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Li Z, Li Y, Liu C, Gu Y, Han G. Research progress of the mechanisms and applications of ginsenosides in promoting bone formation. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155604. [PMID: 38614042 DOI: 10.1016/j.phymed.2024.155604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/03/2024] [Accepted: 04/07/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND Bone deficiency-related diseases caused by various factors have disrupted the normal function of the skeleton and imposed a heavy burden globally, urgently requiring potential new treatments. The multi-faceted role of compounds like ginsenosides and their interaction with the bone microenvironment, particularly osteoblasts can promote bone formation and exhibit anti-inflammatory, vascular remodeling, and antibacterial properties, holding potential value in the treatment of bone deficiency-related diseases and bone tissue engineering. PURPOSE This review summarizes the interaction between ginsenosides and osteoblasts and the bone microenvironment in bone formation, including vascular remodeling and immune regulation, as well as their therapeutic potential and toxicity in the broad treatment applications of bone deficiency-related diseases and bone tissue engineering, to provide novel insights and treatment strategies. METHODS The literature focusing on the mechanisms and applications of ginsenosides in promoting bone formation before March 2024 was searched in PubMed, Web of Science, Google Scholar, Scopus, and Science Direct databases. Keywords such as "phytochemicals", "ginsenosides", "biomaterials", "bone", "diseases", "bone formation", "microenvironment", "bone tissue engineering", "rheumatoid arthritis", "periodontitis", "osteoarthritis", "osteoporosis", "fracture", "toxicology", "pharmacology", and combinations of these keywords were used. RESULTS Ginsenoside monomers regulate signaling pathways such as WNT/β-catenin, FGF, and BMP/TGF-β, stimulating osteoblast generation and differentiation. It exerts angiogenic and anti-inflammatory effects by regulating the bone surrounding microenvironment through signaling such as WNT/β-catenin, NF-κB, MAPK, PI3K/Akt, and Notch. It shows therapeutic effects and biological safety in the treatment of bone deficiency-related diseases, including rheumatoid arthritis, osteoarthritis, periodontitis, osteoporosis, and fractures, and bone tissue engineering by promoting osteogenesis and improving the microenvironment of bone formation. CONCLUSION The functions of ginsenosides are diverse and promising in treating bone deficiency-related diseases and bone tissue engineering. Moreover, potential exists in regulating the bone microenvironment, modifying biomaterials, and treating inflammatory-related bone diseases and dental material applications. However, the mechanisms and effects of some ginsenoside monomers are still unclear, and the lack of clinical research limits their clinical application. Further exploration and evaluation of the potential of ginsenosides in these areas are expected to provide more effective methods for treating bone defects.
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Affiliation(s)
- Ze Li
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Yanan Li
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Chaoran Liu
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Yuqing Gu
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Guanghong Han
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China.
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Su J, Yu M, Wang H, Wei Y. Natural anti-inflammatory products for osteoarthritis: From molecular mechanism to drug delivery systems and clinical trials. Phytother Res 2023; 37:4321-4352. [PMID: 37641442 DOI: 10.1002/ptr.7935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 08/31/2023]
Abstract
Osteoarthritis (OA) is a degenerative joint disease that affects millions globally. The present nonsteroidal anti-inflammatory drug treatments have different side effects, leading researchers to focus on natural anti-inflammatory products (NAIPs). To review the effectiveness and mechanisms of NAIPs in the cellular microenvironment, examining their impact on OA cell phenotype and organelles levels. Additionally, we summarize relevant research on drug delivery systems and clinical randomized controlled trials (RCTs), to promote clinical studies and explore natural product delivery options. English-language articles were searched on PubMed using the search terms "natural products," "OA," and so forth. We categorized search results based on PubChem and excluded "natural products" which are mix of ingredients or compounds without the structure message. Then further review was separately conducted for molecular mechanisms, drug delivery systems, and RCTs later. At present, it cannot be considered that NAIPs can thoroughly prevent or cure OA. Further high-quality studies on the anti-inflammatory mechanism and drug delivery systems of NAIPs are needed, to determine the appropriate drug types and regimens for clinical application, and to explore the combined effects of different NAIPs to prevent and treat OA.
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Affiliation(s)
- Jianbang Su
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Minghao Yu
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Haochen Wang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yingliang Wei
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, China
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Chen J, Huang L, Liao X. Protective effects of ginseng and ginsenosides in the development of osteoarthritis (Review). Exp Ther Med 2023; 26:465. [PMID: 37664679 PMCID: PMC10468808 DOI: 10.3892/etm.2023.12164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 07/26/2023] [Indexed: 09/05/2023] Open
Abstract
Osteoarthritis (OA) is a chronic inflammatory joint disease. Traditional chinese medicine provides a resource for drug screening for OA treatment. Ginseng and the associated bioactive compound, ginsenosides, may reduce inflammation, which is considered a risk factor for the development of OA. Specifically, ginsenosides may exhibit anti-inflammatory and anti-oxidative stress activities, and inhibit extracellular matrix degradation by suppressing the NF-κB and MAPK signaling pathways. Notably, specific ginsenosides, such as compound K and Rk1, may physically interact with IκB kinase and inhibit the associated phosphorylation. Thus, ginsenosides exhibit potential as therapeutic candidates in the management of OA. However, the low water solubility limits the clinical applications of ginsenosides. Numerous effective strategies have been explored to improve bioavailability; however, further investigations are still required.
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Affiliation(s)
- Jincai Chen
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Lin Huang
- Department of Internal Medicine, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi 341000, P.R. China
| | - Xiaofei Liao
- Department of Pharmacy, Ganzhou People's Hospital, Ganzhou, Jiangxi 341000, P.R. China
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Guo Y, Tian T, Yang S, Cai Y. Ginsenoside Rg1/ADSCs supplemented with hyaluronic acid as the matrix improves rabbit temporomandibular joint osteoarthrosis. Biotechnol Genet Eng Rev 2023:1-22. [PMID: 36892223 DOI: 10.1080/02648725.2023.2183575] [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: 01/07/2023] [Accepted: 02/13/2023] [Indexed: 03/10/2023]
Abstract
OBJECTIVE To investigate whether and how ginsenoside Rg1/ADSCs supplemented with hyaluronic acid as the matrix can improve rabbit temporomandibular joint osteoarthrosis. METHOD Isolate and culture adipose stem cells, measure the activity of differentiated chondrocytes by MTT assay and expression of type II collagen in these cells by immunohistochemistry, in order to evaluate the effect of ginsenoside Rg1 on adipose stem cell proliferation and differentiation into chondrocytes.32 New Zealand white rabbits were randomly divided into four groups: blank group, model group, control group and experimental group, 8 in each group. Osteoarthritis model was established by intra-articular injection of papain. Two weeks after successful model building, medication was given for the rabbits in control group and experimental group. 0.6 mL ginsenoside Rg1/ ADSCs suspension was injected into superior joint space for the rabbits in control group, once a week; 0.6 mL ginsenoside Rg1/ ADSCs complex was injected for the rabbits in experimental group, once a week. RESULTS Ginsenoside Rg1 can promote ADSCs-derived chondrocytes' activity and expression of type II collagen. Scanning electron microscopy histology images showed cartilage lesions of the experimental group was significantly improved in comparison with control group. CONCLUSION Ginsenoside Rg1 can promote ADSCs differentiate into chondrocytes, and Ginsenoside Rg1/ADSCs supplemented with hyaluronic acid as the matrix can significantly improve rabbit temporomandibular joint osteoarthrosis.
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Affiliation(s)
- Yanwei Guo
- Department of Oral and Maxillofacial Surgery, Jining Stomatology Hospital, Jining City, Shandong Province, China
| | - Tingyu Tian
- The second Department of Pediatric Stomatology, Jinan Stomatology Hospital, Jinan City, Shandong Province, China
| | - Shimao Yang
- Department of Oral and Maxillofacial Surgery, Jinan Stomatology Hospital, Jinan City, Shandong Province, China
| | - Yuping Cai
- Department of prosthodontics, Jinan Stomatology Hospital, Jinan City, Shandong Province, China
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Ghafouri-Fard S, Balaei N, Shoorei H, Hasan SMF, Hussen BM, Talebi SF, Taheri M, Ayatollahi SA. The effects of Ginsenosides on PI3K/AKT signaling pathway. Mol Biol Rep 2022; 49:6701-6716. [PMID: 35220526 PMCID: PMC9270311 DOI: 10.1007/s11033-022-07270-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/15/2022] [Indexed: 12/14/2022]
Abstract
Ginsenosides belong to a group of steroid glycosides that are extracted from the plant genus Panax (ginseng). This plant has been used for a long time for the treatment of a variety of disorders in traditional medicine. Recent studies have assessed the biological impact of Ginsenosides in cell culture or animal models. Animal studies have shown their beneficial impacts in the remedy of pathological conditions in different tissues. The ameliorating effects of Ginsenosides in diverse pathogenic conditions can be attributed to their effects on the production of reactive oxygen species. These substances mainly affect the activity of AMPK/AKT and PI3K/AKT pathways. The beneficial effects of Ginsenosides have been appraised in diabetes-related complications, spinal cord injury, cerebral ischemia, myocardial ischemia, and other disorders which are associated with oxidative stress. Moreover, these substances have been shown to interfere with the pathologic conditions during carcinogenesis. In the current study, we explain these impacts in two distinct sections including non-neoplastic conditions and neoplastic conditions.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Neda Balaei
- Department of Pharmacology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Syed Muhammad Farid Hasan
- Department of Pharmaceutics, Faculty of Pharmacy and Pharmaceutical Sciences, University of Karachi, Karachi, Pakistan
| | - Bashdar Mahmud Hussen
- Department of Pharmacognosy, College of Pharmacy, Hawler Medical University, Kurdistan Region, Iraq
| | - Seyedeh Fahimeh Talebi
- Department of Pharmacology, College of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany.
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The Role of Mitochondrial Metabolism, AMPK-SIRT Mediated Pathway, LncRNA and MicroRNA in Osteoarthritis. Biomedicines 2022; 10:biomedicines10071477. [PMID: 35884782 PMCID: PMC9312479 DOI: 10.3390/biomedicines10071477] [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: 04/04/2022] [Revised: 06/16/2022] [Accepted: 06/17/2022] [Indexed: 11/20/2022] Open
Abstract
Osteoarthritis (OA) is the most common joint disease characterized by degeneration of articular cartilage and causes severe joint pain, physical disability, and impaired quality of life. Recently, it was found that mitochondria not only act as a powerhouse of cells that provide energy for cellular metabolism, but are also involved in crucial pathways responsible for maintaining chondrocyte physiology. Therefore, a growing amount of evidence emphasizes that impairment of mitochondrial function is associated with OA pathogenesis; however, the exact mechanism is not well known. Moreover, the AMP-activated protein kinase (AMPK)–Sirtuin (SIRT) signaling pathway, long non-coding RNA (lncRNA), and microRNA (miRNA) are important for regulating the physiological and pathological processes of chondrocytes, indicating that these may be targets for OA treatment. In this review, we first focus on the importance of mitochondria metabolic dysregulation related to OA. Then, we show recent evidence on the AMPK-SIRT mediated pathway associated with OA pathogenesis and potential treatment options. Finally, we discuss current research into the effects of lncRNA and miRNA on OA progression or inhibition.
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The Protective Effect of Ginsenoside Rg1 on Apoptosis in Human Ankle Joint Traumatic Arthritis Chondrocytes. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6798377. [PMID: 35497927 PMCID: PMC9050300 DOI: 10.1155/2022/6798377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 12/03/2022]
Abstract
The ankle biomechanics is easily changed due to the acute injury of the tissue around the ankle joint and the damage of the ankle joint structure, such as ankle instability and joint surface imbalance. When the mechanical load of the ankle changes, it can cause ankle regeneration and remodeling processes such as cartilage loss, bone remodeling, and degenerative changes. The aim of this study was to investigate the effect and mechanism of ginsenoside Rg1 against interleukin-1β (IL-1β)-induced apoptosis in human articular chondrocytes (HACs). The apoptosis model of HAC cells was established by IL-1β induction, and then the HAC cells were cultured with different concentrations of Rg1. The protective effect of Rg1 on HAC cell apoptosis was investigated by detecting the changes of apoptosis and activity of PI3K/Akt/mitochondrial signaling pathway. The results showed that a specific concentration of Rg1 could promote the proliferation of IL-1β-induced HAC cells and inhibit apoptosis. At the same time, Rg1 treatment with specific concentration can reduce the content of reactive oxygen species (ROS) and malondialdehyde (MDA) in HACs and improve the related expression of mitochondrial membrane potential (MMP). Furthermore, qRT-PCR and western blot results showed that Rg1 could improve the low expression of Bcl-2 and inhibit the high expression of Bax, caspase-3, caspase-8, caspase-9, FasL, AIF, and Cyto c in IL-1β-induced cells. In summary, Rg1 can inhibit IL-1β-induced apoptosis of HAC cells by decreasing the activity of PI3K/Akt/mitochondrial signaling pathway, and Rg1 has a protective effect on apoptosis of HAC cells.
