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Doherty EL, Krohn G, Warren EC, Patton A, Whitworth CP, Rathod M, Biehl A, Aw WY, Freytes DO, Polacheck WJ. Human Cell-Derived Matrix Composite Hydrogels with Diverse Composition for Use in Vasculature-on-chip Models. Adv Healthc Mater 2024:e2400192. [PMID: 38518808 DOI: 10.1002/adhm.202400192] [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: 02/16/2024] [Revised: 03/19/2024] [Indexed: 03/24/2024]
Abstract
Microphysiological and organ-on-chip platforms seek to address critical gaps in human disease models and drug development that underlie poor rates of clinical success for novel interventions. While the fabrication technology and model cells used to synthesize organs-on-chip have advanced considerably, most platforms rely on animal-derived or synthetic extracellular matrix as a cell substrate, limiting mimicry of human physiology and precluding use in modeling diseases in which matrix dynamics play a role in pathogenesis. Here, the development of human cell-derived matrix (hCDM) composite hydrogels for use in 3D microphysiologic models of the vasculature is reported. hCDM composite hydrogels are derived from human donor fibroblasts and maintain a complex milieu of basement membrane, proteoglycans, and nonfibrillar matrix components. The use of hCDM composite hydrogels as 2D and 3D cell culture substrates is demonstrated, and hCDM composite hydrogels are patterned to form engineered human microvessels. Interestingly, hCDM composite hydrogels are enriched in proteins associated with vascular morphogenesis as determined by mass spectrometry, and functional analysis demonstrates proangiogenic signatures in human endothelial cells cultured in these hydrogels. In conclusion, this study suggests that human donor-derived hCDM composite hydrogels could address technical gaps in human organs-on-chip development and serve as substrates to promote vascularization.
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Affiliation(s)
- Elizabeth L Doherty
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Grace Krohn
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Emily C Warren
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Alexandra Patton
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Chloe P Whitworth
- Curriculum in Genetics and Molecular Biology, University of North Carolina at Chapel Hill School of Medicine, 130 Mason Farm Road, Chapel Hill, Carolina, NC 27599, USA
| | - Mitesh Rathod
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Andreea Biehl
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Wen Yih Aw
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - Donald O Freytes
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
| | - William J Polacheck
- The Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, 10010 Mary Ellen Jones Building, 116 Manning Drive, Chapel Hill, NC 27514, USA
- Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill School of Medicine, 111 Mason Farm Road, Chapel Hill, Carolina, NC 27599, USA
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Li W, Liu L, Duanqing M, Xiong X, Gan D, Yang J, Wang M, Zhou M, Yan J. CLDN1 silencing suppresses the proliferation and migration of airway smooth muscle cells by modulating MMP14. Autoimmunity 2023; 56:2281223. [PMID: 37964516 DOI: 10.1080/08916934.2023.2281223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 11/05/2023] [Indexed: 11/16/2023]
Abstract
Airway remodeling is an important pathologic factor in the progression of asthma. Abnormal proliferation and migration of airway smooth muscle cells (ASMCs) are important pathologic mechanisms in severe asthma. In the current study, claudin-1 (CLDN1) was identified as an asthma-related gene and was upregulated in ASMCs stimulated with platelet-derived growth factor BB (PDGF-BB). Cell counting kit-8 and EdU assays were used to evaluate cell proliferation, and transwell assay was carried out to analyze cell migration and invasion. The levels of inflammatory factors were detected using enzyme-linked immunosorbent assay. The results showed that CLDN1 knockdown inhibited the proliferation, migration, invasion, and inflammation of ASMCs treated with PDGF-BB, whereas overexpression of CLDN1 exhibited the opposite effects. Protein-protein interaction assay and co-immunoprecipitation revealed that CLDN1 directly interacted with matrix metalloproteinase 14 (MMP14). CLDN1 positively regulated MMP14 expression in asthma, and MMP14 overexpression reversed cell proliferation, migration, invasion, and inflammation induced by silenced CLDN1. Taken together, CLDN1 promotes PDGF-BB-induced cell proliferation, migration, invasion, and inflammatory responses of ASMCs by upregulating MMP14 expression, suggesting a potential role for CLDN1 in airway remodeling in asthma.
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Affiliation(s)
- Wei Li
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Linyan Liu
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Ming'ai Duanqing
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Xiaoqing Xiong
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Dejian Gan
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Jin Yang
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Mingya Wang
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Min Zhou
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
| | - Jun Yan
- Pediatrics Department, The People's Hospital of Jiulongpo District, Chongqing, China
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3
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Lee H, Youn I, Demissie R, Vaid TM, Che CT, Azar DT, Han KY. Identification of small molecule inhibitors against MMP-14 via High-Throughput screening. Bioorg Med Chem 2023; 85:117289. [PMID: 37094433 PMCID: PMC10167624 DOI: 10.1016/j.bmc.2023.117289] [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: 11/30/2022] [Revised: 03/22/2023] [Accepted: 04/13/2023] [Indexed: 04/26/2023]
Abstract
Matrix metalloproteinases (MMPs) are involved in various cellular events in physiology and pathophysiology through endopeptidases activity. The expression levels and activities of most MMPs remain minimal in the normal conditions, whereas some MMPs are significantly activated in pathological conditions such as cancer and neovascularization. Hence, MMPs are considered as both diagnostic markers and potential targets for therapeutic agents. Twenty-three known human MMPs share a similar active site structure with a zinc-binding motif, resulting in lack of specificity. Therefore, the enhancement of target specificity is a primary goal for the development of specific MMP inhibitors. MMP-14 regulates VEGFA/VEGFR2-system through cleavage of the non-functional VEGFR1 in vascular angiogenesis. In this study, we developed a fluorescence-based enzymatic assay using a specific MMP-14 substrate generated from VEGFR1 cleavage site. This well optimized assay was used as a primary screen method to identify MMP-14 specific inhibitors from 1,200 Prestwick FDA-approved drug library. Of ten initial hits, two compounds showed IC50 values below 30 µM, which were further validated by direct binding analysis using surface plasmon resonance (SPR). Clioquinol and chloroxine, both of which contain a quinoline structure, were identified as MMP-14 inhibitors. Five analogs were tested, four of which were found to be completely devoid of inhibitory activity. Clioquinol exhibited selectivity towards MMP-14, as it showed no inhibitory activity towards four other MMPs.
