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Li J, Li M, Wuethrich A, Guan R, Zhao L, Hu C, Trau M, Sun Y. Molecular Stratification and Treatment Monitoring of Lung Cancer Using a Small Extracellular Vesicle-Activated Nanocavity Architecture. Anal Chem 2024; 96:7651-7660. [PMID: 38690989 DOI: 10.1021/acs.analchem.4c00558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Development of molecular diagnostics for lung cancer stratification and monitoring is crucial for the rational planning and timely adjustment of treatments to improve clinical outcomes. In this regard, we propose a nanocavity architecture to sensitively profile the protein signature on small extracellular vesicles (sEVs) to enable accurate, noninvasive staging and treatment monitoring of lung cancer. The nanocavity architecture is formed by molecular recognition through the binding of sEVs with the nanobox-based core-shell surface-enhanced Raman scattering (SERS) barcodes and mirrorlike, asymmetric gold microelectrodes. By imposing an alternating current on the gold microelectrodes, a nanofluidic shear force was stimulated that supported the binding of sEVs and the efficient assembly of the nanoboxes. The binding of sEVs further induced a nanocavity between the nanobox and the gold microelectrode that significantly amplified the electromagnetic field to enable the simultaneous enhancement of Raman signals from four SERS barcodes and generate patient-specific molecular sEV signatures. Importantly, evaluated on a cohort of clinical samples (n = 76) on the nanocavity architecture, the acquired patient-specific sEV molecular signatures achieved accurate identification, stratification, and treatment monitoring of lung cancer patients, highlighting its potential for transition to clinical utility.
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Affiliation(s)
- Junrong Li
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Meiqin Li
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Alain Wuethrich
- Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Rui Guan
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Lihui Zhao
- Wuhan Pulmonary Hospital, Wuhan 430079, P. R. China
| | - Cong Hu
- Guangxi Key Laboratory of Automatic Detecting Technology and Instruments, Guilin University of Electronic Technology, Guilin 541004, P. R. China
| | - Matt Trau
- Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD 4072, Australia
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia
| | - Yao Sun
- National Key Laboratory of Green Pesticide, International Joint Research Center for Intelligent Biosensor Technology and Health, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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Pallares-Rusiñol A, Bernuz M, Moura SL, Fernández-Senac C, Rossi R, Martí M, Pividori MI. Advances in exosome analysis. Adv Clin Chem 2022; 112:69-117. [PMID: 36642486 DOI: 10.1016/bs.acc.2022.09.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
There is growing demand for novel biomarkers that detect early stage disease as well as monitor clinical management and therapeutic strategies. Exosome analysis could provide the next advance in attaining that goal. Exosomes are membrane encapsulated biologic nanometric-sized particles of endocytic origin which are released by all cell types. Unfortunately, exosomes are exceptionally challenging to characterize with current technologies. Exosomes are between 30 and 200nm in diameter, a size that makes them out of the sensitivity range to most cell-oriented sorting or analysis platforms, i.e., traditional flow cytometers. The most common methods for targeting exosomes to date typically involve purification followed by the characterization and the specific determination of their cargo. The whole procedure is time consuming, requiring thus skilled personnel as well as laboratory facilities and benchtop instrumentation. The most relevant methodology for exosome isolation, characterization and quantification is addressed in this chapter, including the most up-to-date approaches to explore the potential usefulness of exosomes as biomarkers in liquid biopsies and in advanced nanomedicine.
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Affiliation(s)
- Arnau Pallares-Rusiñol
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mireia Bernuz
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Silio Lima Moura
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Carolina Fernández-Senac
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Rosanna Rossi
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mercè Martí
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - María Isabel Pividori
- Institute of Biotechnology and Biomedicine, Universitat Autònoma de Barcelona, Bellaterra, Spain; Grup de Sensors i Biosensors, Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Spain.
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Decreased TSPAN14 Expression Contributes to NSCLC Progression. Life (Basel) 2022; 12:life12091291. [PMID: 36143328 PMCID: PMC9506201 DOI: 10.3390/life12091291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/08/2022] [Accepted: 08/18/2022] [Indexed: 11/18/2022] Open
Abstract
Tspan14 is a transmembrane protein of the tetraspanin (Tspan) protein family. Different members of the Tspan family can promote or suppress tumor progression. The exact role of Tspan14 in tumor cells is unknown. Earlier, mutational inactivation of the TSPAN14 gene has been proposed to coincide with a low survival rate in NSCLC patients. This study aimed to investigate the correlation of TSPAN14 lack of function with clinicopathological features of NSCLC patients, and to elucidate the role TSPAN14 might have in NSCLC progression. TSPAN14 expression was lower in tumor cells than non-tumor cells in NSCLC patients’ samples. The decreased gene expression was correlated with a low survival rate of patients and was more frequent in patients with aggressive, invasive tumor types. Additionally, the role of decreased TSPAN14 expression in the metastatic potential of cancer cells was confirmed in NSCLC cell lines. The highly invasive NSCLC cell line (NCI-H661) had the lowest TSPAN14 gene and protein expression, whereas the NSCLC cell line with the highest TSPAN14 expression (NCI-H460) had no significant metastatic potential. Finally, silencing of TSPAN14 in these non-metastatic cancer cells caused an increased expression of matrix-degrading enzymes MMP-2 and MMP-9, followed by an elevated capacity of cancer cells to degrade gelatin. The results of this study propose TSPAN14 expression as an indicator of NSCLC metastatic potential and progression.
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Duch P, Díaz-Valdivia N, Ikemori R, Gabasa M, Radisky ES, Arshakyan M, Gea-Sorlí S, Mateu-Bosch A, Bragado P, Carrasco JL, Mori H, Ramírez J, Teixidó C, Reguart N, Fillat C, Radisky DC, Alcaraz J. Aberrant TIMP-1 overexpression in tumor-associated fibroblasts drives tumor progression through CD63 in lung adenocarcinoma. Matrix Biol 2022; 111:207-225. [PMID: 35787446 PMCID: PMC9667815 DOI: 10.1016/j.matbio.2022.06.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 06/10/2022] [Accepted: 06/29/2022] [Indexed: 12/29/2022]
Abstract
Tissue inhibitor of metalloproteinase-1 (TIMP-1) is an important regulator of extracellular matrix turnover that has been traditionally regarded as a potential tumor suppressor owing to its inhibitory effects of matrix metalloproteinases. Intriguingly, this interpretation has been challenged by the consistent observation that increased expression of TIMP-1 is associated with poor prognosis in virtually all cancer types including lung cancer, supporting a tumor-promoting function. However, how TIMP-1 is dysregulated within the tumor microenvironment and how it drives tumor progression in lung cancer is poorly understood. We analyzed the expression of TIMP-1 and its cell surface receptor CD63 in two major lung cancer subtypes: lung adenocarcinoma (ADC) and squamous cell carcinoma (SCC), and defined the tumor-promoting effects of their interaction. We found that TIMP-1 is aberrantly overexpressed in tumor-associated fibroblasts (TAFs) in ADC compared to SCC. Mechanistically, TIMP-1 overexpression was mediated by the selective hyperactivity of the pro-fibrotic TGF-β1/SMAD3 pathway in ADC-TAFs. Likewise, CD63 was upregulated in ADC compared to SCC cells. Genetic analyses revealed that TIMP-1 secreted by TGF-β1-activated ADC-TAFs is both necessary and sufficient to enhance growth and invasion of ADC cancer cells in culture, and that tumor cell expression of CD63 was required for these effects. Consistently, in vivo analyses revealed that ADC cells co-injected with fibroblasts with reduced SMAD3 or TIMP-1 expression into immunocompromised mice attenuated tumor aggressiveness compared to tumors bearing parental fibroblasts. We also found that high TIMP1 and CD63 mRNA levels combined define a stronger prognostic biomarker than TIMP1 alone. Our results identify an excessive stromal TIMP-1 within the tumor microenvironment selectively in lung ADC, and implicate it in a novel tumor-promoting TAF-carcinoma crosstalk, thereby pointing to TIMP-1/CD63 interaction as a novel therapeutic target in lung cancer.