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Zheng W, Li X, Li J, Wang X, Liu D, Zhai L, Ding B, Li G, Sun Y, Yokota H, Zhang P. Mechanical loading mitigates osteoarthritis symptoms by regulating the inflammatory microenvironment in a mouse model. Ann N Y Acad Sci 2022; 1512:141-153. [DOI: 10.1111/nyas.14760] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/27/2022] [Indexed: 12/13/2022]
Affiliation(s)
- Weiwei Zheng
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Xinle Li
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases Tianjin Medical University Tianjin China
| | - Jie Li
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases Tianjin Medical University Tianjin China
| | - Xiaoyu Wang
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Daquan Liu
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases Tianjin Medical University Tianjin China
| | - Lidong Zhai
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Beibei Ding
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Guang Li
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Yuting Sun
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
| | - Hiroki Yokota
- Department of Biomedical Engineering Indiana University‐Purdue University Indianapolis Indianapolis Indiana
| | - Ping Zhang
- Department of Anatomy and Histology, School of Basic Medical Sciences Tianjin Medical University Tianjin China
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases Tianjin Medical University Tianjin China
- Tianjin Key Laboratory of Spine and Spinal Cord Tianjin Medical University Tianjin China
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Ginsenoside Rg1 can restore hematopoietic function by inhibiting Bax translocation-mediated mitochondrial apoptosis in aplastic anemia. Sci Rep 2021; 11:12742. [PMID: 34140535 PMCID: PMC8211841 DOI: 10.1038/s41598-021-91471-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
The present study investigated, the anti-apoptotic activity of Ginsenoside Rg1 (Rg1) via inhibition of Bax translocation and the subsequent recovery of hematopoietic function. Mitochondrial apoptosis in bone marrow mononuclear cells (BMNCs) was observed in aplastic anemia (AA) patients. To establish a mouse model of AA, BALB/c mice were transplanted with lymph node cells from DBA/2 donor mice via vein injection after treatment with Co60 γ-radiation. After treatment with Rg1 for 14 days, the peripheral blood and Lin–Sca-1 + c-Kit + (LSK) cell counts of the treated group were increased compared with those of the untreated model mice. In in vivo and in vitro tests of LSKs, Rg1 was found to increase mitochondrial number and the ratio of Bcl-2/Bax and to decrease damage to the mitochondrial inner and outer membranes, the mitochondrial Bax level and the protein levels of mitochondrial apoptosis-related proteins AIF and Cyt-C by decreasing the ROS level. Rg1 also improved the concentration–time curve of MAO and COX and levels of ATP, ADP and AMP in an in vitro test. In addition, high levels of Bax mitochondrial translocation could be corrected by Rg1 treatment. Levels of markers of mitochondrial apoptosis in the Rg1-treated group were significantly better than those in the AA model group, implying that Rg1 might improve hematopoietic stem cells and thereby restore hematopoietic function in AA by suppressing the mitochondrial apoptosis mediated by Bax translocation.
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Tian-Huang Formula, a Traditional Chinese Medicinal Prescription, Improves Hepatosteatosis and Glucose Intolerance Targeting AKT-SREBP Nexus in Diet-Induced Obese Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6617586. [PMID: 33763145 PMCID: PMC7955866 DOI: 10.1155/2021/6617586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/21/2021] [Accepted: 02/05/2021] [Indexed: 02/06/2023]
Abstract
The progressive increase of metabolic diseases underscores the necessity for developing effective therapies. Although we found Tian-Huang formula (THF) could alleviate metabolic disorders, the underlying mechanism remains to be fully understood. In the present study, firstly, male Sprague-Dawley rats were fed with high-fat diet plus high-fructose drink (HFF, the diet is about 60% of calories from fat and the drink is 12.5% fructose solution) for 14 weeks to induce hepatosteatosis and glucose intolerance and then treated with THF (200 mg/kg) for 4 weeks. Then, metabolomics analysis was performed with rat liver samples and following the clues illustrated by Ingenuity Pathway Analysis (IPA) with the metabolomics discoveries, RT-qPCR and Western blotting were carried out to validate the putative pathways. Our results showed that THF treatment reduced the body weight from 735.1 ± 81.29 to 616.3 ± 52.81 g and plasma triglyceride from 1.5 ± 0.42 to 0.88 ± 0.33 mmol/L; meanwhile, histological examinations of hepatic tissue and epididymis adipose tissue showed obvious alleviation. Compared with the HFF group, the fasting serum insulin and blood glucose level of the THF group were improved from 20.77 ± 6.58 to 9.65 ± 5.48 mIU/L and from 8.96 ± 0.56 to 7.66 ± 1.25 mmol/L, respectively, so did the serum aspartate aminotransferase, insulin resistance index, and oral glucose tolerance (p = 0.0019, 0.0053, and 0.0066, respectively). Furthermore, based on a list of 32 key differential endogenous metabolites, the molecular networks generated by IPA suggested that THF alleviated glucose intolerance and hepatosteatosis by activating phosphatidylinositol-3 kinase (PI3K) and low-density lipoprotein receptor (LDL-R) involved pathways. RT-qPCR and Western blotting results confirmed that THF alleviated hepatic steatosis and glucose intolerance partly through protein kinase B- (AKT-) sterol regulatory element-binding protein (SREBP) nexus. Our findings shed light on molecular mechanisms of THF on alleviating metabolic diseases and provided further evidence for developing its therapeutic potential.
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Pérez-Lozano ML, Cesaro A, Mazor M, Esteve E, Berteina-Raboin S, Best TM, Lespessailles E, Toumi H. Emerging Natural-Product-Based Treatments for the Management of Osteoarthritis. Antioxidants (Basel) 2021; 10:265. [PMID: 33572126 PMCID: PMC7914872 DOI: 10.3390/antiox10020265] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/01/2021] [Accepted: 02/04/2021] [Indexed: 01/10/2023] Open
Abstract
Osteoarthritis (OA) is a complex degenerative disease in which joint homeostasis is disrupted, leading to synovial inflammation, cartilage degradation, subchondral bone remodeling, and resulting in pain and joint disability. Yet, the development of new treatment strategies to restore the equilibrium of the osteoarthritic joint remains a challenge. Numerous studies have revealed that dietary components and/or natural products have anti-inflammatory, antioxidant, anti-bone-resorption, and anabolic potential and have received much attention toward the development of new therapeutic strategies for OA treatment. In the present review, we provide an overview of current and emerging natural-product-based research treatments for OA management by drawing attention to experimental, pre-clinical, and clinical models. Herein, we review current and emerging natural-product-based research treatments for OA management.
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Affiliation(s)
- Maria-Luisa Pérez-Lozano
- Laboratory I3MTO, EA 4708, Université d’Orléans, CEDEX 2, 45067 Orléans, France; (M.-L.P.-L.); (A.C.); (E.L.)
- Plateforme Recherche Innovation Médicale Mutualisée d’Orléans, Centre Hospitalier Régional d’Orléans, 14 Avenue de l’Hôpital, 45100 Orléans, France
| | - Annabelle Cesaro
- Laboratory I3MTO, EA 4708, Université d’Orléans, CEDEX 2, 45067 Orléans, France; (M.-L.P.-L.); (A.C.); (E.L.)
- Plateforme Recherche Innovation Médicale Mutualisée d’Orléans, Centre Hospitalier Régional d’Orléans, 14 Avenue de l’Hôpital, 45100 Orléans, France
| | - Marija Mazor
- Center for Proteomics, Department for Histology and Embryology, Faculty of Medicine, University of Rijeka, B. Branchetta 20, 51000 Rijeka, Croatia;
| | - Eric Esteve
- Service de Dermatologie, Centre Hospitalier Régional d′Orléans, 14 Avenue de l’Hôpital, 45100 Orléans, France;
| | - Sabine Berteina-Raboin
- Institut de Chimie Organique et Analytique ICOA, Université d’Orléans-Pôle de Chimie, UMR CNRS 7311, Rue de Chartres-BP 6759, CEDEX 2, 45067 Orléans, France;
| | - Thomas M. Best
- Department of Orthopedics, Division of Sports Medicine, Health Sports Medicine Institute, University of Miami, Coral Gables, FL 33146, USA;
| | - Eric Lespessailles
- Laboratory I3MTO, EA 4708, Université d’Orléans, CEDEX 2, 45067 Orléans, France; (M.-L.P.-L.); (A.C.); (E.L.)
- Plateforme Recherche Innovation Médicale Mutualisée d’Orléans, Centre Hospitalier Régional d’Orléans, 14 Avenue de l’Hôpital, 45100 Orléans, France
- Centre Hospitalier Régional d’Orléans, Institut Département de Rhumatologie, 45067 Orléans, France
| | - Hechmi Toumi
- Laboratory I3MTO, EA 4708, Université d’Orléans, CEDEX 2, 45067 Orléans, France; (M.-L.P.-L.); (A.C.); (E.L.)
- Plateforme Recherche Innovation Médicale Mutualisée d’Orléans, Centre Hospitalier Régional d’Orléans, 14 Avenue de l’Hôpital, 45100 Orléans, France
- Centre Hospitalier Régional d’Orléans, Institut Département de Rhumatologie, 45067 Orléans, France
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Huang Q, Gao S, Zhao D, Li X. Review of ginsenosides targeting mitochondrial function to treat multiple disorders: Current status and perspectives. J Ginseng Res 2020; 45:371-379. [PMID: 34025130 PMCID: PMC8134842 DOI: 10.1016/j.jgr.2020.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 11/08/2020] [Accepted: 12/09/2020] [Indexed: 12/16/2022] Open
Abstract
Mitochondrial dysfunction contributes to the pathogenesis and prognosis of many common disorders, including neurodegeneration, stroke, myocardial infarction, tumor, and metabolic diseases. Ginsenosides, the major bioactive constituents of Panax ginseng (P. ginseng), have been reported to play beneficial roles in the molecular pathophysiology of these diseases by targeting mitochondrial dysfunction. In this review, we first introduce the types of ginsenosides and basic mitochondrial functions. Then, recent findings are summarized on different ginsenosides targeting mitochondria and their key signaling pathways for the treatment of multiple diseases, including neurological disorders, cancer, heart disease, hyperglycemia, and inflammation are summarized. This review may explain the common targets of ginsenosides against multiple diseases and provide new insights into the underlying mechanisms, facilitating research on the clinical application of P. ginseng.
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Affiliation(s)
- Qingxia Huang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, China
| | - Song Gao
- Jilin Xiuzheng Pharmaceutical New Drug Development Co., Ltd, Changchun, Jilin, China
| | - Daqing Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Corresponding author. Jilin Provincial Key Laboratory of BioMacromolecules of Chinese Medicine, Jilin Ginseng Academy, Changchun University of Chinese Medicine, 130117, Changchun, Jilin, China.
| | - Xiangyan Li
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, China
- Corresponding author. Jilin Ginseng Academy, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of BioMacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, 130117, Changchun, Jilin, China.
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Mao X, Fu P, Wang L, Xiang C. Mitochondria: Potential Targets for Osteoarthritis. Front Med (Lausanne) 2020; 7:581402. [PMID: 33324661 PMCID: PMC7726420 DOI: 10.3389/fmed.2020.581402] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a common and disabling joint disorder that is mainly characterized by cartilage degeneration and narrow joint spaces. The role of mitochondrial dysfunction in promoting the development of OA has gained much attention. Targeting endogenous molecules to improve mitochondrial function is a potential treatment for OA. Moreover, research on exogenous drugs to improve mitochondrial function in OA based on endogenous molecular targets has been accomplished. In addition, stem cells and exosomes have been deeply researched in the context of cartilage regeneration, and these factors both reverse mitochondrial dysfunctions. Thus, we hypothesize that biomedical approaches will be applied to the treatment of OA. Furthermore, we have summarized the global status of mitochondria and osteoarthritis research in the past two decades, which will contribute to the research field and the development of novel treatment strategies for OA.
