1
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Schmidt S, Klampfleuthner FAM, Renkawitz T, Diederichs S. Cause and chondroprotective effects of prostaglandin E2 secretion during mesenchymal stromal cell chondrogenesis. Eur J Cell Biol 2024; 103:151412. [PMID: 38608422 DOI: 10.1016/j.ejcb.2024.151412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Mesenchymal stromal cells (MSCs) that are promising for cartilage tissue engineering secrete high amounts of prostaglandin E2 (PGE2), an immunoactive mediator involved in endochondral bone development. This study aimed to identify drivers of PGE2 and its role in the inadvertent MSC misdifferentiation into hypertrophic chondrocytes. PGE2 release, which rose in the first three weeks of MSC chondrogenesis, was jointly stimulated by endogenous BMP, WNT, and hedgehog activity that supported the exogenous stimulation by TGF-β1 and insulin to overcome the PGE2 inhibition by dexamethasone. Experiments with PGE2 treatment or the inhibitor celecoxib or specific receptor antagonists demonstrated that PGE2, although driven by prohypertrophic signals, exerted broad autocrine antihypertrophic effects. This chondroprotective effect makes PGE2 not only a promising option for future combinatorial approaches to direct MSC tissue engineering approaches into chondral instead of endochondral development but could potentially have implications for the use of COX-2-selective inhibitors in osteoarthritis pain management.
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Affiliation(s)
- Sven Schmidt
- Experimental Orthopaedics, Research Centre for Molecular and Regenerative Orthopaedics, Department of Orthopaedics, Heidelberg, Germany
| | - Felicia A M Klampfleuthner
- Experimental Orthopaedics, Research Centre for Molecular and Regenerative Orthopaedics, Department of Orthopaedics, Heidelberg, Germany
| | - Tobias Renkawitz
- Research Centre for Molecular and Regenerative Orthopaedics, Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany
| | - Solvig Diederichs
- Experimental Orthopaedics, Research Centre for Molecular and Regenerative Orthopaedics, Department of Orthopaedics, Heidelberg, Germany.
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2
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Yang S, Xie J, Pan Z, Guan H, Tu Y, Ye Y, Huang S, Fu S, Li K, Huang Z, Li X, Shi Z, Li L, Zhang Y. Advanced glycation end products promote meniscal calcification by activating the mTOR-ATF4 positive feedback loop. Exp Mol Med 2024; 56:630-645. [PMID: 38424194 PMCID: PMC10985079 DOI: 10.1038/s12276-024-01190-6] [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: 06/02/2023] [Revised: 10/25/2023] [Accepted: 12/19/2023] [Indexed: 03/02/2024] Open
Abstract
The meniscus is vital for maintaining knee homeostasis and function. Meniscal calcification is one of the earliest radiological indicators of knee osteoarthritis (KOA), and meniscal calcification is associated with alterations in biomechanical properties. Meniscal calcification originates from a biochemical process similar to vascular calcification. Advanced glycation end products (AGEs) and their receptors (RAGEs) reportedly play critical roles in vascular calcification. Herein, we investigated whether targeting AGE-RAGE is a potential treatment for meniscal calcification. In our study, we demonstrated that AGE-RAGE promotes the osteogenesis of meniscal cells and exacerbates meniscal calcification. Mechanistically, AGE-RAGE activates mTOR and simultaneously promotes ATF4 accumulation, thereby facilitating the ATF4-mTOR positive feedback loop that enhances the osteogenic capacity of meniscal cells. In this regard, mTOR inhibits ATF4 degradation by reducing its ubiquitination, while ATF4 activates mTOR by increasing arginine uptake. Our findings substantiate the unique role of AGE-RAGE in the meniscus and reveal the role of the ATF4-mTOR positive feedback loop during the osteogenesis of meniscal cells; these results provide potential therapeutic targets for KOA.
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Affiliation(s)
- Sheng Yang
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- Department of Orthopedics, 920 Hospital of the Joint Logistic Support Force, Kunming, Yunnan, China
| | - JiaJun Xie
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - ZhiJie Pan
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- Department of Orthopaedics, The First People's Hospital of Zhaoqing, Zhaoqing, Guangdong, China
| | - HongMei Guan
- Department of Obstetrics and Gynecology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - YueSheng Tu
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - YuanJian Ye
- Department of Orthopaedics, Huizhou First Hospital, Guangdong Medical University, Huizhou, Guangdong, China
| | - ShouBin Huang
- Department of Orthopaedics, Huizhou First Hospital, Guangdong Medical University, Huizhou, Guangdong, China
| | - ShiQiang Fu
- Huizhou First Maternal and Child Health Care Hospital, Huizhou, Guangdong, China
| | - KangXian Li
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - ZhiWei Huang
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - XiaoQi Li
- School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - ZhanJun Shi
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Le Li
- Department of Anesthesiology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Yang Zhang
- Division of Orthopaedic Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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3
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Xiao Y, Xie X, Chen Z, Yin G, Kong W, Zhou J. Advances in the roles of ATF4 in osteoporosis. Biomed Pharmacother 2023; 169:115864. [PMID: 37948991 DOI: 10.1016/j.biopha.2023.115864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/01/2023] [Accepted: 11/07/2023] [Indexed: 11/12/2023] Open
Abstract
Osteoporosis (OP) is characterized by reduced bone mass, decreased strength, and enhanced bone fragility fracture risk. Activating transcription factor 4 (ATF4) plays a role in cell differentiation, proliferation, apoptosis, redox balance, amino acid uptake, and glycolipid metabolism. ATF4 induces the differentiation of bone marrow mesenchymal stem cells (BM-MSCs) into osteoblasts, increases osteoblast activity, and inhibits osteoclast formation, promoting bone formation and remodeling. In addition, ATF4 mediates the energy metabolism in osteoblasts and promotes angiogenesis. ATF4 is also involved in the mediation of adipogenesis. ATF4 can selectively accumulate in osteoblasts. ATF4 can directly interact with RUNT-related transcription factor 2 (RUNX2) and up-regulate the expression of osteocalcin (OCN) and osterix (Osx). Several upstream factors, such as Wnt/β-catenin and BMP2/Smad signaling pathways, have been involved in ATF4-mediated osteoblast differentiation. ATF4 promotes osteoclastogenesis by mediating the receptor activator of nuclear factor κ-B (NF-κB) ligand (RANKL) signaling. Several agents, such as parathyroid (PTH), melatonin, and natural compounds, have been reported to regulate ATF4 expression and mediate bone metabolism. In this review, we comprehensively discuss the biological activities of ATF4 in maintaining bone homeostasis and inhibiting OP development. ATF4 has become a therapeutic target for OP treatment.
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Affiliation(s)
- Yaosheng Xiao
- Department of Orthopaetics, First Affiliated Hospital of Gannan Medical University, Ganzhou 341000, China
| | - Xunlu Xie
- Department of Pathology, Ganzhou People's Hospital, Ganzhou 341000, China
| | - Zhixi Chen
- Department of Pharmacy, Gannan Medical University, Ganzhou 341000, China
| | - Guoqiang Yin
- Ganzhou Hospital Affiliated to Nanchang University, Ganzhou 341000, China
| | - Weihao Kong
- Department of Joint Surgery, Ganzhou People's Hospital, Ganzhou 341000, China
| | - Jianguo Zhou
- Department of Joint Surgery, Ganzhou People's Hospital, Ganzhou 341000, China.
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4
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Menger MM, Stief M, Scheuer C, Rollmann MF, Herath SC, Braun BJ, Ehnert S, Nussler AK, Menger MD, Laschke MW, Histing T. Diclofenac, a NSAID, delays fracture healing in aged mice. Exp Gerontol 2023; 178:112201. [PMID: 37169100 DOI: 10.1016/j.exger.2023.112201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 05/06/2023] [Accepted: 05/08/2023] [Indexed: 05/13/2023]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs), such as diclofenac, belong to the most prescribed analgesic medication after traumatic injuries. However, there is accumulating evidence that NSAIDs impair fracture healing. Because bone regeneration in aged patients is subject to significant changes in cell differentiation and proliferation as well as a markedly altered pharmacological action of drugs, we herein analyzed the effects of diclofenac on bone healing in aged mice using a stable closed femoral facture model. Thirty-three mice (male n = 14, female n = 19) received a daily intraperitoneal injection of diclofenac (5 mg/kg body weight). Vehicle-treated mice (n = 29; male n = 13, female n = 16) served as controls. Fractured mice femora were analyzed by means of X-ray, biomechanics, micro computed tomography (μCT), histology and Western blotting. Biomechanical analyses revealed a significantly reduced bending stiffness in diclofenac-treated animals at 5 weeks after fracture when compared to vehicle-treated controls. Moreover, the callus tissue in diclofenac-treated aged animals exhibited a significantly reduced amount of bone tissue and higher amounts of fibrous tissue. Further histological analyses demonstrated less lamellar bone after diclofenac treatment, indicating a delay in callus remodeling. This was associated with a decreased number of osteoclasts and an increased expression of osteoprotegerin (OPG) during the early phase of fracture healing. These findings indicate that diclofenac delays fracture healing in aged mice by affecting osteogenic growth factor expression and bone formation as well as osteoclast activity and callus remodeling.
