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Kugeratski FG, Santi A, Zanivan S. Extracellular vesicles as central regulators of blood vessel function in cancer. Sci Signal 2022; 15:eaaz4742. [PMID: 36166511 DOI: 10.1126/scisignal.aaz4742] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Blood vessels deliver oxygen and nutrients that sustain tumor growth and enable the dissemination of cancer cells to distant sites and the recruitment of intratumoral immune cells. In addition, the structural and functional abnormalities of the tumor vasculature foster the development of an aggressive tumor microenvironment and impair the efficacy of existing cancer therapies. Extracellular vesicles (EVs) have emerged as major players of tumor progression, and a growing body of evidence has demonstrated that EVs derived from cancer cells trigger multiple responses in endothelial cells that alter blood vessel function in tumors. EV-mediated signaling in endothelial cells can occur through the transfer of functional cargos such as miRNAs, lncRNAs, cirRNAs, and proteins. Moreover, membrane-bound proteins in EVs can elicit receptor-mediated signaling in endothelial cells. Together, these mechanisms reprogram endothelial cells and contribute to the sustained exacerbated angiogenic signaling typical of tumors, which, in turn, influences cancer progression. Targeting these angiogenesis-promoting EV-dependent mechanisms may offer additional strategies to normalize tumor vasculature. Here, we discuss the current knowledge pertaining to the contribution of cancer cell-derived EVs in mechanisms regulating blood vessel functions in tumors. Moreover, we discuss the translational opportunities in targeting the dysfunctional tumor vasculature using EVs and highlight the open questions in the field of EV biology that can be addressed using mass spectrometry-based proteomics analysis.
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Affiliation(s)
- Fernanda G Kugeratski
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Alice Santi
- Department of Experimental and Clinical Biomedical Sciences, Università degli Studi di Firenze, 50134 Firenze, Italy
| | - Sara Zanivan
- CRUK Beatson Institute, Switchback Road, Glasgow G61 1BD, UK
- School of Cancer Sciences, University of Glasgow, Switchback Road, Glasgow G61 1QH, UK
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Yin Z, Fan J, Xu J, Wu F, Li Y, Zhou M, Liao T, Duan L, Wang S, Geng W, Jin Y. Immunoregulatory Roles of Extracellular Vesicles and Associated Therapeutic Applications in Lung Cancer. Front Immunol 2020; 11:2024. [PMID: 32983146 PMCID: PMC7483575 DOI: 10.3389/fimmu.2020.02024] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/27/2020] [Indexed: 12/24/2022] Open
Abstract
Lung cancer represents a fatal condition that has the highest morbidity and mortality among malignancies. The currently available treatments fall short of improving the survival and quality of life of late-stage lung cancer patients. Extracellular vesicles (EVs) secreted by tumors or immune cells transport proteins, lipids, and nucleic acids to other cells, thereby mediating immune regulation in the tumor microenvironment. The cargo carried by EVs vary by cellular state or extracellular milieu. So far, multiple studies have suggested that EVs from lung tumor cells (TEVs) or immune cells promote tumor progression mainly through suppressing antitumor immunity. However, modified or engineered EVs can be used as vaccines to elicit antitumor immunity. In addition, blocking the function of immunosuppressive EVs and using EVs carrying immunogenic medicine or EVs from certain immune cells also shows great potential in lung cancer treatment. To provide information for future studies on the role of EVs in lung cancer immunity, this review focus on the immunoregulatory role of EVs and associated treatment applications in lung cancer.
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Affiliation(s)
- Zhengrong Yin
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinshuo Fan
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juanjuan Xu
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Wu
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Li
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mei Zhou
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Liao
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Limin Duan
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sufei Wang
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Geng
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Jin
- NHC Key Laboratory of Pulmonary Diseases, Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Qiu Q, Dan X, Yang C, Hardy P, Yang Z, Liu G, Xiong W. Increased airway T lymphocyte microparticles in chronic obstructive pulmonary disease induces airway epithelial injury. Life Sci 2020; 261:118357. [PMID: 32861794 DOI: 10.1016/j.lfs.2020.118357] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 08/25/2020] [Indexed: 01/06/2023]
Abstract
In our previous study, T lymphocyte microparticles (TLMPs) originated from CEM T lymphoblast-like cell line induced enhanced production of inflammation-associated cytokines and apoptosis in human bronchial epithelial cells (HBEs). To measure TLMP subpopulations in bronchoalveolar lavage fluids (BALF) from patients with chronic obstructive pulmonary disease (COPD), and to explore the effects of MPs derived from different T cell subpopulations on airway epithelium, this study was conducted. A hospital-based case-control study including 47 COPD patients and 28 healthy volunteers was performed. The cellular origins of MPs from airway in COPD and controls were evaluated using flow cytometry. CD4+ or CD8+ TLMPs were isolated by MACS to investigate their effects on HBEs in vitro. The numbers of MPs derived from T lymphocytes in BALF as well as these subpopulations (CD4+ and CD8+ T lymphocytes) were significantly upregulated in COPD patients compared with healthy volunteers. However, there was no significant difference between stable COPD and patients with acute exacerbation. Additionally, significant correlation between CD4+ and CD8+ TLMPs was observed, however neither type nor total level of TLMPs was correlated with any base parameter. Furthermore, isolated CD4+ and CD8+ TLMPs reduced cell viability and induced significant production of inflammatory cytokines including interleukin (IL)-6, monocyte chemoattractant protein (MCP)-1, MCP-2, matrix metallopeptidase (MMP)-9 and tumor necrosis factor-alpha (TNF-α) in HBEs, while the levels of anti-inflammatory cytokine IL-10 were decreased. TLMPs in the airways, as putative biomarkers, may lead to airway epithelial injury and inflammation and serve essential roles in the pathophysiology of COPD.
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Affiliation(s)
- Qian Qiu
- Department of Geriatrics, Southwest Hospital, Army Medical University, Chongqing, China; Research Institute of Tuberculosis, Chongqing Public Health Medical Center, Chongqing, China
| | - Xiaoping Dan
- Department of Geriatrics, Southwest Hospital, Army Medical University, Chongqing, China
| | - Chun Yang
- Department of Pediatrics and Pharmacology, Research Center of CHU Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Pierre Hardy
- Department of Pediatrics and Pharmacology, Research Center of CHU Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Zaixing Yang
- Department of Geriatrics, Southwest Hospital, Army Medical University, Chongqing, China
| | - Guoxiang Liu
- Department of Respiratory Medicine, Southwest Hospital, Army Medical University, Chongqing, China.
| | - Wei Xiong
- Department of Geriatrics, Southwest Hospital, Army Medical University, Chongqing, China
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Ko SY, Naora H. Extracellular Vesicle Membrane-Associated Proteins: Emerging Roles in Tumor Angiogenesis and Anti-Angiogenesis Therapy Resistance. Int J Mol Sci 2020; 21:E5418. [PMID: 32751440 PMCID: PMC7432555 DOI: 10.3390/ijms21155418] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 12/11/2022] Open
Abstract
The tumor vasculature is essential for tumor growth and metastasis, and is a prime target of several anti-cancer agents. Increasing evidence indicates that tumor angiogenesis is stimulated by extracellular vesicles (EVs) that are secreted or shed by cancer cells. These EVs encapsulate a variety of biomolecules with angiogenic properties, and have been largely thought to stimulate vessel formation by transferring this luminal cargo into endothelial cells. However, recent studies have revealed that EVs can also signal to recipient cells via proteins on the vesicular surface. This review discusses and integrates emerging insights into the diverse mechanisms by which proteins associate with the EV membrane, the biological functions of EV membrane-associated proteins in tumor angiogenesis, and the clinical significance of these proteins in anti-angiogenic therapy.
