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Liu F, Liang Q, Li L, Gong Y, Li M, Feng L, Chen A, Ye Y, Lan Z, Li Y, Ou JS, Lu L, Yan J. Thrombospondin-1 binds to integrin β3 to inhibit vascular calcification through suppression of NF-κB pathway. J Pathol 2025; 266:109-123. [PMID: 40084742 DOI: 10.1002/path.6417] [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: 06/16/2024] [Revised: 01/01/2025] [Accepted: 02/12/2025] [Indexed: 03/16/2025]
Abstract
Vascular calcification is an important risk factor related to all-cause mortality of cardiovascular events in patients with chronic kidney disease (CKD). Vascular extracellular matrix (ECM) proteins have been demonstrated to regulate vascular calcification. ECM protein thrombospondin 1 (THBS1/TSP-1) plays a critical role in the regulation of vascular diseases. However, whether THBS1 is involved in vascular calcification in CKD patients remains unclear. In this study, RNA sequencing datasets from the Gene Expression Omnibus (GEO) database GSE146638 showed that THBS1 was upregulated in the aortas of CKD rats. Enzyme-linked immunosorbent assay (elisa) revealed that serum THBS1 levels were increased in CKD patients with thoracic calcification. Western blotting and immunofluorescence analysis showed that THBS1 expression was increased in calcified vascular smooth muscle cells (VSMCs) and arteries. THBS1 knockdown exacerbated rat VSMC calcification induced by high phosphorus and calcium, as shown by Alizarin red staining and calcium content assays. Conversely, THBS1 overexpression attenuated VSMC calcification and abdominal aortic calcification in rats with CKD. Moreover, addition of recombinant THBS1 protein inhibited calcification of VSMCS and human arterial rings. Smooth muscle cell-specific knockout of THBS1 mice treated with vitamin D3 displayed aggravated aortic calcification. Mechanistically, the protein-protein interaction database STRING (http://string-db.org/) analysis and coimmunoprecipitation assays revealed THBS1 bound to integrin β3. Reduction of integrin β3 levels abrogated the protective effect of THBS1 on vascular calcification. RNA-seq analysis revealed that THBS1 overexpression modulated the nuclear factor-kappa B (NF-κB) signaling pathway. Of note, the inhibitory effect of THBS1 overexpression on the NF-κB signal was abolished by knockdown of integrin β3. In conclusion, THBS1 interacts with integrin β3 to inhibit vascular calcification through suppression of NF-κB signal, suggesting a promising therapeutic target for vascular calcification in CKD. © 2025 The Pathological Society of Great Britain and Ireland.
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MESH Headings
- Thrombospondin 1/metabolism
- Thrombospondin 1/genetics
- Animals
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
- Vascular Calcification/genetics
- Vascular Calcification/prevention & control
- Humans
- NF-kappa B/metabolism
- Signal Transduction
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Integrin beta3/metabolism
- Integrin beta3/genetics
- Male
- Renal Insufficiency, Chronic/metabolism
- Renal Insufficiency, Chronic/complications
- Renal Insufficiency, Chronic/pathology
- Renal Insufficiency, Chronic/genetics
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Rats
- Mice
- Rats, Sprague-Dawley
- Disease Models, Animal
- Cells, Cultured
- Mice, Inbred C57BL
- Female
- Middle Aged
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Affiliation(s)
- Fang Liu
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Qingchun Liang
- Department of Anesthesiology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, PR China
| | - Li Li
- Department of Cardiology, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, PR China
| | - Yuan Gong
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Mingxi Li
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, PR China
| | - Liyun Feng
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - An Chen
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Yuanzhi Ye
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Zirong Lan
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Yining Li
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
| | - Jing-Song Ou
- Division of Cardiac Surgery, National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, NHC Key Laboratory of Assisted Circulation, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, PR China
| | - Lihe Lu
- Department of Pathophysiology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, PR China
| | - Jianyun Yan
- Department of Cardiology, Laboratory of Heart Center, Heart Center, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation; Guangdong Provincial Biomedical Engineering Technology Research Center for Cardiovascular Disease, Guangzhou, PR China
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Ehrnsperger M, Taheri S, Pann P, Schilling AF, Grässel S. Differential effects of alendronate on chondrocytes, cartilage matrix and subchondral bone structure in surgically induced osteoarthritis in mice. Sci Rep 2024; 14:25026. [PMID: 39443554 PMCID: PMC11500094 DOI: 10.1038/s41598-024-75758-7] [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: 02/12/2024] [Accepted: 10/08/2024] [Indexed: 10/25/2024] Open