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Affiliation(s)
- Hyun Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA; Biophysics Core at Research Resource Center, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Isoo Youn
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Robel Demissie
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA; Biophysics Core at Research Resource Center, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Tasneem M Vaid
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Chun-Tao Che
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Kyu-Yeon Han
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, IL 60612, USA.
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4
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Extracellular Vesicles in Corneal Fibrosis/Scarring. Int J Mol Sci 2022; 23:ijms23115921. [PMID: 35682600 PMCID: PMC9180085 DOI: 10.3390/ijms23115921] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/21/2022] [Accepted: 05/23/2022] [Indexed: 11/24/2022] Open
Abstract
Communication between cells and the microenvironment is a complex, yet crucial, element in the development and progression of varied physiological and pathological processes. Accumulating evidence in different disease models highlights roles of extracellular vesicles (EVs), either in modulating cell signaling paracrine mechanism(s) or harnessing their therapeutic moiety. Of interest, the human cornea functions as a refractive and transparent barrier that protects the intraocular elements from the external environment. Corneal trauma at the ocular surface may lead to diminished corneal clarity and detrimental effects on visual acuity. The aberrant activation of corneal stromal cells, which leads to myofibroblast differentiation and a disorganized extracellular matrix is a central biological process that may result in corneal fibrosis/scarring. In recent years, understanding the pathological and therapeutic EV mechanism(s) of action in the context of corneal biology has been a topic of increasing interest. In this review, we describe the clinical relevance of corneal fibrosis/scarring and how corneal stromal cells contribute to wound repair and their generation of the stromal haze. Furthermore, we will delve into EV characterization, their subtypes, and the pathological and therapeutic roles they play in corneal scarring/fibrosis.
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5
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Kosanović M, Milutinovic B, Glamočlija S, Morlans IM, Ortiz A, Bozic M. Extracellular Vesicles and Acute Kidney Injury: Potential Therapeutic Avenue for Renal Repair and Regeneration. Int J Mol Sci 2022; 23:ijms23073792. [PMID: 35409151 PMCID: PMC8998560 DOI: 10.3390/ijms23073792] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 12/10/2022] Open
Abstract
Acute kidney injury (AKI) is a sudden decline of renal function and represents a global clinical problem due to an elevated morbidity and mortality. Despite many efforts, currently there are no treatments to halt this devastating condition. Extracellular vesicles (EVs) are nanoparticles secreted by various cell types in both physiological and pathological conditions. EVs can arise from distinct parts of the kidney and can mediate intercellular communication between various cell types along the nephron. Besides their potential as diagnostic tools, EVs have been proposed as powerful new tools for regenerative medicine and have been broadly studied as therapeutic mediators in different models of experimental AKI. In this review, we present an overview of the basic features and biological relevance of EVs, with an emphasis on their functional role in cell-to-cell communication in the kidney. We explore versatile roles of EVs in crucial pathophysiological mechanisms contributing to AKI and give a detailed description of the renoprotective effects of EVs from different origins in AKI. Finally, we explain known mechanisms of action of EVs in AKI and provide an outlook on the potential clinical translation of EVs in the setting of AKI.
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Affiliation(s)
- Maja Kosanović
- Institute for the Application of Nuclear Energy, INEP, University of Belgrade, 11080 Belgrade, Serbia; (M.K.); (S.G.)
| | - Bojana Milutinovic
- Department of Neurosurgery, MD Anderson Cancer Center, University of Texas, Houston, TX 77030, USA;
| | - Sofija Glamočlija
- Institute for the Application of Nuclear Energy, INEP, University of Belgrade, 11080 Belgrade, Serbia; (M.K.); (S.G.)
| | - Ingrid Mena Morlans
- Vascular and Renal Translational Research Group, Biomedical Research Institute of Lleida Dr. Pifarré Foundation (IRBLleida), 25196 Lleida, Spain;
| | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundación Jiménez Díaz, Universidad Autónoma Madrid, 28040 Madrid, Spain;
| | - Milica Bozic
- Vascular and Renal Translational Research Group, Biomedical Research Institute of Lleida Dr. Pifarré Foundation (IRBLleida), 25196 Lleida, Spain;
- Correspondence:
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6
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Li X, Li K, Li M, Lin X, Mei Y, Huang X, Yang H. Chemoresistance Transmission via Exosome-Transferred MMP14 in Pancreatic Cancer. Front Oncol 2022; 12:844648. [PMID: 35223528 PMCID: PMC8865617 DOI: 10.3389/fonc.2022.844648] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 01/17/2022] [Indexed: 12/19/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest malignancies. Gemcitabine is the most commonly used chemotherapy for the treatment of PDAC, but the development of drug resistance still remains challenging. Recently, exosomes have emerged as important mediators for intercellular communication. Exosomes affect recipient cells’ behavior through the engulfed cargos, however the specific cargos responsible for gemcitabine resistance in PDAC are poorly understood. Here, we reported that exosomes could transfer gemcitabine resistance via a metalloproteinase 14 (MMP14)-dependent mechanism. MMP14 was identified as a major differentially secreted protein from the gemcitabine-resistant PDAC cells by comparative secretome. It was packaged into the exosomes and transmitted from the chemoresistant cells to the sensitive ones. The exosome-transferred MMP14 could enhance drug resistance and promotes the sphere-formation and migration abilities of the recipient sensitive PDAC cells. Mechanically, exosome-transferred MMP14 promotes the stability of CD44, the cancer stem cell marker in the recipient cells. Our results indicate that MMP14 is a key player for exosome-mediated transfer of gemcitabine resistance, thus targeting MMP14 in exosomes may represent a novel strategy to limit gemcitabine resistance in PDAC.
