151
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You Y, Ikezu T. Emerging roles of extracellular vesicles in neurodegenerative disorders. Neurobiol Dis 2019; 130:104512. [PMID: 31229685 DOI: 10.1016/j.nbd.2019.104512] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 06/17/2019] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles (EVs) are heterogeneous cell-derived membranous vesicles which carry a large diversity of molecules such as proteins and RNA species. They are now considered to be a general mode of intercellular communication by direct transfer of biomolecules. Emerging evidence demonstrates that EVs are involved in multiple pathological processes of brain diseases including neurodegenerative disorders. In this review, we investigate the current knowledge about EV biology. We also provide an overview of the roles of EVs in related brain diseases, particularly in neurodegenerative disorders. Finally, we discuss their potential applications as novel biomarkers as well as the developments of EV-based therapies.
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Affiliation(s)
- Yang You
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA
| | - Tsuneya Ikezu
- Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA; Neurology, Boston University School of Medicine, Boston, MA, USA.
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152
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Freitas D, Balmaña M, Poças J, Campos D, Osório H, Konstantinidi A, Vakhrushev SY, Magalhães A, Reis CA. Different isolation approaches lead to diverse glycosylated extracellular vesicle populations. J Extracell Vesicles 2019; 8:1621131. [PMID: 31236201 PMCID: PMC6571546 DOI: 10.1080/20013078.2019.1621131] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 04/17/2019] [Accepted: 05/03/2019] [Indexed: 12/18/2022] Open
Abstract
Extracellular vesicles (EVs) are a heterogeneous group of small secreted particles involved in intercellular communication and mediating a broad spectrum of biological functions. EVs cargo is composed of a large repertoire of molecules, including glycoconjugates. Herein, we report the first study on the impact of the isolation strategy on the EV populations’ glycosylation profile. The use of different state-of-the-art protocols, namely differential ultracentrifugation (UC), total exosome isolation (TEI), OptiPrepTM density gradient (ODG) and size exclusion chromatography (SEC) resulted in EV populations displaying different sets of glycoconjugates. The EV populations obtained by UC, ODG and SEC methods displayed similar protein and glycan profiles, whereas TEI methodology isolated the most distinct EV population. In addition, ODG and SEC isolation protocols provided an enhanced EV glycoproteins detection. Remarkably, proteins displaying the tumour-associated glycan sialyl-Tn (STn) were identified as packaged cargo into EVs independently of the isolation methodology. STn carrying EV samples isolated by UC, ODG and SEC presented a considerable set of cancer-related proteins that were not detected in EVs isolated by TEI. Our work demonstrates the impact of using different isolation methodologies in the populations of EVs that are obtained, with consequences in the glycosylation profile of the isolated population. Furthermore, our results highlight the importance of selecting adequate EV isolation protocols and cell culture conditions to determine the structural and functional complexity of the EV glycoconjugates.
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Affiliation(s)
- Daniela Freitas
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Meritxell Balmaña
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Juliana Poças
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal
| | - Diana Campos
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Hugo Osório
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Andriana Konstantinidi
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Sergey Y Vakhrushev
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ana Magalhães
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal
| | - Celso A Reis
- i3S-Institute for Research and Innovation in Health, University of Porto, Porto, Portugal.,IPATIMUP -Institute of Molecular Pathology and Immunology, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, Porto, Portugal.,Faculty of Medicine of the University of Porto, Porto, Portugal
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153
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Abstract
Cancer-initiating cells (CIC) are the driving force in tumor progression. There is strong evidence that CIC fulfill this task via exosomes (TEX), which modulate and reprogram stroma, nontransformed cells, and non-CIC. Characterization of CIC, besides others, builds on expression of CIC markers, many of which are known as metastasis-associated molecules. We here discuss that the linkage between CIC/CIC-TEX and metastasis-associated molecules is not fortuitously, but relies on the contribution of these markers to TEX biogenesis including loading and TEX target interactions. In addition, CIC markers contribute to TEX binding- and uptake-promoted activation of signaling cascades, transcription initiation, and translational control. Our point of view will be outlined for pancreas and colon CIC highly expressing CD44v6, Tspan8, EPCAM, claudin7, and LGR5, which distinctly but coordinately contribute to tumor progression. Despite overwhelming progress in unraveling the metastatic cascade and the multiple tasks taken over by CIC-TEX, there remains a considerable gap in linking CIC biomarkers, TEX, and TEX-initiated target modulation with metastasis. We will try to outline possible bridges, which could allow depicting pathways for new and expectedly powerful therapeutic interference with tumor progression.