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Affiliation(s)
- Maximilian M Menger
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany; Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany.
| | - Maximilian Stief
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Claudia Scheuer
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Mika F Rollmann
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany
| | - Steven C Herath
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany
| | - Benedikt J Braun
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany
| | - Sabrina Ehnert
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany; Department of Trauma and Reconstructive Surgery, BG Trauma Center Tuebingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Andreas K Nussler
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany; Department of Trauma and Reconstructive Surgery, BG Trauma Center Tuebingen, Siegfried Weller Institute for Trauma Research, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Michael D Menger
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Matthias W Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg, Saar, Germany
| | - Tina Histing
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tuebingen, BG Trauma Center Tuebingen, 72076 Tuebingen, Germany
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5
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Leathers TA, Rogers CD. Nonsteroidal anti-inflammatory drugs and implications for the cyclooxygenase pathway in embryonic development. Am J Physiol Cell Physiol 2023; 324:C532-C539. [PMID: 36622071 PMCID: PMC9925163 DOI: 10.1152/ajpcell.00430.2022] [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: 09/20/2022] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 01/10/2023]
Abstract
Nonsteroidal anti-inflammatory drugs (NSAIDs) are a class of analgesics that inhibit the activity of cyclooxygenase isoenzymes, which drive tissue inflammation pathways. Caution should be exercised when taking these drugs during pregnancy as they increase the risk of developmental defects. Due to the high rates of NSAID use by individuals, possibilities for in utero exposure to NSAIDs are high, and it is vital that we define the potential risks these drugs pose during embryonic development. In this review, we characterize the identified roles of the cyclooxygenase signaling pathway components throughout pregnancy and discuss the effects of cyclooxygenase pathway perturbation on developmental outcomes.
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Affiliation(s)
- Tess A Leathers
- Department of Anatomy, Physiology, and Cell Biology, UC Davis School of Veterinary Medicine, Davis, California
| | - Crystal D Rogers
- Department of Anatomy, Physiology, and Cell Biology, UC Davis School of Veterinary Medicine, Davis, California
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6
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Gao L, Jin N, Ye Z, Ma T, Huang Y, Li H, Du J, Li Z. A possible connection between reactive oxygen species and the unfolded protein response in lens development: From insight to foresight. Front Cell Dev Biol 2022; 10:820949. [PMID: 36211466 PMCID: PMC9535091 DOI: 10.3389/fcell.2022.820949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 08/31/2022] [Indexed: 11/28/2022] Open
Abstract
The lens is a relatively special and simple organ. It has become an ideal model to study the common developmental characteristics among different organic systems. Lens development is a complex process influenced by numerous factors, including signals from the intracellular and extracellular environment. Reactive oxygen species (ROS) are a group of highly reactive and oxygen-containing molecules that can cause endoplasmic reticulum stress in lens cells. As an adaptive response to ER stress, lens cells initiate the unfolded protein response (UPR) to maintain normal protein synthesis by selectively increasing/decreasing protein synthesis and increasing the degradation of misfolded proteins. Generally, the UPR signaling pathways have been well characterized in the context of many pathological conditions. However, recent studies have also confirmed that all three UPR signaling pathways participate in a variety of developmental processes, including those of the lens. In this review, we first briefly summarize the three stages of lens development and present the basic profiles of ROS and the UPR. We then discuss the interconnections between lens development and these two mechanisms. Additionally, the potential adoption of human pluripotent stem-cell-based lentoids in lens development research is proposed to provide a novel perspective on future developmental studies.
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Affiliation(s)
- Lixiong Gao
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Ni Jin
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
- Department of Endocrinology, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, The Chinese PLA General Hospital, Beijing, China
| | - Zi Ye
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Tianju Ma
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yang Huang
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Hongyu Li
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Jinlin Du
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Zhaohui Li
- Senior Department of Ophthalmology, The Third Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Zhaohui Li,
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7
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Zhang XX, Liang X, Li SR, Guo KJ, Li DF, Li TF. Bone Marrow Mesenchymal Stem Cells Overexpressing HIF-1α Prevented the Progression of Glucocorticoid-Induced Avascular Osteonecrosis of Femoral Heads in Mice. Cell Transplant 2022; 31:9636897221082687. [PMID: 35287482 PMCID: PMC8928352 DOI: 10.1177/09636897221082687] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Glucocorticoid (GC)-induced avascular osteonecrosis of femoral head (AOFH) is a devastating complication, and no cures are currently available for it. Previous studies have demonstrated that implantation of bone marrow mesenchymal stem cells (BMMSCs) may prevent the progression of pre-collapse AOFH. Based on previous observations, we hypothesized that GCs induce AOFH via the COX-2 (cyclooxygenase-2)-PGE-2 (prostaglandin E2)-HIF-1α (hypoxia-inducible factor-1α) axis, and that modification of BMMSCs may improve the efficacy of their implantation. BMMSCs isolated from wild-type (WT) mice were treated with dexamethasone (Dex) and the results showed that Dex repressed the expression of COX-2. Femoral head samples harvested from both WT and COX-2 knock-out (COX-2-/-) mice were subjected to micro-computed tomography and histological examinations. Compared with their WT littermates, COX-2-/- mice had larger trabecular separations, diminished microvasculature, and reduced HIF-1α expression in their femoral heads. In vitro angiogenesis assays with tube formation and fetal metatarsal sprouting demonstrated that Dex repressed angiogenesis and PGE-2 antagonized its effects. An AOFH model was successfully established in C57BL/6J mice. In vitro experiment showed that BMMSCs infected with Lentivirus encoding HIF-1α (Lenti-HIF-1α) resulted in a robust increase in the production of HIF-1α protein. Implantation of BMMSCs overexpressing HIF-1α into femoral heads of AOFH mice significantly reduced osteonecrotic areas and enhanced bone repair, thus largely preserving the structural integrity of femoral heads. Our studies provide strong rationales for early intervention with core decompression and implantation of modified BMMSCs for GC-induced AOFH, which may spare patients from expensive and difficult surgical procedures.
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Affiliation(s)
- Xin-Xin Zhang
- Department of Rheumatology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
| | - Xu Liang
- Department of Rheumatology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
| | - Sen-Rui Li
- Department of Rheumatology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
| | - Kuang-Jin Guo
- Department of Rheumatology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
| | - Dai-Feng Li
- Department of Orthopaedics, Zhengzhou University First Affiliated Hospital, Zhengzhou, China.,Department of Magnetic Resonance Imaging, Henan Key Laboratory of Functional Magnetic Resonance Imaging and Molecular Imaging, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
| | - Tian-Fang Li
- Department of Rheumatology, Zhengzhou University First Affiliated Hospital, Zhengzhou, China
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8
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Niu S, Xiang F, Jia H. Downregulation of lncRNA XIST promotes proliferation and differentiation, limits apoptosis of osteoblasts through regulating miR-203-3p/ZFPM2 axis. Connect Tissue Res 2021; 62:381-392. [PMID: 32326773 DOI: 10.1080/03008207.2020.1752200] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Background: Bone fracture is a common medical condition. Evidence suggested that long noncoding RNAs (lncRNAs) could regulate the bio-function in osteoblast. In this study, we explored the role and mechanism of lncRNA X-inactive specific transcript (XIST) on the proliferation, apoptosis, and differentiation of osteoblasts using MC3T3-E1 cells. Methods: Expression of XIST, microRNA-203-3p (miR-203-3p), and zinc finger protein multitype 2 (ZFPM2) was measured by quantitative real-time polymerase chain reaction (qRT-PCR). Cell viability and apoptosis of MC3T3-E1 cells were measured using the Cell Counting Kit-8 (CCK-8) and the flow cytometry. Western blot was used to measure the expression of cell cycle-related proteins, apoptosis-related proteins, and ZFPM2. Levels of differentiation-related factors were measured by qRT-PCR, western blot, and alkaline phosphatase (ALP) kit. Target interaction between miR-203-3p and XIST or ZFPM2 was predicted through bioinformatics analysis and verified by dual-luciferase reporter, RNA immunoprecipitation (RIP) assay, or RNA pull-down assay. Results: The expression of XIST and ZFPM2 was increased while miR-203-3p was decreased in plasmas and MC3T3-E1 cells. Knockdown of XIST promoted the proliferation, differentiation, but limited apoptosis in MC3T3-E1 cells. . Mechanically, overexpression of XIST could reverse the bio-function of miR-203-3p transfection. Additionally, miR-203-3p inverted a series of bio-functional effects of ZFPM2. Furthermore, anti-miR-203-3p rescued si-XIST-induced downregulation of ZFPM2. Conclusion: Downregulation of lncRNA XIST promoted osteoblast proliferation and differentiation, but limited apoptosis by miR-203-3p/ZFPM2 axis.
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Affiliation(s)
- Shizhen Niu
- General Teaching and Research Office, Jining Medical University, Jining, Shandong, China
| | - Feng Xiang
- Department of Orthopaedics and Traumatology, Zaozhuang Hospital of Traditional Chinese Medicine, Zaozhuang, Shandong, China
| | - Huaihai Jia
- Department of Orthopaedics and Traumatology, Zaozhuang Hospital of Traditional Chinese Medicine, Zaozhuang, Shandong, China
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9
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Heubel B, Nohe A. The Role of BMP Signaling in Osteoclast Regulation. J Dev Biol 2021; 9:24. [PMID: 34203252 PMCID: PMC8293073 DOI: 10.3390/jdb9030024] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/02/2021] [Accepted: 06/18/2021] [Indexed: 12/12/2022] Open
Abstract
The osteogenic effects of Bone Morphogenetic Proteins (BMPs) were delineated in 1965 when Urist et al. showed that BMPs could induce ectopic bone formation. In subsequent decades, the effects of BMPs on bone formation and maintenance were established. BMPs induce proliferation in osteoprogenitor cells and increase mineralization activity in osteoblasts. The role of BMPs in bone homeostasis and repair led to the approval of BMP2 by the Federal Drug Administration (FDA) for anterior lumbar interbody fusion (ALIF) to increase the bone formation in the treated area. However, the use of BMP2 for treatment of degenerative bone diseases such as osteoporosis is still uncertain as patients treated with BMP2 results in the stimulation of not only osteoblast mineralization, but also osteoclast absorption, leading to early bone graft subsidence. The increase in absorption activity is the result of direct stimulation of osteoclasts by BMP2 working synergistically with the RANK signaling pathway. The dual effect of BMPs on bone resorption and mineralization highlights the essential role of BMP-signaling in bone homeostasis, making it a putative therapeutic target for diseases like osteoporosis. Before the BMP pathway can be utilized in the treatment of osteoporosis a better understanding of how BMP-signaling regulates osteoclasts must be established.
