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Fuster-Martínez I, Calatayud S. The current landscape of antifibrotic therapy across different organs: A systematic approach. Pharmacol Res 2024; 205:107245. [PMID: 38821150 DOI: 10.1016/j.phrs.2024.107245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Fibrosis is a common pathological process that can affect virtually all the organs, but there are hardly any effective therapeutic options. This has led to an intense search for antifibrotic therapies over the last decades, with a great number of clinical assays currently underway. We have systematically reviewed all current and recently finished clinical trials involved in the development of new antifibrotic drugs, and the preclinical studies analyzing the relevance of each of these pharmacological strategies in fibrotic processes affecting tissues beyond those being clinically studied. We analyze and discuss this information with the aim of determining the most promising options and the feasibility of extending their therapeutic value as antifibrotic agents to other fibrotic conditions.
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Affiliation(s)
- Isabel Fuster-Martínez
- Departamento de Farmacología, Universitat de València, Valencia 46010, Spain; FISABIO (Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunidad Valenciana), Valencia 46020, Spain.
| | - Sara Calatayud
- Departamento de Farmacología, Universitat de València, Valencia 46010, Spain; CIBERehd (Centro de Investigación Biomédica en Red - Enfermedades Hepáticas y Digestivas), Spain.
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2
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Lin X, Long S, Yan C, Zou X, Zhang G, Zou J, Wu G. Therapeutic potential of vasculogenic mimicry in urological tumors. Front Oncol 2023; 13:1202656. [PMID: 37810976 PMCID: PMC10551447 DOI: 10.3389/fonc.2023.1202656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 09/06/2023] [Indexed: 10/10/2023] Open
Abstract
Angiogenesis is an essential process in the growth and metastasis of cancer cells, which can be hampered by an anti-angiogenesis mechanism, thereby delaying the progression of tumors. However, the benefit of this treatment modality could be restricted, as most patients tend to develop acquired resistance during treatment. Vasculogenic mimicry (VM) is regarded as a critical alternative mechanism of tumor angiogenesis, where studies have demonstrated that patients with tumors supplemented with VM generally have a shorter survival period and a poorer prognosis. Inhibiting VM may be an effective therapeutic strategy to prevent cancer progression, which could prove helpful in impeding the limitations of lone use of anti-angiogenic therapy when performed concurrently with other anti-tumor therapies. This review summarizes the mechanism of VM signaling pathways in urological tumors, i.e., prostate cancer, clear cell renal cell carcinoma, and bladder cancer. Furthermore, it also summarizes the potential of VM as a therapeutic strategy for urological tumors.
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Affiliation(s)
- Xinyu Lin
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Sheng Long
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Congcong Yan
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Xiaofeng Zou
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Guoxi Zhang
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Junrong Zou
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
| | - Gengqing Wu
- The First Clinical College, Gannan Medical University, Ganzhou, Jiangxi, China
- Department of Urology, The First Affiliated hospital of Gannan Medical University, Ganzhou, Jiangxi, China
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3
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Liu C, Gao X, Shi R, Wang Y, He X, Du H, Hu B, Jiao J, Liu C, Teng Z. Microglial transglutaminase 2 deficiency causes impaired synaptic remodelling and cognitive deficits in mice. Cell Prolif 2023; 56:e13439. [PMID: 36878712 PMCID: PMC10472527 DOI: 10.1111/cpr.13439] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/14/2023] [Accepted: 02/20/2023] [Indexed: 03/08/2023] Open
Abstract
Microglia are the primary source of transglutaminase 2 (TGM2) in the brain; however, the roles of microglial TGM2 in neural development and disease are still not well known. The aim of this study is to elucidate the role and mechanisms of microglial TGM2 in the brain. A mouse line with a specific knockout of Tgm2 in microglia was generated. Immunohistochemistry, Western blot and qRT-PCR assays were performed to evaluate the expression levels of TGM2, PSD-95 and CD68. Confocal imaging, immunofluorescence staining and behavioural analyses were conducted to identify phenotypes of microglial TGM2 deficiency. Finally, RNA sequencing, qRT-PCR and co-culture of neurons and microglia were used to explore the potential mechanisms. Deletion of microglial Tgm2 causes impaired synaptic pruning, reduced anxiety and increased cognitive deficits in mice. At the molecular level, the phagocytic genes, such as Cq1a, C1qb and Tim4, are significantly down-regulated in TGM2-deficient microglia. This study elucidates a novel role of microglial TGM2 in regulating synaptic remodelling and cognitive function, indicating that microglia Tgm2 is essential for proper neural development.
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Affiliation(s)
- Cong Liu
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
| | - Xing Gao
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Ruo‐Xi Shi
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Ying‐Ying Wang
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Xuan‐Cheng He
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
| | - Hong‐Zhen Du
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
| | - Baoyang Hu
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Jianwei Jiao
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Chang‐Mei Liu
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
| | - Zhao‐Qian Teng
- State Key Laboratory of Stem Cell and Reproductive BiologyInstitute of Zoology, Chinese Academy of SciencesBeijingChina
- Beijing Institute for Stem Cell and Regenerative MedicineBeijingChina
- Institute for Stem Cell and RegenerationChinese Academy of SciencesBeijingChina
- Savaid Medical SchoolUniversity of Chinese Academy of SciencesBeijingChina
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Vasić K, Knez Ž, Leitgeb M. Transglutaminase in Foods and Biotechnology. Int J Mol Sci 2023; 24:12402. [PMID: 37569776 PMCID: PMC10419021 DOI: 10.3390/ijms241512402] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Stabilization and reusability of enzyme transglutaminase (TGM) are important goals for the enzymatic process since immobilizing TGM plays an important role in different technologies and industries. TGM can be used in many applications. In the food industry, it plays a role as a protein-modifying enzyme, while, in biotechnology and pharmaceutical applications, it is used in mediated bioconjugation due to its extraordinary crosslinking ability. TGMs (EC 2.3.2.13) are enzymes that catalyze the formation of a covalent bond between a free amino group of protein-bound or peptide-bound lysine, which acts as an acyl acceptor, and the γ-carboxamide group of protein-bound or peptide-bound glutamine, which acts as an acyl donor. This results in the modification of proteins through either intramolecular or intermolecular crosslinking, which improves the use of the respective proteins significantly.
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Affiliation(s)
- Katja Vasić
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
| | - Željko Knez
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska Ulica 8, SI-2000 Maribor, Slovenia
| | - Maja Leitgeb
- Laboratory for Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, SI-2000 Maribor, Slovenia; (K.V.); (Ž.K.)
- Faculty of Medicine, University of Maribor, Taborska Ulica 8, SI-2000 Maribor, Slovenia
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Park JYC, King A, Björk V, English BW, Fedintsev A, Ewald CY. Strategic outline of interventions targeting extracellular matrix for promoting healthy longevity. Am J Physiol Cell Physiol 2023; 325:C90-C128. [PMID: 37154490 DOI: 10.1152/ajpcell.00060.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
The extracellular matrix (ECM), composed of interlinked proteins outside of cells, is an important component of the human body that helps maintain tissue architecture and cellular homeostasis. As people age, the ECM undergoes changes that can lead to age-related morbidity and mortality. Despite its importance, ECM aging remains understudied in the field of geroscience. In this review, we discuss the core concepts of ECM integrity, outline the age-related challenges and subsequent pathologies and diseases, summarize diagnostic methods detecting a faulty ECM, and provide strategies targeting ECM homeostasis. To conceptualize this, we built a technology research tree to hierarchically visualize possible research sequences for studying ECM aging. This strategic framework will hopefully facilitate the development of future research on interventions to restore ECM integrity, which could potentially lead to the development of new drugs or therapeutic interventions promoting health during aging.
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Affiliation(s)
- Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
| | - Aaron King
- Foresight Institute, San Francisco, California, United States
| | | | - Bradley W English
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
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6
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Barathi VA, Ho CEH, Tong L. Molecular Basis of Transglutaminase-2 and Muscarinic Cholinergic Receptors in Experimental Myopia: A Target for Myopia Treatment. Biomolecules 2023; 13:1045. [PMID: 37509081 PMCID: PMC10377462 DOI: 10.3390/biom13071045] [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: 05/23/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Myopia, a prevalent refractive error disorder worldwide, is characterized by the elongation of the eye, leading to visual abnormalities. Understanding the genetic factors involved in myopia is crucial for developing therapeutic and preventive measures. Unfortunately, only a limited number of genes with well-defined functionality have been associated with myopia. In this study, we found that the homozygous TGM2-deleted gene in mice protected against the development of myopia by slowing down the elongation of the eye. The effectiveness of gene knockdown was confirmed by achieving a 60 percent reduction in TGM-2 transcript levels through the use of TGM-2-specific small interfering RNA (siRNA) in human scleral fibroblasts (SFs). Furthermore, treating normal mouse SFs with various transglutaminase inhibitors led to the down-regulation of TGM-2 expression, with the most significant reduction observed with specific TGM-2 inhibitors. Additionally, the study found that the pharmacological blockade of muscarinic receptors also slowed the progression of myopia in mice, and this effect was accompanied by a decrease in TGM-2 enzyme expression. Specifically, mice with homozygous mAChR5, mAChR1, and/or mAChR4 and knockout mice exhibited higher levels of TGM-2 mRNA compared to mice with homozygous mAChR2 and three knockout mice (fold changes of 5.8, 2.9, 2.4, -2.2, and -4.7, respectively; p < 0.05). These findings strongly suggest that both TGM-2 and muscarinic receptors play central roles in the development of myopia, and blocking these factors could potentially be useful in interfering with the progression of this condition. In conclusion, targeting TGM-2 may have a beneficial effect regarding myopia, and this may also be at least partially be the mechanism of anti-muscarinic drugs in myopia. Further studies should investigate the interaction between TGM-2 and muscarinic receptors, as well as the changes in other extracellular matrix genes associated with growth during the development of myopia.
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Affiliation(s)
- Veluchamy Amutha Barathi
- Translational Preclinical Model Platform, Singapore Eye Research Institute, 20 College Road, Singapore 169856, Singapore
- Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore, National University Hospital System, 10 Medical Dr, Singapore 117597, Singapore
- Eye-Academic Clinical Program, DUKE-National University of Singapore Gr Medical School, 8 College Road, Singapore 169857, Singapore
| | - Candice E H Ho
- Translational Preclinical Model Platform, Singapore Eye Research Institute, 20 College Road, Singapore 169856, Singapore
| | - Louis Tong
- Eye-Academic Clinical Program, DUKE-National University of Singapore Gr Medical School, 8 College Road, Singapore 169857, Singapore
- Corneal and External Eye Disease, Singapore National Eye Centre, 11 Third Hospital Avenue, Singapore 168751, Singapore
- Ocular Surface Research Group, Singapore Eye Research Institute, 20 College Road, Singapore 169856, Singapore
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Singla A, Reuter S, Taube C, Peters M, Peters K. The molecular mechanisms of remodeling in asthma, COPD and IPF with a special emphasis on the complex role of Wnt5A. Inflamm Res 2023; 72:577-588. [PMID: 36658268 PMCID: PMC10023767 DOI: 10.1007/s00011-023-01692-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 11/28/2022] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
INTRODUCTION Chronic inflammatory lung diseases are a common cause of suffering and death. Chronic obstructive pulmonary disease (COPD) is the reason for 6% of all deaths worldwide. A total of 262 million people are affected by asthma and 461,000 people died in 2019. Idiopathic pulmonary fibrosis (IPF) is diagnosed in 3 million people worldwide, with an onset over the age of 50 with a mean survival of only 24-30 months. These three diseases have in common that remodeling of the lung tissue takes place, which is responsible for an irreversible decline of lung function. Pathological lung remodeling is mediated by a complex interaction of different, often misguided, repair processes regulated by a variety of mediators. One group of these, as has recently become known, are the Wnt ligands. In addition to their well-characterized role in embryogenesis, this group of glycoproteins is also involved in immunological and structural repair processes. Depending on the combination of the Wnt ligand with its receptors and co-receptors, canonical and noncanonical signaling cascades can be induced. Wnt5A is a mediator that is described mainly in noncanonical Wnt signaling and has been shown to play an important role in different inflammatory diseases and malignancies. OBJECTIVES In this review, we summarize the literature available regarding the role of Wnt5A as an immune modulator and its role in the development of asthma, COPD and IPF. We will focus specifically on what is known about Wnt5A concerning its role in the remodeling processes involved in the chronification of the diseases. CONCLUSION Wnt5A has been shown to be involved in all three inflammatory lung diseases. Since the ligand affects both structural and immunological processes, it is an interesting target for the treatment of lung diseases whose pathology involves a restructuring of the lung tissue triggered in part by an inflammatory immune response.