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Affiliation(s)
- Xinyuan Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Kai Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Mengmeng Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Xiaoyu Lin
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Yu Mei
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Xuemei Huang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Huanjie Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
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7
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Hey S, Ratt A, Linder S. There and back again: Intracellular trafficking, release and recycling of matrix metalloproteinases. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119189. [PMID: 34973301 DOI: 10.1016/j.bbamcr.2021.119189] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 12/26/2022]
Abstract
Matrix metalloproteinases are a family of zinc-dependent endopeptidases that are involved in a large variety of proteolytic processes in physiological and pathological scenarios, including immune cell surveillance, tissue homeostasis, or tumor cell metastasis. This is based on their ability to cleave a plethora of substrates that include components of the extracellular matrix, but also cell surface-associated and intracellular proteins. Accordingly, a tight regulatory web has evolved that closely regulates spatiotemporal activity of specific MMPs. An often underappreciated mechanism of MMP regulation involves their trafficking to and from specific subcellular sites that require MMP activity only for a certain period. In this review, we focus on the current knowledge of MMP intracellular trafficking, their secretion or surface exposure, as well as their recycling back from the cell surface. We discuss molecular mechanisms that enable these steps, in particular microtubule-dependent motility of vesicles that is driven by molecular motors and directed by vesicle regulatory proteins. Finally, we also point out open questions in the field of MMP motility that may become important in the future.
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Affiliation(s)
- Sven Hey
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany
| | - Artur Ratt
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany
| | - Stefan Linder
- Institute for Medical Microbiology, Virology and Hygiene, University Medical Center Eppendorf, 20246 Hamburg, Germany.
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8
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Ma Y, Yang J, Zhang Y, Zheng C, Liang Z, Lu P, Song F, Wang Y, Zhang J. Development of a naringenin microemulsion as a prospective ophthalmic delivery system for the treatment of corneal neovascularization: in vitro and in vivo evaluation. Drug Deliv 2021; 29:111-127. [PMID: 34964414 PMCID: PMC8725867 DOI: 10.1080/10717544.2021.2021323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Naringenin, a flavonoid, possesses antiangiogenic potential and inhibits corneal neovascularization (CNV); however, its therapeutic use is restricted due to poor solubility and limited bioavailability. In this study, we developed a naringenin microemulsion (NAR-ME) for inhibiting CNV. NAR-ME formulation was composed of triacetin (oil phase), Cremophor RH40 (CRH40), PEG400, and water, its droplet size was 13.22 ± 0.13 nm with a narrow size distribution (0.112 ± 0.0014). The results demonstrated that NAR-ME released higher and permeated more drug than NAR suspension (NAR-Susp) in in vitro drug release and ex vivo corneal permeation study. Human corneal epithelial cells (HCECs) toxicity study showed no toxicity with NAR-ME, which is consistent with the result of ocular irritation study. NAR-ME had high bioavailability 1.45-fold, 2.15-fold, and 1.35-fold higher than NAR-Susp in the cornea, conjunctiva, and aqueous humor, respectively. Moreover, NAR-ME (0.5% NAR) presented efficacy comparable to that of dexamethasone (0.025%) in the inhibition of CNV in mice CNV model induced by alkali burning, resulting from the attenuation of corneal vascular endothelial growth factor (VEGF) and matrix metalloproteinase (MMP-14) expression. In conclusion, the optimized NAR-ME formulation demonstrated excellent physicochemical properties and good tolerance, enhanced ocular bioavailability and corneal permeability. This formulation is promising, safe, and effective for the treatment of CNV.
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Affiliation(s)
- Yu Ma
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Jingjing Yang
- Henan Eye Institute, Henan Eye Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Yali Zhang
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Chunyan Zheng
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Zhen Liang
- Henan Eye Institute, Henan Eye Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Ping Lu
- Henan Eye Institute, Henan Eye Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Fei Song
- Henan Eye Institute, Henan Eye Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Yuwei Wang
- Henan University of Chinese Medicine, Zhengzhou, China.,The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Junjie Zhang
- Henan Eye Institute, Henan Eye Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
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9
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Matrix Metalloproteinases Shape the Tumor Microenvironment in Cancer Progression. Int J Mol Sci 2021; 23:ijms23010146. [PMID: 35008569 PMCID: PMC8745566 DOI: 10.3390/ijms23010146] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer progression with uncontrolled tumor growth, local invasion, and metastasis depends largely on the proteolytic activity of numerous matrix metalloproteinases (MMPs), which affect tissue integrity, immune cell recruitment, and tissue turnover by degrading extracellular matrix (ECM) components and by releasing matrikines, cell surface-bound cytokines, growth factors, or their receptors. Among the MMPs, MMP-14 is the driving force behind extracellular matrix and tissue destruction during cancer invasion and metastasis. MMP-14 also influences both intercellular as well as cell-matrix communication by regulating the activity of many plasma membrane-anchored and extracellular proteins. Cancer cells and other cells of the tumor stroma, embedded in a common extracellular matrix, interact with their matrix by means of various adhesive structures, of which particularly invadopodia are capable to remodel the matrix through spatially and temporally finely tuned proteolysis. As a deeper understanding of the underlying functional mechanisms is beneficial for the development of new prognostic and predictive markers and for targeted therapies, this review examined the current knowledge of the interplay of the various MMPs in the cancer context on the protein, subcellular, and cellular level with a focus on MMP14.
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10
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Chen Y, Liu Y, Gao X. The Application of Single-Cell Technologies in Cardiovascular Research. Front Cell Dev Biol 2021; 9:751371. [PMID: 34708045 PMCID: PMC8542723 DOI: 10.3389/fcell.2021.751371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/21/2021] [Indexed: 12/21/2022] Open
Abstract
Cardiovascular diseases (CVDs) are the leading cause of deaths in the world. The intricacies of the cellular composition and tissue microenvironment in heart and vasculature complicate the dissection of molecular mechanisms of CVDs. Over the past decade, the rapid development of single-cell omics technologies generated vast quantities of information at various biological levels, which have shed light on the cellular and molecular dynamics in cardiovascular development, homeostasis and diseases. Here, we summarize the latest single-cell omics techniques, and show how they have facilitated our understanding of cardiovascular biology. We also briefly discuss the clinical value and future outlook of single-cell applications in the field.
