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Shang T, Jiang T, Cui X, Pan Y, Feng X, Dong L, Wang H. Diverse functions of SOX9 in liver development and homeostasis and hepatobiliary diseases. Genes Dis 2024; 11:100996. [PMID: 38523677 PMCID: PMC10958229 DOI: 10.1016/j.gendis.2023.03.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 02/13/2023] [Accepted: 03/19/2023] [Indexed: 03/26/2024] Open
Abstract
The liver is the central organ for digestion and detoxification and has unique metabolic and regenerative capacities. The hepatobiliary system originates from the foregut endoderm, in which cells undergo multiple events of cell proliferation, migration, and differentiation to form the liver parenchyma and ductal system under the hierarchical regulation of transcription factors. Studies on liver development and diseases have revealed that SRY-related high-mobility group box 9 (SOX9) plays an important role in liver embryogenesis and the progression of hepatobiliary diseases. SOX9 is not only a master regulator of cell fate determination and tissue morphogenesis, but also regulates various biological features of cancer, including cancer stemness, invasion, and drug resistance, making SOX9 a potential biomarker for tumor prognosis and progression. This review systematically summarizes the latest findings of SOX9 in hepatobiliary development, homeostasis, and disease. We also highlight the value of SOX9 as a novel biomarker and potential target for the clinical treatment of major liver diseases.
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Affiliation(s)
- Taiyu Shang
- School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China
| | - Tianyi Jiang
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, The Second Military Medical University, Shanghai 200438, China
| | - Xiaowen Cui
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
| | - Yufei Pan
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
| | - Xiaofan Feng
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, The Second Military Medical University, Shanghai 200438, China
| | - Liwei Dong
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, The Second Military Medical University, Shanghai 200438, China
| | - Hongyang Wang
- School of Life Sciences, Institute of Metabolism and Integrative Biology, Fudan University, Shanghai 200438, China
- National Center for Liver Cancer, The Naval Medical University, Shanghai 201805, China
- International Cooperation Laboratory on Signal Transduction, Eastern Hepatobiliary Surgery Institute, The Second Military Medical University, Shanghai 200438, China
- Laboratory of Signaling Regulation and Targeting Therapy of Liver Cancer, Second Military Medical University & Ministry of Education, Shanghai 200438, China
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Marco M, Jansen M, van der Weiden G, Reich E, Maatuf YH, Mastbergen SC, Dvir-Ginzberg M. Two-year post-distraction cartilage-related structural improvement is accompanied by increased serum full-length SIRT1. Arthritis Res Ther 2024; 26:106. [PMID: 38790038 PMCID: PMC11127335 DOI: 10.1186/s13075-024-03342-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Previously, fragments from Sirtuin 1 (SIRT1) were identified in preclinical and clinical samples to display an increase in serum levels for N-terminal (NT) SIRT1 vs. C-terminal (CT) SIRT1, indicative of early signs of OA. Here we tested NT/CT SIRT1 levels as well as a novel formulated sandwich assay to simultaneously detect both domains of SIRT1 in a manner that may inform us about the levels of full-length SIRT1 in the circulation (flSIRT1) of clinical cohorts undergoing knee joint distraction (KJD). METHODS We employed an indirect ELISA assay to test NT- and CT-SIRT1 levels and calculated their ratio. Further, to test flSIRT1 we utilized novel antibodies (Ab), which were validated for site specificity and used in a sandwich ELISA method, wherein the CT-reactive served as capture Ab, and its NT-reactive served as primary detection Ab. This method was employed in human serum samples derived from a two-year longitudinal study of KJD patients. Two-year clinical and structural outcomes were correlated with serum levels of flSIRT1 compared to baseline. RESULTS Assessing the cohort, exhibited a significant increase of NT/CT SIRT1 serum levels with increased osteophytes and PIIANP/CTX-II at baseline, while a contradictory increase in NT/CT SIRT1 was associated with less denuded bone, post-KJD. On the other hand, flSIRT1 exhibited an upward trend in serum level, accompanied by reduced denuded bone for 2-year adjusted values. Moreover, 2 year-adjusted flSIRT1 levels displayed a steeper linear regression for cartilage and bone-related structural improvement than those observed for NT/CT SIRT1. CONCLUSIONS Our data support that increased flSIRT1 serum levels are a potential molecular endotype for cartilage-related structural improvement post-KJD, while NT/CT SIRT1 appears to correlate with osteophyte and PIIANP/CTX-II reduction at baseline, to potentially indicate baseline OA severity.
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Affiliation(s)
- Miya Marco
- Laboratory of Cartilage Biology, Institute of Bio-Medical and Oral Research, Faculty of Dental Medicine, Hadassah-Hebrew University of Jerusalem, P. O. Box 12272, Jerusalem, 9112102, Israel
| | - Mylène Jansen
- Rheumatology & Clinical Immunology, University Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Goran van der Weiden
- Rheumatology & Clinical Immunology, University Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Eli Reich
- Laboratory of Cartilage Biology, Institute of Bio-Medical and Oral Research, Faculty of Dental Medicine, Hadassah-Hebrew University of Jerusalem, P. O. Box 12272, Jerusalem, 9112102, Israel
| | - Yonathan H Maatuf
- Laboratory of Cartilage Biology, Institute of Bio-Medical and Oral Research, Faculty of Dental Medicine, Hadassah-Hebrew University of Jerusalem, P. O. Box 12272, Jerusalem, 9112102, Israel
| | - Simon C Mastbergen
- Rheumatology & Clinical Immunology, University Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Mona Dvir-Ginzberg
- Laboratory of Cartilage Biology, Institute of Bio-Medical and Oral Research, Faculty of Dental Medicine, Hadassah-Hebrew University of Jerusalem, P. O. Box 12272, Jerusalem, 9112102, Israel.
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Lu YC, Ho TC, Huang CH, Yeh SI, Chen SL, Tsao YP. PEDF peptide plus hyaluronic acid stimulates cartilage regeneration in osteoarthritis via STAT3-mediated chondrogenesis. Bone Joint Res 2024; 13:137-148. [PMID: 38555936 PMCID: PMC10981997 DOI: 10.1302/2046-3758.134.bjr-2023-0179.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024] Open
Abstract
Aims Pigment epithelium-derived factor (PEDF) is known to induce several types of tissue regeneration by activating tissue-specific stem cells. Here, we investigated the therapeutic potential of PEDF 29-mer peptide in the damaged articular cartilage (AC) in rat osteoarthritis (OA). Methods Mesenchymal stem/stromal cells (MSCs) were isolated from rat bone marrow (BM) and used to evaluate the impact of 29-mer on chondrogenic differentiation of BM-MSCs in culture. Knee OA was induced in rats by a single intra-articular injection of monosodium iodoacetate (MIA) in the right knees (set to day 0). The 29-mer dissolved in 5% hyaluronic acid (HA) was intra-articularly injected into right knees at day 8 and 12 after MIA injection. Subsequently, the therapeutic effect of the 29-mer/HA on OA was evaluated by the Osteoarthritis Research Society International (OARSI) histopathological scoring system and changes in hind paw weight distribution, respectively. The regeneration of chondrocytes in damaged AC was detected by dual-immunostaining of 5-bromo-2'-deoxyuridine (BrdU) and chondrogenic markers. Results The 29-mer promoted expansion and chondrogenic differentiation of BM-MSCs cultured in different defined media. MIA injection caused chondrocyte death throughout the AC, with cartilage degeneration thereafter. The 29-mer/HA treatment induced extensive chondrocyte regeneration in the damaged AC and suppressed MIA-induced synovitis, accompanied by the recovery of cartilage matrix. Pharmacological inhibitors of PEDF receptor (PEDFR) and signal transducer and activator of transcription 3 (STAT3) signalling substantially blocked the chondrogenic promoting activity of 29-mer on the cultured BM-MSCs and injured AC. Conclusion The 29-mer/HA formulation effectively induces chondrocyte regeneration and formation of cartilage matrix in the damaged AC.
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Affiliation(s)
- Yung-Chang Lu
- Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Tsung-Chuan Ho
- Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
| | - Chang-Hung Huang
- Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
- School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shu-I Yeh
- Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Show-Li Chen
- Graduate Institute of Microbiology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Yeou-Ping Tsao
- Department of Medical Research, Mackay Memorial Hospital, New Taipei City, Taiwan
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
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Fang S, Zhang B, Xiang W, Zheng L, Wang X, Li S, Zhang T, Feng D, Gong Y, Wu J, Yuan J, Wu Y, Zhu Y, Liu E, Ni Z. Natural products in osteoarthritis treatment: bridging basic research to clinical applications. Chin Med 2024; 19:25. [PMID: 38360724 PMCID: PMC10870578 DOI: 10.1186/s13020-024-00899-w] [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: 11/21/2023] [Accepted: 02/05/2024] [Indexed: 02/17/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative musculoskeletal disease, severely impacting the function of patients and potentially leading to disability, especially among the elderly population. Natural products (NPs), obtained from components or metabolites of plants, animals, microorganisms etc., have gained significant attention as important conservative treatments for various diseases. Recently, NPs have been well studied in preclinical and clinical researches, showing promising potential in the treatment of OA. In this review, we summed up the main signaling pathways affected by NPs in OA treatment, including NF-κB, MAPKs, PI3K/AKT, SIRT1, and other pathways, which are related to inflammation, anabolism and catabolism, and cell death. In addition, we described the therapeutic effects of NPs in different OA animal models and the current clinical studies in OA patients. At last, we discussed the potential research directions including in-depth analysis of the mechanisms and new application strategies of NPs for the OA treatment, so as to promote the basic research and clinical transformation in the future. We hope that this review may allow us to get a better understanding about the potential bioeffects and mechanisms of NPs in OA therapy, and ultimately improve the effectiveness of NPs-based clinical conservative treatment for OA patients.
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Affiliation(s)
- Shunzheng Fang
- School of Pharmacy, Medicinal Basic Research Innovation Center of Chronic Kidney Disease, Ministry of Education, Shanxi Medical University, Taiyuan, 030001, China
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Bin Zhang
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, 400022, China
- Rehabilitation Center, Key Specialty of Neck and Low Back Pain Rehabilitation, Strategic Support Force Xingcheng Special Duty Sanatorium, Liaoning, 125100, China
| | - Wei Xiang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Liujie Zheng
- Department of Orthopaedic Surgery, The Fourth Hospital of Wuhan, Wuhan, 430000, Hubei, China
| | - Xiaodong Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Song Li
- Department of Wound Repair and Rehabilitation Medicine, Center of Bone Metabolism and Repair, Laboratory for Prevention and Rehabilitation of Training Injuries, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Tongyi Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Daibo Feng
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yunquan Gong
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Jinhui Wu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Jing Yuan
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yaran Wu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Yizhen Zhu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China
| | - Enli Liu
- School of Pharmacy, Medicinal Basic Research Innovation Center of Chronic Kidney Disease, Ministry of Education, Shanxi Medical University, Taiyuan, 030001, China.
| | - Zhenhong Ni
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Rehabilitation Medicine, Daping Hospital, Army Medical University, Chongqing, 400022, China.
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Xu W, Gu S, Zhang G, Wang R, Lv S, Yan J, Qin Y. APOD acts on fibroblast-like synoviocyte and chondrocyte to alleviate the process of osteoarthritis in vitro. J Orthop Res 2024; 42:296-305. [PMID: 37728985 DOI: 10.1002/jor.25690] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/03/2023] [Accepted: 09/14/2023] [Indexed: 09/22/2023]
Abstract
The pathogenesis of osteoarthritis (OA) is still unclear, leading to the lack of targeted treatment. We aimed to probe into the effect of apolipoprotein D (APOD), the key gene from our previous study through bioinformatics analysis, on fibroblast-like synoviocyte (FLS) and chondrocytes in vitro to confirm its potential roles on the delay of OA progression. Primary FLS and chondrocytes were extracted from synovium and cartilage of OA patients and stimulated with interleukin 1β (IL-1β) in vitro. After APOD intervention, viability and proliferation of FLS and chondrocytes were detected. Subsequently, the inflammatory factors of the two cells were detected by quantitative reverse-transcription polymerase chain reaction, enzyme-linked immunosorbent assay, and western blot, and the apoptosis and autophagy-related substances were determined at the same time. Finally, the oxidation level in FLS and chondrocytes were detected. APOD reversed the change of gene expression stimulated by IL-1β in FLS and chondrocytes. APOD alleviated the proliferation of FLS while promoted proliferation of chondrocytes, and reduced the expression of inflammatory factors. Moreover, APOD promoted apoptosis of FLS and autography of chondrocytes, while reduced apoptosis of chondrocytes. Finally, decrease level of reactive oxygen species (ROS) in both cells were observed after APOD intervention, as well as the increased expression of antioxidant-related genes. APOD had effects on the proliferation of FLS and chondrocytes through apoptosis and autography as well as the reduction of oxidative stress, delaying the progress of OA.