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Affiliation(s)
- Xingjia Mao
- Department of Orthopedic, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Panfeng Fu
- Department of Respiratory and Critical Care, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, China
| | - Linlin Wang
- Department of Basic Medicine Sciences, The School of Medicine of Zhejiang University, Hangzhou, China
| | - Chuan Xiang
- Department of Orthopedic, The Second Hospital of Shanxi Medical University, Taiyuan, China
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Molecular Targets of Natural Products for Chondroprotection in Destructive Joint Diseases. Int J Mol Sci 2020; 21:ijms21144931. [PMID: 32668590 PMCID: PMC7404046 DOI: 10.3390/ijms21144931] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/06/2020] [Accepted: 07/08/2020] [Indexed: 12/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common type of arthritis that occurs in an aged population. It affects any joints in the body and degenerates the articular cartilage and the subchondral bone. Despite the pathophysiology of OA being different, cartilage resorption is still a symbol of osteoarthritis. Matrix metalloproteinases (MMPs) are important proteolytic enzymes that degrade extra-cellular matrix proteins (ECM) in the body. MMPs contribute to the turnover of cartilage and its break down; their levels have increased in the joint tissues of OA patients. Application of chondroprotective drugs neutralize the activities of MMPs. Natural products derived from herbs and plants developed as traditional medicine have been paid attention to, due to their potential biological effects. The therapeutic value of natural products in OA has increased in reputation due to their clinical impact and insignificant side effects. Several MMPs inhibitor have been used as therapeutic drugs, for a long time. Recently, different types of compounds were reviewed for their biological activities. In this review, we summarize numerous natural products for the development of MMPs inhibitors in arthritic diseases and describe the major signaling targets that were involved for the treatments of these destructive joint diseases.
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Yu H, Zhen J, Yang Y, Du J, Leng J, Tong Q. Rg1 protects H9C2 cells from high glucose-/palmitate-induced injury via activation of AKT/GSK-3β/Nrf2 pathway. J Cell Mol Med 2020; 24:8194-8205. [PMID: 32548942 PMCID: PMC7348154 DOI: 10.1111/jcmm.15486] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/06/2020] [Accepted: 05/24/2020] [Indexed: 12/15/2022] Open
Abstract
Our previous studies have assessed ginsenoside Rg1 (Rg1)‐mediated protection in a type 1 diabetes rat model. To uncover the mechanism through which Rg1 protects against cardiac injury induced by diabetes, we mimicked diabetic conditions by culturing H9C2 cells in high glucose/palmitate. Rg1 had no toxic effect, and it alleviated the high glucose/palmitate damage in a dose‐dependent manner, as indicated by 3‐(4,5‐dimethylthiazol‐2‐yl)‐2,5‐diphenyl tetrazolium bromide assay and lactate dehydrogenase release to the culture medium. Rg1 prevented high glucose/palmitate‐induced cell apoptosis, assessed using cleaved caspase‐3 and terminal deoxynucleotidyl transferase dUTP nick end labelling staining. Rg1 also reduced high glucose‐/palmitate‐induced reactive oxygen species formation and increased intracellular antioxidant enzyme activity. We found that Rg1 activates protein kinase B (AKT)/glycogen synthase kinase‐3 (GSK‐3β) pathway and antioxidant nuclear factor erythroid 2‐related factor 2 (Nrf2) pathway, indicated by increased phosphorylation of AKT and GSK‐3β, and nuclear translocation of Nrf2. We used phosphatidylinositol‐3‐kinase inhibitor Ly294002 to block the activation of the AKT/GSK‐3β pathway and found that it partially reversed the protection by Rg1 and decreased Nrf2 pathway activation. The results suggest that Rg1 exerts a protective effect against high glucose and palmitate damage that is partially AKT/GSK‐3β/Nrf2‐mediated. Further studies are required to validate these findings using primary cardiomyocytes and animal models of diabetes.
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Affiliation(s)
- Haitao Yu
- The First Hospital of Jilin University, Changchun, China
| | - Juan Zhen
- The First Hospital of Jilin University, Changchun, China
| | - Yang Yang
- The First Hospital of Jilin University, Changchun, China
| | - Jian Du
- The First Hospital of Jilin University, Changchun, China
| | - Jiyan Leng
- The First Hospital of Jilin University, Changchun, China
| | - Qian Tong
- The First Hospital of Jilin University, Changchun, China
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16
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Huang L, Peng Z, Lu C, Chen Y, Lv JW, Qin M, Liao DF, Liu XM, Shi Z. Ginsenoside Rg1 alleviates repeated alcohol exposure-induced psychomotor and cognitive deficits. Chin Med 2020; 15:44. [PMID: 32411290 PMCID: PMC7206760 DOI: 10.1186/s13020-020-00325-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 04/28/2020] [Indexed: 12/25/2022] Open
Abstract
Background Chronic alcohol consumption disrupts psychomotor and cognitive functions, most of which are subserved by the dysfunction of hippocampus. Dysregulated excitatory glutamatergic transmission is implicated in repeated alcohol induced psychomotor and cognitive impairment. Ginsenoside Rg1, one of the main active ingredient of the traditional tonic medicine Panax ginseng C.A. Meyer (Araliaceae), has been used to treat cognitive deficits. Particularly, Rg1 has been demonstrated to improve hippocampus-dependent learning in mice and attenuate glutamate-induced excitotoxicity in vitro. Thus, in the present research, we sought to investigate the therapeutic effects of Ginsenoside Rg1 on repeated alcohol induced psychomotor and cognitive deficits in hippocampal-dependent behavioral tasks and unravel the underpinnings of its neuroprotection. Methods Male ICR (CD-1) mice were consecutively intragastrically treated with 20% (w/v) alcohol for 21 days. Then, behavior tests were conducted to evaluate repeated alcohol induced psychomotor and cognitive deficits. Histopathological changes, and biochemical and molecular alterations were assessed to determine the potential neuroprotective mechanism of Rg1. Results The results suggested that Rg1, at the optimal dose of 6 mg/kg, has the potential to ameliorate repeated alcohol induced cognitive deficits by regulating activities of NR2B containing NMDARs and excitotoxic signaling. Conclusion Our findings further provided a new strategy to treat chronic alcohol exposure induced adverse consequences.
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Affiliation(s)
- Lu Huang
- 1Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha, 410208 Hunan China.,2Guangdong-Hongkong-Macau Institute of CNS Regeneration, Ministry of Education CNS Regeneration Collaborative Joint Laboratory, Jinan University, Guangzhou, 510632 China
| | - Zhuang Peng
- 1Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha, 410208 Hunan China.,5College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Cong Lu
- 3Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193 China
| | - Ying Chen
- 4Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700 China
| | - Jing-Wei Lv
- 3Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193 China
| | - Meng Qin
- 5College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029 China
| | - Duan-Fang Liao
- 1Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha, 410208 Hunan China
| | - Xin-Min Liu
- 1Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha, 410208 Hunan China.,3Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development (IMPLAD), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193 China
| | - Zhe Shi
- 1Division of Stem Cell Regulation and Application, Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha, 410208 Hunan China
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Pang X, Zhang P, Zhou Y, Zhao J, Liu H. Dexmedetomidine pretreatment attenuates isoflurane-induced neurotoxicity via inhibiting the TLR2/NF-κB signaling pathway in neonatal rats. Exp Mol Pathol 2020; 112:104328. [DOI: 10.1016/j.yexmp.2019.104328] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 10/25/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022]
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18
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Zhao Z, Li Y, Wang M, Jin Y, Liao W, Zhao Z, Fang J. Mitochondrial DNA haplogroups participate in osteoarthritis: current evidence based on a meta-analysis. Clin Rheumatol 2020; 39:1027-1037. [PMID: 31897963 DOI: 10.1007/s10067-019-04890-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 12/06/2019] [Accepted: 12/11/2019] [Indexed: 02/06/2023]
Abstract
Mitochondrial genes' variants encoded in both the nuclear and mitochondrial genomes can disrupt mitochondrial function, resulting in losing of cartilage and generating osteoarthritis (OA). However, the association between mtDNA haplogroups and OA still lacks strength evidence supporting. The aim of this meta-analysis is to assess the role of mtDNA haplogroups in speculating the pathogenesis and progression of OA. PubMed, Embase, the Cochrane Central Register of Controlled Trials, and World Health Organization clinical trials' registry center were searched to identify relevant studies up to the end of March 2019. Inclusion citations required a case-control or cohort study to demonstrate the association between mtDNA haplogroups and OA's prevalence or progression. Title, abstract, and full-text screening were sequentially assessed by three reviewers. Data were analyzed using STATA. Besides, publication bias and meta-regression analysis were conducted to explore potential heterogeneities. We collected results from 7 articles. The cluster TJ cases showed a lower proportion in OA cases (RR = 0.83, 95% CI 0.72, 0.96). However, there is no evidence that revealed this kind of impact originated from neither type J nor type T individually. Besides, the type B and G analyses among Asian populations also elucidated a negative association. Moreover, the cluster TJ of mtDNA haplogroups revealed a lower cumulative probability of radiographic OA progression (ES = 0.77, 95% CI 0.63, 0.94), which was contributed by type T (ES = 0.61, 95% CI 0.45, 0.82).The mtDNA haplogroups do have impacts on the prevalence and progression of OA. Cluster TJ could help reduce the prevalence and slow down the radiographic changes; however, the impacts came from type J and type T, respectively.
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Affiliation(s)
- Zhenxing Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - Yifei Li
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
- Ministry of Education Key Laboratory of Women and Children's Diseases and Birth Defects, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Mengjiao Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - Ying Jin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - Wen Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China
| | - Jie Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, 3rd section, South Renmin Road, Chengdu, 610041, Sichuan, China.
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Kang YH, Lee HJ, Lee CJ, Park JS. Natural Products as Sources of Novel Drug Candidates for the Pharmacological Management of Osteoarthritis: A Narrative Review. Biomol Ther (Seoul) 2019; 27:503-513. [PMID: 31646842 PMCID: PMC6824629 DOI: 10.4062/biomolther.2019.139] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 09/16/2019] [Accepted: 09/25/2019] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis is a chronic degenerative articular disorder. Formation of bone spurs, synovial inflammation, loss of cartilage, and underlying bone restructuring have been reported to be the main pathologic characteristics of osteoarthritis symptoms. The onset and progression of osteoarthritis are attributed to various inflammatory cytokines in joint tissues and fluids that are produced by chondrocytes and/or interact with chondrocytes, as well as to low-grade inflammation in intra-articular tissues. Disruption of the equilibrium between the synthesis and degradation of the cartilage of the joint is the major cause of osteoarthritis. Hence, developing a promising pharmacological tool to restore the equilibrium between the synthesis and degradation of osteoarthritic joint cartilage can be a useful strategy for effectively managing osteoarthritis. In this review, we provide an overview of the research results pertaining to the search for a novel candidate agent for osteoarthritis management via restoration of the equilibrium between cartilage synthesis and degradation. We especially focused on investigations of medicinal plants and natural products derived from them to shed light on the potential pharmacotherapy of osteoarthritis.
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Affiliation(s)
- Young-Hoon Kang
- Department of Oral Maxillofacial Surgery, Gyeongsang National University School of Medicine and Changwon Gyeongsang National University Hospital, Institute of Health Science, Gyeongsang National University, Jinju 52727, Republic of Korea
| | - Hyun Jae Lee
- Smith Liberal Arts College and Department of Addiction Science, Graduate School, Sahmyook University, Seoul 01795, Republic of Korea
| | - Choong Jae Lee
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Jin-Sung Park
- Department of Orthopaedic Surgery and Institute of Health Science, Gyeongsang National University School of Medicine and Gyeongsang National University Hospital, Jinju 52727, Republic of Korea
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20
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Xu X, Liu X, Yang Y, He J, Gu H, Jiang M, Huang Y, Liu X, Liu L. Resveratrol inhibits the development of obesity-related osteoarthritis via the TLR4 and PI3K/Akt signaling pathways. Connect Tissue Res 2019; 60:571-582. [PMID: 30922122 DOI: 10.1080/03008207.2019.1601187] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Aim of the study: Obesity leads to mild, chronic inflammation which is a primary risk factor for osteoarthritis (OA). Resveratrol exerts a protective effect on OA through its anti-inflammatory properties, but the precise mechanism remains unknown. The present study aimed to investigate the mechanism by which resveratrol alleviates obesity-related OA, and whether it is linked to the TLR4 and PI3K/Akt signaling pathways. Materials and methods: C57BL/6J male mice were fed a high-fat diet (HFD) with or without resveratrol treatment and knee joints were collected for analysis. In addition, IL-1β-induced SW1353 cells were used to study in vitro the reciprocal effects of TLR4 and PI3K/Akt pathways. Results: Resveratrol inhibited the development of OA in mice fed a HFD. TLR4 and PI3K/Akt signaling pathways were both activated in the articular cartilage; resveratrol treatment down-regulated TLR4 but up-regulated PI3K/Akt signaling. Further in vitro results showed that the effect of resveratrol alone on activation of PI3K/Akt was attenuated but not abolished by the TLR4 inhibitor CLI-095, and resveratrol failed to reduce TLR4 protein expression in IL-1β stimulated cells pretreated with the PI3K inhibitor LY294002. Conclusions: Resveratrol may exert an anti-osteoarthritic effect by inhibiting TLR4 via the activation of PI3K/Akt signaling pathways. Resveratrol has potential as a drug for OA prevention.