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Affiliation(s)
| | - Honami Naora
- Department of Molecular and Cellular Oncology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
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Ni M, Liu X, Meng Z, Liu S, Jia S, Liu Y, Zhou W, Wu J, Zhang J, Guo S, Li J, Wang H, Zhang X. A bioinformatics investigation into the pharmacological mechanisms of javanica oil emulsion injection in non-small cell lung cancer based on network pharmacology methodologies. BMC Complement Med Ther 2020; 20:174. [PMID: 32503508 PMCID: PMC7275405 DOI: 10.1186/s12906-020-02939-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 04/27/2020] [Indexed: 02/07/2023] Open
Abstract
Background Javanica oil emulsion injection (JOEI) is an effective therapeutic option for patients with non-small cell lung cancer (NSCLC), but its mechanisms have not been fully elucidated. Methods In this study, we utilized network pharmacology to systematically investigate the bioactive components and targets of JOEI, identify common targets in NSCLC, and understand and evaluate the underlying mechanism of JOEI in the treatment of NSCLC through expression level, correlation, enrichment, Cox, survival and molecular docking analyses. The results indicated that five compounds of JOEI interact with five pivotal targets (LDLR, FABP4, ABCB1, PTGS2, and SDC4) that might be strongly correlated with the JOEI-mediated treatment of NSCLC. Results The expression level analysis demonstrated that NSCLC tissues exhibit low expression of FABP4, ABCB1, LDLR and PTGS2 and high SDC4 expression. According to the correlation analysis, a decrease in FABP4 expression was strongly correlated with decreases in LDLR and ABCB1, and a decrease in LDLR was strongly correlated with decreased PTGS2 and increased in SDC4 expression. Cox and survival analyses showed that the survival rate of the high-risk group was significantly lower than that of the low-risk group (p = 0.00388). In the survival analysis, the area under the curve (AUC) showed that the pivotal gene model exhibited the best predictive capacity over 4 years (AUC = 0.613). Moreover, the molecular docking analysis indicated that LDLR, FABP4, ABCB1, PTGS2 and SDC4 exhibit good binding activity with the corresponding compounds. Conclusion In conclusion, this study predicted and verified that the mechanism of JOEI against NSCLC involves multiple targets and signaling pathways. Furthermore, this study provides candidate targets for the treatment of NSCLC, lays a good foundation for further experimental research and promotes the reasonable application of JOEI in clinical treatment.
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Affiliation(s)
- Mengwei Ni
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Xinkui Liu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Ziqi Meng
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Shuyu Liu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Shanshan Jia
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Yingying Liu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Wei Zhou
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Jiarui Wu
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China.
| | - Jingyuan Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Siyu Guo
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Jialin Li
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Haojia Wang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
| | - Xiaomeng Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Materia Medica, Beijing University of Chinese Medicine, No. 11 of North Three-ring East Road, Chao Yang District, Beijing, China
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Yang C, Shani S, Tahiri H, Ortiz C, Gu M, Lavoie JC, Croteau S, Hardy P. Extracellular microparticles exacerbate oxidative damage to retinal pigment epithelial cells. Exp Cell Res 2020; 390:111957. [PMID: 32173468 DOI: 10.1016/j.yexcr.2020.111957] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 02/28/2020] [Accepted: 03/11/2020] [Indexed: 12/21/2022]
Abstract
Oxidative stress-induced retinal pigment epithelial cell (RPE) dysfunction is a primary contributing factor to early dry age-related macular degeneration (AMD). Oxidative injury to the retina may promote extracellular vesicles (EVs) released from RPE. In this study, we investigated the effects of oxidative-induced RPE cell-derived microparticles (RMPs) on RPE cell functions. The oxidative stress induced more RMPs released from RPE cells in vitro and in vivo, and significant more RMPs were released from aged RPE cells than that from younger RPE cells. RMPs were taken up by RPE cells in a time-dependent manner; however, blockage of CD36 attenuated the uptake process. Furthermore, the decrease of RPE cell viability by RMPs treatment was associated with an increased expression of cyclin-dependent kinase inhibitors p15 and p21. RMPs enhanced senescence and interrupted phagocytic activity of RPE cells as well. The present study demonstrated that RMPs produce a strong effect of inducing RPE cell degeneration. This finding further supports the postulate that RMPs exacerbate oxidative stress damage to RPE cells, which may uncover a potentially relevant process in the genesis of dry AMD.
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Affiliation(s)
- Chun Yang
- Departments of Pediatrics, Pharmacology and Physiology, University of Montréal, Montréal, H3T 1C5, Canada
| | - Saeideh Shani
- Departments of Pediatrics, Pharmacology and Physiology, University of Montréal, Montréal, H3T 1C5, Canada
| | - Houda Tahiri
- Departments of Pediatrics, Pharmacology and Physiology, University of Montréal, Montréal, H3T 1C5, Canada
| | - Christina Ortiz
- Departments of Pediatrics, Pharmacology and Physiology, University of Montréal, Montréal, H3T 1C5, Canada
| | - Muqing Gu
- Department of Gynecological Endocrinology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | | | - Stéphane Croteau
- Department of Medicine, University of Montréal, Montréal, H3T 1C5, Canada
| | - Pierre Hardy
- Departments of Pediatrics, Pharmacology and Physiology, University of Montréal, Montréal, H3T 1C5, Canada.
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Molecular Mechanisms Underpinning Microparticle-Mediated Cellular Injury in Cardiovascular Complications Associated with Diabetes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6475187. [PMID: 30915196 PMCID: PMC6399542 DOI: 10.1155/2019/6475187] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Accepted: 01/13/2019] [Indexed: 12/15/2022]
Abstract
Microparticles (MPs) are small vesicles shed from the cytoplasmic membrane of healthy, activated, or apoptotic cells. MPs are very heterogeneous in size (100–1,000 nm), and they harbor proteins and surface antigens specific to cells they originate from. Virtually, all cells can shed MPs, and therefore, they can be found in all body fluids, but also entrapped in tissues. Of interest and because of their easy detection using a variety of techniques, circulating MPs were recognized as biomarkers for cell activation. MPs were also found to mediate critical actions in intercellular communication and transmitting biological messages by acting as paracrine vehicles. High plasma numbers of MPs were reported in many cardiovascular and metabolic disturbances that are closely associated with insulin resistance and low-grade inflammation and have been linked to adverse actions on cardiovascular function. This review highlights the involvement of MPs in cardiovascular complications associated with diabetes and discusses the molecular mechanisms that underpin the pathophysiological role of MPs in the onset and progression of cellular injury in diabetes.
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Tabatabaei SN, Derbali RM, Yang C, Superstein R, Hamel P, Chain JL, Hardy P. Co-delivery of miR-181a and melphalan by lipid nanoparticles for treatment of seeded retinoblastoma. J Control Release 2019; 298:177-185. [PMID: 30776396 DOI: 10.1016/j.jconrel.2019.02.014] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 12/31/2018] [Accepted: 02/12/2019] [Indexed: 01/26/2023]
Abstract
Melphalan is an efficient chemotherapeutic agent that is currently used to treat retinoblastoma (Rb); however, the inherent risk of immunogenicity and the hazardous integration of this drug in healthy cells is inevitable. MicroRNAs are short non-coding single-stranded RNAs that affect a vast range of biological processes. Previously, we focused on the regulatory role of miR-181a during cancer development and progression. In this manuscript, 171 nm switchable lipid nanoparticles (LNP) co-delivered melphalan and miR-181a with encapsulation efficiencies of 93%. Encapsulation of melphalan in LNP significantly improved its therapeutic efficiency. Gene analysis shows that miR-181a decreases the expression of anti-proliferative gene MAPK1 and anti-apoptotic gene Bcl-2, but significantly increased the expression of pro-apoptotic gene BAX. Our results suggest that the two agents have a complementary effect in reducing the viability of cultured Rb cells (primary and cell line) and decreasing Rb cell counts in an in-vivo xenograft Rb model in rats. Our results suggest that the proposed co-delivery technique significantly increases the therapeutic impact, allows for lower administration of melphalan, and consequently, could minimize the cytotoxic side-effects of this drug.
