1
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Zhang TQ, Lv QY, Jin WL. The cellular-centered view of hypoxia tumor microenvironment: Molecular mechanisms and therapeutic interventions. Biochim Biophys Acta Rev Cancer 2024; 1879:189137. [PMID: 38880161 DOI: 10.1016/j.bbcan.2024.189137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 06/01/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024]
Abstract
Cancer is a profoundly dynamic, heterogeneous and aggressive systemic ailment, with a coordinated evolution of various types of tumor niches. Hypoxia plays an indispensable role in the tumor micro-ecosystem, drastically enhancing the plasticity of cancer cells, fibroblasts and immune cells and orchestrating intercellular communication. Hypoxia-induced signals, particularly hypoxia-inducible factor-1α (HIF-1α), drive the reprogramming of genetic, transcriptional, and proteomic profiles. This leads to a spectrum of interconnected processes, including augmented survival of cancer cells, evasion of immune surveillance, metabolic reprogramming, remodeling of the extracellular matrix, and the development of resistance to conventional therapeutic modalities like radiotherapy and chemotherapy. Here, we summarize the latest research on the multifaceted effects of hypoxia, where a multitude of cellular and non-cellular elements crosstalk with each other and co-evolve in a synergistic manner. Additionally, we investigate therapeutic approaches targeting hypoxic niche, encompassing hypoxia-activated prodrugs, HIF inhibitors, nanomedicines, and combination therapies. Finally, we discuss some of the issues to be addressed and highlight the potential of emerging technologies in the treatment of cancer.
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Affiliation(s)
- Tian-Qi Zhang
- Institute of Cancer Neuroscience, Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China; The Second Hospital of Jilin University, Changchun 130041, China
| | - Qian-Yu Lv
- The Second Hospital of Jilin University, Changchun 130041, China
| | - Wei-Lin Jin
- Institute of Cancer Neuroscience, Medical Frontier Innovation Research Center, The First Hospital of Lanzhou University, The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China.
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2
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Carvalheiro T, Marut W, Pascoal Ramos MI, García S, Fleury D, Affandi AJ, Meijers AS, Giovannone B, Tieland RG, Elshof E, Ottria A, Cossu M, Meizlish ML, Veenendaal T, Ramanujam M, Moreno-García ME, Klumperman J, Liv N, Radstake TRDJ, Meyaard L. Impaired LAIR-1-mediated immune control due to collagen degradation in fibrosis. J Autoimmun 2024; 146:103219. [PMID: 38696927 DOI: 10.1016/j.jaut.2024.103219] [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: 11/06/2023] [Revised: 03/10/2024] [Accepted: 03/29/2024] [Indexed: 05/04/2024]
Abstract
Tissue repair is disturbed in fibrotic diseases like systemic sclerosis (SSc), where the deposition of large amounts of extracellular matrix components such as collagen interferes with organ function. LAIR-1 is an inhibitory collagen receptor highly expressed on tissue immune cells. We questioned whether in SSc, impaired LAIR-1-collagen interaction is contributing to the ongoing inflammation and fibrosis. We found that SSc patients do not have an intrinsic defect in LAIR-1 expression or function. Instead, fibroblasts from healthy controls and SSc patients stimulated by soluble factors that drive inflammation and fibrosis in SSc deposit disorganized collagen products in vitro, which are dysfunctional LAIR-1 ligands. This is dependent of matrix metalloproteinases and platelet-derived growth factor receptor signaling. In support of a non-redundant role of LAIR-1 in the control of fibrosis, we found that LAIR-1-deficient mice have increased skin fibrosis in response to repeated injury and in the bleomycin mouse model for SSc. Thus, LAIR-1 represents an essential control mechanism for tissue repair. In fibrotic disease, excessive collagen degradation may lead to a disturbed feedback loop. The presence of functional LAIR-1 in patients provides a therapeutic opportunity to reactivate this intrinsic negative feedback mechanism in fibrotic diseases.
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Affiliation(s)
- Tiago Carvalheiro
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Oncode Institute, Utrecht, the Netherlands
| | - Wioleta Marut
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - M Inês Pascoal Ramos
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Oncode Institute, Utrecht, the Netherlands
| | - Samuel García
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Rheumatology & Immuno-mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, Vigo, Spain
| | - Devan Fleury
- Immunology and Respiratory Diseases Research, Boehringer Ingelheim, Ridgefield, USA
| | - Alsya J Affandi
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Aniek S Meijers
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Barbara Giovannone
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Dermatology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Ralph G Tieland
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Eline Elshof
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Oncode Institute, Utrecht, the Netherlands
| | - Andrea Ottria
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Marta Cossu
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Matthew L Meizlish
- Howard Hughes Medical Institute, Department of Immunobiology, Yale University School of Medicine, New Haven, USA
| | - Tineke Veenendaal
- Cell Biology, Centre for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Meera Ramanujam
- Immunology and Respiratory Diseases Research, Boehringer Ingelheim, Ridgefield, USA
| | | | - Judith Klumperman
- Cell Biology, Centre for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Nalan Liv
- Cell Biology, Centre for Molecular Medicine, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Timothy R D J Radstake
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Linde Meyaard
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Oncode Institute, Utrecht, the Netherlands.
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3
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Możdżan M, Węgiel A, Biskup L, Brzezińska O, Makowska J. Anti-Th/To Antibodies in Scleroderma: Good Prognosis or Serious Concern? J Clin Med 2024; 13:3022. [PMID: 38892733 PMCID: PMC11172938 DOI: 10.3390/jcm13113022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/10/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Systemic sclerosis (SSc) represents a rare and intricate autoimmune connective tissue disease, the pathophysiology of which has not been fully understood. Its key features include progressive fibrosis of the skin and internal organs, vasculopathy and aberrant immune activation. While various anti-nuclear antibodies can serve as biomarkers for the classification and prognosis of SSc, their direct role in organ dysfunction remains unclear. Anti-Th/To antibodies are present in approximately 5% of SSc patients, and are particularly prevalent among those with the limited subtype of the disease. Although the presence of these autoantibodies is associated with a mild course of the disease, there is a strong connection between them and severe clinical manifestations of SSc, including interstitial lung disease, pulmonary arterial hypertension and gastrointestinal involvement. Also, the additional clinical correlations, particularly with malignancies, need further research. Moreover, the disease's course seems to be influenced by antibodies, specific serum cytokines and TLR signaling pathways. Understanding the relationships between presence of anti-Th/To, its molecular aspects and response to treatment options is crucial for the development of novel, personalized therapeutic techniques and should undergo profound analysis in future studies.
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Affiliation(s)
- Maria Możdżan
- Department of Rheumatology, Medical University of Lodz, 90-549 Lodz, Poland; (A.W.); (L.B.); (O.B.)
| | | | | | | | - Joanna Makowska
- Department of Rheumatology, Medical University of Lodz, 90-549 Lodz, Poland; (A.W.); (L.B.); (O.B.)
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4
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Memari E, Khan D, Alkins R, Helfield B. Focused ultrasound-assisted delivery of immunomodulating agents in brain cancer. J Control Release 2024; 367:283-299. [PMID: 38266715 DOI: 10.1016/j.jconrel.2024.01.034] [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: 10/03/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/26/2024]
Abstract
Focused ultrasound (FUS) combined with intravascularly circulating microbubbles can transiently increase the permeability of the blood-brain barrier (BBB) to enable targeted therapeutic delivery to the brain, the clinical testing of which is currently underway in both adult and pediatric patients. Aside from traditional cancer drugs, this technique is being extended to promote the delivery of immunomodulating therapeutics to the brain, including antibodies, immune cells, and cytokines. In this manner, FUS approaches are being explored as a tool to improve and amplify the effectiveness of immunotherapy for both primary and metastatic brain cancer, a particularly challenging solid tumor to treat. Here, we present an overview of the latest groundbreaking research in FUS-assisted delivery of immunomodulating agents to the brain in pre-clinical models of brain cancer, and place it within the context of the current immunotherapy approaches. We follow this up with a discussion on new developments and emerging strategies for this rapidly evolving approach.
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Affiliation(s)
- Elahe Memari
- Department of Physics, Concordia University, Montreal H4B 1R6, Canada
| | - Dure Khan
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Ryan Alkins
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada; Division of Neurosurgery, Department of Surgery, Kingston Health Sciences Centre, Queen's University, Kingston, ON, Canada
| | - Brandon Helfield
- Department of Physics, Concordia University, Montreal H4B 1R6, Canada; Department of Biology, Concordia University, Montreal H4B 1R6, Canada.
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5
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Muruganandam M, Ariza-Hutchinson A, Patel RA, Sibbitt WL. Biomarkers in the Pathogenesis, Diagnosis, and Treatment of Systemic Sclerosis. J Inflamm Res 2023; 16:4633-4660. [PMID: 37868834 PMCID: PMC10590076 DOI: 10.2147/jir.s379815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 09/27/2023] [Indexed: 10/24/2023] Open
Abstract
Systemic sclerosis (SSc) is a complex autoimmune disease characterized by vascular damage, vasoinstability, and decreased perfusion with ischemia, inflammation, and exuberant fibrosis of the skin and internal organs. Biomarkers are analytic indicators of the biological and disease processes within an individual that can be accurately and reproducibly measured. The field of biomarkers in SSc is complex as recent studies have implicated at least 240 pathways and dysregulated proteins in SSc pathogenesis. Anti-nuclear antibodies (ANA) are classical biomarkers with well-described clinical classifications and are present in more than 90% of SSc patients and include anti-centromere, anti-Th/To, anti-RNA polymerase III, and anti-topoisomerase I antibodies. Transforming growth factor-β (TGF-β) is central to the fibrotic process of SSc and is intimately intertwined with other biomarkers. Tyrosine kinases, interferon-1 signaling, IL-6 signaling, endogenous thrombin, peroxisome proliferator-activated receptors (PPARs), lysophosphatidic acid receptors, and amino acid metabolites are new biomarkers with the potential for developing new therapeutic agents. Other biomarkers implicated in SSc-ILD include signal transducer and activator of transcription 4 (STAT4), CD226 (DNAX accessory molecule 1), interferon regulatory factor 5 (IRF5), interleukin-1 receptor-associated kinase-1 (IRAK1), connective tissue growth factor (CTGF), pyrin domain containing 1 (NLRP1), T-cell surface glycoprotein zeta chain (CD3ζ) or CD247, the NLR family, SP-D (surfactant protein), KL-6, leucine-rich α2-glycoprotein-1 (LRG1), CCL19, genetic factors including DRB1 alleles, the interleukins (IL-1, IL-4, IL-6, IL-8, IL-10 IL-13, IL-16, IL-17, IL-18, IL-22, IL-32, and IL-35), the chemokines CCL (2,3,5,13,20,21,23), CXC (8,9,10,11,16), CX3CL1 (fractalkine), and GDF15. Adiponectin (an indicator of PPAR activation) and maresin 1 are reduced in SSc patients. A new trend has been the use of biomarker panels with combined complex multifactor analysis, machine learning, and artificial intelligence to determine disease activity and response to therapy. The present review is an update of the various biomarker molecules, pathways, and receptors involved in the pathology of SSc.