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Affiliation(s)
- Paula Duch
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain
| | - Natalia Díaz-Valdivia
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain
| | - Rafael Ikemori
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain
| | - Marta Gabasa
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain; Thoracic Oncology Unit, Hospital Clinic Barcelona, Barcelona 08036, Spain
| | - Evette S Radisky
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL 32224, United States
| | - Marselina Arshakyan
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain
| | - Sabrina Gea-Sorlí
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid 08029, Spain
| | - Anna Mateu-Bosch
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid 08029, Spain
| | - Paloma Bragado
- Instituto de Investigaciones Sanitarias San Carlos (IdISSC), Madrid, 28040, Spain; Departamento de Bioquímica y Biología Molecular, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Josep Lluís Carrasco
- Unit of Biostatistics, Department of Basic Clinical Practice, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona, Spain
| | - Hidetoshi Mori
- Center for Immunology and Infectious Diseases, University of California Davis, Davis, CA 95616, United States
| | - Josep Ramírez
- Thoracic Oncology Unit, Hospital Clinic Barcelona, Barcelona 08036, Spain; Pathology Service, Hospital Clínic de Barcelona, Barcelona 08036, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid 28029, Spain
| | - Cristina Teixidó
- Thoracic Oncology Unit, Hospital Clinic Barcelona, Barcelona 08036, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain; Pathology Service, Hospital Clínic de Barcelona, Barcelona 08036, Spain
| | - Noemí Reguart
- Thoracic Oncology Unit, Hospital Clinic Barcelona, Barcelona 08036, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain
| | - Cristina Fillat
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona 08036, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid 08029, Spain; Department of Medicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona, Spain
| | - Derek C Radisky
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL 32224, United States
| | - Jordi Alcaraz
- Unit of Biophysics and Bioengineering, Department of Biomedicine, School of Medicine and Health Sciences, Universitat de Barcelona, Barcelona 08036, Spain; Thoracic Oncology Unit, Hospital Clinic Barcelona, Barcelona 08036, Spain; Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute for Science and Technology (BIST), Barcelona 08028, Spain.
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Titu S, Grapa CM, Mocan T, Balacescu O, Irimie A. Tetraspanins: Physiology, Colorectal Cancer Development, and Nanomediated Applications. Cancers (Basel) 2021; 13:cancers13225662. [PMID: 34830819 PMCID: PMC8616055 DOI: 10.3390/cancers13225662] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Considering the high incidence of colorectal cancer in adults, as well as the need for identifying novel therapies, we hereby explore the role of tetraspanins in the development of colorectal cancer. We have focused on variate aspects starting from the structure and general physiology and ending with the precise mechanisms involved in the dual reported role of tetraspanins (pro–tumoral and tumor suppressor key player element). Moreover, the present review focuses on the potential of tetraspanins as a target for nanotechnology-mediated therapies, also gathering the limited attempts towards this aim and their reported data. Abstract Tetraspanins are transmembrane proteins expressed in a multitude of cells throughout the organism. They contribute to many processes that surround cell–cell interactions and are associated with the progress of some diseases, including cancer. Their crucial role in cell physiology is often understated. Furthermore, recent studies have shown their great potential in being used as targeting molecules. Data have suggested the potential of tetraspanins as a targeting vector for nanomediated distribution and delivery for colorectal cancer applications. Our aim is to provide a review on the important part that tetraspanins play in the human organism and highlight their potential use for drug delivery systems using nanotechnology.
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Affiliation(s)
- Stefan Titu
- “Iuliu Hatieganu” University of Medicine and Pharmacy, Faculty of Medicine, 400126 Cluj-Napoca, Romania; (S.T.); (C.M.G.); (A.I.)
- Department of Surgical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta” Cluj-Napoca, 400015 Cluj-Napoca, Romania
| | - Cristiana Maria Grapa
- “Iuliu Hatieganu” University of Medicine and Pharmacy, Faculty of Medicine, 400126 Cluj-Napoca, Romania; (S.T.); (C.M.G.); (A.I.)
- Nanomedicine Department, Regional Institute of Gastroenterology and Hepatology, 400126 Cluj-Napoca, Romania
| | - Teodora Mocan
- “Iuliu Hatieganu” University of Medicine and Pharmacy, Faculty of Medicine, 400126 Cluj-Napoca, Romania; (S.T.); (C.M.G.); (A.I.)
- Nanomedicine Department, Regional Institute of Gastroenterology and Hepatology, 400126 Cluj-Napoca, Romania
- Correspondence:
| | - Ovidiu Balacescu
- Department of Genetics, Genomics and Experimental Pathology, The Oncology Institute “Prof. Dr. Ion Chiricuta” Cluj-Napoca, 400015 Cluj-Napoca, Romania;
| | - Alexandru Irimie
- “Iuliu Hatieganu” University of Medicine and Pharmacy, Faculty of Medicine, 400126 Cluj-Napoca, Romania; (S.T.); (C.M.G.); (A.I.)
- Department of Surgical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta” Cluj-Napoca, 400015 Cluj-Napoca, Romania
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Koh HM, Jang BG, Kim DC. Prognostic Value of CD63 Expression in Solid Tumors: A Meta-analysis of the Literature. In Vivo 2021; 34:2209-2215. [PMID: 32871743 DOI: 10.21873/invivo.12031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 05/29/2020] [Accepted: 06/04/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND CD63 has been described as a key factor in extracellular vesicle production and endosomal cargo sorting, and there have been certain reports suggesting an association between CD63 expression and survival in patients with tumors including gastric, colon and lung cancer. However, the prognostic value of CD63 expression remains contradictory. Hence, we performed this meta-analysis to assess the prognostic value of CD63 expression in solid tumors. MATERIALS AND METHODS Eligible studies were collected by searching the PubMed, Embase and Cochrane libraries. The hazard ratio (HR) with 95% confidence interval (CI) were evaluated to reveal the association between CD63 expression and survival in solid tumors. RESULTS Five studies with a total of 1,454 patients were included. The HR evaluating CD63 expression on survival was 1.34 (95%CI=0.92-1.97, p=0.129). In subgroup analysis, the HRs of lung cancer and other tumors were 0.50 (95% CI=0.32-0.77, p=0.002) and 2.16 (95% CI=1.93-2.42, p<0.001) respectively. CD63 expression was significantly associated with poor disease-specific survival (HR=1.69, 95% CI=1.15-2.49, p=0.008), but not with disease-free survival and overall survival. Also, there was a significant association between CD63 expression with poor survival in the group of sample size more than 150 patients (HR=2.15, 95% CI=2.92-2.41, p<0.001), but not in the group of sample size with fewer than 150 patients. CONCLUSION This meta-analysis suggested that CD63 expression may be a potential prognostic marker in solid tumors.
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Affiliation(s)
- Hyun Min Koh
- Department of Pathology, Gyeongsang National University Changwon Hospital, Changwon, Republic of Korea
| | - Bo Gun Jang
- Department of Pathology, Jeju National University School of Medicine, Jeju, Republic of Korea.,Department of Pathology, Jeju National University Hospital, Jeju, Republic of Korea
| | - Dong Chul Kim
- Department of Pathology, Gyeongsang National University School of Medicine, Jinju, Republic of Korea .,Department of Pathology, Gyeongsang National University Hospital, Jinju, Republic of Korea.,Gyeongsang Institute of Health Science, Jinju, Republic of Korea
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Yu S, Chen J, Quan M, Li L, Li Y, Gao Y. CD63 negatively regulates hepatocellular carcinoma development through suppression of inflammatory cytokine-induced STAT3 activation. J Cell Mol Med 2021; 25:1024-1034. [PMID: 33277798 PMCID: PMC7812266 DOI: 10.1111/jcmm.16167] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 11/12/2020] [Accepted: 11/17/2020] [Indexed: 12/15/2022] Open
Abstract
Tetraspanin CD63 has been widely implicated in tumour progression of human malignancies. However, its role in the tumorigenesis and metastasis of hepatocellular carcinoma (HCC) remains unclear yet. In the present study, we aimed to investigate the specific function and underlying mechanisms of CD63 in HCC progression. CD63 expression in HCC tissues was detected using immunohistochemistry and quantitative real-time PCR analyses; effects of CD63 on HCC cell proliferation and migration were investigated by CCK-8 assay, colony formation assay, transwell assay and a xenograft model of nude mice. RNA-sequencing, bioinformatics analysis, dual-luciferase reporter assay and Western blot analysis were performed to explore the underlying molecular mechanisms. Results of our experiments showed that CD63 expression was frequently reduced in HCC tissues compared with adjacent normal tissues, and decreased CD63 expression was significantly associated with larger tumour size, distant site metastasis and higher tumour stages of HCC. Overexpression of CD63 inhibited HCC cell proliferation and migration, whereas knockdown of CD63 promoted these phenotypes. IL-6, IL-27 and STAT3 activity was regulated by CD63, and blockade of STAT3 activation impaired the promotive effects of CD63 knockdown on HCC cell growth and migration. Our findings identified a novel CD63-IL-6/IL-27-STAT3 axis in the development of HCC and provided a potential target for the diagnosis and treatment of this disease.
