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Alorda-Clara M, Reyes J, Trelles-Guzman MG, Florido M, Roca P, Pons DG, Oliver J. Isolation and Characterization of Extracellular Vesicles in Human Bowel Lavage Fluid. Int J Mol Sci 2023; 24:ijms24087391. [PMID: 37108550 PMCID: PMC10138310 DOI: 10.3390/ijms24087391] [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: 03/09/2023] [Revised: 04/03/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer worldwide and is detected in late stages because of a lack of early and specific biomarkers. Tumors can release extracellular vesicles (EVs), which participate in different functions, such as carrying nucleic acids to target cells; promoting angiogenesis, invasion, and metastasis; and preparing an adequate tumor microenvironment. Finally, bowel lavage fluid (BLF) is a rarely used sample that is obtained during colonoscopy. It presents low variability and protein degradation, is easy to handle, and is representative of EVs from tumor cells due to proximity of the sample collection. This sample has potential as a research tool and possible biomarker source for CRC prognosis and monitoring. In this study, EVs were isolated from human BLF by ultracentrifugation, then characterized by transmission electron microscopy and atomic force microscopy. EV concentration was determined by nanoparticle tracking analysis, and tetraspanins were determined by Western blot, confirming correct EV isolation. RNA, DNA, and proteins were isolated from these EVs; RNA was used in real-time PCR, and proteins were used in an immunoblotting analysis, indicating that EV cargo is optimal for use and study. These results indicate that EVs from BLF can be a useful tool for CRC study and could be a source of biomarkers for the diagnosis and monitoring of CRC.
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Affiliation(s)
- Marina Alorda-Clara
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
| | - Jose Reyes
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
- Servicio Aparato Digestivo, Hospital Comarcal de Inca, E-07300 Inca, Spain
| | - Marita Grimanesa Trelles-Guzman
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
- Servicio Aparato Digestivo, Hospital Comarcal de Inca, E-07300 Inca, Spain
| | - Monica Florido
- Servicio Aparato Digestivo, Hospital Comarcal de Inca, E-07300 Inca, Spain
| | - Pilar Roca
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
- Ciber Fisiopatología Obesidad y Nutrición (CB06/03), Instituto Salud Carlos III, E-28029 Madrid, Spain
| | - Daniel Gabriel Pons
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
| | - Jordi Oliver
- Grupo Multidisciplinar de Oncología Traslacional, Institut Universitari d'Investigació en Ciències de la Salut (IUNICS), Universitat de les Illes Balears, E-07122 Palma, Spain
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), Hospital Universitario Son Espases, Edificio S, E-07120 Palma, Spain
- Ciber Fisiopatología Obesidad y Nutrición (CB06/03), Instituto Salud Carlos III, E-28029 Madrid, Spain
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2
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Formation of pre-metastatic niches induced by tumor extracellular vesicles in lung metastasis. Pharmacol Res 2023; 188:106669. [PMID: 36681367 DOI: 10.1016/j.phrs.2023.106669] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023]
Abstract
There are a number of malignant tumors that metastasize into the lung as one of their most common sites of dissemination. The successful infiltration of tumor cells into distant organs is the result of the cooperation between tumor cells and distant host cells. When tumor cells have not yet reached distant organs, in situ tumor cells secrete extracellular vesicles (EVs) carrying important biological information. In recent years, scholars have found that tumor cells-derived EVs act as the bridge between orthotopic tumors and secondary metastases by promoting the formation of a pre-metastatic niche (PMN), which plays a key role in awakening dormant circulating tumor cells and promoting tumor cell colonization. This review provides an overview of multiple routes and mechanisms underlying PMN formation induced by EVs and summaries study findings that underline a potential role of EVs in the intervention of lung PMN, both as a target or a carrier for drug design. In this review, the underlying mechanisms of EVs in lung PMN formation are highlighted as well as potential applications to lung metastasis diagnosis and treatment.
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Liu H, Liang J, Ye X, Huang M, Ma L, Xie X, Liu D, Cao H, Simal-Gandara J, Rengasamy KRR, Wang Q, Xiao G, Xiao J. The potential role of extracellular vesicles in bioactive compound-based therapy: A review of recent developments. Crit Rev Food Sci Nutr 2022; 63:10959-10973. [PMID: 35648042 DOI: 10.1080/10408398.2022.2081667] [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] [Indexed: 11/03/2022]
Abstract
Recent studies have explored the field of extracellular vesicles (EVs), driving an increasing interest in their application to human health. EVs have unique physicochemical traits to participate in intercellular communication, thus fostering the idea of using EVs to yield synergistic, preventive, and therapeutic effects. Many reports have shown that EVs contain natural bioactive compounds, such as lipids, proteins, RNA, and other active components that regulate biological processes, thereby contributing to human health. Therefore, in this review, we comprehensively elucidate various facets of the relationship between EVs and bioactive compounds that modulate EVs contents, including RNAs and proteins, discussing different forms of biological regulation. The use of EVs for cargo-loading bioactive compounds to exert biological functions and methods to load bioactive compounds into EVs are also discussed. This review highlighted the effect of EV-delivered bioactive compounds on several therapeutic mechanisms and applications, providing new insight into nutrition and pharmacology.
