101
|
Pan Q, Liu H, Zheng C, Zhao Y, Liao X, Wang Y, Chen Y, Zhao B, Lazartigues E, Yang Y, Ma X. Microvesicles Derived from Inflammation-Challenged Endothelial Cells Modulate Vascular Smooth Muscle Cell Functions. Front Physiol 2017; 7:692. [PMID: 28127288 PMCID: PMC5226944 DOI: 10.3389/fphys.2016.00692] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 12/27/2016] [Indexed: 12/13/2022] Open
Abstract
Purpose: Microvesicles (MV) can modulate the function of recipient cells by transferring their contents. Our previous study highlighted that MV released from tumor necrosis factor-α (TNF-α) plus serum deprivation (SD)-stimulated endothelial progenitor cells, induce detrimental effects on endothelial cells. In this study, we investigated the potential effects of endothelial MV (EMV) on proliferation, migration, and apoptosis of human brain vascular smooth cells (HBVSMC). Methods: EMV were prepared from human brain microvascular endothelial cells (HBMEC) cultured in a TNF-α plus SD medium. RNase-EMV were made by treating EMV with RNase A for RNA depletion. The proliferation, apoptosis and migration abilities of HBVSMC were determined after co-culture with EMV or RNase-EMV. The Mek1/2 inhibitor, PD0325901, was used for pathway analysis. Western blot was used for analyzing the proteins of Mek1/2, Erk1/2, phosphorylation Erk1/2, activated caspase-3 and Bcl-2. The level of miR-146a-5p was measured by qRT-PCR. Results: (1) EMV significantly promoted the proliferation and migration of HBVSMC. The effects were accompanied by an increase in Mek1/2 and p-Erk1/2, which could be abolished by PD0325901; (2) EMV decreased the apoptotic rate of HBVSMC by approximately 35%, which was accompanied by cleaved caspase-3 down-regulation and Bcl-2 up-regulation; (3) EMV increased miR-146a-5p level in HBVSMC by about 2-folds; (4) RNase-treated EMV were less effective than EMV on HBVSMC activities and miR-146a-5p expression. Conclusion: EMV generated under inflammation challenge can modulate HBVSMC function and fate via their carried RNA. This is associated with activation of theMek1/2/Erk1/2 pathway and caspase-3/Bcl-2 regulation, during which miR-146a-5p may play an important role. The data suggest that EMV derived from inflammation-challenged endothelial cells are detrimental to HBVSMC homeostatic functions, highlighting potential novel therapeutic targets for vascular diseases.
Collapse
Affiliation(s)
- Qunwen Pan
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| | - Hua Liu
- College of Health Science, Wuhan Sports University Wuhan, China
| | - Chunyan Zheng
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| | - Yuhui Zhao
- Department of Neurology and Stroke Center, The First Affiliated Hospital, Sun Yat-Sen University Guangzhou, China
| | - Xiaorong Liao
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| | - Yan Wang
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| | - Yanfang Chen
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical UniversityZhanjiang, China; Department of Pharmacology and Toxicology, Boonshoft School of Medicine, Wright State UniversityDayton, OH, USA
| | - Bin Zhao
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| | - Eric Lazartigues
- Department of Pharmacology and Experimental Therapeutics, Louisiana State University Health Sciences New Orleans, LA, USA
| | - Yi Yang
- College of Health Science, Wuhan Sports University Wuhan, China
| | - Xiaotang Ma
- Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University Zhanjiang, China
| |
Collapse
|
102
|
Di Rocco G, Baldari S, Toietta G. Towards Therapeutic Delivery of Extracellular Vesicles: Strategies for In Vivo Tracking and Biodistribution Analysis. Stem Cells Int 2016; 2016:5029619. [PMID: 27994623 PMCID: PMC5141304 DOI: 10.1155/2016/5029619] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 09/16/2016] [Accepted: 10/13/2016] [Indexed: 12/15/2022] Open
Abstract
Extracellular vesicles (EVs), such as microvesicles and exosomes, are membranous structures containing bioactive material released by several cells types, including mesenchymal stem/stromal cells (MSCs). Increasing lines of evidences point to EVs as paracrine mediators of the beneficial effects on tissue remodeling associated with cell therapy. Administration of MSCs-derived EVs has therefore the potential to open new and safer therapeutic avenues, alternative to cell-based approaches, for degenerative diseases. However, an enhanced knowledge about in vivo EVs trafficking upon delivery is required before effective clinical translation. Only a few studies have focused on the biodistribution analysis of exogenously administered MSCs-derived EVs. Nevertheless, current strategies for in vivo tracking in animal models have provided valuable insights on the biodistribution upon systemic delivery of EVs isolated from several cellular sources, indicating in liver, spleen, and lungs the preferential target organs. Different strategies for targeting EVs to specific tissues to enhance their therapeutic efficacy and reduce possible off-target effects have been investigated. Here, in the context of a possible clinical application of MSC-derived EVs for tissue regeneration, we review the existing strategies for in vivo tracking and targeting of EVs isolated from different cellular sources and the studies elucidating the biodistribution of exogenously administered EVs.