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Affiliation(s)
- Shijun Yu
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Jingde Chen
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Ming Quan
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Li Li
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Yandong Li
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
| | - Yong Gao
- Department of OncologyShanghai East HospitalTongji University School of MedicineShanghaiChina
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Triqueneaux G, Burny C, Symmons O, Janczarski S, Gruffat H, Yvert G. Cell-to-cell expression dispersion of B-cell surface proteins is linked to genetic variants in humans. Commun Biol 2020; 3:346. [PMID: 32620900 PMCID: PMC7335051 DOI: 10.1038/s42003-020-1075-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 06/12/2020] [Indexed: 01/02/2023] Open
Abstract
Variability in gene expression across a population of homogeneous cells is known to influence various biological processes. In model organisms, natural genetic variants were found that modify expression dispersion (variability at a fixed mean) but very few studies have detected such effects in humans. Here, we analyzed single-cell expression of four proteins (CD23, CD55, CD63 and CD86) across cell lines derived from individuals of the Yoruba population. Using data from over 30 million cells, we found substantial inter-individual variation of dispersion. We demonstrate, via de novo cell line generation and subcloning experiments, that this variation exceeds the variation associated with cellular immortalization. We detected a genetic association between the expression dispersion of CD63 and the rs971 SNP. Our results show that human DNA variants can have inherently-probabilistic effects on gene expression. Such subtle genetic effects may participate to phenotypic variation and disease outcome. Triqueneaux, Burny, Symmons et al. show association between gene expression noise and genotypes, using single-cell expression of four proteins across human-derived lymphoblastoid cell lines. This study suggests that very subtle regulatory effects of human DNA variants may contribute to phenotypic variation and disease outcome.
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Affiliation(s)
- Gérard Triqueneaux
- Laboratory of Biology and Modeling of the Cell, Univ Lyon, Ecole Normale Superieure de Lyon, CNRS UMR5239, Universite Claude Bernard Lyon 1, 69007, Lyon, France
| | - Claire Burny
- Laboratory of Biology and Modeling of the Cell, Univ Lyon, Ecole Normale Superieure de Lyon, CNRS UMR5239, Universite Claude Bernard Lyon 1, 69007, Lyon, France.,Institut für Populationsgenetik, Vienna Graduate School of Population Genetics, Vetmeduni Vienna, Vienna, Austria
| | - Orsolya Symmons
- Laboratory of Biology and Modeling of the Cell, Univ Lyon, Ecole Normale Superieure de Lyon, CNRS UMR5239, Universite Claude Bernard Lyon 1, 69007, Lyon, France.,Max Planck Institute for Biology of Ageing, Cologne, 50931, Germany
| | - Stéphane Janczarski
- Laboratory of Biology and Modeling of the Cell, Univ Lyon, Ecole Normale Superieure de Lyon, CNRS UMR5239, Universite Claude Bernard Lyon 1, 69007, Lyon, France
| | - Henri Gruffat
- CIRI-Centre International de Recherche en Infectiologie, Universite Claude Bernard Lyon 1, Univ Lyon, Inserm U1111, CNRS UMR5308, Ecole Normale Superieure de Lyon, 69007, Lyon, France
| | - Gaël Yvert
- Laboratory of Biology and Modeling of the Cell, Univ Lyon, Ecole Normale Superieure de Lyon, CNRS UMR5239, Universite Claude Bernard Lyon 1, 69007, Lyon, France.
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TSPAN8 as a Novel Emerging Therapeutic Target in Cancer for Monoclonal Antibody Therapy. Biomolecules 2020; 10:biom10030388. [PMID: 32138170 PMCID: PMC7175299 DOI: 10.3390/biom10030388] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 12/13/2022] Open
Abstract
Tetraspanin 8 (TSPAN8) is a member of the tetraspanin superfamily that forms TSPAN8-mediated protein complexes by interacting with themselves and other various cellular signaling molecules. These protein complexes help build tetraspanin-enriched microdomains (TEMs) that efficiently mediate intracellular signal transduction. In physiological conditions, TSPAN8 plays a vital role in the regulation of biological functions, including leukocyte trafficking, angiogenesis and wound repair. Recently, reports have increasingly shown the functional role and clinical relevance of TSPAN8 overexpression in the progression and metastasis of several cancers. In this review, we will highlight the physiological and pathophysiological roles of TSPAN8 in normal and cancer cells. Additionally, we will cover the current status of monoclonal antibodies specifically targeting TSPAN8 and the importance of TSPAN8 as an emerging therapeutic target in cancers for monoclonal antibody therapy.
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Kaprio T, Hagström J, Andersson LC, Haglund C. Tetraspanin CD63 independently predicts poor prognosis in colorectal cancer. Histol Histopathol 2020; 35:887-892. [PMID: 32073129 DOI: 10.14670/hh-18-209] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
CD63, a member of the tetraspanin family, is expressed in endosomes and enriched in exosomes. Tetraspanins participate in a variety of physiological processes, including cellular differentiation, cell-cell fusion, and cell migration. CD63 reportedly carries both protumorigenic and tumor suppressor properties, and appears to be upregulated in breast cancer, astrocytoma, and melanoma. Yet, the effect of CD63 on cancer prognosis remains unclear, and no previous reports examined it in colorectal cancer (CRC). Identifying novel biomarkers will allow us to better differentiate patients with an increased risk of recurrence and who might benefit from adjuvant therapy. We applied immunohistochemistry with antibodies to human CD63 on 620 consecutive CRC patients treated at the Helsinki University Hospital. We evaluated the associations between CD63 expression and clinicopathological parameters and patient prognosis. We found that CD63 expression associated with an advanced stage, poor differentiation, and mucinous histology. We found no association between CD63 expression and age, sex or tumor location. CD63 expression predicted an unfavorable prognosis in CRC (p=0.00001, log-rank test) and in a subgroup of patients with metastasized CRC (p=0.011). Cox's multivariate analysis identified CD63 as an independent factor predicting an unfavorable prognosis in CRC and in the subgroup with metastasized disease. We show for the first time that CD63 immunohistochemistry expression represents an independent marker of an unfavorable prognosis in CRC and associates with unfavorable clinicopathological parameters. Our results support the hypothesis that a higher tissue expression of CD63 in CRC, indicating an epithelial-to-mesenchymal transition (EMT)-associated secretory phenotype, associated with an adverse outcome.