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Affiliation(s)
- Huifan Liu
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Jiaxi Liang
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
| | - Xia Ye
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
| | - Miaoru Huang
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
| | - Lukai Ma
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Xi Xie
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Dongjie Liu
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Hui Cao
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, Ourense, Spain
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, Ourense, Spain
| | - Kannan R R Rengasamy
- Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai, India
| | - Qin Wang
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Gengsheng Xiao
- College of Light Industry and Food, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Lingnan Specialty Food Science and Technology, Guangzhou, Guangdong, China
| | - Jianbo Xiao
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, Ourense, Spain
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
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Taylor J, Patio K, De Rubis G, Morris MB, Evenhuis C, Johnson M, Bebawy M. Membrane to cytosol redistribution of αII-spectrin drives extracellular vesicle biogenesis in malignant breast cells. Proteomics 2021; 21:e2000091. [PMID: 33870651 DOI: 10.1002/pmic.202000091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/04/2021] [Accepted: 03/22/2021] [Indexed: 12/14/2022]
Abstract
Spectrin is a ubiquitous cytoskeletal protein that provides structural stability and supports membrane integrity. In erythrocytes, spectrin proteolysis leads to the biogenesis of plasma membrane extracellular vesicles (EVs). However, its role in non-erythroid or cancer-derived plasma membrane EVs biogenesis is unknown. This study aims to examine the role of αII-spectrin in malignant and non-malignant plasma membrane vesiculation. We developed a custom, automated cell segmentation plugin for the image processor, Fiji, that provides an unbiased assessment of high resolution confocal microscopy images of the subcellular distribution of αII-spectrin. We show that, in low vesiculating non-malignant MBE-F breast cells, prominent cortical spectrin localises to the cell periphery at rest. In comparison, cortical spectrin is diminished in high vesiculating malignant MCF-7 breast cells at rest. A cortical distribution of spectrin correlates with increased biomechanical stiffness as measured by Atomic Force Microscopy. Furthermore, cortical spectrin can be induced in malignant MCF-7 cells by treatment with known vesiculation modulators including the calcium chelator, BAPTA-AM or the calpain inhibitor II (ALLM). These results demonstrate that the subcellular localisation of spectrin is distinctly different in malignant and non-malignant cells at rest and shows that the redistribution of cortical αII-spectrin to the cytoplasm supports plasma membrane-derived EV biogenesis in malignant cells.
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Affiliation(s)
- Jack Taylor
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Sydney, New South Wales, Australia
| | - Kevin Patio
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Sydney, New South Wales, Australia
| | - Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Sydney, New South Wales, Australia
| | - Micheal B Morris
- Discipline of Physiology and Bosch Institute, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Christian Evenhuis
- School of Life Sciences, The University of Technology Sydney, Sydney, New South Wales, Australia
| | - Michael Johnson
- School of Life Sciences, The University of Technology Sydney, Sydney, New South Wales, Australia
| | - Mary Bebawy
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Sydney, New South Wales, Australia
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5
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Tunneling Nanotubes and Tumor Microtubes in Cancer. Cancers (Basel) 2020; 12:cancers12040857. [PMID: 32244839 PMCID: PMC7226329 DOI: 10.3390/cancers12040857] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 03/18/2020] [Indexed: 12/11/2022] Open
Abstract
Intercellular communication among cancer cells and their microenvironment is crucial to disease progression. The mechanisms by which communication occurs between distant cells in a tumor matrix remain poorly understood. In the last two decades, experimental evidence from different groups proved the existence of thin membranous tubes that interconnect cells, named tunneling nanotubes, tumor microtubes, cytonemes or membrane bridges. These highly dynamic membrane protrusions are conduits for direct cell-to-cell communication, particularly for intercellular signaling and transport of cellular cargo over long distances. Tunneling nanotubes and tumor microtubes may play an important role in the pathogenesis of cancer. They may contribute to the resistance of tumor cells against treatments such as surgery, radio- and chemotherapy. In this review, we present the current knowledge about the structure and function of tunneling nanotubes and tumor microtubes in cancer and discuss the therapeutic potential of membrane tubes in cancer treatment.
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6
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Šimundić M, Švara T, Štukelj R, Krek JL, Gombač M, Kralj-Iglič V, Tozon N. Concentration of extracellular vesicles isolated from blood relative to the clinical pathological status of dogs with mast cell tumours. Vet Comp Oncol 2019; 17:456-464. [PMID: 31066969 DOI: 10.1111/vco.12489] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 04/23/2019] [Accepted: 04/28/2019] [Indexed: 12/23/2022]
Abstract
Extracellular vesicles (EVs) are membrane-enclosed fragments shed from all cell types, including tumour cells. EVs contain a wide range of proteins, biolipids and genetic material derived from mother cells and therefore may be potential biomarkers for tumour diagnosis, disease progression and treatment success. We studied the effect of canine mast cell tumours (MCTs) on EV concentrations in blood isolates in association with MCT's histological grade, Ki-67 proliferative index, KIT-staining pattern and number of PLT. The average EV concentration in blood isolates from nine dogs with MCTs was considerably higher than that in blood from eight healthy dogs. But there were no statistically significant differences in EVs concentration in the population of dogs with MCT according to a different histological grade of malignancy (Patnaik, Kiupel), KIT-staining pattern and Ki-67 proliferation index. The results show that these variables statistically do not significantly predicted EV concentrations in blood isolates (P > .05), except the KIT-staining pattern I which added statistically significantly to the prediction (P < .05). The results confirmed the impact of neoplasms on the morphological changes to cell membranes, which result in greater vesiculability and higher EV concentrations.
