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Lee YT, Mohd Yunus MH, Yazid MD, Ugusman A. Unraveling the path to osteoarthritis management: targeting chondrocyte apoptosis for therapeutic intervention. Front Cell Dev Biol 2024; 12:1347126. [PMID: 38827524 PMCID: PMC11140145 DOI: 10.3389/fcell.2024.1347126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 05/06/2024] [Indexed: 06/04/2024] Open
Abstract
Osteoarthritis (OA) is a chronic disease affecting joints and further causing disabilities. This disease affects around 240 million people worldwide. It is a multifactorial disease, and its etiology is difficult to determine. Although numerous therapeutic strategies are available, the therapies are aimed at reducing pain and improving patients' quality of life. Hence, there is an urgent need to develop disease-modifying drugs (DMOAD) that can reverse or halt OA progression. Apoptosis is a cell removal process that is important in maintaining homeostatic mechanisms in the development and sustaining cell population. The apoptosis of chondrocytes is believed to play an important role in OA progression due to poor chondrocytes self-repair abilities to maintain the extracellular matrix (ECM). Hence, targeting chondrocyte apoptosis can be one of the potential therapeutic strategies in OA management. There are various mediators and targets available to inhibit apoptosis such as autophagy, endoplasmic reticulum (ER) stress, oxidative stress, and inflammation. As such, this review highlights the importance and potential targets that can be aimed to reduce chondrocyte apoptosis.
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Affiliation(s)
- Yi Ting Lee
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
| | - Mohd Heikal Mohd Yunus
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
| | - Muhammad Dain Yazid
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
| | - Azizah Ugusman
- Department of Physiology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
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Gong Y, Li S, Wu J, Zhang T, Fang S, Feng D, Luo X, Yuan J, Wu Y, Yan X, Zhang Y, Zhu J, Wu J, Lian J, Xiang W, Ni Z. Autophagy in the pathogenesis and therapeutic potential of post-traumatic osteoarthritis. BURNS & TRAUMA 2023; 11:tkac060. [PMID: 36733467 PMCID: PMC9887948 DOI: 10.1093/burnst/tkac060] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/29/2022] [Indexed: 02/04/2023]
Abstract
Autophagy, as a fundamental mechanism for cellular homeostasis, is generally involved in the occurrence and progression of various diseases. Osteoarthritis (OA) is the most common musculoskeletal disease that often leads to pain, disability and economic loss in patients. Post-traumatic OA (PTOA) is a subtype of OA, accounting for >12% of the overall burden of OA. PTOA is often caused by joint injuries including anterior cruciate ligament rupture, meniscus tear and intra-articular fracture. Although a variety of methods have been developed to treat acute joint injury, the current measures have limited success in effectively reducing the incidence and delaying the progression of PTOA. Therefore, the pathogenesis and intervention strategy of PTOA need further study. In the past decade, the roles and mechanisms of autophagy in PTOA have aroused great interest in the field. It was revealed that autophagy could maintain the homeostasis of chondrocytes, reduce joint inflammatory level, prevent chondrocyte death and matrix degradation, which accordingly improved joint symptoms and delayed the progression of PTOA. Moreover, many strategies that target PTOA have been revealed to promote autophagy. In this review, we summarize the roles and mechanisms of autophagy in PTOA and the current strategies for PTOA treatment that depend on autophagy regulation, which may be beneficial for PTOA patients in the future.