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Affiliation(s)
- Yinan Chen
- Fuwai Hospital, Chinese Academy of Medical Sciences, Shenzhen, China.,State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yang Liu
- Department of Vascular Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiang Gao
- Department of Vascular Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, China
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11
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Zhao FJ, Su Q, Zhang W, Yang WC, Zhao L, Gao LY. Endu combined with concurrent chemotherapy and radiotherapy for stage IIB-IVA cervical squamous cell carcinoma patients. World J Clin Cases 2021; 9:8061-8070. [PMID: 34621863 PMCID: PMC8462205 DOI: 10.12998/wjcc.v9.i27.8061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/30/2021] [Accepted: 08/03/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND In recent years, the incidence of cervical cancer has increased with increasing life pressures and changes in women's social roles, posing a serious threat to women's physical and mental health.
AIM To explore the clinical effect of Endo combined with concurrent radiotherapy and chemotherapy in the treatment of advanced cervical squamous cell carcinoma.
METHODS A total of 120 patients admitted to the oncology department of our hospital were selected as the research subjects. They were equally divided into the test group and the control group (60 patients each) with a random number table. The test group was treated with Endo combined with concurrent radiotherapy and chemotherapy, and the control group was treated with concurrent radiotherapy and chemotherapy. We compared the serum thymidine kinase 1 (TK1), human epididymis protein 4 (HE4), vascular endothelial growth factor (VEGF), and squamous cell carcinoma-associated antigen (SCC-Ag) levels, the clinical effects and survival before and after radiotherapy and chemotherapy, the quality score, and the 3-year follow-up outcomes between the two groups.
RESULTS After chemotherapy, the complete remission + partial remission rate was 85.00% in the test group and 68.33% in the control group; the difference was not statistically significant (P > 0.05). Before chemotherapy, the serum TK1, HE4, VEGF, and SCC-Ag levels of the two groups were not significantly different (P > 0.05). After chemotherapy, the levels of serum TK1 (1.27 ± 0.40 pmol/L), HE4 (81.4 ± 24.0 pmol/L), VEGF (235.1 ± 38.0 pg/mL), and SCC-Ag (1.76 ± 0.55 ng/mL) were lower than those in the control group [TK1 (1.58 ± 0.51 pmol/L), HE4 (98.0 ± 28.6) pmol/L, VEGF (284.2 ± 54.1 pg/mL), and SCC-Ag (2.34 ± 0.78 ng/mL)]. The difference was statistically significant (P < 0.05). Before chemotherapy, there were no significant differences in the physical, role, mood, cognition, social and symptom scale scores of the two groups (P > 0.05). After chemotherapy, the physical, role, mood, cognitive and social scores were higher in the test group than in the control group, and the difference was statistically significant (P < 0.05). The symptom scale scores of the test group were all lower than those of the control group, and the difference was statistically significant (P < 0.05). The 3-year progression-free survival (PFS) rate was 43.33% in the test group and 26.67% in the control group; the overall survival (OS) rate was 48.33% in the test group and 33.33% in the control group; the differences were not statistically significant (P > 0.05). The 3-year PFS time of the test group was 20.0 mo, which was longer than that of the control group (15.0 mo), and the difference was significant (P < 0.05). The OS time of the test group was 30.0 mo, which was longer than that of the control group (18.0 mo), and the difference was significant (P < 0.05).
CONCLUSION Endo combined with concurrent radiotherapy and chemotherapy for the treatment of advanced cervical squamous cell carcinoma has a positive effect on reducing the level of tumor markers in patients, prolonging the PFS and OS times of patients, and improving the quality of life.
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Affiliation(s)
- Feng-Ju Zhao
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
| | - Qun Su
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
| | - Wei Zhang
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
| | - Wen-Cui Yang
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
| | - Lin Zhao
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
| | - Li-Ying Gao
- Department of Radiotherapy, Gansu Cancer Hospital, Lanzhou 730050, Gansu Province, China
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12
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Li YC, Zheng J, Wang XZ, Wang X, Liu WJ, Gao JL. Mesenchymal stem cell-derived exosomes protect trabecular meshwork from oxidative stress. Sci Rep 2021; 11:14863. [PMID: 34290351 PMCID: PMC8295363 DOI: 10.1038/s41598-021-94365-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 07/09/2021] [Indexed: 12/22/2022] Open
Abstract
This study aims to investigate the beneficial effects of exosomes derived from bone marrow mesenchymal stem cells (BMSCs) on trabecular meshwork cells under oxidative stress and predict candidate genes associated with this process. Trabecular meshwork cells were pretreated with BMSC-derived exosomes for 24 h, and exposed to 0.1 mM H2O2 for 6 h. Survival rate of trabecular meshwork cells was measured with CCK-8 assay. Production of intracellular reactive oxygen species (iROS) was measured using a flow cytometer. RT-PCR and ELISA were used to detect mRNA and protein levels of inflammatory cytokines and matrix metalloproteinases (MMPs). Sequencing of RNA and miRNA for trabecular meshwork cells from Exo and control groups was performed on BGISEQ500 platform. Phenotypically, pretreatment of BMSC-derived exosomes improves survival rate of trabecular meshwork cells exposed to H2O2, reduces production of iROS, and inhibits expression of inflammatory cytokines, whereas increases expression of MMPs. There were 23 miRNAs, 307 lncRNAs, and 367 mRNAs differentially expressed between Exo and control groups. Exosomes derived from BMSCs may protect trabecular meshwork cells from oxidative stress. Candidate genes responsible for beneficial effects, such as DIO2 and HMOX1, were predicted.
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Affiliation(s)
- Ying-Chao Li
- Department of Ophthalmology, Liaocheng People's Hospital, Cheeloo College of Medicine, Shandong University, Liaocheng, 252000, Shandong, China
- Department of Ophthalmology, Taian City Central Hospital, Taian, 271000, Shandong, China
| | - Juan Zheng
- Joint Laboratory for Translational Medicine Research, Beijing Institute of Genomics, Chinese Academy of Sciences & Liaocheng People's Hospital, Liaocheng, 252000, Shandong, China
| | - Xi-Zi Wang
- Joint Laboratory for Translational Medicine Research, Beijing Institute of Genomics, Chinese Academy of Sciences & Liaocheng People's Hospital, Liaocheng, 252000, Shandong, China
| | - Xin Wang
- Department of Ophthalmology, Liaocheng People's Hospital, Liaocheng, 252000, Shandong, China
| | - Wen-Jing Liu
- Department of Ophthalmology, Taian City Central Hospital, Taian, 271000, Shandong, China
| | - Jian-Lu Gao
- Department of Ophthalmology, Liaocheng People's Hospital, Cheeloo College of Medicine, Shandong University, Liaocheng, 252000, Shandong, China.
