat osteoarthritis (OA). This study aimed to identify active compounds from Achyranthes bidentata through systematic pharmacology and in vitro experiments to find the targets of Achyranthes bidentata in the treatment of OA. Material/Methods We screened the active compounds of Achyranthes bidentata from the Traditional Chinese Medicine Systems Pharmacology (TCMSP) database. Then, we used STITCH and Open Targets Platform databases to screen the active components and predict the potential targets of Achyranthes bidentata in the treatment of OA. Subsequently, we studied the compound-target network and protein interaction network and analyzed the enrichment of potential target proteins. Finally, we used Western blot analysis to verify the therapeutic effect of Achyranthes bidentata extract on the expression of OA-related target proteins. Results There were 7 active components in Achyranthes bidentata, which were strongly related to the 74 targets of OA. Quercetin, baicalein, and berberine are the critical active compounds of Achyranthes bidentata in the treatment of OA. Protein interaction analysis and in vitro experiments suggested that TNF, IL-6, and TP53 are the critical targets of Achyranthes bidentata in the treatment of OA. Functional enrichment analysis showed that Achyranthes bidentata plays a pharmacological role in OA through apoptosis, inflammation, and immune regulation. Conclusions Quercetin, baicalein, and berberine are the critical active compounds of Achyranthes bidentata in the treatment of OA. TNF, IL-6, and TP53 may be potential targets for the treatment of OA.
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Affiliation(s)
- Zhenyuan Chen
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China (mainland).,Department of Clinical Medicine, Fujian Health College, Fuzhou, Fujian, China (mainland)
| | - Guangwen Wu
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China (mainland).,Fujian Provincial Key Laboratory of Integrative Medicine on Geriatrics, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China (mainland)
| | - Ruoxi Zheng
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian, China (mainland)
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Zhuang T, Gu X, Zhou N, Ding L, Yang L, Zhou M. Hepatoprotection and hepatotoxicity of Chinese herb Rhubarb (Dahuang): How to properly control the "General (Jiang Jun)" in Chinese medical herb. Biomed Pharmacother 2020; 127:110224. [PMID: 32559851 DOI: 10.1016/j.biopha.2020.110224] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 02/06/2023] Open
Abstract
Chinese herb Rhubarb (Dahuang), one of the most widely used traditional Chinese medicine in clinical application for over a thousand years and known as the "General (Jiang Jun)" in Chinese medical herb, currently used clinically for long-term treatment of gastrointestinal diseases and chronic liver diseases. Through previous researches, it has been identified that Rhubarb possessed a good hepatoprotective effect, which primarily protected liver from oxidation, fibrosis and cirrhosis, liver failure, hepatocellular carcinoma and various types of hepatitis. Meanwhile, it has been recently reported that long-term administration of Rhubarb preparation may undertake the risk of liver damage, which has aroused worldwide doubts about the safety of Rhubarb. Therefore, how to correctly understand the "two-way" effect of Rhubarb on liver protection and liver toxicity provides a basis for scientific evaluation of Rhubarb's efficacy on liver and side effects, as well as guiding clinical rational drug use. In this review, the mechanisms of Rhubarb how to play a role in hepatoprotection and why it causes hepatotoxic potential will be elaborated in detail and critically. In addition, some positive clinical guidances are also advised on how to reduce its hepatotoxicity in medical treatment.
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Affiliation(s)
- Tongxi Zhuang
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xinyi Gu
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Nian Zhou
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Lili Ding
- Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Li Yang
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Shanghai Key Laboratory of Complex Prescriptions and MOE Key Laboratory for Standardization of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Mingmei Zhou
- Center for Chinese Medicine Therapy and Systems Biology, Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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10
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Bogdanova LR, Makarova AO, Zueva OS, Zakharova LY, Zuev YF. Encapsulation of diagnostic dyes in the polysaccharide matrix modified by carbon nanotubes. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2803-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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11
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Jung JH, Kim SE, Kim HJ, Park K, Song GG, Choi SJ. A comparative pilot study of oral diacerein and locally treated diacerein-loaded nanoparticles in a model of osteoarthritis. Int J Pharm 2020; 581:119249. [PMID: 32217157 DOI: 10.1016/j.ijpharm.2020.119249] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 02/19/2020] [Accepted: 03/20/2020] [Indexed: 12/13/2022]
Abstract
Diacerein (DIA) is a slow-acting drug for osteoarthritis (OA). Oral DIA administration, however, exerts side effects including diarrhea and urine discoloration. We fabricated DIA-loaded poly(d,l-lactide-co-glycolide) nanoparticles (DIA/PLGA NPs) that allow sustained release of DIA. In vitro, rat synoviocytes were used to investigate the cytotoxicity and anti-inflammatory effects of DIA-loaded NPs. In vivo, monosodium iodoacetate (MIA)-induced OA rats were divided into seven groups that included non-treated healthy control rats and rats injected with MIA alone or in combination with NPs, DIA(5%) solution, DIA(1%)/NPs, DIA(5%)/NPs, or oral DIA. The in vitro studies revealed that DIA/PLGA NPs dose-dependently suppressed mRNA levels of pro-inflammatory cytokines and enzymes, including interleukin-1 (IL-1), IL-6, tumor necrosis factor-α, matrix metalloproteinase-3 (MMP-3), MMP-13, cyclo-oxygenase-2, and a disintegrin and metalloproteinase with thrombospondin motifs-5 in synoviocytes. The in vivo studies demonstrated that intra-articular treatment of OA rat models with DIA-loaded PLGA NPs markedly decreased mRNA levels of these pro-inflammatory factors and increased those of anti-inflammatory cytokines (IL-4 and IL-10). Micro-computed tomography and histological evaluations indicated that intra-articular injection of DIA-loaded NPs was effective in protecting against cartilage degradation. Administration of DIA/PLGA NPs via intra-articular injection is promising for inhibiting inflammation and protecting against cartilage degradation in OA.
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Affiliation(s)
- Jae Hyun Jung
- Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Division of Rheumatology, Department of Internal Medicine, Korea University Ansan Hospital, 123 Jeokgeum-ro, Danwon-gu, Ansan-si, Gyeonggi-do 15355, Republic of Korea.
| | - Sung Eun Kim
- Department of Orthopedic Surgery and Rare Diseases Institute, Korea University Guro Hospital, 148 Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea.
| | - Hak-Jun Kim
- Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Department of Orthopedic Surgery and Rare Diseases Institute, Korea University Guro Hospital, 148 Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea.
| | - Kyeongsoon Park
- Department of Systems Biotechnology, Chung-Ang University, 4726 Seodong-daero, Daedeok-myeon, Anseong-si, Gyeonggi-do 17546, Republic of Korea.
| | - Gwan Gyu Song
- Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Division of Rheumatology, Department of Internal Medicine, Korea University Guro Hospital, 148 Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea.
| | - Sung Jae Choi
- Korea University College of Medicine, 73 Goryeodae-ro, Seongbuk-gu, Seoul 02841, Republic of Korea; Division of Rheumatology, Department of Internal Medicine, Korea University Ansan Hospital, 123 Jeokgeum-ro, Danwon-gu, Ansan-si, Gyeonggi-do 15355, Republic of Korea.