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Affiliation(s)
- Abhinav Singla
- Department of Pulmonary Medicine, University Medical Center Essen-Ruhrlandklinik, Essen, Germany
- Department of Molecular Immunology, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Sebastian Reuter
- Department of Pulmonary Medicine, University Medical Center Essen-Ruhrlandklinik, Essen, Germany
| | - Christian Taube
- Department of Pulmonary Medicine, University Medical Center Essen-Ruhrlandklinik, Essen, Germany
| | - Marcus Peters
- Department of Molecular Immunology, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany.
| | - Karin Peters
- Department of Molecular Immunology, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
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Malik M, Britten JL, DeAngelis A, Sitler C, Moran S, Roura-Monllor JA, Driggers P, Catherino WH. Curcumin inhibits human leiomyoma xenograft tumor growth and induces dissolution of the extracellular matrix. F&S SCIENCE 2023; 4:74-89. [PMID: 36273722 DOI: 10.1016/j.xfss.2022.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/12/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To determine whether a curcumin-supplemented diet would prevent and/or treat uterine leiomyoma growth in our mouse xenograft model. DESIGN Animal study. SETTING Laboratory study. PATIENT(S) N/A. INTERVENTION(S) Curcumin-supplemented diet. MAIN OUTCOME MEASURE(S) Dietary intake, blood concentrations, tumor size, extracellular matrix protein concentrations, apoptosis markers. RESULT(S) We found that curcumin was well tolerated as a dietary supplement, free curcumin and its metabolites were detected in the serum, and exposure resulted in approximately 60% less leiomyoma xenograft growth as well as dissolution of the peripheral extracellular matrix architecture of the xenografts. The production of matrix proteins, including collagens, decreased, whereas the number of apoptotic cells in the xenografts increased. Additionally, when xenografts were placed in a uterine intramural location, we found a significantly increased apoptotic response to curcumin in the diet. CONCLUSION(S) Mice on a diet supplemented with curcumin could achieve serum concentrations sufficient to regulate human leiomyoma xenograft growth, and curcumin could play both preventive and curative roles in the treatment of uterine leiomyoma as an oral nutritional supplement.
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Affiliation(s)
- Minnie Malik
- Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Joy L Britten
- Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Anthony DeAngelis
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Collin Sitler
- Department of Gynecologic Surgery and Obstetrics, Walter Reed National Military Medical Center, Bethesda, Maryland
| | - Sean Moran
- Biomedical Instrumentation Center, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Jaime A Roura-Monllor
- Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Paul Driggers
- Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - William H Catherino
- Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland; National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.
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Qiu Z, Guo S, Liu G, Pei M, Liao Y, Wang J, Zhang J, Yang D, Qiao Z, Li Z, Ma Z, Liu Z, Yang X. TGM2 inhibits the proliferation, migration and tumorigenesis of MDCK cells. PLoS One 2023; 18:e0285136. [PMID: 37115802 PMCID: PMC10146566 DOI: 10.1371/journal.pone.0285136] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Madin-Darby canine kidney (MDCK) cells are one of the main cell lines used for influenza vaccine production due to their high virus yield and low mutation resistance. Due to their high tumorigenicity, the safety of vaccines produced from these cells is controversial. TGM2 is a multifunctional protein that plays an important role in the adhesion and migration of cells and is associated with tumor formation. We found that the expression level of TGM2 was significantly up-regulated in low tumorigenic MDCK cells. We first analyzed TGM2-overexpressed and knockout MDCK cells in vitro. Scratch-wound assay and Transwell chamber experiments showed that TGM2 overexpression significantly inhibited the migration and invasion of MDCK cells and significantly reduced their proliferation. TGM2 knockout significantly enhanced cell migration, invasion, and proliferation. The tumorigenesis results in nude mice were consistent with those in vitro. TGM2 knockout significantly enhanced the tumorigenesis rate of MDCK cells in nude mice. We also investigated the effects of TGM2 gene expression on the replication of the H1N1 influenza A virus in MDCK cells. The results showed that TGM2 induced the negative regulation of H1N1 replication. These findings contribute to a comprehensive understanding of the tumor regulation mechanism and biological functions of TGM2.
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Affiliation(s)
- Zhenyu Qiu
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Life Science and Engineering College of Northwest Minzu University, Lanzhou, China
| | - Shouqing Guo
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Life Science and Engineering College of Northwest Minzu University, Lanzhou, China
| | - Geng Liu
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Life Science and Engineering College of Northwest Minzu University, Lanzhou, China
| | - Mengyuan Pei
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Life Science and Engineering College of Northwest Minzu University, Lanzhou, China
| | - Yuejiao Liao
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Life Science and Engineering College of Northwest Minzu University, Lanzhou, China
| | - Jiamin Wang
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Jiayou Zhang
- National Engineering Technology Research Center of Combined Vaccines, Wuhan, China
- China National Biotec Group Company Limited, Beijing, China
| | - Di Yang
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Zilin Qiao
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Zhuo Li
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Zhongren Ma
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Zhenbin Liu
- Northwest Minzu University, Biomedical Research Center, Gansu Tech Innovation Center of Animal Cell, Lanzhou, China
- Northwest Minzu University, Biomedical Research Center, Key Laboratory of Biotechnology & Bioengineering of State Ethnic Affairs Commission, Lanzhou, China
| | - Xiaoming Yang
- National Engineering Technology Research Center of Combined Vaccines, Wuhan, China
- China National Biotec Group Company Limited, Beijing, China
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10
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Nakamura R, Bing R, Gartling GJ, Branski RC. Macrophages alter inflammatory and fibrotic gene expression in human vocal fold fibroblasts. Exp Cell Res 2022; 419:113301. [PMID: 35931141 DOI: 10.1016/j.yexcr.2022.113301] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/05/2022] [Accepted: 07/26/2022] [Indexed: 11/04/2022]
Abstract
Macrophage phenotypes are simplistically classified as pro-inflammatory (M1) or anti-inflammatory/pro-fibrotic (M2). Phenotypically different macrophages are putatively involved in vocal fold (VF) fibrosis. The current study investigated interactions between macrophages and VF fibroblasts. THP-1 monocyte-derived macrophages were treated with interferon-gamma (IFN-γ), lipopolysaccharide (LPS)/IFN-γ, interleukin-10 (IL10), transforming growth factor-β1 (TGF-β), or interleukin-4 (IL4) for 24 h (M(IFN), M(IFN/LPS), M(IL10), M(TGF), and M(IL4), respectively; M(-) denotes untreated macrophages). Differentially activated macrophages and human VF fibroblasts were co-cultured ± direct contact. Expression of CXCL10, CCN2, ACTA2, FN1, TGM2, and LOX was quantified by real-time polymerase chain reaction. Type I collagen and smooth muscle actin (SMA) were observed by immunofluorescence. CXCL10 and PTGS2 were upregulated in fibroblasts indirectly co-cultured with M(IFN) and M(IFN/LPS). M(TGF) stimulated CCN2, ACTA2, and FN1 in fibroblasts. Enzymes involved in extracellular matrix crosslinking (TGM2, LOX) were increased in monocultured M(IL4) compared to M(-). Direct co-culture with all macrophages increased type I collagen and SMA in fibroblasts. Macrophage phenotypic shift was consistent with stimulation and had downstream differential effects on VF fibroblasts. Direct contact with macrophages, regardless of phenotype, stimulated a pro-fibrotic response in VF fibroblasts. Collectively, these data suggest meaningful interactions between macrophages and fibroblasts mediate fibrosis.
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Affiliation(s)
- Ryosuke Nakamura
- Rehabilitation Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - Renjie Bing
- Rehabilitation Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - Gary J Gartling
- Rehabilitation Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - Ryan C Branski
- Rehabilitation Medicine, NYU Grossman School of Medicine, New York, NY, USA; Otolaryngology-Head and Neck Surgery, NYU Grossman School of Medicine, New York, NY, USA.
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11
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Kurt-Celep İ, Nihan Kilinc A, Griffin M, Telci D. Nitrosylation of Tissue Transglutaminase enhances fibroblast migration and regulates MMP activation. Matrix Biol 2021; 105:1-16. [PMID: 34763097 DOI: 10.1016/j.matbio.2021.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/22/2021] [Accepted: 10/29/2021] [Indexed: 12/11/2022]
Abstract
In wound healing, the TG2 enzyme plays a dual functional role. TG2 has been shown to regulate extracellular matrix (ECM) stabilization by its transamidase activity while increasing cell migration by acting as a cell adhesion molecule. In this process, nitric oxide (NO) plays a particularly important role by nitrosylation of free cysteine residues on TG2, leading to the irreversible inactivation of the catalytic activity. In this study, transfected fibroblasts expressing TG2 under the control of the tetracycline-off promoter were treated with NO donor s-nitroso-n-acetyl penicillamine (SNAP) to analyze the interplay between NO and TG2 in the regulation of cell migration/invasion as well as TGF-β1-dependent MMP activation. Our results demonstrated that inhibition of TG2 cross-linking activity by SNAP promoted the migration and invasion capacity of fibroblasts by hindering TG2-mediated TGF-β1 activation. While the inhibition of TG2 activity by NO downregulated the biosynthesis and activity of MMP-2 and MMP-9, that of MMP-1a and MMP-13 shown to be upregulated in a TGF-β1-dependent manner under the same conditions. In the presence of SNAP, interaction of TG2 with its cell surface binding partners Integrin-β1 and Syndecan-4 was reduced, which was paralleled by an increase in TG2 and PDGF association. These findings suggests that migratory phenotype of fibroblasts can be regulated by the interplay between nitric oxide and TG2 activity.
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Affiliation(s)
- İnci Kurt-Celep
- Department of Genetics and Bioengineering, Yeditepe University, 26 August Campus, Kayisdagi, Atasehir, Istanbul 34755, Turkey
| | - Ayse Nihan Kilinc
- Department of Genetics and Bioengineering, Yeditepe University, 26 August Campus, Kayisdagi, Atasehir, Istanbul 34755, Turkey; Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ, USA
| | - Martin Griffin
- School of Life and Health Sciences, Aston University, Birmingham, United Kingdom
| | - Dilek Telci
- Department of Genetics and Bioengineering, Yeditepe University, 26 August Campus, Kayisdagi, Atasehir, Istanbul 34755, Turkey.