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Affiliation(s)
- Seyed Nasrollah Tabatabaei
- Departments of Pediatrics, Physiology and Pharmacology, University of Montréal, Montréal, QC, Canada; Department of Nanomedicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Rabeb Mouna Derbali
- Gene Delivery Laboratory, Faculty of Pharmacy, University of Montréal, Montréal, QC, Canada
| | - Chun Yang
- Departments of Pediatrics, Physiology and Pharmacology, University of Montréal, Montréal, QC, Canada
| | - Rosanne Superstein
- Department of Ophthalmology, University of Montréal, Montréal, QC, Canada
| | - Patrick Hamel
- Department of Ophthalmology, University of Montréal, Montréal, QC, Canada
| | - Jeanne Leblond Chain
- Gene Delivery Laboratory, Faculty of Pharmacy, University of Montréal, Montréal, QC, Canada
| | - Pierre Hardy
- Departments of Pediatrics, Physiology and Pharmacology, University of Montréal, Montréal, QC, Canada.
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Najjar F, Alammar M, Al-Massarani G, Almalla N, Japawe A, Ikhtiar A. Circulating endothelial cells and microparticles as diagnostic and prognostic biomarkers in small-cell lung cancer. Lung Cancer 2018; 124:23-30. [PMID: 30268466 DOI: 10.1016/j.lungcan.2018.06.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 05/31/2018] [Accepted: 06/29/2018] [Indexed: 01/08/2023]
Abstract
OBJECTIVES It has been proposed that circulating endothelial cells (CECs) and microparticles (MPs) may be useful for the assessment of patients with non-small-cell lung cancer (NSCLC). However, little is known about the potential clinical relevance of these biomarkers in small-cell lung cancer (SCLC). Therefore, we investigated the utility of baseline levels of CECs and MPs in SCLC patients. MATERIALS AND METHODS An immunomagnetic separation (IMS) technique was used to isolate and quantify CECs in the peripheral blood, while plasma samples were analyzed using flow cytometry for the measurement of circulating MPs. RESULTS We prospectively collected data from 56 patients and 41 healthy individuals. Forty-three patients presented at initial diagnosis and 13 patients presented at relapse. Baseline levels of CECs and MPs were significantly higher in SCLC patients either at initial diagnosis or at relapse than in healthy subjects (p < 0.0002 and p < 0.007, respectively). However, estimated tumor volume (ETV) was significantly correlated with basal MP values (p < 0.0001) but not with pretreatment CECs (p = 0.57). The amount of baseline CECs and MPs was significantly lower in patients with an objective response (OR, n = 23) than in those with progressive disease (PD, n = 15) after treatment (p = 0.016 and 0.05, respectively). With cut-off values of 110 cells/mL for CECs and 1257 events/μL for MPs according to receiver operating characteristics (ROC) analysis, baseline levels of these biomarkers were not significantly correlated with either progression-free survival (PFS) or overall survival (OS). However, patients with 6-month PFS displayed significantly decreased pretreatment CEC counts (p = 0.042), whereas basal MP values significantly increased in 1-year survivors compared with those in non-survivors (p = 0.05). CONCLUSION Our results suggest that baseline CECs and MPs may be predictive biomarkers of tumor response and long-term survival in SCLC patients.
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Affiliation(s)
- Fadi Najjar
- Biomarkers Laboratory, Radiation Medicine Department, Atomic Energy Commission of Syria (AECS), 17 Nissan Street, P.O. Box 6091, Damascus, Syria.
| | - Moosheer Alammar
- Division of Thoracic Oncology, Oncology Department, Albairouni University Hospital, Hall 2 (A 30/3), Homs Harasta Road, Damascus, Syria
| | - Ghassan Al-Massarani
- Biomarkers Laboratory, Radiation Medicine Department, Atomic Energy Commission of Syria (AECS), 17 Nissan Street, P.O. Box 6091, Damascus, Syria
| | - Nissreen Almalla
- Biomarkers Laboratory, Radiation Medicine Department, Atomic Energy Commission of Syria (AECS), 17 Nissan Street, P.O. Box 6091, Damascus, Syria
| | - Abdulmunim Japawe
- Radiobiology Laboratory, Biotechnology Department, Atomic Energy Commission of Syria (AECS), 17 Nissan Street, P.O. Box 6091, Damascus, Syria
| | - Adnan Ikhtiar
- Radiobiology Laboratory, Biotechnology Department, Atomic Energy Commission of Syria (AECS), 17 Nissan Street, P.O. Box 6091, Damascus, Syria
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Yang C, Tahiri H, Cai C, Gu M, Gagnon C, Hardy P. microRNA-181a inhibits ocular neovascularization by interfering with vascular endothelial growth factor expression. Cardiovasc Ther 2018; 36:e12329. [PMID: 29608244 DOI: 10.1111/1755-5922.12329] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 03/13/2018] [Accepted: 03/26/2018] [Indexed: 12/24/2022] Open
Abstract
AIM Excess angiogenesis or neovascularization plays a key role in the pathophysiology of several ocular diseases such as retinopathy of prematurity, diabetic retinopathy, and exudative age-related macular degeneration. microRNA-181a (miR-181a) was found highly expressed in retina and choroidal tissues. This study intends to investigate the role of miR-181a in the regulation of ocular neovascularization in different pathophysiological conditions. METHOD We performed the RNA sequence to identify the microRNAs components of anti-angiogenic lymphocyte-derived microparticles (LMPs). The effect of miR-181a on human retinal endothelial cells proliferation was assessed in vitro. The impact of miR-181a on angiogenesis was confirmed using in vitro angiogenesis assay, ex vivo choroidal explant, and in vivo retinal neovascularization. The expression of major angiogenic factors was assessed by real-time qPCR. RESULTS RNA sequence revealed that miR-181a is selectively enriched in LMPs. Importantly, the inhibition of miR-181a significantly abrogated the effect of LMPs on endothelial viability, but overexpression of miR-181a reduced endothelial cell viability in a dose-dependent manner. miR-181a strongly inhibited in vitro angiogenesis and ex vivo choroidal neovascularization. The strong anti-angiogenic effect of miR-181a was also displayed on the retinal neovascularization of the in vivo mouse model of oxygen-induced retinopathy. In keeping with its effect, several angiogenesis-related genes were dysregulated in the miR-181a overexpressed endothelial cells. CONCLUSION These data may open unexpected avenues for the development of miR-181a as a novel therapeutic strategy that would be particularly useful and relevant for the treatment of neovascular diseases.
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Affiliation(s)
- Chun Yang
- Departments of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, QC, Canada
| | - Houda Tahiri
- Departments of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, QC, Canada
| | - Chenrongrong Cai
- Departments of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, QC, Canada
| | - Muqing Gu
- Department of Gynecological Endocrinology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - Carmen Gagnon
- Departments of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, QC, Canada
| | - Pierre Hardy
- Departments of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, QC, Canada
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Badimon L, Suades R, Arderiu G, Peña E, Chiva-Blanch G, Padró T. Microvesicles in Atherosclerosis and Angiogenesis: From Bench to Bedside and Reverse. Front Cardiovasc Med 2017; 4:77. [PMID: 29326946 PMCID: PMC5741657 DOI: 10.3389/fcvm.2017.00077] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 11/22/2017] [Indexed: 12/28/2022] Open
Abstract
Atherosclerosis (AT) is a progressive chronic disease involving lipid accumulation, fibrosis, and inflammation in medium and large-sized arteries, and it is the main cause of cardiovascular disease (CVD). AT is caused by dyslipidemia and mediated by both innate and adaptive immune responses. Despite lipid-lowering drugs have shown to decrease the risk of cardiovascular events (CVEs), there is a significant burden of AT-related morbidity and mortality. Identification of subjects at increased risk for CVE as well as discovery of novel therapeutic targets for improved treatment strategies are still unmet clinical needs in CVD. Microvesicles (MVs), small extracellular plasma membrane particles shed by activated and apoptotic cells have been widely linked to the development of CVD. MVs from vascular and resident cells by facilitating exchange of biological information between neighboring cells serve as cellular effectors in the bloodstream and play a key role in all stages of disease progression. This article reviews the current knowledge on the role of MVs in AT and CVD. Attention is focused on novel aspects of MV-mediated regulatory mechanisms from endothelial dysfunction, vascular wall inflammation, oxidative stress, and apoptosis to coagulation and thrombosis in the progression and development of atherothrombosis. MV contribution to vascular remodeling is also discussed, with a particular emphasis on the effect of MVs on the crosstalk between endothelial cells and smooth muscle cells, and their role regulating the active process of AT-driven angiogenesis and neovascularization. This review also highlights the latest findings and main challenges on the potential prognostic, diagnostic, and therapeutic value of cell-derived MVs in CVD. In summary, MVs have emerged as new regulators of biological functions in atherothrombosis and might be instrumental in cardiovascular precision medicine; however, significant efforts are still needed to translate into clinics the latest findings on MV regulation and function.