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Affiliation(s)
- Maheswari Muruganandam
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Angie Ariza-Hutchinson
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Rosemina A Patel
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Wilmer L Sibbitt
- Department of Internal Medicine, Division of Rheumatology and School of Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
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6
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He J, Fang B, Shan S, Li Q. Mechanical stiffness promotes skin fibrosis through Piezo1-mediated arginine and proline metabolism. Cell Death Discov 2023; 9:354. [PMID: 37752116 PMCID: PMC10522626 DOI: 10.1038/s41420-023-01656-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 09/08/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023] Open
Abstract
The increased mechanics of fibrotic skin tissue continuously regulate fibroblast functions such as survival and differentiation. Although all these processes consume metabolites, it is unclear whether and how cells adapt their metabolic activity to increased matrix stiffness. Here, we show that transferring mouse dermal fibroblasts from soft to stiff substrates causes an up-regulation of arginine and proline metabolism. Increased matrix stiffness stimulates the expression and activity of key metabolic enzymes, leading to the synthesis of L-proline, a major source of collagen. In addition, the novel mechanosensitive channel Piezo1 was identified as a key regulator of arginine and proline metabolism in fibroblasts under increased stiffness. Consistently, targeting Piezo1 to dermal fibroblasts in vivo effectively reduces fibrosis and arginine-proline metabolism in mouse skin. Therefore, mechanical stiffness is a critical environmental cue for fibroblast metabolism and skin fibrosis progression.
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Affiliation(s)
- Jiahao He
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Bin Fang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Shengzhou Shan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
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7
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Yang Y, Mihajlovic M, Masereeuw R. Protein-Bound Uremic Toxins in Senescence and Kidney Fibrosis. Biomedicines 2023; 11:2408. [PMID: 37760849 PMCID: PMC10525416 DOI: 10.3390/biomedicines11092408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 09/29/2023] Open
Abstract
Chronic kidney disease (CKD) is a progressive condition of kidney dysfunction due to diverse causes of injury. In healthy kidneys, protein-bound uremic toxins (PBUTs) are cleared from the systemic circulation by proximal tubule cells through the concerted action of plasma membrane transporters that facilitate their urinary excretion, but the endogenous metabolites are hardly removed with kidney dysfunction and may contribute to CKD progression. Accumulating evidence suggests that senescence of kidney tubule cells influences kidney fibrosis, the common endpoint for CKD with an excessive accumulation of extracellular matrix (ECM). Senescence is a special state of cells characterized by permanent cell cycle arrest and limitation of proliferation, which promotes fibrosis by releasing senescence-associated secretory phenotype (SASP) factors. The accumulation of PBUTs in CKD causes oxidative stress and increases the production of inflammatory (SASP) factors that could trigger fibrosis. Recent studies gave some clues that PBUTs may also promote senescence in kidney tubular cells. This review provides an overview on how senescence contributes to CKD, the involvement of PBUTs in this process, and how kidney senescence can be studied. Finally, some suggestions for future therapeutic options for CKD while targeting senescence are given.
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Affiliation(s)
- Yi Yang
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands;
| | - Milos Mihajlovic
- Entity of In Vitro Toxicology and Dermato-Cosmetology, Department of Pharmaceutical and Pharmacological Sciences, Vrije Universiteit Brussel, 1090 Brussels, Belgium;
| | - Rosalinde Masereeuw
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands;
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8
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Erices JI, Bizama C, Niechi I, Uribe D, Rosales A, Fabres K, Navarro-Martínez G, Torres Á, San Martín R, Roa JC, Quezada-Monrás C. Glioblastoma Microenvironment and Invasiveness: New Insights and Therapeutic Targets. Int J Mol Sci 2023; 24:ijms24087047. [PMID: 37108208 PMCID: PMC10139189 DOI: 10.3390/ijms24087047] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 04/29/2023] Open
Abstract
Glioblastoma (GBM) is the most common and malignant primary brain cancer in adults. Without treatment the mean patient survival is approximately 6 months, which can be extended to 15 months with the use of multimodal therapies. The low effectiveness of GBM therapies is mainly due to the tumor infiltration into the healthy brain tissue, which depends on GBM cells' interaction with the tumor microenvironment (TME). The interaction of GBM cells with the TME involves cellular components such as stem-like cells, glia, endothelial cells, and non-cellular components such as the extracellular matrix, enhanced hypoxia, and soluble factors such as adenosine, which promote GBM's invasiveness. However, here we highlight the role of 3D patient-derived glioblastoma organoids cultures as a new platform for study of the modeling of TME and invasiveness. In this review, the mechanisms involved in GBM-microenvironment interaction are described and discussed, proposing potential prognosis biomarkers and new therapeutic targets.
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Affiliation(s)
- José Ignacio Erices
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute on Immunology and Immunotherapy, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Carolina Bizama
- Department of Pathology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
- Millennium Institute on Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - Ignacio Niechi
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute on Immunology and Immunotherapy, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Daniel Uribe
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Arnaldo Rosales
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute on Immunology and Immunotherapy, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Karen Fabres
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Giovanna Navarro-Martínez
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute on Immunology and Immunotherapy, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Ángelo Torres
- Escuela de Medicina Veterinaria, Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomás, Talca 8370003, Chile
| | - Rody San Martín
- Laboratorio de Patología Molecular, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Juan Carlos Roa
- Department of Pathology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
- Millennium Institute on Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
| | - Claudia Quezada-Monrás
- Laboratorio de Biología Tumoral, Instituto de Bioquímica y Microbiología, Universidad Austral de Chile, Valdivia 5090000, Chile
- Millennium Institute on Immunology and Immunotherapy, Universidad Austral de Chile, Valdivia 5090000, Chile
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Fioretto BS, Rosa I, Matucci-Cerinic M, Romano E, Manetti M. Current Trends in Vascular Biomarkers for Systemic Sclerosis: A Narrative Review. Int J Mol Sci 2023; 24:ijms24044097. [PMID: 36835506 PMCID: PMC9965592 DOI: 10.3390/ijms24044097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Systemic sclerosis (SSc, scleroderma) is a multifaceted rare connective tissue disease whose pathogenesis is dominated by immune dysregulation, small vessel vasculopathy, impaired angiogenesis, and both cutaneous and visceral fibrosis. Microvascular impairment represents the initial event of the disease, preceding fibrosis by months or years and accounting for the main disabling and/or life-threatening clinical manifestations, including telangiectasias, pitting scars, periungual microvascular abnormalities (e.g., giant capillaries, hemorrhages, avascular areas, ramified/bushy capillaries) clinically detectable by nailfold videocapillaroscopy, ischemic digital ulcers, pulmonary arterial hypertension, and scleroderma renal crisis. Despite a variety of available treatment options, treatment of SSc-related vascular disease remains problematic, even considering SSc etherogenity and the quite narrow therapeutic window. In this context, plenty of studies have highlighted the great usefulness in clinical practice of vascular biomarkers allowing clinicians to assess the evolution of the pathological process affecting the vessels, as well as to predict the prognosis and the response to therapy. The current narrative review provides an up-to-date overview of the main candidate vascular biomarkers that have been proposed for SSc, focusing on their main reported associations with characteristic clinical vascular features of the disease.
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Affiliation(s)
- Bianca Saveria Fioretto
- Section of Anatomy and Histology, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Irene Rosa
- Section of Anatomy and Histology, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Marco Matucci-Cerinic
- Section of Internal Medicine, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Hospital, 20132 Milan, Italy
| | - Eloisa Romano
- Section of Internal Medicine, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Mirko Manetti
- Section of Anatomy and Histology, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- Imaging Platform, Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
- Correspondence:
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10
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Kraokaew P, Manohong P, Prasertsuksri P, Jattujan P, Niamnont N, Tamtin M, Sobhon P, Meemon K. Ethyl Acetate Extract of Marine Algae, Halymenia durvillei, Provides Photoprotection against UV-Exposure in L929 and HaCaT Cells. Mar Drugs 2022; 20:707. [PMID: 36421985 PMCID: PMC9696495 DOI: 10.3390/md20110707] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/25/2023] Open
Abstract
Halymenia durvillei is a red alga distributed along the coasts of Southeast Asian countries including Thailand. Previous studies have shown that an ethyl acetate fraction of H. durvillei (HDEA), containing major compounds including n-hexadecanoic acid, 2-butyl-5-hexyloctahydro-1H-indene, 3-(hydroxyacetyl) indole and indole-3-carboxylic acid, possesses high antioxidant and anti-lung cancer activities. The present study demonstrated that HDEA could protect mouse skin fibroblasts (L929) and human immortalized keratinocytes (HaCaT) against photoaging due to ultraviolet A and B (UVA and UVB) by reducing intracellular reactive oxygen species (ROS) and expressions of matrix metalloproteinases (MMP1 and MMP3), as well as increasing Nrf2 nuclear translocation, upregulations of mRNA transcripts of antioxidant enzymes, including superoxide dismutase (SOD), heme oxygenase (HMOX) and glutathione S-transferase pi1 (GSTP1), and procollagen synthesis. The results indicate that HDEA has the potential to protect skin cells from UV irradiation through the activation of the Nrf2 pathway, which leads to decreasing intracellular ROS and MMP production, along with the restoration of skin collagen.
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Affiliation(s)
- Pichnaree Kraokaew
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand
| | - Preeyanuch Manohong
- Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bang Mod, Bangkok 10140, Thailand
| | | | - Prapaporn Jattujan
- Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Nakhon Niamnont
- Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bang Mod, Bangkok 10140, Thailand
| | - Montakan Tamtin
- Kung Krabean Bay Royal Development Center, Department of Fisheries, Khlong Khut Sub-District, Tha Mai, Chantaburi 22000, Thailand
| | - Prasert Sobhon
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand
| | - Krai Meemon
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok 10400, Thailand
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Zanin-Silva DC, Santana-Gonçalves M, Kawashima-Vasconcelos MY, Lima-Júnior JR, Dias JBE, Moraes DA, Covas DT, Malmegrim KCR, Ramalho L, Oliveira MC. Autologous hematopoietic stem cell transplantation promotes connective tissue remodeling in systemic sclerosis patients. Arthritis Res Ther 2022; 24:95. [PMID: 35488348 PMCID: PMC9052524 DOI: 10.1186/s13075-022-02779-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/12/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Autologous hematopoietic stem cell transplantation (AHSCT) treats patients with severe and progressive systemic sclerosis (SSc). However, basic mechanisms associated with the therapeutic efficacy of the procedure are not entirely understood. We aimed to evaluate how AHSCT affects skin fibrosis in SSc patients. METHODS Clinical data, serum, and skin samples from 39 SSc patients who underwent AHSCT were retrospectively evaluated. Skin biopsies were analyzed by immunohistochemistry with anti-MMP-1, -MMP-2, -MMP-3, -MMP-9, -TIMP-1, -α-SMA, -TGF-β, and -NF-κB p65 antibodies, and stained with hematoxylin and eosin and picrosirius red to assess skin thickness and collagen density, respectively. Serum samples were evaluated by Multiplex Assay for COL1A1, COL4A1, FGF-1, MMP-1, MMP-3, MMP-12, MMP-13, PDGF-AA, PDGF-BB, S100A9, and TIMP-1 levels and compared to healthy controls. RESULTS After AHSCT, SSc patients showed clinical improvement in skin involvement, assessed by modified Rodnan's skin score (mRSS). Histologically, collagen density and skin thickness decreased after AHSCT. Immunohistochemical analyses showed increased expression of MMP-2, MMP-3, MMP-9, and TIMP-1 after AHSCT, whereas expression of NF-κB p65 decreased. At baseline, serum levels of COL4A1 and S100A9 were higher than in healthy controls. Serum levels of S100A9 normalized after AHCST in SSc patients compared to controls. Serum levels of PDGF-AA, PDGF-BB, TIMP-1, and MMP-1 decreased, while COL1A1 increased after AHSCT in SSc patients. No changes were detected in MMP-3, MMP-12, MMP-13, and FGF-1 serum levels after AHSCT. CONCLUSIONS Our results suggest that the therapeutic effects of AHSCT on skin fibrosis are related to changes in molecules associated with connective tissue maintenance and inflammation in SSc.