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Affiliation(s)
- Xiaolei Xu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China.,Department of Nutrition and Food Hygiene, School of Public Health, Beihua University , Jilin , China
| | - Xudan Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Yingchun Yang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Jianyi He
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Hailun Gu
- Department of Orthopedics, Shengjing Hospital, China Medical University , Shenyang , China
| | - Mengqi Jiang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Yue Huang
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Xiaotong Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
| | - Li Liu
- Department of Nutrition and Food Hygiene, School of Public Health, China Medical University , Shenyang , China
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21
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Wang Z, Hao J, Chen D. Long Noncoding RNA Nuclear Enriched Abundant Transcript 1 (NEAT1) Regulates Proliferation, Apoptosis, and Inflammation of Chondrocytes via the miR-181a/Glycerol-3-Phosphate Dehydrogenase 1-Like (GPD1L) Axis. Med Sci Monit 2019; 25:8084-8094. [PMID: 31658244 PMCID: PMC6836642 DOI: 10.12659/msm.918416] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background Osteoarthritis (OA) is one of the most common chronic musculoskeletal diseases, yet to date it lacks effective therapeutic strategies. Increasing evidence suggests that long noncoding RNAs (lncRNAs) serve pivotal roles in the occurrence and development of OA. However, the possible molecular mechanism involving lncRNAs, such as nuclear enriched abundant transcript 1 (NEAT1), in OA progression is still unclear. Material/Methods First, NEAT1 and miR-181a expression in OA synovium tissues and normal synovium tissues were detected. Then, the effect of NEAT1 on modulating growth ability, apoptosis, and inflammation in OA chondrocytes was investigated by a series of loss-function experiments. Next, the correlation between NEAT1, miR-181a, and glycerol-3-phosphate dehydrogenase 1-like (GPD1L) was fully investigated. Finally, the downregulation of miR-181a was employed as a recovery experiment to explore the functional mechanism of NEAT1 in OA. Results In the present study, we found that NEAT1 expression was downregulated in OA tissues, while miR-181a expression was prominently upregulated. Moreover, reduced expression of NEAT1 suppressed cell growth while elevating the apoptotic rate and increasing the abundance of inflammatory cytokines released in OA chondrocytes. Furthermore, we clarified that miR-181a was a direct sponge of NEAT1, and GPD1L was able to bind to miR-181a. Additionally, we found that downregulation of miR-181a was able to attenuate the effect of NEAT1 on apoptosis, inflammatory response, and proliferation in OA chondrocytes. Conclusions Our findings indicate that downregulation of NEAT1 aggravated progression of OA via modulating the miR-181a/GPD1L axis, providing a novel insight into the mechanism of OA pathogenesis.
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Affiliation(s)
- Zengliang Wang
- No. 1 Wards Medicine, Department of Sports Medicine and Arthroscopy Surgery, Tianjin Hospital, Tianjin, China (mainland)
| | - Jianxue Hao
- Department of Orthopedics, The First Hospital of Baoding, Baoding, Hebei, China (mainland)
| | - Desheng Chen
- No. 1 Wards Medicine, Department of Sports Medicine and Arthroscopy Surgery, Tianjin Hospital, Tianjin, China (mainland)
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Wang X, Fan J, Ding X, Sun Y, Cui Z, Liu W. Tanshinone I Inhibits IL-1β-Induced Apoptosis, Inflammation And Extracellular Matrix Degradation In Chondrocytes CHON-001 Cells And Attenuates Murine Osteoarthritis. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:3559-3568. [PMID: 31686786 PMCID: PMC6800556 DOI: 10.2147/dddt.s216596] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 09/06/2019] [Indexed: 12/16/2022]
Abstract
Background Osteoarthritis (OA) is a prevalent degenerative joint disease, which was characterized by inflammation and cartilage degradation. Accumulating evidence has demonstrated that Tanshinone I has an anti-inflammatory effect in various diseases. However, the efficacy of Tanshinone I as an anti-inflammatory agent in OA remains unclear. This study aimed to explore the role of Tanshinone I on OA both in vitro and in vivo. Methods CHON-001 cells were treated with IL-1β (10 ng/mL) for 72 hrs to induce OA model in vitro. Meanwhile, CHON-001 cells were pre-treated with 20 μM Tanshinone I for 24 hrs and then stimulated with IL-1β (10 ng/mL) for 72 hrs. CCK-8, immunofluorescence and flow cytometry assays were used to detect the viability, proliferation and apoptosis in CHON-001 cells, respectively. Western blotting assay was used to detect the levels of collagen II, aggrecan, MMP-13, cleaved caspase 1, Gasdermin D, SOX11 and p-NF-κB in CHON-001 cells. In addition, the mouse model of OA was built by anterior cruciate ligament transection (ACLT) in the right knee. Meanwhile, the mice were administrated with 10 or 30 mg/kg Tanshinone I for 8 weeks. Safranin-O/Fast Green staining was used to assess cartilage destruction in a mouse model of OA. Results In this study, IL-1β significantly induced apoptosis, extracellular matrix degradation and inflammatory response in CHON-001 cells. Tanshinone I significantly inhibited IL-1β-induced apoptosis in CHON-001 cells. In addition, the IL-1β-induced collagen II, aggrecan degradation, SOX11 downregulation, and MMP-13 and p-NF-κB upregulation in CHON-001 cells were notably reversed by Tanshinone I treatment. Moreover, Tanshinone I alleviated cartilage destruction and synovitis and reduced OARSI scores and subchondral bone thickness in a mouse model of OA. Conclusion Our findings showed that Tanshinone I could alleviate the progression of OA in vitro and in vivo. These results demonstrated that Tanshinone I might be regarded as a promising therapeutic agent for the treatment of OA.
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Affiliation(s)
- Xipeng Wang
- Department of Orthopaedic Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430010, People's Republic of China
| | - Jianbo Fan
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China
| | - Xiaomin Ding
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China
| | - Yuyu Sun
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China
| | - Zhiming Cui
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China
| | - Wei Liu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu 226001, People's Republic of China
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23
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Li Y, Zhong R, Zhou Z, Liu H, Dai Y, Hu Y. Ginsenoside Rg1‐modified PHBV fibrous scaffold reduces interleukin‐1 beta‐induced dedifferentiation of articular chondrocytes. J Appl Polym Sci 2019. [DOI: 10.1002/app.48378] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Yongsheng Li
- College of Materials Science and Engineering Hunan University Changsha 410082 People's Republic of China
| | - Risheng Zhong
- College of Materials Science and Engineering Hunan University Changsha 410082 People's Republic of China
| | - Zheng Zhou
- College of Biology Hunan University Changsha 410082 People's Republic of China
| | - Hairong Liu
- College of Materials Science and Engineering Hunan University Changsha 410082 People's Republic of China
- Hunan Province Key Laboratory for Spray Deposition Technology and Application Hunan University Changsha 410082 People's Republic of China
| | - Yao Dai
- College of Materials Science and Engineering Hunan University Changsha 410082 People's Republic of China
| | - Yibing Hu
- Hunan Academy of Chinese Medicine Changsha 410013 People's Republic of China
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Yan S, Jiang C, Li H, Li D, Dong W. FAM3A protects chondrocytes against interleukin-1β-induced apoptosis through regulating PI3K/Akt/mTOR pathway. Biochem Biophys Res Commun 2019; 516:209-214. [PMID: 31208715 DOI: 10.1016/j.bbrc.2019.06.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 06/03/2019] [Indexed: 10/26/2022]
Abstract
Chondrocyte death due to apoptosis is central for osteoarthritis (OA) pathogenesis. The family with sequence similarity 3A (FAM3A) is a mitochondrial protein that plays an important role for cellular adaptation to stress and cell survival. Yet, whether FAM3A is associated with chondrocyte apoptosis and OA pathogenesis remains uncharacterized. In this study, we found that FAM3A expression was downregulated in cartilage tissue from an experimental OA mouse model. Besides, FAM3A expression was also reduced in chondrocytes treated with interleukin-1β (IL-1β), an inflammatory cytokine that promotes cartilage degradation. Moreover, we discovered that FAM3A attenuated chondrocyte apoptosis induced by IL-1β treatment in vitro, suggesting a protective effect of FAM3A against chondrocyte apoptosis. Moreover, mechanistically, FAM3A activated PI3K/Akt/mTOR pathway in IL-1β-treated chondrocytes, and blockade of PI3K/Akt/mTOR pathway with specific inhibitors, wortmannin and LY294002, diminished FAM3A effect on IL-1β-induced chondrocyte apoptosis, hence demonstrating that FAM3A attenuates IL-1β-induced chondrocyte apoptosis through activating the pro-survival PI3K/Akt/mTOR pathway. In conclusion, our study may identify FAM3A as a potential regulator of chondrocyte apoptosis involved in OA pathogenesis.
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Affiliation(s)
- Song Yan
- Bone and Joint Surgery, Shenzhen Baoan Shiyan People's Hospital, China
| | - Changqing Jiang
- Department of Sports Medicine, Peking University Shenzhen Hospital, China
| | - Hong Li
- Department of General Surgery, People's Hospital of Baoan District, China
| | - Deyan Li
- Bone and Joint Surgery, Shenzhen Baoan Shiyan People's Hospital, China
| | - Wei Dong
- Bone and Joint Surgery, Shenzhen Baoan Shiyan People's Hospital, China.
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Gao G, Ding H, Zhuang C, Fan W. Effects of Hesperidin on H₂O₂-Treated Chondrocytes and Cartilage in a Rat Osteoarthritis Model. Med Sci Monit 2018; 24:9177-9186. [PMID: 30557884 PMCID: PMC6319163 DOI: 10.12659/msm.913726] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background The purpose of this research was to investigate the effects of hesperidin on hydrogen peroxide (H2O2)-induced chondrocytes injury and cartilage degeneration in a rat model of osteoarthritis (OA). Material/Methods Chondrocytes were isolated from rat knee joints and treated with hesperidin alone or combined with H2O2. Then, Cell Counting Kit-8 (CCK-8) assay was used to assess cell viability. Activity of reactive oxygen species (ROS) and levels of malondialdehyde (MDA) were estimated. Cell apoptosis was assessed by flow cytometry assay. In addition, gene expression levels were measured for caspase 3, tumor necrosis factor-alpha (TNF-α), interleukin-1beta (IL-1β), collagen type II (Col2a1), aggrecan, (sex-determining region Y)-box 9 (SOX9), matrix metalloproteinase (MMP)-13, and inducible nitric oxide synthase (iNOS) through quantitative real-time polymerase chain reaction (qPCR). To examine the effects on cartilage destruction in vivo, hesperidin or vehicle control were orally administrated in a surgically-induced osteoarthritis (OA) model. Results The results indicated that hesperidin pretreatment of chondrocytes reduce H2O2-induced cytotoxicity and apoptosis. Hesperidin pretreatment decreased the formation of MDA and intracellular ROS, including chondrocyte apoptosis. Hesperidin also reversed the activity of H2O2 on inhibiting the Col2a1, aggrecan, and SOX9 gene expression and increasing the gene expression of caspase 3, IL-1β, TNFα, iNOS, and MMP13. In addition, hesperidin administration markedly attenuated cartilage destruction and reduced IL-1β and TNF-α levels in a surgically-induced OA model. Conclusions Our study suggests that hesperidin can prevent H2O2-induced chondrocytes injury through its antioxidant effects in vitro and reduce cartilage damage in a rat model of OA.