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Affiliation(s)
- Wenbo Xu
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shoubin Gu
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Gang Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ren Wang
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Songcen Lv
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinglong Yan
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yong Qin
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Schneider RF, Gunter HM, Salewski I, Woltering JM, Meyer A. Growth dynamics and molecular bases of evolutionary novel jaw extensions in halfbeaks and needlefishes (Beloniformes). Mol Ecol 2023; 32:5798-5811. [PMID: 37750351 DOI: 10.1111/mec.17143] [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: 01/23/2023] [Revised: 08/17/2023] [Accepted: 09/05/2023] [Indexed: 09/27/2023]
Abstract
Evolutionary novelties-derived traits without clear homology found in the ancestors of a lineage-may promote ecological specialization and facilitate adaptive radiations. Examples for such novelties include the wings of bats, pharyngeal jaws of cichlids and flowers of angiosperms. Belonoid fishes (flying fishes, halfbeaks and needlefishes) feature an astonishing diversity of extremely elongated jaw phenotypes with undetermined evolutionary origins. We investigate the development of elongated jaws in a halfbeak (Dermogenys pusilla) and a needlefish (Xenentodon cancila) using morphometrics, transcriptomics and in situ hybridization. We confirm that these fishes' elongated jaws are composed of distinct base and novel 'extension' portions. These extensions are morphologically unique to belonoids, and we describe the growth dynamics of both bases and extensions throughout early development in both studied species. From transcriptomic profiling, we deduce that jaw extension outgrowth is guided by populations of multipotent cells originating from the anterior tip of the dentary. These cells are shielded from differentiation, but proliferate and migrate anteriorly during the extension's allometric growth phase. Cells left behind at the tip leave the shielded zone and undergo differentiation into osteoblast-like cells, which deposit extracellular matrix with both bone and cartilage characteristics that mineralizes and thereby provides rigidity. Such bone has characteristics akin to histological observations on the elongated 'kype' process on lower jaws of male salmon, which may hint at common conserved regulatory underpinnings. Future studies will evaluate the molecular pathways that govern the anterior migration and proliferation of these multipotent cells underlying the belonoids' evolutionary novel jaw extensions.
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Affiliation(s)
- Ralf F Schneider
- Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany
- Department of Marine Ecology, GEOMAR, Kiel, Germany
| | - Helen M Gunter
- Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Inken Salewski
- Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Joost M Woltering
- Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Axel Meyer
- Lehrstuhl für Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Germany
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Sun Q, Zhuang Z, Bai R, Deng J, Xin T, Zhang Y, Li Q, Han B. Lysine 68 Methylation-Dependent SOX9 Stability Control Modulates Chondrogenic Differentiation in Dental Pulp Stem Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206757. [PMID: 37386801 PMCID: PMC10460901 DOI: 10.1002/advs.202206757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/07/2023] [Indexed: 07/01/2023]
Abstract
Dental pulp stem cells (DPSCs), characterized by easy availability, multi-lineage differentiation ability, and high proliferation ability, are ideal seed cells for cartilage tissue engineering. However, the epigenetic mechanism underlying chondrogenesis in DPSCs remains elusive. Herein, it is demonstrated that KDM3A and G9A, an antagonistic pair of histone-modifying enzymes, bidirectionally regulate the chondrogenic differentiation of DPSCs by controlling SOX9 (sex-determining region Y-type high-mobility group box protein 9) degradation through lysine methylation. Transcriptomics analysis reveals that KDM3A is significantly upregulated during the chondrogenic differentiation of DPSCs. In vitro and in vivo functional analyses further indicate that KDM3A promotes chondrogenesis in DPSCs by boosting the SOX9 protein level, while G9A hinders the chondrogenic differentiation of DPSCs by reducing the SOX9 protein level. Furthermore, mechanistic studies indicate that KDM3A attenuates the ubiquitination of SOX9 by demethylating lysine (K) 68 residue, which in turn enhances SOX9 stability. Reciprocally, G9A facilitates SOX9 degradation by methylating K68 residue to increase the ubiquitination of SOX9. Meanwhile, BIX-01294 as a highly specific G9A inhibitor significantly induces the chondrogenic differentiation of DPSCs. These findings provide a theoretical basis to ameliorate the clinical use of DPSCs in cartilage tissue-engineering therapies.
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Affiliation(s)
- Qiannan Sun
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Zimeng Zhuang
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Rushui Bai
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Jie Deng
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Tianyi Xin
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Yunfan Zhang
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Qian Li
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
| | - Bing Han
- Department of OrthodonticsPeking University School and Hospital of StomatologyBeijing100081China
- National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory for Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental MaterialsBeijing100081China
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8
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Yang T, Zhao S, Yuan Y, Zhao X, Bu F, Zhang Z, Li Q, Li Y, Wei Z, Sun X, Zhang Y, Xie J. Platycodonis Radix Alleviates LPS-Induced Lung Inflammation through Modulation of TRPA1 Channels. Molecules 2023; 28:5213. [PMID: 37446875 DOI: 10.3390/molecules28135213] [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: 06/08/2023] [Revised: 06/23/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023] Open
Abstract
Platycodonis Radix (PR), a widely consumed herbal food, and its bioactive constituents, platycodins, have therapeutic potential for lung inflammation. Transient Receptor Potential Ankyrin 1 (TRPA1), which is essential for the control of inflammation, may be involved in the development of inflammation in the lungs. The aim of this study was to determine the TRPA1-targeted effects of PR against pulmonary inflammation and to investigate the affinity of PR constituents for TRPA1 and their potential mechanisms of action. Using a C57BL/6J mouse lipopolysaccharides (LPS) intratracheal instillation pneumonia model and advanced analytical techniques (UPLC-Q-TOF-MS/MS, molecular docking, immuno-fluorescence), five platycodins were isolated from PR, and the interaction between these platycodins and hTRPA1 was verified. Additionally, we analyzed the impact of platycodins on LPS-induced TRPA1 expression and calcium influx in BEAS-2B cells. The results indicated that PR treatment significantly reduced the severity of LPS-triggered inflammation in the mouse model. Interestingly, there was a mild increase in the expression of TRPA1 caused by PR in healthy mice. Among five isolated platycodins identified in the PR extract, Platycodin D3 (PD3) showed the highest affinity for hTRPA1. The interaction between platycodins and TRPA1 was verified through molecular docking methods, highlighting the significance of the S5-S6 pore-forming loop in TRPA1 and the unique structural attributes of platycodins. Furthermore, PD3 significantly reduced LPS-induced TRPA1 expression and calcium ion influx in BEAS-2B cells, substantiating its own role as an effective TRPA1 modulator. In conclusion, PR and platycodins, especially PD3, show promise as potential lung inflammation therapeutics. Further research should explore the precise mechanisms by which platycodins modulate TRPA1 and their broader therapeutic potential.
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Affiliation(s)
- Tan Yang
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Shuang Zhao
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yu Yuan
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiaotong Zhao
- Department of Chemistry, Cleveland State University, Cleveland, OH 44115, USA
| | - Fanjie Bu
- College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
| | - Zhiyuan Zhang
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Qianqian Li
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yaxin Li
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, NY 10065, USA
| | - Zilu Wei
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Xiuyan Sun
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yanqing Zhang
- College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
| | - Junbo Xie
- College of Traditional Chinese Pharmacy, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
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Lafont JE, Moustaghfir S, Durand AL, Mallein-Gerin F. The epigenetic players and the chromatin marks involved in the articular cartilage during osteoarthritis. Front Physiol 2023; 14:1070241. [PMID: 36733912 PMCID: PMC9887161 DOI: 10.3389/fphys.2023.1070241] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 01/04/2023] [Indexed: 01/18/2023] Open
Abstract
Epigenetics defines the modifications of the genome that do not involve a change in the nucleotide sequence of DNA. These modifications constitute a mechanism of gene regulation poorly explored in the context of cartilage physiology. They are now intensively studied by the scientific community working on articular cartilage and its related pathology such as osteoarthritis. Indeed, epigenetic regulations can control the expression of crucial gene in the chondrocytes, the only resident cells of cartilage. Some epigenetic changes are considered as a possible cause of the abnormal gene expression and the subsequent alteration of the chondrocyte phenotype (hypertrophy, proliferation, senescence…) as observed in osteoarthritic cartilage. Osteoarthritis is a joint pathology, which results in impaired extracellular matrix homeostasis and leads ultimately to the progressive destruction of cartilage. To date, there is no pharmacological treatment and the exact causes have yet to be defined. Given that the epigenetic modifying enzymes can be controlled by pharmacological inhibitors, it is thus crucial to describe the epigenetic marks that enable the normal expression of extracellular matrix encoding genes, and those associated with the abnormal gene expression such as degradative enzyme or inflammatory cytokines encoding genes. In this review, only the DNA methylation and histone modifications will be detailed with regard to normal and osteoarthritic cartilage. Although frequently referred as epigenetic mechanisms, the regulatory mechanisms involving microRNAs will not be discussed. Altogether, this review will show how this nascent field influences our understanding of the pathogenesis of OA in terms of diagnosis and how controlling the epigenetic marks can help defining epigenetic therapies.
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Carmon I, Zecharyahu L, Elayyan J, Meka SRK, Reich E, Kandel L, Bilkei-Gorzo A, Zimmer A, Mechoulam R, Kravchenko-Balasha N, Dvir-Ginzberg M. HU308 Mitigates Osteoarthritis by Stimulating Sox9-Related Networks of Carbohydrate Metabolism. J Bone Miner Res 2023; 38:154-170. [PMID: 36350089 PMCID: PMC10098743 DOI: 10.1002/jbmr.4741] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 10/14/2022] [Accepted: 10/21/2022] [Indexed: 11/11/2022]
Abstract
Osteoarthritis (OA) is characterized by progressive, irreversible erosion of articular cartilage accompanied by severe pain and immobility. This study aimed to assess the effect and mechanism of action of HU308, a selective cannabinoid receptor type 2 (CB2) agonist, in preventing OA-related joint damage. To test the assumption that HU308 could prevent OA-related joint damage, Cnr2 null mice and wild type (WT) mice were aged to reach 20 months and analyzed for joint structural features. OA was induced in WT mice via a post-traumatic procedure or aging, followed by HU308 local (intra-articular) or systemic (intraperitoneal) administration, respectively. Additional analyses of time and dose courses for HU308 were carried out in human primary chondrocytes, analyzed by RNA sequencing, RT-PCR, chromatin immunoprecipitation, and immunoblotting. Our results showed that Cnr2 null mice exhibited enhanced age-related OA severity and synovitis compared to age-matched WT mice. Systemic administration of HU308 to 16-month-old mice improved pain sensitivity and maintained joint integrity, which was consistent with the intra-articular administration of HU308 in post-traumatic OA mice. When assessing human chondrocytes treated with HU308, we uncovered a dose- and time-related increase in ACAN and COL2A1 expression, which was preceded by increased SOX9 expression due to pCREB transcriptional activity. Finally, transcriptomic analysis of patient-derived human chondrocytes identified patient subpopulations exhibiting HU308-responsive trends as judged by enhanced SOX9 expression, accompanied by enriched gene networks related to carbohydrate metabolism. Collectively, the results showed that HU308 reduced trauma and age-induced OA via CB2-pCREB dependent activation of SOX9, contributing to augmented gene networks related to carbohydrate metabolism. © 2022 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Idan Carmon
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem, Israel.,Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Lital Zecharyahu
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jinan Elayyan
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Sai R K Meka
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem, Israel.,Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eli Reich
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Leonid Kandel
- Orthopedic Complex. Hebrew University- Hadassah Medical Center, Jerusalem, Israel
| | | | - Andreas Zimmer
- Institute of Molecular Psychiatry, University of Bonn, Bonn, Germany
| | - Raphael Mechoulam
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Nataly Kravchenko-Balasha
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Mona Dvir-Ginzberg
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem, Israel.,Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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Carmon I, Smoum R, Farhat E, Reich E, Kandel L, Yekhtin Z, Gallily R, Mechoulam R, Dvir-Ginzberg M. A Fenchone Derivative Effectively Abrogates Joint Damage Following Post-Traumatic Osteoarthritis in Lewis Rats. Cells 2022; 11:cells11244084. [PMID: 36552848 PMCID: PMC9777073 DOI: 10.3390/cells11244084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND In a previous report, we have identified the cannabinoid receptor 2 (CB2) agonist HU308 to possess a beneficial effect in preventing age and trauma-induced osteoarthritis (OA) in mice. The effects of HU308 were largely related to the capacity of this compound to induce cartilage anabolism which was dependent on the CREB/SOX9 axis, and exhibited pro-survival and pro-proliferative hallmarks of articular cartilage following treatment. Here, we utilized the novel cannabinoid-fenchone CB2 agonists (1B, 1D), which were previously reported to render anti-inflammatory effects in a zymosan model. METHODS Initially, we assessed the selectivity of CB2 using a Gs-protein receptor cAMP potency assay, which was also validated for antagonistic effects dependent on the Gi-protein receptor cAMP pathway. Based on EC50 values, 1D was selected for a zymosan inflammatory pain model. Next, 1D was administered in two doses intra-articularly (IA), in a post-traumatic medial meniscal tear (MMT, Lewis rats) model, and compared to sham, vehicle, and a positive control consisting of fibroblast growth factor 18 (FGF18) administration. The histopathological assessment was carried out according to the Osteoarthritis Research Society International (OARSI) guidelines for rat models following 28 days post-MMT. RESULTS The G protein receptor assays confirmed that both 1B and 1D possess CB2 agonistic effects in cell lines and in chondrocytes. Co-administering a CB2 antagonists to 25 mg/kg 1D in a paw inflammatory pain model abolished 1D-related anti-swelling effect and partially abolishing its analgesic effects. Using an MMT model, the high dose (i.e., 24 µg) of 1D administered via IA route, exhibited reduced cartilage damage. Particularly, this dose of 1D exhibited a 30% improvement in cartilage degeneration (zonal/total tibial scores) and lesion depth ratios (44%), comparable to the FGF18 positive control. Synovitis scores remained unaffected and histopathologic evaluation of subchondral bone damage did not suggest that 1D treatment changed the load-bearing ability of the rats. Contrary to the anabolic effect of FGF18, synovial inflammation was observed and was accompanied by increased osteophyte size. CONCLUSION The structural histopathological analysis supports a disease-modifying effect of IA-administered 1D compound without any deleterious effects on the joint structure.