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Affiliation(s)
- Zhe Wang
- Department of Oncology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China.
| | - Margot Zöller
- Department of Oncology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China.
- Pancreas Section, University Hospital of Surgery, Heidelberg, Germany.
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154
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Ithier MC, Parobchak N, Yadava S, Cheng J, Wang B, Rosen T. Fetal lung C4BPA induces p100 processing in human placenta. Sci Rep 2019; 9:5519. [PMID: 30940885 PMCID: PMC6445281 DOI: 10.1038/s41598-019-42078-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 02/25/2019] [Indexed: 11/09/2022] Open
Abstract
The non-canonical NF-κB signaling may be a central integrator of a placental clock that governs the length of human pregnancy. We sought to identify fetal signals that could activate this NF-κB pathway in the placenta, and in turn, contribute to the onset of labor. Proteomics analysis of exosomes purified from fetal cord arterial blood revealed a total of 328 proteins, among which 48 were more significantly abundant (p < 0.01) in samples from women who delivered following elective Cesarean-section at term (39 to 40 weeks of estimated gestational age, EGA) compared to those who had elective Cesarean deliveries near term (35 to 36 weeks of EGA). Computational, crystal structural, and gene functional analyses showed that one of these 48 proteins, C4BPA, binds to CD40 of placental villous trophoblast to activate p100 processing to p52, and in turn, pro-labor genes. These results suggest that fetal C4BPA-induced activation of non-canonical NF-κB in human placenta may play a critical role in processes of term or preterm labor.
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Affiliation(s)
- Mayra Cruz Ithier
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA
| | - Nataliya Parobchak
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA
| | - Stacy Yadava
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA
| | - Jerry Cheng
- The Cardiovascular Institute of New Jersey, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA
| | - Bingbing Wang
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA.
| | - Todd Rosen
- Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, 08901, USA.
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155
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Zhang W, Ou X, Wu X. Proteomics profiling of plasma exosomes in epithelial ovarian cancer: A potential role in the coagulation cascade, diagnosis and prognosis. Int J Oncol 2019; 54:1719-1733. [PMID: 30864689 PMCID: PMC6438431 DOI: 10.3892/ijo.2019.4742] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 02/15/2019] [Indexed: 12/12/2022] Open
Abstract
Ovarian cancer remains the most lethal type of cancer among all gynecological malignancies. The majority of patients are diagnosed with ovarian cancer at the late stages of the disease. Therefore, there exists an imperative need for the development of early ovarian cancer diagnostic techniques. Exosomes, secreted by various cell types, play pivotal roles in intercellular communication, which emerge as promising diagnostic and prognostic biomarkers for ovarian cancer. In this study, we present for the first time, at least to the best of our knowledge, the proteomics profiling of exosomes derived from the plasma of patients with ovarian cancer via liquid chromatography tandem mass spectrometry (LC-MS/MS) with tandem mass tagging (TMT). The exosomes enriched from patient plasma samples were characterized by nanoparticle tracking analysis (NTA), dynamic light scattering (DLS), transmission electron microscopy (TEM) and western blot analysis. The size of the plasma exosomes fell into the range of 30 to 100 nm in diameter. The exosomal marker proteins, CD81 and TSG101, were clearly stained in the exosome samples; however, there was no staining for the endoplasmic reticulum protein, calnexin. A total of 294 proteins were identified with all exosome samples. Among these, 225 proteins were detected in both the cancerous and non-cancerous samples. Apart from universal exosomal