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Affiliation(s)
- Djúlio C Zanin-Silva
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Basic and Applied Immunology Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Maynara Santana-Gonçalves
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Oncology, Stem cell and Cell-Therapy Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Marianna Y Kawashima-Vasconcelos
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Internal Medicine Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - João R Lima-Júnior
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Immuno-Oncology, Beckman Research Institute City of Hope, Duarte, CA, USA
| | - Juliana B E Dias
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes 3900, Ribeirão Preto, SP, 14048-900, Brazil
| | - Daniela A Moraes
- Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes 3900, Ribeirão Preto, SP, 14048-900, Brazil
| | - Dimas T Covas
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Kelen C R Malmegrim
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Oncology, Stem cell and Cell-Therapy Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil.,Department of Clinical, Toxicological and Bromatological Analysis, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Leandra Ramalho
- Department of Pathology and Legal Medicine, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Maria Carolina Oliveira
- Center for Cell-based Therapy, Regional Hemotherapy Center of the Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil. .,Oncology, Stem cell and Cell-Therapy Graduate Program, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil. .,Department of Internal Medicine, Ribeirão Preto Medical School, University of São Paulo, Avenida dos Bandeirantes 3900, Ribeirão Preto, SP, 14048-900, Brazil.
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12
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Li T, Lu H, Zhou L, Jia M, Zhang L, Wu H, Shan L. Growth factors-based platelet lysate rejuvenates skin against ageing through NF-κB signalling pathway: In vitro and in vivo mechanistic and clinical studies. Cell Prolif 2022; 55:e13212. [PMID: 35274780 PMCID: PMC9055903 DOI: 10.1111/cpr.13212] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 12/22/2021] [Accepted: 02/15/2022] [Indexed: 01/02/2023] Open
Abstract
Introduction Platelets benefit tissue regeneration by secreting growth factors, and platelet products, for example, platelet lysate (PL), have been clinically applied for tissue rejuvenation. To determine the anti‐ageing efficacy and mechanism of human PL (hPL) on skin, this study conducted clinical retrospective analysis, nude mice‐based in vivo study and human dermal fibroblasts (HDFs)‐based in vitro study. Methods Flow cytometry was employed for quality control of hPL, and ELISA was used for quantification of growth factors (EGF, IGF‐1, PDGF and TGF‐β) in hPL. After d‐galactose modelling, skin texture grading, histopathological observation, immunofluorescence analysis and oxidative stress assays were conducted on nude mice, while SA‐β‐gal staining, CCK‐8 and wound healing assays were conducted on HDFs. qPCR and western blot were conducted to clarify hPL's mechanism. Results The clinical retrospective data showed that hPL obviously rejuvenated human skin appearances without adverse events. The animal data showed that hPL exerted rejuvenative effects on skin, and the cellular data showed that hPL significantly promoted the proliferation and migration of HDFs and suppressed senescence‐associated secretory protein secretion and senescence state of senescent HDFs by suppressing NF‐κB pathway. The NF‐κB‐dependent mechanism was verified positively by using P65 siRNA and negatively by using prostratin. Furthermore, EGF, IGF‐1, PDGF and TGF‐β were found as the main ingredients in hPL, which contributed to the efficacy and mechanism of hPL. Conclusion This study provided novel knowledge of hPL, making it ideal for skin rejuvenation.
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Affiliation(s)
- Ting Li
- The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Department of Plastic and Aesthetic Center, The First Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Haishan Lu
- Department of Dermatology, PLA 903 Hospital, Hangzhou, China
| | - Li Zhou
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China
| | - Ming Jia
- Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Lei Zhang
- Department of Plastic and Aesthetic Center, The First Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Huiling Wu
- The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Department of Plastic and Aesthetic Center, The First Affiliated Hospital of Zhejiang University, Hangzhou, China
| | - Letian Shan
- The First Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Cell Resource Bank and Integrated Cell Preparation Center of Xiaoshan District, Hangzhou Regional Cell Preparation Center (Shangyu Biotechnology Co., Ltd), Hangzhou, China
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13
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Yue L, Shi Y, Su X, Ouyang L, Wang G, Ye T. Matrix metalloproteinases inhibitors in idiopathic pulmonary fibrosis: Medicinal chemistry perspectives. Eur J Med Chem 2021; 224:113714. [PMID: 34315043 DOI: 10.1016/j.ejmech.2021.113714] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 02/05/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a lethal disease with limited therapeutic options and a particularly poor prognosis. Matrix metalloproteinases (MMPs), promising targets for the treatment of IPF, have been identified as playing a pivotal role in IPF. Although the pathological processes of MMPs and IPF have been verified, there are no MMP inhibitors for the treatment of IPF in the clinic. In this review, we will present the latest developments in MMP inhibitors, including pharmacophores, binding modes, selectivity and optimization strategies. In addition, we will also discuss the future development direction of MMP inhibitors based on emerging tools and techniques.
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Affiliation(s)
- Lin Yue
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yaojie Shi
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xingping Su
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Liang Ouyang
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Guan Wang
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Tinghong Ye
- Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal Cancer, Department of Gastroenterology and Hepatology, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
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14
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Aravilli RK, Vikram SL, Kohila V. The Functional Impact of Alternative Splicing and Single Nucleotide Polymorphisms in Rheumatoid Arthritis. Curr Pharm Biotechnol 2021; 22:1014-1029. [PMID: 33001009 DOI: 10.2174/1389201021666201001142416] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/05/2020] [Accepted: 09/08/2020] [Indexed: 11/22/2022]
Abstract
Advances in genomics and proteomics aid the identification of genes associated with various diseases. Genome-Wide Association Studies (GWAS) have identified multiple loci as risk alleles for susceptibility to Rheumatoid Arthritis (RA). A bisection of RA risk can be attributed to genetic factors. Over 100 associated genetic loci that encompass immune regulatory factors have been found to be linked with RA. Aberrant Single Nucleotide Polymorphisms (SNPs) and alternative splicing mechanisms in such loci induce RA. These aberrations are viewed as potential therapeutic targets due to their association with a multitude of diseases. This review presents a few imperious genes whose alterations can cause severe bone deformities culminating in RA.
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Affiliation(s)
- R Kowshik Aravilli
- Department of Biotechnology, National Institute of Technology Warangal, Warangal, India
| | - S Laveen Vikram
- Department of Computer Science and Engineering, Alagappa University, Karaikudi, India
| | - V Kohila
- Department of Biotechnology, National Institute of Technology Warangal, Warangal, India
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15
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Matrix Metalloproteinases MMP-2 and MMP-9, Their Inhibitors TIMP-1 and TIMP-2, Vascular Endothelial Growth Factor and sVEGFR-2 as Predictive Markers of Ischemic Retinopathy in Patients with Systemic Sclerosis-Case Series Report. Int J Mol Sci 2020; 21:ijms21228703. [PMID: 33218057 PMCID: PMC7698901 DOI: 10.3390/ijms21228703] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/27/2020] [Accepted: 11/14/2020] [Indexed: 02/06/2023] Open
Abstract
Systemic sclerosis (SSc) is an autoimmune connective tissue disorder associated with multiple organ involvement. The aim of the study was to present two SSc patients who were diagnosed with ischemic retinopathy in both eyes. As a background to our case study, we decided to investigate the imbalance of angiogenesis factors in 25 SSc patients in relation to 25 healthy controls. Assays of matrix metalloproteinases-2 and -9 (MMP-2, MMP-9), tissue inhibitor of metalloproteinases-1 (TIMP-1) and -2 (TIMP-2), vascular endothelial growth factor (VEGF), and soluble VEGF receptor-2 (sVEGFR-2) in blood serum and tears were performed. A significantly increased levels of MMP-9 in serum and tears, (p = 0.0375 and p < 0.001, respectively) as well as VEGF/sVEGFR-2 ratio in tears (p < 0.001) were found in the whole SSc patients group compared with controls, while reduced levels of these parameters in patients with ischemic sclerodermic retinopathy were noted. We also observed decreased level MMP-2 in tears and increased levels of TIMP-2 in blood serum and tears of SSc patients with retinal ischemic changes. MMP-9, MMP-2, TIMP-2, and VEGF/sVEGFR-2 may play a crucial role in ischemic retinal degeneration or retinal reorganization in SSc.
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16
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Fibrosis following Acute Skeletal Muscle Injury: Mitigation and Reversal Potential in the Clinic. JOURNAL OF SPORTS MEDICINE 2020; 2020:7059057. [PMID: 33376749 PMCID: PMC7745048 DOI: 10.1155/2020/7059057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022]
Abstract
Skeletal muscle injuries occur often in athletics and in daily life. In minor injuries, muscles are able to regenerate completely and recover their functional capabilities. However, in the case of severe injuries, the injured muscle cannot recover to a functional level because of the formation of fibrous scar tissue. The physical barrier of scars is significantly challenged in both research and clinical treatment. Fibrous scar tissue not only limits cells' migration, but also contributes to normal tissue biomechanical properties. This scar formation creates an unsuitable environment for tissue structure resulting in frequent pain. Antifibrosis treatment is one of the major strategies used to augment muscle regeneration and accelerate its functional recovery. This review will discuss the currently available methods for improving muscle regeneration with a specific focus on antifibrosis applications. We also discussed several novel hypotheses and clinical applications in muscle fibrosis treatment currently in practice.
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17
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Aryl hydrocarbon receptor signaling activation in systemic sclerosis attenuates collagen production and is a potential antifibrotic target. Int Immunopharmacol 2020; 88:106886. [PMID: 32799115 DOI: 10.1016/j.intimp.2020.106886] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 07/20/2020] [Accepted: 08/07/2020] [Indexed: 11/21/2022]
Abstract
Systemic sclerosis (SSc) is a systemic autoimmune disease that often leads to fibrosis of multiple organs, and there are no effective treatments. Aryl hydrocarbon receptor (AhR) is a highly evolutionarily conserved transcription factor activated by endogenous and exogenous ligands and that regulate cell proliferation, tumorigenesis and immune balance. Recently, it have reported AhR signaling may participate in fibrosis process, usually consider as a negative regulator of TGF-β. However, the detailed relationship between AhR and SSc has not been reported yet. Here we firstly found that AhR and CYP1A1 downregulated in SSc fibroblast(n = 6). The AhR ligand-Ficz negatively regulates TGF-β1, COL1A1 and α-SMA expression, also enhances the MMP-1 expression via the AhR signaling activation. Conversely the AhR antagonist CH223191 could inhibit this effect. Furthermore, the antifibrosis effect of AhR signaling activation was also confirmed in bleomycin induced scleroderma mouse model. In conclusion, AhR signaling activation balances the extracellular matrix (ECM) composition and deposition, which may provide a new sight to the pathogenesis of SSc and AhR signaling activation may be a potential therapy for SSc.
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18
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Ahn J, Kim H, Yang KM. An Aqueous Extract of a Bifidobacterium Species Induces Apoptosis and Inhibits Invasiveness of Non-Small Cell Lung Cancer Cells. J Microbiol Biotechnol 2020; 30:885-893. [PMID: 32238777 PMCID: PMC9728347 DOI: 10.4014/jmb.1912.12054] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/31/2020] [Indexed: 12/15/2022]
Abstract
Chemotherapy regimens for non?small cell lung cancer (NSCLC) have various adverse effects on the human body. For this reason, probiotics have received attention regarding their potential value as a safe and natural complementary strategy for cancer prevention. This study analyzed the anticancer effects of aqueous extracts of probiotic bacteria Bifidobacterium bifidum (BB), Bifidobacterium longum (BL), Bifidobacterium lactis (BLA), Bifidobacterium infantis 1 (BI1), and Bifidobacterium infantis 2 (BI2) on NSCLC cell lines. When the aqueous extracts of probiotic Bifidobacterium species were applied to the NSCLC cell lines A549, H1299, and HCC827, cell death increased considerably; in particular, the aqueous extracts from BB and BLA markedly reduced cell proliferation. p38 phosphorylation induced by BB aqueous extract increased the expression of cleaved caspase 3 and cleaved poly (ADP-ribose) polymerase (PARP), consequently inducing the apoptosis of A549 and H1299 cells. When the p38 inhibitor SB203580 was applied, phosphorylation of p38 decreased, and the expression of cleaved caspase 3 and cleaved PARP was also inhibited, resulting in a reduction of cell death. In addition, BB aqueous extracts reduced the secretion of MMP-9, leading to inhibition of cancer cell invasion. By contrast, after transfection of short hairpin RNA shMMP-9 (for a knockdown of MMP-9) int°Cancer cells, BB aqueous extracts treatment failed to suppress the cancer cell invasiveness. According to our results about their anticancer effects on NSCLC, probiotics consisting of Bifidobacterium species may be useful as adjunctive anticancer treatment in the future.