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12
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Gouarderes S, Ober C, Doumard L, Dandurand J, Vicendo P, Fourquaux I, Golberg A, Samouillan V, Gibot L. Pulsed electric fields induce extracellular matrix remodeling through MMPs activation and decreased collagen production. J Invest Dermatol 2021; 142:1326-1337.e9. [PMID: 34688615 DOI: 10.1016/j.jid.2021.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/10/2021] [Accepted: 09/28/2021] [Indexed: 11/15/2022]
Affiliation(s)
- Sara Gouarderes
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Camille Ober
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Layal Doumard
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Jany Dandurand
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Patricia Vicendo
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France
| | - Isabelle Fourquaux
- Centre de Microscopie Électronique Appliquée à la Biologie, CMEAB, 133 route de Narbonne, 31062 Toulouse, France
| | - Alexander Golberg
- Porter School of Environment and Earth Sciences Studies, Tel Aviv University, Tel Aviv, Israel
| | - Valérie Samouillan
- CIRIMAT UMR 5085, Université de Toulouse, Université Toulouse III - Paul Sabatier, France
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
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13
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Affiliation(s)
- Yan Y Sanders
- Department of Medicine University of Alabama at Birmingham Birmingham, Alabama
| | - Gang Liu
- Department of Medicine University of Alabama at Birmingham Birmingham, Alabama
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14
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Pehrsson M, Mortensen JH, Manon-Jensen T, Bay-Jensen AC, Karsdal MA, Davies MJ. Enzymatic cross-linking of collagens in organ fibrosis - resolution and assessment. Expert Rev Mol Diagn 2021; 21:1049-1064. [PMID: 34330194 DOI: 10.1080/14737159.2021.1962711] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: Enzymatic cross-linking of the collagens within the extracellular matrix (ECM) catalyzed by enzymes such as lysyl oxidase (LOX) and lysyl oxidase like-enzymes 1-4 (LOXL), transglutaminase 2 (TG2), and peroxidasin (PXDN) contribute to fibrosis progression through extensive collagen cross-linking. Studies in recent years have begun elucidating the important role of collagen cross-linking in perpetuating progression of organ fibrosis independently of inflammation through an increasingly stiff and noncompliant ECM. Therefore, collagen cross-linking and the cross-linking enzymes have become new targets in anti-fibrotic therapy as well as targets of novel biomarkers to properly assess resolution of the fibrotic ECM.Areas covered: The enzymatic actions of enzymes catalyzing collagen cross-linking and their relevance in organ fibrosis. Potential biomarkers specifically quantifying proteolytic fragments of collagen cross-linking is discussed based on Pubmed search done in November 2020 as well as the authors knowledge.Expert opinion: Current methods for the assessment of fibrosis involve the use of invasive and/or cumbersome and expensive methods such as tissue biopsies. Thus, an unmet need exists for the development and validation of minimally invasive biomarkers of proteolytic fragments of cross-linked collagens. These biomarkers may aid in the development and proper assessment of fibrosis resolution in coming years.
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Affiliation(s)
- Martin Pehrsson
- Department of Biomedical Science, University of Copenhagen, Copenhagen, Denmark.,Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
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15
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Han Y, Zhang Y, Wu S, Jalalah M, Alsareii SA, Yin Y, Harraz FA, Li G. Co-assembly of Peptides and Carbon Nanodots: Sensitive Analysis of Transglutaminase 2. ACS APPLIED MATERIALS & INTERFACES 2021; 13:36919-36925. [PMID: 34328724 DOI: 10.1021/acsami.1c10326] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The structures assembled by peptides have attracted great attention due to their unique physicochemical properties. Moreover, the co-assembly of peptides with additional components can endow the structures with extended functions. In this work, we have explored the co-assembly of peptides and carbon nanodots (CNDs) by taking advantage of their non-covalent binding; thus, the obtained structure may show both the recognition capability of peptides and the catalytic activity of CNDs. Therefore, we have further used the assembled structure for the sensitive analysis of transglutaminase 2 with a low detection limit of 0.25 pg/mL. By simply replacing the peptide sequences or the nanomaterials, the strategy proposed in this work can be developed as a universal model to build the co-assemblies of peptides and nanomaterials, thus leading to their broader applications in biological and biomedical research.
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Affiliation(s)
- Yiwei Han
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Yichen Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Shuai Wu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, P. R. China
| | - Mohammed Jalalah
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia
- Department of Electrical Engineering, Faculty of Engineering, Najran University, Najran 11001, Saudi Arabia
| | - Saeed A Alsareii
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia
- Department of Surgery, College of Medicine, Najran University, Najran 11001, Saudi Arabia
| | - Yongmei Yin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, P. R. China
| | - Farid A Harraz
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia
- Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87 Helwan, Cairo 11421, Egypt
| | - Genxi Li
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
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16
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Extracellular vesicles and the extracellular matrix: a new paradigm or old news? Biochem Soc Trans 2021; 48:2335-2345. [PMID: 33125481 DOI: 10.1042/bst20200717] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 02/06/2023]
Abstract
Extracellular vesicles (EV) are implicated in a variety of functions affecting the extracellular matrix (ECM), including matrix degradation, cross-linking of matrix proteins and matrix calcification. These processes are important in many physiological contexts such as angiogenesis and wound healing, and dysregulation of ECM homeostasis contributes to a wide range of diseases including fibrosis, cancer and arthritis. Most studies of EV have focussed on their roles in cell:cell communication, but EV can exist as integral components of the ECM. By far the most well-characterised ECM-resident EV are matrix vesicles (MV) in bone, but the broader role of EV in the ECM is not well understood. This review will explore what is known of the roles of EV in the ECM and will also highlight the similarities and differences between MV and other EV.
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17
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Tatsukawa H, Hitomi K. Role of Transglutaminase 2 in Cell Death, Survival, and Fibrosis. Cells 2021; 10:cells10071842. [PMID: 34360011 PMCID: PMC8307792 DOI: 10.3390/cells10071842] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/27/2022] Open
Abstract
Transglutaminase 2 (TG2) is a ubiquitously expressed enzyme catalyzing the crosslinking between Gln and Lys residues and involved in various pathophysiological events. Besides this crosslinking activity, TG2 functions as a deamidase, GTPase, isopeptidase, adapter/scaffold, protein disulfide isomerase, and kinase. It also plays a role in the regulation of hypusination and serotonylation. Through these activities, TG2 is involved in cell growth, differentiation, cell death, inflammation, tissue repair, and fibrosis. Depending on the cell type and stimulus, TG2 changes its subcellular localization and biological activity, leading to cell death or survival. In normal unstressed cells, intracellular TG2 exhibits a GTP-bound closed conformation, exerting prosurvival functions. However, upon cell stimulation with Ca2+ or other factors, TG2 adopts a Ca2+-bound open conformation, demonstrating a transamidase activity involved in cell death or survival. These functional discrepancies of TG2 open form might be caused by its multifunctional nature, the existence of splicing variants, the cell type and stimulus, and the genetic backgrounds and variations of the mouse models used. TG2 is also involved in the phagocytosis of dead cells by macrophages and in fibrosis during tissue repair. Here, we summarize and discuss the multifunctional and controversial roles of TG2, focusing on cell death/survival and fibrosis.
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18
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Takeuchi T, Tatsukawa H, Shinoda Y, Kuwata K, Nishiga M, Takahashi H, Hase N, Hitomi K. Spatially Resolved Identification of Transglutaminase Substrates by Proteomics in Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2021; 65:319-330. [PMID: 34264172 DOI: 10.1165/rcmb.2021-0012oc] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is characterized by the invariably progressive deposition of fibrotic tissue in the lungs and overall poor prognosis. Transglutaminase 2 (TG2) is an enzyme that crosslinks glutamine and lysine residues and is involved in IPF pathogenesis. Despite the accumulating evidence implicating TG2 as a critical enzyme, the causative function and direct target of TG2 relating to this pathogenesis remain unelucidated. Here, we clarified the distributions of TG2 protein/activity and conducted quantitative proteomics analyses of possible substrates crosslinked by TG2 on unfixed lung sections in a mouse pulmonary fibrosis model. We identified 126 possible substrates as markedly increased TG2-dependently in fibrotic lung. Gene ontology analysis revealed that these identified proteins were mostly enriched in the lipid metabolic process, immune system process, and protein transport. In addition, these proteins enriched in the 21 pathways including phagosome, lipid metabolism, several immune responses, and protein processing in endoplasmic reticulum. Furthermore, the network analyses screened out the 6 clusters and top 20 hub proteins with higher scores, which are related to ER stress and peroxisome proliferator-activated receptor signals. Several enriched pathways and categories were identified, and some of which were the same terms based on transcription analysis in IPF. Our results provide novel pathological molecular networks driven by protein crosslinking via TG2, which can lead to the development of new therapeutic targets for IPF.
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Affiliation(s)
- Taishu Takeuchi
- Tokai National Higher Education and Research System, Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya, Japan
| | - Hideki Tatsukawa
- Tokai National Higher Education and Research System, Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya, Japan;
| | - Yoshiki Shinoda
- Tokai National Higher Education and Research System, Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya, Japan
| | - Keiko Kuwata
- Tokai National Higher Education and Research System, Institute of Transformative Bio-Molecules (ITbM), Nagoya University, Nagoya, Japan
| | | | | | | | - Kiyotaka Hitomi
- Tokai National Higher Education and Research System, Graduate School of Pharmaceutical Sciences, Nagoya University, Nagoya, Japan
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19
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Dulnik J, Sajkiewicz P. Crosslinking of Gelatin in Bicomponent Electrospun Fibers. MATERIALS 2021; 14:ma14123391. [PMID: 34207435 PMCID: PMC8234684 DOI: 10.3390/ma14123391] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 12/01/2022]
Abstract
Four chemical crosslinking methods were used in order to prevent gelatin leaching in an aqueous environment, from bicomponent polycaprolactone/gelatin (PCL/Gt) nanofibers electrospun from an alternative solvent system. A range of different concentrations and reaction times were employed to compare genipin, 1-(3-dimethylaminopropyl)-N’-ethylcarbodimide hydrochloride/N-hydroxysuccinimide (EDC/NHS), 1,4-butanediol diglycidyl ether (BDDGE), and transglutaminase. The objective was to optimize and find the most effective method in terms of reaction time and solution concentration, that at the same time provides satisfactory gelatin crosslinking degree and ensures good morphology of the fibers, even after 24 h in aqueous medium in 37 °C. The series of experiments demonstrated that, out of the four compared crosslinking methods, EDC/NHS was able to yield satisfactory results with the lowest concentrations and the shortest reaction times.
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20
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Oliverio S, Beltran JSO, Occhigrossi L, Bordoni V, Agrati C, D'Eletto M, Rossin F, Borelli P, Amarante-Mendes GP, Demidov O, Barlev NA, Piacentini M. Transglutaminase Type 2 is Involved in the Hematopoietic Stem Cells Homeostasis. BIOCHEMISTRY (MOSCOW) 2021; 85:1159-1168. [PMID: 33202201 DOI: 10.1134/s0006297920100041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Type 2 transglutaminase (TG2) is a multifunctional protein involved in various biological processes playing a key regulatory role in cell homeostasis such as cell death and autophagy. New evidence is emerging that support an important role of autophagy in regulating normal hematopoiesis. Prompted by these findings, in this study we investigated in vivo involvement of TG2 in mouse hematopoiesis under normal or nutrient deprivation conditions. We found that the number and rate of differentiation of bone marrow hematopoietic stem cell was decreased in the TG2 knockout mice. We present evidence showing that these effects on hematopoietic system are very likely due to the TG2-dependent impairment of autophagy. In fact, stimulation of autophagy by starvation is able to rescue the block of the differentiation of stem cells progenitors in the TG2 KO mice. It was also shown that the RhoA/ERK½ pathway, known to be essential for regulation of the bone marrow progenitor cells homeostasis, was significantly impaired in the absence of TG2. Hence, this study expanded our knowledge about TG2 discovering a role of this enzyme in regulation of hematopoiesis.