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Affiliation(s)
- Idan Carmon
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Reem Smoum
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Eli Farhat
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Eli Reich
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Leonid Kandel
- Orthopedic Surgery Complex, Hebrew University-Hadassah Medical Center, Jerusalem 91120, Israel
| | - Zhannah Yekhtin
- The Lautenberg Center for Immunology and Cancer Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Ruth Gallily
- The Lautenberg Center for Immunology and Cancer Research, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Raphael Mechoulam
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
| | - Mona Dvir-Ginzberg
- Multidisciplinary Center for Cannabinoid Research, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Institute of BioMedical and Oral Research, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Correspondence: ; Tel.: +972-2-675-7614
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12
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Heywood HK, Thorpe SD, Jeropoulos RM, Caton PW, Lee DA. Modulation of sirtuins during monolayer chondrocyte culture influences cartilage regeneration upon transfer to a 3D culture environment. Front Bioeng Biotechnol 2022; 10:971932. [PMID: 36561039 PMCID: PMC9763269 DOI: 10.3389/fbioe.2022.971932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 11/18/2022] [Indexed: 12/12/2022] Open
Abstract
This study examined the role of sirtuins in the regenerative potential of articular chondrocytes. Sirtuins (SIRT1-7) play a key role in regulating cartilage homeostasis. By inhibiting pro-inflammatory pathways responsible for cartilage degradation and promoting the expression of key matrix components, sirtuins have the potential to drive a favourable balance between anabolic and catabolic processes critical to regenerative medicine. When subjected to osmolarity and glucose concentrations representative of the in vivo niche, freshly isolated bovine chondrocytes exhibited increases in SIRT1 but not SIRT3 gene expression. Replicating methods adopted for the in vitro monolayer expansion of chondrocytes for cartilage regenerative therapies, we found that SIRT1 gene expression declined during expansion. Manipulation of sirtuin activity during in vitro expansion by supplementation with the SIRT1-specific activator SRT1720, nicotinamide mononucleotide, or the pan-sirtuin inhibitor nicotinamide, significantly influenced cartilage regeneration in subsequent 3D culture. Tissue mass, cellularity and extracellular matrix content were reduced in response to sirtuin inhibition during expansion, whilst sirtuin activation enhanced these measures of cartilage tissue regeneration. Modulation of sirtuin activity during monolayer expansion influenced H3K27me3, a heterochromatin mark with an important role in development and differentiation. Unexpectedly, treatment of primary chondrocytes with sirtuin activators in 3D culture reduced their matrix synthesis. Thus, modulating sirtuin activity during the in vitro monolayer expansion phase may represent a distinct opportunity to enhance the outcome of cartilage regenerative medicine techniques.
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Affiliation(s)
- Hannah K. Heywood
- School of Engineering and Materials Science, Queen Mary University of London, London, United Kingdom
| | - Stephen D. Thorpe
- School of Engineering and Materials Science, Queen Mary University of London, London, United Kingdom,UCD School of Medicine, UCD Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland,Trinity Centre for Biomedical Engineering, Trinity College Dublin, Dublin, Ireland
| | - Renos M. Jeropoulos
- Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Paul W. Caton
- Department of Diabetes, School of Life Course Sciences, King’s College London, London, United Kingdom
| | - David A. Lee
- School of Engineering and Materials Science, Queen Mary University of London, London, United Kingdom,*Correspondence: David A. Lee,
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Ming Z, Vining B, Bagheri-Fam S, Harley V. SOX9 in organogenesis: shared and unique transcriptional functions. Cell Mol Life Sci 2022; 79:522. [PMID: 36114905 PMCID: PMC9482574 DOI: 10.1007/s00018-022-04543-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/13/2022] [Accepted: 08/31/2022] [Indexed: 11/28/2022]
Abstract
The transcription factor SOX9 is essential for the development of multiple organs including bone, testis, heart, lung, pancreas, intestine and nervous system. Mutations in the human SOX9 gene led to campomelic dysplasia, a haploinsufficiency disorder with several skeletal malformations frequently accompanied by 46, XY sex reversal. The mechanisms underlying the diverse SOX9 functions during organ development including its post-translational modifications, the availability of binding partners, and tissue-specific accessibility to target gene chromatin. Here we summarize the expression, activities, and downstream target genes of SOX9 in molecular genetic pathways essential for organ development, maintenance, and function. We also provide an insight into understanding the mechanisms that regulate the versatile roles of SOX9 in different organs.
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Affiliation(s)
- Zhenhua Ming
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Brittany Vining
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Stefan Bagheri-Fam
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia
| | - Vincent Harley
- Sex Development Laboratory, Hudson Institute of Medical Research, PO Box 5152, Melbourne, VIC, 3168, Australia.
- Department of Molecular and Translational Science, Monash University, Melbourne, VIC, 3800, Australia.
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14
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Weisz-Hubshman M, Egunsula AT, Dawson B, Castellon A, Jiang MM, Chen-Evenson Y, Zhiyin Y, Lee B, Bae Y. DDRGK1 is required for the proper development and maintenance of the growth plate cartilage. Hum Mol Genet 2022; 31:2820-2830. [PMID: 35377455 PMCID: PMC9402238 DOI: 10.1093/hmg/ddac078] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/13/2022] [Accepted: 03/27/2022] [Indexed: 11/13/2022] Open
Abstract
Loss-of-function mutations in DDRGK1 have been shown to cause Shohat type spondyloepimetaphyseal dysplasia (SEMD). In zebrafish, loss of function of ddrgk1 leads to defects in early cartilage development. Ddrgk1-/- mice show delayed mesenchymal condensation in the limb buds and early embryonic lethality. Mechanistically, Ddrgk1 interacts with Sox9 and reduces ubiquitin-mediated proteasomal degradation of Sox9 protein. To investigate the cartilage-specific role of DDRGK1, conditional knockout mice were generated by intercrossing Prx1-Cre transgenic mice with Ddrgkfl/fl mice to delete its expression in limb mesenchymal cells. Mutant mice showed progressive severe shortening of the limbs and joint abnormalities. The growth plate showed disorganization with shortened proliferative zone and enlarged hypertrophic zone. In correlation with these findings, Sox9 and Col2a1 protein levels were decreased, while Col10a1 expression was expanded. These data demonstrate the importance of Ddrgk1 during growth plate development. In contrast, deletion of Ddrgk1 with the osteoblast-specific Osteocalcin-Cre and Leptin receptor-Cre lines did not show bone phenotypes, suggesting that the effect on limb development is cartilage-specific. To evaluate the role of DDRGK1 in cartilage postnatal homeostasis, inducible Agc1-CreERT2; Ddrgklfl/fl mice were generated. Mice in which Ddrgk1 was deleted at 3 months of age showed disorganized growth plate, with significant reduction in proteoglycan deposition. These data demonstrate a postnatal requirement for Ddrgk1 in maintaining normal growth plate morphology. Together, these findings highlight the physiological role of Ddrgk1 in the development and maintenance of the growth plate cartilage. Furthermore, these genetic mouse models recapitulate the clinical phenotype of short stature and joint abnormalities observed in patients with Shohat type SEMD.
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Affiliation(s)
- Monika Weisz-Hubshman
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Adetutu T Egunsula
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Brian Dawson
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Alexis Castellon
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Ming-Ming Jiang
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yuqing Chen-Evenson
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yu Zhiyin
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Yangjin Bae
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
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15
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Zhao S, Huang Z, Jiang H, Xiu J, Zhang L, Long Q, Yang Y, Yu L, Lu L, Gu H. Sirtuin 1 Induces Choroidal Neovascularization and Triggers Age-Related Macular Degeneration by Promoting LCN2 through SOX9 Deacetylation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1671438. [PMID: 35720180 PMCID: PMC9203240 DOI: 10.1155/2022/1671438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/07/2022] [Accepted: 05/13/2022] [Indexed: 12/03/2022]
Abstract
Increasing studies have identified the function of sirtuin-1 (SIRT1) in ocular diseases. Hence, this study is aimed at exploring the potential role of SIRT1 in choroidal neovascularization- (CNV-) induced age-related macular degeneration (AMD) development and the associated mechanism. Expression of SIRT1/SOX9/LCN2 in the hypoxic cells was determined, and their interactions were predicted by bioinformatics websites and followed by the verification by luciferase assay and chromatin immunoprecipitation (ChIP). Their in vitro effects on hypoxic cells concerning cell viability, apoptosis, migration, and angiogenesis were detected through gain- and loss-of-function assays. Besides, their in vivo effect was explored using the established CNV mouse models. Highly expressed LCN2, SOX9, and SIRT1 were observed in hypoxic cells. LCN2 was increased by SOX9 and SIRT1 deacetylated SOX9 to promote its nuclear translocation, which further inhibited the viability of human retinal pigment epithelial cells and promoted cell apoptosis and angiogenesis as well as CNV-induced AMD formation. The relieving role of LCN2 inhibition on CNV-induced AMD without toxicity for mice was also demonstrated by in vivo experiments. Overall, SIRT1 promoted the formation of CNV-induced AMD through SOX9 deacetylation-caused LCN2 upregulation, representing a promising target for CNV-induced AMD management.
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Affiliation(s)
- Su Zhao
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
- School of Clinical Medicine, Guizhou Medical University, Guiyang 550002, China
| | - Zhi Huang
- School of Basic Medical Science, Guizhou Medical University, Guiyang 550002, China
| | - Hao Jiang
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
| | - Jiangfan Xiu
- School of Basic Medical Science, Guizhou Medical University, Guiyang 550002, China
| | - Liying Zhang
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
| | - Qiurong Long
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
| | - Yuhan Yang
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
| | - Lu Yu
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
| | - Lu Lu
- Shenzhen Key Laboratory of Ophthalmology, Shenzhen Eye Hospital, Shenzhen 5180403, China
| | - Hao Gu
- Department of Ophthalmology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550002, China
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16
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Smith CA, Humphreys PA, Bates N, Naven MA, Cain SA, Dvir‐Ginzberg M, Kimber SJ. SIRT1 activity orchestrates ECM expression during hESC-chondrogenic differentiation. FASEB J 2022; 36:e22314. [PMID: 35416346 PMCID: PMC9322318 DOI: 10.1096/fj.202200169r] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 11/11/2022]
Abstract
Epigenetic modification is a key driver of differentiation, and the deacetylase Sirtuin1 (SIRT1) is an established regulator of cell function, ageing, and articular cartilage homeostasis. Here we investigate the role of SIRT1 during development of chondrocytes by using human embryonic stem cells (hESCs). HESC-chondroprogenitors were treated with SIRT1 activator; SRT1720, or inhibitor; EX527, during differentiation. Activation of SIRT1 early in 3D-pellet culture led to significant increases in the expression of ECM genes for type-II collagen (COL2A1) and aggrecan (ACAN), and chondrogenic transcription factors SOX5 and ARID5B, with SOX5 ChIP analysis demonstrating enrichment on the chondrocyte specific -10 (A1) enhancer of ACAN. Unexpectedly, when SIRT1 was activated, while ACAN was enhanced, glycosaminoglycans (GAGs) were reduced, paralleled by down regulation of gene expression for N-acetylgalactosaminyltransferase type 1 (GALNT1) responsible for GAG chain initiation/elongation. A positive correlation between ARID5B and COL2A1 was observed, and co-IP assays indicated association of ARID5B with SIRT1, further suggesting that COL2A1 expression is promoted by an ARID5B-SIRT1 interaction. In conclusion, SIRT1 activation positively impacts on the expression of the main ECM proteins, while altering ECM composition and suppressing GAG content during human cartilage development. These results suggest that SIRT1 activity has a differential effect on GAGs and proteins in developing hESC-chondrocytes and could only be beneficial to cartilage development and matrix protein synthesis if balanced by addition of positive GAG mediators.