Collapse
Affiliation(s)
- Giuliana Di Rocco
- Department of Research, Advanced Diagnostic, and Technological Innovation, Translational Research Area, Regina Elena National Cancer Institute, Via E. Chianesi 53, 00144 Rome, Italy
| | - Silvia Baldari
- Department of Research, Advanced Diagnostic, and Technological Innovation, Translational Research Area, Regina Elena National Cancer Institute, Via E. Chianesi 53, 00144 Rome, Italy
| | - Gabriele Toietta
- Department of Research, Advanced Diagnostic, and Technological Innovation, Translational Research Area, Regina Elena National Cancer Institute, Via E. Chianesi 53, 00144 Rome, Italy
| |
Collapse
|
103
|
Regulatory roles of epigenetic modulators, modifiers and mediators in lung cancer. Semin Cancer Biol 2016; 42:4-12. [PMID: 27840279 DOI: 10.1016/j.semcancer.2016.11.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 11/08/2016] [Indexed: 12/19/2022]
Abstract
Lung cancer as the leading cause of cancer-related deaths can be initiated and progressed by the interaction between dynamically genetic and epigenetic elements, although mechanisms mediating lung cancer development and progression remain unclear. Tumor progenitor genes may contribute to lung carcinogenesis and cancer progression, are epigenetically disrupted at the early stages of malignancies even before mutations, and alter cell differentiation throughout tumor evolution. The present review explores potential roles and mechanisms of epigenetic modulators, modifiers and mediators in the development of lung cancer. We also overviewed potential mechanisms by which epigenetic modulators, modifiers and mediators control and regulate 3D nuclear architectures, and discussed translational efforts to epigenetic modifications for treatment of lung cancer. Deep understanding of epigenetic modulators, modifiers and mediators will benefit the discovery and development of new diagnostics and therapies for lung cancer.
Collapse
|
104
|
Filella X, Foj L. Prostate Cancer Detection and Prognosis: From Prostate Specific Antigen (PSA) to Exosomal Biomarkers. Int J Mol Sci 2016; 17:ijms17111784. [PMID: 27792187 PMCID: PMC5133785 DOI: 10.3390/ijms17111784] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/04/2016] [Accepted: 10/14/2016] [Indexed: 12/22/2022] Open
Abstract
Prostate specific antigen (PSA) remains the most used biomarker in the management of early prostate cancer (PCa), in spite of the problems related to false positive results and overdiagnosis. New biomarkers have been proposed in recent years with the aim of increasing specificity and distinguishing aggressive from non-aggressive PCa. The emerging role of the prostate health index and the 4Kscore is reviewed in this article. Both are blood-based tests related to the aggressiveness of the tumor, which provide the risk of suffering PCa and avoiding negative biopsies. Furthermore, the use of urine has emerged as a non-invasive way to identify new biomarkers in recent years, including the PCA3 and TMPRSS2:ERG fusion gene. Available results about the PCA3 score showed its usefulness to decide the repetition of biopsy in patients with a previous negative result, although its relationship with the aggressiveness of the tumor is controversial. More recently, aberrant microRNA expression in PCa has been reported by different authors. Preliminary results suggest the utility of circulating and urinary microRNAs in the detection and prognosis of PCa. Although several of these new biomarkers have been recommended by different guidelines, large prospective and comparative studies are necessary to establish their value in PCa detection and prognosis.