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12
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Mechanism mediating the protective effect of diacerein in ischemia-reperfusion-induced testicular injury in rats. Life Sci 2018; 209:57-62. [DOI: 10.1016/j.lfs.2018.07.060] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 07/28/2018] [Accepted: 07/31/2018] [Indexed: 01/14/2023]
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13
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Legrand C, Ahmed U, Anwar A, Rajpoot K, Pasha S, Lambert C, Davidson RK, Clark IM, Thornalley PJ, Henrotin Y, Rabbani N. Glycation marker glucosepane increases with the progression of osteoarthritis and correlates with morphological and functional changes of cartilage in vivo. Arthritis Res Ther 2018; 20:131. [PMID: 29929535 PMCID: PMC6013878 DOI: 10.1186/s13075-018-1636-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 05/29/2018] [Indexed: 12/17/2022] Open
Abstract
Background Changes of serum concentrations of glycated, oxidized, and nitrated amino acids and hydroxyproline and anticyclic citrullinated peptide antibody status combined by machine learning techniques in algorithms have recently been found to provide improved diagnosis and typing of early-stage arthritis of the knee, including osteoarthritis (OA), in patients. The association of glycated, oxidized, and nitrated amino acids released from the joint with development and progression of knee OA is unknown. We studied this in an OA animal model as well as interleukin-1β-activated human chondrocytes in vitro and translated key findings to patients with OA. Methods Sixty male 3-week-old Dunkin-Hartley guinea pigs were studied. Separate groups of 12 animals were killed at age 4, 12, 20, 28 and 36 weeks, and histological severity of knee OA was evaluated, and cartilage rheological properties were assessed. Human chondrocytes cultured in multilayers were treated for 10 days with interleukin-1β. Human patients with early and advanced OA and healthy controls were recruited, blood samples were collected, and serum or plasma was prepared. Serum, plasma, and culture medium were analyzed for glycated, oxidized, and nitrated amino acids. Results Severity of OA increased progressively in guinea pigs with age. Glycated, oxidized, and nitrated amino acids were increased markedly at week 36, with glucosepane and dityrosine increasing progressively from weeks 20 and 28, respectively. Glucosepane correlated positively with OA histological severity (r = 0.58, p < 0.0001) and instantaneous modulus (r = 0.52–0.56; p < 0.0001), oxidation free adducts correlated positively with OA severity (p < 0.0009–0.0062), and hydroxyproline correlated positively with cartilage thickness (p < 0.0003–0.003). Interleukin-1β increased the release of glycated and nitrated amino acids from chondrocytes in vitro. In clinical translation, plasma glucosepane was increased 38% in early-stage OA (p < 0.05) and sixfold in patients with advanced OA (p < 0.001) compared with healthy controls. Conclusions These studies further advance the prospective role of glycated, oxidized, and nitrated amino acids as serum biomarkers in diagnostic algorithms for early-stage detection of OA and other arthritic disease. Plasma glucosepane, reported here for the first time to our knowledge, may improve early-stage diagnosis and progression of clinical OA. Electronic supplementary material The online version of this article (10.1186/s13075-018-1636-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Catherine Legrand
- Bone and Cartilage Research Unit, Arthropôle Liège, Institute of Pathology, Level 5, CHU Sart-Tilman, 4000, Liège, Belgium
| | - Usman Ahmed
- Warwick Systems Biology, University of Warwick, Clinical Sciences Research Laboratories, University Hospital, Coventry, CV2 2DX, UK.,Warwick Medical School, Clinical Sciences Research Laboratories, University of Warwick, University Hospital, Coventry, CV2 2DX, UK
| | - Attia Anwar
- Warwick Systems Biology, University of Warwick, Clinical Sciences Research Laboratories, University Hospital, Coventry, CV2 2DX, UK
| | - Kashif Rajpoot
- School of Computer Science, University of Birmingham, Birmingham, UK
| | - Sabah Pasha
- Warwick Systems Biology, University of Warwick, Clinical Sciences Research Laboratories, University Hospital, Coventry, CV2 2DX, UK
| | - Cécile Lambert
- Bone and Cartilage Research Unit, Arthropôle Liège, Institute of Pathology, Level 5, CHU Sart-Tilman, 4000, Liège, Belgium
| | - Rose K Davidson
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Ian M Clark
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Paul J Thornalley
- Warwick Systems Biology, University of Warwick, Clinical Sciences Research Laboratories, University Hospital, Coventry, CV2 2DX, UK.,Warwick Medical School, Clinical Sciences Research Laboratories, University of Warwick, University Hospital, Coventry, CV2 2DX, UK
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropôle Liège, Institute of Pathology, Level 5, CHU Sart-Tilman, 4000, Liège, Belgium.,Department of Physical Therapy and Rehabilitation, Princess Paola Hospital, Vivalia, Marche-en-Famenne, Belgium
| | - Naila Rabbani
- Warwick Systems Biology, University of Warwick, Clinical Sciences Research Laboratories, University Hospital, Coventry, CV2 2DX, UK. .,Warwick Medical School, Clinical Sciences Research Laboratories, University of Warwick, University Hospital, Coventry, CV2 2DX, UK.
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14
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Gómez-Gaete C, Ferreira F, Bustos P, Mennickent S, Castillo D, Chávez C, Novoa P, Godoy R. Optimization of rhein-loaded polymeric nanoparticles using a factorial design and evaluation of the cytotoxic and anti-inflammatory effects. Drug Dev Ind Pharm 2018; 44:1285-1294. [PMID: 29482400 DOI: 10.1080/03639045.2018.1445263] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of the work was to develop rhein loaded polymeric nanoparticles (R-PNPs). Nanoparticles were prepared by three methods, solvent emulsion-evaporation, double emulsion, and nanoprecipitation, by means of experimental design. Additionally, the effects of the best formulation on in vitro cytotoxicity and inflammation were evaluated. The solvent emulsion-evaporation method presented the highest encapsulation efficiency of the three techniques (38.41%), as well as had a mean diameter of 189.33 nm and a polydispersity index of less than 0.1. Despite efforts to optimize the encapsulation of rhein, the drug release from nanoparticles was close to 50% during the first 5 min, followed by a continuous release within 60 min. It was observed that macrophages exposed to the highest concentration of R-PNPs showed cell viability about 80% and at the lowest nanoparticle concentrations was closed to 100%. IL-1β in cell culture supernatants was decreased in the presence of R-PNPs and TNFα concentrations were lower than the sensitivity of the assay. ROS production was only inhibited with R-PNPs at concentrations of 2.5 and 5 μM. In conclusion, the solvent emulsion-evaporation was the best method evaluated to obtain nanoparticles with the desired specifications. It was possible to assess R-PNPs with low cytotoxicity and anti-inflammatory properties showed by the inhibition of IL-1β production and a low decrease in ROS production.
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Affiliation(s)
- Carolina Gómez-Gaete
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Felipe Ferreira
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Paulina Bustos
- b Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Sigrid Mennickent
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Daniela Castillo
- b Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Catalina Chávez
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Pedro Novoa
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
| | - Ricardo Godoy
- a Department of Pharmacy, Faculty of Pharmacy , University of Concepción , Concepción , Chile
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15
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Liu S, Wang J, Shao T, Song P, Kong Q, Hua H, Luo T, Jiang Y. The natural agent rhein induces β-catenin degradation and tumour growth arrest. J Cell Mol Med 2017; 22:589-599. [PMID: 29024409 PMCID: PMC5742736 DOI: 10.1111/jcmm.13346] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 07/11/2017] [Indexed: 02/05/2023] Open
Abstract
The natural agent rhein is an ananthraquinone derivative of rhubarb, which has anticancer effects. To determine the mechanisms underlying the anticancer effects of rhein, we detected the effect of rhein on several oncoproteins. Here, we show that rhein induces β‐catenin degradation in both hepatoma cell HepG2 and cervical cancer cell Hela. Treatment of HepG2 and Hela cells with rhein shortens the half‐life of β‐catenin. The proteasome inhibitor MG132 blunts the downregulation of β‐catenin by rhein. The induction of β‐catenin degradation by rhein is dependent on GSK3 but independent of Akt. Treatment of HepG2 and Hela cells with GSK3 inhibitor or GSK3β knockdown abrogates the effect of rhein on β‐catenin. GSK3β knockdown compromises the inhibition of HepG2 and Hela cell growth by rhein. Furthermore, rhein dose not downregulate β‐catenin mutant that is deficient of phosphorylation at multiple residues including Ser33, Ser37, Thr41 and Ser45. Moreover, rhein induces cell cycle arrest at S phase in both HepG2 and Hela cells. Intraperitoneal administration of rhein suppresses tumour cells proliferation and tumour growth in HepG2 xenografts model. Finally, the levels of β‐catenin are reduced in rhein‐treated tumours. These data demonstrate that rhein can induce β‐catenin degradation and inhibit tumour growth.
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Affiliation(s)
- Shu Liu
- State Key Laboratory of Biotherapy, Section of Oncogene, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Jiao Wang
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ting Shao
- State Key Laboratory of Biotherapy, Section of Oncogene, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Peiying Song
- State Key Laboratory of Biotherapy, Section of Oncogene, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qingbin Kong
- State Key Laboratory of Biotherapy, Section of Oncogene, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Hui Hua
- Laboratory of Stem Cell Biology, West China Hospital, Sichuan University, Chengdu, China
| | - Ting Luo
- Cancer Center, West China Hospital, Chengdu, China
| | - Yangfu Jiang
- State Key Laboratory of Biotherapy, Section of Oncogene, Cancer Center, West China Hospital, Sichuan University, Chengdu, China
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16
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Sun H, Luo G, Chen D, Xiang Z. A Comprehensive and System Review for the Pharmacological Mechanism of Action of Rhein, an Active Anthraquinone Ingredient. Front Pharmacol 2016; 7:247. [PMID: 27582705 PMCID: PMC4987408 DOI: 10.3389/fphar.2016.00247] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 07/27/2016] [Indexed: 11/30/2022] Open
Abstract
Rhein is a major medicinal ingredient isolated from several traditional Chinese medicines, including Rheum palmatum L., Aloe barbadensis Miller, Cassia angustifolia Vahl., and Polygonum multiflorum Thunb. Rhein has various pharmacological activities, such as anti-inflammatory, antitumor, antioxidant, antifibrosis, hepatoprotective, and nephroprotective activities. Although more than 100 articles in PubMed are involved in the pharmacological mechanism of action of rhein, only a few focus on the relationship of crosstalk among multiple pharmacological mechanisms. The mechanism of rhein involves multiple pathways which contain close interactions. From the overall perspective, the pathways which are related to the targets of rhein, are initiated by the membrane receptor. Then, MAPK and PI3K-AKT parallel signaling pathways are activated, and several downstream pathways are affected, thereby eventually regulating cell cycle and apoptosis. The therapeutic effect of rhein, as a multitarget molecule, is the synergistic and comprehensive result of the involvement of multiple pathways rather than the blocking or activation of a single signaling pathway. We review the pharmacological mechanisms of action of rhein by consulting literature published in the last 100 years in PubMed. We then summarize these pharmacological mechanisms from a comprehensive, interactive, and crosstalk perspective. In general, the molecular mechanism of action of drug must be understood from a systematic and holistic perspective, which can provide a theoretical basis for precise treatment and rational drug use.