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Affiliation(s)
- Christopher A. Smith
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
| | - Paul A. Humphreys
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
| | - Nicola Bates
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
| | - Mark A. Naven
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
| | - Stuart A. Cain
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
| | - Mona Dvir‐Ginzberg
- Laboratory of Cartilage BiologyFaculty of Dental MedicineHebrew University of JerusalemJerusalemIsrael
| | - Susan J. Kimber
- Division of Cell Matrix Biology and Regenerative MedicineSchool of Biological SciencesUniversity of ManchesterManchesterUK
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17
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Yang X, Tian S, Fan L, Niu R, Yan M, Chen S, Zheng M, Zhang S. Integrated regulation of chondrogenic differentiation in mesenchymal stem cells and differentiation of cancer cells. Cancer Cell Int 2022; 22:169. [PMID: 35488254 PMCID: PMC9052535 DOI: 10.1186/s12935-022-02598-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 04/19/2022] [Indexed: 11/15/2022] Open
Abstract
Chondrogenesis is the formation of chondrocytes and cartilage tissues and starts with mesenchymal stem cell (MSC) recruitment and migration, condensation of progenitors, chondrocyte differentiation, and maturation. The chondrogenic differentiation of MSCs depends on co-regulation of many exogenous and endogenous factors including specific microenvironmental signals, non-coding RNAs, physical factors existed in culture condition, etc. Cancer stem cells (CSCs) exhibit self-renewal capacity, pluripotency and cellular plasticity, which have the potential to differentiate into post-mitotic and benign cells. Accumulating evidence has shown that CSCs can be induced to differentiate into various benign cells including adipocytes, fibrocytes, osteoblast, and so on. Retinoic acid has been widely used in the treatment of acute promyelocytic leukemia. Previous study confirmed that polyploid giant cancer cells, a type of cancer stem-like cells, could differentiate into adipocytes, osteocytes, and chondrocytes. In this review, we will summarize signaling pathways and cytokines in chondrogenic differentiation of MSCs. Understanding the molecular mechanism of chondrogenic differentiation of CSCs and cancer cells may provide new strategies for cancer treatment.
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Affiliation(s)
- Xiaohui Yang
- Nankai University School of Medicine, Nankai University, Tianjin, 300071, People's Republic of China
| | - Shifeng Tian
- Graduate School, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Linlin Fan
- Department of Pathology, Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People's Republic of China
| | - Rui Niu
- Department of Pathology, Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People's Republic of China
| | - Man Yan
- Department of Pathology, Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People's Republic of China
| | - Shuo Chen
- Department of Colorectal Surgery, Tianjin Union Medical Center, Tianjin, People's Republic of China
| | - Minying Zheng
- Department of Pathology, Tianjin Union Medical Center, Tianjin, 300071, People's Republic of China
| | - Shiwu Zhang
- Department of Pathology, Tianjin Union Medical Center, Tianjin, 300071, People's Republic of China.
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18
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Xiao L, Hu B, Ding B, Zhao Q, Liu C, Öner FC, Xu H. N(6)-methyladenosine RNA methyltransferase like 3 inhibits extracellular matrix synthesis of endplate chondrocytes by downregulating sex-determining region Y-Box transcription factor 9 expression under tension. Osteoarthritis Cartilage 2022; 30:613-625. [PMID: 35007741 DOI: 10.1016/j.joca.2022.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 01/03/2022] [Accepted: 01/04/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Tension stimulation is an important inducer of endplate cartilage degeneration, but the specific regulatory mechanism remains unclear. This study was the first to reveal the mechanism by which methyltransferase-like 3 (METTL3)-mediated N(6)-methyladenosine (m6A) modification affected the extracellular matrix anabolism by tension-induced endplate chondrocytes. METHOD We examined the differences in METTL3 expression and m6A methylation levels in human endplate chondrocytes and human cartilage endplate tissues under in vitro tension. The effect on endplate cartilage degeneration was evaluated by manipulating m6A methylation mediated by METTL3 in vivo and in vitro. The effect of METTL3-mediated m6A methylation on the stability of sex-determining region Y-box transcription factor 9 (SOX9) gene expression was determined experimentally. RESULTS METTL3 expression and m6A methylation levels were significantly increased in degenerative human endplate cartilage tissue. Similarly, tension stimulation inhibited the ability of human endplate chondrocytes to synthesize extracellular matrix, which was accompanied by an increase in METTL3-mediated m6A methylation. The ability of endplate chondrocytes to resist tension was significantly enhanced by inhibiting METTL3 expression and subsequently downregulating m6A methylation in vitro and in vivo, thereby reducing intervertebral disc degeneration. Furthermore, METTL3 mediated SOX9 RNA methylation and disrupted SOX9 mRNA stability, thereby inhibiting the gene expression of the downstream collagen type II alpha 1 chain. CONCLUSION Tension stimulation downregulated SOX9 expression through METTL3-mediated m6A methylation, thereby inhibiting the synthesis of extracellular matrix in endplate chondrocytes.
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Affiliation(s)
- L Xiao
- Department of Spine Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan West Road, Wuhu, Anhui, 241001, China
| | - B Hu
- Spine Research Center of Wannan Medical College, No.22 Wenchang West Road, Wuhu, Anhui, 241001, China
| | - B Ding
- Spine Research Center of Wannan Medical College, No.22 Wenchang West Road, Wuhu, Anhui, 241001, China
| | - Q Zhao
- Department of Spine Surgery, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan West Road, Wuhu, Anhui, 241001, China
| | - C Liu
- Key Laboratory of Non-Coding RNA Transformation Research of Anhui Higher Education Institution, No. 2 Zheshan West Road, Wuhu, Anhui, 241001, China
| | - F C Öner
- Department of Orthopedics, University Medical Center Utrecht, Heidelberglaan, 1003508, Netherlands.
| | - H Xu
- Spine Research Center of Wannan Medical College, No.22 Wenchang West Road, Wuhu, Anhui, 241001, China.
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19
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Yamamoto T, Miyaji N, Kataoka K, Nishida K, Nagai K, Kanzaki N, Hoshino Y, Kuroda R, Matsushita T. Knee Osteoarthritis Progression Is Delayed in Silent Information Regulator 2 Ortholog 1 Knock-in Mice. Int J Mol Sci 2021; 22:ijms221910685. [PMID: 34639026 PMCID: PMC8508837 DOI: 10.3390/ijms221910685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/26/2021] [Accepted: 09/29/2021] [Indexed: 12/22/2022] Open
Abstract
Overexpression of silent information regulator 2 ortholog 1 (SIRT1) is associated with beneficial roles in aging-related diseases; however, the effects of SIRT1 overexpression on osteoarthritis (OA) progression have not yet been studied. The aim of this study was to investigate OA progression in SIRT1-KI mice using a mouse OA model. OA was induced via destabilization of the medial meniscus using 12-week-old SIRT1-KI and wild type (control) mice. OA progression was evaluated histologically based on the Osteoarthritis Research Society International (OARSI) score at 4, 8, 12, and 16 weeks after surgery. The production of SIRT1, type II collagen, MMP-13, ADAMTS-5, cleaved caspase 3, Poly (ADP-ribose) polymerase (PARP) p85, acetylated NF-κB p65, interleukin 1 beta (IL-1β), and IL-6 was examined via immunostaining. The OARSI scores were significantly lower in SIRT1-KI mice than those in control mice at 8, 12, and 16 weeks after surgery. The proportion of SIRT1 and type II collagen-positive-chondrocytes was significantly higher in SIRT1-KI mice than that in control mice. Moreover, the proportion of MMP-13-, ADAMTS-5-, cleaved caspase 3-, PARP p85-, acetylated NF-κB p65-, IL-1β-, and IL-6-positive chondrocytes was significantly lower in SIRT1-KI mice than that in control mice. The mechanically induced OA progression was delayed in SIRT1-KI mice compared to that in control mice. Therefore, overexpression of SIRT1 may represent a mechanism for delaying OA progression.
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MESH Headings
- Animals
- Biomarkers
- Cartilage, Articular/metabolism
- Cartilage, Articular/pathology
- Cytokines/metabolism
- Disease Models, Animal
- Disease Progression
- Disease Susceptibility
- Genetic Predisposition to Disease
- Inflammation Mediators
- Menisci, Tibial/metabolism
- Menisci, Tibial/pathology
- Menisci, Tibial/surgery
- Mice
- Mice, Transgenic
- Osteoarthritis, Knee/etiology
- Osteoarthritis, Knee/metabolism
- Osteoarthritis, Knee/pathology
- Osteoarthritis, Knee/therapy
- Sirtuin 1/genetics
- Sirtuin 1/metabolism
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20
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Xie M, Wu Z, Ying S, Liu L, Zhao C, Yao C, Zhang Z, Luo C, Wang W, Zhao D, Zhang J, Qiu W, Wang Y. Sublytic C5b-9 induces glomerular mesangial cell proliferation via ERK1/2-dependent SOX9 phosphorylation and acetylation by enhancing Cyclin D1 in rat Thy-1 nephritis. Exp Mol Med 2021; 53:572-590. [PMID: 33811247 PMCID: PMC8102557 DOI: 10.1038/s12276-021-00589-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 02/07/2021] [Accepted: 02/09/2021] [Indexed: 02/01/2023] Open
Abstract
Glomerular mesangial cell (GMC) proliferation is a histopathological alteration in human mesangioproliferative glomerulonephritis (MsPGN) or in animal models of MsPGN, e.g., the rat Thy-1 nephritis (Thy-1N) model. Although sublytic C5b-9 assembly on the GMC membrane can trigger cell proliferation, the mechanisms are still undefined. We found that sublytic C5b-9-induced rat GMC proliferation was driven by extracellular signal-regulated kinase 1/2 (ERK1/2), sry-related HMG-box 9 (SOX9), and Cyclin D1. Here, ERK1/2 phosphorylation was a result of the calcium influx-PKC-α-Raf-MEK1/2 axis activated by sublytic C5b-9, and Cyclin D1 gene transcription was enhanced by ERK1/2-dependent SOX9 binding to the Cyclin D1 promoter (-582 to -238 nt). In addition, ERK1/2 not only interacted with SOX9 in the cell nucleus to mediate its phosphorylation at serine residues 64 (a new site identified by mass spectrometry) and 181 (a known site), but also indirectly induced SOX9 acetylation by elevating the expression of general control non-repressed protein 5 (GCN5), which together resulted in Cyclin D1 synthesis and GMC proliferation. Moreover, our in vivo experiments confirmed that silencing these genes ameliorated the lesions of Thy-1N rats and reduced SOX9 phosphorylation, acetylation and Cyclin D1 expression. Furthermore, the renal tissue sections of MsPGN patients also showed higher phosphorylation or expression of ERK1/2, SOX9, and Cyclin D1. In summary, these findings suggest that sublytic C5b-9-induced GMC proliferation in rat Thy-1N requires SOX9 phosphorylation and acetylation via enhanced Cyclin D1 gene transcription, which may provide a new insight into human MsPGN pathogenesis.
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Affiliation(s)
- Mengxiao Xie
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China ,grid.412676.00000 0004 1799 0784Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Zhijiao Wu
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Shuai Ying
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Longfei Liu
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China ,grid.89957.3a0000 0000 9255 8984Department of Central Laboratory, The Affiliated Huaian No. 1 People’s Hospital, Nanjing Medical University, One West Huanghe Road, Huai’an, Jiangsu 223300 China
| | - Chenhui Zhao
- grid.412676.00000 0004 1799 0784Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Chunlei Yao
- grid.412676.00000 0004 1799 0784Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, Jiangsu 210029 China
| | - Zhiwei Zhang
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Can Luo
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Wenbo Wang
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Dan Zhao
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Jing Zhang
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China
| | - Wen Qiu
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China ,grid.89957.3a0000 0000 9255 8984Key Laboratory of Antibody Technology of Ministry of Health, Nanjing Medical University, Nanjing, Jiangsu 211166 China
| | - Yingwei Wang
- grid.89957.3a0000 0000 9255 8984Department of Immunology, and Key Laboratory of Immunological Environment and Disease, Nanjing Medical University, 101 Longmian Road, Nanjing, Jiangsu 211166 China ,grid.89957.3a0000 0000 9255 8984Key Laboratory of Antibody Technology of Ministry of Health, Nanjing Medical University, Nanjing, Jiangsu 211166 China
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21
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Meka SRK, Younis T, Reich E, Elayyan J, Kumar A, Merquiol E, Blum G, Kalmus S, Maatuf YH, Batshon G, Nussbaum G, Houri-Haddad Y, Dvir-Ginzberg M. TNFα expression by Porphyromonas gingivalis-stimulated macrophages relies on Sirt1 cleavage. J Periodontal Res 2021; 56:535-546. [PMID: 33559894 DOI: 10.1111/jre.12853] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/15/2020] [Accepted: 01/11/2021] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Periodontitis is one the most common chronic inflammatory conditions, resulting in destruction of tooth-supporting tissues and leading to tooth loss. Porphyromonas gingivalis activates host macrophages to secrete pro-inflammatory cytokines and elicit tissue damage, in part by inducing NF-kappa-B transactivation. Since NFκB transactivation is negatively regulated by the Nicotinamide adenine dinucleotide (NAD)-dependent deacetylase enzyme Sirt1, we sought to assess if RAW264.7 macrophages exposed to P. gingivalis demonstrate impaired Sirt1 activity, to ultimately induce a pro-inflammatory response. METHODS RAW264.7 macrophages were incubated with heat- killed P. gingivalis for 2, 4, 8, and 24 h. Stimulated RAW264.7 were assessed for TNFα expression via PCR, ELISA, and ChIP analysis. Following the activation of RAW264.7 macrophages, immunoblot analysis was executed to detect modifications in Sirt1 and the NFκB subunit RelA that is essential for NFκB transcriptional activity. RESULTS TNFα expression was elevated 4 h after exposure to P. gingivalis. ChIP confirmed that RelA was enriched in the mouse TNFα promoter 4 h following stimulation, which correlated with the increased TNFα mRNA levels. Preceding TNFα expression, we detected Phosphoserine 536 and acetylated lysine 310 of RelA after 2 hours exposure with P. gingivalis. Moreover, reduced Sirt1 activity was associated with its cleavage in RAW264.7 protein extracts, after 2 hours of P. gingivalis exposure. Blocking TLR2/4 signaling prevented Sirt1 cleavage, loss of deacetylase activity, and TNFα secretion, while co-administering CA074Me (a cathepsin B inhibitor) with P. gingivalis reduced RelA promoter enrichment, resulting in impaired TNFα expression. CONCLUSIONS Together, the results suggest that P. gingivalis induces TNFα expression, at least in part, by enhancing cleavage of Sirt1 via a TLR-dependent signaling circuit.