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Affiliation(s)
- Brian Heubel
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Anja Nohe
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
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10
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Wang P, Ye Y, Yuan W, Tan Y, Zhang S, Meng Q. Curcumin exerts a protective effect on murine knee chondrocytes treated with IL-1β through blocking the NF-κB/HIF-2α signaling pathway. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:940. [PMID: 34350255 PMCID: PMC8263872 DOI: 10.21037/atm-21-2701] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 06/09/2021] [Indexed: 11/16/2022]
Abstract
Background Osteoarthritis (OA) is characterized by erosion and degradation of articular cartilage. This study assessed the effects of curcumin on mouse knee cartilage chondrocytes. Methods Chondrocytes were treated for 24 hours with interleukin IL-1β (10 ng/mL) alone, or the combination of curcumin (10, 20, and 50 µM) and IL-1β. The proliferation, viability, and cytotoxicity of the chondrocytes were evaluated by the MTS assay. Expression of SOX9, AGG, Col2α, MMP9, ADAMTS5, COX2, iNOS, pIκB-α, pNF-κB, and hypoxia-inducible factor-2α (HIF-2α) were detected by western blotting or quantitative polymerase chain reaction (q-PCR). Nuclear translocation of NF-κB and HIF-2α were investigated by immunofluorescence and immunohistochemistry. In in vivo experiments, mice were subjected to destabilization of the medial meniscus (DMM) and given curcumin orally for 6 weeks. Cartilage integrity was evaluated by OARSI (Osteoarthritic Research Society International) scores. Results Curcumin significantly inhibited the IL-1β-induced reduction of cell viability, degradation of ECM, and the expression of SOX9, Col2α, and AGG (P<0.01). Western blotting, immunofluorescence and immunohistochemistry experiments demonstrated that curcumin dramatically inhibited the activation of NF-κB/HIF-2α in chondrocytes treated with IL-1β (P<0.01). The articular scores were significantly lower in the DMM-induced OA mice compared to OA mice treated with curcumin (P<0.01). Conclusions Curcumin may have the potential to inhibit OA development, partly through suppressing the activation of the NF-κB/HIF-2α pathway.
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Affiliation(s)
- Pengzhen Wang
- Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Yanchen Ye
- Division of Vascular Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Yuan
- Department of General Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Yanping Tan
- Department of Neurology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Shaoheng Zhang
- Department of Cardiology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
| | - Qingqi Meng
- Guangzhou Institute of Traumatic Surgery, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, China
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11
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Fu XN, Li HW, Du N, Liang X, He SH, Guo KJ, Li TF. Erythropoietin enhances meniscal regeneration and prevents osteoarthritis formation in mice. Am J Transl Res 2020; 12:6464-6477. [PMID: 33194044 PMCID: PMC7653595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
Osteoarthritis (OA) is a leading cause of pain and disability, and knee is the most commonly afflicted joint. Meniscal tear due to injury or degeneration is an established factor for OA pathogenesis. Previous studies have demonstrated that meniscectomy does not reduce the OA incidence. We hypothesized that enhancing meniscal regeneration may prevent OA formation and progression. We first investigated the developmental pattern of mouse meniscus. Knee joint samples were collected at embryonic stages as well as after birth for histological and immunohistochemical studies. The results showed that meniscal cells underwent active proliferation and apoptosis at embryonic day 19.5 and Day 1 after birth. Collagen I (Col-1) is a major type of matrix protein in matured meniscus. Meniscal cells isolated from 3-month-old mice were used to examine the effect of selected factors on the molecules related to cell proliferation, angiogenesis, inflammation, extracellular matrix proteins and matrix degradation enzymes. Overall assessment indicated that EPO had optimal effect on meniscal regeneration. An organ culture system of mouse meniscus was established to test the effect of EPO on in vitro cultured menisci. EPO upregulated the expression of Col-1, Col-2 and VEGF-A, and downregulated the expression of MMP-13. Finally, we established a mouse model of meniscus injury induced OA (MIO), and mice were subjected to PBS or EPO treatments. The results demonstrated that EPO enhanced meniscal repair and prevented OA formation. EPO may become an effective Disease Modifying Osteoarthritis Drug and may be used for early treatment for meniscal injury to prevent OA progression.
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Affiliation(s)
- Xiao-Ning Fu
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Hui-Wu Li
- Department of Orthopaedics, Shanghai 9 Hospital, Shanghai Jiaotong UniversityShanghai, China
| | - Na Du
- Department of Nephrology, Central Hospital of Kai-Feng CityKai Feng, China
| | - Xu Liang
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Shi-Hao He
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Kuang-Jin Guo
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Tian-Fang Li
- Department of Rheumatology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
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12
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Norel X, Sugimoto Y, Ozen G, Abdelazeem H, Amgoud Y, Bouhadoun A, Bassiouni W, Goepp M, Mani S, Manikpurage HD, Senbel A, Longrois D, Heinemann A, Yao C, Clapp LH. International Union of Basic and Clinical Pharmacology. CIX. Differences and Similarities between Human and Rodent Prostaglandin E 2 Receptors (EP1-4) and Prostacyclin Receptor (IP): Specific Roles in Pathophysiologic Conditions. Pharmacol Rev 2020; 72:910-968. [PMID: 32962984 PMCID: PMC7509579 DOI: 10.1124/pr.120.019331] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Prostaglandins are derived from arachidonic acid metabolism through cyclooxygenase activities. Among prostaglandins (PGs), prostacyclin (PGI2) and PGE2 are strongly involved in the regulation of homeostasis and main physiologic functions. In addition, the synthesis of these two prostaglandins is significantly increased during inflammation. PGI2 and PGE2 exert their biologic actions by binding to their respective receptors, namely prostacyclin receptor (IP) and prostaglandin E2 receptor (EP) 1-4, which belong to the family of G-protein-coupled receptors. IP and EP1-4 receptors are widely distributed in the body and thus play various physiologic and pathophysiologic roles. In this review, we discuss the recent advances in studies using pharmacological approaches, genetically modified animals, and genome-wide association studies regarding the roles of IP and EP1-4 receptors in the immune, cardiovascular, nervous, gastrointestinal, respiratory, genitourinary, and musculoskeletal systems. In particular, we highlight similarities and differences between human and rodents in terms of the specific roles of IP and EP1-4 receptors and their downstream signaling pathways, functions, and activities for each biologic system. We also highlight the potential novel therapeutic benefit of targeting IP and EP1-4 receptors in several diseases based on the scientific advances, animal models, and human studies. SIGNIFICANCE STATEMENT: In this review, we present an update of the pathophysiologic role of the prostacyclin receptor, prostaglandin E2 receptor (EP) 1, EP2, EP3, and EP4 receptors when activated by the two main prostaglandins, namely prostacyclin and prostaglandin E2, produced during inflammatory conditions in human and rodents. In addition, this comparison of the published results in each tissue and/or pathology should facilitate the choice of the most appropriate model for the future studies.
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Affiliation(s)
- Xavier Norel
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Yukihiko Sugimoto
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Gulsev Ozen
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Heba Abdelazeem
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Yasmine Amgoud
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Amel Bouhadoun
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Wesam Bassiouni
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Marie Goepp
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Salma Mani
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Hasanga D Manikpurage
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Amira Senbel
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Dan Longrois
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Akos Heinemann
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Chengcan Yao
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Lucie H Clapp
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
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Chu X, Yu T, Huang X, Xi Y, Ni B, Zhang R, You H. Tomatidine suppresses inflammation in primary articular chondrocytes and attenuates cartilage degradation in osteoarthritic rats. Aging (Albany NY) 2020; 12:12799-12811. [PMID: 32628132 PMCID: PMC7377830 DOI: 10.18632/aging.103222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 03/31/2020] [Indexed: 01/05/2023]
Abstract
In this study, we investigated whether the anti-inflammatory effects of tomatidine alleviate osteoarthritis (OA)-related pathology in primary articular chondrocytes and a rat OA model. STITCH database analysis identified 22 tomatidine-target genes that were enriched in 78 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. Moreover,39 of the 105 OA-related KEGG pathways were related to tomatidine-target genes. The top two OA-related KEGG pathways with tomatidine-target genes were the MAPK and neutrophin signaling pathways. Pretreating primary chondrocytes with tomatidine suppressed interleukin-1β (IL-1β)-induced expression of iNOS, COX-2, MMP1, MMP3, MMP13, and ADAMTS-5. Tomatidine also suppressed IL-1β-induced degradation of collagen-II and aggrecan proteins by inhibiting NF-κB and MAPK signaling. In a rat OA model, histological and immunohistochemical analyses showed significantly less cartilage degeneration in thetibiofemoral joints of rats treated for 12 weeks with tomatidine after OA induction (experimental group) than in untreated OA group rats. However, micro-computed tomography (μ-CT) showed that tomatidine did not affect remodeling of the subchondral bone at the tibial plateau. These data shows that tomatidine suppresses IL-1β-induced inflammation in primary chondrocytes by inhibiting the NF-κB and MAPK signaling pathways, and protects against cartilage destruction in a rat OA model.