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Affiliation(s)
| | | | | | - Tongyi Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China,Department of General practice, Chinese PLA General Hospital of the Central Theater Command, Wuluo Street, Wuchang District, Wuhan 430000, China
| | - Shunzheng Fang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Daibo Feng
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Xiaoqing Luo
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Changjiang Street, Yuzhong District, Chongqing 400042, China
| | - Jing Yuan
- Department of Biochemistry and Molecular Biology, College of Basic Medical Sciences, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yaran Wu
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Xiaojing Yan
- Department of Clinical Biochemistry, Faculty of Pharmacy and Laboratory Medicine, Army Medical University, Gantaoyan Street, Shapinba District, Chongqing 400038, China
| | - Yan Zhang
- Department of Pediatrics, People's Hospital Affiliated to Chongqing Three Gorges Medical College, Guoben Street, Wanzhou district, Chongqing 404000, China
| | - Jun Zhu
- Department of Cardiology, Shanghai Hospital, Shanghai Street, Wanzhou District, Chongqing 404000, China
| | - Jiangyi Wu
- Department of Sports Medicine and Rehabilitation, Shenzhen Hospital, Peking University, Lianhua Street, Futian District, Shenzhen 518034, China
| | - Jiqin Lian
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Wei Xiang
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
| | - Zhenhong Ni
- Correspondence. Zhenghong Ni, ; Wei Xiang, ; Jiqin Lian,
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Li Z, Li D, Su H, Xue H, Tan G, Xu Z. Autophagy: An important target for natural products in the treatment of bone metabolic diseases. Front Pharmacol 2022; 13:999017. [DOI: 10.3389/fphar.2022.999017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/08/2022] [Indexed: 11/19/2022] Open
Abstract
Bone homeostasis depends on a precise dynamic balance between bone resorption and bone formation, involving a series of complex and highly regulated steps. Any imbalance in this process can cause disturbances in bone metabolism and lead to the development of many associated bone diseases. Autophagy, one of the fundamental pathways for the degradation and recycling of proteins and organelles, is a fundamental process that regulates cellular and organismal homeostasis. Importantly, basic levels of autophagy are present in all types of bone-associated cells. Due to the cyclic nature of autophagy and the ongoing bone metabolism processes, autophagy is considered a new participant in bone maintenance. Novel therapeutic targets have emerged as a result of new mechanisms, and bone metabolism can be controlled by interfering with autophagy by focusing on certain regulatory molecules in autophagy. In parallel, several studies have reported that various natural products exhibit a good potential to mediate autophagy for the treatment of metabolic bone diseases. Therefore, we briefly described the process of autophagy, emphasizing its function in different cell types involved in bone development and metabolism (including bone marrow mesenchymal stem cells, osteoblasts, osteocytes, chondrocytes, and osteoclasts), and also summarized research advances in natural product-mediated autophagy for the treatment of metabolic bone disease caused by dysfunction of these cells (including osteoporosis, rheumatoid joints, osteoarthritis, fracture nonunion/delayed union). The objective of the study was to identify the function that autophagy serves in metabolic bone disease and the effects, potential, and challenges of natural products for the treatment of these diseases by targeting autophagy.
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Yue Y, Wang Y, Tu Q, Xu Y, Zhang Y, Tang Q, Liu J. A comprehensive insight into the effects of punicalagin on pepsin: Multispectroscopy and simulations methods. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Wang Z, Efferth T, Hua X, Zhang XA. Medicinal plants and their secondary metabolites in alleviating knee osteoarthritis: A systematic review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 105:154347. [PMID: 35914361 DOI: 10.1016/j.phymed.2022.154347] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/30/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND With the increasing ages of the general population, the incidence of knee osteoarthritis (KOA) is also rising, and KOA has become a major health problem worldwide. Recently, medicinal plants and their secondary metabolites have gained interest due to their activity in treating KOA. In this paper, a comprehensive systematic review of the literature was performed concerning the effects of medicinal plant extracts and natural compounds against KOA in recent years. The related molecular pathways of natural compounds against KOA were summarized, and the possible crosstalk among components in chondrocytes was discussed to propose possible solutions for the current situation of treating KOA. PURPOSE This review focused on the molecular mechanisms by which medicinal plants and their secondary metabolites act against KOA. METHODS Literature searches were performed in the PUBMED, Embase, Science Direct, and Web of Science databases for a 10-year period from 2011 to 2022 with the search terms "medicinal plants," "bioactive compounds," "natural products," "phytochemical," "knee osteoarthritis," "knee joint osteoarthritis," "knee osteoarthritis," "osteoarthritis of the knee," and "osteoarthritis of knee joint." RESULTS According to the results, substantial plant extracts and secondary metabolites show a positive effect in fighting KOA. Plant extracts and their secondary metabolites can affect the diagnostic and prognostic biomarkers of KOA. Natural products inhibit the expression of MMP1, MMP3, MMP19, syndecan IV, ADAMTS-4, ADAMTS-5, iNOS, COX-2, collagenases, IL-6, IL-1β, and TNF-α in vitro and in vivo and . Cytokines also upregulate the expression of collagen II and aggrecan. The main signaling pathways affected by the extracts and isolated compounds include AMPK, SIRT, NLRP3, MAPKs, PI3K/AKT, mTOR, NF-κB, WNT/β-catenin, JAK/STAT3, and NRF2, as well as the cell death modes apoptosis, autophagy, pyroptosis, and ferroptosis. CONCLUSION The role of secondary metabolites in different signaling pathways supplies a better understanding of their potential to develop further curative options for KOA.