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Affiliation(s)
| | - Tanja Švara
- Institute of Pathology, Wild Animals, Fish and Bees, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Roman Štukelj
- Laboratory of Clinical Biophysics, Faculty of Healt and Sciences, University of Ljubljana, Ljubljana, Slovenia
| | - Judita L Krek
- Laboratory of Clinical Biophysics, Faculty of Healt and Sciences, University of Ljubljana, Ljubljana, Slovenia
| | - Mitja Gombač
- Institute of Pathology, Wild Animals, Fish and Bees, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Veronika Kralj-Iglič
- Laboratory of Clinical Biophysics, Faculty of Healt and Sciences, University of Ljubljana, Ljubljana, Slovenia
| | - Nataša Tozon
- Small Animal Clinic, Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia
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7
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Zou H, Zhu J, Huang DS. Cell membrane capsule: a novel natural tool for antitumour drug delivery. Expert Opin Drug Deliv 2019; 16:251-269. [PMID: 30742557 DOI: 10.1080/17425247.2019.1581762] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Chemotherapy plays an important role in antitumour therapy, but causes serious adverse reactions. So, drug delivery system (DDS) with cell-targeting ability is an important method to reduce adverse reactions while ensuring the effectiveness of chemotherapy. Synthetic drug carriers and DDSs based on cells have proven safety and efficacy, but they also have many deficiencies or limitations. Cell membrane capsules (CMCs), which are based on extracellular vesicles (EVs), are a promising biomimetic DDS that retains some cell membrane channels and cytoplasmic functions, with escape macrophage phagocytosis. AREAS COVERED The EVs for constructing CMCs can be prepared by natural secretion, chemical-induced budding, nanofilter membrane extrusion and similar methods and are isolated and purified by a variety of methods such as centrifugation and liquid chromatography. CMCs can target the tumour cells either spontaneously or through targeting modifications using proteins or aptamers to actively target the tumour cells. CMCs can be directly wrapped with chemicals, photosensitizers, RNA, proteins and other ingredients, or they can be loaded with antitumour agent-loaded synthetic nanoparticles, which are delivered to the target cells to play a specific role. EXPERT OPINION This review describes the concept, function, characteristics, origins, and manufacturing methods of CMCs and their application in antitumour therapy.
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Affiliation(s)
- Hai Zou
- a Clinical Research Institute , Zhejiang Provincial People's Hospital , Hangzhou , China.,b Department of Cardiology , Zhejiang Provincial People's Hospital , Hangzhou , PR China.,c People's Hospital of Hangzhou Medical College , Hangzhou , Zhejiang Province , China.,d Medical College , Hangzhou , China
| | - Jing Zhu
- c People's Hospital of Hangzhou Medical College , Hangzhou , Zhejiang Province , China.,d Medical College , Hangzhou , China.,e Department of Reproductive Endocrinology , Zhejiang Provincial People's Hospital , Hangzhou , China
| | - Dong-Sheng Huang
- c People's Hospital of Hangzhou Medical College , Hangzhou , Zhejiang Province , China.,f Department of Hepatobiliary Surgery , Zhejiang Provincial People's Hospital , Hangzhou , China
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8
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Shamai Y, Alperovich DC, Yakhini Z, Skorecki K, Tzukerman M. Reciprocal Reprogramming of Cancer Cells and Associated Mesenchymal Stem Cells in Gastric Cancer. Stem Cells 2019; 37:176-189. [PMID: 30379370 PMCID: PMC7380032 DOI: 10.1002/stem.2942] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 09/25/2018] [Accepted: 10/16/2018] [Indexed: 01/01/2023]
Abstract
The interactions of cancer stem cells (CSCs) within the tumor microenvironment (TME), contribute to the overall phenomenon of intratumoral heterogeneity, which also involve CSC interactions with noncancer stromal cells. Comprehensive understanding of the tumorigenesis process requires elucidating the coordinated gene expression between cancer and tumor stromal cells for each tumor. We show that human gastric cancer cells (GSC1) subvert gene expression and cytokine production by mesenchymal stem cells (GSC-MSC), thus promoting tumor progression. Using mixed composition of human tumor xenografts, organotypic culture, and in vitro assays, we demonstrate GSC1-mediated specific reprogramming of "naïve" MSC into specialized tumor associated MSC equipped with a tumor-promoting phenotype. Although paracrine effect of GSC-MSC or primed-MSC is sufficient to enable 2D growth of GSC1, cell-cell interaction with GSC-MSC is necessary for 3D growth and in vivo tumor formation. At both the transcriptional and at the protein level, RNA-Seq and proteome analyses, respectively, revealed increased R-spondin expression in primed-MSC, and paracrine and juxtacrine mediated elevation of Lgr5 expression in GSC1, suggesting GSC-MSC-mediated support of cancer stemness in GSC1. CSC properties are sustained in vivo through the interplay between GSC1 and GSC-MSC, activating the R-spondin/Lgr5 axis and WNT/β-catenin signaling pathway. β-Catenin+ cell clusters show β-catenin nuclear localization, indicating the activation of the WNT/β-catenin signaling pathway in these cells. The β-catenin+ cluster of cells overlap the Lgr5+ cells, however, not all Lgr5+ cells express β-catenin. A predominant means to sustain the CSC contribution to tumor progression appears to be subversion of MSC in the TME by cancer cells. Stem Cells 2018 Stem Cells 2019;37:176-189.