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Affiliation(s)
- S Oliverio
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy
| | - J S O Beltran
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy.,Clinical and Experimental Hematology Laboratory, Department of Clinical and Toxicological Analysis, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - L Occhigrossi
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy
| | - V Bordoni
- National Institute for Infectious Diseases I. R. C. C. S. "Lazzaro Spallanzani" Rome, 00149, Italy
| | - C Agrati
- National Institute for Infectious Diseases I. R. C. C. S. "Lazzaro Spallanzani" Rome, 00149, Italy
| | - M D'Eletto
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy
| | - F Rossin
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy
| | - P Borelli
- Clinical and Experimental Hematology Laboratory, Department of Clinical and Toxicological Analysis, Faculty of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - G P Amarante-Mendes
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - O Demidov
- Laboratory of Molecular Medicine, Institute of Cytology, Russian Academy of Sciences, St.-Petersburg, 194064, Russia
| | - N A Barlev
- Laboratory of Molecular Medicine, Institute of Cytology, Russian Academy of Sciences, St.-Petersburg, 194064, Russia
| | - M Piacentini
- Department of Biology, University of Rome "Tor Vergata", Rome, 00133, Italy. .,National Institute for Infectious Diseases I. R. C. C. S. "Lazzaro Spallanzani" Rome, 00149, Italy.,Laboratory of Molecular Medicine, Institute of Cytology, Russian Academy of Sciences, St.-Petersburg, 194064, Russia
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21
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Sarrigiannidis S, Rey J, Dobre O, González-García C, Dalby M, Salmeron-Sanchez M. A tough act to follow: collagen hydrogel modifications to improve mechanical and growth factor loading capabilities. Mater Today Bio 2021; 10:100098. [PMID: 33763641 PMCID: PMC7973388 DOI: 10.1016/j.mtbio.2021.100098] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/16/2021] [Accepted: 01/20/2021] [Indexed: 12/13/2022] Open
Abstract
Collagen hydrogels are among the most well-studied platforms for drug delivery and in situ tissue engineering, thanks to their low cost, low immunogenicity, versatility, biocompatibility, and similarity to the natural extracellular matrix (ECM). Despite collagen being largely responsible for the tensile properties of native connective tissues, collagen hydrogels have relatively low mechanical properties in the absence of covalent cross-linking. This is particularly problematic when attempting to regenerate stiffer and stronger native tissues such as bone. Furthermore, in contrast to hydrogels based on ECM proteins such as fibronectin, collagen hydrogels do not have any growth factor (GF)-specific binding sites and often cannot sequester physiological (small) amounts of the protein. GF binding and in situ presentation are properties that can aid significantly in the tissue regeneration process by dictating cell fate without causing adverse effects such as malignant tumorigenic tissue growth. To alleviate these issues, researchers have developed several strategies to increase the mechanical properties of collagen hydrogels using physical or chemical modifications. This can expand the applicability of collagen hydrogels to tissues subject to a continuous load. GF delivery has also been explored, mathematically and experimentally, through the development of direct loading, chemical cross-linking, electrostatic interaction, and other carrier systems. This comprehensive article explores the ways in which these parameters, mechanical properties and GF delivery, have been optimized in collagen hydrogel systems and examines their in vitro or in vivo biological effect. This article can, therefore, be a useful tool to streamline future studies in the field, by pointing researchers into the appropriate direction according to their collagen hydrogel design requirements.
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Affiliation(s)
| | | | - O. Dobre
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow G12 8LT, UK
| | - C. González-García
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow G12 8LT, UK
| | - M.J. Dalby
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow G12 8LT, UK
| | - M. Salmeron-Sanchez
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow G12 8LT, UK
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22
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Fell S, Wang Z, Blanchard A, Nanthakumar C, Griffin M. Transglutaminase 2: a novel therapeutic target for idiopathic pulmonary fibrosis using selective small molecule inhibitors. Amino Acids 2021; 53:205-217. [PMID: 33474654 PMCID: PMC7910249 DOI: 10.1007/s00726-020-02938-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 12/26/2020] [Indexed: 01/29/2023]
Abstract
This study investigates the effects of a site-directed TG2-selective inhibitor on the lung myofibroblast phenotype and ECM deposition to elucidate TG2 as a novel therapeutic target in idiopathic pulmonary fibrosis (IPF)-an incurable progressive fibrotic disease. IPF fibroblasts showed increased expression of TG2, α smooth muscle actin (αSMA) and fibronectin (FN) with increased extracellular TG2 and transforming growth factor β1 (TGFβ1) compared to normal human lung fibroblasts (NHLFs) which do not express αSMA and express lower levels of FN. The myofibroblast phenotype shown by IPF fibroblasts could be reversed by selective TG2 inhibition with a reduction in matrix FN and TGFβ1 deposition. TG2 transduction or TGFβ1 treatment of NHLFs led to a comparable phenotype to that of IPF fibroblasts which was reversible following selective TG2 inhibition. Addition of exogenous TG2 to NHLFs also induced the myofibroblast phenotype by a mechanism involving TGFβ1 activation which could be ameliorated by selective TG2 inhibition. SMAD3-deleted IPF fibroblasts via CRISPR-cas9 genome editing, showed reduced TG2 protein levels following TGFβ1 stimulation. This study demonstrates a key role for TG2 in the induction of the myofibroblast phenotype and shows the potential for TG2-selective inhibitors as therapeutic agents for the treatment of fibrotic lung diseases like IPF.
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Affiliation(s)
- Shaun Fell
- School of Life and Health Sciences, Aston University, Birmingham, UK
| | - Zhuo Wang
- School of Life and Health Sciences, Aston University, Birmingham, UK.
| | - Andy Blanchard
- Fibrosis Discovery Performance Unit, Respiratory Therapy Area, Medicines Research Centre, GlaxoSmithKline R and D, Stevenage, UK
| | - Carmel Nanthakumar
- Fibrosis Discovery Performance Unit, Respiratory Therapy Area, Medicines Research Centre, GlaxoSmithKline R and D, Stevenage, UK
| | - Martin Griffin
- School of Life and Health Sciences, Aston University, Birmingham, UK.
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23
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DiStefano TJ, Shmukler JO, Danias G, Iatridis JC. The Functional Role of Interface Tissue Engineering in Annulus Fibrosus Repair: Bridging Mechanisms of Hydrogel Integration with Regenerative Outcomes. ACS Biomater Sci Eng 2020; 6:6556-6586. [PMID: 33320618 PMCID: PMC7809646 DOI: 10.1021/acsbiomaterials.0c01320] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Hydrogels are extraordinarily versatile by design and can enhance repair in diseased and injured musculoskeletal tissues. Biological fixation of these constructs is a significant determinant factor that is critical to the clinical success and functionality of regenerative technologies for musculoskeletal repair. In the context of an intervertebral disc (IVD) herniation, nucleus pulposus tissue protrudes through the ruptured annulus fibrosus (AF), consequentially impinging on spinal nerve roots and causing debilitating pain. Discectomy is the surgical standard of care to treat symptomatic herniation; however these procedures do not repair AF defects, and these lesions are a significant risk factor for recurrent herniation. Advances in tissue engineering utilize adhesive hydrogels as AF sealants; however these repair strategies have yet to progress beyond preclinical animal models because these biomaterials are often plagued by poor integration with AF tissue and lead to large variability in repair outcomes. These critical barriers to translation motivate this article to review the material composition of hydrogels that have been evaluated in situ for AF repair, proposed mechanisms of how these biomaterials interface with AF tissue, and their functional outcomes after treatment in order to inform the development of new hydrogels for AF repair. In this systematic review, we identify 18 hydrogel formulations evaluated for AF repair, all of which demonstrate large heterogeneity in their interfacing mechanisms and reported outcome measures to assess the effectiveness of repair. Hydrogels that covalently bond to AF tissue were found to be the most successful in improving IVD biomechanical properties from the injured state, but none were able to restore properties to the intact state suggesting that new repair strategies with innovative surface chemistries are an important future direction. We additionally review biomechanical evaluation methods and recommend standardization in the field of AF tissue engineering to establish mechanical benchmarks for translation and ensure clinical feasibility.
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Affiliation(s)
- Tyler J DiStefano
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - Jennifer O Shmukler
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - George Danias
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
| | - James C Iatridis
- Leni and Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, New York 10029, United States
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24
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Prat-Duran J, Pinilla E, Nørregaard R, Simonsen U, Buus NH. Transglutaminase 2 as a novel target in chronic kidney disease - Methods, mechanisms and pharmacological inhibition. Pharmacol Ther 2020; 222:107787. [PMID: 33307141 DOI: 10.1016/j.pharmthera.2020.107787] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 12/02/2020] [Indexed: 01/31/2023]
Abstract
Chronic kidney disease (CKD) is a global health problem with a prevalence of 10-15%. Progressive fibrosis of the renal tissue is a main feature of CKD, but current treatment strategies are relatively unspecific and delay, but do not prevent, CKD. Exploration of novel pharmacological targets to inhibit fibrosis development are therefore important. Transglutaminase 2 (TG2) is known to be central for extracellular collagenous matrix formation, but TG2 is a multifunctional enzyme and novel research has broadened our view on its extra- and intracellular actions. TG2 exists in two conformational states with different catalytic properties as determined by substrate availability and local calcium concentrations. The open conformation of TG2 depends on calcium and has transamidase activity, central for protein modification and cross-linking of extracellular protein components, while the closed conformation is a GTPase involved in transmembrane signaling processes. We first describe different methodologies to assess TG2 activity in renal tissue and cell cultures such as biotin cadaverine incorporation. Then we systematically review animal CKD models and preliminary studies in humans (with diabetic, IgA- and chronic allograft nephropathy) to reveal the role of TG2 in renal fibrosis. Mechanisms behind TG2 activation, TG2 externalization dependent on Syndecan-4 and interactions between TG and profibrotic molecules including transforming growth factor β and the angiotensin II receptor are discussed. Pharmacological TG2 inhibition shows antifibrotic effects in CKD. However, the translation of TG2 inhibition to treat CKD in patients is a challenge as clinical information is limited, and further studies on pharmacokinetics and efficacy of the individual compounds are required.
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Affiliation(s)
| | | | | | - Ulf Simonsen
- Institute of Biomedicine, Health, Aarhus University, Denmark
| | - Niels Henrik Buus
- Institute of Biomedicine, Health, Aarhus University, Denmark; Department of Renal Medicine, Aarhus University Hospital, Denmark.
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25
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Ulukan B, Bihorac A, Sipahioglu T, Kiraly R, Fesus L, Telci D. Role of Tissue Transglutaminase Catalytic and Guanosine Triphosphate-Binding Domains in Renal Cell Carcinoma Progression. ACS OMEGA 2020; 5:28273-28284. [PMID: 33163811 PMCID: PMC7643270 DOI: 10.1021/acsomega.0c04226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Tissue transglutaminase (TG2) is a multifunctional protein that can act as a cross-linking enzyme, GTPase/ATPase, protein kinase, and protein disulfide isomerase. TG2 is involved in cell adhesion, migration, invasion, and growth, as well as epithelial-mesenchymal transition (EMT). Our previous findings indicate that the increased expression of TG2 in renal cell carcinoma (RCC) results in tumor metastasis with a significant decrease in disease- and cancer-specific survival outcome. Given the importance of the prometastatic activity of TG2 in RCC, in the present study, we aim to investigate the relative contribution of TG2's transamidase and guanosine triphosphate (GTP)-binding/GTPase activity in the cell migration, invasion, EMT, and cancer stemness of RCC. For this purpose, the mouse RCC cell line RenCa was transduced with wild-type-TG2 (wt-TG2), GTP-binding deficient-form TG2-R580A, transamidase-deficient form with low GTP-binding affinity TG2-C277S, and transamidase-inactive form TG2-W241A. Our results suggested that predominantly, GTP-binding activity of TG2 is responsible for cell migration and invasion. In addition, CD marker analysis and spheroid assay confirmed that GTP binding/GTPase activity of TG2 is important in the maintenance of mesenchymal character and the cancer stem cell profile. These findings support a prometastatic role for TG2 in RCC that is dependent on the GTP binding/GTPase activity of the enzyme.