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Affiliation(s)
- Sai R K Meka
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Tahsin Younis
- Department of Prosthodontics, Faculty of Dental Medicine, Jerusalem, Israel
| | - Eli Reich
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Jinan Elayyan
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Ashok Kumar
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Emmanuelle Merquiol
- School of Pharmacy- Institute for Drug Research, Faculty of Medicine, The Hebrew University- Jerusalem, Jerusalem, Israel
| | - Galia Blum
- School of Pharmacy- Institute for Drug Research, Faculty of Medicine, The Hebrew University- Jerusalem, Jerusalem, Israel
| | - Shira Kalmus
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Yonathan H Maatuf
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - George Batshon
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Gabriel Nussbaum
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
| | - Yael Houri-Haddad
- Department of Prosthodontics, Faculty of Dental Medicine, Jerusalem, Israel
| | - Mona Dvir-Ginzberg
- Faculty of Dental Medicine, Institute of Dental Sciences, Jerusalem, Israel
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22
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Gaspar LS, Sousa C, Álvaro AR, Cavadas C, Mendes AF. Common risk factors and therapeutic targets in obstructive sleep apnea and osteoarthritis: An unexpectable link? Pharmacol Res 2020; 164:105369. [PMID: 33352231 DOI: 10.1016/j.phrs.2020.105369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 11/11/2020] [Accepted: 12/09/2020] [Indexed: 10/22/2022]
Abstract
Osteoarthritis (OA) and Obstructive Sleep Apnea (OSA) are two highly prevalent chronic diseases for which effective therapies are urgently needed. Recent epidemiologic studies, although scarce, suggest that the concomitant occurrence of OA and OSA is associated with more severe manifestations of both diseases. Moreover, OA and OSA share risk factors, such as aging and metabolic disturbances, and co-morbidities, including cardiovascular and metabolic diseases, sleep deprivation and depression. Whether this coincidental occurrence is fortuitous or involves cause-effect relationships is unknown. This review aims at collating and integrating present knowledge on both diseases by providing a brief overview of their epidemiology and pathophysiology, analyzing current evidences relating OA and OSA and discussing potential common mechanisms by which they can aggravate each other. Such mechanisms constitute potential therapeutic targets whose pharmacological modulation may provide more efficient ways of reducing the consequences of OA and OSA and, thus, lessen the huge individual and social burden that they impose.
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Affiliation(s)
- Laetitia S Gaspar
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Cátia Sousa
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Ana Rita Álvaro
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Cláudia Cavadas
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
| | - Alexandrina Ferreira Mendes
- Centre for Neuroscience and Cell Biology (CNC), University of Coimbra, Coimbra, Portugal; Centre for Innovation in Biomedicine and Biotechnology (CIBB), University of Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
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23
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Batshon G, Elayyan J, Qiq O, Reich E, Ben-Aderet L, Kandel L, Haze A, Steinmeyer J, Lefebvre V, Zhang H, Elisseeff J, Henrotin Y, Mobasheri A, Dvir-Ginzberg M. Serum NT/CT SIRT1 ratio reflects early osteoarthritis and chondrosenescence. Ann Rheum Dis 2020; 79:1370-1380. [PMID: 32665267 PMCID: PMC7509530 DOI: 10.1136/annrheumdis-2020-217072] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 05/11/2020] [Accepted: 06/08/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Previous work has established that the deacetylase sirtuin-1 (SIRT1) is cleaved by cathepsin B in chondrocytes subjected to proinflammatory stress, yielding a stable but inactive N-terminal (NT) polypeptide (75SIRT1) and a C-terminal (CT) fragment. The present work examined if chondrocyte-derived NT-SIRT1 is detected in serum and may serve as an investigative and exploratory biomarker of osteoarthritis (OA). METHODS We developed a novel ELISA assay to measure the ratio of NT to CT of SIRT1 in the serum of human individuals and mice subjected to post-traumatic OA (PTOA) or age-dependent OA (ADOA). We additionally monitored NT/CT SIRT1 in mice subject to ADOA/PTOA followed by senolytic clearance. Human chondrosenescent and non-senescent chondrocytes were exposed to cytokines and analysed for apoptosis and NT/CT SIRT1 ratio in conditioned medium. RESULTS Wild-type mice with PTOA or ADOA of moderate severity exhibited increased serum NT/CT SIRT1 ratio. In contrast, this ratio remained low in cartilage-specific Sirt1 knockout mice despite similar or increased PTOA and ADOA severity. Local clearance of senescent chondrocytes from old mice with post-traumatic injury resulted in a lower NT/CT ratio and reduced OA severity. While primary chondrocytes exhibited NT/CT ratio increased in conditioned media after prolonged cytokine stimulation, this increase was not evident in cytokine-stimulated chondrosenescent cells. Finally, serum NT/CT ratio was elevated in humans with early-stage OA. CONCLUSIONS Increased levels of serum NT/CT SIRT1 ratio correlated with moderate OA in both mice and humans, stemming at least in part from non-senescent chondrocyte apoptosis, possibly a result of prolonged inflammatory insult.
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Affiliation(s)
- George Batshon
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jinan Elayyan
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Omar Qiq
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eli Reich
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Louisa Ben-Aderet
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Leonid Kandel
- Joint Replacement and Reconstructive Surgery Unit, Orthopaedic Surgery Complex, Hadassah Mount Scopus Hospital, Jerusalem, Israel
| | - Amir Haze
- Joint Replacement and Reconstructive Surgery Unit, Orthopaedic Surgery Complex, Hadassah Mount Scopus Hospital, Jerusalem, Israel
| | - Jürgen Steinmeyer
- Laboratory for Experimental Orthopaedics, Dept. of Orthopaedics, Justus Liebig University Giessen, Gießen, Germany
| | - Veronique Lefebvre
- Developmental Biology Research Affinity Group, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Hong Zhang
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Jennifer Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropole Liège, Institute of Pathology, University of Liège, Liege, Belgium
| | - Ali Mobasheri
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Mona Dvir-Ginzberg
- Institute of Dental Sciences, Hebrew University of Jerusalem, Jerusalem, Israel
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24
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Bai J, Zhang Y, Zheng X, Huang M, Cheng W, Shan H, Gao X, Zhang M, Sheng L, Dai J, Deng Y, Zhang H, Zhou X. LncRNA MM2P-induced, exosome-mediated transfer of Sox9 from monocyte-derived cells modulates primary chondrocytes. Cell Death Dis 2020; 11:763. [PMID: 32938906 PMCID: PMC7494881 DOI: 10.1038/s41419-020-02945-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 08/20/2020] [Accepted: 08/27/2020] [Indexed: 01/05/2023]
Abstract
Monocyte-derived cells were shown to promote cartilage repair in osteoarthritis. The role of the long non-coding RNA (lncRNA) MM2P in this function of monocyte-derived cells remained unexplored. Treatment of RAW264.7 murine macrophages and mouse bone marrow-derived macrophages with IL-4 or IL-13 upregulated MM2P expression, upstream of STAT3 and STAT6 phosphorylation. Specifically, MM2P blocked SHP2-mediated dephosphorylation of STAT3 at Try705 and interacted with the RNA-binding protein FUS. In turn, p-STAT3 increased the Sox9 gene expression. These cells released Sox9 mRNA and protein-containing exosomes, as demonstrated by a transmission electron microscope, nanoparticle tracking analysis, and detection of typical surface markers. Their culture supernatant promoted the differentiation of mouse primary chondrocytes, i.e., upregulated the expression of Col1a2 and Acan genes and promoted the secretion of extracellular matrix components proteoglycan and type II collagen. These effects were mediated by Sox9 mRNA and protein delivered to chondrocytes by exosomes. Together, ex vivo treatment of monocyte-derived cells with IL-4 or IL-13 promoted chondrocyte differentiation and functions through exosome-mediated delivery of Sox9 mRNA and protein.
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Affiliation(s)
- Jinyu Bai
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Yingzi Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Xin Zheng
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Man Huang
- Department of Hematology, Suzhou Dushuhu Public Hospital (Dushuhu Public Hospital Affiliated to Soochow University, The First Affiliated Hospital of Soochow University, Dushuhu Branch, Suzhou, Jiangsu, 215000, China
| | - Weinan Cheng
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Huajian Shan
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Xiang Gao
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Mingchao Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Lei Sheng
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Jun Dai
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Yekun Deng
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Hong Zhang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China.
| | - Xiaozhong Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China.
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25
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Anti-inflammatory capacity of Apremilast in human chondrocytes is dependent on SOX-9. Inflamm Res 2020; 69:1123-1132. [DOI: 10.1007/s00011-020-01392-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/28/2020] [Accepted: 08/08/2020] [Indexed: 12/12/2022] Open
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26
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Feng D, Kang X, Wang R, Chen H, Zhang K, Feng W, Li H, Zhu Y, Wu S. Progranulin modulates cartilage-specific gene expression via sirtuin 1-mediated deacetylation of the transcription factors SOX9 and P65. J Biol Chem 2020; 295:13640-13650. [PMID: 32747445 DOI: 10.1074/jbc.ra119.011164] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 07/26/2020] [Indexed: 01/09/2023] Open
Abstract
Progranulin (PGRN) is an autocrine growth factor that exerts crucial roles within cartilage tissue; however, the molecular mechanisms underlying PGRN-mediated cartilage homeostasis remain elusive. In the present study, we investigated the role of PGRN in regulating chondrocyte homeostasis and its therapeutic potential for managing osteoarthritis (OA). We found that PGRN levels are significantly increased in human cartilage in mild OA and that its expression is decreased in the cartilage in severe OA. In vitro, treatment of primary rat chondrocytes with recombinant PGRN significantly enhanced the levels of collagen type II α 1 chain (COL2A1) and aggrecan, and attenuated TNFα-induced up-regulation of matrix metallopeptidase 13 (MMP13) and ADAM metallopeptidase with thrombospondin type 1 motif 5 (ADAMTS5) in chondrocytes. These effects were abrogated in SIRT1-/- cells, indicating a causative role of SIRT1 in the effects of PGRN on protein expression in chondrocytes. Mechanistically, PGRN increased SIRT1 expression and activity, which reduced the acetylation levels of SRY-box transcription factor (SOX9) and transcription factor P65 (P65) and thereby promoted nuclear translocation of SOX9 and inhibited TNFα-induced P65 nuclear accumulation to maintain chondrocyte homeostasis. In conclusion, our findings reveal a mechanism of action for PGRN that maintains cartilage homeostasis and supports the notion that PGRN up-regulation may be a promising strategy for managing OA.
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Affiliation(s)
- Dongxu Feng
- Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China; Department of Orthopaedic Trauma, Hong Hui Hospital, Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, China
| | - Xiaomin Kang
- Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ruiqi Wang
- Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - He Chen
- Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Kun Zhang
- Department of Orthopaedic Trauma, Hong Hui Hospital, Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, China
| | - Weilou Feng
- Department of Orthopaedic Trauma, Hong Hui Hospital, Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, China
| | - Huixia Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Yangjun Zhu
- Department of Orthopaedic Trauma, Hong Hui Hospital, Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, China.
| | - Shufang Wu
- Center for Translational Medicine, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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27
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Sacitharan PK, Bou-Gharios G, Edwards JR. SIRT1 directly activates autophagy in human chondrocytes. Cell Death Discov 2020; 6:41. [PMID: 32528730 PMCID: PMC7260231 DOI: 10.1038/s41420-020-0277-0] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/04/2020] [Accepted: 05/12/2020] [Indexed: 12/22/2022] Open
Abstract
Osteoarthritis (OA) is the most common form of arthritis worldwide with no effective treatment. Ageing is the primary risk factor for OA. We sought to investigate if there is a distinct and functional convergence of ageing-related mechanisms SIRT1 and autophagy in chondrocytes. Our results show that, levels of SIRT1 are decreased in human normal aged and OA cartilage compared with young cartilage. Moreover, silencing SIRT1 in chondrocytes lead to decreased expression of chondrogenic markers but did not alter the expression of catabolic proteases. In contrast, activation of SIRT1 increased autophagy in chondrocytes by the deacetylation of lysine residues on crucial autophagy proteins (Beclin1, ATG5, ATG7, LC3). This activation was shown to be mTOR/ULK1 independent. Our results indicate that maintenance of autophagy in chondrocytes by SIRT1 is essential for preserving cartilage integrity throughout life and therefore is a target for drug intervention to protect against OA.