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Affiliation(s)
| | | | - Zohar Yakhini
- Computer Science DepartmentTechnion‐Israel Institute of TechnologyHaifaIsrael
- Arazi School of Computer ScienceInterdisciplinary CenterHerzliyaIsrael
| | - Karl Skorecki
- Rambam Medical CenterHaifaIsrael
- Rappaport Faculty of Medicine and Research InstituteHaifaIsrael
- Technion‐Israel Institute of TechnologyHaifaIsrael
| | - Maty Tzukerman
- Rambam Medical CenterHaifaIsrael
- Rappaport Faculty of Medicine and Research InstituteHaifaIsrael
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9
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Exosomes and microvesicles in normal physiology, pathophysiology, and renal diseases. Pediatr Nephrol 2019; 34:11-30. [PMID: 29181712 PMCID: PMC6244861 DOI: 10.1007/s00467-017-3816-z] [Citation(s) in RCA: 219] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/16/2017] [Accepted: 09/19/2017] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles are cell-derived membrane particles ranging from 30 to 5,000 nm in size, including exosomes, microvesicles, and apoptotic bodies. They are released under physiological conditions, but also upon cellular activation, senescence, and apoptosis. They play an important role in intercellular communication. Their release may also maintain cellular integrity by ridding the cell of damaging substances. This review describes the biogenesis, uptake, and detection of extracellular vesicles in addition to the impact that they have on recipient cells, focusing on mechanisms important in the pathophysiology of kidney diseases, such as thrombosis, angiogenesis, tissue regeneration, immune modulation, and inflammation. In kidney diseases, extracellular vesicles may be utilized as biomarkers, as they are detected in both blood and urine. Furthermore, they may contribute to the pathophysiology of renal disease while also having beneficial effects associated with tissue repair. Because of their role in the promotion of thrombosis, inflammation, and immune-mediated disease, they could be the target of drug therapy, whereas their favorable effects could be utilized therapeutically in acute and chronic kidney injury.
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10
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Microvesicle Involvement in Shiga Toxin-Associated Infection. Toxins (Basel) 2017; 9:toxins9110376. [PMID: 29156596 PMCID: PMC5705991 DOI: 10.3390/toxins9110376] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 11/15/2017] [Accepted: 11/16/2017] [Indexed: 12/16/2022] Open
Abstract
Shiga toxin is the main virulence factor of enterohemorrhagic Escherichia coli, a non-invasive pathogen that releases virulence factors in the intestine, causing hemorrhagic colitis and, in severe cases, hemolytic uremic syndrome (HUS). HUS manifests with acute renal failure, hemolytic anemia and thrombocytopenia. Shiga toxin induces endothelial cell damage leading to platelet deposition in thrombi within the microvasculature and the development of thrombotic microangiopathy, mostly affecting the kidney. Red blood cells are destroyed in the occlusive capillary lesions. This review focuses on the importance of microvesicles shed from blood cells and their participation in the prothrombotic lesion, in hemolysis and in the transfer of toxin from the circulation into the kidney. Shiga toxin binds to blood cells and may undergo endocytosis and be released within microvesicles. Microvesicles normally contribute to intracellular communication and remove unwanted components from cells. Many microvesicles are prothrombotic as they are tissue factor- and phosphatidylserine-positive. Shiga toxin induces complement-mediated hemolysis and the release of complement-coated red blood cell-derived microvesicles. Toxin was demonstrated within blood cell-derived microvesicles that transported it to renal cells, where microvesicles were taken up and released their contents. Microvesicles are thereby involved in all cardinal aspects of Shiga toxin-associated HUS, thrombosis, hemolysis and renal failure.
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11
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Ridger VC, Boulanger CM, Angelillo-Scherrer A, Badimon L, Blanc-Brude O, Bochaton-Piallat ML, Boilard E, Buzas EI, Caporali A, Dignat-George F, Evans PC, Lacroix R, Lutgens E, Ketelhuth DFJ, Nieuwland R, Toti F, Tunon J, Weber C, Hoefer IE. Microvesicles in vascular homeostasis and diseases. Position Paper of the European Society of Cardiology (ESC) Working Group on Atherosclerosis and Vascular Biology. Thromb Haemost 2017; 117:1296-1316. [PMID: 28569921 DOI: 10.1160/th16-12-0943] [Citation(s) in RCA: 167] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 04/27/2017] [Indexed: 12/15/2022]
Abstract
Microvesicles are members of the family of extracellular vesicles shed from the plasma membrane of activated or apoptotic cells. Microvesicles were initially characterised by their pro-coagulant activity and described as "microparticles". There is mounting evidence revealing a role for microvesicles in intercellular communication, with particular relevance to hemostasis and vascular biology. Coupled with this, the potential of microvesicles as meaningful biomarkers is under intense investigation. This Position Paper will summarise the current knowledge on the mechanisms of formation and composition of microvesicles of endothelial, platelet, red blood cell and leukocyte origin. This paper will also review and discuss the different methods used for their analysis and quantification, will underline the potential biological roles of these vesicles with respect to vascular homeostasis and thrombosis and define important themes for future research.