- Department of Ophthalmology, Liaocheng People's Hospital, Liaocheng, 252000, Shandong, China.
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13
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Lecuyer M, Pathipati P, Faustino J, Vexler ZS. Neonatal stroke enhances interaction of microglia-derived extracellular vesicles with microglial cells. Neurobiol Dis 2021; 157:105431. [PMID: 34153465 DOI: 10.1016/j.nbd.2021.105431] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 05/21/2021] [Accepted: 06/16/2021] [Indexed: 12/15/2022] Open
Abstract
Microglial cells support brain homeostasis under physiological conditions and modulate brain injury in a context-dependent and brain maturation-dependent manner. Microglial cells protect neonatal brain from acute stroke. While microglial signaling via direct cell-cell interaction and release of variety of molecules is intensely studied, less is known about microglial signaling via release and uptake of extracellular vesicles (EVs). We asked whether neonatal stroke alters release of microglial EVs (MEV) and MEV communication with activated microglia. We pulled down and plated microglia from ischemic-reperfused and contralateral cortex 24 h after transient middle cerebral artery occlusion (tMCAO) in postnatal day 9 mice, isolated and characterized microglia-derived microvesicles (P3-MEV) and exosomes (P4-MEV), and determined uptake of fluorescently labeled P3-MEV and P4-MEV by plated microglia derived from ischemic-reperfused and contralateral cortex. We then examined how reducing EVs release in neonatal brain-by intra-cortical injection of CRISPR-Cas9-Smpd3/KO (Smpd3/KD) to downregulate Smpd3 gene to disrupt neutral sphingomyelinase-2 (N-SMase2)-impacts P3-MEV and P4-MEV release and stroke injury. Both size and protein composition differed between P3-MEV and P4-MEV. tMCAO further altered protein composition of P3-MEV and P4-MEV and significantly, up to 5-fold, increased uptake of both vesicle subtypes by microglia from ischemic-reperfused regions. Under physiological conditions neurons were the predominant cell type expressing N-SMase-2, an enzyme involved in lipid signaling and EVs release. After tMCAO N-SMase-2 expression was diminished in injured neurons but increased in activated microglia/macrophages, leading to overall reduced N-SMase-2 activity. Compared to intracerebral injection of control plasmid, CRISPR-Cas9-Smpd3/Ct, Smpd3/KD injection further reduced N-SMase-2 activity and significantly reduced injury. Smpd3 downregulation decreased MEV release from injured regions, reduced Smpd3/KD-P3-MEV uptake and abolished Smpd3/KD-P4-MEV uptake by microglia from ischemic-reperfused region. Cumulatively, these data demonstrate that microglial cells release both microvesicles and exosomes in naïve neonatal brain, that the state of microglial activation determines both properties of released EVs and their recognition/uptake by microglia in ischemic-reperfused and control regions, suggesting a modulatory role of MEV in neonatal stroke, and that sphingosine/N-SMase-2 signaling contributes both to EVs release and uptake (predominantly P4-MEV) after neonatal stroke.
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Affiliation(s)
| | | | - Joel Faustino
- Department of Neurology, UCSF, San Francisco, CA, USA
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14
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Zhang Z, Liang X, Zhou J, Meng M, Gao Y, Yi G, Fu M. Exosomes in the pathogenesis and treatment of ocular diseases. Exp Eye Res 2021; 209:108626. [PMID: 34087205 DOI: 10.1016/j.exer.2021.108626] [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: 02/04/2021] [Revised: 05/09/2021] [Accepted: 05/12/2021] [Indexed: 12/12/2022]
Abstract
Exosomes have diverse functions and rich content and are involved in intercellular communication, immune regulation, viral infection, tissue regeneration, and the occurrence, development and metastasis of tumours. Notably, various stem cell-derived exosomes are expected to become new therapeutic approaches for inflammatory diseases and tumours and have good clinical application prospects. However, few studies have examined exosomes in ophthalmic diseases. Therefore, based on the functions of exosomes, this paper summarizes progress in the possible use of exosomes as treatment for specific ophthalmic diseases, aiming to determine the pathogenesis of exosomes to achieve more effective clinical diagnosis and treatment of these diseases.
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Affiliation(s)
- Zhihan Zhang
- Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaotian Liang
- Southern Medical University, Guangzhou, Guangdong, China
| | - Jing Zhou
- Southern Medical University, Guangzhou, Guangdong, China
| | - Meijun Meng
- Southern Medical University, Guangzhou, Guangdong, China
| | - Ya Gao
- Southern Medical University, Guangzhou, Guangdong, China
| | - Guoguo Yi
- Department of Ophthalmology, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
| | - Min Fu
- Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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15
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Tang H, Zhang S, Huang C, Li K, Zhao Q, Li X. MiR-448-5p/VEGFA Axis Protects Cardiomyocytes from Hypoxia Through Regulating the FAS/FAS-L Signaling Pathway. Int Heart J 2021; 62:647-657. [PMID: 33994507 DOI: 10.1536/ihj.20-600] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Bioinformatics analysis showed that miR-448-5p expression in the myocardial tissue of rats with myocardial infarction significantly increased, suggesting that it may participate in myocardial cell apoptosis in myocardial infarction. This study aimed to explore the protective effects of miR-448-5p on hypoxic myocardial cells.H9C2 cells were cultured and subjected to anoxia for 2, 4, and 8 hours to establish a hypoxia model. MiR-448-5p mimic and inhibitor were transfected into the cells; then, a dual-luciferase experiment was conducted to verify the targeting relationship between miR-448-5p and VEGFA. Cell viability and apoptosis was detected by cell counting kit-8 and flow cytometry, respectively. The expressions of apoptosis-related proteins, miR-448-5p, FAS, and FAS-L were measured using western blotting and quantitative reverse transcription-polymerase chain reaction (qRT-PCR).Hypoxia-reduced H9C2 cell viability and promoted apoptosis. MiR-448-5p expression was increased after H9C2 cell hypoxia. MiR-448-5p mimic significantly inhibited the viability and promoted the apoptosis of hypoxia-induced model cells. Hypoxia promoted the expression of apoptosis-related protein B-cell lymphoma-2 (Bcl-2) and inhibited the expressions of Bcl-2-associated x protein (Bax), cleaved caspase-3, and caspase-3, whereas the effect of inhibitor on hypoxia-reduced H9C2 cell and apoptotic protein expression were opposite to miR-448-5p mimic. MiR-448-5p targeted VEGFA and regulated its expression. Silenced VEGFA expression significantly inhibited inhibitor effect on increasing cell viability and promoted apoptosis. In addition, miR-448-5p mimic inhibited the effect of hypoxia on promoting the expressions of FAS and FAS-L of H9C2 cells. Inhibitors had the opposite effect on cell hypoxia model.The miR-448-5p/VEGFA axis could protect cardiomyocytes from hypoxia through inhibiting the FAS/FAS-L signaling pathway.