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Affiliation(s)
- Lina Badimon
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
- Cardiovascular Research Chair, UAB, Barcelona, Spain
| | - Rosa Suades
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
| | - Gemma Arderiu
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
| | - Esther Peña
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
| | - Gemma Chiva-Blanch
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
| | - Teresa Padró
- Cardiovascular Research Center (ICCC) and CiberCV, Sant Pau Biomedical Research Institute (IIB-Sant Pau), Barcelona, Spain
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12
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Renaud-Picard B, Toussaint J, Leclercq A, Reeb J, Kessler L, Toti F, Kessler R. [Membranous microparticles and respiratory disease]. Rev Mal Respir 2017; 34:1058-1071. [PMID: 29132745 DOI: 10.1016/j.rmr.2017.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 05/05/2017] [Indexed: 01/30/2023]
Abstract
Microparticles (MP) are plasmic membrane fragments released from cells after physiological stimulation or stress conditions like inflammation or infection. Their production is correlated to the rate of cell apoptosis. All types of cells can produce MP but they are produced mainly by platelets, endothelial cells, and leukocytes. They carry many bio-active molecules on their surface, specific to the parental cell, giving them the ability to be biomarkers and bio-effectors. MP are present in circulating blood, tissues and many biological fluids. Circulating MP levels can change during the course of many diseases. They have been the subject of many studies in the fields of cardiovascular disease and oncology. In the lungs, they are present in circulating blood and in the airways. They seem to have a role in pulmonary homeostasis in physiological situations and also in the expression of several disease processes. In this review of the literature, we were interested in the quantitative and qualitative variations in MP and their impact in airway diseases like chronic obstructive pulmonary disease (COPD) and asthma, pulmonary fibrosis and pulmonary hypertension.
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Affiliation(s)
- B Renaud-Picard
- Service de pneumologie, nouvel hôpital Civil, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67000 Strasbourg, France; EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France.
| | - J Toussaint
- EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
| | - A Leclercq
- Service de pneumologie, nouvel hôpital Civil, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67000 Strasbourg, France; EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
| | - J Reeb
- EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
| | - L Kessler
- EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
| | - F Toti
- EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
| | - R Kessler
- Service de pneumologie, nouvel hôpital Civil, hôpitaux universitaires de Strasbourg, 1, place de l'Hôpital, 67000 Strasbourg, France; EA 7293, fédération de médecine translationnelle, université de Strasbourg, 67000 Strasbourg, France
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13
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Ko SF, Yip HK, Zhen YY, Lee CC, Li JH, Lee CC, Leu S, Huang CC, Ng SH, Lin JW. Cancer Patient-Derived Circulating Microparticles Enhance Lung Metastasis in a Rat Model: Dual-Source CT, Cellular, and Molecular Studies. Mol Imaging Biol 2017; 18:490-9. [PMID: 26669780 DOI: 10.1007/s11307-015-0923-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE This study aimed to test the hypothesis that lung cancer patient-derived circulating microparticles (LCC-MPs) enhance metastatic lung tumors in a rat model. PROCEDURES The controls (n = 6) and LCC-MP-treated rats (n = 6) with N1S1-induced pulmonary metastatic hepatocellular carcinoma (HCC) underwent dual-source CT (DSCT) on days 10, 15, and 20. Cellular and molecular studies were performed subsequently. RESULTS DSCT revealed slow progression of metastatic lung tumors in the controls. Compared with the controls, the LCC-MP-treated rats exhibited significantly more and larger metastatic tumors on days 15 and 20 on DSCT, enhanced angiogenesis with higher microvessel count (CD34+), more CXCR4+ and VEGF+ cells in immunohistofluorescence studies, and higher protein expression levels of eNOS, angiopoietin, vascular endothelial growth factor, and CD31 on western blotting (Mann-Whitney test, all P < 0.05). CONCLUSIONS LCC-MPs can elicit oncogenic stimulation and accelerate metastatic HCC growth in rat lung as demonstrated on DSCT and enhanced tumoral angiogenesis as confirmed in cellular and molecular studies.
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Affiliation(s)
- Sheung-Fat Ko
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123 Ta-Pei Road, Niao-Sung District, Kaohsiung, 833, Taiwan.
| | - Hon-Kan Yip
- Department of Cardiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 833, Taiwan
| | - Yen-Yi Zhen
- Department of Medical Researches, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 833, Taiwan
| | - Chia-Chang Lee
- Department of Medical Researches, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 833, Taiwan
| | - Jung-Hui Li
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123 Ta-Pei Road, Niao-Sung District, Kaohsiung, 833, Taiwan
| | - Chen-Chang Lee
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123 Ta-Pei Road, Niao-Sung District, Kaohsiung, 833, Taiwan.,Center for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 833, Taiwan
| | - Steve Leu
- Department of Pathology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, 833, Taiwan
| | - Chung-Cheng Huang
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123 Ta-Pei Road, Niao-Sung District, Kaohsiung, 833, Taiwan
| | - Shu-Hang Ng
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, 123 Ta-Pei Road, Niao-Sung District, Kaohsiung, 833, Taiwan
| | - Jui-Wei Lin
- Department of Biomedical Engineering, I-Shou University, Kaohsiung, 833, Taiwan
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14
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Lu CC, Ma KL, Ruan XZ, Liu BC. The Emerging Roles of Microparticles in Diabetic Nephropathy. Int J Biol Sci 2017; 13:1118-1125. [PMID: 29104503 PMCID: PMC5666327 DOI: 10.7150/ijbs.21140] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/23/2017] [Indexed: 12/24/2022] Open
Abstract
Microparticles (MPs) are a type of extracellular vesicles (EVs) shed from the outward budding of plasma membranes during cell apoptosis and/or activation. These microsized particles then release specific contents (e.g., lipids, proteins, microRNAs) which are active participants in a wide range of both physiological and pathological processes at the molecular level, e.g., coagulation and angiogenesis, inflammation, immune responses. Research limitations, such as confusing nomenclature and overlapping classification, have impeded our comprehension of these tiny molecules. Diabetic nephropathy (DN) is currently the greatest contributor to end-stage renal diseases (ESRD) worldwide, and its public health impact will continue to grow due to the persistent increase in the prevalence of diabetes mellitus (DM). MPs have recently been considered as potentially involved in DN onset and progression, and this review juxtaposes some of the research updates about the possible mechanisms from several relevant aspects and insights into the therapeutic perspectives of MPs in clinical management and pharmacological treatment of DN patients.