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Affiliation(s)
- Joungjwa Ahn
- Department of Food Science and Technology, Jungwon University, Goesan-gun 28024, Republic of Korea
| | - Hyesung Kim
- Institute of Biomedical Science, Apple Tree Dental Hospital, Goyang 10387, Republic of Korea
| | - Kyung Mi Yang
- Institute of Biomedical Science, Apple Tree Dental Hospital, Goyang 10387, Republic of Korea,Corresponding author Phone: +82-70- 460-15489 Fax: +82-31-365-4596 E-mail: kyungmi.yang@gmail. Com
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19
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Rigas B, Huang W, Honkanen R. NSAID-induced corneal melt: Clinical importance, pathogenesis, and risk mitigation. Surv Ophthalmol 2020; 65:1-11. [DOI: 10.1016/j.survophthal.2019.07.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 12/21/2022]
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20
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Matrix Metalloproteinases and Temporomandibular Joint Disorder: A Review of the Literature. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9214508] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Temporomandibular disorders (TMD) are progressive degenerative disorders that affect the components of the temporomandibular joint (TMJ), characterized by pain and limitations in function. Matrix metalloproteinases (MMP) are enzymes involved in physiological breakdown of tissue that can have a pathological effect from an increase in activity during inflammation. A PubMed search of the current literature (within the past 10 years) was conducted to identify human studies involving matrix metalloproteinases activity in TMJ components of patients with TMD. Two separate searches results in 34 studies, six of which met inclusion criteria. Immunohistochemistry and gene analysis were used to evaluate MMP expression in the study groups. This review showed the strongest evidence for involvement of MMP-1, MMP-2, and MMP-9 in TMD; however, limitations included low sample sizes and a lack of recent clinical studies. Future research with more definitive conclusions could allow for additional pharmaceutical targets in MMP when treating patients with temporomandibular disorders.
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21
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Matsuzaki Y, Maruta R, Takaki K, Kotani E, Kato Y, Yoshimura R, Endo Y, Whitty C, Pernstich C, Gandhi R, Jones M, Mori H. Sustained Neurotrophin Release from Protein Nanoparticles Mediated by Matrix Metalloproteinases Induces the Alignment and Differentiation of Nerve Cells. Biomolecules 2019; 9:biom9100510. [PMID: 31546991 PMCID: PMC6843502 DOI: 10.3390/biom9100510] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 09/17/2019] [Accepted: 09/19/2019] [Indexed: 01/16/2023] Open
Abstract
The spatial and temporal availability of cytokines, and the microenvironments this creates, is critical to tissue development and homeostasis. Creating concentration gradients in vitro using soluble proteins is challenging as they do not provide a self-sustainable source. To mimic the sustained cytokine secretion seen in vivo from the extracellular matrix (ECM), we encapsulated a cargo protein into insect virus-derived proteins to form nanoparticle co-crystals and studied the release of this cargo protein mediated by matrix metalloproteinase-2 (MMP-2) and MMP-8. Specifically, when nerve growth factor (NGF), a neurotrophin, was encapsulated into nanoparticles, its release was promoted by MMPs secreted by a PC12 neuronal cell line. When these NGF nanoparticles were spotted onto a cover slip to create a uniform circular field, movement and alignment of PC12 cells via their extended axons along the periphery of the NGF nanoparticle field was observed. Neural cell differentiation was confirmed by the expression of specific markers of tau, neurofilament, and GAP-43. Connections between the extended axons and the growth cones were also observed, and expression of connexin 43 was consistent with the formation of gap junctions. Extensions and connection of very fine filopodia occurred between growth cones. Our studies indicate that crystalline protein nanoparticles can be utilized to generate a highly stable cytokine gradient microenvironment that regulates the alignment and differentiation of nerve cells. This technique greatly simplifies the creation of protein concentration gradients and may lead to therapies for neuronal injuries and disease.
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Affiliation(s)
- Yuka Matsuzaki
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Rina Maruta
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Keiko Takaki
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Eiji Kotani
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Yasuko Kato
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Ryoichi Yoshimura
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Yasuhisa Endo
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Ciara Whitty
- Cell Guidance Systems, Maia Building, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Christian Pernstich
- Cell Guidance Systems, Maia Building, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Raj Gandhi
- Cell Guidance Systems, Maia Building, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Michael Jones
- Cell Guidance Systems, Maia Building, Babraham Research Campus, Cambridge, CB22 3AT, UK.
| | - Hajime Mori
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
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22
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Doridot L, Jeljeli M, Chêne C, Batteux F. Implication of oxidative stress in the pathogenesis of systemic sclerosis via inflammation, autoimmunity and fibrosis. Redox Biol 2019; 25:101122. [PMID: 30737171 PMCID: PMC6859527 DOI: 10.1016/j.redox.2019.101122] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/22/2019] [Accepted: 01/23/2019] [Indexed: 12/31/2022] Open
Abstract
Systemic sclerosis is an autoimmune disorder characterized by inflammation and a progressive fibrosis affecting the skin and visceral organs. Over the last two decades, it became clear that oxidative stress plays a key role in its pathogenesis. In this review, we highlighted the role of ROS in the various pathological components of systemic sclerosis, namely the inflammatory, the autoimmune and the fibrotic processes. We also discussed how these pathological processes can induce ROS overproduction, thus maintaining a vicious circle. Finally, we summarized the therapeutic approaches targeting oxidative stress tested in systemic sclerosis, in cells, animal models and patients.
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Affiliation(s)
- Ludivine Doridot
- Inserm, U1016, Institut Cochin, Paris, France; Cnrs, UMR8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, France.
| | - Mohamed Jeljeli
- Inserm, U1016, Institut Cochin, Paris, France; Cnrs, UMR8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, France; Department of Immunology, Cochin Teaching Hospital, AP-HP, 27, rue du faubourg Saint-Jacques, F75014, Paris, France
| | | | - Frédéric Batteux
- Inserm, U1016, Institut Cochin, Paris, France; Cnrs, UMR8104, Paris, France; Université Paris Descartes, Sorbonne Paris Cité, France; Department of Immunology, Cochin Teaching Hospital, AP-HP, 27, rue du faubourg Saint-Jacques, F75014, Paris, France
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23
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Boleto G, Allanore Y, Avouac J. Targeting Costimulatory Pathways in Systemic Sclerosis. Front Immunol 2018; 9:2998. [PMID: 30619351 PMCID: PMC6305435 DOI: 10.3389/fimmu.2018.02998] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 12/04/2018] [Indexed: 01/04/2023] Open
Abstract
Systemic sclerosis (SSc) is an autoimmune T-cell disease that is characterized by pathological fibrosis of the skin and internal organs. SSc is considered a prototype condition for studying the links between autoimmunity and fibrosis. Costimulatory pathways such as CD28/CTLA-4, ICOS-B7RP1, CD70-CD27, CD40-CD154, or OX40-OX40L play an essential role in the modulation of T-cell and inflammatory immune responses. A growing body of evidence suggests that T-cell costimulation signals might be implicated in the pathogenesis of SSc. CD28, CTLA-4, ICOS, and OX40L are overexpressed in patients with SSc, particularly in patients with cutaneous diffuse forms. In pre-clinical models of SSc, T-cell costimulation blockade with abatacept (CTLA-4-Ig) prevented and induced the regression of inflammation-driven dermal fibrosis, improved digestive involvement, prevented lung fibrosis, and attenuated pulmonary hypertension in complementary models of SSc. Likewise, potent anti-fibrotic effects were seen with the blockade of OX40L by reducing the infiltration of inflammatory cells into lesional tissues leading to decreased fibroblast activation. Concerning clinical effects, a preliminary observational study suggested some effectiveness of abatacept on inflammatory joint involvement, whereas clinical improvement of skin fibrosis was observed in a small placebo-controlled randomized trial. Currently there is one ongoing phase II clinical trial assessing the efficacy of abatacept in SSc (ASSET trial, NCT02161406). Overall, given the lack of available effective agents and the known toxic effects of immunosuppressive agents approved for use in SSc, costimulatory pathways offer the advantage of a targeted approach to costimulatory signals and potentially a better safety profile.
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Affiliation(s)
- Gonçalo Boleto
- Université Paris Descartes, Sorbonne Paris Cité, INSERM U1016, Institut Cochin, CNRS UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Service de Rhumatologie A, Hôpital Cochin, Paris, France
| | - Yannick Allanore
- Université Paris Descartes, Sorbonne Paris Cité, INSERM U1016, Institut Cochin, CNRS UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Service de Rhumatologie A, Hôpital Cochin, Paris, France
| | - Jérôme Avouac
- Université Paris Descartes, Sorbonne Paris Cité, INSERM U1016, Institut Cochin, CNRS UMR8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Service de Rhumatologie A, Hôpital Cochin, Paris, France
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24
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Interactions between Triterpenes and a P-I Type Snake Venom Metalloproteinase: Molecular Simulations and Experiments. Toxins (Basel) 2018; 10:toxins10100397. [PMID: 30274214 PMCID: PMC6215199 DOI: 10.3390/toxins10100397] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 09/19/2018] [Accepted: 09/26/2018] [Indexed: 12/28/2022] Open
Abstract
Small molecule inhibitors of snake venom metalloproteinases (SVMPs) could provide a means to rapidly halt the progression of local tissue damage following viperid snake envenomations. In this study, we examine the ability of candidate compounds based on a pentacyclic triterpene skeleton to inhibit SVMPs. We leverage molecular dynamics simulations to estimate the free energies of the candidate compounds for binding to BaP1, a P-I type SVMP, and compare these results with experimental assays of proteolytic activity inhibition in a homologous enzyme (Batx-I). Both simulation and experiment suggest that betulinic acid is the most active candidate, with the simulations predicting a standard binding free energy of ΔG∘=−11.0±1.4 kcal/mol. The simulations also reveal the atomic interactions that underlie binding between the triterpenic acids and BaP1, most notably the electrostatic interaction between carboxylate groups of the compounds and the zinc cofactor of BaP1. Together, our simulations and experiments suggest that occlusion of the S1′ subsite is essential for inhibition of proteolytic activity. While all active compounds make hydrophobic contacts in the S1′ site, β-boswellic acid, with its distinct carboxylate position, does not occlude the S1′ site in simulation and exhibits negligible activity in experiment.