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Affiliation(s)
| | - Chantal M Boulanger
- Victoria Ridger, PhD, Department of Infection, Immunity and Cardiovascular Disease, Faculty of Medicine, Dentistry and Health, University of Sheffield, Sheffield, UK, E-mail: , or, Chantal M. Boulanger, PhD, INSERM UMR-S 970, Paris Cardiovascular Research Center - PARCC, 56 rue Leblanc, 75015 Paris, France, E-mail:
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12
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Wang T, Ning K, Lu T, Sun X, Jin L, Qi X, Jin J, Hua D. Increasing circulating exosomes-carrying TRPC5 predicts chemoresistance in metastatic breast cancer patients. Cancer Sci 2017; 108:448-454. [PMID: 28032400 PMCID: PMC5378269 DOI: 10.1111/cas.13150] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 12/22/2016] [Accepted: 12/25/2016] [Indexed: 01/13/2023] Open
Abstract
Chemoresistance, the major obstacle in breast cancer chemotherapy, results in unnecessary chemotherapy and wasting of medical resources. No feasible method has been available to predict chemoresistance before chemotherapy. In our previous study, elevated expression of transient receptor potential channel TRPC5 was found to be an essential element for chemoresistance in breast cancer cells, and it was determined that it could be transferred to chemosensitive breast cancer cells through releasing extracellular vesicles (EV) containing TRPC5 from chemoresistant cells, resulting in acquired chemoresistance. Exosomes, a type of EV, are secreted membrane-enclosed vesicles of 50-150-nm diameter. In this study we found that circulating exosomes in peripheral blood from breast cancer patients carried TRPC5. In the present study, circulating exosome-carrying TRPC5 (cirExo-TRPC5) level was significantly correlated with TRPC5 expression level in breast cancer tissues and tumor response to chemotherapy. Furthermore, increased cirExo-TRPC5 level after chemotherapy preceded progressive disease (PD) based on imaging examination and strongly predicted acquired chemoresistance. Taken together, our study demonstrated that cirExo-TRPC5 might act as a noninvasive chemoresistance marker and might serve as an adjuvant to the current imaging examination-based chemoresistance.
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Affiliation(s)
- Teng Wang
- Department of OncologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
| | - Kuan Ning
- Department of OncologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
- Wuxi Medical CollegeJiangnan UniversityWuxiJiangsuChina
| | - Ting‐xun Lu
- Department of OncologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
| | - Xu Sun
- Department of OncologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
- Wuxi Medical CollegeJiangnan UniversityWuxiJiangsuChina
| | - Linfang Jin
- Department of PathologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
| | - Xiaowei Qi
- Department of PathologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
| | - Jian Jin
- School of Pharmaceutical SciencesJiangnan UniversityWuxiJiangsuChina
| | - Dong Hua
- Department of OncologyAffiliated Hospital of Jiangnan University and the Fourth People's Hospital of WuxiWuxiJiangsuChina
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13
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Trivedi M, Talekar M, Shah P, Ouyang Q, Amiji M. Modification of tumor cell exosome content by transfection with wt-p53 and microRNA-125b expressing plasmid DNA and its effect on macrophage polarization. Oncogenesis 2016; 5:e250. [PMID: 27500388 PMCID: PMC5007827 DOI: 10.1038/oncsis.2016.52] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 06/10/2016] [Accepted: 06/20/2016] [Indexed: 12/13/2022] Open
Abstract
Exosomes are responsible for intercellular communication between tumor cells and others in the tumor microenvironment. These microvesicles promote oncogensis and can support towards metastasis by promoting a pro-tumorogenic environment. Modifying the exosomal content and exosome delivery are emerging novel cancer therapies. However, the clinical translation is limited due to feasibility of isolating and delivery of treated exosomes as well as an associated immune response in patients. In this study, we provide proof-of-concept for a novel treatment approach for manipulating exosomal content by genetic transfection of tumor cells using dual-targeted hyaluronic acid-based nanoparticles. Following transfection with plasmid DNA encoding for wild-type p53 (wt-p53) and microRNA-125b (miR-125b), we evaluate the transgene expression in the SK-LU-1 cells and in the secreted exosomes. Furthermore, along with modulation of wt-p53 and miR-125b expression, we also show that the exosomes (i.e., wt-p53/exo, miR-125b/exo and combination/exo) have a reprogramed global miRNA profile. The miRNAs in the exosomes were mainly related to the activation of genes associated with apoptosis as well as p53 signaling. More importantly, these altered miRNA levels in the exosomes could mediate macrophage repolarization towards a more pro-inflammatory/antitumor M1 phenotype. However, further studies, especially in vivo studies, are warranted to assess the direct influence of such macrophage reprogramming on cancer cells and oncogenesis post-treatment. The current study provides a novel platform enabling the development of therapeutic strategies affecting not only the cancer cells but also the tumor microenvironment by utilizing the 'bystander effect' through genetic transfer with secreted exosomes. Such modification could also support antitumor environment leading to decreased oncogenesis.