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Affiliation(s)
- Tuomas Kaprio
- Department of Surgery, Helsinki University Central Hospital, HUS, Helsinki, Finland. .,Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland
| | - Jaana Hagström
- Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland.,Department of Pathology, Haartman Institute, University of Helsinki and HUSLAB, Helsinki, Finland
| | - Leif C Andersson
- Department of Pathology, Haartman Institute, University of Helsinki and HUSLAB, Helsinki, Finland
| | - Caj Haglund
- Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland.,Department of Surgery, Helsinki University Central Hospital, HUS, Helsinki, Finland
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Matrix Effect in the Isolation of Breast Cancer-Derived Nanovesicles by Immunomagnetic Separation and Electrochemical Immunosensing-A Comparative Study. SENSORS 2020; 20:s20040965. [PMID: 32054015 PMCID: PMC7071381 DOI: 10.3390/s20040965] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/05/2020] [Accepted: 02/06/2020] [Indexed: 01/16/2023]
Abstract
Exosomes are cell-derived nanovesicles released into biological fluids, which are involved in cell-to-cell communication. The analysis of the content and the surface of the exosomes allow conclusions about the cells they are originating from and the underlying condition, pathology or disease. Therefore, the exosomes are currently considered good candidates as biomarkers to improve the current methods for clinical diagnosis, including cancer. However, due to their low concentration, conventional procedures for exosome detection including biosensing usually require relatively large sample volumes and involve preliminary purification and preconcentration steps by ultracentrifugation. In this paper, the immunomagnetic separation is presented as an alternative method for the specific isolation of exosomes in serum. To achieve that, a rational study of the surface proteins in exosomes, which can be recognized by magnetic particles, is presented. The characterization was performed in exosomes obtained from cell culture supernatants of MCF7, MDA-MB-231 and SKBR3 breast cancer cell lines, including TEM and nanoparticle tracking analysis (NTA). For the specific characterization by flow cytometry and confocal microscopy, different commercial antibodies against selected receptors were used, including the general tetraspanins CD9, CD63 and CD81, and cancer-related receptors (CD24, CD44, CD54, CD326 and CD340). The effect of the serum matrix on the immunomagnetic separation was then carefully evaluated by spiking the exosomes in depleted human serum. Based on this study, the exosomes were preconcentrated by immunomagnetic separation on antiCD81-modified magnetic particles in order to achieve further magnetic actuation on the surface of the electrode for the electrochemical readout. The performance of this approach is discussed and compared with classical characterization methods.
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12
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Rodríguez Zorrilla S, García García A, Blanco Carrión A, Gándara Vila P, Somoza Martín M, Gallas Torreira M, Pérez Sayans M. Exosomes in head and neck cancer. Updating and revisiting. J Enzyme Inhib Med Chem 2020; 34:1641-1651. [PMID: 31496355 PMCID: PMC6746279 DOI: 10.1080/14756366.2019.1662000] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Exosomes have gone from being considered simple containers of intracellular waste substances to be considered important carriers of cellular signals. Its broad capacity to promote tumour growth, both in situ and metastatic, has greatly intensified scientific research on them. In the same way and depending on its content, its tumour suppressive properties have opened a window of light and hope in the fight against cancer. In the present review we try to gather in a simple and understandable way the most relevant knowledge to date on the role of exosomes in oral squamous cell carcinoma, helping to understand their process of formation, release and activity on the tumour microenvironment.
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Affiliation(s)
- Samuel Rodríguez Zorrilla
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Abel García García
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS) , Santiago de Compostela , Spain
| | - Andrés Blanco Carrión
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Pilar Gándara Vila
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Manuel Somoza Martín
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Mercedes Gallas Torreira
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, University of Santiago de Compostela , Santiago de Compostela , Spain
| | - Mario Pérez Sayans
- Oral Surgery and Implantology Unit, School of Medicine and Dentistry, Instituto de Investigación Sanitaria de Santiago (IDIS) , Santiago de Compostela , Spain
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13
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Sahm A, Almaida-Pagán P, Bens M, Mutalipassi M, Lucas-Sánchez A, de Costa Ruiz J, Görlach M, Cellerino A. Analysis of the coding sequences of clownfish reveals molecular convergence in the evolution of lifespan. BMC Evol Biol 2019; 19:89. [PMID: 30975078 PMCID: PMC6460853 DOI: 10.1186/s12862-019-1409-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 03/10/2019] [Indexed: 01/12/2023] Open
Abstract
Background Standard evolutionary theories of aging postulate that reduced extrinsic mortality leads to evolution of longevity. Clownfishes of the genus Amphiprion live in a symbiotic relationship with sea anemones that provide protection from predators. We performed a survey and identified at least two species with a lifespan of over 20 years. Given their small size and ease of captive reproduction, clownfish lend themselves as experimental models of exceptional longevity. To identify genetic correlates of exceptional longevity, we sequenced the transcriptomes of Amphiprion percula and A. clarkii and performed a scan for positively-selected genes (PSGs). Results The PSGs that we identified in the last common clownfish ancestor were compared with PSGs detected in long-lived mole rats and short-lived killifishes revealing convergent evolution in processes such as mitochondrial biogenesis. Among individual genes, the Mitochondrial Transcription Termination Factor 1 (MTERF1), was positively-selected in all three clades, whereas the Glutathione S-Transferase Kappa 1 (GSTK1) was under positive selection in two independent clades. For the latter, homology modelling strongly suggested that positive selection targeted enzymatically important residues. Conclusions These results indicate that specific pathways were recruited in independent lineages evolving an exceptionally extended or shortened lifespan and point to mito-nuclear balance as a key factor. Electronic supplementary material The online version of this article (10.1186/s12862-019-1409-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Arne Sahm
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | | | - Martin Bens
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | | | | | | | - Matthias Görlach
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany
| | - Alessandro Cellerino
- Leibniz Institute on Aging, Fritz Lipmann Institute, Jena, Germany. .,Bio@SNS, Scuola Normale Superiore, Pisa, Italy.
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14
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Meng Y, Sun J, Wang X, Hu T, Ma Y, Kong C, Piao H, Yu T, Zhang G. Exosomes: A Promising Avenue for the Diagnosis of Breast Cancer. Technol Cancer Res Treat 2019; 18:1533033818821421. [PMID: 30760122 PMCID: PMC6373987 DOI: 10.1177/1533033818821421] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 09/01/2018] [Accepted: 11/16/2018] [Indexed: 12/11/2022] Open
Abstract
Currently, despite the advances in individualized treatment, breast cancer still remains the deadliest form of cancer in women. Diagnostic, prognostic, and therapy-predictive methods are mainly based on the evaluation of tumor tissue samples and are aimed to improve the overall therapeutic level. Therefore, the exploration of a series of circulating biomarkers, which serve as the information source of tumors and could be obtained by peripheral blood samples, represents a high field of interest. Apart from classical biomarkers, exosomes, which are nanovesicles, are emerging as an accessible and efficient source of cell information. The purpose of this review is to summarize the peculiarities of the presently available breast cancer exosomal biomarkers; the review also provides the prediction of a multitude of potential target genes of exosomal microRNAs using 4 databases.
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Affiliation(s)
- Yiming Meng
- Central laboratory, Cancer Hospital of China Medical University, Shenyang, China
| | - Jing Sun
- Central laboratory, Cancer Hospital of China Medical University, Shenyang, China
| | - Xiaonan Wang
- Department of Immunology, China Medical University, Shenyang, China
| | - Tingting Hu
- Department of Blood Bank, Cancer Hospital of China Medical University, Shenyang, China
| | - Yushu Ma
- Central laboratory, Cancer Hospital of China Medical University, Shenyang, China
| | - Cuicui Kong
- Central laboratory, Cancer Hospital of China Medical University, Shenyang, China
| | - Haozhe Piao
- Department of Medical Image, Cancer Hospital of China Medical University, Shenyang, China
| | - Tao Yu
- Department of Neurosurgery, Cancer Hospital of China Medical University, Shenyang, China
| | - Guirong Zhang
- Central laboratory, Cancer Hospital of China Medical University, Shenyang, China
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15
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Liu WH, Li X, Zhu XL, Hou ML, Zhao W. CD63 inhibits the cell migration and invasion ability of tongue squamous cell carcinoma. Oncol Lett 2018; 15:9033-9042. [PMID: 29844819 PMCID: PMC5958804 DOI: 10.3892/ol.2018.8499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 02/19/2018] [Indexed: 12/21/2022] Open
Abstract
The present study evaluated the expression and potential role of CD63 in the migration and invasion of tongue squamous cell carcinoma (TSCC) cells. Immunohistochemistry (IHC) was used to investigate the association between the expression level of CD63 protein and the histological differentiation of samples from 40 patients with TSCC and four normal tongue tissue specimens. RNA interference (RNAi) and gene transfection technology were used to alter the expression of CD63 in TCA8113 cells. The stable silencing and overexpression of CD63 in the TCA8113 cell line was used to assess the impact of the CD63 expression level on the migratory and invasive abilities of TCA8113 cells in a wound healing assay and a Transwell invasion assay. The effect of CD63 on the expression of matrix metalloproteinase (MMP)-2 and −9 were evaluated by western blot analysis. The results of IHC revealed a positive association between the CD63 expression level and the histopathological differentiation of TSCC and a negative association between the CD63 expression level and lymph node metastasis in TSCC. Western blotting revealed that the expressions of MMP-2 and MMP-9 were clearly upregulated in CD63-silenced TCA8113 cells but reduced in CD63-overexpressing TCA8113 cells, compared with the control. The wound-healing speed and the number of cells invading Matrigel-coated filters were negatively associated with the CD63 expression level. In summary, the results of the present study revealed that CD63 may be an inhibitor of TSCC malignancy and lymph node metastasis and may have applications in the prediction of prognosis and gene therapy for patients of TSCC.