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Affiliation(s)
- Zhuo Wang
- School of Kinesiology, Shenyang Sport University, No. 36 Jinqiansong East Road, Shenyang, China
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Xin Hua
- College of Life Science, Northeast Forestry University, No. 26 Hexing Road, Harbin, China; Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Ministry of Education, Northeast Forestry University, Harbin, China.
| | - Xin-An Zhang
- School of Kinesiology, Shenyang Sport University, No. 36 Jinqiansong East Road, Shenyang, China.
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DL-3-N-Butylphthalide Promotes Cartilage Extracellular Matrix Synthesis and Inhibits Osteoarthritis Development by Regulating FoxO3a. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9468040. [PMID: 35910845 PMCID: PMC9329036 DOI: 10.1155/2022/9468040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 06/23/2022] [Indexed: 12/04/2022]
Abstract
Osteoarthritis (OA) has been reported as a progressive disease in the elderly, primarily characterized by degenerated articular cartilage. There has been no satisfactory drug for the treatment of OA. DL-3-n-butylphthalide (NBP), a small molecule compound extracted from celery seeds, may have antiapoptotic, antioxidant, and anti-inflammatory activities in numerous studies. However, the effects of NBP on OA and its mechanisms have been rarely reported. In this study, the effect of NBP on OA in vitro and in vivo and its possible mechanism were investigated. The results showed that NBP injection into the knee joint inhibited osteoarthritis development in a rat model of osteoarthritis induced by DMM+ACLT. NBP could increase the expressions of extracellular matrix-related components (such as type II collagen, aggrecan, proteoglycan 4, and SRY-box 9) in human osteoarthritic chondrocytes and cartilage explants. Moreover, NBP promoted the expressions of SOD and CAT. NBP upregulated the expression of FoxO3a by inhibiting the PI3K/AKT pathway, which subsequently inhibited the apoptosis of human OA chondrocytes. In conclusion, NBP promotes cartilage extracellular matrix synthesis and inhibits osteoarthritis development and the underlying mechanism related to the activation of FoxO3a.
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PRDX2 Knockdown Inhibits Extracellular Matrix Synthesis of Chondrocytes by Inhibiting Wnt5a/YAP1/CTGF and Activating IL-6/JAK2/STAT3 Pathways in Deer Antler. Int J Mol Sci 2022; 23:ijms23095232. [PMID: 35563622 PMCID: PMC9103832 DOI: 10.3390/ijms23095232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 02/05/2023] Open
Abstract
Although peroxiredoxin 2 (PRDX2) plays a vital role in relieving oxidative stress, its physiological function in cartilage development remains almost unknown. In this study, we found that the expression of PRDX2 significantly increased in the chondrocytes compared with pre-chondrocytes. PRDX2 knockdown significantly decreased the expression of extracellular matrix (ECM) protein (Col2a and Aggrecan), which led to blocked cartilage formation. Moreover, PRDX2 knockdown also inhibited the expression of connective tissue growth factor (CTGF). CTGF is an important growth factor that regulates synthesis of ECM proteins. We explored the possible regulatory mechanism by which PRDX2 regulated the expression of CTGF. Our results demonstrated that PRDX2 knockdown downregulated the expression of CTGF by inhibiting Wnt5a/Yes-associated protein 1 (YAP1) pathway. In addition, PRDX2 knockdown promoted the expression of interleukin 6 (IL-6), indicating PRDX2 expression had an anti-inflammatory function during antler growth. Mechanistically, PRDX2 knockdown promoted cartilage matrix degradation by activating the IL-6-mediated Janus Kinase 2/Signal Transducer and Activator of Transcription 3 (JAK2/STAT3) signaling pathway. These results reveal that PRDX2 is a potential regulator that promotes cartilage extracellular matrix synthesis.
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Yi Y, Yang N, Luo Q, Tao X, Li Y. Delivery of Chondrocyte-Targeting sh-TTTY15 (Testis-Specific Transcript, Y-Linked 15) Nanoparticles Against LncRNA TTTY15 Improves Osteoarthritis by Regulating Autophagy and Oxidative Stress. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Objective: To explore the potential role of hyaluronic acid-modified peptide-lncRNA TTTY15 nanoparticles in joint injury of chondrocytes in OA rats. Methods: Cell proliferation, apoptosis and oxidative stress were tested by CCK8, flow cytometry and biochemical analysis.