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Affiliation(s)
- Hao Sun
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Guangwen Luo
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Dahui Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
| | - Zheng Xiang
- School of Pharmaceutical Sciences, Wenzhou Medical University Wenzhou, China
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17
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Pavelka K, Bruyère O, Cooper C, Kanis JA, Leeb BF, Maheu E, Martel-Pelletier J, Monfort J, Pelletier JP, Rizzoli R, Reginster JY. Diacerein: Benefits, Risks and Place in the Management of Osteoarthritis. An Opinion-Based Report from the ESCEO. Drugs Aging 2016; 33:75-85. [PMID: 26849131 PMCID: PMC4756045 DOI: 10.1007/s40266-016-0347-4] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Diacerein is a symptomatic slow-acting drug in osteoarthritis (SYSADOA) with anti-inflammatory, anti-catabolic and pro-anabolic properties on cartilage and synovial membrane. It has also recently been shown to have protective effects against subchondral bone remodelling. Following the end of the revision procedure by the Pharmacovigilance Risk Assessment Committee of the European Medicines Agency, the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis (ESCEO) constituted a panel of 11 experts to better define the real place of diacerein in the armamentarium for treating OA. Based on a literature review of clinical trials and meta-analyses, the ESCEO confirms that the efficacy of diacerein is similar to that of non-steroidal anti-inflammatory drugs (NSAIDs) after the first month of treatment, and superior to that of paracetamol. Additionally, diacerein has shown a prolonged effect on symptoms of several months once treatment was stopped. The use of diacerein is associated with common gastrointestinal disorders such as soft stools and diarrhoea, common mild skin reactions, and, uncommonly, hepatobiliary disorders. However, NSAIDs and paracetamol are known to cause potentially severe hepatic, gastrointestinal, renal, cutaneous and cardiovascular reactions. Therefore, the ESCEO concludes that the benefit-risk balance of diacerein remains positive in the symptomatic treatment of hip and knee osteoarthritis. Furthermore, similarly to other SYSADOAs, the ESCEO positions diacerein as a first-line pharmacological background treatment of osteoarthritis, particularly for patients in whom NSAIDs or paracetamol are contraindicated.
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Affiliation(s)
- Karel Pavelka
- Institute of Rheumatology and Clinic of Rheumatology, Charles University, Prague, Czech Republic
| | - Olivier Bruyère
- Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium.
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Unit and NIHR Nutrition Biomedical Research Centre, University of Southampton, Southampton, UK
| | - John A Kanis
- WHO Collaborating Centre for Metabolic Bone Diseases, University of Sheffield Medical School, Sheffield, UK
| | - Burkhard F Leeb
- 2nd Department of Medicine, State Hospital Stockerau, Centre for Rheumatology, Lower Austria, Karl Landsteiner Institute for Clinical Rheumatology, Stockerau, Austria
| | - Emmanuel Maheu
- Rheumatology Department, AP-HP, St-Antoine Hospital, Paris, France
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Notre-Dame-Hospital, Montreal, Canada
| | - Jordi Monfort
- Rheumatology Service, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Notre-Dame-Hospital, Montreal, Canada
| | - René Rizzoli
- Division of Bone Diseases, Geneva University Hospital and Faculty of Medicine, Geneva, Switzerland
| | - Jean-Yves Reginster
- Department of Public Health, Epidemiology and Health Economics, University of Liège, Liège, Belgium
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18
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Sanchez C, Horcajada MN, Membrez Scalfo F, Ameye L, Offord E, Henrotin Y. Carnosol Inhibits Pro-Inflammatory and Catabolic Mediators of Cartilage Breakdown in Human Osteoarthritic Chondrocytes and Mediates Cross-Talk between Subchondral Bone Osteoblasts and Chondrocytes. PLoS One 2015; 10:e0136118. [PMID: 26292290 PMCID: PMC4546401 DOI: 10.1371/journal.pone.0136118] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 07/29/2015] [Indexed: 12/13/2022] Open
Abstract
Aim The aim of this work was to evaluate the effects of carnosol, a rosemary polyphenol, on pro-inflammatory and catabolic mediators of cartilage breakdown in chondrocytes and via bone-cartilage crosstalk. Materials and Methods Osteoarthritic (OA) human chondrocytes were cultured in alginate beads for 4 days in presence or absence of carnosol (6 nM to 9 μM). The production of aggrecan, matrix metalloproteinase (MMP)-3, tissue inhibitor of metalloproteinase (TIMP)-1, interleukin (IL)-6 and nitric oxide (NO) and the expression of type II collagen and ADAMTS-4 and -5 were analyzed. Human osteoblasts from sclerotic (SC) or non-sclerotic (NSC) subchondral bone were cultured for 3 days in presence or absence of carnosol before co-culture with chondrocytes. Chondrocyte gene expression was analyzed after 4 days of co-culture. Results In chondrocytes, type II collagen expression was significantly enhanced in the presence of 3 μM carnosol (p = 0.008). MMP-3, IL-6, NO production and ADAMTS-4 expression were down-regulated in a concentration-dependent manner by carnosol (p<0.01). TIMP-1 production was slightly increased at 3 μM (p = 0.02) and ADAMTS-5 expression was decreased from 0.2 to 9 μM carnosol (p<0.05). IL-6 and PGE2 production was reduced in the presence of carnosol in both SC and NSC osteoblasts while alkaline phosphatase activity was not changed. In co-culture experiments preincubation of NSC and SC osteoblasts wih carnosol resulted in similar effects to incubation with anti-IL-6 antibody, namely a significant increase in aggrecan and decrease in MMP-3, ADAMTS-4 and -5 gene expression by chondrocytes. Conclusions Carnosol showed potent inhibition of pro-inflammatory and catabolic mediators of cartilage breakdown in chondrocytes. Inhibition of matrix degradation and enhancement of formation was observed in chondrocytes cocultured with subchondral osteoblasts preincubated with carnosol indicating a cross-talk between these two cellular compartments, potentially mediated via inhibition of IL-6 in osteoblasts as similar results were obtained with anti-IL-6 antibody.
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Affiliation(s)
- Christelle Sanchez
- Bone and Cartilage Research Unit, Arthropôle Liège, University of Liège, Liège, Belgium
| | - Marie-Noëlle Horcajada
- Nutrition and Health, Nestle Research Center, Vers- chez- les- Blanc, Lausanne, Switzerland
| | - Fanny Membrez Scalfo
- Nutrition and Health, Nestle Research Center, Vers- chez- les- Blanc, Lausanne, Switzerland
| | - Laurent Ameye
- Nutrition and Health, Nestle Research Center, Vers- chez- les- Blanc, Lausanne, Switzerland
| | - Elizabeth Offord
- Nutrition and Health, Nestle Research Center, Vers- chez- les- Blanc, Lausanne, Switzerland
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropôle Liège, University of Liège, Liège, Belgium
- Physical Therapy and Rehabilitation Department, Princess Paola Hospital, Marche-en-Famenne, Belgium
- * E-mail:
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19
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Rhein: A Review of Pharmacological Activities. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:578107. [PMID: 26185519 PMCID: PMC4491579 DOI: 10.1155/2015/578107] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Revised: 05/13/2015] [Accepted: 05/25/2015] [Indexed: 12/19/2022]
Abstract
Rhein (4, 5-dihydroxyanthraquinone-2-carboxylic acid) is a lipophilic anthraquinone extensively found in medicinal herbs, such as Rheum palmatum L., Cassia tora L., Polygonum multiflorum Thunb., and Aloe barbadensis Miller, which have been used medicinally in China for more than 1,000 years. Its biological activities related to human health are being explored actively. Emerging evidence suggests that rhein has many pharmacological effects, including hepatoprotective, nephroprotective, anti-inflammatory, antioxidant, anticancer, and antimicrobial activities. The present review provides a comprehensive summary and analysis of the pharmacological properties of rhein, supporting the potential uses of rhein as a medicinal agent.
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20
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Oprenyeszk F, Sanchez C, Dubuc JE, Maquet V, Henrist C, Compère P, Henrotin Y. Chitosan enriched three-dimensional matrix reduces inflammatory and catabolic mediators production by human chondrocytes. PLoS One 2015; 10:e0128362. [PMID: 26020773 PMCID: PMC4447380 DOI: 10.1371/journal.pone.0128362] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 04/25/2015] [Indexed: 11/19/2022] Open
Abstract
This in vitro study investigated the metabolism of human osteoarthritic (OA) chondrocytes encapsulated in a spherical matrix enriched of chitosan. Human OA chondrocytes were encapsulated and cultured for 28 days either in chitosan-alginate beads or in alginate beads. The beads were formed by slowly passing dropwise either the chitosan 0.6%-alginate 1.2% or the alginate 1.2% solution through a syringe into a 102 mM CaCl2 solution. Beads were analyzed histologically after 28 days. Interleukin (IL)-6 and -8, prostaglandin (PG) E2, matrix metalloproteinases (MMPs), hyaluronan and aggrecan were quantified directly in the culture supernatant by specific ELISA and nitric oxide (NO) by using a colorimetric method based on the Griess reaction. Hematoxylin and eosin staining showed that chitosan was homogeneously distributed through the matrix and was in direct contact with chondrocytes. The production of IL-6, IL-8 and MMP-3 by chondrocytes significantly decreased in chitosan-alginate beads compared to alginate beads. PGE2 and NO decreased also significantly but only during the first three days of culture. Hyaluronan and aggrecan production tended to increase in chitosan-alginate beads after 28 days of culture. Chitosan-alginate beads reduced the production of inflammatory and catabolic mediators by OA chondrocytes and tended to stimulate the synthesis of cartilage matrix components. These particular effects indicate that chitosan-alginate beads are an interesting scaffold for chondrocytes encapsulation before transplantation to repair cartilage defects.