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Affiliation(s)
- M Trivedi
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA, USA
| | - M Talekar
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA, USA
| | - P Shah
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA, USA
| | - Q Ouyang
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA, USA
| | - M Amiji
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA, USA
- Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
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14
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Berger L, Shamai Y, Skorecki KL, Tzukerman M. Tumor Specific Recruitment and Reprogramming of Mesenchymal Stem Cells in Tumorigenesis. Stem Cells 2015; 34:1011-26. [PMID: 26676563 DOI: 10.1002/stem.2269] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 11/19/2015] [Accepted: 11/29/2015] [Indexed: 01/14/2023]
Abstract
Non-neoplastic stromal cells harvested from patient tumors were identified as tumor-derived mesenchymal stem cells (MSCs) by their multipotential capacity to differentiate into adipocytes, osteoblasts, and chondrocytes and by the expression of MSC specific cell surface markers. These procedures yielded also epithelial cancer cells and their counterpart MSC from gastric carcinoma (GSC1) and lung carcinoma (LC2). While the LC2 cancer cell growth is independent of their LC-MSC, the GSC1 cancer cell growth is critically dependent on the presence of their counterpart GSC-MSC or their conditioned medium (CM). The fact that none of the various other tumor-derived MSCs was able to restore the specific effect of GSC-MSC on GSC1 cancer cell growth suggests specificity of tumor-derived MSC, which are specifically recruited and "educated"/reprogrammed by the cancer cells to support tumor growth. Using cytokine array analysis, we were able to demonstrate that GSC1 cell growth is mediated through hepatocyte growth factor (HGF)/c-MET signaling pathway which is activated exclusively by HGF secreted from GSC-MSC. An innovative approach demonstrates GSC1-mediated specific tropism of "naïve" MSC from the adjacent tissue in a tumor specific manner to support tumor progression. The results suggest that specific tumor tropic "naïve" MSC are reprogrammed in a tumor-specific manner to support gastric tumor progression. Understanding the mechanisms involved in the interactions of the tumor cancer cells and tumor-derived MSC will constitute the basis for developing multimodal anticancer therapeutic strategies that will also take into account the specific tumor tropism properties of MSC and their reprogramming.
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Affiliation(s)
- Liron Berger
- Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel
| | - Yeela Shamai
- Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel
| | - Karl L Skorecki
- Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel.,Rambam Medical Center, Haifa, Israel
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15
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Saha B, Momen-Heravi F, Kodys K, Szabo G. MicroRNA Cargo of Extracellular Vesicles from Alcohol-exposed Monocytes Signals Naive Monocytes to Differentiate into M2 Macrophages. J Biol Chem 2015; 291:149-59. [PMID: 26527689 DOI: 10.1074/jbc.m115.694133] [Citation(s) in RCA: 167] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Indexed: 12/19/2022] Open
Abstract
Membrane-coated extracellular vesicles (EVs) released by cells can serve as vehicles for delivery of biological materials and signals. Recently, we demonstrated that alcohol-treated hepatocytes cross-talk with immune cells via exosomes containing microRNA (miRNAs). Here, we hypothesized that alcohol-exposed monocytes can communicate with naive monocytes via EVs. We observed increased numbers of EVs, mostly exosomes, secreted by primary human monocytes and THP-1 monocytic cells in the presence of alcohol in a concentration- and time-dependent manner. EVs derived from alcohol-treated monocytes stimulated naive monocytes to polarize into M2 macrophages as indicated by increased surface expression of CD68 (macrophage marker), M2 markers (CD206 (mannose receptor) and CD163 (scavenger receptor)), secretion of IL-10, and TGFβ and increased phagocytic activity. miRNA profiling of the EVs derived from alcohol-treated THP-1 monocytes revealed high expression of the M2-polarizing miRNA, miR-27a. Treatment of naive monocytes with control EVs overexpressing miR-27a reproduced the effect of EVs from alcohol-treated monocytes on naive monocytes and induced M2 polarization, suggesting that the effect of alcohol EVs was mediated by miR-27a. We found that miR-27a modulated the process of phagocytosis by targeting CD206 expression on monocytes. Importantly, analysis of circulating EVs from plasma of alcoholic hepatitis patients revealed increased numbers of EVs that contained high levels of miR-27a as compared with healthy controls. Our results demonstrate the following: first, alcohol increases EV production in monocytes; second, alcohol-exposed monocytes communicate with naive monocytes via EVs; and third, miR-27a cargo in monocyte-derived EVs can program naive monocytes to polarize into M2 macrophages.
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Affiliation(s)
- Banishree Saha
- From the Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605
| | - Fatemeh Momen-Heravi
- From the Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605
| | - Karen Kodys
- From the Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605
| | - Gyongyi Szabo
- From the Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605
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16
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Penfornis P, Vallabhaneni KC, Whitt J, Pochampally R. Extracellular vesicles as carriers of microRNA, proteins and lipids in tumor microenvironment. Int J Cancer 2015; 138:14-21. [PMID: 25559768 DOI: 10.1002/ijc.29417] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 12/05/2014] [Accepted: 12/23/2014] [Indexed: 12/13/2022]
Abstract
In recent years, the knowledge about the control of tumor microenvironment has increased and emerged as an important player in tumorigenesis. The role of normal stromal cells in the tumor initiation and progression has brought our vision in to the forefront of cell-to-cell communication. In this review, we focus on the mechanism of communication between stromal and tumor cells, which is based on the exchange of extracellular vesicles (EVs). We describe several, evergrowing, pieces of evidence that EVs transfer messages through their miRNA, lipid, protein and nucleic acid contents. A better understanding of this sophisticated method of communication between normal cancer cells may lead to developing novel approaches for personalized diagnostics and therapeutics.