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Affiliation(s)
- Pradeep K. Sacitharan
- Botnar Research Centre, University of Oxford, Oxford, OX3 7LD UK
- The Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, L7 8TX UK
| | - George Bou-Gharios
- The Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, L7 8TX UK
| | - James R. Edwards
- The Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, L7 8TX UK
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Song H, Park KH. Regulation and function of SOX9 during cartilage development and regeneration. Semin Cancer Biol 2020; 67:12-23. [PMID: 32380234 DOI: 10.1016/j.semcancer.2020.04.008] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 09/23/2019] [Accepted: 04/26/2020] [Indexed: 12/21/2022]
Abstract
Chondrogenesis is a highly coordinated event in embryo development, adult homeostasis, and repair of the vertebrate cartilage. Fate decisions and differentiation of chondrocytes accompany differential expression of genes critical for each step of chondrogenesis. SOX9 is a master transcription factor that participates in sequential events in chondrogenesis by regulating a series of downstream factors in a stage-specific manner. SOX9 either works alone or in combination with downstream SOX transcription factors, SOX5 and SOX6 as chondrogenic SOX Trio. SOX9 is reduced in the articular cartilage of patients with osteoarthritis while highly maintained during tumorigenesis of cartilage and bone. Gene therapy using viral and non-viral vectors accompanied by tissue engineering (scaffolds) is a promising tool to regenerate impaired cartilage. Delivery of SOX9 or chondrogenic SOX Trio into cells produces efficient therapeutic effects on chondrogenesis and this event is facilitated by scaffolds. Non-viral vector-guided delivery systems encapsulated or loaded in mechanically stable solid scaffolds are useful for the regeneration of articular cartilage. Here we review major milestones and most recent studies focusing on regulation and function of chondrogenic SOX Trio, during chondrogenesis and cartilage regeneration, and on the development of advanced technologies in gene delivery with tissue engineering to improve efficiency of cartilage repair process.
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Affiliation(s)
- Haengseok Song
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Keun-Hong Park
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea.
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Walsh SK, Schneider SE, Amundson LA, Neu CP, Henak CR. Maturity-dependent cartilage cell plasticity and sensitivity to external perturbation. J Mech Behav Biomed Mater 2020; 106:103732. [PMID: 32321631 DOI: 10.1016/j.jmbbm.2020.103732] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 03/04/2020] [Accepted: 03/13/2020] [Indexed: 01/12/2023]
Abstract
OBJECTIVE Articular cartilage undergoes biological and morphological changes throughout maturation. The prevalence of osteoarthritis in the aged population suggests that maturation predisposes cartilage to degradation and/or impaired regeneration, but this process is not fully understood. Therefore, the objective of this study was to characterize the cellular and genetic profile of cartilage, as well as biological plasticity in response to mechanical and culture time stimuli, as a function of animal maturity. METHODS/DESIGN Porcine articular cartilage explants were harvested from stifle joints of immature (2-4 weeks), adolescent (5-6 months), and mature (1-5 years) animals. Half of all samples were subjected to a single compressive mechanical load. Loaded samples were paired with unloaded controls for downstream analyses. Expression of cartilage progenitor cell markers CD105, CD44, and CD29 were determined via flow cytometry. Expression of matrix synthesis genes Col1, Col2, Col10, ACAN, and SOX9 were determined via qPCR. Tissue morphology and matrix content were examined histologically. Post-loading assays were performed immediately and following 7 days in culture. RESULTS CD105 and CD29 expression decreased with maturity, while CD44 expression was upregulated in cartilage from mature animals. Expression of matrix synthesis genes were generally upregulated in cartilage from mature animals, and adolescent animals showed the lowest expression of several matrix synthesizing genes. Culture time and mechanical loading analyses revealed greater plasticity to mechanical loading and culture time in cartilage from younger animals. Histology confirmed distinct structural and biochemical profiles across maturity. CONCLUSION This study demonstrates differential, nonlinear expression of chondroprogenitor markers and matrix synthesis genes as a function of cartilage maturity, as well as loss of biological plasticity in aged tissue. These findings have likely implications for age-related loss of regeneration and osteoarthritis progression.
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Affiliation(s)
- Shannon K Walsh
- Comparative Biomedical Sciences Program, University of Wisconsin-Madison, Madison, WI, USA.
| | - Stephanie E Schneider
- Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO, USA.
| | - Laura A Amundson
- Department of Animal Sciences, University of Wisconsin-Madison, Madison, WI, USA.
| | - Corey P Neu
- Department of Mechanical Engineering, University of Colorado Boulder, Boulder, CO, USA.
| | - Corinne R Henak
- Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI, USA; Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA; Department of Orthopedics and Rehabilitation, University of Wisconsin-Madison, Madison, WI, USA.
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30
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Wang L, Cai R, Liu F, Lv Y, Zhang Y, Duan S, Izaz A, Zhou J, Wang H, Duan R, Wu X, Li T. Molecular cloning, characterization, mRNA expression changes and nucleocytoplasmic shuttling during kidney embryonic development of SOX9 in Alligator sinensis. Gene 2020; 731:144334. [PMID: 31935508 DOI: 10.1016/j.gene.2020.144334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/29/2019] [Accepted: 01/06/2020] [Indexed: 10/25/2022]
Abstract
SOX9 plays a crucial, extensive and conservative role in the process of somatic tissue development and adult regeneration through the positive self-regulation mediated by SOM across all vertebrates. In this study, we have cloned SOX9 from the kidney of hatchling Alligator sinensis. The full-length of SOX9 cDNA is 3878 bp with an open reading frame encoding 494 amino acids. Amino acid alignment analyses indicated that the SOX9 exhibit highly conserved functional domains. Using the droplet digital PCR, the mRNA abundances of SOX9 during nephrogenesis in A. sinensis showed prominent changes in the embryonic development, suggesting that SOX9 might combines a vital role in the regulation of complex renal development. Interestingly, we detected the nucleocytoplasmic shuttling of SOX9 protein using immunofluorescence, implying that nucleocytoplasmic shuttling is critical to the regulation of SOX9 in the renal embryonic development. Collectively, these data provide an important foundation for further studies on renal developmental biology and molecular biology of non-mammalian SOX9. Furthermore, it provides new insights into the phenomenon of SOX9 nucleocytoplasmic shuttling in Alligator sinensis, which is probably of great significance to the development of kidney metanephros embryo.
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Affiliation(s)
- Lin Wang
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Ruiqing Cai
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Fengnan Liu
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Yang Lv
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Ying Zhang
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Shulong Duan
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Ali Izaz
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Jue Zhou
- Wannan Medical College, Wuhu, Anhui 241002, China
| | - Hui Wang
- Wannan Medical College, Wuhu, Anhui 241002, China
| | - Renjie Duan
- Wannan Medical College, Wuhu, Anhui 241002, China
| | - Xiaobing Wu
- Key Laboratory for Conservation and Use of Important Biological Resources of Anhui Province, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China.
| | - Tiechen Li
- Wannan Medical College, Wuhu, Anhui 241002, China
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Yan J, Chen X, Pu C, Zhao Y, Liu X, Liu T, Pan G, Lin J, Pei M, Yang H, He F. Synovium stem cell-derived matrix enhances anti-inflammatory properties of rabbit articular chondrocytes via the SIRT1 pathway. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110286. [PMID: 31753397 PMCID: PMC9805357 DOI: 10.1016/j.msec.2019.110286] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 09/13/2019] [Accepted: 10/05/2019] [Indexed: 01/03/2023]
Abstract
Autologous chondrocyte implantation (ACI) is a promising approach to repair cartilage defects; however, the cartilage trauma-induced inflammatory environment compromises its clinical outcomes. Cell-derived decellularized extracellular matrix (DECM) has been used as a culture substrate for mesenchymal stem cells (MSCs) to improve the cell proliferation and lineage-specific differentiation. In this study, DECM deposited by synovium-derived MSCs was used as an in vitro expansion system for rabbit articular chondrocytes and the response of DECM-expanded chondrocytes to pro-inflammatory cytokines such as interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) was evaluated. Compared with those grown on tissue culture polystyrene (TCPS), the proliferation rate was significantly improved in DECM-expanded chondrocytes. TCPS- and DECM-expanded chondrocytes were isolated and induced to redifferentiation in a high-density pellet culture. DECM-expanded chondrocytes exerted a stronger resistance to 1 ng/mL of IL-1β than TCPS-expanded cells, but the production of cartilage matrix in both groups was inhibited by 5 ng/mL of IL-1β. When exposed to 1 or 5 ng/mL of TNF-α, DECM-expanded chondrocytes showed higher levels of cartilage matrix synthesis than TCPS-expanded cells. In addition, the gene expression of IL-1β- or TNF-α-induced matrix degrading enzymes (MMP3, MMP9, MMP13, and ADAMTS5) was significantly lower in DECM-expanded chondrocytes than TCPS-expanded cells. Furthermore, we found that SIRT1 inhibition by nicotinamide completely counteracted the protective effect of DECM on chondrocytes in the presence of IL-1β or TNF-α, indicating that the SIRT1 signaling pathway was involved in the DECM-mediated enhancement of anti-inflammatory properties of chondrocytes. Taken together, this work suggests that stem cell-derived DECM is a superior culture substrate for in vitro chondrocyte expansion by improving proliferation and enhancing the anti-inflammatory properties of chondrocytes. DECM-expanded chondrocytes with enhanced anti-inflammatory properties hold great potential in clinically ACI-based cartilage repair.
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Affiliation(s)
- Jinku Yan
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China,Clinical Sample Bank, Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - Xi Chen
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China
| | - Chengbo Pu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China
| | - Yilang Zhao
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China
| | - Xiaozhen Liu
- Clinical Sample Bank, Zhejiang Cancer Hospital, Hangzhou 310022, China
| | - Tao Liu
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Corresponding Authors: Tao Liu, M.D., Ph.D., Department of Orthopaedics, The First Affiliated Hospital of Soochow University, No. 188 Shizi Street, Suzhou 215006, Jiangsu, China. Telephone: +86-512-67781420; Fax: +86-512-67781165;
| | - Guoqing Pan
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jun Lin
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics and Division of Exercise Physiology, West Virginia University, Morgantown, WV 26506, USA
| | - Huilin Yang
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China
| | - Fan He
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China,Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China,Fan He, Ph.D., Orthopaedic Institute, Soochow University, No.708 Renmin Road, Suzhou 215007, Jiangsu, China. Telephone: +86-512-67781420; Fax: +86-512-67781165;
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Jin X, Kang X, Zhao L, Xu M, Xie T, Li H, Li F, Qian Z, Ma Z, Zhang Y, Yang W, Zhang Z, Gao X, Chen Q, Sun H, Wu S. Cartilage Ablation of Sirt1 Causes Inhibition of Growth Plate Chondrogenesis by Hyperactivation of mTORC1 Signaling. Endocrinology 2019; 160:3001-3017. [PMID: 31599935 DOI: 10.1210/en.2019-00427] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 10/04/2019] [Indexed: 01/04/2023]
Abstract
A growing body of evidence implies a pivotal role of sirtuin-1 (Sirt1) in chondrocyte function and homeostasis; however, its underlying mechanisms mediating chondrogenesis, which is an essential process for physiological skeletal growth, are still poorly understood. In the current study, we generated TamCartSirt1-/- [Sirt1 conditional knockout (cKO)] mice to explore the role of Sirt1 during postnatal endochondral ossification. Compared with control mice, cKO mice exhibited growth retardation associated with inhibited chondrocyte proliferation and hypertrophy, as well as activated apoptosis. These effects were regulated by hyperactivation of mammalian target of rapamycin complex 1 (mTORC1) signaling, and thereby inhibition of autophagy and induction of endoplasmic reticulum stress in growth plate chondrocytes. IP injection of the mTORC1 inhibitor rapamycin to mice with Sirt1 deletion partially neutralized such inhibitory effects of Sirt1 ablation on longitudinal bone growth, indicating the causative link between SIRT1 and mTORC1 signaling in the growth plate. Mechanistically, SIRT1 interacted with tuberous sclerosis complex 2 (TSC2), a key upstream negative regulator of mTORC1 signaling, and loss of Sirt1 inhibited TSC2 expression, resulting in hyperactivated mTORC1 signaling in chondrocytes. In conclusion, our findings suggest that loss of Sirt1 may trigger mTORC1 signaling in growth plate chondrocytes and contributes to growth retardation, thus indicating that SIRT1 is an important regulator during chondrogenesis and providing new insights into the clinical potential of SIRT1 in bone development.