Histopathology and LC3 expression were analyzed by HE, TUNEL and IF. The expression levels of TTTY15, LC3, p62, c-caspase3, Col2A1, ACAN, ADAMTS-5 and MMP13 were tested by RT–qPCR, western blotting and IHC. Autophagosomes were observed by TEM. Results: Bioinformatics and RT–PCR
analyses showed that TTTY15 was highly expressed in OA- and TBHP-stimulated chondrocytes. Ov-TTTY15 aggravated TBHP-induced activity decreases, apoptosis, oxidative stress, ECM degradation and autophagic flux reduction in chondrocytes. HA-coated-p5RHH-sh-TTTY15 nanoparticle intervention enhanced
the stability and prolonged TTTY15 silencing in chondrocytes. HA-coated-p5RHH-sh-TTTY15 nanoparticles inhibited TBHP-induced C-28/I2 cell damage and activated autophagy, and the inhibitory effect was greater than that of sh-TTTY15. Conclusion: HA-coated-p5RHH-sh-TTTY15 nanoparticles
enhanced the stable silencing of TTTY15 in chondrocytes; promoted cell proliferation; inhibited apoptosis, oxidative stress and ECM degradation; and activated autophagy to improve joint injury in OA rats.
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Affiliation(s)
- Yangfei Yi
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine; Department of Clinical Medicine, School of Medicine, Hunan Normal University, Changsha, 410013, PR China
| | - Ningyin Yang
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine; Department of Clinical Medicine, School of Medicine, Hunan Normal University, Changsha, 410013, PR China
| | - Qian Luo
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine; Department of Clinical Medicine, School of Medicine, Hunan Normal University, Changsha, 410013, PR China
| | - Xiaojun Tao
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine; Department of Clinical Medicine, School of Medicine, Hunan Normal University, Changsha, 410013, PR China
| | - Yufei Li
- Key Laboratory of Study and Discovery of Small Targeted Molecules of Hunan Province, School of Medicine; Department of Clinical Medicine, School of Medicine, Hunan Normal University, Changsha, 410013, PR China
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9
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Yu ZY, Xu K, Wang X, Wen YT, Wang LJ, Huang DQ, Chen XX, Chai WM. Punicalagin as a novel tyrosinase and melanin inhibitor: Inhibitory activity and mechanism. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113318] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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He X, Pei S, Meng X, Hua Q, Zhang T, Wang Y, Zhang Z, Zhu X, Liu R, Guo Y, Chen L, Li D. Punicalagin Attenuates Neuronal Apoptosis by Upregulating 5-Hydroxymethylcytosine in the Diabetic Mouse Brain. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4995-5004. [PMID: 35412829 DOI: 10.1021/acs.jafc.2c00863] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Punicalagin exerts neuroprotective activity by improving AMP-activated kinase (AMPK) and mitochondrial Krebs cycle. AMPK and Krebs cycle metabolites regulate 5-hydroxymethylcytosine (5hmC) via acting on ten-eleven translocation (TET) enzymes. Therefore, we hypothesized that punicalagin inhibits diabetes-related neuronal apoptosis by upregulating 5hmC in the diabetic mouse brain. C57BL/6J mice aged 8 weeks were randomly separated into five groups (n = 10), normal control (NC), diabetes mellitus (DM), resveratrol (RES), low-dose punicalagin (LPU), and high-dose punicalagin (HPU). Compared with other groups, the neuronal apoptosis rate was significantly higher and the 5hmC level of the cerebral cortex was significantly lower in the DM group. The levels of TET2 and P-AMPKα/AMPKα were significantly lower in the DM group than in both LPU and HPU groups. The ratio of (succinic acid + fumaric acid)/α-ketoglutarate was significantly higher in the DM group than in other groups. The present results suggest that punicalagin upregulates 5hmC via activating AMPK and maintaining Krebs cycle homeostasis, thus inhibiting neuronal apoptosis in the diabetic mouse brain.
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Affiliation(s)
- Xin He
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Shengjie Pei
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Xiangyuan Meng
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Qinglian Hua
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Tianyu Zhang
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Yan Wang
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Zhizhao Zhang
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Xinyu Zhu
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Run Liu
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Yurong Guo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China
| | - Lei Chen
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
| | - Duo Li
- School of Public Health, Qingdao University, Qingdao 266000, China
- Institute of Nutrition & Health, Qingdao University, Qingdao 266000, China
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Do Pomegranate Hydrolyzable Tannins and Their Derived Metabolites Provide Relief in Osteoarthritis? Findings from a Scoping Review. Molecules 2022; 27:molecules27031033. [PMID: 35164312 PMCID: PMC8840395 DOI: 10.3390/molecules27031033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common form of arthritis affecting both the elderly and the middle-aged population. Although various therapeutics have been developed to arrest the structural deterioration of cartilage, the current treatments are limited to delay the progress of OA clinically. Therefore, it is pivotal to study new therapeutic agents for chondroprotection and the prevention of cartilage degeneration. Hydrolyzable tannin (HT)-containing foods aroused considerable interest in recent years for their relevant anti-inflammatory effects. The focus of this scoping review is to provide an overview of the evidence of the therapeutic potential of HTs and their metabolites in preventing or alleviating the course of OA. A broad search of PubMed and Scopus databases on this topic resulted in 156 articles. After the exclusion of reviews and not relevant records, 31 articles were retrieved. Although only some papers did not consider the biotransformation of HTs, most recent studies also have investigated the effect of HT metabolites. Further larger clinical trials, with an in-deep analysis of HT metabolization, are still needed to unravel the potential benefits of these compounds in OA, paving the way towards the development of a dietary strategy for the improvement of pro-inflammatory cytokine-induced chondrocyte dysfunctions and injuries.