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Affiliation(s)
- Frederic Oprenyeszk
- Bone and Cartilage Research Unit, Arthropôle Liege, University of Liege, Liege, Belgium
| | - Christelle Sanchez
- Bone and Cartilage Research Unit, Arthropôle Liege, University of Liege, Liege, Belgium
| | - Jean-Emile Dubuc
- Orthopaedic Department, Cliniques Universitaires St Luc, Brussels, Belgium
| | | | - Catherine Henrist
- Group of Research in Energy and Environment from Materials and Center for Applied Technology in Microscopy, University of Liege, Liege, Belgium
| | - Philippe Compère
- Laboratory of Functional and Evolutive Morphology, Department of Environmental Sciences and Management, University of Liege, Liege, Belgium
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropôle Liege, University of Liege, Liege, Belgium
- * E-mail:
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Rehman M, Madni A, Ihsan A, Khan WS, Khan MI, Mahmood MA, Ashfaq M, Bajwa SZ, Shakir I. Solid and liquid lipid-based binary solid lipid nanoparticles of diacerein: in vitro evaluation of sustained release, simultaneous loading of gold nanoparticles, and potential thermoresponsive behavior. Int J Nanomedicine 2015; 10:2805-14. [PMID: 25897224 PMCID: PMC4396646 DOI: 10.2147/ijn.s67147] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Binary fatty acid mixture-based solid lipid nanoparticles (SLNs) were prepared for delivery of diacerein, a novel disease-modifying osteoarthritis drug, with and without simultaneously loaded gold nanoparticles (GNPs). In order to optimize SLNs for temperature-responsive release, lipid mixtures were prepared using different ratios of solid (stearic acid or lauric acid) and liquid (oleic acid) fatty acids. SLNs were prepared by microemulsification (53 nm), hot melt encapsulation (10.4 nm), and a solvent emulsification-evaporation technique (7.8 nm). The physicochemical characteristics of SLNs were studied by Zetasizer, Fourier transform infrared, and X-ray diffraction analysis. High encapsulation of diacerein was achieved with diacerein-loaded and simultaneously GNP-diacerein-loaded SLNs. In vitro dissolution studies revealed a sustained release pattern for diacerein over 72 hours for diacerein-loaded SLNs and 12 hours for GNP-diacerein-loaded SLNs. An increase in diacerein payload increased the release time of diacerein while GNPs decreased it. In addition, rapid release of diacerein over 4 hours was observed at 40°C (melting point of optimized fatty acid mixture), demonstrating that these binary SLNs could be used for thermoresponsive drug delivery. Kinetic modeling indicated that drug release followed zero order and Higuchi diffusion models (R10>0.9), while the Korsmeyer-Peppas model predicted a diffusion release mechanism (n<0.5).
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Affiliation(s)
- Mubashar Rehman
- Department of Pharmacy, Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Asadullah Madni
- Department of Pharmacy, Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Ayesha Ihsan
- Nanobiotechnology Group, Industrial Biotechnology Division, National Institute of Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Waheed Samraiz Khan
- Nanobiotechnology Group, Industrial Biotechnology Division, National Institute of Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Muhammad Imran Khan
- Department of Pharmacy, Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Muhammad Ahmad Mahmood
- Department of Pharmacy, Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Muhammad Ashfaq
- Department of Pharmacy, Faculty of Pharmacy and Alternative Medicine, The Islamia University of Bahawalpur, Pakistan
| | - Sadia Zafar Bajwa
- Nanobiotechnology Group, Industrial Biotechnology Division, National Institute of Biotechnology and Genetic Engineering, Faisalabad, Pakistan
| | - Imran Shakir
- Sustainable Energy Technologies (SET) centre, College of Engineering, King Saud University, Riyadh, Saudi Arabia
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Wu G, Fan H, Huang Y, Zheng C, Ye J, Liu X. Duhuo Jisheng Decoction‑containing serum promotes proliferation of interleukin‑1β‑induced chondrocytes through the p16‑cyclin D1/CDK4‑Rb pathway. Mol Med Rep 2014; 10:2525-34. [PMID: 25189115 DOI: 10.3892/mmr.2014.2527] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 08/06/2014] [Indexed: 11/06/2022] Open
Abstract
Duhuo Jisheng Decoction (DHJSD) is a traditional Chinese herbal medicine that has multiple uses, including as a treatment for osteoarthritis (OA). However, the molecular mechanisms underlying the therapeutic effects of DHJSD on OA remain unknown. In the present study, a serum pharmacological method was applied to investigate the effects of DHJSD on the proliferation of chondrocytes treated with interleukin‑1β (IL‑1β) in vitro. This is a cell model commonly used to reproduce the mechanisms involved in degenerative arthropathies, including OA. The most effective intervention conditions of DHJSD serum were examined by MTT assay. The degenerative chondrocyte model was established by IL‑1β‑culture for 24 h, and was verified by optical microscopy and immunohistochemical analyses. Following the successful establishment of the degenerative chondrocyte model, the chondrocytes were subsequently randomly divided into two groups: The blank serum group and the DHJSD treatment group. Subsequent to treatment with the corresponding serum, cell proliferation was detected by MTT assay and DNA staining followed by FACS analysis, and the mRNA and protein expression levels of cyclin D1, cyclin‑dependent kinase 4 (CDK4), retinoblastoma tumor suppressor protein (Rb) and p16 were measured by reverse transcription polymerase chain reaction and western blotting, respectively. The results indicated that the most effective condition for the promotion of chondrocyte proliferation was 10% concentration of DHJSD 2‑h serum, and the degenerative chondrocyte model was successfully reproduced by IL‑1β‑treatment for 24 h. The mRNA and protein expression levels of cyclin D1, CDK4 and Rb in the DHJSD serum‑treated cells were significantly increased compared with those in the blank serum group, whereas p16 expression was significantly downregulated. These results indicate that treatment of cells with DHJSD‑containing serum is able to promote IL‑1β‑induced chondrocyte proliferation by promoting G1/S phase transition via modulating the expressions of cyclin D1, CDK4, Rb and p16, which contribute to the clinical efficacy of DHJSD in OA.
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Affiliation(s)
- Guangwen Wu
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fujian, Fuzhou 350122, P.R. China
| | - Huailing Fan
- Academy of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fujian, Fuzhou 350122, P.R. China
| | - Yuanpeng Huang
- Fujian Sports Vocational Education and Technical College, Fujian, Fuzhou 350003, P.R. China
| | - Chunsong Zheng
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fujian, Fuzhou 350122, P.R. China
| | - Jinxia Ye
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fujian, Fuzhou 350122, P.R. China
| | - Xianxiang Liu
- Academy of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fujian, Fuzhou 350122, P.R. China
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Blacher E, Ben Baruch B, Levy A, Geva N, Green KD, Garneau-Tsodikova S, Fridman M, Stein R. Inhibition of glioma progression by a newly discovered CD38 inhibitor. Int J Cancer 2014; 136:1422-33. [PMID: 25053177 DOI: 10.1002/ijc.29095] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 07/16/2014] [Indexed: 01/15/2023]
Abstract
Glioma, the most common cancer of the central nervous system, has very poor prognosis and no effective treatment. It has been shown that activated microglia/macrophages in the glioma tumor microenvironment support progression. Hence, inhibition of the supporting effect of these cells may constitute a useful therapeutic approach. Recently, using a syngeneic mouse glioma progression model, we showed that the ectoenzyme CD38 regulated microglia activation and, in addition, that the loss of CD38 from the tumor microenvironment attenuated glioma progression and prolonged the life span of the tumor-bearing mice. These studies, which employed wild-type (WT) and Cd38(-/-) C57BL/6J mice, suggest that inhibition of CD38 in glioma microenvironment may be used as a new therapeutic approach to treat glioma. Our study tested this hypothesis. Initially, we found that the natural anthranoid, 4,5-dihydroxyanthraquinone-2-carboxylic acid (rhein), and its highly water-soluble tri-potassium salt form (K-rhein) are inhibitors of CD38 enzymatic (nicotinamide adenine dinucleotide glycohydrolase) activity (IC50 = 1.24 and 0.84 μM, respectively, for recombinant mouse CD38). Treatment of WT, but not Cd38(-/-) microglia with rhein and K-rhein inhibited microglia activation features known to be regulated by CD38 (lipopolysaccharide/IFN-γ-induced activation, induced cell death and NO production). Furthermore, nasal administration of K-rhein into WT, but not Cd38(-/-) C57BL/6J, mice intracranially injected with GL261 cells substantially and significantly inhibited glioma progression. Hence, these results serve as a proof of concept, demonstrating that targeting CD38 at the tumor microenvironment by small-molecule inhibitors of CD38, for example, K-rhein, may serve as a useful therapeutic approach to treat glioma.
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Affiliation(s)
- Eran Blacher
- Department of Neurobiology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel
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Yaroshenko IS, Khaimenov AY, Grigoriev AV, Sidorova AA. Determination of Rhein in blood plasma by HPLC with UV detection and its application to the study of bioequivalence. JOURNAL OF ANALYTICAL CHEMISTRY 2014. [DOI: 10.1134/s1061934814080127] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Henrotin Y, Pesesse L, Lambert C. Targeting the synovial angiogenesis as a novel treatment approach to osteoarthritis. Ther Adv Musculoskelet Dis 2014; 6:20-34. [PMID: 24489612 DOI: 10.1177/1759720x13514669] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Synovitis is a key feature in osteoarthritis and is associated with symptom severity. Synovial membrane inflammation is secondary to cartilage degradation which occurs in the early stage and is located adjacent to cartilage damage. This inflammation is characterized by the invasion and activation of macrophages and lymphocytes, the release in the joint cavity of large amounts of pro-inflammatory and procatabolic mediators, and by a local increase of synovial membrane vascularity. This latter process plays an important role in the chronicity of the inflammatory reaction by facilitating the invasion of the synovium by immune cells. Therefore, synovial membrane angiogenesis represents a key target for the treatment of osteoarthritis. This paper is a narrative review of the literature referenced in PubMed during the past 5 years. It addresses in particular three questions. What are the mechanisms involved in synovium blood vessels invasion? Are current medications effective in controlling blood vessels formation and invasion? What are the perspectives of research in this area?