proteins, exosomes derived from ovarian cancer patient plasma also contained tumor-specific proteins relevant to tumorigenesis and metastasis, particularly in epithelial ovarian carcinoma (EOC). Patients with EOC often suffer from coagulation dysfunction. The function of exosomes in coagulation was also examined. Several genes relevant to the coagulation cascade were screened out as promising diagnostic and prognostic factors that may play important roles in ovarian cancer progression and metastasis. On the whole, in this study, we successfully isolated and purified exosomes from plasma of patients with EOC, and identified a potential role of these exosomes in the coagulation cascade, as well as in the diagnosis and prognosis of patients. differentially expressed genes, functional enrichment analysis, protein-protein interaction, diagnostic and prognostic biomarkers
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Affiliation(s)
- Wei Zhang
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Xiaoxuan Ou
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
| | - Xiaohua Wu
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, P.R. China
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156
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De Luca L, Laurenzana I, Trino S, Lamorte D, Caivano A, Musto P. An update on extracellular vesicles in multiple myeloma: a focus on their role in cell-to-cell cross-talk and as potential liquid biopsy biomarkers. Expert Rev Mol Diagn 2019; 19:249-258. [PMID: 30782029 DOI: 10.1080/14737159.2019.1583103] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Multiple myeloma (MM) is characterized by a clonal proliferation of neoplastic plasma cells (PCs) in bone marrow (BM) and the interplay between MM PCs and the BM microenvironment, which plays a relevant role in its pathogenesis. In this important cross-talk, extracellular vesicles (EVs) are active. EVs, including small and medium/large EVs, are lipid bi-layer particles released in circulation by normal and neoplastic cells. A selected cargo of lipids, proteins, and nucleic acids is loaded into EVs, and delivered locally and to distant sites, thus influencing the physiology of recipient cells. In the 'liquid biopsy' context, EVs can be isolated from human biofluids proving to be powerful markers in cancer. Areas covered: Here, we summarize the recent advances on EVs in MM field. Expert commentary: EVs from MM PCs: i) enhance malignant cell proliferation and aggressiveness through an autocrine loop; ii) are able to transfer drug resistance in sensitive-drug cells; iii) stimulate angiogenesis; iv) increase the activity of osteoclasts; v) have immunosuppressive effects. In addition, EVs from MM stromal cells also promote MM cell proliferation and drug resistance. Finally, we underline the importance of EVs as MM potential biomarkers in 'cancer liquid biopsy' and as a potential new therapeutic target.
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Affiliation(s)
- Luciana De Luca
- a Laboratory of Preclinical and Translational Research , IRCCS-Referral Cancer Center of Basilicata (CROB) , Rionero in Vulture (PZ) , Italy
| | - Ilaria Laurenzana
- a Laboratory of Preclinical and Translational Research , IRCCS-Referral Cancer Center of Basilicata (CROB) , Rionero in Vulture (PZ) , Italy
| | - Stefania Trino
- a Laboratory of Preclinical and Translational Research , IRCCS-Referral Cancer Center of Basilicata (CROB) , Rionero in Vulture (PZ) , Italy
| | - Daniela Lamorte
- a Laboratory of Preclinical and Translational Research , IRCCS-Referral Cancer Center of Basilicata (CROB) , Rionero in Vulture (PZ) , Italy
| | - Antonella Caivano
- a Laboratory of Preclinical and Translational Research , IRCCS-Referral Cancer Center of Basilicata (CROB) , Rionero in Vulture (PZ) , Italy
| | - Pellegrino Musto
- b Hematology and Stem Cell Transplantation Unit , IRCCS-Referral Cancer Center of Basilic`ata (CROB) , Rionero in Vulture (PZ) , Italy
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157