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Affiliation(s)
- Chen Chen Lu
- Institute of Nephrology, Zhong Da Hospital, School of Medicine, Southeast University, Nanjing City, Jiangsu Province, China
| | - Kun Ling Ma
- Institute of Nephrology, Zhong Da Hospital, School of Medicine, Southeast University, Nanjing City, Jiangsu Province, China
| | - Xiong Zhong Ruan
- Centre for Nephrology, University College London (UCL) Medical School, Royal Free Campus, UK
| | - Bi Cheng Liu
- Institute of Nephrology, Zhong Da Hospital, School of Medicine, Southeast University, Nanjing City, Jiangsu Province, China
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15
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Abstract
During the past decade, extracellular vesicles (EVs), which include apoptotic bodies, microvesicles, and exosomes, have emerged as important players in cell-to-cell communication in normal physiology and pathological conditions. EVs encapsulate and convey various bioactive molecules that are further transmitted to neighboring or more distant cells, where they induce various signaling cascades. The message delivered to the target cells is dependent on EV composition, which, in turn, is determined by the cell of origin and the surrounding microenvironment during EV biogenesis. Among their multifaceted role in the modulation of biological responses, the involvement of EVs in vascular development, growth, and maturation has been widely documented and their potential therapeutic application in regenerative medicine or angiogenesis-related diseases is drawing increasing interest. EVs derived from various cell types have the potential to deliver complex information to endothelial cells and to induce either pro- or antiangiogenic signaling. As dynamic systems, in response to changes in the microenvironment, EVs adapt their cargo composition to fine-tune the process of blood vessel formation. This article reviews the current knowledge on the role of microvesicles and exosomes from various cellular origins in angiogenesis, with a particular emphasis on the underlying mechanisms, and discusses the main challenges and prerequisites for their therapeutic applications.
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Affiliation(s)
- Dilyana Todorova
- From the Aix-Marseille Univ, INSERM, VRCM, UMR_S 1076, Marseille, France (D.T., S.S., R.L., F.S., F.D.-G.); APHM, CHU de la Conception, Service d'Hématologie, Marseille, France (R.L., F.D.-G.); and APHM, CHU de la Conception, Laboratoire de Culture et Thérapie Cellulaire, INSERM, UMR_S 1076, CBT1409, Marseille, France (F.S.)
| | - Stéphanie Simoncini
- From the Aix-Marseille Univ, INSERM, VRCM, UMR_S 1076, Marseille, France (D.T., S.S., R.L., F.S., F.D.-G.); APHM, CHU de la Conception, Service d'Hématologie, Marseille, France (R.L., F.D.-G.); and APHM, CHU de la Conception, Laboratoire de Culture et Thérapie Cellulaire, INSERM, UMR_S 1076, CBT1409, Marseille, France (F.S.)
| | - Romaric Lacroix
- From the Aix-Marseille Univ, INSERM, VRCM, UMR_S 1076, Marseille, France (D.T., S.S., R.L., F.S., F.D.-G.); APHM, CHU de la Conception, Service d'Hématologie, Marseille, France (R.L., F.D.-G.); and APHM, CHU de la Conception, Laboratoire de Culture et Thérapie Cellulaire, INSERM, UMR_S 1076, CBT1409, Marseille, France (F.S.)
| | - Florence Sabatier
- From the Aix-Marseille Univ, INSERM, VRCM, UMR_S 1076, Marseille, France (D.T., S.S., R.L., F.S., F.D.-G.); APHM, CHU de la Conception, Service d'Hématologie, Marseille, France (R.L., F.D.-G.); and APHM, CHU de la Conception, Laboratoire de Culture et Thérapie Cellulaire, INSERM, UMR_S 1076, CBT1409, Marseille, France (F.S.).
| | - Françoise Dignat-George
- From the Aix-Marseille Univ, INSERM, VRCM, UMR_S 1076, Marseille, France (D.T., S.S., R.L., F.S., F.D.-G.); APHM, CHU de la Conception, Service d'Hématologie, Marseille, France (R.L., F.D.-G.); and APHM, CHU de la Conception, Laboratoire de Culture et Thérapie Cellulaire, INSERM, UMR_S 1076, CBT1409, Marseille, France (F.S.)
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16
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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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17
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Safiedeen Z, Rodríguez-Gómez I, Vergori L, Soleti R, Vaithilingam D, Douma I, Agouni A, Leiber D, Dubois S, Simard G, Zibara K, Andriantsitohaina R, Martínez MC. Temporal Cross Talk Between Endoplasmic Reticulum and Mitochondria Regulates Oxidative Stress and Mediates Microparticle-Induced Endothelial Dysfunction. Antioxid Redox Signal 2017; 26:15-27. [PMID: 27392575 DOI: 10.1089/ars.2016.6771] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
AIMS Circulating microparticles (MPs) from metabolic syndrome patients and those generated from apoptotic T cells induce endothelial dysfunction; however, the molecular and cellular mechanism(s) underlying in the effects of MPs remain to be elucidated. RESULTS Here, we show that both types of MPs increased expression of endoplasmic reticulum (ER) stress markers, X-box binding protein 1, p-eukaryotic translation initiation factor 2 α, and CHOP, and nuclear translocation of activating transcription factor 6 on human aortic endothelial cells (HAoECs). MPs decreased in vitro nitric oxide release by HAoECs, whereas in vivo MP injection into mice impaired the endothelium-dependent relaxation induced by acetylcholine. These effects were prevented when ER stress was inhibited, suggesting that ER stress is implicated in the endothelial effects induced by MPs. MPs affected mitochondrial function and evoked sequential increase of cytosolic and mitochondrial reactive oxygen species (ROS). Pharmacological inhibition of ER stress and silencing of neutral sphingomyelinase (SMase) with siRNA abrogated all MP-mediated effects. Neutralization of Fas ligand carried by MPs abolished effects induced by both MP types, whereas neutralization of low-density lipoprotein receptor on endothelial cells prevented T-lymphocyte MP-mediated effects. Innovation and Conclusion: Collectively, endothelial dysfunction triggered by MPs involves temporal cross talk between ER and mitochondria with respect to spatial regulation of ROS via the neutral SMase and interaction of MPs with Fas and/or low-density lipoprotein receptor. These results provide a novel molecular insight into the manner MPs mediate vascular dysfunction and allow identification of potential therapeutic targets to treat vascular complications associated with metabolic syndrome. Antioxid. Redox Signal. 26, 15-27.
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Affiliation(s)
- Zainab Safiedeen
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France .,2 ER045, Laboratory of Stem Cells, PRASE, DSST, Lebanese University , Beirut, Lebanon
| | - Isabel Rodríguez-Gómez
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Luisa Vergori
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Raffaella Soleti
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Dayannath Vaithilingam
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Imene Douma
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Abdelali Agouni
- 3 Faculty of Health and Medical Sciences, University of Surrey , Guildford, United Kingdom
| | - Denis Leiber
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France
| | - Séverine Dubois
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France .,4 Centre Hospitalo-Universitaire d'Angers , Angers, France
| | - Gilles Simard
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France .,4 Centre Hospitalo-Universitaire d'Angers , Angers, France
| | - Kazem Zibara
- 2 ER045, Laboratory of Stem Cells, PRASE, DSST, Lebanese University , Beirut, Lebanon .,5 Faculty of Sciences-I, Biology Department, Lebanese University , Beirut, Lebanon
| | - Ramaroson Andriantsitohaina
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France .,4 Centre Hospitalo-Universitaire d'Angers , Angers, France
| | - M Carmen Martínez
- 1 INSERM U1063, Stress Oxydant et Pathologies Métaboliques, Institut de Biologie en Santé, Université d'Angers , Angers, France .,4 Centre Hospitalo-Universitaire d'Angers , Angers, France
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18
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Tahiri H, Omri S, Yang C, Duhamel F, Samarani S, Ahmad A, Vezina M, Bussières M, Vaucher E, Sapieha P, Hickson G, Hammamji K, Lapointe R, Rodier F, Tremblay S, Royal I, Cailhier JF, Chemtob S, Hardy P. Lymphocytic Microparticles Modulate Angiogenic Properties of Macrophages in Laser-induced Choroidal Neovascularization. Sci Rep 2016; 6:37391. [PMID: 27874077 PMCID: PMC5118818 DOI: 10.1038/srep37391] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 10/27/2016] [Indexed: 11/13/2022] Open
Abstract
Pathological choroidal neovascularization (CNV) is the common cause of vision loss in patients with age-related macular degeneration (AMD). Macrophages possess potential angiogenic function in CNV. We have demonstrated that human T lymphocyte-derived microparticles (LMPs) exert a potent antiangiogenic effect in several pathological neovascularization models. In this study, we investigated the alteration of proangiogenic properties of macrophages by LMPs treatment in vitro and in vivo models. LMPs regulated the expression of several angiogenesis-related factors in macrophages and consequently stimulated their antiangiogenic effects evidenced by the suppression of the proliferation of human retinal endothelial cells in co-culture experiments. The involvement of CD36 receptor in LMPs uptake by macrophages was demonstrated by in vitro assays and by immunostaining of choroidal flat mounts. In addition, ex vivo experiments showed that CD36 mediates the antiangiogenic effect of LMPs in murine and human choroidal explants. Furthermore, intravitreal injection of LMPs in the mouse model of laser-induced CNV significantly suppressed CNV in CD36 dependent manner. The results of this study suggested an ability of LMPs to alter the gene expression pattern of angiogenesis-related factors in macrophages, which provide important information for a new therapeutic approach for efficiently interfering with both vascular and extravascular components of CNV.