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Affiliation(s)
- Yves Henrotin
- Bone and Cartilage Research Unit, Institute of Pathology, CHU Sart-Tilman, University of Liège, 4000 Liège, Belgium
| | - Laurence Pesesse
- Bone and Cartilage Research Unit, Institute of Pathology, University of Liège, Liège, Belgium
| | - Cecile Lambert
- Bone and Cartilage Research Unit, Institute of Pathology, University of Liège, Liège, Belgium
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In vivo reduction or blockade of interleukin-1β in primary osteoarthritis influences expression of mediators implicated in pathogenesis. Osteoarthritis Cartilage 2012; 20:1610-8. [PMID: 22935786 PMCID: PMC3478416 DOI: 10.1016/j.joca.2012.08.011] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 08/10/2012] [Accepted: 08/18/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Diminish interleukin-1β (IL-1β) signaling in a model of primary osteoarthritis by RNA interference-based transcript reduction or receptor blockade, and quantify changes incurred on transcript expression of additional mediators. METHODS Knees of Hartley guinea pigs were collected at 120 and 180 days of age following injection with viral vectors (N = 4/treatment group/date) at 60 days. Two groups received either adeno-associated viral serotype 5 vector containing a knockdown sequence (TV), or adenoviral vector encoding for IL-1 receptor antagonist protein (Ad-IRAP); treatments were contrasted with opposite knees administered corresponding vector controls. A third group evaluated TV relative to saline-only injected knees. Chondropathy and immunohistochemistry findings were compared to untreated guinea pigs. Transcript expression levels in cartilage were calculated using the comparative CT (2(-ΔΔCT)) method and analyzed by one-way analysis of variance (ANOVA) with pairwise comparisons using Tukey 95% confidence intervals. RESULTS Vector transduction was confirmed at both harvest dates. TV and Ad-IRAP, relative to vector controls, significantly decreased IL-1β. Inflammatory mediators [tumor necrosis factor-α (TNF-α), IL-8, interferon-γ (IFN-γ)], and catabolic matrix metalloproteinase 13 (MMP13) were also decreased, while anabolic transforming growth factor-β1 (TGF-β1) was increased. IL-1β was also decreased by TV vs saline, with a decrease in MMP13 and increase TGF-β1; TNF-α, IL-8, and IFN-γ were transiently increased. CONCLUSIONS This work confirmed that a reduction in IL-1β signaling was accomplished by either method, resulting in decreased expression of three inflammatory mediators and one catabolic agent, and increased expression of an anabolic molecule. Thus, evidence is provided that IL-1β serves a role in vivo in spontaneous osteoarthritis and that these translational tools may provide beneficial disease modification.
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Martel-Pelletier J, Pelletier JP. Effects of diacerein at the molecular level in the osteoarthritis disease process. Ther Adv Musculoskelet Dis 2012; 2:95-104. [PMID: 22870441 DOI: 10.1177/1759720x09359104] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
In osteoarthritis (OA), the alterations in joint tissues are numerous and involve morphological, biochemical and metabolic changes and an upregulation of the inflammatory pathways. The focus of this article is a brief narrative review of the effects of diacerein, an antirheumatic drug from the anthraquinone chemical class, and its active metabolite, rhein, on the factors that participate in the complex interaction between OA tissues and cells leading to the progression of joint structural changes.
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Affiliation(s)
- Johanne Martel-Pelletier
- Arthritis Centre, University of Montreal, Head, Arthritis Division (CHUM), Osteoarthritis Research Unit, University of Montreal Hospital Research Centre (CRCHUM), Notre-Dame Hospital, Montreal, Canada
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Chen X, Zhang Z, Yang X, Liu Y, Li J, Peng M, Yao S. Novel molecularly imprinted polymers based on multiwalled carbon nanotubes with bifunctional monomers for solid-phase extraction of rhein from the root of kiwi fruit. J Sep Sci 2012; 35:2414-21. [DOI: 10.1002/jssc.201101000] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Revised: 01/15/2012] [Accepted: 01/16/2012] [Indexed: 11/07/2022]
Affiliation(s)
| | | | - Xiao Yang
- College of Chemistry and Chemical Engineering; Jishou University; Jishou; P. R. China
| | - Yunan Liu
- College of Chemistry and Chemical Engineering; Jishou University; Jishou; P. R. China
| | | | - Mijun Peng
- Key Laboratory of Hunan Forest Products and Chemical Industry Engineering; Jishou University; Zhangjiajie; P. R. China
| | - Shouzhuo Yao
- The state Key Laboratory of Chemo/Biosensing and Chemometrics; Hunan University; Changsha; P. R. China
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Jotanovic Z, Mihelic R, Sestan B, Dembic Z. Role of Interleukin-1 Inhibitors in Osteoarthritis. Drugs Aging 2012; 29:343-58. [DOI: 10.2165/11599350-000000000-00000] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Effective reduction of the interleukin-1β transcript in osteoarthritis-prone guinea pig chondrocytes via short hairpin RNA mediated RNA interference influences gene expression of mediators implicated in disease pathogenesis. Osteoarthritis Cartilage 2011; 19:1449-57. [PMID: 21945742 PMCID: PMC3256924 DOI: 10.1016/j.joca.2011.09.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2011] [Revised: 09/06/2011] [Accepted: 09/09/2011] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To ascertain a viral vector-based short hairpin RNA (shRNA) capable of reducing the interleukin-1β (IL-1β) transcript in osteoarthritis (OA)-prone chondrocytes and detect corresponding changes in the expression patterns of several critical disease mediators. METHODS Cultured chondrocytes from 2-month-old Hartley guinea pigs were screened for reduction of the IL-1β transcript following plasmid-based delivery of U6-driven shRNA sequences. A successful plasmid/shRNA knockdown combination was identified and used to construct an adeno-associated virus serotype 5 (AAV5) vector for further evaluation. Relative real-time reverse transcription polymerase chain reaction (RT-PCR) was used to quantify in vitro transcript changes of IL-1β and an additional nine genes following transduction with this targeting knockdown vector. To validate in vitro findings, this AAV5 vector was injected into one knee, while either an equivalent volume of saline vehicle (three animals) or non-targeting control vector (three animals) were injected into opposite knees. Fold differences and subsequent percent gene expression levels relative to control groups were calculated using the comparative CT (2(-ΔΔCT)) method. RESULTS Statistically significant decreases in IL-1β expression were achieved by the targeting knockdown vector relative to both the mock-transduced control and non-targeting vector control groups in vitro. Transcript levels of anabolic transforming growth factor-β (TGF-β) were significantly increased by use of this targeting knockdown vector. Transduction with this targeting AAV5 vector also significantly decreased the transcript levels of key inflammatory cytokines [tumor necrosis factor-α (TNF-α), IL-2, IL-8, and IL-12] and catabolic agents [matrix metalloproteinase (MMP)13, MMP2, interferon-γ (IFN-γ), and inducible nitrous oxide synthase (iNOS)] relative to both mock-transduced and non-targeting vector control groups. In vivo application of this targeting knockdown vector resulted in a >50% reduction (P=0.0045) or >90% (P=0.0001) of the IL-1β transcript relative to vehicle-only or non-targeting vector control exposed cartilage, respectively. CONCLUSIONS Successful reduction of the IL-1β transcript was achieved via RNA interference (RNAi) techniques. Importantly, this alteration significantly influenced the transcript levels of several major players involved in OA pathogenesis in the direction of disease modification. Investigations to characterize additional gene expression changes influenced by targeting knockdown AAV5 vector-based diminution of the IL-1β transcript in vivo are warranted.
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Sanchez C, Pesesse L, Gabay O, Delcour JP, Msika P, Baudouin C, Henrotin YE. Regulation of subchondral bone osteoblast metabolism by cyclic compression. ACTA ACUST UNITED AC 2011; 64:1193-203. [PMID: 22034083 DOI: 10.1002/art.33445] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE Recent data have shown that abnormal subchondral bone remodeling plays an important role in osteoarthritis (OA) onset and progression, and it was suggested that abnormal mechanical pressure applied to the articulation was responsible for these metabolic changes. This study was undertaken to evaluate the effects of cyclic compression on osteoblasts from OA subchondral bone. METHODS Osteoblasts were isolated from sclerotic and nonsclerotic areas of human OA subchondral bone. After 28 days, the osteoblasts were surrounded by an abundant extracellular matrix and formed a resistant membrane, which was submitted to cyclic compression (1 MPa at 1 Hz) for 4 hours. Gene expression was evaluated by reverse transcription-polymerase chain reaction. Protein production in culture supernatants was quantified by enzyme-linked immunosorbent assay or visualized by immunohistochemistry. RESULTS Compression increased the expression of genes coding for interleukin-6 (IL-6), cyclooxygenase 2, RANKL, fibroblast growth factor 2, IL-8, matrix metalloproteinase 3 (MMP-3), MMP-9, and MMP-13 but reduced the expression of osteoprotegerin in osteoblasts in both sclerotic and nonsclerotic areas. Colα1(I) and MMP-2 were not significantly affected by mechanical stimuli. Nonsclerotic osteoblasts were significantly more sensitive to compression than sclerotic ones, but after compression, differences in messenger RNA levels between nonsclerotic and sclerotic osteoblasts were largely reduced or even abolished. Under basal conditions, sclerotic osteoblasts expressed similar levels of α5, αv, β1, and β3 integrins and CD44 as nonsclerotic osteoblasts but 30% less connexin 43, an important mechanoreceptor. CONCLUSION Genes involved in subchondral bone sclerosis are mechanosensitive. After compression, nonsclerotic and sclerotic osteoblasts expressed a similar phenotype, suggesting that compression could be responsible for the phenotype changes in OA subchondral osteoblasts.