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Affiliation(s)
- Burge Ulukan
- Department
of Genetics and Bioengineering, Yeditepe
University, Istanbul 34755, Turkey
| | - Ajna Bihorac
- Department
of Genetics and Bioengineering, Yeditepe
University, Istanbul 34755, Turkey
| | - Tarik Sipahioglu
- Department
of Genetics and Bioengineering, Yeditepe
University, Istanbul 34755, Turkey
| | - Robert Kiraly
- Department
of Biochemistry and Molecular Biology, University
of Debrecen, Debrecen H4010, Hungary
| | - Laszlo Fesus
- Department
of Biochemistry and Molecular Biology, University
of Debrecen, Debrecen H4010, Hungary
| | - Dilek Telci
- Department
of Genetics and Bioengineering, Yeditepe
University, Istanbul 34755, Turkey
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26
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Qi C, Jin Y, Chen Y, Li W, Li Y, Liang K, Li Y, Zhang Y, Du Y. TGase-mediated cell membrane modification and targeted cell delivery to inflammatory endothelium. Biomaterials 2020; 269:120276. [PMID: 32797997 DOI: 10.1016/j.biomaterials.2020.120276] [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: 04/02/2020] [Revised: 07/19/2020] [Accepted: 07/31/2020] [Indexed: 10/23/2022]
Abstract
Targeted cell delivery to lesion sites via minimally invasive approach remains an unmet need in regenerative medicine to endow controlled cell distribution and minimized side-effects. Current cell modification approaches to improve cell delivery tend to have adverse effects on cellular phenotype and functionality. Here, we rationally developed a facile and mild cell modification and targeted delivery strategy leveraging endogenous tissue transglutaminase (TGase) expressed on the surface of MSCs (Mesenchymal Stem Cells) and inflammatory endothelial cells (ECs). Cell modification by functional peptides was accomplished simply via TGase catalyzed cross-linking with naturally-expressed MSCs membrane proteins (e.g. Annexin II), without detectable disturbance of cellular viability and functionality. The modified functional peptides could facilitate adhesion of MSCs to inflammatory ECs (with up-regulated TGase expression compared with normal ECs) in vitro, as demonstrated by a one-fold increase of the MSC-EC adhesion force measured by atomic force microscopy (AFM) and by targeted delivery of modified MSC to inflammatory ECs in a flow chamber assay. When transplanted in vivo, modified MSCs demonstrated a dramatic increase in targeted efficiency to inflammatory endothelium compared with non-modified MSCs in both mice ear inflammation and acute/chronic liver injury models. The cell membrane modification strategy and targeted cell delivery mechanism described here can be readily extended for empowering cell engineering and cell therapy with multifaceted functionalities to combat refractory diseases.
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Affiliation(s)
- Chunxiao Qi
- Department of Biomedical Engineering, School of Medicine, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China; Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Yuhong Jin
- Department of Biomedical Engineering, School of Medicine, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yuyang Chen
- Department of Biomedical Engineering, School of Medicine, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Wenjing Li
- Department of Biomedical Engineering, School of Medicine, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Yaqian Li
- Central Laboratories, Department of Scientific Research, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Kai Liang
- Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing, 100101, China
| | - Yan Li
- Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing, 100101, China
| | - Yonghui Zhang
- School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Yanan Du
- Department of Biomedical Engineering, School of Medicine, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, 100084, China.
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27
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Distler T, McDonald K, Heid S, Karakaya E, Detsch R, Boccaccini AR. Ionically and Enzymatically Dual Cross-Linked Oxidized Alginate Gelatin Hydrogels with Tunable Stiffness and Degradation Behavior for Tissue Engineering. ACS Biomater Sci Eng 2020; 6:3899-3914. [PMID: 33463325 DOI: 10.1021/acsbiomaterials.0c00677] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Hydrogels that allow for the successful long-term in vitro culture of cell-biomaterial systems to enable the maturation of tissue engineering constructs are highly relevant in regenerative medicine. Naturally derived polysaccharide-based hydrogels promise to be one material group with enough versatility and chemical functionalization capability to tackle the challenges associated with long-term cell culture. We report a marine derived oxidized alginate, alginate dialdehyde (ADA), and gelatin (GEL) system (ADA-GEL), which is cross-linked via ionic (Ca2+) and enzymatic (microbial transglutaminase, mTG) interaction to form dually cross-linked hydrogels. The cross-linking approach allowed us to tailor the stiffness of the hydrogels in a wide range (from <5 to 120 kPa), without altering the initial ADA and GEL hydrogel chemistry. It was possible to control the degradation behavior of the hydrogels to be stable for up to 30 days of incubation. Increasing concentrations of mTG cross-linker solutions allowed us to tune the degradation behavior of the ADA-GEL hydrogels from fast (<7 days) to moderate (14 days) and slow (>30 days) degradation kinetics. The cytocompatibility of mTG cross-linked ADA-GEL was assessed using NIH-3T3 fibroblasts and ATDC-5 mouse teratocarcinoma cells. Both cell types showed highly increased cellular attachment on mTG cross-linked ADA-GEL in comparison to Ca2+ cross-linked hydrogels. In addition, ATDC-5 cells showed a higher proliferation on mTG cross-linked ADA-GEL hydrogels in comparison to tissue culture polystyrene control substrates. Further, the attachment of human umbilical vein endothelial cells (HUVEC) on ADA-GEL (+) mTG was confirmed, proving the suitability of mTG+Ca2+ cross-linked ADA-GEL for several cell types. Summarizing, a promising platform to control the properties of ADA-GEL hydrogels is presented, with the potential to be applied in long-term cell culture investigations such as cartilage, bone, and blood-vessel engineering, as well as for biofabrication.
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Affiliation(s)
- Thomas Distler
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Kilian McDonald
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Susanne Heid
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Emine Karakaya
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Rainer Detsch
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany
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28
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Rosset EM, Trombetta-eSilva J, Hepfer G, Chen P, Yao H, Bradshaw AD. Inhibition of transglutaminase activity in periodontitis rescues periodontal ligament collagen content and architecture. J Periodontal Res 2020; 55:107-115. [PMID: 31552683 PMCID: PMC7184635 DOI: 10.1111/jre.12694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 07/09/2019] [Accepted: 08/03/2019] [Indexed: 01/28/2023]
Abstract
BACKGROUND AND OBJECTIVE Periodontal disease (PD) afflicts approximately 50% of the population in the United States and is characterized by chronic inflammation of the periodontium that can lead to loss of the periodontal ligament through collagen degradation, loss of alveolar bone, and to eventual tooth loss. Previous studies have implicated transglutaminase (TG) activity in promoting thin collagen I fiber morphology and decreased mechanical strength in homeostatic PDL. The aim of this study was to determine whether TG activity influenced collagen assembly in PDL in the setting of periodontal disease. MATERIAL AND METHODS A ligature model was used to induce clinically relevant PD in mice. Mice with ligature were assessed at 5 and 14 days to determine PDL collagen morphology, transglutaminase (TG) activity, and bone loss. The effects of inhibition of TG on PDL were assessed by immunohistochemistry and second-harmonic generation (SHG) to visualize collagen fibers in native tissue. RESULTS Ligature placement around the 2nd molar resulted in significant bone loss and a decrease in total collagen content after 5 days of ligature placement. A significant increase in thin over thick fibers was also demonstrated in mice with ligature at 5 days associated with apparent increases in immunoreactivity for TG2 and for TG-mediated N-ε-γ-glutamyl cross-links in PDL. Inhibition of TG activity increased total collagen and thick collagen fiber content over vehicle control in mice with ligature for 5 days. SHG of PDL was used to visualize and quantify the effects of TG inhibition on enhanced collagen fiber organization in unfixed control and diseased PDL. CONCLUSION These studies support a role of TG in regulating collagen fiber assembly and suggest that strategies to inhibit TG activity in disease might contribute to restoration of PDL tissue integrity.
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Affiliation(s)
- Emilie Moore Rosset
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | | | - Glenn Hepfer
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Peng Chen
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Hai Yao
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Amy D. Bradshaw
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
- Gazes Cardiac Research Institute, Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
- Ralph H. Johnson Department of Veterans Affairs Medical Center, Charleston, SC, USA
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29
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D'Eletto M, Rossin F, Fedorova O, Farrace MG, Piacentini M. Transglutaminase type 2 in the regulation of proteostasis. Biol Chem 2019; 400:125-140. [PMID: 29908126 DOI: 10.1515/hsz-2018-0217] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 05/15/2018] [Indexed: 12/21/2022]
Abstract
The maintenance of protein homeostasis (proteostasis) is a fundamental aspect of cell physiology that is essential for the survival of organisms under a variety of environmental and/or intracellular stress conditions. Acute and/or persistent stress exceeding the capacity of the intracellular homeostatic systems results in protein aggregation and/or damaged organelles that leads to pathological cellular states often resulting in cell death. These events are continuously suppressed by a complex macromolecular machinery that uses different intracellular pathways to maintain the proteome integrity in the various subcellular compartments ensuring a healthy cellular life span. Recent findings have highlighted the role of the multifunctional enzyme type 2 transglutaminase (TG2) as a key player in the regulation of intracellular pathways, such as autophagy/mitophagy, exosomes formation and chaperones function, which form the basis of proteostasis regulation under conditions of cellular stress. Here, we review the role of TG2 in these stress response pathways and how its various enzymatic activities might contributes to the proteostasis control.
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Affiliation(s)
- Manuela D'Eletto
- Department of Biology, University of Rome 'Tor Vergata', Via della Ricerca Scientifica, I-00133 Rome, Italy
| | - Federica Rossin
- Department of Biology, University of Rome 'Tor Vergata', Via della Ricerca Scientifica, I-00133 Rome, Italy
| | - Olga Fedorova
- Institute of Cytology, 194064 Saint-Petersburg, Russia
| | - Maria Grazia Farrace
- Department of Biology, University of Rome 'Tor Vergata', Via della Ricerca Scientifica, I-00133 Rome, Italy
| | - Mauro Piacentini
- Department of Biology, University of Rome 'Tor Vergata', Via della Ricerca Scientifica, I-00133 Rome, Italy.,National Institute for Infectious Diseases I.R.C.C.S. 'Lazzaro Spallanzani', I-00149 Rome, Italy
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30
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Jiang H, Zheng M, Liu X, Zhang S, Wang X, Chen Y, Hou M, Zhu J. Feasibility Study of Tissue Transglutaminase for Self-Catalytic Cross-Linking of Self-Assembled Collagen Fibril Hydrogel and Its Promising Application in Wound Healing Promotion. ACS OMEGA 2019; 4:12606-12615. [PMID: 31460381 PMCID: PMC6682156 DOI: 10.1021/acsomega.9b01274] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 07/10/2019] [Indexed: 05/08/2023]
Abstract
Collagen-based bio-hydrogels are undoubtedly a hot spot in the development of biological dressings for wound healing promotion. Herein, glutamine transaminase (TGase), a biological nontoxic cross-linker with high specific activity and reaction rate under mild conditions, was utilized for the self-catalytic cross-linking of the regenerated collagen (COL) fibril hydrogel fabricated through a molecular self-assembly method. The results showed that the natural triple helical conformation of COL remained completely integrated after self-catalytic cross-linking TGase, which was definitively the fundamental for maintaining its superior bioactivity. It was worth noting that TGase could promote the self-assembly process of COL building blocks into a higher order D-period cross-striated structure. Also, the reconstructed TGase cross-linked COL fibrils exhibited a higher degree of interfiber entanglements with more straight and longer fibrils. Meanwhile, the thermal stability of COL was significantly improved after introducing TGase. Besides, the cytocompatibility analysis suggested that the regenerated COL fibril hydrogel showed excellent cell growth activity and proliferation ability when the dosage of TGase is less than 40 U/g. Further, animal experiments indicated that the targeted COL fibril hydrogel could significantly promote skin wound healing, exhibiting better capacity of skin tissue for regeneration than the COL hydrogel untreated as expected. Therefore, the reconstructed TGase cross-linked COL fibril hydrogel could serve as a novel soft material for wound healing promotion.
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Affiliation(s)
- Huie Jiang
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
- State
Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Manhui Zheng
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
| | - Xinhua Liu
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
| | - Sixiao Zhang
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
| | - Xuechuan Wang
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
| | - Yining Chen
- Research
Center of Biomedical Engineering, Sichuan
University, No. 24 South Section 1, Yihuan Road, Chengdu 610065, China
| | - Mengdi Hou
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
| | - Jingbo Zhu
- College
of Bioresources Chemical and Materials Engineering and National Demonstration
Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science & Technology, Xi’an 710021, Shaanxi, China
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31
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Shi W, Que Y, Lv D, Bi S, Xu Z, Wang D, Zhang Z. Overexpression of TG2 enhances the differentiation of ectomesenchymal stem cells into neuron‑like cells and promotes functional recovery in adult rats following spinal cord injury. Mol Med Rep 2019; 20:2763-2773. [PMID: 31322240 PMCID: PMC6691247 DOI: 10.3892/mmr.2019.10502] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Accepted: 05/31/2019] [Indexed: 12/15/2022] Open
Abstract
Ectomesenchymal stem cells (EMSCs) represent a type of adult stem cells derived from the cranial neural crest. These cells are capable of self-renewal and have the potential for multidirectional differentiation. Tissue transglutaminase type 2 (TG2) is a ubiquitously expressed member of the transglutaminase family of Ca2+-dependent crosslinking enzymes. However, the effect of TG2 on neural differentiation and proliferation of EMSCs remains unknown. To determine whether TG2 improves EMSC proliferation and neurogenesis, a stable TG2-overexpressing EMSC cell line (TG2-EMSCs) was established by using an adenovirus system. Immunofluorescence staining and western blot analyses demonstrated that TG2 overexpression had beneficial effects on the rate of EMSC neurogenesis, and that the proliferative capacity of TG2-EMSCs was higher than that of controls. Furthermore, the results of western blotting revealed that extracellular matrix (ECM) and neurotrophic factors were upregulated during the differentiation of TG2-EMSCs. Notably, TG2-EMSC transplantation in an animal model of spinal cord injury (SCI), TG2-EMSCs differentiated into neuron-like cells and enhanced the repair of SCI. Taken together, these results demonstrated that TG2 gene transfection may offer a novel strategy to enhance EMSC proliferation and neurogenesis in vivo and in vitro, which may ultimately facilitate EMSC-based transplantation therapy in patients with SCI.