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Affiliation(s)
- Houda Tahiri
- Department of Pharmacology, Université de Montréal, Montréal, QC, Canada.,Research Center CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - Samy Omri
- Research Center Hôpital Maisonneuve-Rosemont, Université de Montréal, Montréal, QC, Canada
| | - Chun Yang
- Research Center CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada
| | - François Duhamel
- Department of Pharmacology, Université de Montréal, Montréal, QC, Canada
| | - Suzanne Samarani
- Departments of Microbiology and Immunology, Université de Montréal, Montréal, QC, Canada
| | - Ali Ahmad
- Departments of Microbiology and Immunology, Université de Montréal, Montréal, QC, Canada
| | - Mark Vezina
- Charles River Laboratories, Senneville, Montreal, QC, Canada
| | | | - Elvire Vaucher
- School of Optometry, Université de Montréal, Montréal, QC, Canada
| | - Przemyslaw Sapieha
- Research Center Hôpital Maisonneuve-Rosemont, Université de Montréal, Montréal, QC, Canada.,Department of Ophthalmology, Université de Montréal, Montréal, QC, Canada
| | - Gilles Hickson
- Department of Pathology and Cell Biology, Université de Montréal, Montréal, QC, Canada
| | - Karim Hammamji
- Department of Ophthalmology, Université de Montréal, Montréal, QC, Canada
| | - Réjean Lapointe
- Institut du Cancer de Montréal, CRCHUM-Centre de Recherche du Centre Hospitalier de l'Université de Montréal and Department of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Francis Rodier
- Institut du Cancer de Montréal, CRCHUM-Centre de Recherche du Centre Hospitalier de l'Université de Montréal and Department of Medicine, Université de Montréal, Montréal, QC, Canada.,Department of Radiology, Radio-Oncology and Nuclear Medicine, Université de Montréal, Montréal, QC, Canada
| | - Sophie Tremblay
- University of British Columbia, Vancouver, BC, Canada.,Centre for Molecular Medicine and Therapeutics, Vancouver, BC, Canada
| | - Isabelle Royal
- Institut du Cancer de Montréal, CRCHUM-Centre de Recherche du Centre Hospitalier de l'Université de Montréal and Department of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Jean-François Cailhier
- Institut du Cancer de Montréal, CRCHUM-Centre de Recherche du Centre Hospitalier de l'Université de Montréal and Department of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Sylvain Chemtob
- Department of Pharmacology, Université de Montréal, Montréal, QC, Canada.,Research Center CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada.,Research Center Hôpital Maisonneuve-Rosemont, Université de Montréal, Montréal, QC, Canada.,Department of Ophthalmology, Université de Montréal, Montréal, QC, Canada.,Department of Pediatrics, Université de Montréal, Montréal, QC, Canada
| | - Pierre Hardy
- Department of Pharmacology, Université de Montréal, Montréal, QC, Canada.,Research Center CHU Sainte-Justine, Université de Montréal, Montréal, QC, Canada.,Department of Pediatrics, Université de Montréal, Montréal, QC, Canada
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19
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SYK is a target of lymphocyte-derived microparticles in the induction of apoptosis of human retinoblastoma cells. Apoptosis 2015; 20:1613-22. [DOI: 10.1007/s10495-015-1177-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Yang C, Xiong W, Qiu Q, Tahiri H, Gagnon C, Liu G, Hardy P. Generation of lymphocytic microparticles and detection of their proapoptotic effect on airway epithelial cells. J Vis Exp 2015:e52651. [PMID: 25742309 DOI: 10.3791/52651] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Interest in the biological roles of cell membrane-derived vesicles in cell-cell communication has increased in recent years. Microparticles (MPs) are one such type of vesicles, ranging in diameter from 0.1 μm to 1 μm, and typically shed from the plasma membrane of eukaryotic cells undergoing activation or apoptosis. Here we describe the generation of T lymphocyte-derived microparticles (LMPs) from apoptotic CEM T cells stimulated with actinomycin D. LMPs are isolated through a multistep differential centrifugation process and characterized using flow cytometry. This protocol also presents an in situ cell death detection method for demonstrating the proapoptotic effect of LMPs on bronchial epithelial cells derived from mouse primary respiratory bronchial tissue explants. Methods described herein provide a reproducible procedure for isolating abundant quantities of LMPs from apoptotic lymphocytes in vitro. LMPs derived in this manner can be used to evaluate the characteristics of various disease models, and for pharmacology and toxicology testing. Given that the airway epithelium offers a protective physical and functional barrier between the external environment and underlying tissue, use of bronchial tissue explants rather than immortalized epithelial cell lines provides an effective model for investigations requiring airway tract tissue.
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Affiliation(s)
- Chun Yang
- Departments of Pediatrics and Pharmacology, University of Montréal
| | - Wei Xiong
- Department of Pulmonology, Chongqing Southwest Hospital, Third Military Medical University
| | - Qian Qiu
- Department of Pulmonology, Chongqing Southwest Hospital, Third Military Medical University
| | - Houda Tahiri
- Departments of Pediatrics and Pharmacology, University of Montréal
| | - Carmen Gagnon
- Departments of Pediatrics and Pharmacology, University of Montréal
| | - Guoxiang Liu
- Department of Pulmonology, Chongqing Southwest Hospital, Third Military Medical University
| | - Pierre Hardy
- Departments of Pediatrics and Pharmacology, University of Montréal;
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Yang C, Xiong W, Qiu Q, Tahiri H, Superstein R, Carret AS, Sapieha P, Hardy P. Anti-proliferative and anti-tumour effects of lymphocyte-derived microparticles are neither species- nor tumour-type specific. J Extracell Vesicles 2014; 3:23034. [PMID: 24834146 PMCID: PMC4017619 DOI: 10.3402/jev.v3.23034] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 03/17/2014] [Accepted: 03/19/2014] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Unregulated cell proliferation or growth is a prominent characteristic of cancer. We have previously demonstrated that LMPs (cell membrane microparticles derived from apoptotic human CEM T lymphoma cells stimulated with actinomycin D) strongly suppress the proliferation of not only human endothelial cells but also mouse Lewis lung carcinoma cells. METHODS LMPs were generated either from CEM T cells using different stimuli or from 3 different types of lymphocytes. The effects of LMPs on cancer cell proliferation were examined using cell lines from different species and tissues. The cell cycle kinetics was evaluated by FACS and the expression of cell cycle-related genes was determined using quantitative RT-PCR. The in vivo anti-tumor effect of LMPs was investigated using xenografts and allografts. RESULTS LMPs at doses far above physiological levels dramatically suppressed the proliferation of cancer cells in a non species-specific manner. LMPs selectively target high proliferating cells and their anti-proliferative effect is not dependent on parental cell origin or stimuli. The anti-proliferative effect of LMPs was due to induction of cell-cycle arrest in G0/G1, with associated increases in expression of the cyclin-dependent kinase inhibitors p15(INK4b), p16(INK4a), and p21(Cip1). In vivo, LMPs significantly suppressed tumor growth in animal tumor models. CONCLUSION These results highlight the potential role of LMPs in modulating the growth of high proliferating cells. Given that cell-based therapies are considered less toxic than pharmacologic approaches and have the potential to target multiple pathways in a synergistic manner, LMPs may serve as a veritable option for cancer treatment.