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Affiliation(s)
- Patrice Penfornis
- Department of Biochemistry and Cancer Institute, University of Mississippi Medical Center, Jackson, MS
| | - Krishna C Vallabhaneni
- Department of Biochemistry and Cancer Institute, University of Mississippi Medical Center, Jackson, MS
| | - Jason Whitt
- Department of Biochemistry and Cancer Institute, University of Mississippi Medical Center, Jackson, MS
| | - Radhika Pochampally
- Department of Biochemistry and Cancer Institute, University of Mississippi Medical Center, Jackson, MS
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Schroder WA, Major LD, Le TT, Gardner J, Sweet MJ, Janciauskiene S, Suhrbier A. Tumor cell-expressed SerpinB2 is present on microparticles and inhibits metastasis. Cancer Med 2014; 3:500-13. [PMID: 24644264 PMCID: PMC4101741 DOI: 10.1002/cam4.229] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 02/12/2014] [Accepted: 02/14/2014] [Indexed: 01/06/2023] Open
Abstract
Expression of SerpinB2 (plasminogen activator inhibitor type 2/PAI-2) by certain cancers is associated with a favorable prognosis. Although tumor-associated host tissues can express SerpinB2, no significant differences in the growth of a panel of different tumors in SerpinB2(-/-) and SerpinB2(+/+) mice were observed. SerpinB2 expression by cancer cells (via lentiviral transduction) also had no significant effect on the growth of panel of mouse and human tumor lines in vivo or in vitro. SerpinB2 expression by cancer cells did, however, significantly reduce the number of metastases in a B16 metastasis model. SerpinB2-expressing B16 cells also showed reduced migration and increased length of invadopodia-like structures, supporting the classical view that that tumor-derived SerpinB2 is inhibiting extracellular urokinase. Importantly, although SerpinB2 is usually poorly secreted, we found that SerpinB2 effectively reaches the extracellular milieu on the surface of 0.5-1 μm microparticles (MPs), where it was able to inhibit urokinase. We also provide evidence that annexins mediate the binding of SerpinB2 to phosphatidylserine, a lipid characteristically exposed on the surface of MPs. The presence of SerpinB2 on the surface of MPs provides a physiological mechanism whereby cancer cell SerpinB2 can reach the extracellular milieu and access urokinase plasminogen activator (uPA). This may then lead to inhibition of metastasis and a favorable prognosis.
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Affiliation(s)
- Wayne A Schroder
- Inflammation Biology Group, QIMR Berghofer Medical Research InstituteBrisbane, Queensland, 4029, Australia
| | - Lee D Major
- Inflammation Biology Group, QIMR Berghofer Medical Research InstituteBrisbane, Queensland, 4029, Australia
| | - Thuy T Le
- Inflammation Biology Group, QIMR Berghofer Medical Research InstituteBrisbane, Queensland, 4029, Australia
| | - Joy Gardner
- Inflammation Biology Group, QIMR Berghofer Medical Research InstituteBrisbane, Queensland, 4029, Australia
| | - Matthew J Sweet
- Institute for Molecular Bioscience, University of QueenslandSt Lucia, 4072, Australia
| | - Sabina Janciauskiene
- Department of Respiratory Medicine, Hannover Medical SchoolHannover, 30625, Germany
| | - Andreas Suhrbier
- Inflammation Biology Group, QIMR Berghofer Medical Research InstituteBrisbane, Queensland, 4029, Australia
- School of Biomolecular and Physical Sciences, Griffith UniversityNathan, Queensland, 4111, Australia
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18
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Pasquier J, Thawadi HA, Ghiabi P, Abu-Kaoud N, Maleki M, Guerrouahen BS, Vidal F, Courderc B, Ferron G, Martinez A, Al Sulaiti H, Gupta R, Rafii S, Rafii A. Microparticles mediated cross-talk between tumoral and endothelial cells promote the constitution of a pro-metastatic vascular niche through Arf6 up regulation. CANCER MICROENVIRONMENT 2014; 7:41-59. [PMID: 24424657 PMCID: PMC4150875 DOI: 10.1007/s12307-013-0142-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2013] [Accepted: 11/15/2013] [Indexed: 12/14/2022]
Abstract
The tumor stroma plays an essential role in tumor growth, resistance to therapy and occurrence of metastatic phenotype. Tumor vessels have been considered as passive conducts for nutrients but several studies have demonstrated secretion of pro-tumoral factors by endothelial cells. The failure of anti-angiogenic therapies to meet expectations raised by pre-clinical studies prompt us to better study the cross-talk between endothelial and cancer cells. Here, we hypothesized that tumor cells and the endothelium secrete bio-active microparticles (MPs) participating to a functional cross-talk. We characterized the cancer cells MPs, using breast and ovarian cancer cell lines (MCF7, MDA-MB231, SKOV3, OVCAR3 and a primary cell lines, APOCC). Our data show that MPs from mesenchymal-like cell lines (MDA-MB231, SKOV3 and APOCC) were able to promote an activation of endothelial cells through Akt phosphorylation, compared to MPs from epithelial-like cell lines (OVCAR3 and MCF7). The MPs from mesenchymal-like cells contained increased angiogenic molecules including PDGF, IL8 and angiogenin. The endothelial activation was associated to increased Arf6 expression and MPs secretion. Endothelial activation functionalized an MP dependent pro-tumoral vascular niche promoting cancer cells proliferation, invasiveness, stem cell phenotype and chemoresistance. MPs from cancer and endothelial cells displayed phenotypic heterogeneity, and participated to a functional cross-talk where endothelial activation by cancer MPs resulted in increased secretion of EC-MPs sustaining tumor cells. Such cross-talk may play a role in perfusion independent role of the endothelium.