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Affiliation(s)
- Wentao Shi
- Department of Orthopedics, Gaochun People's Hospital of Nanjing, Nanjing, Jiangsu 211300, P.R. China
| | - Yunduan Que
- Department of Orthopedics, Gaochun People's Hospital of Nanjing, Nanjing, Jiangsu 211300, P.R. China
| | - Demin Lv
- Department of Embryology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Shiqi Bi
- Department of Embryology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
| | - Zhonghua Xu
- Department of Orthopedics, Gaochun People's Hospital of Nanjing, Nanjing, Jiangsu 211300, P.R. China
| | - Dongmin Wang
- Department of Orthopedics, Gaochun People's Hospital of Nanjing, Nanjing, Jiangsu 211300, P.R. China
| | - Zhijian Zhang
- Department of Embryology, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212001, P.R. China
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32
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Array-based Investigation of Amino Acids Responsible for Regulation of Transamidase and Kinase Activities of Transglutaminase 2. BIOCHIP JOURNAL 2019. [DOI: 10.1007/s13206-019-3307-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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33
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Coentro JQ, Pugliese E, Hanley G, Raghunath M, Zeugolis DI. Current and upcoming therapies to modulate skin scarring and fibrosis. Adv Drug Deliv Rev 2019; 146:37-59. [PMID: 30172924 DOI: 10.1016/j.addr.2018.08.009] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 07/08/2018] [Accepted: 08/26/2018] [Indexed: 12/12/2022]
Abstract
Skin is the largest organ of the human body. Being the interface between the body and the outer environment, makes it susceptible to physical injury. To maintain life, nature has endowed skin with a fast healing response that invariably ends in the formation of scar at the wounded dermal area. In many cases, skin remodelling may be impaired, leading to local hypertrophic scars or keloids. One should also consider that the scarring process is part of the wound healing response, which always starts with inflammation. Thus, scarring can also be induced in the dermis, in the absence of an actual wound, during chronic inflammatory processes. Considering the significant portion of the population that is subject to abnormal scarring, this review critically discusses the state-of-the-art and upcoming therapies in skin scarring and fibrosis.
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Affiliation(s)
- João Q Coentro
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Eugenia Pugliese
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Geoffrey Hanley
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland
| | - Michael Raghunath
- Center for Cell Biology and Tissue Engineering, Institute for Chemistry and Biotechnology (ICBT), Zurich University of Applied Sciences (ZHAW), Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland; Science Foundation Ireland (SFI), Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI, Galway), Galway, Ireland.
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34
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Schwager SC, Taufalele PV, Reinhart-King CA. Cell-Cell Mechanical Communication in Cancer. Cell Mol Bioeng 2019; 12:1-14. [PMID: 31565083 PMCID: PMC6764766 DOI: 10.1007/s12195-018-00564-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Accepted: 11/29/2018] [Indexed: 12/21/2022] Open
Abstract
Communication between cancer cells enables cancer progression and metastasis. While cell-cell communication in cancer has primarily been examined through chemical mechanisms, recent evidence suggests that mechanical communication through cell-cell junctions and cell-ECM linkages is also an important mediator of cancer progression. Cancer and stromal cells remodel the ECM through a variety of mechanisms, including matrix degradation, cross-linking, deposition, and physical remodeling. Cancer cells sense these mechanical environmental changes through cell-matrix adhesion complexes and subsequently alter their tension between both neighboring cells and the surrounding matrix, thereby altering the force landscape within the microenvironment. This communication not only allows cancer cells to communicate with each other, but allows stromal cells to communicate with cancer cells through matrix remodeling. Here, we review the mechanisms of intercellular force transmission, the subsequent matrix remodeling, and the implications of this mechanical communication on cancer progression.
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Affiliation(s)
- Samantha C. Schwager
- Department of Biomedical Engineering, Vanderbilt University, PMB 351631, Nashville, TN 37235 USA
| | - Paul V. Taufalele
- Department of Biomedical Engineering, Vanderbilt University, PMB 351631, Nashville, TN 37235 USA
| | - Cynthia A. Reinhart-King
- Department of Biomedical Engineering, Vanderbilt University, PMB 351631, Nashville, TN 37235 USA
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35
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Abstract
Transglutaminase 2 (TG2) is a ubiquitous mammalian enzyme that is implicated in a variety of physiological processes and human diseases. Normally, extracellular TG2 is catalytically dormant due to formation of an allosteric disulphide bond between Cys370 and 371 of the enzyme. In this protocol, we describe a method to reduce this disulphide bond in living mice and to monitor the resulting in vivo TG2 activity. Briefly, exogenous thioredoxin-1 protein (TRX) is prepared and administered as a specific, physiologically relevant reductant of the Cys370-371 disulphide along with the small molecule 5-biotinamidopentylamine (5-BP) as a TG2 activity probe. Tissue cryosections are then analyzed by immunohistochemistry to ascertain the extent of 5-BP incorporation, which serves as a record of the redox state of TG2 in vivo. This protocol focuses on the modulation and measurement of TG2 in the small intestine, but we encourage investigators to evaluate it in their organ(s) of interest.
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Affiliation(s)
- Arek V Melkonian
- Department of Chemical Engineering, Stanford University, Stanford, CA, USA
- School of Medicine, Stanford University, Stanford, CA, USA
| | - Nielson Weng
- School of Medicine, Stanford University, Stanford, CA, USA
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Brad A Palanski
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Chaitan Khosla
- Department of Chemical Engineering, Stanford University, Stanford, CA, USA.
- Department of Chemistry, Stanford University, Stanford, CA, USA.
- Stanford ChEM-H, Stanford University, Stanford, CA, USA.
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Sorushanova A, Delgado LM, Wu Z, Shologu N, Kshirsagar A, Raghunath R, Mullen AM, Bayon Y, Pandit A, Raghunath M, Zeugolis DI. The Collagen Suprafamily: From Biosynthesis to Advanced Biomaterial Development. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801651. [PMID: 30126066 DOI: 10.1002/adma.201801651] [Citation(s) in RCA: 497] [Impact Index Per Article: 99.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/03/2018] [Indexed: 05/20/2023]
Abstract
Collagen is the oldest and most abundant extracellular matrix protein that has found many applications in food, cosmetic, pharmaceutical, and biomedical industries. First, an overview of the family of collagens and their respective structures, conformation, and biosynthesis is provided. The advances and shortfalls of various collagen preparations (e.g., mammalian/marine extracted collagen, cell-produced collagens, recombinant collagens, and collagen-like peptides) and crosslinking technologies (e.g., chemical, physical, and biological) are then critically discussed. Subsequently, an array of structural, thermal, mechanical, biochemical, and biological assays is examined, which are developed to analyze and characterize collagenous structures. Lastly, a comprehensive review is provided on how advances in engineering, chemistry, and biology have enabled the development of bioactive, 3D structures (e.g., tissue grafts, biomaterials, cell-assembled tissue equivalents) that closely imitate native supramolecular assemblies and have the capacity to deliver in a localized and sustained manner viable cell populations and/or bioactive/therapeutic molecules. Clearly, collagens have a long history in both evolution and biotechnology and continue to offer both challenges and exciting opportunities in regenerative medicine as nature's biomaterial of choice.
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Affiliation(s)
- Anna Sorushanova
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Zhuning Wu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Aniket Kshirsagar
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Rufus Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | | | - Yves Bayon
- Sofradim Production-A Medtronic Company, Trevoux, France
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Michael Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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Importance of crosslinking strategies in designing smart biomaterials for bone tissue engineering: A systematic review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 96:941-954. [PMID: 30606606 DOI: 10.1016/j.msec.2018.11.081] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 10/29/2018] [Accepted: 11/29/2018] [Indexed: 12/14/2022]
Abstract
Biomaterials are of significant importance in biomedical applications as these biological macromolecules have moderately replaced classical tissue grafting techniques owing to its beneficial properties. Despite of its favourable advantages, poor mechanical and degradative properties of biomaterials are of great concern. To this regard, crosslinkers have emerged as a smart and promising tool to augment the biological functionality of biopolymers. Different crosslinkers have been extensively used in past decades to develop bone substitutes, but the implications of toxic response and adverse reactions are truly precarious after implantation. Traditional crosslinker like glutaraldehyde has been widely used in numerous bio-implants but the potential toxicity is largely being debated with many disproving views. As alternative, green chemicals, enzymatic and non-enzymatic chemicals, bi-functional epoxies, zero-length crosslinkers and physical crosslinkers have been introduced to achieve the desired properties of a bone substitute. In this review, systematic literature search was performed on PubMed database to identify the most commonly used crosslinkers for developing promising bone like materials. The relevant articles were identified, analysed and reviewed in this paper giving due importance to different crosslinking methodologies and comparing their effectiveness and efficacy in regard to material composition, scaffold production, crosslinker dosage, toxicity and immunogenicity. This review summarizes the recent developments in crosslinking mechanism with an emphasis placed on their ability to link proteins through bonding reactions. Finally, this study also covers the convergent and divergent methodologies of crosslinking strategies also giving special importance in retrieving the current limitations and future opportunities of crosslinking modalities in bone tissue engineering.
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Li J, Levitan B, Gomez-Jimenez S, Kültz D. Development of a Gill Assay Library for Ecological Proteomics of Threespine Sticklebacks ( Gasterosteus aculeatus). Mol Cell Proteomics 2018; 17:2146-2163. [PMID: 30093419 PMCID: PMC6210217 DOI: 10.1074/mcp.ra118.000973] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/07/2018] [Indexed: 12/31/2022] Open
Abstract
A data-independent acquisition (DIA) assay library for quantitative analyses of proteome dynamics has been developed for gills of threespine sticklebacks (Gasterosteus aculeatus). A raw spectral library was generated by data-dependent acquisition (DDA) and annotation of tryptic peptides to MSMS spectra and protein database identifiers. The assay library was constructed from the raw spectral library by removal of low-quality, ambiguous, and low-signal peptides. Only unique proteins represented by at least two peptides are included in the assay library, which consists of 1506 proteins, 5074 peptides, 5104 precursors, and 25,322 transitions. This assay library was used with DIA data to identify biochemical differences in gill proteomes of four populations representing different eco- and morpho-types of threespine sticklebacks. The assay library revealed unique and reproducible proteome signatures. Warm-adapted, low-plated, brackish-water fish from Laguna de la Bocana del Rosario (Mexico) show elevated HSP47, extracellular matrix, and innate immunity proteins whereas several immunoglobulins, interferon-induced proteins, ubiquitins, proteolytic enzymes, and nucleic acid remodeling proteins are reduced. Fully-plated, brackish-water fish from Westchester Lagoon (Alaska) display elevated ion regulation, GTPase signaling, and contractile cytoskeleton proteins, altered abundances of many ribosomal, calcium signaling and immunity proteins, and depleted transcriptional regulators and metabolic enzymes. Low-plated freshwater fish from Lake Solano (California) have elevated inflammasomes and proteolytic proteins whereas several iron containing and ion regulatory proteins are reduced. Gills of fully-plated, marine fish from Bodega Harbor (California) have elevated oxidative metabolism enzymes and reduced transglutaminase 2, collagens, and clathrin heavy chains. These distinct proteome signatures represent targets for testing ecological and evolutionary influences on molecular mechanisms of gill function in threespine sticklebacks. Furthermore, the gill assay library represents a model for other tissues and paves the way for accurate and reproducible network analyses of environmental context-dependent proteome dynamics in complex organisms.