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Affiliation(s)
- Xiangyu Chu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Tao Yu
- Department of Orthopedic Surgery, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | - Xiaojian Huang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Yang Xi
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Bowei Ni
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Rui Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
| | - Hongbo You
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China
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14
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Qi Z, Mi C, Wu F, Yang X, Sang Y, Liu Y, Li J, Yang H, Xu B, Liu W, Xu Z, Deng Y. The effect of manganese exposure on GnRH secretion via Nrf2/mGluR5/COX-2/PGE2/signaling pathway. Toxicol Ind Health 2020; 35:211-227. [PMID: 30862296 DOI: 10.1177/0748233719825720] [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] [Indexed: 12/12/2022]
Abstract
There are limited studies focused on the precise mechanism of gonadotropin-releasing hormone (GnRH) secretion dysfunction after overexposure to manganese (Mn). The objective of the present study was to explore the mechanism of Mn disruption of GnRH synthesis via nuclear factor erythroid-2-related factor-2 (Nrf2)/metabotropic glutamate receptor-5 (mGluR5)/cyclooxygenase-2 (COX-2)/prostaglandin E2 (PGE2) signaling pathway in vitro and in vivo. Primary astrocytes were cultured and treated with different doses of Mn, tert-butylhydroquinonet (tBHQ; Nrf2 agonists), 3-[(2-methyl-4-thaizolyl) ethynyl] pyridine (MTEP; mGluR5 inhibitor), and celecoxib (COX-2 inhibitor) to measure the levels of COX-2, mGluR5, Nrf2, and Nrf2 target genes. Mice were randomly divided into 11 groups, of which included the control group, 12.5-, 25-, and 50-mg/kg MnCl2 group, dimethyl sulfoxide (DMSO) group, tBHQ control group, tBHQ pretreatment group, MTEP control group, MTEP pretreatment group, celecoxib control group, and celecoxib pretreatment group. The injection was administered every day for 2 weeks. Then, levels of GnRH, PGE2, COX-2, mGluR5, Nrf2, Nrf2 target genes, and morphological changes in the hypothalamus of mice were measured. Mn reduced protein levels of Nrf2 and mRNA expression of Nrf2 target genes and increased mGluR5, COX-2, PGE2, and GnRH levels. Meanwhile, injury-related histomorphology changes in the hypothalamus of mice were significantly present. In conclusion, excessive exposure to Mn disrupts GnRH secretion through Nrf2/mGluR5/COX-2/PGE2 signaling pathway.
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Affiliation(s)
- Zhipeng Qi
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Chao Mi
- 2 Department of School Health Supervision, Institute of Shenyang Health Inspection, Shenyang, People's Republic of China
| | - Fengdi Wu
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Xinxin Yang
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Yanqi Sang
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Yanan Liu
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Jiashuo Li
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Haibo Yang
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China.,3 Department of Occupational Diseases, Linyi People's Hospital, Shandong, People's Republic of China
| | - Bin Xu
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Wei Liu
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Zhaofa Xu
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
| | - Yu Deng
- 1 Department of Environmental Health, School of Public Health, China Medical University, Shenyang, People's Republic of China
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Jiang HT, Ran CC, Liao YP, Zhu JH, Wang H, Deng R, Nie M, He BC, Deng ZL. IGF-1 reverses the osteogenic inhibitory effect of dexamethasone on BMP9-induced osteogenic differentiation in mouse embryonic fibroblasts via PI3K/AKT/COX-2 pathway. J Steroid Biochem Mol Biol 2019; 191:105363. [PMID: 31018166 DOI: 10.1016/j.jsbmb.2019.04.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 03/19/2019] [Accepted: 04/09/2019] [Indexed: 02/08/2023]
Abstract
Glucocorticoid-Induced Osteoporosis (GIOP) is a prevalent clinical complication caused by large dose administration of glucocorticoids, such as Dexamethasone (Dex) and Prednisone. GIOP may lead to fractures and even Osteonecrosis of the Femoral Head (ONFH). It has been reported that glucocorticoids inhibit osteogenesis via the suppression of osteogenic differentiation in Mesenchymal Stem Cells (MSCs), but the precise mechanism underlying this suppression awaits further investigation. Meanwhile, novel and efficacious therapies are recommended to cope with GIOP. In this study, we demonstrated that Dex had the inhibitory effect on Bone Morphogenetic Protein 9 (BMP9)-induced ALP activities and matrix mineralization in Mouse Embryonic Fibroblasts (MEFs). In addition, the study confirmed that Dex decreased the expression of osteogenic markers such as Runx2 and OPN. However, the inhibitory effect of Dex on these osteogenic markers can be reversed when combined with insulin-like growth factor 1 (IGF-1). Regarding the inhibitory mechanism, we found that the level of AKT and p-AKT can be decreased by Dex and that Ly294002, the PI3K inhibitor, can block the reversal effect of IGF-1. Moreover, the knockdown or inhibition of COX-2 produced similar results to those of Ly294002. Our findings indicated that IGF-1 may reverse the osteogenic inhibitory effect of Dex via PI3K/AKT pathway, which may be associated with the up-regulation of COX-2. This study may provide new clinical management strategy for GIOP cases.
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Affiliation(s)
- Hai-Tao Jiang
- Department of Orthopaedics, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing 400010, PR China; Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Cheng-Cheng Ran
- Department of Orthopaedics, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing 400010, PR China; Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Yun-Peng Liao
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China; Department of Pharmacology, School of Pharmacy, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Jia-Hui Zhu
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China; Department of Pharmacology, School of Pharmacy, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Han Wang
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China; Department of Pharmacology, School of Pharmacy, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Rui Deng
- Department of Orthopaedics, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing 400010, PR China
| | - Mao Nie
- Department of Orthopaedics, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing 400010, PR China
| | - Bai-Cheng He
- Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China; Department of Pharmacology, School of Pharmacy, Chongqing Medical University, No. 1 Yixueyuan Road, Yuzhong District, Chongqing 400010, PR China
| | - Zhong-Liang Deng
- Department of Orthopaedics, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing 400010, PR China.
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Li X, Lin J, Ding X, Xuan J, Hu Z, Wu D, Zhu X, Feng Z, Ni W, Wu A. The protective effect of sinapic acid in osteoarthritis: In vitro and in vivo studies. J Cell Mol Med 2019; 23:1940-1950. [PMID: 30604480 PMCID: PMC6378178 DOI: 10.1111/jcmm.14096] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 11/16/2018] [Accepted: 11/29/2018] [Indexed: 12/21/2022] Open
Abstract
The anti-inflammatory effect of sinapic acid (SA) has been reported in several studies. However, whether SA has the same effect on osteoarthritis (OA) has yet to be clearly elucidated. We designed a series of in vitro and in vivo procedures to verify the above conjecture. Compared with controls, SA-pretreated human chondrocytes showed lower levels of interleukin (IL)-1β-induced IL-6, prostaglandin E2 (PGE2), nitric oxide (NO) and tumour necrosis factor-α (TNF-α) in vitro. Meanwhile, SA could also reverse the degradation of type II collage and aggrecan, as well as the overproduction of matrix metalloproteinase-9 (MMP-9) and matrix metalloproteinase-13 (MMP-13), inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)-2 and a disintegrin and metalloproteinase thrombospondin motifs (ADAMTS)-5. Furthermore, activation of nuclear factor κB (NF-κB), which was induced by IL-1β, was also inhibited by SA through the pathway of nuclear factor-erythroid 2-related factor-2 (Nrf2)/heme oxygenase 1. In vivo, SA could delay the progress of mice OA models. We propose that SA may be applied as a potential therapeutic drug in OA treatment.
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Affiliation(s)
- Xiaobin Li
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Jian Lin
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Xiaoxia Ding
- Department of Chemoradiation OncologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Jiangwei Xuan
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Zhichao Hu
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Dengying Wu
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Xingyu Zhu
- The Second Clinical Medical School of the Wenzhou Medical UniversityWenzhouChina
| | - Zhenhua Feng
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital of Jiaxing UniversityJiaxingChina
| | - Wenfei Ni
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Aimin Wu
- Department of Orthopaedic SurgeryThe Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical UniversityWenzhouChina
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Sirohi VK, Gupta K, Kapoor R, Dwivedi A. MicroRNA-145 targets Smad1 in endometrial stromal cells and regulates decidualization in rat. J Mol Med (Berl) 2019; 97:509-522. [PMID: 30729278 DOI: 10.1007/s00109-019-01744-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 01/09/2019] [Accepted: 01/10/2019] [Indexed: 12/16/2022]
Abstract
Decidualization of endometrial stromal cells is the pre-requisite for the embryo implantation and establishment of pregnancy. Although known to be regulated by several factors, the process of regulation of decidualization by miRNAs is largely unknown. Previous reports suggest that the upregulated expression of miR-145 is associated with repeated implantation failure. The current study was aimed to identify and validate the role of miR-145 in regulating stromal cell decidualization and the mechanism involved therein. Expression of miR-145 was found to be downregulated during the decidualization period of early pregnancy and also in artificially induced decidualization in rat uterus. During in vitro decidualization in rat endometrial stromal cells (ESCs), the overexpression of mimic miR-145 attenuated the progression of decidualization. Biochemical marker alkaline phosphatase and protein markers (insulin-like growth factor binding protein, cyclin D3) were also suppressed in miR-145 mimic-transfected cells as compared to normal decidualized cells. Bioinformatic analysis and luciferase reporter assay confirmed that Smad1 is the direct target of miR-145. Differentiation of ESCs was inhibited in miR-145 mimic-transfected cells which occurred via downregulating the target Smad1 along with its downstream p-Smad1/5/8 and Wnt-4. Pre-treatment of ESCs with Smad1 siRNA resulted in downregulated expression of p-Smad1/5/8, Wnt-4, Cox-2, and VEGF. In addition, miR-145 overexpression resulted in the loss of angiogenic factors Cox-2, MMP-9, and VEGF, indicating suppression of the process of angiogenesis. Migration of human umbilical vein endothelial cells was also attenuated in the presence of conditioned media obtained from miR-145-transfected decidualizing cells. In conclusion, the study demonstrated the role of miR-145 in regulation of progression of decidualization which is mediated through inhibition of Smad1. KEY MESSAGES: MiR-145 expression is downregulated during decidualization in the rat uterus. Overexpression of miR-145 inhibited the decidualization progression. MiR-145 suppressed the migration and invasion of HUVECs. MiR-145 downregulated Smad1 which suppresses Smad1/5/8, Wnt-4, MMP-9, Cox-2, and VEGF.