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25
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Phosphosulindac is efficacious in an improved concanavalin A-based rabbit model of chronic dry eye disease. Transl Res 2018; 198:58-72. [PMID: 29702077 DOI: 10.1016/j.trsl.2018.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 04/03/2018] [Accepted: 04/03/2018] [Indexed: 12/17/2022]
Abstract
Dry eye disease (DED) currently has no satisfactory treatment partly because of the lack of informative animal models. We evaluated the anti-inflammatory phosphosulindac (PS) for the treatment of DED using a new rabbit model of DED based on the concanavalin A (Con A) acute DED model: we injected all lacrimal glands with Con A weekly under ultrasound guidance, which prolonged DED to >3 weeks, and thoroughly assessed efficacy with tear break-up time (TBUT), tear osmolarity, Schirmer test, and tear lactoferrin levels. Rabbits with DED (n = 8-10 eyes per group) were treated topically with PS or vehicle 3×/day for 21days. PS restored TBUT, tear osmolarity, and lactoferrin levels (P < 0.0001-0.04) to normal but did not significantly improve the results of the Schirmer test. PS showed no side effects and was much more efficacious than cyclosporine or lifitegrast. In the cornea, PS suppressed the activation of nuclear factor kappa-B, the levels of transforming growth factor beta, interleukin-1 beta, interleukin-6, and interleukin-8, and the levels of matrix metalloproteinase (MMP)-1 and MMP-9, and MMP activity. Levels of prostaglandin E2 (PGE2) in tears and cornea were preserved in PS-treated rabbits. Ketorolac and diclofenac, two ophthalmic NSAIDs causing corneal melt, nearly completely suppressed PGE2 levels but had no effect on MMPs. The effects of PS on PGE2 and MMPs likely account for its apparent ocular safety. Our results establish an animal model for acute and chronic DED suitable for drug efficacy studies and indicate that PS merits evaluation for DED.
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26
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Chetina EV, Markova GA. [Upcoming value of gene expression analysis in rheumatology]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2018; 64:221-232. [PMID: 29964257 DOI: 10.18097/pbmc20186403221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease of unknown etiology, which involves disturbance in immune system signaling pathway functions, damage of other tissues, pain and joint destruction. Modern treatment attempts to improve pathophysiological and biochemical mechanisms damaged by the disease. However, due to the RA patient heterogeneity personalized approach to treatment is required; the choice of personalized treatment is complicated by the variability of patient's response to treatment. Gene expression analysis might serve a tool for the disease control and therapy personification for inhibition of inflammation and pain as well as for prevention of joint destruction.
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Affiliation(s)
- E V Chetina
- Nasonova Research Institute of Rheumatology, Moscow, Russia
| | - G A Markova
- Nasonova Research Institute of Rheumatology, Moscow, Russia
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27
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Matrix metalloproteinase-13: A special focus on its regulation by signaling cascades and microRNAs in bone. Int J Biol Macromol 2018; 109:338-349. [DOI: 10.1016/j.ijbiomac.2017.12.091] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 12/15/2017] [Accepted: 12/17/2017] [Indexed: 01/03/2023]
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28
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Walter L, Pujada A, Bhatnagar N, Bialkowska AB, Yang VW, Laroui H, Garg P. Epithelial derived-matrix metalloproteinase (MMP9) exhibits a novel defensive role of tumor suppressor in colitis associated cancer by activating MMP9-Notch1-ARF-p53 axis. Oncotarget 2018; 8:364-378. [PMID: 27861153 PMCID: PMC5352126 DOI: 10.18632/oncotarget.13406] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Accepted: 11/11/2016] [Indexed: 12/19/2022] Open
Abstract
Colitis associated cancer (CAC) is chronic inflammation driven colon cancer, prevalent among individuals with Inflammatory Bowel Disease. Matrix-metalloproteinase (MMP9) is one of the essential regulators of extra cellular matrix components. We have shown that MMP9 is protective in CAC contrary to its inflammatory role in acute-colitis. Aim of our study is to identify the mechanism of the protective role of epithelial derived-MMP9 in CAC. We used homozygous transgenic mice constitutively-expressing MMP9 in colonic-epithelium (TgM9) and wild-type (WT) littermates for in vivo experiments. Stably-transfected HCT116 with/without MMP9, and mouse embryonic-fibroblasts (WT and MMP9−/−, MEFs) were used for in vitro experiments. TgM9 mice exhibited less tumor burden, increased apoptosis, and increased expressions of active-Notch1, p53, p21WAF1/Cip1, caspase-3 and cyclin E in CAC compared to WTs. These results were supported by MEFs data. HCT116-cells overexpressing MMP9 indicated decreased cell proliferation, S-phase cell-cycle arrest and less DNA damage compared to vector. MMP9−/− mice showed attenuation of MMP9 was directly associated with p19ARF. Our study identifies the tumor suppressor role of epithelial derived-MMP9 in CAC via novel mechanistic pathway “MMP9-Notch1-ARF-p53 axis” regulating apoptosis, cell-cycle arrest and DNA damage implying, that MMP9 expression might be a natural/biological way to suppress colonic ulceration due to chronic inflammation.
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Affiliation(s)
- Lewins Walter
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Adani Pujada
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
| | - Noopur Bhatnagar
- Department of Biology, Georgia State University, Atlanta, GA, USA
| | | | - Vincent W Yang
- Department of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Hamed Laroui
- Department of Chemistry/Biology, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, USA
| | - Pallavi Garg
- Institute for Biomedical Sciences, Georgia State University, Atlanta, GA, USA
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Liakouli V, Cipriani P, Di Benedetto P, Ruscitti P, Carubbi F, Berardicurti O, Panzera N, Giacomelli R. The role of extracellular matrix components in angiogenesis and fibrosis: Possible implication for Systemic Sclerosis. Mod Rheumatol 2018; 28:922-932. [DOI: 10.1080/14397595.2018.1431004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Vasiliki Liakouli
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Paola Cipriani
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Paola Di Benedetto
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Piero Ruscitti
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Francesco Carubbi
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Onorina Berardicurti
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Noemi Panzera
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
| | - Roberto Giacomelli
- Department of Biotechnological and Applied Clinical Science, Rheumatology Unit, School of Medicine, University of L’Aquila, L’Aquila, Italy
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30
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Raker VK, Ook KY, Haub J, Lorenz N, Schmidt T, Stegemann A, Böhm M, Schuppan D, Steinbrink K. Myeloid cell populations and fibrogenic parameters in bleomycin- and HOCl-induced fibrosis. Exp Dermatol 2018; 25:887-894. [PMID: 27307019 DOI: 10.1111/exd.13124] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2016] [Indexed: 12/11/2022]
Abstract
Mouse models resembling systemic sclerosis can be chemically induced by application of bleomycin or hypochloric acid (HOCl). To date, little is known about inflammatory cells and their potential role in scleroderma (Scl)-related fibrosis. Therefore, we compared both Scl models to define the early immune cell subsets in relation to fibrosis-related parameters. Both agents induced a significant increase in dermal thickness and collagen deposition after 4 weeks, as hallmarks of Scl. However, clinical skin thickness, densely packed, sirius red-stained collagen bundles and collagen cross-links were more pronounced in HOCl-induced Scl. In parallel, there was a significant upregulation of procollagen α1(I), α-SMA and TGF-β transcripts in HOCl animals, whereas IL-1β and MMP-13 mRNA levels were significantly increased in bleomycin-treated mice. Flow cytometric analysis of the Scl skin demonstrated an early cellular infiltrate containing mainly CD19+ B cells, CD4+ T cells, CD11c+ DC and CD11b+ myeloid cells, the latter ones being significantly more prominent after HOCl injection. Subanalysis revealed that Scl mice exhibited a significant increase of inflammatory myeloid CD11b+ Ly6Clow-high CD64low-high cells (HOCl>bleomycin). In particular, in the HOCl model, activated dermal macrophages (CCR2low MHCIIhigh ) and monocyte-derived DC (CCR2high MHCIIhigh ) predominated over less activated CD11b+ myeloid cells. In conclusion, the two models differ in certain aspects of the murine and human scleroderma but in the HOCl model, myeloid CD11b+ MHCIIhigh cells correlate with some fibrosis-related parameters. Therefore, analysis of both models is suggested to cover a comprehensive profile of Scl symptoms but with focus on the HOCl model when the role of early myeloid immune cells will be evaluated.
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Affiliation(s)
- Verena K Raker
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany. .,Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.
| | - Kim Y Ook
- Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Institute of Translational Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Jessica Haub
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Nadine Lorenz
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Talkea Schmidt
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | | | - Markus Böhm
- University Medical Center Münster, Munster, Germany
| | - Detlef Schuppan
- Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Institute of Translational Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Kerstin Steinbrink
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany.,Research Center for Immune Therapy, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
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31
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Lacivita E, Perrone R, Margari L, Leopoldo M. Targets for Drug Therapy for Autism Spectrum Disorder: Challenges and Future Directions. J Med Chem 2017; 60:9114-9141. [PMID: 29039668 DOI: 10.1021/acs.jmedchem.7b00965] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by persistent deficits in social communication and interaction and restricted, repetitive patterns of behavior, interests, and activities. Various factors are involved in the etiopathogenesis of ASD, including genetic factors, environmental toxins and stressors, impaired immune responses, mitochondrial dysfunction, and neuroinflammation. The heterogeneity in the phenotype among ASD patients and the complex etiology of the condition have long impeded the advancement of the development of pharmacological therapies. In the recent years, the integration of findings from mouse models to human genetics resulted in considerable progress toward the understanding of ASD pathophysiology. Currently, strategies to treat core symptoms of ASD are directed to correct synaptic dysfunctions, abnormalities in central oxytocin, vasopressin, and serotonin neurotransmission, and neuroinflammation. Here, we present a survey of the studies that have suggested molecular targets for drug development for ASD and the state-of-the-art of medicinal chemistry efforts in related areas.
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Affiliation(s)
- Enza Lacivita
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
| | - Roberto Perrone
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
| | - Lucia Margari
- Dipartimento di Scienze Mediche di Base, Neuroscienze e Organi di Senso, Unità di Neuropsichiatria Infantile, Università degli Studi di Bari Aldo Moro , Piazza Giulio Cesare 11, 70124 Bari, Italy
| | - Marcello Leopoldo
- Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari Aldo Moro , via Orabona 4, 70125, Bari, Italy
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32
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Tchetina E, Markova G. The clinical utility of gene expression examination in rheumatology. Mediterr J Rheumatol 2017; 28:116-126. [PMID: 32185269 PMCID: PMC7046055 DOI: 10.31138/mjr.28.3.116] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 05/24/2017] [Indexed: 01/09/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease with unknown etiology that affects various pathways within the immune system, involves many other tissues and is associated with pain and joint destruction. Current treatments fail to address pathophysiological and biochemical mechanisms involved in joint degeneration and the induction of pain. Moreover, RA patients are extremely heterogeneous and require specific treatments, the choice of which is complicated by the fact that not all patients equally respond to therapy. Gene expression analysis offer tools for patient management and personalization of patient’s care to meet individual needs in controlling inflammation and pain and delaying joint destruction.