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Affiliation(s)
- Johnathon Li
- From the ‡Department of Animal Sciences, University of California Davis, Meyer Hall, One Shields Ave., Davis, CA 95616
| | - Bryn Levitan
- From the ‡Department of Animal Sciences, University of California Davis, Meyer Hall, One Shields Ave., Davis, CA 95616
| | - Silvia Gomez-Jimenez
- §Centro de Investigación en Alimentación y Desarrollo, Carretera a la Victoria Km. 0.6, Apartado, Hermosillo, Sonora, México C.P. 83000
| | - Dietmar Kültz
- From the ‡Department of Animal Sciences, University of California Davis, Meyer Hall, One Shields Ave., Davis, CA 95616;
- ¶Coastal Marine Sciences Institute, University of California, Davis
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Jung SH, Jeon HY, Lee SH, Han ET, Park WS, Hong SH, Kim YM, Ha KS. On-chip dual enzyme activity assay to investigate regulation of the transamidase and kinase activities of transglutaminase 2. Anal Chim Acta 2018; 1027:92-100. [DOI: 10.1016/j.aca.2018.04.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/23/2018] [Accepted: 04/05/2018] [Indexed: 10/17/2022]
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Fibrillin microfibrils and elastic fibre proteins: Functional interactions and extracellular regulation of growth factors. Semin Cell Dev Biol 2018; 89:109-117. [PMID: 30016650 PMCID: PMC6461133 DOI: 10.1016/j.semcdb.2018.07.016] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 07/04/2018] [Accepted: 07/13/2018] [Indexed: 02/02/2023]
Abstract
Fibrillin microfibrils are extensible polymers that endow connective tissues with long-range elasticity and have widespread distributions in both elastic and non-elastic tissues. They act as a template for elastin deposition during elastic fibre formation and are essential for maintaining the integrity of tissues such as blood vessels, lung, skin and ocular ligaments. A reduction in fibrillin is seen in tissues in vascular ageing, chronic obstructive pulmonary disease, skin ageing and UV induced skin damage, and age-related vision deterioration. Most mutations in fibrillin cause Marfan syndrome, a genetic disease characterised by overgrowth of the long bones and other skeletal abnormalities with cardiovascular and eye defects. However, mutations in fibrillin and fibrillin-binding proteins can also cause short-stature pathologies. All of these diseases have been linked to dysregulated growth factor signalling which forms a major functional role for fibrillin.
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Olof Olsson P, Gustafsson R, Salnikov AV, Göthe M, Zeller KS, Friman T, Baldetorp B, Koopman LA, Weinreb PH, Violette SM, Kalamajski S, Heldin NE, Rubin K. Inhibition of integrin α Vβ 6 changes fibril thickness of stromal collagen in experimental carcinomas. Cell Commun Signal 2018; 16:36. [PMID: 29966518 PMCID: PMC6027735 DOI: 10.1186/s12964-018-0249-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 06/19/2018] [Indexed: 12/14/2022] Open
Abstract
Background Chemotherapeutic efficacy can be improved by targeting the structure and function of the extracellular matrix (ECM) in the carcinomal stroma. This can be accomplished by e.g. inhibiting TGF-β1 and -β3 or treating with Imatinib, which results in scarcer collagen fibril structure in xenografted human KAT-4/HT29 (KAT-4) colon adenocarcinoma. Methods The potential role of αVβ6 integrin-mediated activation of latent TGF-β was studied in cultured KAT-4 and Capan-2 human ductal pancreatic carcinoma cells as well as in xenograft carcinoma generated by these cells. The monoclonal αVβ6 integrin-specific monoclonal antibody 3G9 was used to inhibit the αVβ6 integrin activity. Results Both KAT-4 and Capan-2 cells expressed the αVβ6 integrin but only KAT-4 cells could utilize this integrin to activate latent TGF-β in vitro. Only when Capan-2 cells were co-cultured with human F99 fibroblasts was the integrin activation mechanism triggered, suggesting a more complex, fibroblast-dependent, activation pathway. In nude mice, a 10-day treatment with 3G9 reduced collagen fibril thickness and interstitial fluid pressure in KAT-4 but not in the more desmoplastic Capan-2 tumors that, to achieve a similar effect, required a prolonged 3G9 treatment. In contrast, a 10-day direct inhibition of TGF-β1 and -β3 reduced collagen fibril thickness in both tumor models. Conclusion Our data demonstrate that the αVβ6-directed activation of latent TGF-β plays a pivotal role in modulating the stromal collagen network in carcinoma, but that the sensitivity to αVβ6 inhibition depends on the simultaneous presence of alternative paths for latent TGF-β activation and the extent of desmoplasia. Electronic supplementary material The online version of this article (10.1186/s12964-018-0249-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- P Olof Olsson
- Department of Experimental Medical Science, Medicon Village 406, SE-22381, Lund, Sweden
| | - Renata Gustafsson
- Department of Experimental Medical Science, Medicon Village 406, SE-22381, Lund, Sweden
| | - Alexei V Salnikov
- Oncology Clinic, Department of Clinical Sciences, University Hospital Lund, SE-221 85, Lund, Sweden
| | - Maria Göthe
- Science for Life Laboratories, Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-751 23, Uppsala, Sweden
| | - Kathrin S Zeller
- Science for Life Laboratories, Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-751 23, Uppsala, Sweden
| | - Tomas Friman
- Science for Life Laboratories, Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-751 23, Uppsala, Sweden
| | - Bo Baldetorp
- Oncology Clinic, Department of Clinical Sciences, University Hospital Lund, SE-221 85, Lund, Sweden
| | | | | | | | - Sebastian Kalamajski
- Science for Life Laboratories, Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-751 23, Uppsala, Sweden
| | - Nils-Erik Heldin
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Kristofer Rubin
- Science for Life Laboratories, Department of Medical Biochemistry and Microbiology, Uppsala University, BMC, Box 582, SE-751 23, Uppsala, Sweden.
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S-nitrosylation of transglutaminase 2 impairs fatty acid-stimulated contraction in hypertensive cardiomyocytes. Exp Mol Med 2018; 50:1-11. [PMID: 29622788 PMCID: PMC5938015 DOI: 10.1038/s12276-017-0021-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 10/30/2017] [Accepted: 11/13/2017] [Indexed: 01/27/2023] Open
Abstract
The myocardium in hypertensive heart exhibits decreased fatty acid utilization and contractile dysfunction, leading to cardiac failure. However, the causal relationship between metabolic remodeling and cardiomyocyte contractility remains unestablished. Transglutaminase 2 (TG2) has been known to promote ATP production through the regulation of mitochondrial function. In this study, we investigated the involvement of TG2 in cardiomyocyte contraction under fatty acid supplementation. Using TG2 inhibitor and TG2-deficient mice, we demonstrated that fatty acid supplementation activated TG2 and increased ATP level and contractility of cardiac myocyte from the normal heart. By contrast, in cardiac myocytes from angiotensin-II-treated rats and mice, the effects of fatty acid supplementation on TG2 activity, ATP level, and myocyte contraction were abolished. We found that TG2 was inhibited by S-nitrosylation and its level increased in hypertensive myocytes. Treatment with inhibitor for neuronal NOS restored fatty acid-induced increase of TG2 activity and myocyte contraction. Moreover, intracellular Ca2+ levels were increased by fatty acid supplementation in both normal and hypertensive myocytes, showing that S-nitrosylation of TG2 but not alteration of intracellular Ca2+ levels is responsible for contractile dysfunction. These results indicate that TG2 plays a critical role in the regulation of myocyte contractility by promoting fatty acid metabolism and provide a novel target for preventing contractile dysfunction in heart with high workload. Enhancing activity of an enzyme that promotes healthy heart contraction could benefit patients at risk of serious heart conditions. Chronic high blood pressure can cause excessive thickening of heart muscle tissue, reducing the heart’s ability to contract correctly and leading to heart failure. A healthy heart fuels itself by oxidizing fatty acids to trigger production of the key energy transfer molecule ATP. Yin Hua Zhang and In-Gyu Kim at Seoul National University College of Medicine, Korea and co-workers have highlighted how S-nitrosylation, addition of nitric oxide, affects transglutaminase 2 (TG2), an enzyme that promotes ATP production. Experiments on rats and mice showed that fatty acids activate TG2, increasing ATP production and maintaining contractibility in healthy hearts. However, in pressure-overloaded hearts, TG2 activity is inhibited by S-nitrosylation, which stops heart muscle cells contracting properly.
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Bioprinted gelatin hydrogel platform promotes smooth muscle cell contractile phenotype maintenance. Biomed Microdevices 2018; 20:32. [PMID: 29594704 DOI: 10.1007/s10544-018-0274-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Three dimensional (3D) bioprinting has been proposed as a method for fabricating tissue engineered small diameter vascular prostheses. This technique not only involves constructing the structural features to obtain a desired pattern but the morphology of the pattern may also be used to influence the behavior of seeded cells. Herein, we 3D bioprinted a gelatin hydrogel microchannel construct to promote and preserve the contractile phenotype of vascular smooth muscle cells (vSMCs), which is crucial for vasoresponsiveness. The microchanneled surface of a gelatin hydrogel facilitated vSMC attachment and an elongated alignment along the microchannel direction. The cells displayed distinct F-actin anisotropy in the direction of the channel. The vSMC contractile phenotype was confirmed by the positive detection of contractile marker gene proteins (α-smooth muscle actin (α-SMA) and smooth muscle-myosin heavy chain (SM-MHC)). Having demonstrated the effectiveness of the hydrogel channels bioprinted on a film, the bioprinting was applied radially to the surface of a 3D tubular construct by integrating a rotating mandrel into the 3D bioprinter. The hydrogel microchannels printed on the 3D tubular vascular construct also orientated the vSMCs and strongly promoted the contractile phenotype. Together, our study demonstrated that microchannels bioprinted using a transglutaminase crosslinked gelatin hydrogel, could successfully promote and preserve vSMC contractile phenotype. Furthermore, the hydrogel bioink could be retained on the surface of a rotating polymer tube to print radial cell guiding channels onto a vascular graft construct.
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Piacentini M, Baiocchini A, Del Nonno F, Melino G, Barlev NA, Rossin F, D'Eletto M, Falasca L. Non-alcoholic fatty liver disease severity is modulated by transglutaminase type 2. Cell Death Dis 2018; 9:257. [PMID: 29449533 PMCID: PMC5833377 DOI: 10.1038/s41419-018-0292-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 12/14/2017] [Accepted: 12/15/2017] [Indexed: 02/07/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is one of the most important liver diseases worldwide. Currently, no effective treatment is available, and NAFLD pathogenesis is incompletely understood. Transglutaminase type 2 (TG2) is a ubiquitous enzyme whose dysregulation is implicated in the pathogenesis of various human diseases. Here we examined the impact of TG2 on NAFLD progression using the high-fat-diet-induced model in both wild-type and TG2-deficient mice. Animals were fed with a standard chow diet or a high-fat diet (42% of the energy from fat) for 16 weeks. Results demonstrated that the absence of a functional enzyme, which causes the impairment of autophagy/mitophagy, leads to worsening of disease progression. Data were confirmed by pharmacological inhibition of TG2 in WT animals. In addition, the analysis of human liver samples from NAFLD patients validated the enzyme’s involvement in the liver fat disease pathogenesis. Our findings strongly suggest that TG2 activation may offer protection in the context of NAFLD, thus representing a novel therapeutic target for tackling the NAFLD progression.