Collapse
Affiliation(s)
- Xavier Filella
- Department of Biochemistry and Molecular Genetics (CDB), Hospital Clínic, IDIBAPS, C/Villarroel, 170, 08036 Barcelona, Catalonia, Spain.
| | - Laura Foj
- Department of Biochemistry and Molecular Genetics (CDB), Hospital Clínic, IDIBAPS, C/Villarroel, 170, 08036 Barcelona, Catalonia, Spain.
| |
Collapse
|
105
|
Marlicz W, Sielatycka K, Serwin K, Kubis E, Tkacz M, Głuszko R, Białek A, Starzyńska T, Ratajczak MZ. Effect of colorectal cancer on the number of normal stem cells circulating in peripheral blood. Oncol Rep 2016; 36:3635-3642. [DOI: 10.3892/or.2016.5179] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 06/11/2016] [Indexed: 11/05/2022] Open
|
106
|
Gallo S, Gili M, Lombardo G, Rossetti A, Rosso A, Dentelli P, Togliatto G, Deregibus MC, Taverna D, Camussi G, Brizzi MF. Stem Cell-Derived, microRNA-Carrying Extracellular Vesicles: A Novel Approach to Interfering with Mesangial Cell Collagen Production in a Hyperglycaemic Setting. PLoS One 2016; 11:e0162417. [PMID: 27611075 PMCID: PMC5017750 DOI: 10.1371/journal.pone.0162417] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 08/22/2016] [Indexed: 12/20/2022] Open
Abstract
Extracellular vesicles (EVs) that are derived from stem cells are proving to be promising therapeutic options. We herein investigate the therapeutic potential of EVs that have been derived from different stem cell sources, bone-marrow (MSC) and human liver (HLSC), on mesangial cells (MCs) exposed to hyperglycaemia. By expressing a dominant negative STAT5 construct (ΔNSTAT5) in HG-cultured MCs, we have demonstrated that miR-21 expression is under the control of STAT5, which translates into Transforming Growth Factor beta (TGFβ) expression and collagen production. A number of approaches have been used to show that both MSC- and HLSC-derived EVs protect MCs from HG-induced damage via the transfer of miR-222. This resulted in STAT5 down-regulation and a decrease in miR-21 content, TGFβ expression and matrix protein synthesis within MCs. Moreover, we demonstrate that changes in the balance between miR-21 and miR-100 in the recipient cell, which are caused by the transfer of EV cargo, further contribute to providing beneficial effects. Interestingly, these effects were only detected in HG-cultured cells. Finally, it was found that HG reduced the expression of the nuclear encoded mitochondrial electron transport chain (ETC) components, CoxIV. It is worth noting that EV administration can rescue CoxIV expression in HG-cultured MCs. These results thus demonstrate that both MSC- and HLSC-derived EVs transfer the machinery needed to preserve MCs from HG-mediated damage. This occurs via the horizontal transfer of functional miR-222 which directly interferes with damaging cues. Moreover, our data indicate that the release of EV cargo into recipient cells provides additional therapeutic advantages against harmful mitochondrial signals.