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Deng SZ, Lai MF, Li YP, Xu CH, Zhang HR, Kuang JG. Human marrow stromal cells secrete microRNA-375-containing exosomes to regulate glioma progression. Cancer Gene Ther 2019; 27:203-215. [DOI: 10.1038/s41417-019-0079-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 12/19/2018] [Accepted: 12/28/2018] [Indexed: 12/21/2022]
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158
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Maziveyi M, Dong S, Baranwal S, Mehrnezhad A, Rathinam R, Huckaba TM, Mercante DE, Park K, Alahari SK. Exosomes from Nischarin-Expressing Cells Reduce Breast Cancer Cell Motility and Tumor Growth. Cancer Res 2019; 79:2152-2166. [PMID: 30635277 DOI: 10.1158/0008-5472.can-18-0842] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 10/19/2018] [Accepted: 01/08/2019] [Indexed: 01/12/2023]
Abstract
Exosomes are small extracellular microvesicles that are secreted by cells when intracellular multivesicular bodies fuse with the plasma membrane. We have previously demonstrated that Nischarin inhibits focal adhesion formation, cell migration, and invasion, leading to reduced activation of focal adhesion kinase. In this study, we propose that the tumor suppressor Nischarin regulates the release of exosomes. When cocultured on exosomes from Nischarin-positive cells, breast cancer cells exhibited reduced survival, migration, adhesion, and spreading. The same cocultures formed xenograft tumors of significantly reduced volume following injection into mice. Exosomes secreted by Nischarin-expressing tumors inhibited tumor growth. Expression of only one allele of Nischarin increased secretion of exosomes, and Rab14 activity modulated exosome secretions and cell growth. Taken together, this study reveals a novel role for Nischarin in preventing cancer cell motility, which contributes to our understanding of exosome biology. SIGNIFICANCE: Regulation of Nischarin-mediated exosome secretion by Rab14 seems to play an important role in controlling tumor growth and migration.See related commentary by McAndrews and Kalluri, p. 2099.
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Affiliation(s)
- Mazvita Maziveyi
- Department of Biochemistry and Microbial Sciences, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana
| | - Shengli Dong
- Department of Biochemistry and Microbial Sciences, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana
| | - Somesh Baranwal
- Center of Biochemistry and Microbial Science, Central University of Punjab, Bathinda, Punjab, India
| | - Ali Mehrnezhad
- Division of Electrical and Computer Engineering, Louisiana State University, Baton Rouge, Louisiana
| | | | - Thomas M Huckaba
- Department of Biology, Xavier University of Louisiana, New Orleans, Louisiana
| | - Donald E Mercante
- Louisiana State University Health Sciences Center School of Public Health, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana
| | - Kidong Park
- Division of Electrical and Computer Engineering, Louisiana State University, Baton Rouge, Louisiana
| | - Suresh K Alahari
- Department of Biochemistry and Microbial Sciences, Louisiana State University Health Sciences Center School of Medicine, New Orleans, Louisiana.
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159
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Exosomes from Cell Culture-Conditioned Medium: Isolation by Ultracentrifugation and Characterization. Methods Mol Biol 2019; 1952:233-244. [PMID: 30825179 DOI: 10.1007/978-1-4939-9133-4_19] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Exosomes are small vesicles of endosomal origin secreted by most cell types. Recent studies have identified exosomes as important mediators of intercellular communication and as important source materials for many clinical applications, including minimal invasive disease diagnosis. Exosomes have been purified from in vitro cell culture supernatants by many different methods; however the most simple and reliable method involves purification by ultracentrifugation. This chapter describes a detailed protocol for isolating exosomes from cell culture-conditioned medium using ultracentrifugation and their characterization based upon size, number, and protein expression by several complementary methods such as transmission electron microscopy, nanoparticle tracking analysis, western blotting, and flow cytometry.