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Affiliation(s)
- Gongming Gao
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China (mainland)
| | - Huimin Ding
- Department of Orthopedics, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
| | - Chao Zhuang
- Department of Orthopedics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, China (mainland)
| | - Weimin Fan
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland)
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Cai L, Chen WN, Li R, Liu MM, Lei C, Li CM, Qiu YY. Acetazolamide protects rat articular chondrocytes from IL-1β-induced apoptosis by inhibiting the activation of NF-κB signal pathway. Can J Physiol Pharmacol 2018; 96:1104-1111. [PMID: 30067070 DOI: 10.1139/cjpp-2018-0334] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Because the excessive apoptosis of articular chondrocytes contributes to extracellular matrix (ECM) loss and cartilage damage in rheumatoid arthritis (RA), inhibiting chondrocyte apoptosis might be a promising strategy for RA. Aquaporin1 (AQP1) is overexpressed in RA cartilage and synovial tissues, and play a vital pathogenic role in RA development. Particularly, we previously reported that acetazolamide (AZ) as an AQP1 inhibitor suppressed secondary inflammation and promoted ECM production in cartilage of adjuvant-induced arthritis rats. Here, we investigated the antiapoptotic effect of AZ on interleukin-1β (IL-1β)-induced apoptosis, a classic in vitro model of chondrocyte apoptosis. AZ treatment could inhibit IL-1β-induced apoptosis, evidenced by increasing cell viability, relieving apoptotic nuclear morphology, decreasing apoptosis rates, and restoring mitochondrial membrane potential. Additionally, AZ reversed IL-1β-induced decrease of Bcl-2 protein and reduced IL-1β-induced increases of Bax and caspase 3 protein, accompanied by inhibiting IκBα degradation and phosphorylation in cytoplasm, reducing NF-κB p65 protein level in nucleus and preventing NF-κB p65 translocation from cytoplasm to nucleus. In conclusion, our findings indicated that AZ could effectively attenuate IL-1β-induced chondrocyte apoptosis mediated by regulating the protein levels of apoptosis-related genes and inhibiting the activation of NF-κB signal pathway, suggesting that AZ might be of potential clinical interest in RA treatment.
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Affiliation(s)
- Li Cai
- a Department of Pathology, School of Basic Medicine, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China
| | - Wei-Na Chen
- b School of Pharmacy, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China
| | - Rong Li
- b School of Pharmacy, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China.,c School of Pharmacy, Macau University of Science and Technology, Avenida Wai Long Road, Macau, China
| | - Ming-Ming Liu
- b School of Pharmacy, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China
| | - Chao Lei
- b School of Pharmacy, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China
| | - Chun-Mei Li
- b School of Pharmacy, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui Province, China
| | - Yuan-Ye Qiu
- c School of Pharmacy, Macau University of Science and Technology, Avenida Wai Long Road, Macau, China
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Zou J, Li XL, Shi ZM, Xue JF. Effects of C-myc gene silencing on interleukin-1β-induced rat chondrocyte cell proliferation, apoptosis and cytokine expression. J Bone Miner Metab 2018; 36:286-296. [PMID: 28616752 DOI: 10.1007/s00774-017-0845-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 04/17/2017] [Indexed: 12/19/2022]
Abstract
This study explores the effects of C-myc gene silencing on cell proliferation, apoptosis and cytokine expression in interleukin (IL)-1β-induced rat chondrocytes. Primary chondrocytes were obtained from 40 Sprague-Dawley rats. For in vitro C-myc3-shRNA transfection, chondrocytes were assigned to a blank 1, model 1, IL-1β + C-myc3-shRNA, C-myc3-shRNA, (IL-1β + C-myc3-shRNA) + C-myc overexpression, C-myc3-shRNA + C-myc overexpression or IL-1β + C-myc-Con group. Western blotting and quantitative real-time polymerase chain reaction (qRT-PCR) were performed to detect C-myc, PCNA and cyclin D1 mRNA and protein expression. Cell proliferation was analyzed via CCK-8 assay and cell cycle while apoptosis was measured through flow cytometry. ELISA was utilized to assess the levels of metallopeptidase 13 (MMP-13), IL-6 and tumor necrosis factor-α (TNF-α). Both the qRT-PCR and Western blotting results demonstrated that C-myc3-shRNA transfection inhibits C-myc expression and promotes PCNA and cyclin D1 expression. In comparison to the model 1 group, all groups except the (IL-1β + C-myc3-shRNA) + C-myc overexpression and IL-1β + C-myc-Con groups showed increases in cell proliferation and S phase cell count and decreases in G0/G1 phase cell count, cell apoptosis and MMP-13, IL-6 and TNF-α levels. The model 1, C-myc3-shRNA and C-myc3-shRNA + C-myc overexpression groups displayed higher cell proliferation and S phase cell count and reduced G0/G1 phase cell count, cell apoptosis and MMP-13, IL-6 and TNF-α levels than the IL-1β + C-myc3-shRNA group. In comparison to the model 1 and C-myc3-shRNA + C-myc overexpression groups, the C-myc3-shRNA group promoted cell proliferation and S phase cell counts but suppressed G0/G1 phase cell count, cell apoptosis and MMP-13, IL-6 and TNF-α levels. In conclusion, the study demonstrates that C-myc gene silencing can promote cell proliferation and inhibit cell apoptosis and cytokine expression in IL-1β-induced rat chondrocytes.
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Affiliation(s)
- Jian Zou
- Department of Orthopedics, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Xiao-Lin Li
- Department of Orthopedics, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China
| | - Zhong-Min Shi
- Department of Orthopedics, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China.
| | - Jian-Feng Xue
- Department of Orthopedics, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, People's Republic of China.
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28
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Lin C, Shao Y, Zeng C, Zhao C, Fang H, Wang L, Pan J, Liu L, Qi W, Feng X, Qiu H, Zhang H, Chen Y, Wang H, Cai D, Xian CJ. Blocking PI3K/AKT signaling inhibits bone sclerosis in subchondral bone and attenuates post-traumatic osteoarthritis. J Cell Physiol 2018; 233:6135-6147. [PMID: 29323710 DOI: 10.1002/jcp.26460] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 01/05/2018] [Indexed: 01/05/2023]
Abstract
PI3K/AKT signaling is essential in regulating pathophysiology of osteoarthritis (OA). However, its potential modulatory role in early OA progression has not been investigated yet. Here, a mouse destabilization OA model in the tibia was used to investigate roles of PI3K/AKT signaling in the early subchondral bone changes and OA pathological process. We revealed a significant increase in PI3K/AKT signaling activation which was associated with aberrant bone formation in tibial subchondral bone following destabilizing the medial meniscus (DMM), which was effectively prevented by treatment with PI3K/AKT signaling inhibitor LY294002. PI3K/AKT signaling inhibition attenuated articular cartilage degeneration. Serum and bone biochemical analyses revealed increased levels of MMP-13, which was found expressed mainly by osteoblastic cells in subchondral bone. However, this MMP-13 induction was attenuated by LY294002 treatment. Furthermore, PI3K/AKT signaling was found to enhance preosteoblast proliferation, differentiation, and expression of MMP-13 by activating NF-κB pathway. In conclusion, inhibition of PI3K/AKT/NF-κB axis was able to prevent aberrant bone formation and attenuate cartilage degeneration in OA mice.
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Affiliation(s)
- Chuangxin Lin
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Yan Shao
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Chun Zeng
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Chang Zhao
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Hang Fang
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Liping Wang
- Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
| | - Jianying Pan
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Liangliang Liu
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Weizhong Qi
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Xiaofeng Feng
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Hong Qiu
- Department of Endocrinology and Metabolism, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Haiyang Zhang
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Yuhui Chen
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Hong Wang
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Daozhang Cai
- Department of Orthopedics, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Academy of Orthopaedics of Guangdong Province, Guangzhou, Guangdong, China.,Orthopaedic Hospital of Guangdong Province, Guangzhou, Guangdong, China
| | - Cory J Xian
- Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
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Sun J, Wei X, Wang Z, Liu Y, Lu J, Lu Y, Cui M, Zhang X, Li F. Inflammatory milieu cultivated Sema3A signaling promotes chondrocyte apoptosis in knee osteoarthritis. J Cell Biochem 2017; 119:2891-2899. [DOI: 10.1002/jcb.26470] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 10/26/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Jie Sun
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Xuelei Wei
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Zengliang Wang
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Yunjiao Liu
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Jie Lu
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Yandong Lu
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Meng Cui
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Xi Zhang
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
| | - Fangguo Li
- Department of Orthopaedic TraumaTianjin HospitalTianjinChina
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30
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Chen L, Li Q, Wang J, Jin S, Zheng H, Lin J, He F, Zhang H, Ma S, Mei J, Yu J. MiR-29b-3p promotes chondrocyte apoptosis and facilitates the occurrence and development of osteoarthritis by targeting PGRN. J Cell Mol Med 2017; 21:3347-3359. [PMID: 28609022 PMCID: PMC5706578 DOI: 10.1111/jcmm.13237] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Accepted: 04/17/2017] [Indexed: 12/16/2022] Open
Abstract
This study was aimed to explore the role of miR-29b-3p and PGRN in chondrocyte apoptosis and the initiation and progress of osteoarthritis (OA). Both miR-29b-3p and PGRN were up-regulated in cartilage tissue from patients with OA. Transfection of miR-29b-3p mimic into rat primary chondrocytes and SW1353 chondrosarcoma cells significantly suppressed PGRN expression and release, induced apoptosis, inhibited proliferation and scratch wound closure. By contrast, transfection of miR-29b-3p inhibitor exhibited the opposite effects. Moreover, the expression and secretion of cartilaginous degeneration-related molecules were also altered by miR-29b-3p. Luciferase reporter gene assay showed rat GRN mRNA is directly targeted and repressed by miR-29b-3p. The fact that recombinant PGRN or shPGRN-mediated PGRN interference abolished miR-29b-3p mimic-induced cell apoptosis and growth inhibition suggested miR-29b-3p affect the cellular functions of chondrocyte through regulating PGRN expression. In vivo, joint cavity injection of miR-29b-3p antagomir prior to surgical induction of OA significantly suppressed the upregulation of miR-29b-3p, whereas further promoted the increased expression of PGRN. Articular chondrocytes apoptosis and cartilage loss in the knee joint of surgically induced OA rats were also ameliorated by the injection of miR-29b-3p antagomir, demonstrated by TUNEL and safranin O-fast green staining. This work showed miR-29b-3p facilitates chondrocyte apoptosis and OA by targeting PGRN, and miR-29b-3p or PGRN may be the potential target for OA treatments.
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Affiliation(s)
- Lingqiang Chen
- Department of OrthopaedicsThe First Affiliated Hospital of Kunming Medical UniversityKunmingYunnan ProvinceChina
| | - Qin Li
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Jing Wang
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Song Jin
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Hongmei Zheng
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Jun Lin
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Fang He
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Hong Zhang
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Sha Ma
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Jian Mei
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
| | - Juan Yu
- Department of RheumatologyThe First People's Hospital of Yunnan ProvinceKunmingYunnan ProvinceChina
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Abstract
Osteoarthritis is characterized by a chronic, progressive and irreversible degradation of the articular cartilage associated with joint inflammation and a reparative bone response. More than 100 million people are affected by this condition worldwide with significant health and welfare costs. Our available treatment options in osteoarthritis are extremely limited. Chondral or osteochondral grafts have shown some promising results but joint replacement surgery is by far the most common therapeutic approach. The difficulty lies on the limited regeneration capacity of the articular cartilage, poor blood supply and the paucity of resident progenitor stem cells. In addition, our poor understanding of the molecular signalling pathways involved in the senescence and apoptosis of chondrocytes is a major factor restricting further progress in the area. This review focuses on molecules and approaches that can be implemented to delay or even rescue chondrocyte apoptosis. Ways of modulating the physiologic response to trauma preventing chondrocyte death are proposed. The use of several cytokines, growth factors and advances made in altering several of the degenerative genetic pathways involved in chondrocyte apoptosis and degradation are also presented. The suggested approaches can help clinicians to improve cartilage tissue regeneration.
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Affiliation(s)
- Ippokratis Pountos
- Academic Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, UK.
| | - Peter V Giannoudis
- Academic Department of Trauma & Orthopaedics, School of Medicine, University of Leeds, UK; NIHR Leeds Biomedical Research Center, Chapel Allerton Hospital, Leeds, UK.