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Affiliation(s)
- Elena Tchetina
- Immunology and Molecular Biology Laboratory, Nasonova Research Institute of Rheumatology, Moscow, Russia
| | - Galina Markova
- Immunology and Molecular Biology Laboratory, Nasonova Research Institute of Rheumatology, Moscow, Russia
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33
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Ferreira LM, Moura ÁFB, Barbosa GAS, Pereira HSG, Dos Santos Calderon P. Do matrix metalloproteinases play a role in degenerative disease of temporomandibular joint? A systematic review. Cranio 2017; 34:112-7. [PMID: 25647722 DOI: 10.1179/2151090314y.0000000034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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34
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Angiogenic and angiostatic factors in renal scleroderma-associated vasculopathy. Microvasc Res 2017; 114:41-45. [PMID: 28602918 DOI: 10.1016/j.mvr.2017.06.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/07/2017] [Accepted: 06/07/2017] [Indexed: 01/08/2023]
Abstract
BACKGROUND The angiogenesis in systemic sclerosis (SSc) is impaired. An imbalance of pro-angiogenic factors and angiogenesis inhibitors has been implicated in the progression of peripheral microvascular damage, defective vascular repair and fibrosis. Intrarenal resistance index are considered markers of renal vasculopathy. The aim of the study is to evaluate angiogenic and angiostatic factors (VEGF and endostatin) in SSc patients and to correlate with intrarenal hemodynamic parameters. METHODS 91 SSc patients were enrolled in this study. Serum VEGF and endostatin levels were determined. All patients underwent a renal Doppler ultrasound RESULTS: A significant positive correlation was observed between endostatin and renal Doppler parameters (p<0.0001). A negative correlation was observed between serum levels of endostatin and eGFR (p<0.01). In SSc patients with high resistive index, serum levels of endostatin were significantly (p<0.01) higher than in SSc patients with normal resistive index. The serum levels of endostatin significantly increased with progression of nailfold videocapillaroscopy damage (p<0.01) and were significantly (p<0.05) higher in SSc patients with digital ulcers than in SSc patients without digital ulcers. CONCLUSION This is the first study that assess in SSc patients intrarenal hemodynamic parameters and endostatin. In SSc patients, endostatin represents a marker of renal scleroderma-associated vasculopathy.
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35
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Sirt1 ameliorates systemic sclerosis by targeting the mTOR pathway. J Dermatol Sci 2017; 87:149-158. [PMID: 28532580 DOI: 10.1016/j.jdermsci.2017.04.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 03/26/2017] [Accepted: 04/25/2017] [Indexed: 01/17/2023]
Abstract
BACKGROUND Systemic sclerosis (SSc) is a chronic autoimmune disease characterized by inflammation and fibrosis. Our previous research has indicated that Sirtuin1 (Sirt1) plays a role in the regulation of TNF-α-induced inflammation; however, whether Sirt1 may inhibit the progress of SSc by blocking inflammation remains unknown. OBJECTIVE We aimed to investigate the function of Sirt1 in SSc. METHODS The function and its mechanism of Sirt1 were evaluated in fibroblasts or scleroderma mice. The expression of Sirt1 and cytokines was analyzed using real-time PCR, western blot, ELISA and immunohistochemistry. RESULTS We determined that fibroblasts of SSc patients were activated to exhibit inflammation. Sirt1, activated by resveratrol (Res), ameliorated cutaneous inflammation and fibrosis in bleomycin (BLM)-induced scleroderma mice. An improvement in mammalian target of rapamycin (mTOR) was identified in the fibroblasts of SSc patients and the skin lesions of BLM mice. Rapamycin, an mTOR specific inhibitor, substantially inhibited the induced inflammation and fibrosis. The enhancement of mTOR expression in the skin lesions of the BLM-treated mice was significantly inhibited by Sirt1 activation. However, in both the BLM-treated cells and mice, Res exerted an inhibitory function on the expression of inflammatory factors, and collagen was diminished following mTOR knockdown. These findings suggest that Res may inhibit inflammation and fibrosis via mTOR. CONCLUSION The modulation of Sirt1 activity may represent a potential therapeutic method for SSc. The mechanism may involve the inhibition of mTOR phosphorylation, whereas mTOR activity was shown to be a pathogenic culprit of SSc.
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36
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Ruan H, Liang X, Zhao W, Ma L, Zhao Y. The effects of microRNA-183 promots cell proliferation and invasion by targeting MMP-9 in endometrial cancer. Biomed Pharmacother 2017; 89:812-818. [PMID: 28273643 DOI: 10.1016/j.biopha.2017.02.091] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 02/23/2017] [Accepted: 02/23/2017] [Indexed: 01/12/2023] Open
Abstract
MiRNAs are known to play important roles in cancer cell development. However, the pattern and biological role of miR-183 in endometrial cancer (EC) have not been completely unexplored. Here, we found that miR-183 was upregulated in endometrial cancer cells. The purpose of the study was to evaluate the function of miR-183 in the endometrial cancer cell line and the mechanisms regulating its direct target protein in these processes. The mRNA and protein expressions were analyzed by quantitative RT-PCR and western blotting, respectively. The experiments about MTT assay, colony formation assay and transwell assay showed that miR-183 can positively regulate cell proliferation, migration and invasion in vitro. Furthermore, the in vivo experiments indicated that knockdown of miR-183 significantly attenuated EC cells growth. Mechanistically, luciferase reporter assay and western blotting assay was conducted to confirm target associations. The data analysis revealed that MMP-9 as a direct target of miR-183 in EC and there was a negatively relationship between miR-183 and MMP-9 expression in EC cells. Taken together, our results demonstrated that miR-183 plays a critical role in EC tumorigenesis and metastasis by suppressing MMP-9 expression, which may be an attractive therapeutic target for the treatment of endometrial cancer.
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Affiliation(s)
- Hongjie Ruan
- Department of Gynecology, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210000, China
| | - Xin Liang
- Department of Clinical Laboratory, Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing 210000, China
| | - Wei Zhao
- Department of Clinical Laboratory, Nanjing Maternity and Child Health Care Hospital, Nanjing 210000, China
| | - Li Ma
- Department of Clinical Laboratory, Huai'an Hospital, Xuzhou Medical University, Huai'an 223002, China.
| | - Yibing Zhao
- Department of Gynecology, Jiangsu Cancer Hospital, Nanjing 210000, China.
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37
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Fonseca FLA, da Costa Aguiar Alves B, Azzalis LA, Belardo TMG. Matrix Metalloproteases as Biomarkers of Disease. Methods Mol Biol 2017; 1579:299-311. [PMID: 28299745 DOI: 10.1007/978-1-4939-6863-3_17] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Matrix metalloprotease play a vital role in many cellular processes. Dysfunction in activity of these enzymes has been implicated in the pathogenesis of a number of diseases. Factors that affect the balanced interaction between MMPs and their inhibitors, such as genetic mutations of extracellular matrix components or dysregulation of MMP expression, can lead to various diseases. Due to their essential role in ECM remodeling, MMPs have become targets of interest as biomarkers for the diagnosis and prognosis of diseases associated with alterations of the ECM.
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Affiliation(s)
- Fernando Luiz Affonso Fonseca
- Departamento de Ciências Biológicas, Instituto de Ciências Químicas, Ambientais e Farmacêuticas, Universidade Federal de São Paulo, Diadema, SP, Brazil. .,Laboratório de Análises Clínicas-Anexo 3, Faculdade de Medicina do ABC, Vila Principe de Gales, n.821, Santo André, SP, 09060-650, Brazil.
| | - Beatriz da Costa Aguiar Alves
- Laboratório de Análises Clínicas-Anexo 3, Faculdade de Medicina do ABC, Vila Principe de Gales, n.821, Santo André, SP, 09060-650, Brazil
| | - Ligia Ajaime Azzalis
- Departamento de Ciências Biológicas, Instituto de Ciências Químicas, Ambientais e Farmacêuticas, Universidade Federal de São Paulo, Diadema, SP, Brazil
| | - Thaís Moura Gáscon Belardo
- Laboratório de Análises Clínicas-Anexo 3, Faculdade de Medicina do ABC, Vila Principe de Gales, n.821, Santo André, SP, 09060-650, Brazil
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Reiseter S, Molberg Ø, Gunnarsson R, Lund MB, Aalokken TM, Aukrust P, Ueland T, Garen T, Brunborg C, Michelsen A, Abraityte A, Hoffmann-Vold AM. Associations between circulating endostatin levels and vascular organ damage in systemic sclerosis and mixed connective tissue disease: an observational study. Arthritis Res Ther 2015; 17:231. [PMID: 26315510 PMCID: PMC4551562 DOI: 10.1186/s13075-015-0756-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 08/12/2015] [Indexed: 11/30/2022] Open
Abstract
Introduction Systemic sclerosis (SSc) and mixed connective tissue disease (MCTD) are chronic immune-mediated disorders complicated by vascular organ damage. The aim of this study was to examine the serum levels of the markers of neoangiogenesis: endostatin and vascular endothelial growth factor (VEGF), in our unselected cohorts of SSc and MCTD. Methods Sera of SSc patients (N = 298) and MCTD patients (N = 162) from two longitudinal Norwegian cohorts were included. Blood donors were included as controls (N = 100). Circulating VEGF and endostatin were analyzed by enzyme immunoassay. Results Mean endostatin levels were increased in SSc patients 93.7 (37) ng/ml (P < .001) and MCTD patients 83.2 (25) ng/ml (P < .001) compared to controls 65.1 (12) ng/ml. Median VEGF levels were elevated in SSc patients 209.0 (202) pg/ml compared to MCTD patients 181.3 (175) pg/ml (P = .017) and controls 150.0 (145) pg/ml (P < .001). Multivariable analysis of SSc subsets showed that pulmonary arterial hypertension (coefficient 15.7, 95 % CI: 2.2–29.2, P = .023) and scleroderma renal crisis (coefficient 77.6, 95 % CI: 59.3–100.0, P < .001) were associated with elevated endostatin levels. Multivariable analyses of MCTD subsets showed that digital ulcers were associated with elevated endostatin levels (coefficient 10.5, 95 % CI: 3.2–17.8, P = .005). The risk of death increased by 1.6 per SD endostatin increase (95 % CI: 1.2–2.1, P = .001) in the SSc cohort and by 1.6 per SD endostatin increase (95 % CI: 1.0–2.4, P = .041) in the MCTD cohort after adjustments to known risk factors. Conclusions Endostatin levels were elevated in patients with SSc and MCTD, particularly SSc patients with pulmonary arterial hypertension and scleroderma renal crisis, and MCTD patients with digital ulcers. Elevated endostatin levels were also associated with increased all-cause mortality during follow-up in both groups of patients. We propose that endostatin might indicate the degree of vascular injury in SSc and MCTD patients. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0756-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Silje Reiseter
- Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway.
| | - Øyvind Molberg
- Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,Department of Rheumatology, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
| | - Ragnar Gunnarsson
- Department of Rheumatology, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
| | - May Brit Lund
- Department of Respiratory Medicine, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
| | - Trond Mogens Aalokken
- Department of Radiology, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
| | - Pål Aukrust
- Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,Department of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway. .,Research Institute of Clinical Medicine, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway. .,K. G. Jebsen Inflammation Research Centre, Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,K. G. Jebsen Thrombosis Research and Expertise Centre, The Arctic University of Norway, Langnes, 9037, Tromsø, Norway.
| | - Thor Ueland
- Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,Research Institute of Clinical Medicine, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway. .,K. G. Jebsen Inflammation Research Centre, Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,K. G. Jebsen Thrombosis Research and Expertise Centre, The Arctic University of Norway, Langnes, 9037, Tromsø, Norway.
| | - Torhild Garen
- Department of Rheumatology, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
| | - Cathrine Brunborg
- Oslo Centre for Biostatistics and Epidemiology, Research Support Services, Oslo University Hospital, Ullevål, 0424, Oslo, Norway.
| | - Annika Michelsen
- Research Institute of Clinical Medicine, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway. .,K. G. Jebsen Thrombosis Research and Expertise Centre, The Arctic University of Norway, Langnes, 9037, Tromsø, Norway.
| | - Aurelija Abraityte
- Research Institute of Clinical Medicine, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway. .,K. G. Jebsen Thrombosis Research and Expertise Centre, The Arctic University of Norway, Langnes, 9037, Tromsø, Norway.
| | - Anna-Maria Hoffmann-Vold
- Institute of Clinical Medicine, University of Oslo, 0318, Oslo, Norway. .,Department of Rheumatology, Oslo University Hospital Rikshospitalet, 0424, Oslo, Norway.