Abstract
Bisphosphonates (BP) are considered a treatment option for osteoarthritis (OA) due to reduction of OA-induced microtrauma in the bone marrow, stabilization of subchondral bone (SB) layer and pain reduction. The effects of high-dose alendronate (ALN) treatment on SB and articular cartilage after destabilization of the medial meniscus (DMM) or Sham surgery of male C57Bl/6J mice were analyzed. We performed serum analysis; histology and immunohistochemistry to assess the severity of OA and a possible pain symptomatology. Subsequently, the ratio of bone volume to total volume (BV/TV), epiphyseal trabecular morphology and the bone mineral density (BMD) was analyzed by nanoCT. Serum analysis revealed a reduction of ADAMTS5 level. The histological evaluation displayed no protective effect of ALN-treatment on cartilage erosion. NanoCT-analysis of the medial epiphysis revealed an increase of BV/TV in ALN-treated mice. Only the DMM group had significantly higher SB volume accompanied by decreased subchondral bone surface. Furthermore Nano-CT analysis revealed an increase in trabecular density and number, a decreased BMD and reduced osteophyte formation in the ALN mice. ALN treatment affected bone micro-architecture by reducing osteophytosis with simultaneous increasing subchondral bone plate thickness, trabecular thickness and BMD. Accordingly, ALN cannot be considered as a potential treatment strategy in general, however in a subgroup of patients with high bone turnover in an early-stage of OA, ALN might be an option when applied during a restricted time frame.
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Affiliation(s)
- Marianne Ehrnsperger
- Clinic of Orthopedic Surgery, Exp. Orthopedics, University of Regensburg, ZMB im Biopark 1, Am Biopark 9, Regensburg, Germany
| | - Shahed Taheri
- Department of Trauma Surgery, Orthopedics and Plastic Surgery, University Medicine Göttingen, Göttingen, Germany
| | - Patrick Pann
- Clinic of Orthopedic Surgery, Exp. Orthopedics, University of Regensburg, ZMB im Biopark 1, Am Biopark 9, Regensburg, Germany
| | - Arndt F Schilling
- Department of Trauma Surgery, Orthopedics and Plastic Surgery, University Medicine Göttingen, Göttingen, Germany
| | - Susanne Grässel
- Clinic of Orthopedic Surgery, Exp. Orthopedics, University of Regensburg, ZMB im Biopark 1, Am Biopark 9, Regensburg, Germany.
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Trompet D, Melis S, Chagin AS, Maes C. Skeletal stem and progenitor cells in bone development and repair. J Bone Miner Res 2024; 39:633-654. [PMID: 38696703 DOI: 10.1093/jbmr/zjae069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 05/04/2024]
Abstract
Bone development, growth, and repair are complex processes involving various cell types and interactions, with central roles played by skeletal stem and progenitor cells. Recent research brought new insights into the skeletal precursor populations that mediate intramembranous and endochondral bone development. Later in life, many of the cellular and molecular mechanisms determining development are reactivated upon fracture, with powerful trauma-induced signaling cues triggering a variety of postnatal skeletal stem/progenitor cells (SSPCs) residing near the bone defect. Interestingly, in this injury context, the current evidence suggests that the fates of both SSPCs and differentiated skeletal cells can be considerably flexible and dynamic, and that multiple cell sources can be activated to operate as functional progenitors generating chondrocytes and/or osteoblasts. The combined implementation of in vivo lineage tracing, cell surface marker-based cell selection, single-cell molecular analyses, and high-resolution in situ imaging has strongly improved our insights into the diversity and roles of developmental and reparative stem/progenitor subsets, while also unveiling the complexity of their dynamics, hierarchies, and relationships. Albeit incompletely understood at present, findings supporting lineage flexibility and possibly plasticity among sources of osteogenic cells challenge the classical dogma of a single primitive, self-renewing, multipotent stem cell driving bone tissue formation and regeneration from the apex of a hierarchical and strictly unidirectional differentiation tree. We here review the state of the field and the newest discoveries in the origin, identity, and fates of skeletal progenitor cells during bone development and growth, discuss the contributions of adult SSPC populations to fracture repair, and reflect on the dynamism and relationships among skeletal precursors and differentiated cell lineages. Further research directed at unraveling the heterogeneity and capacities of SSPCs, as well as the regulatory cues determining their fate and functioning, will offer vital new options for clinical translation toward compromised fracture healing and bone regenerative medicine.