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Affiliation(s)
- Mauro Piacentini
- National Institute for Infectious Diseases, IRCCS "Lazzaro Spallanzani", Rome, Italy. .,Department of Biology, University of Rome "Tor Vergata", Rome, Italy.
| | - Andrea Baiocchini
- National Institute for Infectious Diseases, IRCCS "Lazzaro Spallanzani", Rome, Italy
| | - Franca Del Nonno
- National Institute for Infectious Diseases, IRCCS "Lazzaro Spallanzani", Rome, Italy
| | - Gerry Melino
- Department Experimental Medicine and Surgery, University of Rome "Tor Vergata", Rome, Italy
| | - Nickolai A Barlev
- Institute of Cytology Russian Academy of Sciences, Saint-Petersburg, Russian Federation
| | - Federica Rossin
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
| | - Manuela D'Eletto
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
| | - Laura Falasca
- National Institute for Infectious Diseases, IRCCS "Lazzaro Spallanzani", Rome, Italy.
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Assessment of the characteristics and biocompatibility of gelatin sponge scaffolds prepared by various crosslinking methods. Sci Rep 2018; 8:1616. [PMID: 29371676 PMCID: PMC5785510 DOI: 10.1038/s41598-018-20006-y] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 01/11/2018] [Indexed: 02/08/2023] Open
Abstract
This comparative study aims to identify a biocompatible and effective crosslinker for preparing gelatin sponges. Glutaraldehyde (GTA), genipin (GP), 1-ethyl-3-(3-dimethyl aminopropyl)carbodiimide (EDC), and microbial transglutaminase (mTG) were used as crosslinking agents. The physical properties of the prepared samples were characterized, and material degradation was studied in vitro with various proteases and in vivo through subcutaneous implantation of the sponges in rats. Adipose-derived stromal stem cells (ADSCs) were cultured and inoculated onto the scaffolds to compare the cellular biocompatibility of the sponges. Cellular seeding efficiency and digestion time of the sponges were also evaluated. Cellular viability and proliferation in scaffolds were analyzed by fluorescence staining and MTT assay. All the samples exhibited high porosity, good swelling ratio, and hydrolysis properties; however, material strength, hydrolysis, and enzymolytic properties varied among the samples. GTA–sponge and GP–sponge possessed high compressive moduli, and EDC–sponge exhibited fast degradation performance. GTA and GP sponge implants exerted strong in vivo rejections, and the former showed poor cell growth. mTG–sponge exhibited the optimal comprehensive performance, with good porosity, compressive modulus, anti-degradation ability, and good biocompatibility. Hence, mTG–sponge can be used as a scaffold material for tissue engineering applications.
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Espitia Pinzón N, Brevé JJP, Bol JGJM, Drukarch B, Baron W, van Dam AM. Tissue transglutaminase in astrocytes is enhanced by inflammatory mediators and is involved in the formation of fibronectin fibril-like structures. J Neuroinflammation 2017; 14:260. [PMID: 29282083 PMCID: PMC5745633 DOI: 10.1186/s12974-017-1031-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 12/11/2017] [Indexed: 02/07/2023] Open
Abstract
Background During multiple sclerosis (MS) lesion formation, inflammatory mediators are produced by microglial cells and invading leukocytes. Subsequently, hypertrophic astrocytes fill the lesion and produce extracellular matrix (ECM) proteins that together form the astroglial scar. This is beneficial because it seals off the site of central nervous system (CNS) damage. However, astroglial scarring also forms an obstacle that inhibits remyelination of brain lesions. This is possibly an important cause for incomplete remyelination of the CNS in early stage MS patients and for failure of remyelination when the disease progresses. Tissue transglutaminase (TG2), a Ca2+-dependent enzyme that can cross-link proteins, appears in astrocytes in inflammatory MS lesions and may contribute to the rearrangement of ECM protein deposition and aggregation. Methods The effect of different inflammatory mediators on TG2 and fibronectin, an ECM protein, protein levels was examined in primary rat microglia and astrocytes by western blotting. Also, TG2 activity was analyzed in primary rat astrocytes by a TG activity assay. To determine the role of TG2 in the deposition and cross-linking of fibronectin, a TG2 inhibitor and TG2 knockdown astrocytes were used. Results Our data show that under inflammatory conditions in vitro, TG2 production is enhanced in astrocytes and microglia. We observed that in particular, astrocytes produce fibronectin that can be cross-linked and aggregated by exogenous TG2. Moreover, inflammatory stimulus-induced endogenously produced TG2 is involved in the appearance of morphological fibril-like fibronectin deposits but does not lead to cross-linked fibronectin aggregates. Conclusions Our in vitro observations suggest that during MS lesion formation, when inflammatory mediators are produced, astrocyte-derived TG2 may contribute to ECM rearrangement, and subsequent astroglial scarring. Electronic supplementary material The online version of this article (10.1186/s12974-017-1031-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nathaly Espitia Pinzón
- Department Anatomy and Neurosciences, VU University Medical Center, Amsterdam Neuroscience, De Boelelaan 1108, 1081, HZ, Amsterdam, The Netherlands
| | - John J P Brevé
- Department Anatomy and Neurosciences, VU University Medical Center, Amsterdam Neuroscience, De Boelelaan 1108, 1081, HZ, Amsterdam, The Netherlands
| | - John G J M Bol
- Department Anatomy and Neurosciences, VU University Medical Center, Amsterdam Neuroscience, De Boelelaan 1108, 1081, HZ, Amsterdam, The Netherlands
| | - Benjamin Drukarch
- Department Anatomy and Neurosciences, VU University Medical Center, Amsterdam Neuroscience, De Boelelaan 1108, 1081, HZ, Amsterdam, The Netherlands
| | - Wia Baron
- Department of Cell Biology, University Medical Center Groningen, Groningen, The Netherlands
| | - Anne-Marie van Dam
- Department Anatomy and Neurosciences, VU University Medical Center, Amsterdam Neuroscience, De Boelelaan 1108, 1081, HZ, Amsterdam, The Netherlands.
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Szondy Z, Korponay-Szabó I, Király R, Sarang Z, Tsay GJ. Transglutaminase 2 in human diseases. Biomedicine (Taipei) 2017; 7:15. [PMID: 28840829 PMCID: PMC5571667 DOI: 10.1051/bmdcn/2017070315] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Accepted: 05/15/2017] [Indexed: 12/30/2022] Open
Abstract
Transglutaminase 2 (TG2) is an inducible transamidating acyltransferase that catalyzes Ca(2+)-dependent protein modifications. In addition to being an enzyme, TG2 also serves as a G protein for several seven transmembrane receptors and acts as a co-receptor for integrin β1 and β3 integrins distinguishing it from other members of the transglutaminase family. TG2 is ubiquitously expressed in almost all cell types and all cell compartments, and is also present on the cell surface and gets secreted to the extracellular matrix via non-classical mechanisms. TG2 has been associated with various human diseases including inflammation, cancer, fibrosis, cardiovascular disease, neurodegenerative diseases, celiac disease in which it plays either a protective role, or contributes to the pathogenesis. Thus modulating the biological activities of TG2 in these diseases will have a therapeutic value.
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Affiliation(s)
- Zsuzsa Szondy
- Dental Biochemistry, Department of Biochemistry and Molecular Biology, University of Debrecen, Debrecen 4010, Hungary
| | - Ilma Korponay-Szabó
- Department of Pediatrics and Biochemistry and Molecular Biology, University of Debrecen, Debrecen 4010, Hungary - Celiac Disease Center, Heim Pál Children's Hospital, Budapest 1089, Hungary
| | - Robert Király
- Department of Biochemistry and Molecular Biology, University of Debrecen, Debrecen 4010, Hungary
| | - Zsolt Sarang
- Department of Biochemistry and Molecular Biology, University of Debrecen, Debrecen 4010, Hungary
| | - Gregory J Tsay
- Division of Immunology and Rheumatology, Department of Internal Medicine, China Medical University Hospital, Taichung 404, Taiwan - School of medicine, College of Medicine, China Medical University, Taichung 404, Taiwan
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Long H, Ma K, Xiao Z, Ren X, Yang G. Preparation and characteristics of gelatin sponges crosslinked by microbial transglutaminase. PeerJ 2017; 5:e3665. [PMID: 28828260 PMCID: PMC5554441 DOI: 10.7717/peerj.3665] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 07/19/2017] [Indexed: 02/05/2023] Open
Abstract
Microbial transglutaminase (mTG) was used as a crosslinking agent in the preparation of gelatin sponges. The physical properties of the materials were evaluated by measuring their material porosity, water absorption, and elastic modulus. The stability of the sponges were assessed via hydrolysis and enzymolysis. To study the material degradation in vivo, subcutaneous implantations of sponges were performed on rats for 1–3 months, and the implanted sponges were analyzed. To evaluate the cell compatibility of the mTG crosslinked gelatin sponges (mTG sponges), adipose-derived stromal stem cells were cultured and inoculated into the scaffold. Cell proliferation and viability were measured using alamarBlue assay and LIVE/DEAD fluorescence staining, respectively. Cell adhesion on the sponges was observed by scanning electron microscopy (SEM). Results show that mTG sponges have uniform pore size, high porosity and water absorption, and good mechanical properties. In subcutaneous implantation, the material was partially degraded in the first month and completely absorbed in the third month. Cell experiments showed evident cell proliferation and high viability. Results also showed that the cells grew vigorously and adhered tightly to the sponge. In conclusion, mTG sponge has good biocompatibility and can be used in tissue engineering and regenerative medicine.
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Affiliation(s)
- Haiyan Long
- Center of Engineering-Training, Chengdu Aeronautic Polytechnic, Chengdu, China
| | - Kunlong Ma
- Department of Orthopaedics, Yongchuan Hospital, Chongqing Medical University, Chongqing, China
| | - Zhenghua Xiao
- Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaomei Ren
- Department of Medical Information and Engineering, School of Electrical Engineering and Information, Sichuan University, Chengdu, China
| | - Gang Yang
- Department of Medical Information and Engineering, School of Electrical Engineering and Information, Sichuan University, Chengdu, China
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Rodríguez-Pascual F, Díez J. Myocardial fibrosis in response to pressure overload: elucidating the contribution of tissue transglutaminase. Cardiovasc Res 2017; 113:841-843. [PMID: 28541382 DOI: 10.1093/cvr/cvx105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Fernando Rodríguez-Pascual
- Centro de Biología Molecular "Severo Ochoa," Consejo Superior de Investigaciones Científicas (C.S.I.C.), Universidad Autónoma de Madrid (U.A.M.), Nicolás Cabrera 1., E28049 Madrid, Spain
| | - Javier Díez
- Department of Cardiology and Cardiac Surgery, Program of Cardiovascular Diseases, Center for Applied Medical Research, University Clinic, University of Navarra, Pamplona and CIBERCV, Carlos III Institute of Health, Madrid, Spain
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50
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Hao C, Cui Y, Owen S, Li W, Cheng S, Jiang WG. Human osteopontin: Potential clinical applications in cancer (Review). Int J Mol Med 2017; 39:1327-1337. [PMID: 28440483 PMCID: PMC5428945 DOI: 10.3892/ijmm.2017.2964] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 04/10/2017] [Indexed: 12/11/2022] Open
Abstract
Human osteopontin (OPN) is a glycosylated phosphoprotein which is expressed in a variety of tissues in the body. In recent years, accumulating evidence has indicated that the aberrant expression of OPN is closely associated with tumourigensis, progression and most prominently with metastasis in several tumour types. In this review, we present the current knowledge on the expression profiles of OPN and its main splice variants in human cancers, as well as the potential implications in patient outcome. We also discuss its putative clinical application as a cancer biomarker and as a therapeutic target.
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Affiliation(s)
- Chengcheng Hao
- Department of Biochemistry and Molecular Biology
- Beijing Key Laboratory of Cancer and Metastasis Research, Capital Medical University, Beijing 100069, P.R. China
| | - Yuxin Cui
- Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Sionen Owen
- Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Wenbin Li
- Department of Oncology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, P.R. China
| | - Shan Cheng
- Department of Biochemistry and Molecular Biology
- Beijing Key Laboratory of Cancer and Metastasis Research, Capital Medical University, Beijing 100069, P.R. China
| | - Wen G. Jiang
- Correspondence to: Professor Wen G. Jiang, Cardiff China Medical Research Collaborative, Cardiff University School of Medicine, Henry Wellcome Building, Heath Park Way, Cardiff CF14 4XN, UK, E-mail:
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