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Affiliation(s)
- Hanqing Tang
- School of Basic Medicine, Youjiang Medical University for Nationalities
| | - Shitian Zhang
- School of Basic Medicine, Youjiang Medical University for Nationalities
| | - Cenhan Huang
- School of Basic Medicine, Youjiang Medical University for Nationalities
| | - Keming Li
- School of Basic Medicine, Youjiang Medical University for Nationalities
| | - Qiuhua Zhao
- School of Basic Medicine, Youjiang Medical University for Nationalities
| | - Xiaohua Li
- School of Basic Medicine, Youjiang Medical University for Nationalities
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16
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Huang H. Proteolytic Cleavage of Receptor Tyrosine Kinases. Biomolecules 2021; 11:biom11050660. [PMID: 33947097 PMCID: PMC8145142 DOI: 10.3390/biom11050660] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/15/2021] [Accepted: 04/26/2021] [Indexed: 01/18/2023] Open
Abstract
The receptor tyrosine kinases (RTKs) are a large family of cell-surface receptors, which are essential components of signal transduction pathways. There are more than fifty human RTKs that can be grouped into multiple RTK subfamilies. RTKs mediate cellular signaling transduction, and they play important roles in the regulation of numerous cellular processes. The dysregulation of RTK signaling is related to various human diseases, including cancers. The proteolytic cleavage phenomenon has frequently been found among multiple receptor tyrosine kinases. More and more information about proteolytic cleavage in RTKs has been discovered, providing rich insight. In this review, we summarize research about different aspects of RTK cleavage, including its relation to cancer, to better elucidate this phenomenon. This review also presents proteolytic cleavage in various members of the RTKs.
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Affiliation(s)
- Hao Huang
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA; or
- Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
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17
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Su C, Zhang J, Yarden Y, Fu L. The key roles of cancer stem cell-derived extracellular vesicles. Signal Transduct Target Ther 2021; 6:109. [PMID: 33678805 PMCID: PMC7937675 DOI: 10.1038/s41392-021-00499-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer stem cells (CSCs), the subpopulation of cancer cells, have the capability of proliferation, self-renewal, and differentiation. The presence of CSCs is a key factor leading to tumor progression and metastasis. Extracellular vesicles (EVs) are nano-sized particles released by different kinds of cells and have the capacity to deliver certain cargoes, such as nucleic acids, proteins, and lipids, which have been recognized as a vital mediator in cell-to-cell communication. Recently, more and more studies have reported that EVs shed by CSCs make a significant contribution to tumor progression. CSCs-derived EVs are involved in tumor resistance, metastasis, angiogenesis, as well as the maintenance of stemness phenotype and tumor immunosuppression microenvironment. Here, we summarized the molecular mechanism by which CSCs-derived EVs in tumor progression. We believed that the fully understanding of the roles of CSCs-derived EVs in tumor development will definitely provide new ideas for CSCs-based therapeutic strategies.
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Affiliation(s)
- Chaoyue Su
- grid.488530.20000 0004 1803 6191State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, People’s Republic of China ,grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Jianye Zhang
- grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, People’s Republic of China
| | - Yosef Yarden
- grid.13992.300000 0004 0604 7563Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Liwu Fu
- grid.488530.20000 0004 1803 6191State Key Laboratory of Oncology in South China; Collaborative Innovation Center for Cancer Medicine; Guangdong Esophageal Cancer Institute, Sun Yat-sen University Cancer Center, Guangzhou, People’s Republic of China
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18
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Di Zazzo A, Gaudenzi D, Yin J, Coassin M, Fernandes M, Dana R, Bonini S. Corneal angiogenic privilege and its failure. Exp Eye Res 2021; 204:108457. [PMID: 33493471 PMCID: PMC10760381 DOI: 10.1016/j.exer.2021.108457] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022]
Abstract
The cornea actively maintains its own avascular status to preserve its ultimate optical function. This corneal avascular state is also defined as "corneal angiogenic privilege", which results from a critical and sensitive balance between anti-angiogenic and pro-angiogenic mechanisms. In our review, we aim to explore the complex equilibrium among multiple mediators which prevents neovascularization in the resting cornea, as well as to unveil the evolutive process which leads to corneal angiogenesis in response to different injuries.