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Shia CS, Tsai SY, Lin JC, Li ML, Ko MH, Chao PDL, Huang YC, Hou YC. Steady-state pharmacokinetics and tissue distribution of anthraquinones of Rhei Rhizoma in rats. JOURNAL OF ETHNOPHARMACOLOGY 2011; 137:1388-1394. [PMID: 21855620 DOI: 10.1016/j.jep.2011.08.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 08/02/2011] [Accepted: 08/02/2011] [Indexed: 05/31/2023]
Abstract
AIM OF THE STUDY Rhei Rhizoma, the rhizome of Rheum palmatum L. (RP), is a popular herb in clinical Chinese medicine. RP is abundant in polyphenolic anthraquinones, which have been reported to show various beneficial bioactivities. This study investigated the pharmacokinetics and tissue distribution of anthraquinones following seven-dose administration of RP decoction to rats. MATERIALS AND METHODS Six Sprague-Dawley rats were given 2.0 g/kg of RP twice daily for seven doses and blood samples were collected at designated time after the 7th dose. Another six rats were sacrificed at 30 min after the 7th dose and organs including liver, kidney, lung and brain were collected. Serum and tissue specimens were assayed by HPLC before and after hydrolysis with β-glucuronidase and sulfatase, respectively. RESULTS Pharmacokinetic analysis indicated that the anthraquinones in serum mainly presented as glucuronides/sulfates and contained higher ratio of sulfates when compared with single-dose administration of RP. Contrary to the finding in serum, tissue analysis discovered mainly free form of anthraquinone in most organs assayed, such as aloe-emodin and rhein in kidney, liver, lung; emodin in liver, lung; trace of chrysophanol in kidney and liver. In all brains, neither free forms nor their glucuronides/sulfates have been detected. CONCLUSIONS The glucuronides/sulfates of anthraquinones were the major forms in bloodstream, whereas the free forms of most anthraquinones were predominant in kidney and liver.
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Affiliation(s)
- Chi-Sheng Shia
- School of Pharmacy, College of Pharmacy, China Medical University, Taichung, Taiwan
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Gabay O, Sanchez C, Salvat C, Chevy F, Breton M, Nourissat G, Wolf C, Jacques C, Berenbaum F. Stigmasterol: a phytosterol with potential anti-osteoarthritic properties. Osteoarthritis Cartilage 2010; 18:106-16. [PMID: 19786147 DOI: 10.1016/j.joca.2009.08.019] [Citation(s) in RCA: 184] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2009] [Revised: 07/28/2009] [Accepted: 08/12/2009] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Although most studies have focused on the cholesterol-lowering activity of stigmasterol, other bioactivities have been ascribed to this plant sterol compound, one of which is a potential anti-inflammatory effect. To investigate the effects of stigmasterol, a plant sterol, on the inflammatory mediators and metalloproteinases produced by chondrocytes. METHOD We used a model of newborn mouse chondrocytes and human osteoarthritis (OA) chondrocytes in primary culture stimulated with or without IL-1beta (10 ng/ml), for 18 h. Cells were pre-incubated for 48 h with stigmasterol (20 microg/ml) compared to untreated cells. We initially investigated the presence of stigmasterol in chondrocyte, compared to other phytosterols. We then assessed the role of stigmasterol on the expression of various genes involved in inflammation (IL-6) and cartilage turn-over (MMP-3, -13, ADAMTS-4, -5, type II collagen, aggrecan) by quantitative Reverse Transcriptase-Polymerase Chain Reaction (RT-PCR). Additional experiments were carried out to monitor the production of MMP-3 and prostaglandin E2 (PGE(2)) by specific immuno-enzymatic assays. We eventually looked at the role of stigmasterol on NF-kappaB activation by western blot, using an anti-IkappaBalpha antibody. RESULTS After 18 h of IL-1beta treatment, MMP-3, MMP-13, ADAMTS-4, but not ADAMTS-5 RNA expression were elevated, as well as MMP-3 and PGE(2) protein levels in mouse and human chondrocytes. Type II collagen and aggrecan mRNA levels were significatively reduced. Pre-incubation of stigmasterol to IL-1beta-treated cells significantly decreased these effects described above (significant reduction of MMP-3 mRNA in human and mouse, MMP-3 protein in mouse, MMP-13 mRNA in mouse and human, ADAMTS-4 mRNA in human, PGE(2) protein in human and mouse) Finally, stigmasterol was capable of counteracting the IL-1beta-induced NF-kappaB pathway. CONCLUSION This study shows that stigmasterol inhibits several pro-inflammatory and matrix degradation mediators typically involved in OA-induced cartilage degradation, at least in part through the inhibition of the NF-kappaB pathway. These promising results justify further ex vivo and in vivo investigations with stigmasterol.
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Affiliation(s)
- O Gabay
- UR-4, Pierre & Marie Curie University Paris VI, Paris Universitas, Paris, France
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Legendre F, Heuze A, Boukerrouche K, Leclercq S, Boumediene K, Galera P, Domagala F, Pujol JP, Ficheux H. Rhein, the metabolite of diacerhein, reduces the proliferation of osteoarthritic chondrocytes and synoviocytes without inducing apoptosis. Scand J Rheumatol 2009; 38:104-11. [PMID: 19274517 DOI: 10.1080/03009740802421996] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE The aim of this study was to determine the effects of pharmacologically relevant concentrations of rhein (1,8-dihydroxy-3-carboxyanthraquinone) on the cell proliferation rate of human chondrocytes and synoviocytes. METHODS Cultures of human osteoarthritic synoviocytes and chondrocytes were incubated with 10(-6), 10(-5), and 10(-4) M rhein. [3H]thymidine incorporation was used to determine rhein proliferative effects after incubation periods of 24 h, 48 h, and 1 week. The cytotoxicity of the drug was assayed with a nonradioactive assay kit. Nuclear extracts were used to detect variations in cell-cycle proteins (p21, p27, and cyclin D1) by Western blotting. The effect of rhein on apoptosis was investigated by measurement of caspase-3/7 activity and DNA fragmentation. RESULTS Rhein was found to downregulate the proliferation rate of both chondrocytes and synoviocytes, two-fold for 10(-5) M rhein and five- to six-fold for 10(-4) M rhein. No cytotoxicity of the drug was observed. Rhein (10(-4) M) decreased caspase-3/7 activity and did not induce DNA fragmentation. Western blots showed that 10(-4) M rhein increased the expression of p21 and/or p27, but not that of cyclin D1. CONCLUSIONS Rhein has previously been shown to reduce the interleukin (IL)-1beta deleterious effects on osteoarthritis (OA) cartilage through inhibition of the expression of degrading enzymes. Here, rhein was also found to inhibit proliferation of both synoviocytes and chondrocytes, suggesting that the drug may decrease the development of the inflammatory synovial tissue that accompanies joint pathologies. Both its anti-catabolic and anti-proliferative effects may explain its beneficial effect in the treatment of joint diseases.
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Affiliation(s)
- F Legendre
- Laboratory of Extracellular Matrix and Pathology, University of Caen
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Toegel S, Wu SQ, Piana C, Unger FM, Wirth M, Goldring MB, Gabor F, Viernstein H. Comparison between chondroprotective effects of glucosamine, curcumin, and diacerein in IL-1beta-stimulated C-28/I2 chondrocytes. Osteoarthritis Cartilage 2008; 16:1205-12. [PMID: 18321735 DOI: 10.1016/j.joca.2008.01.013] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2007] [Accepted: 01/22/2008] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To compare the effects of glucosamine (GlcN), curcumin, and diacerein in immortalized human C-28/I2 chondrocytes at the cellular and the gene expression level. This study aimed to provide insights into the proposed beneficial effects of these agents and to assess the applicability of the C-28/I2 cell line as a model for the evaluation of chondroprotective action. METHODS Interleukin-1beta (IL-1beta)-stimulated C-28/I2 cells were cultured in the presence of GlcN, curcumin, and diacerein prior to the evaluation of parameters such as viability, morphology and proliferation. The impact of GlcN, curcumin, and diacerein on gene expression was determined using quantitative real-time RT-PCR (qPCR). RESULTS At the transcriptional level, 5 mM GlcN and 50 microM diacerein increased the expression of cartilage-specific genes such as aggrecan (AGC) and collagen type II (COL2), while reducing collagen type I (COL1) mRNA levels. Moreover, the IL-1beta-mediated shift in gene expression pattern was antagonized by GlcN and diacerein. These effects were associated with a significant reduction in cellular proliferation and the development of chondrocyte-specific cell morphology. In contrast, curcumin was not effective at lower concentrations but even damaged the cells at higher amounts. CONCLUSIONS Both GlcN and diacerein promoted a differentiated chondrocytic phenotype of immortalized human C-28/I2 chondrocytes by altering proliferation, morphology, and COL2/COL1 mRNA ratios. Moreover, both agents antagonized inhibitory effects of IL-1beta by enhancing AGC and COL2 as well as by reducing COL1 mRNA levels.
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Affiliation(s)
- S Toegel
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria.