Collapse
Affiliation(s)
- Sara Gallo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Maddalena Gili
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Giusy Lombardo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Alberto Rossetti
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Arturo Rosso
- Department of Medical Sciences, University of Turin, Turin, Italy
| | | | | | | | - Daniela Taverna
- Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Giovanni Camussi
- Department of Medical Sciences, University of Turin, Turin, Italy
| | | |
Collapse
|
107
|
Panagiotou N, Wayne Davies R, Selman C, Shiels PG. Microvesicles as Vehicles for Tissue Regeneration: Changing of the Guards. CURRENT PATHOBIOLOGY REPORTS 2016; 4:181-187. [PMID: 27882267 PMCID: PMC5101251 DOI: 10.1007/s40139-016-0115-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW Microvesicles (MVs) have been recognised as mediators of stem cell function, enabling and guiding their regenerative effects. RECENT FINDINGS MVs constitute one unique size class of extracellular vesicles (EVs) directly shed from the cell plasma membrane. They facilitate cell-to-cell communication via intercellular transfer of proteins, mRNA and microRNA (miRNA). MVs derived from stem cells, or stem cell regulatory cell types, have proven roles in tissue regeneration and repair processes. Their role in the maintenance of healthy tissue function throughout the life course and thus in age related health span remains to be elucidated. SUMMARY Understanding the biogenesis and mechanisms of action of MVs may enable the development of cell-free therapeutics capable of assisting in tissue maintenance and repair for a variety of age-related degenerative diseases. This review critically evaluates recent work published in this area and highlights important new findings demonstrating the use of MVs in tissue regeneration.
Collapse
Affiliation(s)
- Nikolaos Panagiotou
- Wolfson Wohl, Translational Research Centre, Institute of Cancer Sciences, MVLS, University of Glasgow, Garscube Estate, Switchback Road, Glasgow, G61 1QH UK
| | - R. Wayne Davies
- School of Informatics, Institute of Neural and Adaptive Computation, Informatics Forum, University of Edinburgh, 10 Crichton Street, Edinburgh, EH8 9AB UK
| | - Colin Selman
- Graham Kerr, Institute of Biodiversity Animal Health and Comparative Medicine, University of Glasgow, Glasgow, G12 8QQ UK
| | - Paul G. Shiels
- Wolfson Wohl, Translational Research Centre, Institute of Cancer Sciences, MVLS, University of Glasgow, Garscube Estate, Switchback Road, Glasgow, G61 1QH UK
| |
Collapse
|
108
|
Cretoiu D, Xu J, Xiao J, Cretoiu SM. Telocytes and Their Extracellular Vesicles-Evidence and Hypotheses. Int J Mol Sci 2016; 17:E1322. [PMID: 27529228 PMCID: PMC5000719 DOI: 10.3390/ijms17081322] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 07/25/2016] [Accepted: 07/26/2016] [Indexed: 12/18/2022] Open
Abstract
Entering the new millennium, nobody believed that there was the possibility of discovering a new cellular type. Nevertheless, telocytes (TCs) were described as a novel kind of interstitial cell. Ubiquitously distributed in the extracellular matrix of any tissue, TCs are regarded as cells with telopodes involved in intercellular communication by direct homo- and heterocellular junctions or by extracellular vesicle (EVs) release. Their discovery has aroused the interest of many research groups worldwide, and many researchers regard them as potentially regenerative cells. Given the experience of our laboratory, where these cells were first described, we review the evidence supporting the fact that TCs release EVs, and discuss alternative hypotheses about their future implications.
Collapse
Affiliation(s)
- Dragos Cretoiu
- Division of Cellular and Molecular Biology and Histology, Department of Morphological Sciences, Carol Davila University of Medicine and Pharmacy, Bucharest 050474, Romania.
- Victor Babeş National Institute of Pathology, Bucharest 050096, Romania.
| | - Jiahong Xu
- Department of Cardiology, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China.
| | - Junjie Xiao
- Cardiac Regeneration and Ageing Lab, Experimental Center of Life Sciences, School of Life Science, Shanghai University, Shanghai 200444, China.
| | - Sanda M Cretoiu
- Division of Cellular and Molecular Biology and Histology, Department of Morphological Sciences, Carol Davila University of Medicine and Pharmacy, Bucharest 050474, Romania.