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Zhou PH, Shi L, Qiu B. Protective effect of controlled release of cytokine response modifier A from chitosan microspheres on rat chondrocytes from interleukin-1β induced inflammation and apoptosis. Exp Ther Med 2017; 14:3170-3178. [PMID: 28912867 DOI: 10.3892/etm.2017.4884] [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: 08/21/2016] [Accepted: 05/11/2017] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to investigate the protective effect of cytokine response modifier A (CrmA) released from chitosan (CS) microspheres in a controlled manner on interleukin (IL)-1β-induced inflammation and apoptosis in chondrocytes. The CrmA release kinetics were characterized by an initial burst release, which was reduced to a linear release over 8 days. Furthermore, chondrocytes were isolated from 1-week-old Sprague Dawley rats. The cell culture was established by stimulation with 10 ng/ml IL-1β and subsequent incubation with CS-CrmA microspheres. Following stimulation with IL-1β, the viability of chondrocytes was decreased. However, the cell viability was attenuated by CS-CrmA microspheres as revealed by a cell counting kit-8 assay. CS-CrmA microspheres significantly inhibited IL-1β-induced inflammation in chondrocytes by attenuating increases in the gene expression levels of inducible nitric oxide synthase and cyclooxygenase-2, as well as the concentrations of nitric oxide and prostaglandin E2. CS-CrmA microspheres significantly decreased the number of apoptotic chondrocytes induced by IL-1β as indicated by a terminal deoxyribonucleotide transferase deoxyuridine triphosphate nick-end labeling assay. In addition, CS-CrmA microspheres blocked IL-1β-induced chondrocyte apoptosis by increasing B-cell lymphoma 2 (Bcl-2) and decreasing Bcl-2-associated X protein, caspase-3 and poly adenosine diphosphate-ribose polymerase expression at the mRNA and protein levels, as indicated by reverse-transcription quantitative polymerase chain reaction and western blot analysis, respectively. The results of the present study revealed that CS-CrmA microspheres, as a controlled release system of CrmA, may protect rat chondrocytes from IL-1β-induced inflammation and apoptosis via regulating inflammatory and apoptosis-associated genes.
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Affiliation(s)
- Pang-Hu Zhou
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Lei Shi
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
| | - Bo Qiu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, P.R. China
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Fernández-Moriano C, González-Burgos E, Iglesias I, Lozano R, Gómez-Serranillos MP. Evaluation of the adaptogenic potential exerted by ginsenosides Rb1 and Rg1 against oxidative stress-mediated neurotoxicity in an in vitro neuronal model. PLoS One 2017; 12:e0182933. [PMID: 28813475 PMCID: PMC5558939 DOI: 10.1371/journal.pone.0182933] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 07/26/2017] [Indexed: 12/19/2022] Open
Abstract
Background Ginseng (Panax sp.) is a drug with multiple pharmacological actions that has been largely used in traditional medicines for the treatment of many health problems. In the therapy of neurodegenerative disorders, it has been employed due to its capacity to strengthen mental processes by enhancing cognitive performance and psychological function. Current work aimed at evaluating the adaptogenic potential of Rb1 and Rg1 against oxidative-stress mediated degeneration in a model of nervous cells. Methods Oxidative stress and mitochondrial dysfunction were achieved by exposing SH-SY5Y cells to the mitochondrial complex I inhibitor rotenone. The cytoprotective activity of pre-treatments with ginsenosides Rb1 and Rg1 against rotenone was assessed by determining biochemical markers regarding oxidative stress (ROS scavenging, glutathione and lipid peroxidation levels, SOD activity and Nrf2 activation) and apoptosis-related alterations (mitochondrial membrane potential, calcium levels, aconitase activity and pro/antiapoptotic proteins). Their capacity to cross the blood brain barrier was also estimated. Results At their optimal doses, ginsenosides Rb1 and Rg1 significantly ameliorated redox status within the cells; they reduced ROS and TBARS levels and improved the glutathione system, as well as they enhanced SOD activity and Nrf2 pathway activation. They protected neuronal cells against MMP loss, calcium homeostasis disruption and aconitase inhibition. Consequently, apoptotic cell death was attenuated by the pre-treatment with ginsenosides, as evidenced by the reduction in caspase-3 and Bax, and the increase in Bcl-2 expressions; also, lower levels of cytochrome C were found in the cytosol. Poor BBB permeation was demonstrated for both ginsenosides. Conclusions In conclusion, ginsenosides Rb1 and Rg1 exhibit neuroprotective potential which is achieved, at least in part, via mitochondrial protection and the plausible involvement of Nrf2 pathway activation. Our results contribute to validate the traditional use of ginseng for cognitive-enhancing purposes and provide basis to encourage further research on the potential of ginsenosides in the treatment of neurodegenerative diseases.
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Affiliation(s)
| | - Elena González-Burgos
- Department of Pharmacology, School of Pharmacy, University Complutense of Madrid, Madrid, Spain
| | - Irene Iglesias
- Department of Pharmacology, School of Pharmacy, University Complutense of Madrid, Madrid, Spain
| | - Rafael Lozano
- Department of Inorganic Chemistry, School of Pharmacy, University Complutense of Madrid, Madrid, Spain
| | - M. Pilar Gómez-Serranillos
- Department of Pharmacology, School of Pharmacy, University Complutense of Madrid, Madrid, Spain
- * E-mail:
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Salidroside attenuates colistin-induced neurotoxicity in RSC96 Schwann cells through PI3K/Akt pathway. Chem Biol Interact 2017; 271:67-78. [PMID: 28465020 DOI: 10.1016/j.cbi.2017.04.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 02/17/2017] [Accepted: 04/28/2017] [Indexed: 11/24/2022]
Abstract
Neurotoxicity is a key dose-limiting factor for colistin therapy. This study aimed to investigate the protective effect of Salidroside on colistin-induced neurotoxicity in RSC96 Schwann cells and the underlying mechanisms. After Salidroside (12.5, 25, 50 μg/mL) treatment for 2 h, the cells were cultured with 250 μg/mL colistin for 24 h. In order to investigate the role of phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) pathway, the cells were pre-treated with LY294002 (12.5 μmol/L, a specific inhibitor of PI3K phosphorylation) for 1 h before Salidroside (50 μg/mL) treatment, then were co-cultured with colistin (250 μg/mL) for 24 h. The results showed that colistin treatment could induce apoptotic cell death which was associated with oxidative stress injury. Salidroside could reduce colistin-induced neurotoxicity, decrease the effect of colistin on the reduced expression levels of p-Akt and Bcl-2, and increased the expresion of Bax, release of Cyt c, and activation of caspase-3. However, the protective effect of Salidroside against colistin-induced apoptosis was partly abolished by LY294002. These findings suggest that Salidroside could attenuate colistin-induced neurotoxicity in RSC96 Schwann cells via the PI3K/Akt pathway.
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35
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Yao N, Chen N, Xu X, Sun D, Liu W, Li G, Bi X, Li S, Chen Z, Chen G, Gan H. Protective effect of Shenmai injection on knee articular cartilage of osteoarthritic rabbits and IL-1β-stimulated human chondrocytes. Exp Ther Med 2017; 13:3013-3020. [PMID: 28587374 DOI: 10.3892/etm.2017.4349] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 02/07/2017] [Indexed: 12/21/2022] Open
Abstract
Shenmai injection (SMI) has been widely used as a therapy to treat a number of diseases. However, its anti-osteoarthritic properties have not yet been fully investigated. In the present study, the protective effect of SMI on knee articular cartilage of anterior cruciate ligament transected rabbits and interleukin-1β (IL-1β)-stimulated human chondrocytes was investigated. For the in vivo study, knee osteoarthritis (KOA) was induced in female New Zealand white rabbits by anterior cruciate ligament transection (ACLT) in the knee of right hind limb. Rabbits either underwent sham surgery or ACLT surgery. Out of the rabbits receiving ACLT surgery, half of the rabbits received one 0.3 ml Shenmai intra-articular injection in the knee per week for four weeks, following ACLT surgery. The other rabbits received the same volume of normal saline solution. The cartilage was subsequently collected for histological evaluation. For the in vitro study, cultured human chondrocytes were treated with 10 ng/ml IL-1β in the presence or absence of 5 and 2% (v/v) SMI for 24 h. Nitric oxide (NO) and prostaglandin E2 (PGE2) levels in cell culture supernatant were assessed using a Griess reaction and ELISA respectively. The mRNA expression of cyclooxgenase-2 (COX-2), inducible nitric oxide synthase (iNOS), matrix metalloproteinase (MMP)-1, MMP-13 and tissue inhibitors of metalloproteinase-1 (TIMP-1) in chondrocytes were detected by reverse transcription-quantitative polymerase chain reaction. The results of the current study revealed that treatment with SMI ameliorated cartilage degradation in the ACLT rabbit model, and decreased levels of NO and PGE2. Furthermore, treatment with SMI decreased levels of COX-2, iNOS, MMP-1 and MMP-13 mRNA expression and increased TIMP-1 mRNA expression in IL-1β-stimulated human chondrocytes. These results indicate that SMI suppresses inflammation and ameliorated cartilage degradation, making it a potential and promising therapeutic option to treat KOA.
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Affiliation(s)
- Nan Yao
- Orthopedics Department, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, P.R. China.,Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Neng Chen
- Orthopedics Department, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, P.R. China.,Graduate School, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Xuemeng Xu
- Orthopedics Department, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, P.R. China
| | - Dongmei Sun
- Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Wengang Liu
- Orthopedics Department, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, P.R. China
| | - Gang Li
- Academic Affairs Office, Guangdong Food and Drug Vocational College, Guangzhou, Guangdong 510520, P.R. China
| | - Xiaoli Bi
- Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Sumei Li
- Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Zhao Chen
- Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
| | - Guocai Chen
- Orthopedics Department, Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou, Guangdong 510095, P.R. China.,Graduate School, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Haining Gan
- Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine, Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine, Guangzhou, Guangdong 510095, P.R. China
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Rao Z, Wang S, Wang J. Peroxiredoxin 4 inhibits IL-1β-induced chondrocyte apoptosis via PI3K/AKT signaling. Biomed Pharmacother 2017; 90:414-420. [PMID: 28391163 DOI: 10.1016/j.biopha.2017.03.075] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 03/14/2017] [Accepted: 03/25/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Chondrocytes apoptosis induced by reactive oxygen species (ROS) plays a critical role in the pathogenesis of osteoarthritis (OA). Peroxiredoxin 4 (PRDX4), a member of the PRDX family, is essential for removing metabolic free radicals and reducing intracellular ROS. In this study, we sought to investigate the roles of PRDX4 on interleukin 1β (IL-1β)-induced chondrocyte apoptosis. METHODS Primary chondrocytes were isolated from the articular cartilage of Sprague-Dawley rats, infected with PRDX4 overexpressing lentivirus and treated with IL-1β (10ng/mL). Cell apoptosis and ROS production identified by flow cytometry. Protein expression levels was evaluated by Western blotting analysis. Nitric oxide (NO) production and Caspase-3/9 activation were assessed by the Griess reaction method and colorimetric assay kit, respectively. RESULTS PRDX4 overexpression in chondrocytes significantly decreased IL-1β-induced apoptosis. It also reversed the activity of IL-1β that increased ROS and NO production. PRDX4 overexpression reversed the activity of IL-1β that reduced the levels of Bcl-2, p-AKT and p-PRAS40, as well as increased Bax levels and Caspase-3/9 activation. More importantly, pre-treated with AKT inhibitor (AZD5363) significantly reduced the protective effects of PRDX4. CONCLUSIONS Our data demonstrated that the regulatory effects of PRDX4 on IL-1β-induced chondrocyte apoptosis can be partially attributed to phosphatidylinositol 3-kinase/AKT signaling. These results indicate that PRDX4 might play a protective role in OA cartilage degeneration.
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Affiliation(s)
- Zhitao Rao
- Department of Orthopaedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, 20065, China
| | - Shuqing Wang
- Department of Orthopaedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, 20065, China.
| | - Jiaqi Wang
- Department of Orthopaedics, Tongji Hospital, Tongji University School of Medicine, Shanghai, 20065, China
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Cheng W, Jing J, Wang Z, Wu D, Huang Y. Chondroprotective Effects of Ginsenoside Rg1 in Human Osteoarthritis Chondrocytes and a Rat Model of Anterior Cruciate Ligament Transection. Nutrients 2017; 9:nu9030263. [PMID: 28287423 PMCID: PMC5372926 DOI: 10.3390/nu9030263] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/03/2017] [Indexed: 12/30/2022] Open
Abstract
This study aimed to assess whether Ginsenoside Rg1 (Rg1) inhibits inflammatory responses in human chondrocytes and reduces articular cartilage damage in a rat model of osteoarthritis (OA). Gene expression and protein levels of type II collagen, aggrecan, matrix metalloproteinase (MMP)-13 and cyclooxygenase-2 (COX-2) were determined in vitro by quantitative real-time-polymerase chain reaction and Western blotting. Prostaglandin E2 (PGE2) amounts in the culture medium were determined by enzyme-linked immunosorbent assay (ELISA). For in vivo assessment, a rat model of OA was generated by anterior cruciate ligament transection (ACLT). Four weeks after ACLT, Rg1 (30 or 60 mg/kg) or saline was administered by gavage once a day for eight consecutive weeks. Joint damage was analyzed by histology and immunohistochemistry. Ginsenoside Rg1 inhibited Interleukin (IL)-1β-induced chondrocyte gene and protein expressions of MMP-13, COX-2 and PGE2, and prevented type II collagen and aggrecan degradation, in a dose-dependent manner. Administration of Ginsenoside Rg1 to OA rats attenuated cartilage degeneration, and reduced type II collagen loss and MMP-13 levels. These findings demonstrated that Ginsenoside Rg1 can inhibit inflammatory responses in human chondrocytes in vitro and reduce articular cartilage damage in vivo, confirming the potential therapeutic value of Ginsenoside Rg1 in OA.