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160
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Fendl B, Eichhorn T, Weiss R, Tripisciano C, Spittler A, Fischer MB, Weber V. Differential Interaction of Platelet-Derived Extracellular Vesicles With Circulating Immune Cells: Roles of TAM Receptors, CD11b, and Phosphatidylserine. Front Immunol 2018; 9:2797. [PMID: 30619243 PMCID: PMC6297748 DOI: 10.3389/fimmu.2018.02797] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 11/13/2018] [Indexed: 01/08/2023] Open
Abstract
Secretion and exchange of biomolecules by extracellular vesicles (EVs) are crucial in intercellular communication and enable cells to adapt to alterations in their microenvironment. EVs are involved in a variety of cellular processes under physiological conditions as well as in pathological settings. In particular, they exert profound effects on the innate immune system, and thereby are also capable of modulating adaptive immunity. The mechanisms underlying their interaction with their recipient cells, particularly their preferential association with monocytes and granulocytes in the circulation, however, remain to be further clarified. Surface molecules exposed on EVs are likely to mediate immune recognition and EV uptake by their recipient cells. Here, we investigated the involvement of Tyro3, Axl, and Mer (TAM) tyrosine kinase receptors and of integrin CD11b in the binding of platelet-derived EVs, constituting the large majority of circulating EVs, to immune cells in the circulation. Flow cytometry and Western Blotting demonstrated a differential expression of TAM receptors and CD11b on monocytes, granulocytes, and lymphocytes, as well as on monocyte subsets. Of the TAM receptors, only Axl and Mer were detected at low levels on monocytes and granulocytes, but not on lymphocytes. Likewise, CD11b was present on circulating monocytes and granulocytes, but remained undetectable on lymphocytes. Differentiation of monocytes into classical, intermediate, and non-classical monocyte subsets revealed distinct expression patterns of Mer and activated CD11b. Co-incubation of isolated monocytes and granulocytes with platelet-derived EVs showed that the binding of EVs to immune cells was dependent on Ca++. Our data do not support a particular role for TAM receptors or for activated CD11b in the association of platelet-derived EVs with monocytes and granulocytes in the circulation, as anti-TAM antibodies did not interfere with EV binding to isolated immune cells, as binding was not dependent on the presence of TIM4 acting synergistically with TAM receptors, and as neither low levels of Gas6, required as a linker between phosphatidylserine (PS) on the EV surface and TAM receptors on immune cells, nor masking of PS on the EV surface did interfere with EV binding.
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Affiliation(s)
- Birgit Fendl
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
| | - Tanja Eichhorn
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
| | - René Weiss
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
| | - Carla Tripisciano
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
| | - Andreas Spittler
- Core Facility Flow Cytometry & Surgical Research Laboratories, Medical University of Vienna, Vienna, Austria
| | - Michael B Fischer
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
| | - Viktoria Weber
- Christian Doppler Laboratory for Innovative Therapy Approaches in Sepsis, Department for Biomedical Research, Danube University Krems, Krems, Austria
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161
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Aguilar-Lozano A, Baier S, Grove R, Shu J, Giraud D, Leiferman A, Mercer KE, Cui J, Badger TM, Adamec J, Andres A, Zempleni J. Concentrations of Purine Metabolites Are Elevated in Fluids from Adults and Infants and in Livers from Mice Fed Diets Depleted of Bovine Milk Exosomes and their RNA Cargos. J Nutr 2018; 148:1886-1894. [PMID: 30517726 PMCID: PMC6280001 DOI: 10.1093/jn/nxy223] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 08/16/2018] [Indexed: 12/22/2022] Open
Abstract