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12
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Malek Mahdavi A, Javadivala Z. Systematic review of the effects of pomegranate ( Punica granatum) on osteoarthritis. Health Promot Perspect 2022; 11:411-425. [PMID: 35079584 PMCID: PMC8767078 DOI: 10.34172/hpp.2021.51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 10/17/2021] [Indexed: 11/09/2022] Open
Abstract
Background: Considering limitations of the established osteoarthritis (OA) medications, attention to adjuvant and complementary treatments has increased in OA individuals. Recent investigations have reported advantages of pomegranate in OA and indicate that pomegranate can be a therapeutic option; nevertheless, no systematic review exists regarding OA and pomegranate. Therefore, we systematically studied accessible researches regarding pomegranate and OA in human, animal, and in vitro models and likely mechanistic pathways. Methods: Present systematic review study was recorded on the international prospective register of systematic reviews database. Electronic databases (Scopus, PubMed, Embase, WOS, ProQuest) and search engine Google Scholar were searched until February 2021. Search alerts were turned on to recognize papers published following the primary search. Two investigators independently searched using MESH and non-MESH words in title, abstract, and keywords. Inclusion criteria were related clinical, animal, and in vitro studies published in any language as a full text. Exclusion criteria were reviews, book chapters, conference abstracts, and articles regarding pomegranate in health problems other than OA. Hand searching was used to check the references or citations of eligible papers and grey literature (theses etc.) to find potential researches. Results: Twenty-three articles were included in our systematic review. Human, animal, and in vitro researches demonstrated favorable properties of pomegranate in improving clinical features and reducing inflammatory, oxidative stress, and apoptosis markers in OA. Conclusion: Present paper provides convincing evidence about the efficacy of pomegranate in OA and gives a justification for the importance of additional clinical studies.
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Affiliation(s)
- Aida Malek Mahdavi
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeinab Javadivala
- Department of Health Education & Promotion, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran
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13
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Tian Z, Zhang X, Sun M. Phytochemicals Mediate Autophagy Against Osteoarthritis by Maintaining Cartilage Homeostasis. Front Pharmacol 2022; 12:795058. [PMID: 34987406 PMCID: PMC8722717 DOI: 10.3389/fphar.2021.795058] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/01/2021] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis (OA) is a common degenerative joint disease and is a leading cause of disability and reduced quality of life worldwide. There are currently no clinical treatments that can stop or slow down OA. Drugs have pain-relieving effects, but they do not slow down the course of OA and their long-term use can lead to serious side effects. Therefore, safe and clinically appropriate long-term treatments for OA are urgently needed. Autophagy is an intracellular protective mechanism, and targeting autophagy-related pathways has been found to prevent and treat various diseases. Attenuation of the autophagic pathway has now been found to disrupt cartilage homeostasis and plays an important role in the development of OA. Therefore, modulation of autophagic signaling pathways mediating cartilage homeostasis has been considered as a potential therapeutic option for OA. Phytochemicals are active ingredients from plants that have recently been found to reduce inflammatory factor levels in cartilage as well as attenuate chondrocyte apoptosis by modulating autophagy-related signaling pathways, which are not only widely available but also have the potential to alleviate the symptoms of OA. We reviewed preclinical studies and clinical studies of phytochemicals mediating autophagy to regulate cartilage homeostasis for the treatment of OA. The results suggest that phytochemicals derived from plant extracts can target relevant autophagic pathways as complementary and alternative agents for the treatment of OA if subjected to rigorous clinical trials and pharmacological tests.
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Affiliation(s)
- Zheng Tian
- School of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xinan Zhang
- School of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Mingli Sun
- School of Kinesiology, Shenyang Sport University, Shenyang, China
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