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Affiliation(s)
- Chun Yang
- Departments of Pediatrics and Pharmacology, University of Montréal, Montréal, QC, Canada
| | - Wei Xiong
- Department of Pulmonology, Chongqing Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Qian Qiu
- Department of Pulmonology, Chongqing Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Houda Tahiri
- Departments of Pediatrics and Pharmacology, University of Montréal, Montréal, QC, Canada
| | - Rosanne Superstein
- Department of Ophthalmology, University of Montréal, Montréal, QC, Canada
| | - Anne-Sophie Carret
- Departments of Pediatrics and Pharmacology, University of Montréal, Montréal, QC, Canada
| | - Przemyslaw Sapieha
- Department of Ophthalmology, Maisonneuve-Rosemont Hospital Research Centre, University of Montréal, Montréal, QC, Canada
| | - Pierre Hardy
- Departments of Pediatrics and Pharmacology, University of Montréal, Montréal, QC, Canada
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Lymphocyte-derived microparticles induce apoptosis of airway epithelial cells through activation of p38 MAPK and production of arachidonic acid. Apoptosis 2014; 19:1113-27. [DOI: 10.1007/s10495-014-0993-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Qiu Q, Xiong W, Yang C, Gagnon C, Hardy P. Lymphocyte-derived microparticles induce bronchial epithelial cells' pro-inflammatory cytokine production and apoptosis. Mol Immunol 2013; 55:220-30. [PMID: 23517738 DOI: 10.1016/j.molimm.2013.01.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2012] [Revised: 01/24/2013] [Accepted: 01/30/2013] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The aim of this study was to determine if human CEM (human lymphoblastoma) T cell-derived microparticles (LMPs) could directly induce human bronchial epithelial cells (BECs) apoptosis and cytokine production. We also tested if LMPs phagocytosis by BECs played a role in mediating these effects. METHODS We generated LMPs from CEM (human lymphoblastoma) T cells to investigate their effects on a human BEC cell line (16HBE) in vitro. RESULTS BECs (16HBE cells) incubation with LMPs resulted in significant production of inflammation-associated cytokines, including tumor necrosis factor-alpha (TNF-α), interleukin (IL)-6, and IL-8, in a dose- and time-dependent manner. LMPs also induced increased activities of caspase-3, caspase-8, and caspase-9 in BECS, which resulted in increased BECs apoptosis as assessed by flow cytometry (Annexin V and propidium iodide staining) and transmission electronic microscopy (TEM). Interestingly, LMPs effects on BECS were inhibited by the phagocytosis inhibitors cytochalasin D and chloroquine. CONCLUSIONS These results suggest that phagocytosis plays an important role in mediating the effects of LMPs on BECs. Thus, increased LMP concentrations may contribute to increased respiratory inflammatory responses and innate immune response maintenance in airway epithelium after LMPs engulfment by endothelial cells.
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Affiliation(s)
- Qian Qiu
- Department of Pulmonology, Chongqing Southwest Hospital, China
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Abstract
Membrane microparticles are submicron fragments of membrane shed into extracellular space from cells under conditions of stress/injury. They may be distinguished from other classes of extracellular vesicles (i.e. exosomes) on the basis of size, content and mechanism of formation. Microparticles are found in plasma and other biological fluids from healthy individuals and their levels are altered in various diseases, including diabetes, chronic kidney disease, pre-eclampsia and hypertension among others. Accordingly, they have been considered biomarkers of vascular injury and pro-thrombotic or pro-inflammatory conditions. In addition to this, emerging evidence suggests that microparticles are not simply a consequence of disease, but that they themselves may contribute to pathological processes. Thus microparticles appear to serve as both markers and mediators of pathology. The present review examines the evidence for microparticles as both biomarkers of, and contributors to, the progression of disease. Approaches for the detection of microparticles are summarized and novel concepts relating to the formation of microparticles and their biological effects are examined.
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Circulating endothelial cells and microparticles as prognostic markers in advanced non-small cell lung cancer. PLoS One 2012; 7:e47365. [PMID: 23077602 PMCID: PMC3471832 DOI: 10.1371/journal.pone.0047365] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Accepted: 09/11/2012] [Indexed: 12/17/2022] Open
Abstract
Background Circulating endothelial cells and microparticles have prognostic value in cancer, and might be predictors of response to chemotherapy and antiangiogenic treatments. We have investigated the prognostic value of circulating endothelial cells and microparticles in patients treated for advanced non-small cell lung cancer. Methodology/Principal Findings Peripheral blood samples were obtained from 60 patients before first line, platinum-based chemotherapy +/− bevacizumab, and after the third cycle of treatment. Blood samples from 60 healthy volunteers were also obtained as controls. Circulating endothelial cells were measured by an immunomagnetic technique and immunofluorescence microscopy. Phosphatidylserine-positive microparticles were evaluated by flow cytometry. Microparticle-mediated procoagulant activity was measured by the endogen thrombin generation assay. Results: pre- and posttreatment levels of markers were higher in patients than in controls (p<0.0001). Elevated levels of microparticles were associated with longer survival. Elevated pretreatment levels of circulating endothelial cells were associated with shorter survival. Conclusions/Significance Circulating levels of microparticles and circulating endothelial cells correlate with prognosis, and could be useful as prognostic markers in patients with advanced non-small cell lung cancer.
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Yang C, Xiong W, Qiu Q, Shao Z, Hamel D, Tahiri H, Leclair G, Lachapelle P, Chemtob S, Hardy P. Role of receptor-mediated endocytosis in the antiangiogenic effects of human T lymphoblastic cell-derived microparticles. Am J Physiol Regul Integr Comp Physiol 2012; 302:R941-9. [DOI: 10.1152/ajpregu.00527.2011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Microparticles possess therapeutic potential regarding angiogenesis. We have demonstrated the contribution of apoptotic human CEM T lymphocyte-derived microparticles (LMPs) as inhibitors of angiogenic responses in animal models of inflammation and tumor growth. In the present study, we characterized the antivascular endothelial growth factor (VEGF) effects of LMPs on pathological angiogenesis in an animal model of oxygen-induced retinopathy and explored the role of receptor-mediated endocytosis in the effects of LMPs on human retinal endothelial cells (HRECs). LMPs dramatically inhibited cell growth of HRECs, suppressed VEGF-induced cell migration in vitro experiments, and attenuated VEGF-induced retinal vascular leakage in vivo. Intravitreal injections of fluorescently labeled LMPs revealed accumulation of LMPs in retinal tissue, with more than 60% reductions of the vascular density in retinas of rats with oxygen-induced neovascularization. LMP uptake experiments demonstrated that the interaction between LMPs and HRECs is dependent on temperature. In addition, endocytosis is partially dependent on extracellular calcium. RNAi-mediated knockdown of low-density lipoprotein receptor (LDLR) reduced the uptake of LMPs and attenuated the inhibitory effects of LMPs on VEGF-A protein expression and HRECs cell growth. Intravitreal injection of lentivirus-mediated RNA interference reduced LDLR protein expression in retina by 53% and significantly blocked the antiangiogenic effects of LMPs on pathological vascularization. In summary, the potent antiangiogenic LMPs lead to a significant reduction of pathological retinal angiogenesis through modulation of VEGF signaling, whereas LDLR-mediated endocytosis plays a partial, but pivotal, role in the uptake of LMPs in HRECs.