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Affiliation(s)
- Wen-Hui Liu
- School of Basic Medical Sciences, Jinzhou Medical University, Jinzhou, Liaoning 121200, P.R. China.,Department of Dentistry, Affiliated Hospital of Shaoxing University, Shaoxing, Zhejiang 312000, P.R. China
| | - Xin Li
- Department of Prosthodontics, Second Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121200, P.R. China
| | - Xin-Ling Zhu
- Department of Periodontology, Beijing Stomatological Hospital Capital Medical University, Beijing 100050, P.R. China
| | - Mei-Ling Hou
- School of Basic Medical Sciences, Jinzhou Medical University, Jinzhou, Liaoning 121200, P.R. China
| | - Wei Zhao
- School of Basic Medical Sciences, Jinzhou Medical University, Jinzhou, Liaoning 121200, P.R. China
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16
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Aaberg-Jessen C, Sørensen MD, Matos ALSA, Moreira JM, Brünner N, Knudsen A, Kristensen BW. Co-expression of TIMP-1 and its cell surface binding partner CD63 in glioblastomas. BMC Cancer 2018. [PMID: 29523123 PMCID: PMC5845145 DOI: 10.1186/s12885-018-4179-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background We have previously identified tissue inhibitor of metalloproteinases-1 (TIMP-1) as a prognostic marker in glioblastomas. TIMP-1 has been associated with chemotherapy resistance, and CD63, a known TIMP-1-binding protein, has been suggested to be responsible for this effect. The aim of this study was to assess CD63 expression in astrocytomas focusing on the prognostic potential of CD63 alone and in combination with TIMP-1. Methods CD63 expression was investigated immunohistochemically in a cohort of 111 astrocytomas and correlated to tumor grade and overall survival by semi-quantitative scoring. CD63 expression in tumor-associated microglia/macrophages was examined by double-immunofluorescence with ionized calcium-binding adapter molecule 1 (Iba1). The association between CD63 and TIMP-1 was investigated using previously obtained TIMP-1 data from our astrocytoma cohort. Cellular co-expression of TIMP-1 and CD63 as well as TIMP-1 and the tumor stem cell-related markers CD133 and Sox2 was investigated with immunofluorescence. TIMP-1 and CD63 protein interaction was detected by an oligonucleotide-based proximity ligation assay and verified using co-immunoprecipitation. Results The expression of CD63 was widely distributed in astrocytomas with a significantly increased level in glioblastomas. CD63 levels did not significantly correlate with patient survival at a protein level, and CD63 did not augment the prognostic significance of TIMP-1. Up to 38% of the CD63+ cells expressed Iba1; however, Iba1 did not appear to impact the prognostic value of CD63. A significant correlation was found between TIMP-1 and CD63, and the TIMP-1 and CD63 proteins were co-expressed at the cellular level and located in close molecular proximity, suggesting that TIMP-1 and CD63 could be co-players in glioblastomas. Some TIMP-1+ cells expressed CD133 and Sox2. Conclusion The present study suggests that CD63 is highly expressed in glioblastomas and that TIMP-1 and CD63 interact. CD63 does not add to the prognostic value of TIMP-1. Co-expression of TIMP-1 and stem cell markers as well as the wide expression of CD63 might suggest a role for TIMP-1 and CD63 in glioblastoma stemness. Electronic supplementary material The online version of this article (10.1186/s12885-018-4179-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Charlotte Aaberg-Jessen
- Department of Pathology, Odense University Hospital, J.B. Winsloews Vej 15, 5000, Odense, Denmark.,Department of Nuclear Medicine, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense, Denmark
| | - Mia D Sørensen
- Department of Pathology, Odense University Hospital, J.B. Winsloews Vej 15, 5000, Odense, Denmark. .,Department of Clinical Research, University of Southern Denmark, J.B. Winsloews Vej 19, 5000, Odense, Denmark.
| | - Ana L S A Matos
- Cancer Research Group, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Strandboulevarden 49, 2100, Copenhagen, Denmark
| | - José M Moreira
- Cancer Research Group, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Strandboulevarden 49, 2100, Copenhagen, Denmark
| | - Nils Brünner
- Cancer Research Group, Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Strandboulevarden 49, 2100, Copenhagen, Denmark
| | - Arnon Knudsen
- Department of Pathology, Odense University Hospital, J.B. Winsloews Vej 15, 5000, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, J.B. Winsloews Vej 19, 5000, Odense, Denmark
| | - Bjarne W Kristensen
- Department of Pathology, Odense University Hospital, J.B. Winsloews Vej 15, 5000, Odense, Denmark.,Department of Clinical Research, University of Southern Denmark, J.B. Winsloews Vej 19, 5000, Odense, Denmark
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17
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Yeo JC, Kenry, Zhao Z, Zhang P, Wang Z, Lim CT. Label-free extraction of extracellular vesicles using centrifugal microfluidics. BIOMICROFLUIDICS 2018; 12:024103. [PMID: 30867854 PMCID: PMC6404916 DOI: 10.1063/1.5019983] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 01/30/2018] [Indexed: 08/13/2023]
Abstract
Extracellular vesicles (EVs) play an important role as active messengers in intercellular communication and distant microenvironment modeling. Increasingly, these EVs are recognized as important biomarkers for clinical diagnostics. However, current isolation methods of EVs are time-consuming and ineffective due to the high diffusive characteristics of nanoparticles coupled with fluid flow instability. Here, we develop a microfluidic CEntrifugal Nanoparticles Separation and Extraction (µCENSE) platform for the rapid and label-free isolation of microvesicles. By utilizing centrifugal microhydrodynamics, we subject the nanosuspensions between 100 nm and 1000 nm to a unique fluid flow resulting in a zonal separation into different outlets for easy post-processing. Our centrifugal platform utilizes a gentle and efficient size-based separation without the requirements of syringe pump and other accessories. Based on our results, we report a high separation efficiency of 90% and an extraction purity of 85% within a single platform. Importantly, we demonstrate high EV extraction using a table top centrifuge within a short duration of eight minutes. The simple processes and the small volume requirement further enhance the utility of the platform. With this platform, it serves as a potential for liquid biopsy extraction and point-of-care diagnostics.