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Akyol S, Cömertoğlu I, Firat R, Çakmak Ö, Yukselten Y, Erden G, Ugurcu V, Demircan K. Effect of insulin on the mRNA expression of procollagen N-proteinases in chondrosarcoma OUMS-27 cells. Oncol Lett 2015; 10:1091-1096. [PMID: 26622631 DOI: 10.3892/ol.2015.3317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Accepted: 04/14/2015] [Indexed: 12/30/2022] Open
Abstract
Chondrosarcoma is one of the most common bone tumors, and at present, there is no non-invasive treatment option for this cancer. The chondrosarcoma OUMS-27 cell line produces proteoglycan and type II, IX, and XI collagens, which constitutes cartilage tissue. A disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS) proteases are a group of secreted proteases, which include the procollagen N-proteinases ADAMTS-2, -3 and -14. These procollagen N-proteinases perform a role in the processing of procollagens to collagen and the maturation of type I collagen. The present study aimed to improve the understanding of the causes of metastasis, local invasion and resistance to chemo- and radiotherapy in chondrosarcoma, as well as the effect of insulin on cancer cells. The present study was designed to reveal the effects of insulin on procollagen N-proteinases in chondrosarcoma OUMS-27 cells. The cells were cultured in Dulbecco's modified Eagle's medium (DMEM) alone or in DMEM containing 10 µg/ml insulin. The medium was changed every other day for 11 days. The cells were harvested on days 1, 3, 7 and 11, and total RNA isolation was performed immediately following harvesting. The expression levels of ADAMTS2, ADAMTS3 and ADAMTS14 mRNA were estimated by reverse transcription-quantitative polymerase chain reaction using appropriate primers. ADAMTS2 mRNA expression was found to be decreased on day 7 (P=0.028) and increased at day 11 compared with the control group (P=0.016). The increase in mRNA concentration at day 11 was significantly different compared to the concentrations on days 3 (P=0.047) and 7 (P=0.008). The expression of ADAMTS3 mRNA decreased immediately subsequent to insulin induction on day 1 compared with the control group (P=0.008). The most evident decrease in mRNA concentration was seen at day 7 subsequent to insulin induction (P=0.008). The present results demonstrated that ADAMTS2 and ADAMTS3 may perform a role in the invasion and metastasis of tumors, and may also possess proteolytic activity that results in the breakdown of the extracellular matrix (ECM). Insulin itself can modulate the biosynthesis of ECM macromolecules that are altered in diabetes through various pathways.
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Affiliation(s)
- Sumeyya Akyol
- Department of Medical Biology, Turgut Ozal University School of Medicine, Ankara, Ankara 06170, Turkey
| | - Ismail Cömertoğlu
- Department of Medical Genetics, Faculty of Medicine, Mevlana University, Selcuklu, Konya 42003, Turkey
| | - Ridvan Firat
- Division of Clinical Biochemistry Laboratory, Golbasi Hospital, Ministry of Health, Golbasi, Ankara 06830, Turkey
| | - Özlem Çakmak
- Department of Biology, Faculty of Education, Gazi University, Ankara, Ankara 06500, Turkey
| | - Yunus Yukselten
- Department of Medical Biology, Faculty of Medicine, Ankara University, Sihhiye, Ankara 06100, Turkey
| | - Gönül Erden
- Department of Clinical Biochemistry, Faculty of Medicine, Hacettepe University, Ankara, Ankara 06100, Turkey
| | - Veli Ugurcu
- Department of Medical Biochemistry, Faculty of Medicine, Dumlupinar University, Kutahya, Kutahya 43266, Turkey
| | - Kadir Demircan
- Department of Medical Biology, Turgut Ozal University School of Medicine, Ankara, Ankara 06170, Turkey
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Grasso G, Bonnet S. Metal complexes and metalloproteases: targeting conformational diseases. Metallomics 2015; 6:1346-57. [PMID: 24870829 DOI: 10.1039/c4mt00076e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In recent years many metalloproteases (MPs) have been shown to play important roles in the development of various pathological conditions. Although most of the literature is focused on matrix MPs (MMPs), many other MPs have been demonstrated to be involved in the degradation of peptides or proteins whose accumulation and dyshomeostasis are considered as being responsible for the development of conformational diseases, i.e., diseases where non-native protein conformations lead to protein aggregation. It seems clear that, at least in principle, it must be possible to control the levels of many aggregation-prone proteins not only by reducing their production, but also by enhancing their catabolism. Metal complexes that can perform this function were designed and tested according to at least two different strategies: (i) intervening on the endogenous MPs by directly or indirectly modulating their activity; (ii) acting as artificial MPs, replacing or synergistically functioning with endogenous MPs. These two different bioinorganic approaches are widely represented in the current literature and the aim of this review is to rationally organize and discuss both of them so as to give a critical insight into these approaches and highlighting their limitations and future perspectives.
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Affiliation(s)
- Giuseppe Grasso
- Chemistry Department, Dipartimento di Scienze Chimiche, Università di Catania, Viale Andrea Doria 6, 95125, Catania, Italy.
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Yun SP, Lee SJ, Oh SY, Jung YH, Ryu JM, Suh HN, Kim MO, Oh KB, Han HJ. Reactive oxygen species induce MMP12-dependent degradation of collagen 5 and fibronectin to promote the motility of human umbilical cord-derived mesenchymal stem cells. Br J Pharmacol 2015; 171:3283-97. [PMID: 24627968 DOI: 10.1111/bph.12681] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 02/26/2014] [Accepted: 03/05/2014] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND AND PURPOSE Reactive oxygen species (ROS) are potent regulators of stem cell behaviour; however, their physiological significance as regards MMP-mediated regulation of the motility of human umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) has not been characterized. In the present study, we investigated the role of hydrogen peroxide (H2O2 ) and associated signalling pathways in promoting UCB-MSCs motility. EXPERIMENTAL APPROACH The regulatory effects of H2O2 on the activation of PKC, MAPKs, NF-κB and β-catenin were determined. The expressions of MMP and extracellular matrix proteins were examined. Pharmacological inhibitors and gene-specific siRNA were used to identify the signalling pathways of H2O2 that affect UCB-MSCs motility. An experimental skin wound-healing model was used to confirm the functional role of UCB-MSCs treated with H2O2 in ICR mice. KEY RESULTS H2O2 increased the motility of UCB-MSCs by activating PKCα via a calcium influx mechanism. H2O2 activated ERK and p38 MAPK, which are responsible for the distinct activation of transcription factors NF-κB and β-catenin. UCB-MSCs expressed eight MMP genes, but only MMP12 expression was uniquely regulated by NF-κB and β-catenin activation. H2O2 increased the MMP12-dependent degradation of collagen 5 (COL-5) and fibronectin (FN) associated with UCB-MSCs motility. Finally, topical transplantation of UCB-MSCs treated with H2O2 enhanced skin wound healing in mice. CONCLUSIONS AND IMPLICATIONS H2O2 stimulated UCB-MSCs motility by increasing MMP12-dependent degradation of COL-5 and FN through the activation of NF-κB and glycogen synthase kinase-3β/β-catenin, which is critical for providing a suitable microenvironment for MSCs transplantation and re-epithelialization of skin wounds in mice.
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Affiliation(s)
- Seung Pil Yun
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, Seoul National University, Seoul, Korea
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Grasso G. Monitoring the biomolecular interactions and the activity of Zn-containing enzymes involved in conformational diseases: experimental methods for therapeutic purposes. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2014; 97:115-42. [PMID: 25458357 DOI: 10.1016/bs.apcsb.2014.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Zinc metalloproteases (ZnMPs) participate in diverse biological reactions, encompassing the synthesis and degradation of all the major metabolites in living organisms. In particular, ZnMPs have been recognized to play a very important role in controlling the concentration level of several peptides and/or proteins whose homeostasis has to be finely regulated for the correct physiology of cells. Dyshomeostasis of aggregation-prone proteins causes pathological conditions and the development of several different diseases. For this reason, in recent years, many analytical approaches have been applied for studying the interaction between ZnMPs and their substrates/inhibitors and how environmental factors can affect enzyme activities. In this scenario, nuclear magnetic resonance, X-ray diffraction, mass spectrometric (MS), and optical methods occupy a very important role in elucidating different aspects of the ZnMPs-substrates/inhibitors interaction, ranging from identification of cleavage sites to quantitation of kinetic parameters and inhibition constants. Here, an overview of all the main achievements in the application of different experimental approaches with special attention to MS methods to the investigation of ZnMPs-substrates/inhibitors interaction is given. A general MS experimental protocol which has been proved to be useful to study such interactions is also described.
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Affiliation(s)
- Giuseppe Grasso
- Dipartimento di Scienze Chimiche, Università degli Studi di Catania, Catania, Italy.
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Chang N, Xiu L, Li L. Sphingosine 1-phosphate receptors negatively regulate collagen type I/III expression in human bone marrow-derived mesenchymal stem cell. J Cell Biochem 2014; 115:359-67. [PMID: 24038457 DOI: 10.1002/jcb.24670] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 09/06/2013] [Indexed: 12/15/2022]
Abstract
Collagen is the most abundant structural protein in mammals and is expressed in various tissues. In recent years, sphingosine 1-phosphate receptors (S1PRs) have been proven to play an important role in the regulation of collagen expression. Our previous studies reported that S1PRs are involved in TGF-β1-induced collagen expression via up-regulating S1PR1/3 in mouse bone marrow-derived mesenchymal stem cells (BMSCs), and result in experimental mouse liver fibrogenesis. But it remains unclear whether this process happens in human bone marrow-derived mesenchymal stem cells (hMSCs). In this study, we provide evidences that S1PR1/3, but not S1PR2, negatively regulate the expression of collagen in hMSCs using cellular and molecular approaches in vitro. We find that treatment of hMSCs with TGF-β1 up-regulated collagen expression in a dose- and time-dependent manner. Meanwhile, TGF-β1 inhibited the expression of S1PR1/3, but not S1PR2, in hMSCs in a time-dependent manner. Furthermore, either selective knock-down of S1PR1 or silencing S1PR3 induced collagen α1(I) and collagen α1(III) expression in hMSCs. In contrast, inhibition of S1PR2 by siRNA had no effects on the expression of collagen. Altogether, all these findings demonstrated that collagen expression was negatively regulated by S1PR1 and S1PR3 in hMSCs. This study highlights the differences between hMSCs and mouse BMSCs, provides a new regulation mechanism for collagen expression, and points out the risk of utilizing hMSCs in clinical applications.
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Affiliation(s)
- Na Chang
- Department of Cell Biology, Municipal Laboratory for Liver Protection and Regulation of Regeneration, Capital Medical University, Beijing, 100069, China
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Abstract
BACKGROUND Systemic sclerosis (SSc), or scleroderma, is a severe connective tissue disease. Although musculoskeletal involvement is frequent and causes significant functional disability in patients with SSc, articular cartilage thickness has not been previously investigated. The aim of this study was to compare the femoral cartilage thickness (FCT) in patients with SSc with that of controls who were matched for age, body mass index and osteoarthritis prevalence. METHODS The thickness of femoral articular cartilage was measured by ultrasonography in patients and controls. Three midpoint measurements were taken from each knee: lateral femoral condyle (LFC), femoral intercondylar area and medial femoral condyle (MFC). RESULTS Forty female patients with SSc and 85 female controls were included. In patients with SSc, 18 (45.0%) had diffuse SSc, 18 (45.0%) had limited SSc, 1 (2.5%) had overlap (polymyositis) and 3 (7.5%) had SSc sine scleroderma. The mean FCT measurements of patients with SSc at MFC of the right and left knees (1.86 and 1.84 mm, respectively) and LFC of the left knee (1.93 mm) were statistically lower than in the controls (right and left MFC, 2.23 and 2.25 mm, respectively, P < 0.0001, and left LFC 2.15 mm, P = 0.026). CONCLUSIONS Patients with SSc had thinner femoral cartilage compared with controls. The underlying possible mechanisms of thin FCT may be multifactorial, and there may be many influencing factors like immune activation, vasculopathy, oxidative stress and synovial fibrosis or markers of cartilage degradation. The possible factors influencing the change in cartilage thickness or metabolism in patients with SSc require further research.