- Victor Babeş National Institute of Pathology, Bucharest 050096, Romania.
| |
Collapse
|
109
|
Heegaard NHH, Carlsen AL, Lilje B, Ng KL, Rønne ME, Jørgensen HL, Sennels H, Fahrenkrug J. Diurnal Variations of Human Circulating Cell-Free Micro-RNA. PLoS One 2016; 11:e0160577. [PMID: 27494182 PMCID: PMC4975411 DOI: 10.1371/journal.pone.0160577] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 07/21/2016] [Indexed: 12/26/2022] Open
Abstract
A 24-hour light and dark cycle-dependent rhythmicity pervades physiological processes in virtually all living organisms including humans. These regular oscillations are caused by external cues to endogenous, independent biological time-keeping systems (clocks). The rhythm is reflected by gene expression that varies in a circadian and specific fashion in different organs and tissues and is regulated largely by dynamic epigenetic and post-transcriptional mechanisms. This leads to well-documented oscillations of specific electrolytes, hormones, metabolites, and plasma proteins in blood samples. An emerging, important class of gene regulators is short single-stranded RNA (micro-RNA, miRNA) that interferes post-transcriptionally with gene expression and thus may play a role in the circadian variation of gene expression. MiRNAs are promising biomarkers by virtue of their disease-specific tissue expression and because of their presence as stable entities in the circulation. However, no studies have addressed the putative circadian rhythmicity of circulating, cell-free miRNAs. This question is important both for using miRNAs as biological markers and for clues to miRNA function in the regulation of circadian gene expression. Here, we investigate 92 miRNAs in plasma samples from 24 young male, healthy volunteers repeatedly sampled 9 times during a 24-hour stay in a regulated environment. We demonstrate that a third (26/79) of the measurable plasma miRNAs (using RT-qPCR on a microfluidic system) exhibit a rhythmic behavior and are distributed in two main phase patterns. Some of these miRNAs weakly target known clock genes and many have strong targets in intracellular MAPK signaling pathways. These novel findings highlight the importance of considering bio-oscillations in miRNA biomarker studies and suggest the further study of a set of specific circulating miRNAs in the regulation and functioning of biological clocks.
Collapse
Affiliation(s)
- Niels H. H. Heegaard
- Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark
- Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, Odense, Denmark
- * E-mail:
| | - Anting Liu Carlsen
- Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark
- Department of Congenital Disorders, Statens Serum Institut, Copenhagen, Denmark
| | - Berit Lilje
- Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark
| | - Kim Lee Ng
- Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark
| | - Mette E. Rønne
- Department of Autoimmunology and Biomarkers, Statens Serum Institut, Copenhagen, Denmark
| | - Henrik L. Jørgensen
- Department of Clinical Biochemistry, Faculty of Health Science, Bispebjerg Hospital, University of Copenhagen, Denmark
| | - Henriette Sennels
- Department of Clinical Biochemistry, Faculty of Health Science, Rigshospitalet - Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Jan Fahrenkrug
- Department of Clinical Biochemistry, Faculty of Health Science, Bispebjerg Hospital, University of Copenhagen, Denmark
| |
Collapse
|
110
|
Cretoiu D, Xu J, Xiao J, Suciu N, Cretoiu SM. Circulating MicroRNAs as Potential Molecular Biomarkers in Pathophysiological Evolution of Pregnancy. DISEASE MARKERS 2016; 2016:3851054. [PMID: 27493447 PMCID: PMC4967453 DOI: 10.1155/2016/3851054] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Accepted: 06/15/2016] [Indexed: 12/17/2022]
Abstract
MicroRNAs represent nonprotein coding small RNA molecules that are very stable to degradation and responsible for gene silencing in most eukaryotic cells. Increased evidence has been accumulating over the years about their potential value as biomarkers for several diseases. MicroRNAs were predicted to be involved in nearly all biological processes from development to oncogenesis. In this review, we address the importance of circulating microRNAs in different conditions associated with pregnancy starting with the implantation period to preeclampsia and we shortly describe the correlation between placental circulating miRNAs and pregnancy status. We also discuss the importance of microRNAs in recurrent abortion and ectopic pregnancy.