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Affiliation(s)
| | - Kenry
- Department of Biomedical Engineering, National University of Singapore, Singapore 117583
| | - Zhihai Zhao
- Mechanobiology Institute, National University of Singapore, Singapore 117411
| | - Pan Zhang
- Department of Biomedical Engineering, National University of Singapore, Singapore 117583
| | - Zhiping Wang
- Singapore Institute of Manufacturing Technology, A*STAR, Singapore 138634
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18
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Lai X, Gu Q, Zhou X, Feng W, Lin X, He Y, Cao J, Liu P, Zhang H, Zheng X. Decreased expression of CD63 tetraspanin protein predicts elevated malignant potential in human esophageal cancer. Oncol Lett 2017; 13:4245-4251. [PMID: 28599425 PMCID: PMC5453118 DOI: 10.3892/ol.2017.6023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Accepted: 02/13/2017] [Indexed: 01/03/2023] Open
Abstract
The tetraspanin CD63 has been described to have critical roles in multiple biological processes, including tumorigenesis and metastasis in several types of cancer. However, its role in esophageal carcinoma (EC) has not been reported. In the current study, immunohistochemistry was used to investigate CD63 expression in 106 esophageal cancer samples, 49 adjacent esophagus tissues and 17 normal esophagus mucosa tissues. The results revealed that the overexpression of CD63 was observed in esophageal cancer samples and negatively correlated with tumor stage and lymph node metastasis. To further evaluate the role of CD63 in esophageal carcinoma, the invasiveness of EC cells was analyzed using matrigel invasion assays and wound healing assays in vitro. Furthermore, it was found that CD63 knockdown increased the invasiveness of TE-1 cells through the upregulation of matrix metalloproteinase (MMP) expression via promoting epithelial-mesenchymal transition. The current data therefore suggested that low levels of CD63 expression may be involved in the tumor progression of esophageal carcinoma.
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Affiliation(s)
- Xiaojing Lai
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
| | - Qing Gu
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
| | - Xia Zhou
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
| | - Wei Feng
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
| | - Xiao Lin
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
| | - Yan He
- School of Radiation Medicine and Protection and Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Soochow, Suzhou 215123, P.R. China
| | - Jinming Cao
- School of Radiation Medicine and Protection and Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Soochow, Suzhou 215123, P.R. China
| | - Pengfei Liu
- Department of Gastroenterology, The Affiliated Jiangyin Hospital of Southeast University, Jiangyin, Jiangsu 214400, P.R. China
| | - Huojun Zhang
- Department of Radiation Oncology, Shanghai Changhai Hospital, The Second Military Medical University, Shanghai 200433, P.R. China
| | - Xiao Zheng
- Department of Radiation Oncology, Zhejiang Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology (Lung and Esophagus), Zhejiang Cancer Hospital (Zhejiang Cancer Research Institute), Hangzhou, Zhejiang 310022, P.R. China
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19
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Hurwitz SN, Conlon MM, Rider MA, Brownstein NC, Meckes DG. Nanoparticle analysis sheds budding insights into genetic drivers of extracellular vesicle biogenesis. J Extracell Vesicles 2016; 5:31295. [PMID: 27421995 PMCID: PMC4947197 DOI: 10.3402/jev.v5.31295] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/02/2016] [Accepted: 06/07/2016] [Indexed: 01/22/2023] Open
Abstract
Background Extracellular vesicles (EVs) are important mediators of cell-to-cell communication in healthy and pathological environments. Because EVs are present in a variety of biological fluids and contain molecular signatures of their cell or tissue of origin, they have great diagnostic and prognostic value. The ability of EVs to deliver biologically active proteins, RNAs and lipids to cells has generated interest in developing novel therapeutics. Despite their potential medical use, many of the mechanisms underlying EV biogenesis and secretion remain unknown. Methods Here, we characterized vesicle secretion across the NCI-60 panel of human cancer cells by nanoparticle tracking analysis. Using CellMiner, the quantity of EVs secreted by each cell line was compared to reference transcriptomics data to identify gene products associated with vesicle secretion. Results Gene products positively associated with the quantity of exosomal-sized vesicles included vesicular trafficking classes of proteins with Rab GTPase function and sphingolipid metabolism. Positive correlates of larger microvesicle-sized vesicle secretion included gene products involved in cytoskeletal dynamics and exocytosis, as well as Rab GTPase activation. One of the identified targets, CD63, was further evaluated for its role in vesicle secretion. Clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 knockout of the CD63 gene in HEK293 cells resulted in a decrease in small vesicle secretion, suggesting the importance of CD63 in exosome biogenesis. Conclusion These observations reveal new insights into genes involved in exosome and microvesicle formation, and may provide a means to distinguish EV sub-populations. This study offers a foundation for further exploration of targets involved in EV biogenesis and secretion.
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Affiliation(s)
- Stephanie N Hurwitz
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA
| | - Meghan M Conlon
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA
| | - Mark A Rider
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA
| | - Naomi C Brownstein
- Department of Behavioral Sciences and Social Medicine, Florida State University College of Medicine, Tallahassee, FL, USA
| | - David G Meckes
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA;
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Yang YG, Sari IN, Zia MF, Lee SR, Song SJ, Kwon HY. Tetraspanins: Spanning from solid tumors to hematologic malignancies. Exp Hematol 2016; 44:322-8. [DOI: 10.1016/j.exphem.2016.02.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 02/11/2016] [Accepted: 02/13/2016] [Indexed: 02/06/2023]
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21
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Breast Cancer-Derived Extracellular Vesicles: Characterization and Contribution to the Metastatic Phenotype. BIOMED RESEARCH INTERNATIONAL 2015; 2015:634865. [PMID: 26601108 PMCID: PMC4639645 DOI: 10.1155/2015/634865] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 09/24/2015] [Accepted: 10/04/2015] [Indexed: 12/21/2022]
Abstract
The study of extracellular vesicles (EVs) in cancer progression is a complex and rapidly evolving field. Whole categories of cellular interactions in cancer which were originally presumed to be due solely to soluble secreted molecules have now evolved to include membrane-enclosed extracellular vesicles (EVs), which include both exosomes and shed microvesicles (MVs), and can contain many of the same molecules as those secreted in soluble form but many different molecules as well. EVs released by cancer cells can transfer mRNA, miRNA, and proteins to different recipient cells within the tumor microenvironment, in both an autocrine and paracrine manner, causing a significant impact on signaling pathways, mRNA transcription, and protein expression. The transfer of EVs to target cells, in turn, supports cancer growth, immunosuppression, and metastasis formation. This review focuses exclusively on breast cancer EVs with an emphasis on breast cancer-derived exosomes, keeping in mind that breast cancer-derived EVs share some common physical properties with EVs of other cancers.
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22
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Skaar K, Korza HJ, Tarry M, Sekyrova P, Högbom M. Expression and Subcellular Distribution of GFP-Tagged Human Tetraspanin Proteins in Saccharomyces cerevisiae. PLoS One 2015. [PMID: 26218426 PMCID: PMC4517926 DOI: 10.1371/journal.pone.0134041] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Tetraspanins are integral membrane proteins that function as organizers of multimolecular complexes and modulate function of associated proteins. Mammalian genomes encode approximately 30 different members of this family and remotely related eukaryotic species also contain conserved tetraspanin homologs. Tetraspanins are involved in a number of fundamental processes such as regulation of cell migration, fusion, immunity and signaling. Moreover, they are implied in numerous pathological states including mental disorders, infectious diseases or cancer. Despite the great interest in tetraspanins, the structural and biochemical basis of their activity is still largely unknown. A major bottleneck lies in the difficulty of obtaining stable and homogeneous protein samples in large quantities. Here we report expression screening of 15 members of the human tetraspanin superfamily and successful protocols for the production in S. cerevisiae of a subset of tetraspanins involved in human cancer development. We have demonstrated the subcellular localization of overexpressed tetraspanin-green fluorescent protein fusion proteins in S. cerevisiae and found that despite being mislocalized, the fusion proteins are not degraded. The recombinantly produced tetraspanins are dispersed within the endoplasmic reticulum membranes or localized in granule-like structures in yeast cells. The recombinantly produced tetraspanins can be extracted from the membrane fraction and purified with detergents or the poly (styrene-co-maleic acid) polymer technique for use in further biochemical or biophysical studies.