Background Humans and mice absorb bovine milk exosomes and their RNA cargos. Objectives The objectives of this study were to determine whether milk exosome- and RNA-depleted (ERD) and exosome- and RNA-sufficient (ERS) diets alter the concentrations of purine metabolites in mouse livers, and to determine whether diets depleted of bovine milk alter the plasma concentration and urine excretion of purine metabolites in adults and infants, respectively. Methods C57BL/6 mice were fed ERD (providing 2% of the microRNA cargos compared with ERS) and ERS diets starting at age 3 wk; livers were collected at age 7 wk. Plasma and 24-h urine samples were collected from healthy adults who consumed (DCs) or avoided (DAs) dairy products. Spot urine samples were collected from healthy infants fed human milk (HM), milk formula (MF), or soy formula (SF) at age 3 mo. Purine metabolites were analyzed in liver, plasma, and urine; mRNAs and microRNAs were analyzed in the livers of female mice. Results We found that 9 hepatic purine metabolites in ERD-fed mice were 1.76 ± 0.43 times the concentrations in ERS-fed mice (P < 0.05). Plasma concentrations and urine excretion of purine metabolites in DAs was ≤1.62 ± 0.45 times the concentrations in DCs (P < 0.05). The excretion of 13 purine metabolites in urine from SF infants was ≤175 ± 39 times the excretion in HM and MF infants (P < 0.05). mRNA expression of 5'-nucleotidase, cytosolic IIIB, and adenosine deaminase in mice fed ERD was 0.64 ± 0.52 and 0.60 ± 0.28 times the expression in mice fed ERS, respectively. Conclusion Diets depleted of bovine-milk exosomes and RNA cargos caused increases in hepatic purine metabolites in mice, and in plasma and urine from human adults and infants, compared with exosome-sufficient controls. These findings are important, because purines play a role in intermediary metabolism and cell signaling.
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Affiliation(s)
- Ana Aguilar-Lozano
- Departments of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE
| | - Scott Baier
- Departments of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE
| | - Ryan Grove
- Departments of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE
| | - Jiang Shu
- Departments of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, NE
| | - David Giraud
- Departments of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE
| | - Amy Leiferman
- Departments of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE
| | - Kelly E Mercer
- Arkansas Children's Nutrition Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Juan Cui
- Departments of Computer Science & Engineering, University of Nebraska-Lincoln, Lincoln, NE
| | - Thomas M Badger
- Arkansas Children's Nutrition Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Jiri Adamec
- Departments of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE
| | - Aline Andres
- Arkansas Children's Nutrition Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR
| | - Janos Zempleni
- Departments of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE,Address correspondence to JZ (e-mail: )
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162
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Gonda A, Kabagwira J, Senthil GN, Wall NR. Internalization of Exosomes through Receptor-Mediated Endocytosis. Mol Cancer Res 2018; 17:337-347. [PMID: 30487244 DOI: 10.1158/1541-7786.mcr-18-0891] [Citation(s) in RCA: 170] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 09/28/2018] [Accepted: 11/16/2018] [Indexed: 12/28/2022]
Abstract
The tumor microenvironment is replete with factors secreted and internalized by surrounding cells. Exosomes are nano-sized, protein-embedded, membrane-bound vesicles that are released in greater quantities from cancer than normal cells and taken up by a variety of cell types. These vesicles contain proteins and genetic material from the cell of origin and in the case of tumor-derived exosomes, oncoproteins and oncogenes. With increasing understanding of the role exosomes play in basic biology, a more clear view of the potential exosomes are seen to have in cancer therapeutics emerges. However, certain essential aspects of exosome function, such as the uptake mechanisms, are still unknown. Various methods of cell-exosome interaction have been proposed, but this review focuses on the protein-protein interactions that facilitate receptor-mediated endocytosis, a broadly used mechanism by a variety of cells.