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Affiliation(s)
- Xinxin Jin
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Xiaomin Kang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Liting Zhao
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Mao Xu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Tianping Xie
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Huixia Li
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Fang Li
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Zhuang Qian
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Zhengmin Ma
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Ying Zhang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Wei Yang
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
| | - Zhuanmin Zhang
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Xin Gao
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Qian Chen
- Department of Orthopaedics, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, Rhode Island
- Bone and Joint Research Center, The First Affiliated Hospital of Medical School, Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hongzhi Sun
- Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China
| | - Shufang Wu
- Center for Translational Medicine, The First Affiliated Hospital of Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi, People's Republic of China
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HDAC5-mediated deacetylation and nuclear localisation of SOX9 is critical for tamoxifen resistance in breast cancer. Br J Cancer 2019; 121:1039-1049. [PMID: 31690832 PMCID: PMC6964674 DOI: 10.1038/s41416-019-0625-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 09/25/2019] [Accepted: 10/17/2019] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Tamoxifen resistance remains a significant clinical challenge for the therapy of ER-positive breast cancer. It has been reported that the upregulation of transcription factor SOX9 in ER+ recurrent cancer is sufficient for tamoxifen resistance. However, the mechanisms underlying the regulation of SOX9 remain largely unknown. METHODS The acetylation level of SOX9 was detected by immunoprecipitation and western blotting. The expressions of HDACs and SIRTs were evaluated by qRT-PCR. Cell growth was measured by performing MTT assay. ALDH-positive breast cancer stem cells were evaluated by flow cytometry. Interaction between HDAC5 and SOX9 was determined by immunoprecipitation assay. RESULTS Deacetylation is required for SOX9 nuclear translocation in tamoxifen-resistant breast cancer cells. Furthermore, HDAC5 is the key deacetylase responsible for SOX9 deacetylation and subsequent nuclear translocation. In addition, the transcription factor C-MYC directly promotes the expression of HDAC5 in tamoxifen resistant breast cancer cells. For clinical relevance, high SOX9 and HDAC5 expression are associated with lower survival rates in breast cancer patients treated with tamoxifen. CONCLUSIONS This study reveals that HDAC5 regulated by C-MYC is essential for SOX9 deacetylation and nuclear localisation, which is critical for tamoxifen resistance. These results indicate a potential therapy strategy for ER+ breast cancer by targeting C-MYC/HDAC5/SOX9 axis.
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SOX9 in cartilage development and disease. Curr Opin Cell Biol 2019; 61:39-47. [PMID: 31382142 DOI: 10.1016/j.ceb.2019.07.008] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Accepted: 07/06/2019] [Indexed: 12/18/2022]
Abstract
SOX9 is a pivotal transcription factor in chondrocytes, a lineage essential in skeletogenesis. Its mandatory role in transactivating many cartilage-specific genes is well established, whereas its pioneer role in lineage specification, which along with transactivation defines master transcription factors, remains to be better defined. Abundant, but yet incomplete evidence exists that intricate molecular networks control SOX9 activity during the multi-step chondrogenesis pathway. They include a highly modular genetic regulation, post-transcriptional and post-translational modifications, and varying sets of functional partners. Fully uncovering SOX9 actions and regulation is fundamental to explain mechanisms underlying many diseases that directly or indirectly affect SOX9 activities and to design effective disease treatments. We here review current knowledge, highlight recent discoveries, and propose new research directions to answer remaining questions.
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Li YY, Lam KL, Chen AD, Zhang W, Chan BP. Collagen microencapsulation recapitulates mesenchymal condensation and potentiates chondrogenesis of human mesenchymal stem cells – A matrix-driven in vitro model of early skeletogenesis. Biomaterials 2019; 213:119210. [DOI: 10.1016/j.biomaterials.2019.05.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 04/28/2019] [Accepted: 05/10/2019] [Indexed: 01/01/2023]
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Guo H, Du X, Zhang Y, Wu J, Wang C, Li M, Hua X, Zhang XA, Yan J. Specific miRNA-G Protein-Coupled Receptor Networks Regulate Sox9a/Sox9b Activities to Promote Gonadal Rejuvenation in Zebrafish. Stem Cells 2019; 37:1189-1199. [DOI: 10.1002/stem.3040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/17/2019] [Accepted: 05/04/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Huiping Guo
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Xinlu Du
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Ying Zhang
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Jiacheng Wu
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Chenghui Wang
- Department of Aquaculture; Shanghai Ocean University; Lingang New City, Shanghai People's Republic of China
| | - Mingyou Li
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources; Ministry of Education; Shanghai People's Republic of China
| | - Xianxin Hua
- Department of Cancer Biology; University of Pennsylvania Perelman School of Medicine; Philadelphia, Pennsylvania USA
| | - Xin A. Zhang
- Stephenson Cancer Center and Department of Physiology; The University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma USA
| | - Jizhou Yan
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources; Ministry of Education; Shanghai People's Republic of China
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The role of sirtuin 1 and its activator, resveratrol in osteoarthritis. Biosci Rep 2019; 39:BSR20190189. [PMID: 30996115 PMCID: PMC6509056 DOI: 10.1042/bsr20190189] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 04/05/2019] [Accepted: 04/15/2019] [Indexed: 12/19/2022] Open
Abstract
Osteoarthitis (OA) is the most common aging-related joint pathology; the aging process results in changes to joint tissues that ultimately contribute to the development of OA. Articular chondrocytes exhibit an aging-related decline in their proliferative and synthetic capacity. Sirtuin 1 (SIRT 1), a longevity gene related to many diseases associated with aging, is a nicotinamide adenine dinucleotide (NAD+)-dependent protein deacetylase and master metabolic regulator. Along with its natural activator resveratrol, SIRT 1 actively participates in the OA pathological progress. SIRT 1 expression in osteoarthritic cartilage decreases in the disease progression of OA; it appears to play a predominantly regulatory role in OA. SIRT 1 can regulate the expression of extracellular matrix (ECM)-related proteins; promote mesenchymal stem cell differentiation; play anti-catabolic, anti-inflammatory, anti-oxidative stress, and anti-apoptosis roles; participate in the autophagic process; and regulate bone homeostasis in OA. Resveratrol can activate SIRT 1 in order to inhibit OA disease progression. In the future, activating SIRT 1 via resveratrol with improved bioavailability may be an appropriate therapeutic approach for OA.
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Asad Z, Sachidanandan C. Chemical screens in a zebrafish model of CHARGE syndrome identifies small molecules that ameliorate disease-like phenotypes in embryo. Eur J Med Genet 2019; 63:103661. [PMID: 31051269 DOI: 10.1016/j.ejmg.2019.04.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 04/09/2019] [Accepted: 04/28/2019] [Indexed: 01/03/2023]
Abstract
CHARGE syndrome is an autosomal dominant congenital disorder caused primarily by mutations in the CHD7 gene. Using a small molecule screen in a zebrafish model of CHARGE syndrome, we identified 4 compounds that rescue embryos from disease-like phenotypes. Our screen yielded DAPT, a Notch signaling inhibitor that could ameliorate the craniofacial, cranial neuronal and myelination defects in chd7 morphant zebrafish embryos. We discovered that Procainamide, an inhibitor of DNA methyltransferase 1, was able to recover the pattern of expression of isl2a, a cranial neuronal marker while also reducing the effect on craniofacial cartilage and myelination. M344, an inhibitor of Histone deacetylases had a strong recovery effect on craniofacial cartilage defects and could also modestly revert the myelination defects in zebrafish embryos. CHIC-35, a SIRT1 inhibitor partially restored the expression of isl2a in cranial neurons while causing a partial reversion of myelination and craniofacial cartilage defects. Our results suggest that a modular approach to phenotypic rescue in multi-organ syndromes might be a more successful approach to treat these disorders. Our findings also open up the possibility of using these compounds for other disorders with shared phenotypes.
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Affiliation(s)
- Zainab Asad
- CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB), New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Chetana Sachidanandan
- CSIR-Institute of Genomics and Integrative Biology (CSIR-IGIB), New Delhi, 110025, India; Academy of Scientific and Innovative Research (AcSIR), New Delhi, India.
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Epigenetic changes in mammalian gametes throughout their lifetime: the four seasons metaphor. Chromosoma 2019; 128:423-441. [DOI: 10.1007/s00412-019-00704-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 04/03/2019] [Accepted: 04/11/2019] [Indexed: 01/22/2023]
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Hong SH, You JS. SOX9 is controlled by the BRD4 inhibitor JQ1 via multiple regulation mechanisms. Biochem Biophys Res Commun 2019; 511:746-752. [PMID: 30833074 DOI: 10.1016/j.bbrc.2019.02.135] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 02/25/2019] [Indexed: 01/10/2023]
Abstract
SOX9 is a key transcription factor during cell differentiation, sex determination, and tumorigenesis. However, the detailed mechanisms of its targeting strategy remain elusive. To investigate possibilities of targeting SOX9 with epigenetic drugs and the precise underlying mechanisms, two human cancer cell lines were chosen as model systems, which showed high SOX9 expression and anti-tumorigenic effects upon loss of SOX9. Histone acetylation-related screening of a small panel of epigenetic drugs revealed that the bromodomain reader inhibitor JQ1 dramatically downregulated SOX9 through multiple regulation steps, namely, transcription, BRD4-SOX9 protein-protein interaction, and further protein stability. These findings suggest that BRD4 inhibition is a novel therapeutic strategy for diseases characterized by SOX9 overexpression.
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Affiliation(s)
- Seong Hwi Hong
- Department of Biochemistry, School of Medicine, Konkuk University, Seoul, 05029, South Korea
| | - Jueng Soo You
- Department of Biochemistry, School of Medicine, Konkuk University, Seoul, 05029, South Korea; Research Institute of Medical Science, Konkuk University School of Medicine, South Korea.
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Abstract
The sirtuin family of NAD+-dependent protein deacetylases promotes longevity and counteracts age-related diseases. One of the major targets of Sirtuins are the FoxO family of transcription factors. FoxOs play a major role in the adaptation of cells to a variety of stressors such as oxidative stress and growth factor deprivation. Studies with murine models of cell-specific loss- or gain-of-function of Sirtuins or FoxOs and with Sirtuin1 stimulators have provided novel insights into the function and signaling of these proteins on the skeleton. These studies have revealed that both Sirtuins and FoxOs acting directly in cartilage and bone cells are critical for normal skeletal development, homeostasis and that their dysregulation might contribute to skeletal disease. Deacetylation of FoxOs by Sirt1 in osteoblasts and osteoclasts stimulates bone formation and inhibits bone resorption, making Sirt1 ligands promising therapeutic agents for diseases of low bone mass. While a similar link has not been established in chondrocytes, Sirt1 and FoxOs both have chondroprotective actions, suggesting that Sirt1 activators may have similar efficacy in preventing cartilage degeneration due to aging or injury. In this review we summarize these advances and discuss their implications for the pathogenesis of age-related osteoporosis and osteoarthritis.
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Affiliation(s)
- Maria Almeida
- Department of Medicine, Center for Osteoporosis and Metabolic Bone Diseases, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Department of Orthopedics, University of Arkansas for Medical Sciences, Little Rock, AR, USA.
| | - Ryan M Porter
- Department of Medicine, Center for Osteoporosis and Metabolic Bone Diseases, University of Arkansas for Medical Sciences, Little Rock, AR, USA; Department of Orthopedics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Govindaraj K, Hendriks J, Lidke DS, Karperien M, Post JN. Changes in Fluorescence Recovery After Photobleaching (FRAP) as an indicator of SOX9 transcription factor activity. BIOCHIMICA ET BIOPHYSICA ACTA-GENE REGULATORY MECHANISMS 2019; 1862:107-117. [DOI: 10.1016/j.bbagrm.2018.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 10/19/2018] [Accepted: 11/05/2018] [Indexed: 11/24/2022]
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Sumita Y, Yamazaki M, Maruyama S, Abé T, Cheng J, Takagi R, Tanuma JI. Cytoplasmic expression of SOX9 as a poor prognostic factor for oral squamous cell carcinoma. Oncol Rep 2018; 40:2487-2496. [PMID: 30132562 PMCID: PMC6151877 DOI: 10.3892/or.2018.6665] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 08/07/2018] [Indexed: 12/22/2022] Open
Abstract
Transcription factor SRY-box 9 (SOX9) is a key regulator of chondrocyte differentiation and sex determination, and it is also involved in the progression of various types of human cancer. However, its putative association with oral squamous cell carcinoma (OSCC) remains elusive. The aim of the present study was to investigate the expression profiles of SOX9 in various oral epithelial lesions, including OSCC. We performed immunohistochemical analysis of SOX9 expression in surgical specimens of OSCC, which simultaneously exhibited different grades of epithelial lesions, and analyzed the correlation between SOX9 expression and several clinicopathological factors. Moreover, we performed immunofluorescent staining, western blot analysis and real-time reverse transcription-polymerase chain reaction to assess SOX9 expression in OSCC HSC-3 (a metastatic cell line) and HSC-4 (a non-metastatic cell line) cell lines. In surgical specimens, SOX9 expression was detected in the nuclei of proliferating cells in areas with epithelial dysplasia and carcinoma in situ, but not in areas with normal epithelia. Nuclear SOX9 expression was observed in most SCC cells. Notably, cytoplasmic SOX9 expression was confirmed only in some SCC cells; however, cytoplasmic SOX9 expression was significantly and positively correlated with poor clinical outcomes. Both protein and mRNA expression of SOX9 were significantly higher in the HSC-3 cell line than that in the HSC-4 line. Notably, however, only HSC-3 cells exhibited cytoplasmic localization of SOX9 expression. Our findings indicate that SOX9 may be involved in the tumorigenesis and progression of OSCC. Furthermore, its cytoplasmic expression represents a potential predictive biomarker for tumor aggressiveness and OSCC prognosis.