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Gabay O, Gosset M, Levy A, Salvat C, Sanchez C, Pigenet A, Sautet A, Jacques C, Berenbaum F. Stress-induced signaling pathways in hyalin chondrocytes: inhibition by Avocado-Soybean Unsaponifiables (ASU). Osteoarthritis Cartilage 2008; 16:373-84. [PMID: 17707661 DOI: 10.1016/j.joca.2007.06.016] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2006] [Accepted: 06/25/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Avocado-Soybean Unsaponifiables (ASU) represent one of the most commonly used drugs for symptomatic osteoarthritis (OA). The mechanisms of its activities are still poorly understood. We investigate here the effects of ASU on signaling pathways in mouse or human chondrocytes. METHODS Mouse or human chondrocytes stimulated with interleukin-1beta (IL1beta, 10 ng/ml) and cartilage submitted to a compressive mechanical stress (MS) were studied in the presence or absence of ASU (10 microg/ml). Nuclear factor kappaB (NF-kappaB) activation was assessed by immunoblot, using an I-kappa B alpha antibody, nuclear translocation of NF-kappaB using p65 antibody, and extra-cellular signal-regulated kinase (ERK)1/2 activation using phospho and ERK1/2 antibodies. The binding of the p50/p65 complex on DNA was studied by electrophoretic mobility shift assay. RESULTS ASU decrease matrix metalloproteinases-3 and -13 expressions and Prostaglandin E(2) (PGE(2)) release in our model. The degradation of I-kappa B alpha is prevented in the presence of ASU as shown by the persistent expression of I-kappa B alpha protein in the cytosol when chondrocytes are stimulated by IL1beta or MS. Nuclear translocation of the NF-kappaB complex is shown by the decrease of the p65 protein from the cytosol, whereas p65 appears in the nucleus under IL1beta stimulation. This translocation is abolished in the presence of ASU. Moreover, bandshift experiments show an inhibition of the IL1beta-induced binding of p50/p65 complexes to NF-kappaB responsive elements in response to ASU. Finally, among the different mitogen-activated protein kinases known to be induced by IL1beta, ERK1/2 was the sole kinase inhibited by ASU. CONCLUSION These results demonstrate that ASU express a unique range of activities, which could counteract deleterious processes involved in OA, such as inflammation.
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Affiliation(s)
- O Gabay
- UMR 7079 University Pierre and Marie Curie Paris VI/CNRS, Physiology and Pathophysiology Laboratory, 7 Quai St Bernard, Paris, 75252 Cedex 5, France
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Sanchez C, Deberg MA, Bellahcène A, Castronovo V, Msika P, Delcour JP, Crielaard JM, Henrotin YE. Phenotypic characterization of osteoblasts from the sclerotic zones of osteoarthritic subchondral bone. ACTA ACUST UNITED AC 2008; 58:442-55. [DOI: 10.1002/art.23159] [Citation(s) in RCA: 118] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Choi SI, Heo TR, Min BH, Cui JH, Choi BH, Park SR. Alleviation of osteoarthritis by calycosin-7-O-beta-D-glucopyranoside (CG) isolated from Astragali radix (AR) in rabbit osteoarthritis (OA) model. Osteoarthritis Cartilage 2007; 15:1086-92. [PMID: 17408983 DOI: 10.1016/j.joca.2007.02.015] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2006] [Accepted: 02/10/2007] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This work was undertaken to assess the protective effect of an isoflavonoid, calycosin-7-O-beta-D-glucopyranoside (CG), isolated from Astragali radix (AR) on the pathogenesis of osteoarthritis (OA)-like lesion in a rabbit model. METHODS Nine rabbits underwent an anterior cruciate ligament and menisectomy transection (ACLMT) of the rear knee joints to induce OA-like lesion. They were randomly divided into three groups (n=6/group): a negative control group treated with 200 microl of 0.5% (v/v) dimethyl sulfoxide (DMSO), a positive control group treated with 200 microl of 100 microM piroxicam, and a test group treated with 100 microg/500 microl of CG, where the test agents were administered by injection once a week for 4 weeks starting from the third week. Rabbits were then sacrificed to observe the progression of OA-like lesion. The synovial fluid was analyzed for the amounts of total proteins, glycosaminoglycans (GAG) and prostaglandin E(2) (PGE(2)). In addition, histopathologic analyses were performed on the OA-like articular cartilage with or without therapeutic treatments. RESULTS The total synovial fluid volume (P<0.05) was most strikingly reduced by the treatment with CG. Moreover, the CG treatment also significantly alleviated the OA-induced accumulation of prostaglandin (PG) (P<0.001) and total proteins (P<0.001) in the synovial fluid. The histopathologic analyses revealed that the CG treatment reduced the severity of the OA-like structural damages in the cartilage. However, the level of PGE(2), a pathologic inflammatory molecule, was not diminished by CG or piroxicam. CONCLUSION These results indicate that the isoflavonoid CG isolated from AR significantly alleviated the pathologic changes in the OA-like rabbit knee joints. This suggests that CG from AR could be a promising treatment for the therapy of OA.
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Affiliation(s)
- S I Choi
- Department of Biological Engineering, Inha University, Incheon 402-751, South Korea
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Toegel S, Huang W, Piana C, Unger FM, Wirth M, Goldring MB, Gabor F, Viernstein H. Selection of reliable reference genes for qPCR studies on chondroprotective action. BMC Mol Biol 2007; 8:13. [PMID: 17324259 PMCID: PMC1820791 DOI: 10.1186/1471-2199-8-13] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2006] [Accepted: 02/26/2007] [Indexed: 12/19/2022] Open
Abstract
Background Chondroprotective agents (CPA) such as glucosamine, curcumin and diacerein represent potential remedies for the management of osteoarthritis and several studies have been performed on their effects in-vitro and in-vivo. For the investigation of chondroprotective action on chondrocyte gene expression, quantitative real-time RT-PCR is the method of choice. However, validation of applied normalization strategies represents a crucial and sometimes neglected step in the analysis process. Therefore, the present study aimed to determine the expression stability of common reference genes (ACTB, Beta actin; GAPDH, Glyceraldehyde-3-phosphate; B2M, Beta-2-microglobulin; HPRT1, Hypoxanthine phosphoribosyl-transferase I; SDHA, Succinate dehydrogenase complex, subunit A; YWHAZ, Tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein, zeta polypeptide) under the influence of glucosamine, curcumin and diacerein in the IL-1β-stimulated C-28/I2 chondrocyte model, using the geNorm software tool. Results CPA treatment of C-28/I2 chondrocytes significantly affected the expression level of many reference genes (p < 0.05). According to their expression stability, geNorm analysis revealed rankings of the 3 most stable genes (from most stable to least stable) as follows: GAPDH, B2M and SDHA in glucosamine treated samples and HPRT1, GAPDH and B2M in curcumin or diacerein treated samples. Interestingly, ACTB was one of the most variably expressed genes throughout all experiments. Conclusion Our study points out the problem of relying on commonly used reference genes without an accurate validation process. For normalization purposes in gene profiling studies on glucosamine action, the genes GAPDH, B2M and SDHA are recommended as single reference genes depending on the expression level of the target gene or more favourably in combination. For experiments with curcumin and diacerein the use of HPRT1, GAPDH and B2M should be considered.
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Affiliation(s)
- Stefan Toegel
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Wenwen Huang
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Claudia Piana
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Frank M Unger
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Michael Wirth
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Mary B Goldring
- Beth Israel Deaconess Medical Center, New England Baptist Bone and Joint Institute, and Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Franz Gabor
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Helmut Viernstein
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
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Huang Q, Lu G, Shen HM, Chung MCM, Ong CN. Anti-cancer properties of anthraquinones from rhubarb. Med Res Rev 2007; 27:609-30. [PMID: 17022020 DOI: 10.1002/med.20094] [Citation(s) in RCA: 393] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Rhubarb has been used as a traditional Chinese medicine since ancient times and today it is still present in various herbal preparations. In this review the toxicological and anti-neoplastic potentials of the main anthraquinones from Rhubarb, Rheum palmatum, will be highlighted. It is interesting to note that although the chemical structures of various anthraquinones in this plant are similar, their bioactivities are rather different. The most abundant anthraquinone of rhubarb, emodin, was capable of inhibiting cellular proliferation, induction of apoptosis, and prevention of metastasis. These capabilities are reported to act through tyrosine kinases, phosphoinositol 3-kinase (PI3K), protein kinase C (PKC), NF-kappa B (NF-kappaB), and mitogen-activated protein kinase (MAPK) signaling cascades. Aloe-emodin is another major component in rhubarb found to have anti-tumor properties. Its anti-proliferative property has been demonstrated to be through the p53 and its downstream p21 pathway. Our recent proteomic study also suggests that the molecular targets of these two anthraquinones are different. However, both components were found to be able to potentiate the anti-proliferation of various chemotherapeutic agents. Rhein is the other major rhubarb anthraquinone, although less well studied. This compound could effectively inhibit the uptake of glucose in tumor cells, caused changes in membrane-associated functions and led to cell death. Interestingly, all three major rhubarb anthraquinones were reported to have in vitro phototoxic. This re-evaluation of an old remedy suggests that several bioactive anthraquinones of rhubarb possess promising anti-cancer properties and could have a broad therapeutic potential.
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Affiliation(s)
- Qing Huang
- Department of Community, Occupational and Family Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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Sanchez C, Deberg MA, Piccardi N, Msika P, Reginster JYL, Henrotin YE. Osteoblasts from the sclerotic subchondral bone downregulate aggrecan but upregulate metalloproteinases expression by chondrocytes. This effect is mimicked by interleukin-6, -1beta and oncostatin M pre-treated non-sclerotic osteoblasts. Osteoarthritis Cartilage 2005; 13:979-87. [PMID: 16243232 DOI: 10.1016/j.joca.2005.03.008] [Citation(s) in RCA: 134] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2004] [Accepted: 03/14/2005] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To determine the effects of osteoarthritic (OA) subchondral osteoblasts on the metabolism of human OA chondrocytes in alginate beads. METHODS Human chondrocytes were isolated from OA cartilage and cultured in alginate beads for 4 days in the absence or in the presence of osteoblasts isolated from non-sclerotic (N) or sclerotic (SC) zones of human OA subchondral bone in monolayer (co-culture system). Before co-culture, osteoblasts were incubated for 72 h with or without 1.7ng/ml interleukin (IL)-1beta, 100 ng/ml IL-6 with its soluble receptor (50 ng/ml) or 10 ng/ml oncostatin M (OSM). Aggrecan (AGG) and matrix metalloproteases (MMP)-3 and -13 mRNA levels in chondrocytes were quantified by real-time polymerase chain reaction. AGG production was assayed by a specific enzyme amplified sensitivity immunoassay. RESULTS SC, but not N, osteoblasts induced a significant inhibition of AGG production and AGG gene expression by human OA chondrocytes in alginate beads, and significantly increased MMP-3 and MMP-13 gene expression by chondrocytes. When they were pre-incubated with IL-1beta, IL-6 or OSM, N osteoblasts inhibited AGG synthesis and increased MMP-3 and -13 gene expression by chondrocytes in alginate beads in a same order of magnitude as SC osteoblasts. CONCLUSIONS These results demonstrate that SC OA subchondral osteoblasts could contribute to cartilage degradation by stimulating chondrocytes to produce more MMP and also by inhibiting AGG synthesis.