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Affiliation(s)
- Amber Gonda
- Center for Health Disparities & Molecular Medicine, Loma Linda University School of Medicine, Loma Linda, California.,Department of Pathology and Anatomy, Loma Linda University School of Medicine, Loma Linda, California
| | - Janviere Kabagwira
- Center for Health Disparities & Molecular Medicine, Loma Linda University School of Medicine, Loma Linda, California.,Division of Biochemistry, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
| | - Girish N Senthil
- Center for Health Disparities & Molecular Medicine, Loma Linda University School of Medicine, Loma Linda, California
| | - Nathan R Wall
- Center for Health Disparities & Molecular Medicine, Loma Linda University School of Medicine, Loma Linda, California. .,Division of Biochemistry, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, California
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163
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Plasma exosomes stimulate breast cancer metastasis through surface interactions and activation of FAK signaling. Breast Cancer Res Treat 2018; 174:129-141. [PMID: 30484103 DOI: 10.1007/s10549-018-5043-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 11/08/2018] [Indexed: 12/13/2022]
Abstract
PURPOSE The interaction between malignant cells and surrounding healthy tissues is a critical factor in the metastatic progression of breast cancer (BC). Extracellular vesicles, especially exosomes, are known to be involved in inter-cellular communication during cancer progression. In the study presented herein, we aimed to evaluate the role of circulating plasma exosomes in the metastatic dissemination of BC and to investigate the underlying molecular mechanisms of this phenomenon. METHODS Exosomes isolated from plasma of healthy female donors were applied in various concentrations into the medium of MDA-MB-231 and MCF-7 cell lines. Motility and invasive properties of BC cells were examined by random migration and Transwell invasion assays, and the effect of plasma exosomes on the metastatic dissemination of BC cells was demonstrated in an in vivo zebrafish model. To reveal the molecular mechanism of interaction between plasma exosomes and BC cells, a comparison between un-treated and enzymatically modified exosomes was performed, followed by mass spectrometry, gene ontology, and pathway analysis. RESULTS Plasma exosomes stimulated the adhesive properties, two-dimensional random migration, and transwell invasion of BC cells in vitro as well as their in vivo metastatic dissemination in a dose-dependent manner. This stimulatory effect was mediated by interactions of surface exosome proteins with BC cells and consequent activation of focal adhesion kinase (FAK) signaling in the tumor cells. CONCLUSIONS Plasma exosomes have a potency to stimulate the metastasis-promoting properties of BC cells. This pro-metastatic property of normal plasma exosomes may have impact on the course of the disease and on its prognosis.
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Shtam T, Naryzhny S, Kopylov A, Petrenko E, Samsonov R, Kamyshinsky R, Zabrodskaya Y, Nikitin D, Sorokin M, Buzdin A, Malek A. Functional Properties of Circulating Exosomes Mediated by Surface-Attached Plasma Proteins. J Hematol 2018; 7:149-153. [PMID: 32300430 PMCID: PMC7155850 DOI: 10.14740/jh412w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 10/08/2018] [Indexed: 12/16/2022] Open
Abstract
Background Exosomes and other types of extracellular vesicles present an important component of circulating plasma. Exosomes released by endothelial and blood cells account for majority of plasma exosomal population; exosomes secreted by other cells might cross tissue-plasma barrier and reach circulating plasma as well. Definitely, exosomes of different cellular origins are different by content and function. However, exosomal surface membrane interacts with plasma components. This interaction may alter composition of exosomal surface and hence, provide these vesicles with new functional properties. This study was aimed to estimate composition and possible functional role of proteins attached on the surface of plasma exosomes. Methods Here, extracellular vesicles from human plasma were isolated by ultracentrifugation and treated by trypsin. Trypsinized and native exosomes were analyzed by nanoparticle tracking analysis, Western blotting and quantitative high-resolution mass spectrometry. Results Surface-attached proteins were removed from exosomes isolated from plasma of healthy donors by incubation with serine protease (trypsin). Treatment did not impact exosomes integrity while slightly reduced hydrodynamic radius. Mass spectrometry revealed 259 exosomal proteins; among them 79 proteins were completely removed and more than half of the proteins were partially removed by trypsinization. Gene ontology functional annotation revealed mostly extracellular locations of proteins cleaved from a surface of the plasma exosomes. Moreover, proteins cleaved from the exosome surface are supposed to be implicated into integrin-linked kinase (ILK), focal adhesion kinase (FAK) and other pathways connecting cell surface with intracellular signaling cascades. Conclusion Taken together, our results demonstrate that a surface of circulating exosomes is decorated by plasma proteins, and these proteins can mask tissue-specific characteristic of the exosomal surface membrane and provide exosomes with new and uniform properties.