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Xie J, Zhang Q, Zhu T, Zhang Y, Liu B, Xu J, Zhao H. Substrate stiffness-regulated matrix metalloproteinase output in myocardial cells and cardiac fibroblasts: implications for myocardial fibrosis. Acta Biomater 2014; 10:2463-72. [PMID: 24508540 DOI: 10.1016/j.actbio.2014.01.031] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 12/08/2013] [Accepted: 01/29/2014] [Indexed: 11/16/2022]
Abstract
Cardiac fibrosis, an important pathological feature of structural remodeling, contributes to ventricular stiffness, diastolic dysfunction, arrhythmia and may even lead to sudden death. Matrix stiffness, one of the many mechanical factors acting on cells, is increasingly appreciated as an important mediator of myocardial cell behavior. Polydimethylsiloxane (PDMS) substrates were fabricated with different stiffnesses to mimic physiological and pathological heart tissues, and the way in which the elastic modulus of the substrate regulated matrix-degrading gelatinases in myocardial cells and cardiac fibroblasts was explored. Initially, an increase in cell spreading area was observed, concomitant with the increase in PDMS stiffness in both cells. Later, it was demonstrated that the MMP-2 gene expression and protein activity in myocardial cells and cardiac fibroblasts can be enhanced with an increase in PDMS substrate stiffness and, moreover, such gene- and protein-related increases had a significant linear correlation with the elastic modulus. In comparison, the MMP-9 gene and protein expressions were up-regulated in cardiac fibroblasts only, not in myocardial cells. These results implied that myocardial cells and cardiac fibroblasts in the myocardium could sense the stiffness in pathological fibrosis and showed a differential but positive response in the expression of matrix-degrading gelatinases when exposed to an increased stiffening of the matrix in the microenvironment. The phenomenon of cells sensing pathological matrix stiffness can help to increase understanding of the mechanism underlying myocardial fibrosis and may ultimately lead to planning cure strategies.
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Affiliation(s)
- Jing Xie
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China
| | - Quanyou Zhang
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China; Department of Engineering Mechanics, Taiyuan University of Technology, Taiyuan 030024, People's Republic of China
| | - Ting Zhu
- School of Life Science, Tsinghua University, Beijing 100084, People's Republic of China
| | - Yanyan Zhang
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China
| | - Bailin Liu
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China
| | - Jianwen Xu
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530023, People's Republic of China
| | - Hucheng Zhao
- Institute of Biomechanics and Medical Engineering, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, People's Republic of China.
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Proinflammatory effects of diesel exhaust nanoparticles on scleroderma skin cells. J Immunol Res 2014; 2014:138751. [PMID: 24982919 PMCID: PMC4058589 DOI: 10.1155/2014/138751] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 05/09/2014] [Indexed: 01/06/2023] Open
Abstract
Autoimmune diseases are complex disorders of unknown etiology thought to result from interactions between genetic and environmental factors. We aimed to verify whether environmental pollution from diesel engine exhaust nanoparticulate (DEP) of actually operating vehicles could play a role in the development of a rare immune-mediated disease, systemic sclerosis (SSc), in which the pathogenetic role of environment has been highlighted. The effects of carbon-based nanoparticulate collected at the exhaust of newer (Euro 5) and older (Euro 4) diesel engines on SSc skin keratinocytes and fibroblasts were evaluated in vitro by assessing the mRNA expression of inflammatory cytokines (IL-1α, IL-6, IL-8, and TNF-α) and fibroblast chemical mediators (metalloproteases 2, 3, 7, 9, and 12; collagen types I and III; VEGF). DEP was shown to stimulate cytokine gene expression at a higher extent in SSc keratinocytes versus normal cells. Moreover, the mRNA gene expression of all MMPs, collagen types, and VEGF genes was significantly higher in untreated SSc fibroblasts versus controls. Euro 5 particle exposure increased the mRNA expression of MMP-2, -7, and -9 in SSc fibroblasts in a dose dependent manner and only at the highest concentration in normal cells. We suggest that environmental DEP could trigger the development of SSc acting on genetically hyperreactive cell systems.
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Kang L, Mayes WH, James FD, Bracy DP, Wasserman DH. Matrix metalloproteinase 9 opposes diet-induced muscle insulin resistance in mice. Diabetologia 2014; 57:603-13. [PMID: 24305966 PMCID: PMC4155606 DOI: 10.1007/s00125-013-3128-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 11/14/2013] [Indexed: 12/21/2022]
Abstract
AIMS/HYPOTHESIS Increased extracellular matrix (ECM) collagen is a characteristic of muscle insulin resistance. Matrix metalloproteinase (MMP) 9 is a primary enzyme that degrades collagen IV (ColIV). As a component of the basement membrane, ColIV plays a key role in ECM remodelling. We tested the hypotheses that genetic deletion of MMP9 in mice increases muscle ColIV, induces insulin resistance in lean mice and worsens diet-induced muscle insulin resistance. METHODS Wild-type (Mmp9(+/+)) and Mmp9-null (Mmp9(-/-)) mice were chow or high-fat (HF) fed for 16 weeks. Insulin action was measured by the hyperinsulinaemic-euglycaemic clamp in conscious weight-matched surgically catheterised mice. RESULTS Mmp9(-/-) and HF feeding independently increased muscle ColIV. ColIV in HF-fed Mmp9(-/-) mice was further increased. Mmp9(-/-) did not affect fasting insulin or glucose in chow- or HF-fed mice. The glucose infusion rate (GIR), endogenous glucose appearance (EndoRa) and glucose disappearance (Rd) rates, and a muscle glucose metabolic index (Rg), were the same in chow-fed Mmp9(+/+) and Mmp9(-/-) mice. In contrast, HF-fed Mmp9(-/-) mice had decreased GIR, insulin-stimulated increase in Rd and muscle Rg. Insulin-stimulated suppression of EndoRa, however, remained the same in HF-fed Mmp9(-/-) and Mmp9(+/+) mice. Decreased muscle Rg in HF-fed Mmp9(-/-) was associated with decreased muscle capillaries. CONCLUSIONS/INTERPRETATION Despite increased muscle ColIV, genetic deletion of MMP9 does not induce insulin resistance in lean mice. In contrast, this deletion results in a more profound state of insulin resistance, specifically in the skeletal muscle of HF-fed mice. These results highlight the importance of ECM remodelling in determining muscle insulin resistance in the presence of HF diet.
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Affiliation(s)
- Li Kang
- Department of Molecular Physiology and Biophysics, Vanderbilt University, 2215 Garland Ave, Nashville, TN, 37232, USA,
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Polimeni M, Prato M. Host matrix metalloproteinases in cerebral malaria: new kids on the block against blood-brain barrier integrity? Fluids Barriers CNS 2014; 11:1. [PMID: 24467887 PMCID: PMC3905658 DOI: 10.1186/2045-8118-11-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 01/24/2014] [Indexed: 12/23/2022] Open
Abstract
Cerebral malaria (CM) is a life-threatening complication of falciparum malaria, associated with high mortality rates, as well as neurological impairment in surviving patients. Despite disease severity, the etiology of CM remains elusive. Interestingly, although the Plasmodium parasite is sequestered in cerebral microvessels, it does not enter the brain parenchyma: so how does Plasmodium induce neuronal dysfunction? Several independent research groups have suggested a mechanism in which increased blood–brain barrier (BBB) permeability might allow toxic molecules from the parasite or the host to enter the brain. However, the reported severity of BBB damage in CM is variable depending on the model system, ranging from mild impairment to full BBB breakdown. Moreover, the factors responsible for increased BBB permeability are still unknown. Here we review the prevailing theories on CM pathophysiology and discuss new evidence from animal and human CM models implicating BBB damage. Finally, we will review the newly-described role of matrix metalloproteinases (MMPs) and BBB integrity. MMPs comprise a family of proteolytic enzymes involved in modulating inflammatory response, disrupting tight junctions, and degrading sub-endothelial basal lamina. As such, MMPs represent potential innovative drug targets for CM.
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Affiliation(s)
| | - Mauro Prato
- Dipartimento di Neuroscienze, Università di Torino, C,so Raffaello 30, 10125 Torino, Italy.
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Matrilysin-2 expression in colorectal cancer is associated with overall survival of patients. Tumour Biol 2013; 35:3569-74. [PMID: 24318970 DOI: 10.1007/s13277-013-1471-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 11/26/2013] [Indexed: 12/12/2022] Open
Abstract
Tumor recurrence and metastasis are pressing issues of patients with colorectal cancer who receive surgery. Matrilysin-2 (MMP-26) has been proved to play an important role during invasion and metastasis of some human solid tumor. We aimed to investigate the clinical significance and prognostic value of matrilysin-2 in human colorectal cancer. Colorectal cancer and adjacent normal samples from 201 patients were collected. Matrilysin-2 expression level was investigated by immunohistochemistry assay, and its association with overall survival of patients was analyzed by statistical analysis. Results showed that matrilysin-2 expression level significantly elevated in colorectal cancer compared with adjacent normal specimens. Matrilysin-2 expression was also found to be associated with cancer invasion, lymph node metastasis, distant metastasis, and TNM stage. In addition, survival analysis showed that elevated matrilysin-2 expression was associated with poor overall survival of patients. Cox's proportional hazards model indicated that matrilysin-2 was an independent prognostic marker for patients with colorectal cancer. The present study found that the expression of matrilysin-2 increased in colorectal cancer and was associated with tumor progression. It also provided the first evidence that matrilysin-2 expression was an independent prognostic factor for patients with colorectal cancer, which might be a high specific biomarker for colorectal cancer.
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Abdallah MW, Michel TM. Matrix metalloproteinases in autism spectrum disorders. J Mol Psychiatry 2013; 1:16. [PMID: 25408909 PMCID: PMC4223892 DOI: 10.1186/2049-9256-1-16] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Accepted: 09/02/2013] [Indexed: 01/19/2023] Open
Abstract
Autism Spectrum Disorders (ASD) are group of developmental disabilities with a complex neurobiological basis including putative changes in the immune system. They are characterized by pervasive qualitative abnormalities in social interactions, communication, and stereotyped behaviour. Matrix metalloproteinases (MMPs) represent a group of proteases which play an important role in neuroinflammation and neurodevelopment. Therefore, they possibly have a crucial function in the etiopathology of ASD. In this review, we summarize the plausibility of the hypothesis that MMPs are involved in the neuropathology of ASD. Possible pathways through which MMPs can contribute to the pathogenesis of ASD are discussed including neuroinflammatory mechanisms inclusive of mediating neuropathological effects of infections, the associations between MMPs and other biomarkers such as cytokines, chemokines and neurotrophic factors. Despite sufficient evidence for such an involvement of MMPs in the neuropathology of ASD, they have not yet been extensively studied in this context. Thus, further research in this field is not only urgently needed but also very promising and may also lead to new therapeutic approaches.
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Affiliation(s)
- Morsi W Abdallah
- Department of Psychiatry and Psychotherapy, Rostock University Medical Center, Gehlsheimer Straße 20, Rostock, 18147 Germany ; Department of Child and Adolescent Neuropsychiatry, Rostock University Medical Center, Gehlsheimer Str. 20, Rostock, 18147 Germany
| | - Tanja M Michel
- Department of Psychiatry and Psychotherapy, Rostock University Medical Center, Gehlsheimer Straße 20, Rostock, 18147 Germany
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