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Affiliation(s)
- Yoshimasa Sumita
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8514, Japan
| | - Manabu Yamazaki
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8514, Japan
| | - Satoshi Maruyama
- Oral Pathology Section, Department of Surgical Pathology, Niigata University Hospital, Niigata 951‑8520, Japan
| | - Tatsuya Abé
- Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8122, Japan
| | - Jun Cheng
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8514, Japan
| | - Ritsuo Takagi
- Division of Oral and Maxillofacial Surgery, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8514, Japan
| | - Jun-Ichi Tanuma
- Division of Oral Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata 951‑8514, Japan
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Chen LY, Lotz M, Terkeltaub R, Liu-Bryan R. Modulation of matrix metabolism by ATP-citrate lyase in articular chondrocytes. J Biol Chem 2018; 293:12259-12270. [PMID: 29929979 DOI: 10.1074/jbc.ra118.002261] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 06/04/2018] [Indexed: 02/04/2023] Open
Abstract
Certain dysregulated chondrocyte metabolic adaptive responses such as decreased activity of the master regulator of energy metabolism AMP-activated protein kinase (AMPK) promote osteoarthritis (OA). Metabolism intersects with epigenetic and transcriptional responses. Hence, we studied chondrocyte ATP-citrate lyase (ACLY), which generates acetyl-CoA from mitochondrial-derived citrate, and modulates acetylation of histones and transcription factors. We assessed ACLY in normal and OA human knee chondrocytes and cartilages by Western blotting and immunohistochemistry, and quantified acetyl-CoA fluorometrically. We examined histone and transcription factor lysine acetylation by Western blotting, and assessed histone H3K9 and H3K27 occupancy of iNOS, MMP3, and MMP13 promoters by chromatin immunoprecipitation (ChIP) and quantitative PCR (qPCR). We analyzed iNOS, MMP3, MMP13, aggrecan (ACAN), and Col2a1 gene expression by RT-qPCR. Glucose availability regulated ACLY expression and function, nucleocytosolic acetyl-CoA, and histone acetylation. Human knee OA chondrocytes exhibited increased ACLY activation (assessed by Ser-455 phosphorylation), associated with increased H3K9 and H3K27 acetylation. Inhibition of ACLY attenuated IL-1β-induced transcription of iNOS, MMP3, and MMP13 by suppressing acetylation of p65 NF-κB, H3K9, and H3K27, blunted release of NO, MMP3, and MMP13, and also reduced SOX9 acetylation that promoted SOX9 nuclear translocation, leading to increased aggrecan and Col2a1 mRNA expression. ACLY is a novel player involved in regulation of cartilage matrix metabolism. Increased ACLY activity in OA chondrocytes increased nucleocytosolic acetyl-CoA, leading to increased matrix catabolism via dysregulated histone and transcription factor acetylation. Pharmacologic ACLY inhibition in OA chondrocytes globally reverses these changes and stimulates matrix gene expression and AMPK activation, supporting translational investigation in OA.
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Affiliation(s)
- Liang-Yu Chen
- Veterans Affairs San Diego Healthcare System, San Diego, California 92161
| | - Martin Lotz
- The Scripps Research Institute, La Jolla, California 92037
| | - Robert Terkeltaub
- Veterans Affairs San Diego Healthcare System, San Diego, California 92161; Department of Medicine, University of California San Diego, La Jolla, California 92037
| | - Ru Liu-Bryan
- Veterans Affairs San Diego Healthcare System, San Diego, California 92161; Department of Medicine, University of California San Diego, La Jolla, California 92037.
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Nishida K, Matsushita T, Takayama K, Tanaka T, Miyaji N, Ibaraki K, Araki D, Kanzaki N, Matsumoto T, Kuroda R. Intraperitoneal injection of the SIRT1 activator SRT1720 attenuates the progression of experimental osteoarthritis in mice. Bone Joint Res 2018; 7:252-262. [PMID: 29922443 PMCID: PMC5987681 DOI: 10.1302/2046-3758.73.bjr-2017-0227.r1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objectives This study aimed to examine the effects of SRT1720, a potent SIRT1 activator, on osteoarthritis (OA) progression using an experimental OA model. Methods Osteoarthritis was surgically induced by destabilization of the medial meniscus in eight-week-old C57BL/6 male mice. SRT1720 was administered intraperitoneally twice a week after surgery. Osteoarthritis progression was evaluated histologically using the Osteoarthritis Research Society International (OARSI) score at four, eight, 12 and 16 weeks. The expression of SIRT1, matrix metalloproteinase 13 (MMP-13), a disintegrin and metalloproteinase with thrombospondin motifs-5 (ADAMTS-5), cleaved caspase-3, PARP p85, and acetylated nuclear factor (NF)-κB p65 in cartilage was examined by immunohistochemistry. Synovitis was also evaluated histologically. Primary mouse epiphyseal chondrocytes were treated with SRT1720 in the presence or absence of interleukin 1 beta (IL-1β), and gene expression changes were examined by real-time polymerase chain reaction (PCR). Results The OARSI score was significantly lower in mice treated with SRT1720 than in control mice at eight and 12 weeks associated with the decreased size of osteophytes at four and eight weeks. The delayed OA progression in the mice treated with SRT1720 was also associated with increased SIRT1-positive chondrocytes and decreased MMP-13-, ADAMTS-5-, cleaved caspase-3-, PARP p85-, and acetylated NF-κB p65-positive chondrocytes and decreased synovitis at four and eight weeks. SRT1720 treatment partially rescued the decreases in collagen type II alpha 1 (COL2A1) and aggrecan caused by IL-1β, while also reducing the induction of MMP-13 by IL-1β in vitro. Conclusion The intraperitoneal injection of SRT1720 attenuated experimental OA progression in mice, indicating that SRT1720 could be a new therapeutic approach for OA.Cite this article: K. Nishida, T. Matsushita, K. Takayama, T. Tanaka, N. Miyaji, K. Ibaraki, D. Araki, N. Kanzaki, T. Matsumoto, R. Kuroda. Intraperitoneal injection of the SIRT1 activator SRT1720 attenuates the progression of experimental osteoarthritis in mice. Bone Joint Res 2018;7:252-262. DOI: 10.1302/2046-3758.73.BJR-2017-0227.R1.
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Affiliation(s)
- K Nishida
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - K Takayama
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Tanaka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - N Miyaji
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - K Ibaraki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - D Araki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - N Kanzaki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - T Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
| | - R Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-Cho Chuo-ku, Kobe, Hyogo 6500017, Japan
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Korogi W, Yoshizawa T, Karim MF, Tanoue H, Yugami M, Sobuz SU, Hinoi E, Sato Y, Oike Y, Mizuta H, Yamagata K. SIRT7 is an important regulator of cartilage homeostasis and osteoarthritis development. Biochem Biophys Res Commun 2018; 496:S0006-291X(18)30144-X. [PMID: 29402405 DOI: 10.1016/j.bbrc.2018.01.129] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Accepted: 01/20/2018] [Indexed: 11/21/2022]
Abstract
Sirtuins (SIRT1-7) are NAD+-dependent deacetylase/deacylases that regulate a wide variety of biological functions. Although the roles of sirtuins in cartilage homeostasis and cartilage diseases have been well studied, there is no information on the contribution of SIRT7 to cartilage homeostasis and osteoarthritis (OA) pathologies. Here, we demonstrate that Sirt7 knockout mice are resistant to the development of aging-associated OA and forced exercise-induced OA. Attenuation of Sirt7 in the murine chondrogenic cell line ATDC5 increased the deposition of a glycosaminoglycan-rich extracellular matrix and the mRNA expression of extracellular matrix components such as Col2a1 and Acan. Mechanistically, we found that SIRT7 suppressed the transcriptional activity of SOX9, which is an important transcription factor in chondrocytes, and that the enzymatic activity of SIRT7 was required for its function. Our results indicate that SIRT7 is a novel important regulator of cartilage homeostasis and OA development.
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Affiliation(s)
- Wataru Korogi
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan; Department of Orthopaedic Surgery, Faculty of Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Tatsuya Yoshizawa
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.
| | - Md Fazlul Karim
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Hironori Tanoue
- Department of Molecular Genetics, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Masaki Yugami
- Department of Molecular Genetics, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Shihab U Sobuz
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Eiichi Hinoi
- Laboratory of Molecular Pharmacology, Division of Pharmaceutical Sciences, Kanazawa University Graduate School of Natural Science and Technology, Kanazawa, 920-1192, Japan
| | - Yoshifumi Sato
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Yuichi Oike
- Department of Molecular Genetics, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Hiroshi Mizuta
- Department of Orthopaedic Surgery, Faculty of Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Kazuya Yamagata
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
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Abstract
The past decade has witnessed many advances in the understanding of sirtuin biology and related regulatory circuits supporting the capacity of these proteins to serve as energy-sensing molecules that contribute to healthspan in various tissues, including articular cartilage. Hence, there has been a significant increase in new investigations that aim to elucidate the mechanisms of sirtuin function and their roles in cartilage biology, skeletal development, and pathologies such as osteoarthritis (OA), rheumatoid arthritis (RA), and intervertebral disc degeneration (IVD). The majority of the work carried out to date has focused on SIRT1, although SIRT6 has more recently become a focus of some investigations. In vivo work with transgenic mice has shown that Sirt1 and Sirt6 are essential for maintaining cartilage homeostasis and that the use of sirtuin-activating molecules such as resveratrol may have beneficial effects on cartilage anabolism. Current thinking is that SIRT1 exerts positive effects on cartilage by encouraging chondrocyte survival, especially under stress conditions, which may provide a mechanism supporting the use of sirtuin small-molecule activators (STACS) for future therapeutic interventions in OA and other degenerative pathologies of joints, especially those that involve articular cartilage.
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48
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Symon A, Harley V. SOX9: A genomic view of tissue specific expression and action. Int J Biochem Cell Biol 2017; 87:18-22. [DOI: 10.1016/j.biocel.2017.03.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 03/09/2017] [Accepted: 03/11/2017] [Indexed: 11/29/2022]
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Elayyan J, Lee E, Gabay O, Smith CA, Qiq O, Reich E, Mobasheri A, Henrotin Y, Kimber SJ, Dvir‐Ginzberg M. LEF1‐mediated MMP13 gene expression is repressed by SIRT1 in human chondrocytes. FASEB J 2017; 31:3116-3125. [DOI: 10.1096/fj.201601253r] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 03/20/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Jinan Elayyan
- Laboratory of Cartilage BiologyInstitute of Dental SciencesFaculty of Dental MedicineHebrew University of JerusalemJerusalem Israel
| | - Eun‐Jin Lee
- Department of Biomedical SciencesUniversity of Ulsan College of MedicineAsan Medical CenterSeoul South Korea
| | - Odile Gabay
- U.S. Food and Drug AdministrationCenter for Drug Evaluation and ResearchDivision of Biotechnology Review and Research ISilver Spring Maryland USA
| | - Christopher A. Smith
- Division of Cell Matrix Biology and Regenerative MedicineFaculty of BiologyMedicine and HealthThe University of ManchesterManchester United Kingdom
| | - Omar Qiq
- Laboratory of Cartilage BiologyInstitute of Dental SciencesFaculty of Dental MedicineHebrew University of JerusalemJerusalem Israel
| | - Eli Reich
- Laboratory of Cartilage BiologyInstitute of Dental SciencesFaculty of Dental MedicineHebrew University of JerusalemJerusalem Israel
| | - Ali Mobasheri
- Department of Veterinary Preclinical SciencesSchool of Veterinary MedicineFaculty of Health and Medical SciencesUniversity of SurreyGuildford United Kingdom
- Arthritis Research UK Centre for SportExercise and OsteoarthritisQueen's Medical CentreNottingham United Kingdom
| | - Yves Henrotin
- Bone and Cartilage Research UnitArthropôle LiègeUniversity of LiègeInstitute of PathologyLiège Belgium
| | - Susan J. Kimber
- Division of Cell Matrix Biology and Regenerative MedicineFaculty of BiologyMedicine and HealthThe University of ManchesterManchester United Kingdom
| | - Mona Dvir‐Ginzberg
- Laboratory of Cartilage BiologyInstitute of Dental SciencesFaculty of Dental MedicineHebrew University of JerusalemJerusalem Israel
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Abstract
SOX9 is a pivotal transcription factor in developing and adult cartilage. Its gene is expressed from the multipotent skeletal progenitor stage and is active throughout chondrocyte differentiation. While it is repressed in hypertrophic chondrocytes in cartilage growth plates, it remains expressed throughout life in permanent chondrocytes of healthy articular cartilage. SOX9 is required for chondrogenesis: it secures chondrocyte lineage commitment, promotes cell survival, and transcriptionally activates the genes for many cartilage-specific structural components and regulatory factors. Since heterozygous mutations within and around SOX9 were shown to cause the severe skeletal malformation syndrome called campomelic dysplasia, researchers around the world have worked assiduously to decipher the many facets of SOX9 actions and regulation in chondrogenesis. The more we learn, the more we realize the complexity of the molecular networks in which SOX9 fulfills its functions and is regulated at the levels of its gene, RNA, and protein, and the more we measure the many gaps remaining in knowledge. At the same time, new technologies keep giving us more means to push further the frontiers of knowledge. Research efforts must be pursued to fill these gaps and to better understand and treat many types of cartilage diseases in which SOX9 has or could have a critical role. These diseases include chondrodysplasias and cartilage degeneration diseases, namely osteoarthritis, a prevalent and still incurable joint disease. We here review the current state of knowledge of SOX9 actions and regulation in the chondrocyte lineage, and propose new directions for future fundamental and translational research projects.
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Affiliation(s)
- Véronique Lefebvre
- Department of Cellular & Molecular Medicine, Cleveland Clinic Lerner Research Institute, Cleveland, OH
| | - Mona Dvir-Ginzberg
- Institute of Dental Sciences, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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