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Affiliation(s)
- Wendan Cheng
- Department of Orthopedics, The Second Hospital of Anhui Medical University, No. 678 Furong Road, Hefei 230601, China.
- Department of Orthopedics, Lu'an People's Hospital Affiliated to Anhui Medical University, Lu'an 237000, China.
| | - Juehua Jing
- Department of Orthopedics, The Second Hospital of Anhui Medical University, No. 678 Furong Road, Hefei 230601, China.
| | - Zhen Wang
- Department of Orthopedics, The Peoples Hospital of Luhe Affiliated to Yangzhou University Medical Academy, Nanjing 211500, China.
| | - Dongying Wu
- Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, No. 99 Huaihai West Road, Xuzhou 221000, China.
| | - Yumin Huang
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University, No. 300 Guangzhou Road, Nanjing 210029, China.
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Insights into the Action Mechanisms of Traditional Chinese Medicine in Osteoarthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:5190986. [PMID: 28203259 PMCID: PMC5292158 DOI: 10.1155/2017/5190986] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 11/27/2016] [Accepted: 12/14/2016] [Indexed: 01/02/2023]
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease characterized by articular cartilage destruction, synovial inflammation, and osteophyte formation. No effective treatments are available. The current pharmacological medications such as nonsteroidal anti-inflammatory drugs (NSAIDs) and analgesics, accompanied by possible adverse effects, might ameliorate OA symptoms. But they do not arrest the progression of OA. Traditional Chinese medicine (TCM) provides medical value by modification of disease and symptoms in OA. Valuable work on exploring TCM merits for OA patients has been investigated using modern technologies, although the complicated interacting network among the numerous components indicates the uncertainty of target specification. This review will provide an overview of the action mechanism of TCM in the last 5 years, discussing the TCM activities of anti-inflammation, antiapoptosis, antioxidation, anticatabolism, and proliferation in OA. TCM is a proposed medical option for OA treatment.
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Controlled Release of Interleukin-1 Receptor Antagonist from Hyaluronic Acid-Chitosan Microspheres Attenuates Interleukin-1 β-Induced Inflammation and Apoptosis in Chondrocytes. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6290957. [PMID: 27872853 PMCID: PMC5107216 DOI: 10.1155/2016/6290957] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 03/27/2016] [Accepted: 04/10/2016] [Indexed: 02/02/2023]
Abstract
This paper investigates the protective effect of interleukin-1 receptor antagonist (IL-1Ra) released from hyaluronic acid chitosan (HA-CS) microspheres in a controlled manner on IL-1β-induced inflammation and apoptosis in chondrocytes. The IL-1Ra release kinetics was characterized by an initial burst release, which was reduced to a linear release over eight days. Chondrocytes were stimulated with 10 ng/ml IL-1β and subsequently incubated with HA-CS-IL-1Ra microspheres. The cell viability was decreased by IL-1β, which was attenuated by HA-CS-IL-1Ra microspheres as indicated by an MTT assay. ELISA showed that HA-CS-IL-1Ra microspheres inhibited IL-1β-induced inflammation by attenuating increases in NO2− and prostaglandin E2 levels as well as increase in glycosaminoglycan release. A terminal deoxyribonucleotide transferase deoxyuridine triphosphate nick-end labeling assay revealed that the IL-1β-induced chondrocyte apoptosis was decreased by HA-CS-IL-1Ra microspheres. Moreover, HA-CS-IL-1Ra microspheres blocked IL-1β-induced chondrocyte apoptosis by increasing B-cell lymphoma 2 (Bcl-2) and decreasing Bcl-2-associated X protein and caspase-3 expressions at mRNA and protein levels, as indicated by reverse-transcription quantitative polymerase chain reaction and western blot analysis, respectively. The results of the present study indicated that HA-CS-IL-1Ra microspheres as a controlled release system of IL-1Ra possess potential anti-inflammatory and antiapoptotic properties in rat chondrocytes due to their ability to regulate inflammatory factors and apoptosis associated genes.
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Liu Y, Yi L, Wang L, Chen L, Chen X, Wang Y. Ginsenoside Rg1 protects human umbilical cord blood-derived stromal cells against tert-Butyl hydroperoxide-induced apoptosis through Akt-FoxO3a-Bim signaling pathway. Mol Cell Biochem 2016; 421:75-87. [PMID: 27522666 DOI: 10.1007/s11010-016-2786-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 08/05/2016] [Indexed: 12/22/2022]
Abstract
Human umbilical cord blood-derived stromal cells (hUCBDSCs) possess strong capability of supporting hematopoiesis and immune regulation, whereas some stress conditions cause reactive oxygen species (ROS) accumulation and then lead to oxidative injury and cell apoptosis. Ginsenoside Rg1 (G-Rg1) has been demonstrated to exert antioxidative and prosurvival effects in many cell types. In this study, the tert-Butyl hydroperoxide (t-BHP), an analog of hydroperoxide, was utilized to mimic the oxidative damage to hUCBDSCs. We aimed to investigate the effects of Ginsenoside Rg1 on protecting hUCBDSCs from t-BHP-induced oxidative injury and apoptosis, as well as the possible signaling pathway involved. It was shown that the treatment of hUCBDSCs with G-Rg1 markedly restored the t-BHP-induced cell viability loss, promoted the CFU-F formation, and inhibited cell apoptosis. G-Rg1 also caused a reduced production of LDH and MDA while significantly enhancing the activity of SOD. Mechanistically, G-Rg1 promoted the phosphorylation of Akt and FoxO3a and led to the cytoplasmic translocation of FoxO3a, which in turn suppressed FoxO3a-modulated expression of proapoptotic Bim and elevated the ratio of Bcl-2 to Bax. All these results suggest that G-Rg1 enhances the survival of t-BHP-induced hUCBDSCs and protects them against apoptosis at least partially through Akt-FoxO3a-Bim signaling pathway.
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Affiliation(s)
- Ying Liu
- Department of Histology and Embryology, Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, People's Republic of China
| | - Long Yi
- Research Center for Nutrition and Food Safety, Institute of Military Preventive Medicine, Third Military Medical University, Chongqing, People's Republic of China
| | - Lu Wang
- Department of Histology and Embryology, Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, People's Republic of China
| | - Linbo Chen
- Department of Histology and Embryology, Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, People's Republic of China
| | - Xiongbin Chen
- Department of Histology and Embryology, Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, People's Republic of China
| | - Yaping Wang
- Department of Histology and Embryology, Laboratory of Stem Cells and Tissue Engineering, Chongqing Medical University, Chongqing, People's Republic of China.
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HU JUNZHENG, GU YANQING, FAN WEIMIN. Rg1 protects rat bone marrow stem cells against hydrogen peroxide-induced cell apoptosis through the PI3K/Akt pathway. Mol Med Rep 2016; 14:406-12. [DOI: 10.3892/mmr.2016.5238] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 03/01/2016] [Indexed: 11/05/2022] Open
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Sulfiredoxin-1 protects against simulated ischaemia/reperfusion injury in cardiomyocyte by inhibiting PI3K/AKT-regulated mitochondrial apoptotic pathways. Biosci Rep 2016; 36:BSR20160076. [PMID: 26992405 PMCID: PMC4847177 DOI: 10.1042/bsr20160076] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 03/18/2016] [Indexed: 12/31/2022] Open
Abstract
The present study confirmed that Srx-1 overexpression could protect cardiomyocyte from SI/R-induced injury by suppressing PI3K/AKT-regulated mitochondria dependent apoptosis. Therefore, the present study will support a promising therapeutic avenue for the treatment of ischaemic cardiovascular diseases. Reactive oxygen species (ROS)-triggered cardiac cell injury is recognized as the major contributor for the pathogenesis progression of ischaemic cardiovascular diseases. Sulfiredoxin-1 (Srx-1) is an endogenous antioxidant and exerts the crucial neuroprotective effects in cerebral ischaemia. However, its function and the underlying mechanism in ischaemic heart diseases remain poorly defined. Here, a dramatical decrease in Srx-1 was validated in H9c2 cardiomyocytes upon simulated ischaemia–reperfusion (SI/R) injury. Moreover, Srx-1 protected H9c2 cells from SI/R-injured injury as the evidences that Srx-1 up-regulation attenuated the inhibitory effects on cell viability, lactate dehydrogenase (LDH) and cell apoptosis upon SI/R treatment. Knockdown of Srx-1 accelerated cell injury upon SI/R. Mechanism assay corroborated that SI/R treatment noticeably aggravated the loss of mitochondrial membrane potential (Δψm), which was remarkably abated in Ad-Srx-1 groups. Importantly, Srx-1 elevation substantially reduced cytochrome c release, the activity of caspase-9 and caspase-3, accompany with the subsequent decrease in the cleavage of poly (ADP ribose) polymerase (PARP). Concomitantly, overexpression of Srx-1 also decreased the expression of pro-apoptosis protein Bax and increased anti-apoptotic Bcl-2 expression. Further analysis substantiated that Srx-1 treatment remarkably induced the activation of PI3K/AKT signalling. Preconditioning with LY294002 dramatically decreased Srx-1-enhanced cell resistance to SI/R injury. Importantly, LY294002 mitigated the inhibitory effects of Srx-1 on Δψm loss, cytochrome c release, caspase-9/3 activity, and the expression of Bcl-2 family. Together, these results suggested that Srx-1 might protect cardiomyocyte injury upon SI/R by suppressing PI3K/AKT-mediated mitochondria dependent apoptosis, revealing a promising therapeutic agent against ischaemic cardiovascular diseases.
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Yu HT, Zhen J, Pang B, Gu JN, Wu SS. Ginsenoside Rg1 ameliorates oxidative stress and myocardial apoptosis in streptozotocin-induced diabetic rats. J Zhejiang Univ Sci B 2016; 16:344-54. [PMID: 25990051 DOI: 10.1631/jzus.b1400204] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We evaluated the cardioprotective effects of ginsenoside Rg1 in a diabetic rat model induced with high-fat diet and intraperitoneal injection of streptozotocin. Ginsenoside Rg1 was injected intraperitoneally for 12 weeks. Myocardial injury indices and oxidative stress markers were determined. Changes in cardiac ultrastructure were evaluated with transmission electron microscopy. Myocardial apoptosis was assessed via terminal deoxynucleotidyl transferase (TDT)-mediated DNA nick-end labeling (TUNEL) and immunohistochemistry. Ginsenoside Rg1 was associated with a significant dose-dependent reduction in serum levels of creatinine kinase MB and cardiac troponin I, and lessened ultrastructural disorders in diabetic myocardium, relative to the untreated diabetic model rats. Also, compared with the untreated diabetic rats, significant reductions in serum and myocardial levels of malondialdehyde were noted in the ginsenoside Rg1-treated groups, and increased levels of the antioxidants (superoxide dismutase, catalase, and glutathione peroxidase) were detected. TUNEL staining indicated reduced myocardial apoptosis in ginsenoside Rg1-treated rats, which may be associated with reduced levels of caspase-3 (CASP3) and increased levels of B-cell lymphoma-extra-large (Bcl-xL) in the diabetic myocardium. Ginsenoside Rg1 treatment of diabetic rats was associated with reduced oxidative stress and attenuated myocardial apoptosis, suggesting that ginsenoside Rg1 may be of potential preventative and therapeutic value for cardiovascular injury in diabetic patients.