Collapse
Affiliation(s)
- Dragos Cretoiu
- Division of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Victor Babeș National Institute of Pathology, 050096 Bucharest, Romania
| | - Jiahong Xu
- Department of Cardiology, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | - Junjie Xiao
- Regeneration and Ageing Lab, Experimental Center of Life Sciences, School of Life Science, Shanghai University, Shanghai 200444, China
| | - Nicolae Suciu
- Department of Obstetrics and Gynecology, Polizu Clinical Hospital, Carol Davila University of Medicine and Pharmacy, 011062 Bucharest, Romania
- Alessandrescu-Rusescu National Institute of Mother and Child Health, 020395 Bucharest, Romania
| | - Sanda Maria Cretoiu
- Division of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Victor Babeș National Institute of Pathology, 050096 Bucharest, Romania
| |
Collapse
|
111
|
Kinoshita T, Yip KW, Spence T, Liu FF. MicroRNAs in extracellular vesicles: potential cancer biomarkers. J Hum Genet 2016; 62:67-74. [PMID: 27383658 DOI: 10.1038/jhg.2016.87] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 06/09/2016] [Accepted: 06/10/2016] [Indexed: 12/20/2022]
Abstract
Extracellular vesicles (EV) are small membrane-bound structures that are secreted by various cell types, including tumor cells. Recent studies have shown that EVs are important for cell-to-cell communication, locally and distantly; horizontally transferring DNA, mRNA, microRNA (miRNA), proteins and lipids. In the context of cancer biology, tumor-derived EVs are capable of modifying the microenvironment, promoting tumor progression, immune evasion, angiogenesis and metastasis. miRNAs contained within EVs are functionally associated with cancer progression, metastasis and aggressive tumor phenotypes. These factors, along with their stability in bodily fluids, have led to extensive investigations on the potential role of circulating EV-derived miRNAs as tumor biomarkers. In this review, we summarize the current understanding of circulating EV miRNAs in human cancer, and discuss their clinical utility and challenges in functioning as biomarkers.
Collapse
Affiliation(s)
- Takashi Kinoshita
- Ontario Cancer Institute, University Health Network, Toronto, ON, Canada
| | - Kenneth W Yip
- Ontario Cancer Institute, University Health Network, Toronto, ON, Canada
| | - Tara Spence
- Ontario Cancer Institute, University Health Network, Toronto, ON, Canada.,Department of Radiation Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Fei-Fei Liu
- Ontario Cancer Institute, University Health Network, Toronto, ON, Canada.,Department of Radiation Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada.,Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| |
Collapse
|
112
|
Extracellular vesicles in renal tissue damage and regeneration. Eur J Pharmacol 2016; 790:83-91. [PMID: 27375075 DOI: 10.1016/j.ejphar.2016.06.058] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Revised: 06/10/2016] [Accepted: 06/30/2016] [Indexed: 12/22/2022]
Abstract
Extracellular vesicles (EVs) appear as important actors in cell-to-cell communication. EV content is characterized by proteins and RNA species that dynamically reflect cell and tissue state. Urinary EVs in particular may act in inter-nephron communication with possible beneficial or detrimental effects. Increasing interest is addressed to the pharmacological properties of EVs as a cell-free therapy, since several of the effects crAQ/tgqcedited to stem cells have been recapitulated by administration of their EVs. Preclinical data in models of renal damage indicate a general regenerative potential of EVs derived from mesenchymal stromal cells of different sources, including bone marrow, fetal tissues, urine and kidney. In this review we will discuss the results on the effect of EVs in repair of acute and chronic renal injury, and the mechanisms involved. In addition, we will analyse the strategies for EV pharmacological applications in renal regenerative medicine and limits and benefits involved.
Collapse
|
113
|
Hoefer IE. Beware of the content!-exosomes as benefactors and agitators. Cardiovasc Res 2016; 110:293-4. [PMID: 27102217 DOI: 10.1093/cvr/cvw088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Imo E Hoefer
- Laboratory of Clinical Chemistry and Hematology, UMC Utrecht, G03.550, Heidelberglaan 100, Utrecht 3584CX, The Netherlands
| |
Collapse
|