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Affiliation(s)
- Dana Trompet
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
- Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, 40530 Gothenburg, Sweden
- Department of Physiology and Pharmacology, Karolinska Institute, 17177 Stockholm, Sweden
| | - Seppe Melis
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Andrei S Chagin
- Centre for Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, 40530 Gothenburg, Sweden
- Department of Physiology and Pharmacology, Karolinska Institute, 17177 Stockholm, Sweden
| | - Christa Maes
- Laboratory of Skeletal Cell Biology and Physiology (SCEBP), Skeletal Biology and Engineering Research Center (SBE), Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
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Genaro K, Luo ZD. Pathophysiological roles of thrombospondin-4 in disease development. Semin Cell Dev Biol 2024; 155:66-73. [PMID: 37391348 PMCID: PMC10753034 DOI: 10.1016/j.semcdb.2023.06.007] [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: 06/11/2023] [Accepted: 06/21/2023] [Indexed: 07/02/2023]
Abstract
Thrombospondin-4 (TSP-4) belongs to the extracellular matrix glycoprotein family of thrombospondins (TSPs). The multidomain, pentameric structure of TSP-4 allows its interactions with numerous extracellular matrix components, proteins and signaling molecules that enable its modulation to various physiological and pathological processes. Characterization of TSP-4 expression under development and pathogenesis of disorders has yielded important insights into mechanisms underlying the unique role of TSP-4 in mediating various processes including cell-cell, cell-extracellular matrix interactions, cell migration, proliferation, tissue remodeling, angiogenesis, and synaptogenesis. Maladaptation of these processes in response to pathological insults and stress can accelerate the development of disorders including skeletal dysplasia, osteoporosis, degenerative joint disease, cardiovascular diseases, tumor progression/metastasis and neurological disorders. Overall, the diverse functions of TSP-4 suggest that it may be a potential marker or therapeutic target for prognosis, diagnosis, and treatment of various pathological conditions upon further investigations. This review article highlights recent findings on the role of TSP-4 in both physiological and pathological conditions with a focus on what sets it apart from other TSPs.
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Affiliation(s)
- Karina Genaro
- Department of Anesthesiology & Perioperative Care, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
| | - Z David Luo
- Department of Anesthesiology & Perioperative Care, School of Medicine, University of California Irvine, Irvine, CA 92697, USA.
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5
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Alford AI, Hankenson KD. Thrombospondins modulate cell function and tissue structure in the skeleton. Semin Cell Dev Biol 2024; 155:58-65. [PMID: 37423854 PMCID: PMC11115190 DOI: 10.1016/j.semcdb.2023.06.011] [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: 06/22/2023] [Accepted: 06/29/2023] [Indexed: 07/11/2023]
Abstract
Thrombospondins (TSPs) belong to a functional class of ECM proteins called matricellular proteins that are not primarily structural, but instead influence cellular interactions within the local extracellular environment. The 3D arrangement of TSPs allow interactions with other ECM proteins, sequestered growth factors, and cell surface receptors. They are expressed in mesenchymal condensations and limb buds during skeletal development, but they are not required for patterning. Instead, when absent, there are alterations in musculoskeletal connective tissue ECM structure, organization, and function, as well as altered skeletal cell phenotypes. Both functional redundancies and unique contributions to musculoskeletal tissue structure and physiology are revealed in mouse models with compound TSP deletions. Crucial roles of individual TSPs are revealed during musculoskeletal injury and regeneration. The interaction of TSPs with mesenchymal stem cells (MSC), and their influence on cell fate, function, and ultimately, musculoskeletal phenotype, suggest that TSPs play integral, but as yet poorly understood roles in musculoskeletal health. Here, unique and overlapping contributions of trimeric TSP1/2 and pentameric TSP3/4/5 to musculoskeletal cell and matrix physiology are reviewed. Opportunities for new research are also noted.
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Affiliation(s)
- Andrea I Alford
- Department of Orthopaedic Surgery, University of Michigan School of Medicine, A. Alfred Taubman Biomedical Sciences Research Building, Ann Arbor, MI 48109, United States.