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Affiliation(s)
- Jennifer Pasquier
- Stem Cell and Microenvironment Laboratory, Weill Cornell Medical College in Qatar, Education City, Qatar Foundation, Doha, Qatar
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The role of extracellular vesicles in phenotypic cancer transformation. Radiol Oncol 2013; 47:197-205. [PMID: 24133383 PMCID: PMC3794874 DOI: 10.2478/raon-2013-0037] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 05/02/2013] [Indexed: 12/14/2022] Open
Abstract
Background Cancer has traditionally been considered as a disease resulting from gene mutations. New findings in biology are challenging gene-centered explanations of cancer progression and redirecting them to the non-genetic origins of tumorigenicity. It has become clear that intercellular communication plays a crucial role in cancer progression. Among the most intriguing ways of intercellular communication is that via extracellular vesicles (EVs). EVs are membrane structures released from various types of cells. After separation from the mother membrane, EVs become mobile and may travel from the extracellular space to blood and other body fluids. Conclusions Recently it has been shown that tumour cells are particularly prone to vesiculation and that tumour-derived EVs can carry proteins, lipids and nucleic acids causative of cancer progression. The uptake of tumour-derived EVs by noncancerous cells can change their normal phenotype to cancerous. The suppression of vesiculation could slow down tumour growth and the spread of metastases. The purpose of this review is to highlight examples of EV-mediated cancer phenotypic transformation in the light of possible therapeutic applications.
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20
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Furmanski P. Revealing the mechanism of tissue damage due to tobacco use: finally, a smoking gun? THE AMERICAN JOURNAL OF PATHOLOGY 2013; 182:1489-93. [PMID: 23499459 DOI: 10.1016/j.ajpath.2013.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Accepted: 02/14/2013] [Indexed: 10/27/2022]
Abstract
This commentary highlights the article by Li et al that presents a compelling case for a mechanism by which tobacco smoke extract (TSE) induces damage to the extracellular matrix, a key element in the pathogenesis of tobacco-related disease.
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Affiliation(s)
- Philip Furmanski
- Susan Lehman Cullman Laboratory for Cancer Research, Ernest Mario School of Pharmacy, Rutgers University, 164 Frelinghuysen Rd., Piscataway, NJ 08854, USA.
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Prominin-1-containing membrane vesicles: origins, formation, and utility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 777:41-54. [PMID: 23161074 DOI: 10.1007/978-1-4614-5894-4_3] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The stem cell antigen prominin-1 (CD133) is associated with two major types (small and large) of extracellular membrane vesicles in addition to its selective concentration in various kinds of plasma membrane protrusion. During development of the mammalian central nervous system, differentiating neuroepithelial stem cells release these vesicles into the embryonic cerebrospinal fluid. In glioblastoma patients, an increase of such vesicles, particularly the smaller ones, have been also observed in cerebrospinal fluid. Similarly, hematopoietic stem and progenitor cells release small ones concomitantly with their differentiation. Although the functional significance of these prominin-1-containing membrane vesicles is poorly understood, a link between differentiation of stem (and cancer stem) cells and their release is emerging. In this chapter, I will summarize our knowledge about prominin-1-containing membrane vesicles including a potential role in cell-cell communication and highlight their prospective value as a new biomarker for tumorigenesis diagnostics.
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Abstract
INTRODUCTION The crosstalk between tumor and stromal cells has become an increasing important subject of the biology of oncogenesis, also involving new therapy paradigms for treating tumor-reactive host cells and vasculature. AREAS COVERED This article describes the long-term propagation in hamsters of a human glioblastoma which was derived from the in-vivo fusion of the human tumor cells with hamster stromal cells. The hybrid tumor cells retained at least seven human genes, of which three were able to translate their protein products during serial passages in vitro and in vivo, as well as features of the original tumor's histological appearance. This heterospecific fusion of cancer and normal host stromal cells is discussed as a mechanism for the horizontal transmission of malignancy, which may be a more common phenomenon in human cancer than appreciated previously. EXPERT OPINION Cell-cell fusion in vivo is one of several mechanisms by which genetic information can be transmitted from tumor to host cells, resulting in new and different (more aggressive) tumor cell populations.
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Affiliation(s)
- David M Goldenberg
- Garden State Cancer Center, Center for Molecular Medicine and Immunology, 300 The American Road, Morris Plains, NJ 07950, USA.
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