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Affiliation(s)
- Chun Yang
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Wei Xiong
- Department of Pulmonology, Chongqing Southwest Hospital, Chongqing, China
| | - Qian Qiu
- Department of Pulmonology, Chongqing Southwest Hospital, Chongqing, China
| | - Zuo Shao
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - David Hamel
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Houda Tahiri
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Grégoire Leclair
- Faculty of Pharmacy University of Montreal, Montreal, Quebec, Canada; and
| | - Pierre Lachapelle
- Departments of Neurology and Neurosurgery, McGill University, Montreal, Quebec, Canada
| | - Sylvain Chemtob
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - Pierre Hardy
- Departments of Pediatrics and Pharmacology, Research Center of Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
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Abstract
Leukocyte-derived microparticles (LMPs) may originate from neutrophils, monocytes/macrophages, and lymphocytes. They express markers from their parental cells and harbor membrane and cytoplasmic proteins as well as bioactive lipids implicated in a variety of mechanisms, maintaining or disrupting vascular homeostasis. When they carry tissue factor or coagulation inhibitors, they participate in hemostasis and pathological thrombosis. Both proinflammatory and anti-inflammatory processes can be affected by LMPs, thus ensuring an appropriate inflammatory response. LMPs also play a dual role in the endothelium by either improving the endothelial function or inducing an endothelial dysfunction. LMPs are implicated in all stages of atherosclerosis. They circulate at a high level in the bloodstream of patients with high atherothrombotic risk, such as smokers, diabetics, and subjects with obstructive sleep apnea, where their prolonged contact with the vessel wall may contribute to its overall deterioration. Numbering microparticles, including LMPs, might be useful in predicting cardiovascular events. LMPs modify the endothelial function and promote the recruitment of inflammatory cells in the vascular wall, necessary processes for the progression of the atherosclerotic lesion. In addition, LMPs favor the neovascularization within the vulnerable plaque and, in the ruptured plaque, they take part in coagulation and platelet activation. Finally, LMPs participate in angiogenesis. They might represent a novel therapeutic tool to reset the angiogenic switch in pathologies with altered angiogenesis. Additional studies are needed to further investigate the role of LMPs in cardiovascular diseases. However, large-scale studies are currently difficult to set up because microparticle measurement still requires elaborate techniques which lack standardization.
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Affiliation(s)
- Anne Angelillo-Scherrer
- Service and Central Laboratory of Hematology, Lausanne University Hospital, rue du Bugnon 46, CH-1011 Lausanne, Switzerland.
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Soleti R, Martinez MC. Sonic Hedgehog on microparticles and neovascularization. VITAMINS AND HORMONES 2012; 88:395-438. [PMID: 22391314 DOI: 10.1016/b978-0-12-394622-5.00018-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Neovascularization represents a pivotal process consisting in the development of vascular network during embryogenesis and adult life. Postnatally, it arises mainly through angiogenesis, which has physiological and pathological roles in health and disease. Blood vessel formation results as tightly regulated multistep process which needs coordination and precise regulation of the balance of proangiogenic and antiangiogenic factors. Sonic Hedgehog (SHH), a morphogen belonging to Hedgehog (HH) family proteins, is implicated in a remarkably wide variety of process, including vessel development. Recent evidence demonstrate that, in addition to the classic factors, microvesicles (MVs), both microparticles (MPs) and exosomes, small vesicles released distinct cellular compartments, are involved in modulation of neovascularization. MPs generated from T lymphocytes undergoing both activation and apoptosis harbor at their surface SHH and play a crucial role in modulation of neovascularization. They are able to modulate the different steps implicated in angiogenesis process in vitro and to enhance postischemic neovascularization in vivo. As the consequence, we suggest that the MPs carrying SHH contribute to generation of a vascular network and may represent a new therapeutic approach to treat pathologies associated with failed angiogenesis.
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Rautou PE, Vion AC, Amabile N, Chironi G, Simon A, Tedgui A, Boulanger CM. Microparticles, Vascular Function, and Atherothrombosis. Circ Res 2011; 109:593-606. [DOI: 10.1161/circresaha.110.233163] [Citation(s) in RCA: 291] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Membrane-shed submicron microparticles (MPs) are released after cell activation or apoptosis. High levels of MPs circulate in the blood of patients with atherothrombotic diseases, where they could serve as a useful biomarker of vascular injury and a potential predictor of cardiovascular mortality and major adverse cardiovascular events. Atherosclerotic lesions also accumulate large numbers of MPs of leukocyte, smooth muscle cell, endothelial, and erythrocyte origin. A large body of evidence supports the role of MPs at different steps of atherosclerosis development, progression, and complications. Circulating MPs impair the atheroprotective function of the vascular endothelium, at least partly, by decreased nitric oxide synthesis. Plaque MPs favor local inflammation by augmenting the expression of adhesion molecule, such as intercellular adhesion molecule -1 at the surface of endothelial cell, and monocyte recruitment within the lesion. In addition, plaque MPs stimulate angiogenesis, a key event in the transition from stable to unstable lesions. MPs also may promote local cell apoptosis, leading to the release and accumulation of new MPs, and thus creating a vicious circle. Furthermore, highly thrombogenic plaque MPs could increase thrombus formation at the time of rupture, together with circulating MPs released in this context by activated platelets and leukocytes. Finally, MPs also could participate in repairing the consequences of arterial occlusion and tissue ischemia by promoting postischemic neovascularization.
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Affiliation(s)
- Pierre-Emmanuel Rautou
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Anne-Clémence Vion
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Nicolas Amabile
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Gilles Chironi
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Alain Simon
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Alain Tedgui
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
| | - Chantal M. Boulanger
- From the INSERM (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), U970, Paris Cardiovascular Research Center PARCC, Paris, France; Université Paris Descartes, Sorbonne Paris Cité (P.E.R., A.C.V., N.A., G.C., A.S., A.T., C.M.B.), UMR-S970, Paris, France; Service de Cardiologie (N.A.), Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France; Centre de Médecine Préventive Cardiovasculaire (G.C., A.S.), AP-HP, Hôpital Européen Georges Pompidou, Paris, France
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Abstract
Considered during the past decades as cell dust, microparticles are now deemed true biomarkers and vectors of biological information between cells. Depending on their origin, the composition of microparticles varies and the subsequent message transported by them, such as proteins, mRNA, or miRNA, can differ. Recent studies have described microparticles as “cargos” of deleterious information in blood vessel wall under pathological situations such as hypertension, myocardial infarction, and metabolic syndrome. In addition, it has been reported that depending on their origin, microparticles also possess a therapeutic potential regarding angiogenesis. Microparticles can act directly through the interaction ligand/receptor or indirectly on angiogenesis by modulating soluble factor production involved in endothelial cell differentiation, proliferation, migration, and adhesion; by reprogramming endothelial mature cells; and by inducing changes in levels, phenotype, and function of endothelial progenitor cells. This results in an increase in formation of in vitro capillary-like tubes and the generation of new vessels in vivo under ischemic conditions, for instance. Taking into consideration these properties of microparticles, recent evidence provides new basis to expand the possibility that microparticles might be used as therapeutic tools in pathologies associated with an alteration of angiogenesis.
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Affiliation(s)
- M. Carmen Martinez
- From the INSERM U694, Mitochondrie Régulations et Pathologie, Université d'Angers, Rue des Capucins, Angers, France
| | - Ramaroson Andriantsitohaina
- From the INSERM U694, Mitochondrie Régulations et Pathologie, Université d'Angers, Rue des Capucins, Angers, France
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