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Affiliation(s)
- Karin Skaar
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Henryk J. Korza
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Michael Tarry
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Petra Sekyrova
- Department of Pharmacology and Physiology, Karolinska Institutet, Stockholm, Sweden
- Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Martin Högbom
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
- * E-mail:
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23
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Detchokul S, Williams ED, Parker MW, Frauman AG. Tetraspanins as regulators of the tumour microenvironment: implications for metastasis and therapeutic strategies. Br J Pharmacol 2015; 171:5462-90. [PMID: 23731188 DOI: 10.1111/bph.12260] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/16/2013] [Accepted: 05/16/2013] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED One of the hallmarks of cancer is the ability to activate invasion and metastasis. Cancer morbidity and mortality are largely related to the spread of the primary, localized tumour to adjacent and distant sites. Appropriate management and treatment decisions based on predicting metastatic disease at the time of diagnosis is thus crucial, which supports better understanding of the metastatic process. There are components of metastasis that are common to all primary tumours: dissociation from the primary tumour mass, reorganization/remodelling of extracellular matrix, cell migration, recognition and movement through endothelial cells and the vascular circulation and lodgement and proliferation within ectopic stroma. One of the key and initial events is the increased ability of cancer cells to move, escaping the regulation of normal physiological control. The cellular cytoskeleton plays an important role in cancer cell motility and active cytoskeletal rearrangement can result in metastatic disease. This active change in cytoskeletal dynamics results in manipulation of plasma membrane and cellular balance between cellular adhesion and motility which in turn determines cancer cell movement. Members of the tetraspanin family of proteins play important roles in regulation of cancer cell migration and cancer-endothelial cell interactions, which are critical for cancer invasion and metastasis. Their involvements in active cytoskeletal dynamics, cancer metastasis and potential clinical application will be discussed in this review. In particular, the tetraspanin member, CD151, is highlighted for its major role in cancer invasion and metastasis. LINKED ARTICLES This article is part of a themed section on Cytoskeleton, Extracellular Matrix, Cell Migration, Wound Healing and Related Topics. To view the other articles in this section visit http://dx.doi.org/10.1111/bph.2014.171.issue-24.
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Affiliation(s)
- S Detchokul
- Clinical Pharmacology and Therapeutics Unit, Department of Medicine (Austin Health/Northern Health), The University of Melbourne, Heidelberg, Vic., Australia
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24
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Seubert B, Cui H, Simonavicius N, Honert K, Schäfer S, Reuning U, Heikenwalder M, Mari B, Krüger A. Tetraspanin CD63 acts as a pro-metastatic factor via β-catenin stabilization. Int J Cancer 2014; 136:2304-15. [PMID: 25354204 DOI: 10.1002/ijc.29296] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 10/16/2014] [Indexed: 01/03/2023]
Abstract
The tetraspanin CD63 is implicated in pro-metastatic signaling pathways but, so far, it is unclear, how CD63 levels affect the tumor cell phenotype. Here, we investigated the effect of CD63 modulation in different metastatic tumor cell lines. In vitro, knock down of CD63 induced a more epithelial-like phenotype concomitant with increased E-cadherin expression, downregulation of its repressors Slug and Zeb1, and decreased N-cadherin. In addition, β-catenin protein was markedly reduced, negatively affecting expression of the target genes MMP-2 and PAI-1. β-catenin inhibitors mimicked the epithelial phenotype induced by CD63 knock down. Inhibition of β-catenin upstream regulators PI3K/AKT or GSK3β could rescue the mesenchymal phenotype underlining the importance of the β-catenin pathway in CD63-regulated cell plasticity. CD63 knock down-induced phenotypical changes correlated with a decrease of experimental metastasis whereas CD63 overexpression enhanced the tumor cell-intrinsic metastatic potential. Taken together, our data show that CD63 is a crucial player in the regulation of the tumor cell-intrinsic metastatic potential by affecting cell plasticity.
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Affiliation(s)
- Bastian Seubert
- Institute for Experimental Oncology and Therapy Research and Institute of Molecular Immunology, Klinikum rechts der Isar der Technische Universität München, München, Germany
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25
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He M, Crow J, Roth M, Zeng Y, Godwin AK. Integrated immunoisolation and protein analysis of circulating exosomes using microfluidic technology. LAB ON A CHIP 2014; 14:3773-80. [PMID: 25099143 PMCID: PMC4161194 DOI: 10.1039/c4lc00662c] [Citation(s) in RCA: 343] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 07/18/2014] [Indexed: 05/02/2023]
Abstract
Developing blood-based tests is appealing for non-invasive disease diagnosis, especially when biopsy is difficult, costly, and sometimes not even an option. Tumor-derived exosomes have attracted increasing interest in non-invasive cancer diagnosis and monitoring of treatment response. However, the biology and clinical value of exosomes remains largely unknown due in part to current technical challenges in rapid isolation, molecular classification and comprehensive analysis of exosomes. Here we developed a new microfluidic approach to streamline and expedite the exosome analysis pipeline by integrating specific immunoisolation and targeted protein analysis of circulating exosomes. Compared to the conventional methods, our approach enables selective subpopulation isolation and quantitative detection of surface and intravesicular biomarkers directly from a minimally invasive amount of plasma samples (30 μL) within ~100 min with markedly improved detection sensitivity. Using this device, we demonstrated phenotyping of exosome subpopulations by targeting a panel of common exosomal and tumor-specific markers and multiparameter analyses of intravesicular biomarkers in the selected subpopulation. We were able to assess the total expression and phosphorylation levels of IGF-1R in non-small-cell lung cancer patients by probing plasma exosomes as a non-invasive alternative to conventional tissue biopsy. We foresee that the microfluidic exosome analysis platform will form the basis for critically needed infrastructures for advancing the biology and clinical utilization of exosomes.
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Affiliation(s)
- Mei He
- Department of Pathology and Laboratory Medicine , University of Kansas Medical Center , Kansas City , KS 66160 , USA . ; Fax: +1 (913) 945 6373 ; Tel: +1 (913) 945 6327
| | - Jennifer Crow
- Department of Pathology and Laboratory Medicine , University of Kansas Medical Center , Kansas City , KS 66160 , USA . ; Fax: +1 (913) 945 6373 ; Tel: +1 (913) 945 6327
| | - Marc Roth
- Department of Pathology and Laboratory Medicine , University of Kansas Medical Center , Kansas City , KS 66160 , USA . ; Fax: +1 (913) 945 6373 ; Tel: +1 (913) 945 6327
| | - Yong Zeng
- Department of Chemistry , Ralph N Adams Institute for Bioanalytical Chemistry , and Bioengineering Graduate Program , University of Kansas , Lawrence , KS 66045 , USA . ; Fax: +1 (785) 864 5396 ; Tel: +1 (785) 864 8105
| | - Andrew K. Godwin
- Department of Pathology and Laboratory Medicine , University of Kansas Medical Center , Kansas City , KS 66160 , USA . ; Fax: +1 (913) 945 6373 ; Tel: +1 (913) 945 6327
- University of Kansas Cancer Center , Kansas City , KS 66160 , USA
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Murray E, Hernychová L, Scigelova M, Ho J, Nekulova M, O’Neill JR, Nenutil R, Vesely K, Dundas SR, Dhaliwal C, Henderson H, Hayward RL, Salter DM, Vojtěšek B, Hupp TR. Quantitative Proteomic Profiling of Pleomorphic Human Sarcoma Identifies CLIC1 as a Dominant Pro-Oncogenic Receptor Expressed in Diverse Sarcoma Types. J Proteome Res 2014; 13:2543-59. [DOI: 10.1021/pr4010713] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Euan Murray
- University of Edinburgh, Institute of Genetics and
Molecular Medicine, Edinburgh Cancer Research Centre, South Crewe Road, Edinburgh EH4 2XR, United Kingdom
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
| | - Lenka Hernychová
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
| | - Michaela Scigelova
- Thermo Fisher Scientific, Hanna-Kunath-Strasse
11, 28199 Bremen, Germany
| | - Jenny Ho
- Thermo Fisher Scientific, 1
Boundary Park, Hemel Hempstead HP2 7GE, United Kingdom
| | - Marta Nekulova
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
| | - John Robert O’Neill