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Affiliation(s)
- Vijay K Sirohi
- Division of Endocrinology, CSIR-Central Drug Research Institute
- , Lucknow, Uttar Pradesh, 226031, India
| | - Kanchan Gupta
- Division of Endocrinology, CSIR-Central Drug Research Institute
- , Lucknow, Uttar Pradesh, 226031, India
| | - Radhika Kapoor
- Division of Endocrinology, CSIR-Central Drug Research Institute
- , Lucknow, Uttar Pradesh, 226031, India
| | - Anila Dwivedi
- Division of Endocrinology, CSIR-Central Drug Research Institute
- , Lucknow, Uttar Pradesh, 226031, India.
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ATF4 Involvement in TLR4 and LOX-1-Induced Host Inflammatory Response to Aspergillus fumigatus Keratitis. J Ophthalmol 2018; 2018:5830202. [PMID: 30647960 PMCID: PMC6311808 DOI: 10.1155/2018/5830202] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 10/04/2018] [Accepted: 10/11/2018] [Indexed: 12/11/2022] Open
Abstract
Purpose Activating transcription factor 4 (ATF4) is induced by various stressors. Here, we investigated the expression of ATF4 in the host inflammatory response to Aspergillus fumigatus (A. fumigatus) keratitis. Methods A. fumigatus keratitis mouse models developed by intrastromal injection as well as corneal epithelium scratching were examined daily with a slit lamp microscope for corneal opacification and ulceration. Subsequent in vitro experimentation was carried out in human corneal epithelial cells (HCECs) as well as THP-1 macrophages infected with A. fumigatus. Inhibitors, including CLI-095, Poly (I), SCH772984, and SP600125, were used to assess the role of proteins like toll-like receptor 4 (TLR4), lectin-type oxidized LDL receptor 1 (LOX-1), extracellular signal-regulated kinases (ERK1/2), and c-Jun N-terminal kinase (JNK) in ATF4 expression as a response to A. fumigatus infection. This assessment was made in both mouse models and HCECs using western blot. Results Compared to the controls, ATF4 was increased in corneas from two kinds of A. fumigatus keratitis models at 3 days after infection. ATF4 expression was upregulated with A. fumigatus conidia both in HCECs and THP-1 macrophages 16 hours after stimulation. Furthermore, ATF4 expression in response to A. fumigatus infection was shown to be dependent on TLR4 and LOX-1 expression, and ERK1/2 and JNK contributed to the expression of ATF4 in response to A. fumigatus. Conclusion Our results clearly indicate that ATF4 was involved in the host antifungal immune response to A. fumigatus keratitis; expression was found to be dependent on TLR4, LOX-1 expression, and MAPKs pathway.
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Zheng X, Dai J, Zhang H, Ge Z. MicroRNA-221 promotes cell proliferation, migration, and differentiation by regulation of ZFPM2 in osteoblasts. ACTA ACUST UNITED AC 2018; 51:e7574. [PMID: 30365725 PMCID: PMC6207289 DOI: 10.1590/1414-431x20187574] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 08/13/2018] [Indexed: 12/20/2022]
Abstract
Bone fracture is a common medical condition, which may occur due to traumatic injury or disease-related conditions. Evidence suggests that microRNAs (miRNAs) can regulate osteoblast differentiation and function. In this study, we explored the effects and mechanism of miR-221 on the growth and migration of osteoblasts using MC3T3-E1 cells. The expression levels of miR-221 in the different groups were measured by qRT-PCR. Then, miR-221 mimic and inhibitor were transfected into MC3T3-E1 cells, and cell viability and migration were measured using the CCK-8 assay and the Transwell migration assay. Additionally, the expression levels of differentiation-related factors (Runx2 and Ocn) and ZFPM2 were measured by qRT-PCR. Western blot was used to measure the expression of cell cycle-related proteins, epithelial-mesenchymal transition (EMT)-related proteins, ZFPM2, and Wnt/Notch, and Smad signaling pathway proteins. miR-221 was significantly up-regulated in the patients with lumbar compression fracture (LCM) and trochanteric fracture (TF). miR-221 promoted ALP, Runx2, and OPN expressions in MC3T3-E1 cells. miR-221 overexpression significantly increased cell proliferation, migration, differentiation, and matrix mineralization, whereas suppression of miR-221 reversed these effects. Additionally, the results displayed that ZFPM2 was a direct target gene of miR-221, and overexpression of ZFPM2 reversed the promoting effects of miR-221 overexpression on osteoblasts. Mechanistic study revealed that overexpression of miR-221 inactivated the Wnt/Notch and Smad signaling pathways by regulating ZFPM2 expression. We drew the conclusions that miR-221 overexpression promoted osteoblast proliferation, migration, and differentiation by regulation of ZFPM2 expression and deactivating the Wnt/Notch and Smad signaling pathways.
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Affiliation(s)
- Xingguo Zheng
- Department of Orthopaedics, Ningbo No. 2 Hospital, Ningbo, China
| | - Jinhua Dai
- Department of Clinical Laboratory, Ningbo No. 2 Hospital, Ningbo, China
| | - Haijun Zhang
- Department of Orthopaedics, Ningbo No. 2 Hospital, Ningbo, China
| | - Zhibin Ge
- Department of Orthopaedics, Ningbo No. 2 Hospital, Ningbo, China
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20
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Deng RH, Qiu B, Zhou PH. Chitosan/hyaluronic acid/plasmid-DNA nanoparticles encoding interleukin-1 receptor antagonist attenuate inflammation in synoviocytes induced by interleukin-1 beta. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:155. [PMID: 30276528 PMCID: PMC6182723 DOI: 10.1007/s10856-018-6160-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 09/18/2018] [Indexed: 05/16/2023]
Abstract
Synovial inflammation mainly resulting from interleukin-1 beta (IL-1β) plays a crucial role in the early and late stage of osteoarthritis. Recent progress in therapeutic gene delivery systems has led to promising strategies for local sustained target gene expression. The aim of this study was to design a nanoparticle made of chitosan (CS)/hyaluronic acid (HA)/plasmid-DNA (pDNA) encoding IL-1 receptor antagonist gene (pIL-1Ra) and furtherly use it to transfect the primary synoviocytes, and then investigate whether CS/HA/pIL-1Ra nanoparticles could make the synoviocytes overexpress functional IL-1Ra to attenuate inflammation induced by IL-1β. In this study, CS was modified with HA to generate CS/HA nanoparticles and then combined with pIL-1Ra to form CS/HA/pIL-1Ra nanoparticles. The physicochemical characteristics results showed that CS/HA nanoparticles exhibited an appropriate particle size (144.9 ± 2.8 nm) and positive zeta potential ( + 28 mV). The gel retardation assay revealed that pDNA was effectively protected and released in a sustained manner more than 15 days. Cytotoxicity results showed that CS/HA/pIL-1Ra nanoparticles had a safe range (0-80 μg/ml) for the application to synoviocytes. RT-qPCR and western blot analysis demonstrated that CS/HA/pIL-1Ra nanoparticles were able to increase IL-1Ra expression in primary synoviocytes, and reduce the mRNA and protein levels of matrix metalloproteinase-3 (MMP-3), matrix metalloproteinase-13 (MMP-13), cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) in IL-1β-induced synoviocytes. Our findings indicated that CS/HA/pIL-1Ra nanoparticles efficiently transfected synoviocytes and attenuated synovitis induced by IL-1β, which will provide a potential strategy for OA synovitis.
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Affiliation(s)
- Rong-Hui Deng
- Department of Orthopedics, Renmin Hospital of Wuhan University, Ziyang Road 99, Wuhan, 430060, China
| | - Bo Qiu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Ziyang Road 99, Wuhan, 430060, China
| | - Pang-Hu Zhou
- Department of Orthopedics, Renmin Hospital of Wuhan University, Ziyang Road 99, Wuhan, 430060, China.