| | - Kurt D Hankenson
- Department of Orthopaedic Surgery, University of Michigan School of Medicine, A. Alfred Taubman Biomedical Sciences Research Building, Ann Arbor, MI 48109, United States
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Aleksiuk V, Baleisis J, Kirdaite G, Uzieliene I, Denkovskij J, Bernotas P, Ivaskiene T, Mobasheri A, Bernotiene E. Evaluation of Cartilage Integrity Following Administration of Oral and Intraarticular Nifedipine in a Murine Model of Osteoarthritis. Biomedicines 2023; 11:2443. [PMID: 37760884 PMCID: PMC10526042 DOI: 10.3390/biomedicines11092443] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Osteoarthritis (OA) ranks as the prevailing type of arthritis on a global scale, for which no effective treatments are currently available. Arterial hypertension is a common comorbidity in OA patients, and antihypertensive drugs, such as nifedipine (NIF), may affect the course of OA progression. The aim of this preclinical study was to determine the effect of nifedipine on healthy and OA cartilage, depending on its route of administration. In this study, we used the destabilization of medial meniscus to develop a mouse model of OA. Nifedipine was applied per os or intraarticularly (i.a.) for 8 weeks to both mice with OA and healthy animals. Serum biomarker concentrations were evaluated using the Luminex platform and alterations in the knee cartilage were graded according to OARSI histological scores and investigated immunohistochemically. Nifedipine treatment per os and i.a. exerted protective effects, as assessed by the OARSI histological scores. However, long-term nifedipine i.a. injections induced the deterioration of healthy cartilage. Lubricin, cartilage intermediate layer matrix protein (CILP), collagen type VI (COLVI), CILP, and Ki67 were upregulated by the nifedipine treatment. Serum biomarkers MMP-3, thrombospondin-4, and leptin were upregulated in the healthy groups treated with nifedipine, while only the levels of MMP-3 were significantly higher in the OA group treated with nifedipine per os compared to the untreated group. In conclusion, this study highlights the differential effects of nifedipine on cartilage integrity, depending on the route of administration and cartilage condition.
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Affiliation(s)
- Viktorija Aleksiuk
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
| | - Justinas Baleisis
- Department of Biomodels, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania;
| | - Gailute Kirdaite
- Department of Experimental, Preventive and Clinical Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania;
| | - Ilona Uzieliene
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
| | - Jaroslav Denkovskij
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
| | - Paulius Bernotas
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
| | - Tatjana Ivaskiene
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
| | - Ali Mobasheri
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, 90014 Oulu, Finland
- World Health Organization Collaborating Center for Public Health Aspects of Musculoskeletal Health and Aging, Université de Liège, B-4000 Liège, Belgium
- Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Eiva Bernotiene
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania; (I.U.); (J.D.); (P.B.); (T.I.); (A.M.); (E.B.)
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Cárdenas-León CG, Mäemets-Allas K, Klaas M, Lagus H, Kankuri E, Jaks V. Matricellular proteins in cutaneous wound healing. Front Cell Dev Biol 2022; 10:1073320. [PMID: 36506087 PMCID: PMC9730256 DOI: 10.3389/fcell.2022.1073320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022] Open
Abstract
Cutaneous wound healing is a complex process that encompasses alterations in all aspects of the skin including the extracellular matrix (ECM). ECM consist of large structural proteins such as collagens and elastin as well as smaller proteins with mainly regulative properties called matricellular proteins. Matricellular proteins bind to structural proteins and their functions include but are not limited to interaction with cell surface receptors, cytokines, or protease and evoking a cellular response. The signaling initiated by matricellular proteins modulates differentiation and proliferation of cells having an impact on the tissue regeneration. In this review we give an overview of the matricellular proteins that have been found to be involved in cutaneous wound healing and summarize the information known to date about their functions in this process.
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Affiliation(s)
| | - Kristina Mäemets-Allas
- Department of Cell Biology, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Mariliis Klaas
- Department of Cell Biology, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Heli Lagus
- Department of Plastic Surgery and Wound Healing Centre, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Esko Kankuri
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Viljar Jaks
- Department of Cell Biology, Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia,Dermatology Clinic, Tartu University Clinics, Tartu, Estonia,*Correspondence: Viljar Jaks,
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Abstract
PURPOSE OF REVIEW The periosteum, the outer layer of bone, is a major source of skeletal stem/progenitor cells (SSPCs) for bone repair. Here, we discuss recent findings on the characterization, role, and regulation of periosteal SSPCs (pSSPCs) during bone regeneration. RECENT FINDINGS Several markers have been described for pSSPCs but lack tissue specificity. In vivo lineage tracing and transcriptomic analyses have improved our understanding of pSSPC functions during bone regeneration. Bone injury activates pSSPCs that migrate, proliferate, and have the unique potential to form both bone and cartilage. The injury response of pSSPCs is controlled by many signaling pathways including BMP, FGF, Notch, and Wnt, their metabolic state, and their interactions with the blood clot, nerve fibers, blood vessels, and macrophages in the fracture environment. Periosteal SSPCs are essential for bone regeneration. Despite recent advances, further studies are required to elucidate pSSPC heterogeneity and plasticity that make them a central component of the fracture healing process and a prime target for clinical applications.
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Affiliation(s)
- Simon Perrin
- Univ Paris Est Creteil, INSERM, IMRB, F-94010, Creteil, France
| | - Céline Colnot
- Univ Paris Est Creteil, INSERM, IMRB, F-94010, Creteil, France.