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Affiliation(s)
- C Sanchez
- Bone and Cartilage Metabolism Research Unit, Institute of Pathology B23, University Hospital, Sart-Tilman, 4000 Liège, Belgium
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Henrotin Y, Sanchez C, Balligand M. Pharmaceutical and nutraceutical management of canine osteoarthritis: present and future perspectives. Vet J 2005; 170:113-23. [PMID: 15993795 DOI: 10.1016/j.tvjl.2004.08.014] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2004] [Indexed: 12/01/2022]
Abstract
Osteoarthritis (OA) is one of the most common chronic musculoskeletal diseases and causes of lameness in the dogs. The osteoarthritic disease process involves the entire synovial joint, encompassing the synovium, cartilage and underlying bone. Joint failure results from an abnormal mechanical strain causing damage to normal tissue or failure of pathologically impaired articular cartilage and bone under the influence of normal physiological strain or a combination of both. In both cases, the end point is cartilage loss and joint impairment. Osteoarthritic chondrocytes show an altered phenotype characterised by an excess production of catabolic factors, including metalloproteinases and reactive oxygen species. These factors constitute potential therapeutic targets and some new drugs and nutraceuticals have been proposed to promote the return to homeostasis. Until now, the therapeutic management of OA in dogs has been dominated by nonsteroidal anti-inflammatory drugs, but some new compounds, including diacerhein, with potential structure-modifying effects, are already used to treat OA in humans and could be helpful to manage OA in the dog. In addition, novel nutraceuticals, such as avocado/soybean unsaponifiable substances, have shown symptomatic effects in knee OA in humans, and could offer an alternative to prevent OA progression. This paper provides an overview of recent discoveries in the pathophysiology and in the therapeutic management of osteoarthritis in dogs.
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Affiliation(s)
- Yves Henrotin
- Bone and Cartilage Research Unit, Institute of Pathology, Level +5, CHU Sart-Tilman, 4000 Liège, Belgium.
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Sanchez C, Deberg MA, Burton S, Devel P, Reginster JYL, Henrotin YE. Differential regulation of chondrocyte metabolism by oncostatin M and interleukin-6. Osteoarthritis Cartilage 2004; 12:801-10. [PMID: 15450530 DOI: 10.1016/j.joca.2004.06.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2004] [Accepted: 06/18/2004] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To determine the effects of interleukin (IL)-6 and oncostatin M (OSM) added separately or in combination with IL-1beta on human osteoarthritic (OA) chondrocytes in alginate beads. DESIGN Human chondrocytes were isolated from OA cartilage and cultured in alginate beads for 12 days, in the absence or in the presence of increasing amounts of IL-6 (20-500ng/ml) with its soluble receptor or OSM (0.1-10ng/ml) and with or without IL-1beta (1.7ng/ml). Aggrecan (AGG), transforming growth factor-beta1 (TGF-beta1), stromelysin-1 [matrix metalloprotease (MMP)-3], tissue inhibitor of metalloproteinases-1 (TIMP-1), macrophage inflammatory protein-1 beta (MIP-1beta), IL-6 and IL-8 productions were assayed by specific enzyme amplified sensitivity immunoassays. Prostaglandin (PG)E(2) was measured by a specific radioimmunoassay and nitrite (NO(2)(-)) by a spectrophotometric method based upon the Griess reaction. RESULTS OSM, but not IL-6, decreased basal AGG and TGF-beta1 synthesis. Although IL-6 stimulated basal TIMP-1 production, it did not significantly modify MMP-3/TIMP-1 ratio. In contrast, 10ng/ml OSM highly increased TIMP-1 production, and decreased by half the ratio MMP-3/TIMP-1. IL-1beta highly stimulated *NO, IL-8, IL-6, MIP-1beta and PGE(2) synthesis but decreased AGG and TGF-beta1 production. Neither IL-6 nor OSM modulated IL-1beta-inhibitory effect on AGG production. IL-6, but not OSM, reversed IL-1beta-induced TGF-beta1 inhibition. At 1-10ng/ml, OSM significantly decreased IL-1beta-stimulated IL-8, MIP-1beta, PGE(2) and *NO production but amplified IL-1beta stimulating effect on IL-6 production. IL-6 had no effect on these parameters. CONCLUSIONS OSM and IL-6, two glycoprotein 130 binding cytokines, show different activity profiles on OA chondrocytes, indicating that these cytokines could play different roles in the OA disease process.
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Affiliation(s)
- Christelle Sanchez
- Bone and Cartilage Metabolism Research Unit, Institute of Pathology B23, University Hospital, Sart-Tilman, 4000 Liège, Belgium
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Leonard M, De Boisseson MR, Hubert P, Dalençon F, Dellacherie E. Hydrophobically modified alginate hydrogels as protein carriers with specific controlled release properties. J Control Release 2004; 98:395-405. [PMID: 15312995 DOI: 10.1016/j.jconrel.2004.05.009] [Citation(s) in RCA: 143] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2003] [Accepted: 05/17/2004] [Indexed: 11/19/2022]
Abstract
Amphiphilic derivatives of sodium alginate, prepared by chemical covalent binding of long alkyl chains onto the polysaccharide backbone via ester functions, form strong hydrogels in aqueous solutions. The shear-thinning and thixotropic behaviors of these hydrogels have been exploited to prepare particles (millimetric beads or microparticles) by dispersion in sodium chloride solutions. This all-aqueous procedure was used for the encapsulation of model proteins, such as bovine serum albumin (BSA) and human hemoglobin (Hb), or of a vaccine protein (Helicobacter pylori (H. pylori) urease). In all cases, the encapsulation yields were very high (70-100%). No release of model proteins was observed in water within several days, in contrast with protein-loaded calcium alginate particles, which exhibit an important release within only a few hours. The controlled release of proteins can, however, be achieved by inducing the dissociation of the physical hydrophobic network. This dissociation has been obtained either by addition of surfactants, acting as disrupting agents of intermolecular hydrophobic junctions, or of esterases such as lipases, which hydrolyze the ester bond between alkyl chains and the polysaccharide backbone. The level of immunization against H. pylori infection in mice, induced by encapsulated urease administrated by either systemic or mucosal routes, was also assessed.
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Affiliation(s)
- M Leonard
- Laboratoire de Chimie Physique Macromoléculaire, Groupe ENSIC, BP 451, UMR CNRS-INPL 7568, 54001 Nancy Cedex, France.
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Martin G, Bogdanowicz P, Domagala F, Ficheux H, Pujol JP. Rhein inhibits interleukin-1 beta-induced activation of MEK/ERK pathway and DNA binding of NF-kappa B and AP-1 in chondrocytes cultured in hypoxia: a potential mechanism for its disease-modifying effect in osteoarthritis. Inflammation 2004; 27:233-46. [PMID: 14527176 DOI: 10.1023/a:1025040631514] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
In the present report, we show that bovine articular chondrocytes cultured in low oxygen tension, i.e. in conditions mimicking their hypoxic in vivo environment, respond to IL-1beta (10 ng/mL) by an increased DNA binding activity of NF-kappaB and AP-1 transcription factors. Incubation of the cells with 10(-5) M rhein for 24 h was found to reduce this activity, particularly in the case of AP-1. Mitogen activated kinases (ERK-1 and ERK-2) were activated by exposure of the chondrocytes to 1-h treatment with IL-1beta. This effect was greater in hypoxia (3% O2) than in normoxia (21% O2). Rhein was capable of reducing the IL-1beta-stimulated ERK1/ERK2 pathway whatever the tension of oxygen present in the environment. The level of c-jun protein, an element of AP-1 complex, was increased by exposure of the chondrocytes to IL-1beta after 2, 6, and 24 h. Addition of rhein at 10(-5) M for 24 h did not reduce the c-jun protein amount. The mRNA steady-state levels of collagen type II (COL2A1) and aggrecan core protein were found to be significantly increased by a 24-h treatment with 10(-5) M rhein. This stimulating effect was also observed in the presence of IL-1beta, suggesting that the drug could prevent or reduce the IL-1beta-induced inhibition of extracellular matrix synthesis. IL-1-induced collagenase (MMPI) expression was significantly decreased by rhein in the same conditions. In conclusion, rhein can effectively inhibit the IL-1-activated MAPK pathway and the binding of NF-kappaB and AP-1 transcription factors, two key factors involved in the expression of several proinflammatory genes by chondrocytes. In addition, the drug can reduce the procatabolic effect of the cytokine, by reducing the MMPI synthesis, and enhance the synthesis of matrix components, such as type II collagen and aggrecan. These results may explain the antiosteoarthritic properties of rhein and its disease-modifying effects on OA cartilage, in spite of absence of inhibition at prostaglandin level.
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Affiliation(s)
- Grégoire Martin
- Laboratory of Connective Tissue Biochemistry, Faculty of Medicine, Caen Cedex, France
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