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Ding ZC, Lin YK, Gan YK, Tang TT. Molecular pathogenesis of fracture nonunion. J Orthop Translat 2018; 14:45-56. [PMID: 30035032 PMCID: PMC6019407 DOI: 10.1016/j.jot.2018.05.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/03/2018] [Accepted: 05/07/2018] [Indexed: 02/07/2023] Open
Abstract
Fracture nonunion, a serious bone fracture complication, remains a challenge in clinical practice. Although the molecular pathogenesis of nonunion remains unclear, a better understanding may provide better approaches for its prevention, diagnosis and treatment at the molecular level. This review tries to summarise the progress made in studies of the pathogenesis of fracture nonunion. We discuss the evidence supporting the concept that the development of nonunion is related to genetic factors. The importance of several cytokines that regulate fracture healing in the pathogenesis of nonunion, such as tumour necrosis factor-α, interleukin-6, bone morphogenetic proteins, insulin-like growth factors, matrix metalloproteinases and vascular endothelial growth factor, has been proven in vitro, in animals and in humans. Nitric oxide and the Wnt signalling pathway also play important roles in the development of nonunion. We present potential strategies for the prevention, diagnosis and treatment of nonunion, and the interaction between genetic alteration and abnormal cytokine expression warrants further investigation. The translational potential of this article A better understanding of nonunion molecular pathogenesis may provide better approaches for its prevention, diagnosis and treatment in clinical practice.
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Affiliation(s)
- Zi-Chuan Ding
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, 639 Zhizaoju Road, Shanghai, China
| | - Yi-Kai Lin
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, 639 Zhizaoju Road, Shanghai, China
| | - Yao-Kai Gan
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, 639 Zhizaoju Road, Shanghai, China
| | - Ting-Ting Tang
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, 639 Zhizaoju Road, Shanghai, China
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Nguyen VT, Ko SC, Heo SJ, Kang DH, Oh C, Kim KN, Jeon YJ, Kim YM, Park WS, Choi IW, Park NG, Jung WK. Ciona intestinalis calcitonin-like peptide promotes osteoblast differentiation and mineralization through MAPK pathway in MC3T3-E1 cells. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.01.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Ding Q, Ren Y, Che H, Ma C, Li H, Yu S, Zhang Y, An H, O’Keefe RJ, Chen D, Block JA, Yin G, Li T. Cyclooxygenase-2 deficiency causes delayed ossification of lumbar vertebral endplates. Am J Transl Res 2018; 10:718-730. [PMID: 29636862 PMCID: PMC5883113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Accepted: 07/24/2017] [Indexed: 06/08/2023]
Abstract
Based on previous findings that cyclooxygenase-2 (COX-2) is a critical molecule in chondrocyte differentiation and skeletal repair, we hypothesized that COX-2 deficiency or inhibition affects the ossification of vertebral endplates (VEP) and degeneration of intervertebral discs (IVD) and thus is involved in the pathogenesis of low back pain (LBP). We aimed to delineate the COX-2 working mechanism and its interacting molecules, and to explore the effect of NSAIDs and selective COX-2 inhibitor on degenerative spinal diseases. Here, lumbar spinal samples harvested from Cox-2 mutant (Cox-2-/-) and wild type (WT) mice were used for histological examinations. Nucleus pulposus (NP) cells isolated from rat were treated with PGE-2. Mouse endplate chondrocytes (mEC) isolated from mice were treated with a recombinant sonic hedgehog (Shh) protein. A mouse IVD organ culture system was established and treated COX-2 inhibitor Celecoxib. Human lumbar endplate chondrocytes were cultured and treated with Celecoxib. Immunohistochemical (IHC) studies were done in the human and mouse VEP samples. Radiographic and histological examinations revealed delayed VEP ossification in Cox-2-/- mice compared to WT ones. Decreased PGE-2 expression was found to promote Shh expression in rat NP cells, while Shh increased noggin expression in mEC. IHC showed that noggin expression was increased while pSmad1 expression decreased in the VEP of Cox-2-/- mice. Human VEP samples from patients with severe IVD degeneration showed decreased expression of Shh and noggin and increased expression of COX-2 and pSmad1 compared with milder cases. In cultured mouse IVDs and human endplate chondrocytes, Celecoxib enhanced expression of Shh and noggin and decreased Smad1 phosphorylation. In conclusion, COX-2/PGE-2 axis plays an important role in VEP ossification and IVD degeneration through crosstalk with Shh and BMP signaling pathways. These findings may facilitate clinical use of COX-2 inhibitor to prevent LBP progression.
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Affiliation(s)
- Qingfeng Ding
- Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical UniversityNanjing, China
| | - Yongxin Ren
- Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical UniversityNanjing, China
| | - Hui Che
- Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical UniversityNanjing, China
| | - Cheng Ma
- Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical UniversityNanjing, China
| | - Huiwu Li
- Department of Orthopaedics, The Ninth Hospital of Shanghai Jiaotong UniversityShanghai, China
| | - Suojing Yu
- Institute of Orthopaedic Research, Zhejiang University of Traditional Chinese MedicineZhejiang, China
| | - Yejia Zhang
- Department of Physical Medicine & Rehabilitation and Orthopedic Surgery, Perelman School of Medicine, University of PennsylvaniaUSA
| | - Howard An
- Department of Orthopaedics, Rush University Medical CenterChicago, USA
| | - Regis J O’Keefe
- Department of Orthopaedics, Washington University at St. LouisUSA
| | - Di Chen
- Department of Biochemistry, Rush University Medical CenterChicago, USA
| | - Joel A Block
- Division of Rheumatology, Rush University Medical CenterChicago, USA
| | - Guoyong Yin
- Department of Orthopaedics, The First Affiliated Hospital of Nanjing Medical UniversityNanjing, China
| | - Tianfang Li
- Department of Biochemistry, Rush University Medical CenterChicago, USA
- Department of Rheumatology, The First Affiliated Hospital, Zhengzhou UniversityZhengzhou, China
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Feng Z, Li X, Lin J, Zheng W, Hu Z, Xuan J, Ni W, Pan X. Oleuropein inhibits the IL-1β-induced expression of inflammatory mediators by suppressing the activation of NF-κB and MAPKs in human osteoarthritis chondrocytes. Food Funct 2018; 8:3737-3744. [PMID: 28952621 DOI: 10.1039/c7fo00823f] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Osteoarthritis (OA) is the most common form of joint disease and is widespread in the elderly population and is characterized by erosion of articular cartilage, subchondral bone sclerosis and synovitis. Oleuropein (OL), a secoiridoid, is considered as the most prevalent phenolic component in olive leaves and seeds, pulp and peel of unripe olives and has been shown to have potent anti-inflammatory effects. However, its effects on OA have not been clearly elucidated. This study aimed to assess the effect of OL on human OA chondrocytes. Human OA chondrocytes were pretreated with OL (10, 50 and 100 μM) for 2 h and subsequently stimulated with IL-1β for 24 h. The production of NO, PGE2, MMP-1, MMP-13, and ADAMTS-5 was evaluated by the Griess reaction and ELISA assays. The messenger RNA (mRNA) expression of COX-2, iNOS, MMP-1, MMP13, ADAMTS-5, aggrecan, and collagen-II was measured by using real-time PCR. The protein expressions of COX-2, iNOS, p65, IκB-α, JNK, p-JNK, ERK, p-ERK, p38, and p-p38 were tested by using western blot. We found that OL significantly inhibited the IL-1β-induced production of NO and PGE2; expression of COX-2, iNOS, MMP-1, MMP-13, and ADAMTS-5; and degradation of aggrecan and collagen-II. Furthermore, OL dramatically suppressed IL-1β-stimulated NF-κB and MAPK activation. Immunofluorescence staining demonstrated that OL could suppress IL-1β-induced phosphorylation of p65 nuclear translocation. These results indicate that the therapeutic effect of OL on OA is accomplished through the inhibition of both NF-κB and MAPK signaling pathways. Altogether, our findings provide the evidence to develop OL as a potential therapeutic agent for patients with OA.
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Affiliation(s)
- Zhenhua Feng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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Pitale PM, Gorbatyuk O, Gorbatyuk M. Neurodegeneration: Keeping ATF4 on a Tight Leash. Front Cell Neurosci 2017; 11:410. [PMID: 29326555 PMCID: PMC5736573 DOI: 10.3389/fncel.2017.00410] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/05/2017] [Indexed: 12/15/2022] Open
Abstract
Activation of the endoplasmic reticulum (ER) stress and ER stress response, also known as the unfolded protein response (UPR), is common to various degenerative disorders. Therefore, signaling components of the UPR are currently emerging as potential targets for intervention and treatment of human diseases. One UPR signaling member, activating transcription factor 4 (ATF4), has been found up-regulated in many pathological conditions, pointing to therapeutic potential in targeting its expression. In cells, ATF4 governs multiple signaling pathways, including autophagy, oxidative stress, inflammation, and translation, suggesting a multifaceted role of ATF4 in the progression of various pathologies. However, ATF4 has been shown to trigger both pro-survival and pro-death pathways, and this, perhaps, can explain the contradictory opinions in current literature regarding targeting ATF4 for clinical application. In this review, we summarized recent published studies from our labs and others that focus on the therapeutic potential of the strategy controlling ATF4 expression in different retinal and neurodegenerative disorders.