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Szilagyi IA, Vallerga CL, Boer CG, Schiphof D, Ikram MA, Bierma-Zeinstra SMA, van Meurs JBJ. Plasma proteomics identifies CRTAC1 as a biomarker for osteoarthritis severity and progression. Rheumatology (Oxford) 2022; 62:1286-1295. [PMID: 35924962 PMCID: PMC9977119 DOI: 10.1093/rheumatology/keac415] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 07/07/2022] [Accepted: 07/07/2022] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES The aim of this study was to identify biomarkers for radiographic OA severity and progression acting within the inflammation and metabolic pathways. METHODS For 3517 Rotterdam Study participants, 184 plasma protein levels were measured using Olink inflammation and cardiometabolic panels. We studied associations with severity and progression of knee, hip and hand OA and a composite overall OA burden score by multivariable regression models, adjusting for age, sex, cell counts and BMI. RESULTS We found 18 significantly associated proteins for overall OA burden, of which 5 stayed significant after multiple testing correction: circulating cartilage acidic protein 1 (CRTAC1), cartilage oligomeric matrix protein (COMP), thrombospondin 4, IL-18 receptor 1 (IL-18R1) and TNF ligand superfamily member 14. These proteins were also associated with progression of knee OA, with the exception of IL-18R1. The strongest association was found for the level of CRTAC1, with 1 s.d. increase in protein level resulting in an increase of 0.09 (95% CI 0.06, 0.12) in the overall OA Kellgren-Lawrence sum score (P = 2.9 × 10-8) in the model adjusted for age, sex, BMI and cell counts. This association was also present with the severity of OA in all three joints and progression of knee OA and was independent of BMI. We observed a stronger association for CRTAC1 with OA than for the well-known OA biomarker COMP. CONCLUSION We identified several compelling biomarkers reflecting the overall OA burden and the increased risk for OA progression. CRTAC1 was the most compelling and robust biomarker for OA severity and progression. Such a biomarker may be used for disease monitoring.
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Affiliation(s)
| | | | | | | | - M Arfan Ikram
- Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | | | - Joyce B J van Meurs
- Correspondence to: Prof. dr. Joyce B. J. van Meurs, Department of Internal Medicine, Erasmus MC University Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands. E-mail:
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Klaas M, Mäemets-Allas K, Heinmäe E, Lagus H, Cárdenas-León CG, Arak T, Eller M, Kingo K, Kankuri E, Jaks V. Thrombospondin-4 Is a Soluble Dermal Inflammatory Signal That Selectively Promotes Fibroblast Migration and Keratinocyte Proliferation for Skin Regeneration and Wound Healing. Front Cell Dev Biol 2021; 9:745637. [PMID: 34631719 PMCID: PMC8495264 DOI: 10.3389/fcell.2021.745637] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 09/06/2021] [Indexed: 01/05/2023] Open
Abstract
Thrombospondin-4 (THBS4) is a non-structural extracellular matrix molecule associated with tissue regeneration and a variety of pathological processes characterized by increased cell proliferation and migration. However, the mechanisms of how THBS4 regulates cell behavior as well as the pathways contributing to its effects have remained largely unexplored. In the present study we investigated the role of THBS4 in skin regeneration both in vitro and in vivo. We found that THBS4 expression was upregulated in the dermal compartment of healing skin wounds in humans as well as in mice. Application of recombinant THBS4 protein promoted cutaneous wound healing in mice and selectively stimulated migration of primary fibroblasts as well as proliferation of keratinocytes in vitro. By using a combined proteotranscriptomic pathway analysis approach we discovered that β-catenin acted as a hub for THBS4-dependent cell signaling and likely plays a key role in promoting its downstream effects. Our results suggest that THBS4 is an important contributor to wound healing and its incorporation into novel wound healing therapies may be a promising strategy for treatment of cutaneous wounds.
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Affiliation(s)
- Mariliis Klaas
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | | | - Elizabeth Heinmäe
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia
| | - Heli Lagus
- Department of Plastic Surgery and Wound Healing Centre, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | | | - Terje Arak
- Surgery Clinic, Tartu University Hospital, Tartu, Estonia
| | - Mart Eller
- Surgery Clinic, Tartu University Hospital, Tartu, Estonia
| | - Külli Kingo
- Dermatology Clinic, Tartu University Hospital, Tartu, Estonia
| | - Esko Kankuri
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Viljar Jaks
- Institute of Molecular and Cell Biology, University of Tartu, Tartu, Estonia.,Dermatology Clinic, Tartu University Hospital, Tartu, Estonia
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