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Affiliation(s)
- Hai-tao Yu
- Department of Cardiovascular Medicine, the First Hospital of Jilin University, Changchun 130021, China; Department of Cardiovascular Medicine, PLA No. 208 Hospital, Changchun 130062, China; Department of Cardiovascular Medicine, the Second Hospital of Jilin University, Changchun 130041, China
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Yu ZH, Cai M, Xiang J, Zhang ZN, Zhang JS, Song XL, Zhang W, Bao J, Li WW, Cai DF. PI3K/Akt pathway contributes to neuroprotective effect of Tongxinluo against focal cerebral ischemia and reperfusion injury in rats. JOURNAL OF ETHNOPHARMACOLOGY 2016; 181:8-19. [PMID: 26805466 DOI: 10.1016/j.jep.2016.01.028] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 08/31/2015] [Accepted: 01/18/2016] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tongxinluo (TXL), a compound prescription, is formulated according to the collateral disease doctrine of traditional Chinese medicine, and is widely used for the treatment of cardio-cerebrovascular diseases in China. AIM OF THE STUDY We aimed to investigate the neuroprotective effect of TXL on focal cerebral ischemia and reperfusion injury in rats by attenuating its brain damage and neuronal apoptosis, and to assess the potential role of phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) pathway in this protection. MATERIALS AND METHODS Adult Male Sprague-Dawley rats (n=120) were randomly divided into 5 groups: sham, cerebral ischemia and reperfusion (I/R), cerebral ischemia and reperfusion plus TXL (1.6g/kg/day) (TXL1.6), TXL1.6 plus LY294002 and dimethyl sulfoxide (DMSO) (TXL1.6+LY294002), TXL1.6 plus DMSO (TXL1.6+vehicle). Prior to the grouping, TXL1.6 was selected to be the optimal dose of TXL by evaluating the neurological deficits score of five group rats (Sham, I/R, TXL0.4, TXL0.8 and TXL1.6, n=30) at 0, 1, 3, 5, and 7 days after reperfusion. Rats, being subjected to middle cerebral artery occlusion (MCAO) for 90min followed by 24h reperfusion, were the cerebral ischemia/reperfusion models. At 24h after reperfusion, cerebral infarct area was measured via tetrazolium staining and neuronal damage was showed by Nissl staining. The double staining of Terminal deoxynucleotidyl transferase-mediated deoxyuridine 5-triphosphate nick end labeling (TUNEL) staining and immunofluorescence labeling with NeuN, was performed to evaluate neuronal apoptosis. Proteins involved in PI3K/Akt pathway were detected by Western blot. RESULTS The results showed that TXL markedly improved neurological function, reduced cerebral infarct area, decreased neuronal damage, and significantly attenuated neuronal apoptosis, while these effects were eliminated by inhibition of PI3K/Akt with LY294002. We also found that TXL up-regulated the expression levels of p-PDK1, p-Akt, p-c-Raf, p-BAD and down-regulated Cleaved caspase 3 expression notably, which were partially reversed by LY294002. Additionally, the increment of p-PTEN level on which LY294002 had little effect was also detected in response to TXL treatment. CONCLUSIONS These findings demonstrated that TXL provided neuroprotection against cerebral ischemia/reperfusion injury and neuronal apoptosis, and this effect was mediated partly by activation of the PI3K/Akt pathway.
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Affiliation(s)
- Zhong-Hai Yu
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Min Cai
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jun Xiang
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Zhen-Nian Zhang
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jing-Si Zhang
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Xiao-Ling Song
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Wen Zhang
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Jie Bao
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Wen-Wei Li
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China
| | - Ding-Fang Cai
- Department of Integrative Medicine, Zhongshan Hospital, Laboratory of Neurology, Institute of Integrative Medicine, Fudan University, 180 Fenglin Road, Shanghai 200032, China.
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Overexpression of microRNA-634 suppresses survival and matrix synthesis of human osteoarthritis chondrocytes by targeting PIK3R1. Sci Rep 2016; 6:23117. [PMID: 26972586 PMCID: PMC4789801 DOI: 10.1038/srep23117] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 02/25/2016] [Indexed: 12/15/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by deterioration of articular cartilage. Recent studies have demonstrated the importance of some microRNAs in cartilage damage. The aim of this study was to identify and characterize the expression of microRNA-634 (miR-634) in normal and OA chondrocytes, and to determine its role in OA pathogenesis. Human normal and OA chondrocytes obtained from patients were cultured in vitro. Transfection with miR-634 mimic or inhibitor was employed to investigate the effect of miR-634 on chondrocyte survival and matrix synthesis, and to identify miR-634 target. The results indicated that miR-634 was expressed at lower level in high grade OA chondrocyte compared with normal chondrocytes. Overexpression of miR-634 could inhibit cell survival and matrix synthesis in high grade OA chondrocytes. Furthermore, miR-634 targeted PIK3R1 gene that encodes the regulatory subunit 1 of class I PI3K (p85α) and exerted its inhibitory effect on the phosphorylation of Akt, mTOR, and S6 signal molecules in high grade OA chondrocytes. Therefore, the data suggested that miR-634 could suppress survival and matrix synthesis of high grade OA chondrocytes through targeting PIK3R1 gene to modulate the PI3K/Akt/S6 and PI3K/Akt/mTOR/S6 axes, with important implication for validating miR-634 as a potential target for OA therapy.
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Qiu YY, Wang WH, Hu JF, Shen S, Zhu L. Impact of age on acute alcohol induced liver injury and hepatocyte apoptosis. Shijie Huaren Xiaohua Zazhi 2015; 23:5123-5132. [DOI: 10.11569/wcjd.v23.i32.5123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the effect of age on acute alcoholic liver injury and hepatocyte apoptosis.
METHODS: Three age groups of SD rats (1-month, 6-month and 18-month-old rats; n = 15 each) were randomly divided into an experimental group (n = 10) and a control group (n = 5).The experimental group was intragastrically given alcohol (40% V/V, 15 g/kg), and the control group was given equal volume of normal saline. All the rats were sacrificed at 48 h to collect liver tissue and blood samples. Blood samples were tested for liver function, and the hepatic tissues were used for light microscopy, TUNEL, and ELISA for inflammatory cytokine measurement. RT-PCR was used to detect the mRNA expression of Bcl-2, Bax, and Caspase3.
RESULTS: In the control group, different age groups showed no significant difference in inflammation or liver function, although the liver cell apoptosis rate increased in the 18-month age group. The experiment group showed significant differences in inflammation and liver function compared to the control group. In the experiment groups, the above indexes also showed significant differences among different age groups, with the 1-month group having the highest levels, which is consistent with the degree of damage.
CONCLUSION: Under physiological conditions, liver function and inflammatory factors have no correlation with age, while apoptosis rate increases with age. Acute excessive alcohol consumption can cause liver damage, and the extent of damage is correlated with age, which may be related with different extents of inflammation and apoptosis in different age groups.
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Zhou WJ, Wang S, Hu Z, Zhou ZY, Song CJ. Angelica sinensis polysaccharides promotes apoptosis in human breast cancer cells via CREB-regulated caspase-3 activation. Biochem Biophys Res Commun 2015; 467:562-9. [PMID: 26431878 DOI: 10.1016/j.bbrc.2015.09.145] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 09/26/2015] [Indexed: 12/13/2022]
Abstract
Angelica sinensis polysaccharide (ASP) is purified from the fresh roots of Angelica sinensis (AS). This traditional Chinese medicine has been used for thousands of years for treating gynecological diseases and used in functional foods for the prevention and treatment of various diseases, such as inflammation and cancer. The antitumor activity of ASP is related to its biological activities, because it suppresses a variety of pro-proliferative or anti-apoptotic factors that are dramatically expressed in cancer cells of given types. In this study, we show that angelica sinensis polysaccharide induced apoptosis in breast cancer cells of T47D over-expressing the Cyclic AMP response element binding protein (CREB), inducing apoptosis-related signaling pathway activity. The result also found that ASP caused cell death was linked to caspase activity, accompanied by the loss of mitochondrial membrane potential, cytochrome c release, and Bax translocation from the cytosol to the mitochondria. We found that ASP significantly affected the poly-ADP-ribose polymerase (PARP), Bcl-2 Associated X Protein (Bax), Bcl-2, Bcl-xL and apoptotic protease activating facter-1 (Apaf1) protein expression in a dose- and time-dependent manner. DAPI staining and Flow cytometry were used to analyze apoptosis. The nude mice xenograft model was used to evaluate the antitumor effect of ASP in vivo. ASP has profound antitumor effect on T47D cells, probably by inducing apoptosis through CREB signaling pathway. Thus, these results suggest that ASP would be a promising therapeutic agent for breast cancer.
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Affiliation(s)
- Wei-Jie Zhou
- Department of Breast and Thyroid Surgery, Huaihe Hospital, Henan University, Kaifeng 475000, China
| | - Sheng Wang
- Department of Breast and Thyroid Surgery, Huaihe Hospital, Henan University, Kaifeng 475000, China
| | - Zhuang Hu
- Department of Breast and Thyroid Surgery, Huaihe Hospital, Henan University, Kaifeng 475000, China; Zhengzhou Center for Disease Control and Prevention, Zhengzhou 475000, China.
| | - Zhen-Yu Zhou
- Department of Breast and Thyroid Surgery, Huaihe Hospital, Henan University, Kaifeng 475000, China; Zhengzhou Center for Disease Control and Prevention, Zhengzhou 475000, China
| | - Cai-Juan Song
- Department of Breast and Thyroid Surgery, Huaihe Hospital, Henan University, Kaifeng 475000, China; Zhengzhou Center for Disease Control and Prevention, Zhengzhou 475000, China
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Ben P, Zhang Z, Xuan C, Sun S, Shen L, Gao Y, Cao X, Zhou Y, Lan L, Yin Z, Luo L. Protective Effect of L-Theanine on Cadmium-Induced Apoptosis in PC12 Cells by Inhibiting the Mitochondria-Mediated Pathway. Neurochem Res 2015; 40:1661-70. [PMID: 26164708 DOI: 10.1007/s11064-015-1648-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 06/18/2015] [Accepted: 06/20/2015] [Indexed: 02/07/2023]
Abstract
L-Theanine is an amino acid derivative from green tea. The present work was aimed at the effect of L-theanine on neuron-like rat pheochromocytoma (PC12) cells stimulated with cadmium chloride. Treatment with L-theanine before cadmium exposure increased cell viability; the experiments of Annexin V/PI staining indicated that L-theanine inhibited cadmium-induced cell apoptosis. Meanwhile, L-theanine decreased ROS production and protected from cadmium-induced disruption of mitochondrial transmembrane potential. Compared with cadmium-treated cells, L-theanine could also decrease the ratio of Bax/Bcl-2, as well as the level of cleaved caspase-9, caspase-3 and poly(ADP-ribose) polymerase. Furthermore, L-theanine depresses cadmium-induced up regulation of phosphorylations of PI3K/Akt, MAPK ERK1/2, and JNK signaling. These data suggest that L-theanine pretreatment reduces severity of cadmium toxicity probably via antioxidant action. Therefore, it may be concluded that L-theanine could be exploited for prevention of cadmium-induced diseases.
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Affiliation(s)
- Peiling Ben
- Jiangsu Province Key Laboratory for Molecular and Medical Biotechnology, College of Life Science, Nanjing Normal University, Nanjing, 210046, Jiangsu, People's Republic of China
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The beneficial effect of melatonin in brain endothelial cells against oxygen-glucose deprivation followed by reperfusion-induced injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2014; 2014:639531. [PMID: 25126203 PMCID: PMC4122057 DOI: 10.1155/2014/639531] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 06/07/2014] [Accepted: 06/20/2014] [Indexed: 12/31/2022]
Abstract
Melatonin has a cellular protective effect in cerebrovascular and neurodegenerative diseases. Protection of brain endothelial cells against hypoxia and oxidative stress is important for treatment of central nervous system (CNS) diseases, since brain endothelial cells constitute the blood brain barrier (BBB). In the present study, we investigated the protective effect of melatonin against oxygen-glucose deprivation, followed by reperfusion- (OGD/R-) induced injury, in bEnd.3 cells. The effect of melatonin was examined by western blot analysis, cell viability assays, measurement of intracellular reactive oxygen species (ROS), and immunocytochemistry (ICC). Our results showed that treatment with melatonin prevents cell death and degradation of tight junction protein in the setting of OGD/R-induced injury. In response to OGD/R injury of bEnd.3 cells, melatonin activates Akt, which promotes cell survival, and attenuates phosphorylation of JNK, which triggers apoptosis. Thus, melatonin protects bEnd.3 cells against OGD/R-induced injury.
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