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Affiliation(s)
- Priyamvada M Pitale
- Department of Optometry and Vision Science, School of Optometry, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Oleg Gorbatyuk
- Department of Optometry and Vision Science, School of Optometry, University of Alabama at Birmingham, Birmingham, AL, United States.,Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Marina Gorbatyuk
- Department of Optometry and Vision Science, School of Optometry, University of Alabama at Birmingham, Birmingham, AL, United States
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Wortel IMN, van der Meer LT, Kilberg MS, van Leeuwen FN. Surviving Stress: Modulation of ATF4-Mediated Stress Responses in Normal and Malignant Cells. Trends Endocrinol Metab 2017; 28:794-806. [PMID: 28797581 PMCID: PMC5951684 DOI: 10.1016/j.tem.2017.07.003] [Citation(s) in RCA: 351] [Impact Index Per Article: 50.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 07/06/2017] [Accepted: 07/10/2017] [Indexed: 01/14/2023]
Abstract
Activating transcription factor 4 (ATF4) is a stress-induced transcription factor that is frequently upregulated in cancer cells. ATF4 controls the expression of a wide range of adaptive genes that allow cells to endure periods of stress, such as hypoxia or amino acid limitation. However, under persistent stress conditions, ATF4 promotes the induction of apoptosis. Recent advances point to a role for post-translational modifications (PTMs) and epigenetic mechanisms in balancing these pro- and anti-survival effects of ATF4. We review here how PTMs and epigenetic modifiers associated with ATF4 may be exploited by cancer cells to cope with cellular stress conditions that are intrinsically associated with tumor growth. Identification of mechanisms that modulate ATF4-mediated transcription and its effects on cellular metabolism may uncover new targets for cancer treatment.
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Affiliation(s)
- Inge M N Wortel
- Laboratory of Pediatric Oncology, Radboud Institute for Molecular Life Science, Radboud university medical center, Nijmegen, The Netherlands; Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Laurens T van der Meer
- Laboratory of Pediatric Oncology, Radboud Institute for Molecular Life Science, Radboud university medical center, Nijmegen, The Netherlands
| | - Michael S Kilberg
- Department of Biochemistry and Molecular Biology, University of Florida College of Medicine, Gainesville, FL 32610-0245, USA.
| | - Frank N van Leeuwen
- Laboratory of Pediatric Oncology, Radboud Institute for Molecular Life Science, Radboud university medical center, Nijmegen, The Netherlands.
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Rajaram S, Patel S, Uggini GK, Desai I, Balakrishnan S. BMP signaling regulates the skeletal and connective tissue differentiation during caudal fin regeneration in sailfin molly (Poecilia latipinna). Dev Growth Differ 2017; 59:629-638. [PMID: 28898414 DOI: 10.1111/dgd.12392] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 07/22/2017] [Accepted: 08/05/2017] [Indexed: 12/24/2022]
Abstract
Caudal fin regeneration in sailfin molly, Poecilia latipinna (Lesueur 1821) involves an initial wound healing stage, followed by blastema that is formed of fast proliferating cells. In order to replicate the lost fin, correct differentiation of the blastemal cells into various tissues is the prime essence. Among the molecular signals governing proper differentiation of blastemal cells, members of the bone morphogenetic protein (BMP) family are crucial. Herein, we investigated the specific effects of inhibition of BMP signaling using LDN193189 on skeletal and connective tissue formation in the regenerating tail fin of P. latipinna during early differentiation phase. It was observed that BMP inhibition leads to reduction in the length of regeneration, which can be correlated with compromised proliferation of blastemal cells. Decreased expression of cell proliferation marker like pcna together with reduced BrdU positive cells consolidate the above observation. Further, histological analysis revealed stunted progression of skeletal tissues and this correlated with the reduced expression of sox9, runx2 and dlx5, Osc and Osn genes in response to BMP inhibition. Also, defective bone patterning was observed due to BMP inhibition, which was associated with diminished levels of shh, ptc-1, gli2 and other BMP ligands. Moreover, histochemical analysis revealed that collagen, one of the most prominent components of connective tissue, was formed below par in treated fin tissues which was subsequently confirmed by biochemical and transcript level analyses. Overall our results highlight the importance of the BMP pathway in proper differentiation of skeletal and connective tissues during the differentiation stage of regenerating caudal fin.
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Affiliation(s)
- Shailja Rajaram
- Department of Zoology, Faculty of Science, The M. S. University of Baroda, Vadodara, 390002, India
| | - Sonam Patel
- Department of Zoology, Faculty of Science, The M. S. University of Baroda, Vadodara, 390002, India
| | - Gowri Kumari Uggini
- Department of Zoology, Faculty of Science, The M. S. University of Baroda, Vadodara, 390002, India
| | - Isha Desai
- N. V. Patel College of Pure and Applied Sciences, VallabhVidhya Nagar, 388120, Anand, India
| | - Suresh Balakrishnan
- Department of Zoology, Faculty of Science, The M. S. University of Baroda, Vadodara, 390002, India
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28
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Zhang LB, Man ZT, Li W, Zhang W, Wang XQ, Sun S. Calcitonin protects chondrocytes from lipopolysaccharide-induced apoptosis and inflammatory response through MAPK/Wnt/NF-κB pathways. Mol Immunol 2017; 87:249-257. [PMID: 28514714 DOI: 10.1016/j.molimm.2017.05.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Revised: 04/28/2017] [Accepted: 05/01/2017] [Indexed: 10/19/2022]
Abstract
Calcitonin (CT) is an anti-absorbent, which has long been used for treatment of osteoporosis. However, little information is available about the effects of CT on osteoarthritis (OA). This study was mainly aimed to explore the effects of CT on the treatment of OA, as well as the underlying mechanisms. Chondrocytes were isolated from immature mice and then were incubated with lipopolysaccharide (LPS), CT, small interfering (si) RNA against bone morphogenetic protein (BMP)-2, and/or the inhibitors of MAPK/Wnt/NF-κB pathway. Thereafter, cell viability, apoptosis, nitric oxide (NO) and inflammatory factors productions, and expression levels of cartilage synthesis protein key factors, cartilage-derived morphogenetic protein (CDMP) 1, SRY (sex-determining region Y)-box 9 protein (SOX9), and MAPK/Wnt/NF-κB pathways key factors were determined. CT significantly reversed LPS-induced cell viability decrease, apoptosis increase, the inflammatory factors and NO secretion, the abnormally expression of cartilage synthesis proteins and the activation of MAPK/Wnt/NF-κB pathways (P<0.05). In addition, we observed that administration of the inhibitors of MAPK/Wnt/NF-κB pathways statistically further increased the levels of CDMP1 and SOX9 (P<0.05). Suppression of BMP-2 decreased the levels of CDMP1 and SOX9 and activated MAPK/Wnt/NF-κB pathways, and could partially abolish CT-modulated the expression changes in CDMP1 and SOX9, and MAPK/Wnt/NF-κB pathways key factors (P<0.05). The results showed that CT protects chondrocytes from LPS-induced apoptosis and inflammatory response by regulating BMP-2 and thus blocking MAPK/Wnt/NF-κB pathways.
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Affiliation(s)
- Lai-Bo Zhang
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Zhen-Tao Man
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Wei Li
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Wei Zhang
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Xian-Quan Wang
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China
| | - Shui Sun
- Department of Bone and Joint, Shandong Provincial Hospital Affiliated to Shandong University, Jinan 250021, China.
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Hughes A, Oxford AE, Tawara K, Jorcyk CL, Oxford JT. Endoplasmic Reticulum Stress and Unfolded Protein Response in Cartilage Pathophysiology; Contributing Factors to Apoptosis and Osteoarthritis. Int J Mol Sci 2017; 18:ijms18030665. [PMID: 28335520 PMCID: PMC5372677 DOI: 10.3390/ijms18030665] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Revised: 03/15/2017] [Accepted: 03/16/2017] [Indexed: 12/11/2022] Open
Abstract
Chondrocytes of the growth plate undergo apoptosis during the process of endochondral ossification, as well as during the progression of osteoarthritis. Although the regulation of this process is not completely understood, alterations in the precisely orchestrated programmed cell death during development can have catastrophic results, as exemplified by several chondrodystrophies which are frequently accompanied by early onset osteoarthritis. Understanding the mechanisms that underlie chondrocyte apoptosis during endochondral ossification in the growth plate has the potential to impact the development of therapeutic applications for chondrodystrophies and associated early onset osteoarthritis. In recent years, several chondrodysplasias and collagenopathies have been recognized as protein-folding diseases that lead to endoplasmic reticulum stress, endoplasmic reticulum associated degradation, and the unfolded protein response. Under conditions of prolonged endoplasmic reticulum stress in which the protein folding load outweighs the folding capacity of the endoplasmic reticulum, cellular dysfunction and death often occur. However, unfolded protein response (UPR) signaling is also required for the normal maturation of chondrocytes and osteoblasts. Understanding how UPR signaling may contribute to cartilage pathophysiology is an essential step toward therapeutic modulation of skeletal disorders that lead to osteoarthritis.
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Affiliation(s)
- Alexandria Hughes
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA.
- Biomolecular Research Center, Boise State University, Boise, ID 83725, USA.
| | - Alexandra E Oxford
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA.
- Biomolecular Research Center, Boise State University, Boise, ID 83725, USA.
| | - Ken Tawara
- Biomolecular Sciences Graduate Program, Boise State University, Boise, ID 83725, USA.
- Biomolecular Research Center, Boise State University, Boise, ID 83725, USA.
| | - Cheryl L Jorcyk
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA.
- Biomolecular Sciences Graduate Program, Boise State University, Boise, ID 83725, USA.
- Biomolecular Research Center, Boise State University, Boise, ID 83725, USA.
| | - Julia Thom Oxford
- Department of Biological Sciences, Boise State University, Boise, ID 83725, USA.
- Biomolecular Sciences Graduate Program, Boise State University, Boise, ID 83725, USA.
- Biomolecular Research Center, Boise State University, Boise, ID 83725, USA.