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Affiliation(s)
- Antonio Di Zazzo
- Ophthalmology Operative Complex Unit, University Campus Bio-Medico, Rome, Italy.
| | - Daniele Gaudenzi
- Ophthalmology Operative Complex Unit, University Campus Bio-Medico, Rome, Italy
| | - Jia Yin
- Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Marco Coassin
- Ophthalmology Operative Complex Unit, University Campus Bio-Medico, Rome, Italy
| | - Merle Fernandes
- Cornea and Anterior Segment Services, LV Prasad Eye Institute, GMR Varalakshmi Campus, Visakhapatnam, India
| | - Reza Dana
- Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
| | - Stefano Bonini
- Ophthalmology Operative Complex Unit, University Campus Bio-Medico, Rome, Italy
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19
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Han KY, Chang JH, Azar DT. Proteomics-Based Characterization of the Effects of MMP14 on the Protein Content of Exosomes from Corneal Fibroblasts. Protein Pept Lett 2021; 27:979-988. [PMID: 32268857 DOI: 10.2174/0929866527666200408142827] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/15/2020] [Accepted: 02/17/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND Exosomes secreted by corneal fibroblasts contain matrix metalloproteinase (MMP) 14, which is known to influence pro-MMP2 accumulation on exosomes. Accordingly, we hypothesized that the enzymatic activity of MMP14 may alter the protein content of corneal fibroblast- secreted exosomes. OBJECTIVE The aim of this study was to investigate the effects of MMP14 on the composition and biological activity of corneal fibroblast-derived exosomes. METHODS Knock out of the catalytic domain (ΔExon4) of MMP14 in corneal fibroblasts was used to determine the effect of MMP14 expression on the characteristics of fibroblast-secreted exosomes. The amount of secreted proteins and their size distribution were measured using Nano Tracking Analysis. Proteins within exosomes from wild-type (WT) and ΔExon4-deficient fibroblasts were identified by liquid chromatography-tandem mass spectrometry (MS/MS) proteomics analysis. The proteolytic effects of MMP14 were evaluated in vitro via MS identification of eliminated proteins. The biological functions of MMP14-carrying exosomes were investigated via fusion to endothelial cells and flow cytometric assays. RESULTS Exosomes isolated from WT and ΔExon4-deficient fibroblasts exhibited similar size distributions and morphologies, although WT fibroblasts secreted a greater amount of exosomes. The protein content, however, was higher in ΔExon4-deficient fibroblast-derived exosomes than in WT fibroblast-derived exosomes. Proteomics analysis revealed that WT-derived exosomes included proteins that regulated cell migration, and ΔExon4 fibroblast-derived exosomes contained additional proteins that were cleaved by MMP14. CONCLUSION Our findings suggest that MMP14 expression influences the protein composition of exosomes secreted by corneal fibroblasts, and through those biological components, MMP14 in corneal fibroblasts derived-exosomes may regulate corneal angiogenesis.
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Affiliation(s)
- Kyu-Yeon Han
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Jin-Hong Chang
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, United States
| | - Dimitri T Azar
- Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, United States
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20
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Herrmann M, Diederichs S, Melnik S, Riegger J, Trivanović D, Li S, Jenei-Lanzl Z, Brenner RE, Huber-Lang M, Zaucke F, Schildberg FA, Grässel S. Extracellular Vesicles in Musculoskeletal Pathologies and Regeneration. Front Bioeng Biotechnol 2021; 8:624096. [PMID: 33553127 PMCID: PMC7855463 DOI: 10.3389/fbioe.2020.624096] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022] Open
Abstract
The incidence of musculoskeletal diseases is steadily increasing with aging of the population. In the past years, extracellular vesicles (EVs) have gained attention in musculoskeletal research. EVs have been associated with various musculoskeletal pathologies as well as suggested as treatment option. EVs play a pivotal role in communication between cells and their environment. Thereby, the EV cargo is highly dependent on their cellular origin. In this review, we summarize putative mechanisms by which EVs can contribute to musculoskeletal tissue homeostasis, regeneration and disease, in particular matrix remodeling and mineralization, pro-angiogenic effects and immunomodulatory activities. Mesenchymal stromal cells (MSCs) present the most frequently used cell source for EV generation for musculoskeletal applications, and herein we discuss how the MSC phenotype can influence the cargo and thus the regenerative potential of EVs. Induced pluripotent stem cell-derived mesenchymal progenitor cells (iMPs) may overcome current limitations of MSCs, and iMP-derived EVs are discussed as an alternative strategy. In the last part of the article, we focus on therapeutic applications of EVs and discuss both practical considerations for EV production and the current state of EV-based therapies.
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Affiliation(s)
- Marietta Herrmann
- Interdisciplinary Center for Clinical Research (IZKF) Group Tissue Regeneration in Musculoskeletal Diseases, University Hospital Würzburg, Würzburg, Germany
- Bernhard-Heine-Centrum for Locomotion Research, University of Würzburg, Würzburg, Germany
| | - Solvig Diederichs
- Research Centre for Experimental Orthopaedics, Centre for Orthopaedics, Trauma Surgery and Paraplegiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Svitlana Melnik
- Research Centre for Experimental Orthopaedics, Centre for Orthopaedics, Trauma Surgery and Paraplegiology, Heidelberg University Hospital, Heidelberg, Germany
| | - Jana Riegger
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, University of Ulm, Ulm, Germany
| | - Drenka Trivanović
- Interdisciplinary Center for Clinical Research (IZKF) Group Tissue Regeneration in Musculoskeletal Diseases, University Hospital Würzburg, Würzburg, Germany
- Bernhard-Heine-Centrum for Locomotion Research, University of Würzburg, Würzburg, Germany
| | - Shushan Li
- Department of Orthopedic Surgery, Experimental Orthopedics, Centre for Medical Biotechnology (ZMB), University of Regensburg, Regensburg, Germany
| | - Zsuzsa Jenei-Lanzl
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Orthopedic University Hospital Friedrichsheim, Frankfurt, Germany
| | - Rolf E. Brenner
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, University of Ulm, Ulm, Germany
| | - Markus Huber-Lang
- Institute of Clinical and Experimental Trauma-Immunology, University Hospital of Ulm, Ulm, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Orthopedic University Hospital Friedrichsheim, Frankfurt, Germany
| | - Frank A. Schildberg
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Bonn, Germany
| | - Susanne Grässel
- Department of Orthopedic Surgery, Experimental Orthopedics, Centre for Medical Biotechnology (ZMB), University of Regensburg, Regensburg, Germany
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21
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Shen W, Yu L, Cong A, Yang S, Wang P, Han G, Gu B, Zhang W. Silencing lncRNA AFAP1-AS1 Inhibits the Progression of Esophageal Squamous Cell Carcinoma Cells via Regulating the miR-498/VEGFA Axis. Cancer Manag Res 2020; 12:6397-6409. [PMID: 32801880 PMCID: PMC7402668 DOI: 10.2147/cmar.s254302] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 07/11/2020] [Indexed: 12/24/2022] Open