- University of Edinburgh, Institute of Genetics and
Molecular Medicine, Edinburgh Cancer Research Centre, South Crewe Road, Edinburgh EH4 2XR, United Kingdom
| | - Rudolf Nenutil
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
| | - Karel Vesely
- Masaryk University and St. Annés University Hospital, First Department of Pathological Anatomy, Pekařská 53, 656 91 Brno, Czech Republic
| | - Sinclair R. Dundas
- Department
of Pathology, University of Aberdeen, University Medical Buildings, Foresterhill, Aberdeen AB25 2ZD, United Kingdom
| | - Catharine Dhaliwal
- Department
of Pathology, Royal Infirmary of Edinburgh, 49 Little France Crescent, Edinburgh EH16 4SA, United Kingdom
| | - Hannah Henderson
- Department
of Pathology, Royal Infirmary of Edinburgh, 49 Little France Crescent, Edinburgh EH16 4SA, United Kingdom
| | - Richard L. Hayward
- University of Edinburgh, Institute of Genetics and
Molecular Medicine, Edinburgh Cancer Research Centre, South Crewe Road, Edinburgh EH4 2XR, United Kingdom
| | - Donald M. Salter
- University of Edinburgh, Institute of Genetics and
Molecular Medicine, Edinburgh Cancer Research Centre, South Crewe Road, Edinburgh EH4 2XR, United Kingdom
| | - Bořivoj Vojtěšek
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
| | - Ted R. Hupp
- University of Edinburgh, Institute of Genetics and
Molecular Medicine, Edinburgh Cancer Research Centre, South Crewe Road, Edinburgh EH4 2XR, United Kingdom
- RECAMO, Masaryk Memorial Cancer Institute, Žlutý kopec 7, 656 53 Brno, Czech Republic
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Yoshioka Y, Konishi Y, Kosaka N, Katsuda T, Kato T, Ochiya T. Comparative marker analysis of extracellular vesicles in different human cancer types. J Extracell Vesicles 2013; 2:20424. [PMID: 24009892 PMCID: PMC3760642 DOI: 10.3402/jev.v2i0.20424] [Citation(s) in RCA: 280] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2013] [Revised: 05/09/2013] [Accepted: 05/09/2013] [Indexed: 12/31/2022] Open
Abstract
Several cell types, including tumour cells, secrete extracellular vesicles (EVs), and tumour-derived EVs play a role in cancer initiation and progression. These vesicles include both a common set of membrane and cytosolic proteins and origin-specific subsets of proteins that likely correlated to cell type–associated functions. To confirm the presence of EVs in the preparations, researchers have identified so-called EV marker proteins, including the tetraspanin family proteins and such cytosolic proteins as heat shock 70 kDa protein 4 (HSP70) and tumour susceptibility gene 101 (TSG101). However, studies have shown that some EV markers are not always present in all EVs, which not only complicates the identification of EVs but also precludes the quantitative evaluation of EV proteins. Thus, it is strongly required to explore well-conserved EV marker proteins that are present at similar levels, regardless of their tissue or cellular origin. In this study, we compared the presence of 11 well-known EV marker proteins by immunoblotting using EVs isolated from 4 human prostate cell lines and 5 human breast cell lines, including cancer cells with different phenotypes. We found that all the tested EVs were positive for CD9 and CD81, with similar abundance that was irrespective of the EV origin. In contrast, other EV marker proteins, such as TSG101, Rab-5b and CD63, were detected in an inconsistent manner, depending on the origin of the EVs. Thus, we propose that the detection of CD9 and/or CD81 should ensure the presence of EVs.
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Affiliation(s)
- Yusuke Yoshioka
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan ; Department of Integrative Bioscience and Biomedical Engineering, Graduate School of Science and Engineering, Waseda University, Tokyo, Japan ; Japan Society for the Promotion of Science (JSPS), Tokyo, Japan
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28
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Comparative studies on glycoproteins expressing polylactosamine-type N-glycans in cancer cells. J Pharm Biomed Anal 2012; 70:718-26. [PMID: 22795310 DOI: 10.1016/j.jpba.2012.06.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 06/21/2012] [Accepted: 06/25/2012] [Indexed: 01/25/2023]
Abstract
In the series of our previous reports, we showed that some cancer cell lines specifically express polylactosamine-type N-glycans and such glycans were often modified with fucose and sulfate residues. To confirm the proteins expressing these glycans, glycopeptide mixture obtained by digestion of whole protein fractions with trypsin was captured by a polylactosamine-specific lectin, Datura strasmonium agglutinin (DSA). And the peptides and glycans of the captured glycopeptides after digestion with N-glycoamidase F were extensively analyzed by HPLC and MS techniques. We found that some glycoproteins such as CD107a and CD107b commonly contained polylactosamine-type glycans in all the examined cancer cells. But integrin-α5 (CD49e) and carcinoembryonic antigen-related cell adhesion molecule 5 (CD66e) having these glycans were specifically found in U937 (human T-lymphoma) and MKN45 (human gastric cancer) cells, respectively. These data clearly indicate that specific glycans attached to specific proteins will be promising markers for specific tumors with high accuracy.
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Tetraspanins and tumor progression. Clin Exp Metastasis 2010; 28:261-70. [DOI: 10.1007/s10585-010-9365-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2010] [Accepted: 11/30/2010] [Indexed: 02/07/2023]
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Pols MS, Klumperman J. Trafficking and function of the tetraspanin CD63. Exp Cell Res 2008; 315:1584-92. [PMID: 18930046 DOI: 10.1016/j.yexcr.2008.09.020] [Citation(s) in RCA: 527] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2008] [Accepted: 09/23/2008] [Indexed: 02/07/2023]
Abstract
Tetraspanins comprise a large superfamily of cell surface-associated membrane proteins characterized by four transmembrane domains. They participate in a variety of cellular processes, like cell activation, adhesion, differentiation and tumour invasion. At the cell surface, tetraspanins form networks with a wide diversity of proteins called tetraspanin-enriched microdomains (TEMs). CD63 was the first characterized tetraspanin. In addition to its presence in TEMs, CD63 is also abundantly present in late endosomes and lysosomes. CD63 at the cell surface is endocytosed via a clathrin-dependent pathway, although recent studies suggest the involvement of other pathways as well and we here present evidence for a role of caveolae in CD63 endocytosis. In late endosomes, CD63 is enriched on the intraluminal vesicles, which by specialized cells are secreted as exosomes through fusion of endosomes with the plasma membrane. The complex localization pattern of CD63 suggests that its intracellular trafficking and distribution must be tightly regulated. In this review we discuss the latest insights in CD63 trafficking and its emerging function as a transport regulator of its interaction partners. Finally, the involvement of CD63 in cancer will be discussed.
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Affiliation(s)
- Maaike S Pols
- Cell Microscopy Center, Department of Cell Biology and Institute of Biomembranes, University Medical Center Utrecht, Heidelberglaan 100, 3584CX Utrecht, The Netherlands
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Shin SH, Kim HS, Jung SH, Xu HD, Jeong YB, Chung YJ. Implication of leucyl-tRNA synthetase 1 (LARS1) over-expression in growth and migration of lung cancer cells detected by siRNA targeted knock-down analysis. Exp Mol Med 2008; 40:229-36. [PMID: 18446061 DOI: 10.3858/emm.2008.40.2.229] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Molecular mechanism of lung carcinogenesis and its aggressive nature is still largely elusive. To uncover the biomarkers related with tumorigenesis and behavior of lung cancer, we screened novel differentially expressed genes (DEG) in A549 lung cancer cell line by comparison with CCD-25Lu, normal pulmonary epithelial cell line, using annealing control primer(ACP)-based GeneFishing system. Of the DEGs, over-expression of leucyl-tRNA synthetase 1 (LARS1) was prominent and this up-regulation was confirmed by immunoblotting and real-time quantitative RT-PCR analysis. In addition to A549 cell line, primary lung cancer tissues also expressed higher level of LARS1 mRNA than their normal counter tissues. To explore the oncogenic potential of LARS1 over-expression in lung cancer, we knocked-down LARS1 by treating siRNA and observed the tumor behavior. LARS1 knock-down cells showed reduced ability to migrate through transwell membrane and to form colonies in both soft agar and culture plate. Taken together, these findings suggest that LARS1 may play roles in migration and growth of lung cancer cells, which suggest its potential implication in lung tumorigenesis.
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Affiliation(s)
- Seung-Hun Shin
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul 137-701, Korea
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