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30
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Butein inhibits IL-1β-induced inflammatory response in human osteoarthritis chondrocytes and slows the progression of osteoarthritis in mice. Int Immunopharmacol 2016; 42:1-10. [PMID: 27863298 DOI: 10.1016/j.intimp.2016.11.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Revised: 10/22/2016] [Accepted: 11/11/2016] [Indexed: 12/14/2022]
Abstract
Osteoarthritis (OA) is a progressive degenerative disease characterized by irreversible articular cartilage destruction. Butein, a polyphenolic compound isolated from the stem bark of cashews and Rhus verniciflua Stokes, has been reported to have anti-inflammatory effects. This study aimed to assess the effect of butein on human OA chondrocytes and mice OA models induced by destabilization of the medial meniscus (DMM). In vitro, human OA chondrocytes were pretreated with butein at 10, 50μM and subsequently stimulated with IL-1β (10ng/ml) for 24h. Production of NO, PGE2, TNF-α and IL-6 was evaluated by the Griess reaction and ELISAs. The mRNA expression of COX-2, iNOS, TNF-α, IL-6, MMP-1, MMP-3, MMP-13, ADAMTS-4, ADAMTS-5, COL-2 and SOX-9 were measured by real-time PCR. The protein expression of COX-2, iNOS, MMP-13, COL-2, SOX-9, p65 and IκB-α were detected by Western blot. P65 nuclear translocation was detected by immunofluorescence. In vivo, the severity of OA was determined by histological analysis. We found that butein significantly inhibited the IL-1β-induced production of NO and PGE2, expression of COX-2, iNOS, TNF-α, IL-6 and MMP-13, degradation of COL-2 and SOX-9 at mRNA and protein levels as well as MMP-1, MMP-3, ADAMTS-4 and ADAMTS-5 gene expression. Furthermore, butein dramatically suppressed IL-1β-stimulated IκB-α degradation and NF-kB p65 activation. In vivo, the cartilage in butein-treated mice exhibited less Safranin O loss, cartilage erosion and lower OARSI scores. Butein also reduced subchondral bone plate thickness and alleviated synovitis. Taken together, these findings indicate that butein may be a potential agent in the treatment of OA.
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Liu X, Li M, Zhu Y, Yeung KWK, Chu PK, Wu S. The modulation of stem cell behaviors by functionalized nanoceramic coatings on Ti-based implants. Bioact Mater 2016; 1:65-76. [PMID: 29744396 PMCID: PMC5883996 DOI: 10.1016/j.bioactmat.2016.09.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 09/01/2016] [Accepted: 09/01/2016] [Indexed: 12/25/2022] Open
Abstract
Nanoceramic coating on the surface of Ti-based metallic implants is a clinical potential option in orthopedic surgery. Stem cells have been found to have osteogenic capabilities. It is necessary to study the influences of functionalized nanoceramic coatings on the differentiation and proliferation of stem cells in vitro or in vivo. In this paper, we summarized the recent advance on the modulation of stem cells behaviors through controlling the properties of nanoceramic coatings, including surface chemistry, surface roughness and microporosity. In addition, mechanotransduction pathways have also been discussed to reveal the interaction mechanisms between the stem cells and ceramic coatings on Ti-based metals. In the final part, the osteoinduction and osteoconduction of ceramic coating have been also presented when it was used as carrier of BMPs in new bone formation. The effects of basic physical properties like roughness, topography and porous stucture of ceramic coatings on the stem cells behaviors on Ti-based alloys have been reviewed together. The chemical way to modulate the cell behaviors is also discussed in this review paper; and the related mechanotransduction pathways have been described in this paper.
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Affiliation(s)
- Xiangmei Liu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Faculty of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Man Li
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Faculty of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Yizhou Zhu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Faculty of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - K W K Yeung
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, 1 Haiyuan 1st Road, Futian District, Shenzhen, China.,Division of Spine Surgery, Department of Orthopaedics & Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Paul K Chu
- Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Shuilin Wu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Faculty of Materials Science & Engineering, Hubei University, Wuhan 430062, China
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32
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Wang P, Li SS, Wang XH. Myricetin Exerts Anti-osteoarthritic Effects in IL-1β Stimulated SW1353 Cells via Regulating Matrix Metalloproteinases and Modulating JNK/P38MAPK/Ap-1/c-Fos and JAK/STAT Signalling. INT J PHARMACOL 2016. [DOI: 10.3923/ijp.2016.440.450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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33
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Pourtaheri S, Hwang K, Faloon M, Issa K, Mease SJ, Mangels D, Sinha K, Emami A. Ultra-low-dose recombinant human bone morphogenetic protein-2 for 3-level anterior cervical diskectomy and fusion. Orthopedics 2015; 38:241-5. [PMID: 25901613 DOI: 10.3928/01477447-20150402-04] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 02/16/2015] [Indexed: 02/03/2023]
Abstract
This study evaluated the safety of 3-level anterior cervical diskectomy and fusion (ACDF) with ultra-low-dose recombinant bone morphogenetic protein-2 (rhBMP-2). Thirty-seven consecutive patients with cervical spondylotic myelopathy who were treated with 3-level ACDF and rhBMP-2 were evaluated. Complications such as airway or cervical swelling or hematoma were not observed. The rate of dysphagia was no different at 1, 2, and 6 months postoperatively compared with reports in the literature without rhBMP-2. There were significant improvements in VAS neck/arm pain, Oswestry Neck Disability Index, and cervical lordosis. The use of ultra-low-dose rhBMP-2 for 3-level ACDF may be efficacious for surgically addressing 3-level spondylotic myelopathy.
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Piao T, Ma Z, Li X, Liu J. Taraxasterol inhibits IL-1β-induced inflammatory response in human osteoarthritic chondrocytes. Eur J Pharmacol 2015; 756:38-42. [PMID: 25797286 DOI: 10.1016/j.ejphar.2015.03.012] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 02/26/2015] [Accepted: 03/03/2015] [Indexed: 12/25/2022]
Abstract
Osteoarthritis (OA), a chronic degenerative joint disease, is a leading cause of disability among elderly patients. Taraxasterol, a pentacyclic-triterpene isolated from Taraxacum officinale, has been shown to have anti-inflammatory effects. However, the protective effect of taraxasterol on OA remains unclear. In order to provide a scientific basis for the applicability of taraxasterol in OA, the anti-inflammatory effects of taraxasterol on IL-1β-stimulated osteoarthritic chondrocytes were investigated. Chondrocytes were pretreated with taraxasterol 1h before IL-1β treatment. The productions of MMP-1, MMP3, MMP13, PGE2 and NO were measured by ELISA and Griess reaction. The expression of COX-2, iNOS, and NF-κB was detected by western blot analysis. Our results demonstrated that taraxasterol dose-dependently suppressed MMP-1, MMP3, MMP13, PGE2 and NO production induced by IL-1β. The expression of COX-2 and iNOS was also inhibited by taraxasterol. Western blot analysis showed that taraxasterol suppressed IL-1β-induced NF-κB activation in a dose-dependent manner. Taken together, we found that taraxasterol protected human chondrocytes by inhibiting MMPs, NO and PGE2 production. Taraxasterol may be a useful agent for prevention and treatment of OA.
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Affiliation(s)
- Taikui Piao
- Children׳s Hospital of Harbin, Harbin, Heilongjiang Province 150010, People׳s Republic of China
| | - Zhiqiang Ma
- Department of Orthopedic Surgery, the Second Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, People׳s Republic of China
| | - Xin Li
- Children׳s Hospital of Harbin, Harbin, Heilongjiang Province 150010, People׳s Republic of China
| | - Jianyu Liu
- Department of Orthopedic Surgery, the Second Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, People׳s Republic of China.
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Astragalin inhibits IL-1β-induced inflammatory mediators production in human osteoarthritis chondrocyte by inhibiting NF-κB and MAPK activation. Int Immunopharmacol 2015; 25:83-7. [PMID: 25637445 DOI: 10.1016/j.intimp.2015.01.018] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Revised: 01/06/2015] [Accepted: 01/20/2015] [Indexed: 12/20/2022]
Abstract
Astragalin, a bioactive component isolated from Rosa agrestis, has been described to exhibit anti-inflammatory activity. The aim of this study was to investigate the anti-inflammatory effects and the underlying mechanisms of astragalin on IL-1β-stimulated human osteoarthritis chondrocyte. The production of NO and PGE2 was detected by Griess reaction and ELISA. The expression of iNOS and COX-2 was detected by western blotting. The expression of NF-κB and MAPKs was detected by western blot analysis. We found that astragalin dose-dependently inhibited IL-1β-induced NO and PGE2 production, as well as iNOS and COX-2 expression. Meanwhile, western blot analysis showed that astragalin inhibited IL-1β-induced NF-κB and MAPK activation in human osteoarthritis chondrocyte. In addition, astragalin was found to activate PPAR-γ. The inhibition of astragalin on IL-1β-induced NO and PGE2 production can be reversed by PPAR-γ antagonist GW9662. Astragalin suppressed IL-1β-induced inflammatory mediators via activating PPAR-γ, which subsequently inhibited IL-1β-induced NF-κB and MAPK activation. Astragalin may be a potential agent in the treatment of osteoarthritis.
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36
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Rubovitch V, Barak S, Rachmany L, Goldstein RB, Zilberstein Y, Pick CG. The Neuroprotective Effect of Salubrinal in a Mouse Model of Traumatic Brain Injury. Neuromolecular Med 2015; 17:58-70. [DOI: 10.1007/s12017-015-8340-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 01/06/2015] [Indexed: 12/15/2022]
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