Abstract
Purpose In view of the continuous increase of the mortality rate, esophageal squamous cell carcinoma (ESCC) develops into a major health concern. In this study, we aimed to investigate the underlying mechanism of long noncoding RNA (lncRNA) actin filament-associated protein 1 antisense RNA (AFAP1-AS1)/microRNA-498 (miR-498)/vascular endothelial growth factor A (VEGFA) in ESCC cells. Methods The expression levels of AFAP1-AS1, miR-498 and VEGFA in ESCC tissues and cells were detected using quantitative real-time polymerase chain reaction (qRT-PCR). The effects of AFAP1-AS1 on ESCC cells proliferation and apoptosis were measured by methyl thiazolyl tetrazolium (MTT) and flow cytometry, respectively. Transwell assay was carried out to determine cell migration. In addition, VEGFA and cell behaviors-related proteins were determined by Western blot analysis. The targeted relationships of AFAP1-AS1 were verified by dual-luciferase reporter and RNA pull-down assays. Results The expression levels of lncRNA AFAP1-AS1 and VEGFA mRNA were upregulated, but miR-498 was downregulated in ESCC tissues and cells. Moreover, miR-498 was directly targeted by AFAP1-AS1 and there was a negative correlation between miR-498 and AFAP1-AS1. Functionally, AFAP1-AS1 silencing inhibited the proliferation and migration and induced apoptosis of ESCC cells. Interestingly, miR-498 inhibition rescued the effects of AFAP1-AS1 knockdown on cell proliferation, apoptosis and migration and restored the expression levels of tumor-developing marker proteins of AFAP1-AS1 silencing in Eca109 and KYSE-30 cells. Furthermore, VEGFA was verified as a direct target of miR-498 and reversed the effects of miR-498 overexpression on cell behaviors of ESCC in vitro. Conclusion Downregulation of AFAP1-AS1 impeded the proliferation and migration and induced apoptosis of ESCC cells by regulating miR-498/VEGFA axis, which might serve as a novel biomarker for the diagnosis and treatment of ESCC.
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Affiliation(s)
- Wenhao Shen
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Lei Yu
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Aihua Cong
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Song Yang
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Peng Wang
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Gaohua Han
- Department of Oncology, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China.,Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China
| | - Bin Gu
- Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China.,Department of Emergency, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China
| | - Wei Zhang
- Medical School of Nantong University, Nantong, Jiangsu, People's Republic of China.,Department of Infectious Disease, Taizhou People's Hospital, Taizhou, Jiangsu, People's Republic of China
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22
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Shi C, Yang Q, Pan S, Lin X, Xu G, Luo Y, Zheng B, Xie X, Yu M. LncRNA OIP5-AS1 promotes cell proliferation and migration and induces angiogenesis via regulating miR-3163/VEGFA in hepatocellular carcinoma. Cancer Biol Ther 2020; 21:604-614. [PMID: 32329664 DOI: 10.1080/15384047.2020.1738908] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) have been reported to play a significant role in the occurrence and progression of tumors. In different tumors, they can either act as an oncogene or tumor suppressor via modulating various target mRNAs. OIP5-AS1 belongs to lncRNA family. It has been reported to be involved in the tumorigenesis of some cancers, such as bladder cancer, gastric cancer, and multiple myeloma. However, the role it plays in hepatocellular carcinoma (HCC) remains unclear. This study aims to explore the inherent mechanism of lncRNA OIP5-AS1 in HCC. In the first place, qRT-PCR found that OIP5-AS1 and VEGFA expressions were significantly increased while miR-3163 was obviously reduced in HCC cells and tissues. Next, a series of functional experiments found that knockdown of OIP5-AS1 suppressed HCC cell proliferation, migration and angiogenesis abilities while promoting cell apoptosis simultaneously. Last but not least, miR-3163 inhibition or VEGFA overexpression can reverse the anti-tumor effect of OIP5-AS1. In summary, OIP5-AS1 affects HCC proliferation, metastasis, and angiogenesis in HCC by regulating VEGFA expression through sponging miR-3163.
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Affiliation(s)
- Changsheng Shi
- Department of Interventional Therapy, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Qing Yang
- Department of Gastroenterology, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Songsong Pan
- Wenzhou Medical University Wenzhou , Wenzhou, Zhejiang, China
| | - Xingcheng Lin
- Department of Hepatobiliary Surgery, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Gending Xu
- Department of Hepatobiliary Surgery, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Ya Luo
- Department of Interventional Therapy, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Bingru Zheng
- Department of Interventional Therapy, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Xiangpang Xie
- Department of Interventional Therapy, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
| | - Mingxu Yu
- Department of Hepatobiliary Surgery, The Third Affiliated Hospital of Wenzhou Medical University , Wenzhou, Zhejiang, China
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Baruah J, Wary KK. Exosomes in the Regulation of Vascular Endothelial Cell Regeneration. Front Cell Dev Biol 2020; 7:353. [PMID: 31998716 PMCID: PMC6962177 DOI: 10.3389/fcell.2019.00353] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022] Open
Abstract
Exosomes have been described as nanoscale membranous extracellular vesicles that emerge from a variety of cells and tissues and are enriched with biologically active genomic and non-genomic biomolecules capable of transducing cell to cell communication. Exosome release, and exosome mediated signaling and cross-talks have been reported in several pathophysiological states. Therefore, exosomes have the potential to become suitable for the diagnosis, prognosis and treatment of specific diseases, including endothelial cell (EC) dysfunction and regeneration. The role of EC-derived exosomes in the mechanisms of cardiovascular tissue regenerative processes represents currently an area of intense research activity. Recent studies have described the potential of exosomes to influence the pathophysiology of immune signaling, tumor metastasis, and angiogenesis. In this review, we briefly discuss progress made in our understanding of the composition and the roles of exosomes in relation to EC regeneration as well as revascularization of ischemic tissues.
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Affiliation(s)
- Jugajyoti Baruah
- Department of Psychiatry, Harvard Medical School, Boston, MA, United States.,Angiogenesis and Brain Development Laboratory, Division of Basic Neuroscience, McLean Hospital, Belmont, MA, United States
| | - Kishore K Wary
- Department of Pharmacology, The University of Illinois at Chicago, Chicago, IL, United States
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