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Affiliation(s)
- Tatiana Shtam
- N.N.Petrov National Medical Research Center of Oncology, 197758, Leningradskaya 68, St.-Petersburg, Russia.,Ltd Oncosystem, 143026, Lugovaya 4, Skolkovo Innovation Center, Moscow, Russia.,Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», 188300, Orlova roscha 1, Gatchina, Russia
| | - Stanislav Naryzhny
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», 188300, Orlova roscha 1, Gatchina, Russia.,Orekhovich Institute of Biomedical Chemistry of Russian Academy of Medical Sciences, 119121, Pogodinskaya 10, Moscow, Russia
| | - Arthur Kopylov
- Orekhovich Institute of Biomedical Chemistry of Russian Academy of Medical Sciences, 119121, Pogodinskaya 10, Moscow, Russia
| | - Elena Petrenko
- Orekhovich Institute of Biomedical Chemistry of Russian Academy of Medical Sciences, 119121, Pogodinskaya 10, Moscow, Russia
| | - Roman Samsonov
- N.N.Petrov National Medical Research Center of Oncology, 197758, Leningradskaya 68, St.-Petersburg, Russia.,Ltd Oncosystem, 143026, Lugovaya 4, Skolkovo Innovation Center, Moscow, Russia
| | - Roman Kamyshinsky
- National Research Center "Kurchatov Institute", 123098, Academician Kurchatov Square 1, Moscow, Russia
| | - Yana Zabrodskaya
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», 188300, Orlova roscha 1, Gatchina, Russia
| | - Daniil Nikitin
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, 32, Vavilova Str., Moscow, Russia
| | - Maxim Sorokin
- National Research Center "Kurchatov Institute", 123098, Academician Kurchatov Square 1, Moscow, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, 16/10 Miklukho-Maklaya Str., Moscow, Russia.,OmicsWay Corp., 91789, 340 S Lemon Ave, Walnut, CA, USA
| | - Anton Buzdin
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991, 32, Vavilova Str., Moscow, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, 117997, 16/10 Miklukho-Maklaya Str., Moscow, Russia.,OmicsWay Corp., 91789, 340 S Lemon Ave, Walnut, CA, USA.,I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991, 8-2 Trubetskaya St., Moscow, Russia
| | - Anastasia Malek
- N.N.Petrov National Medical Research Center of Oncology, 197758, Leningradskaya 68, St.-Petersburg, Russia.,Ltd Oncosystem, 143026, Lugovaya 4, Skolkovo Innovation Center, Moscow, Russia
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165
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Hadley EE, Sheller-Miller S, Saade G, Salomon C, Mesiano S, Taylor RN, Taylor BD, Menon R. Amnion epithelial cell-derived exosomes induce inflammatory changes in uterine cells. Am J Obstet Gynecol 2018; 219:478.e1-478.e21. [PMID: 30138617 PMCID: PMC6239974 DOI: 10.1016/j.ajog.2018.08.021] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 08/08/2018] [Accepted: 08/13/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Fetal endocrine signals are generally considered to contribute to the timing of birth and the initiation of labor. Fetal tissues under oxidative stress release inflammatory mediators that lead to sterile inflammation within the maternal-fetal interface. Importantly, these inflammatory mediators are packaged into exosomes, bioactive cell-derived extra cellular vesicles that function as vectors and transport them from the fetal side to the uterine tissues where they deposit their cargo into target cells enhancing uterine inflammatory load. This exosome-mediated signaling is a novel mechanism for fetal-maternal communication. OBJECTIVE This report tested the hypothesis that oxidative stress can induce fetal amnion cells to produce exosomes, which function as a paracrine intermediary between the fetus and mother and biochemically signal readiness for parturition. STUDY DESIGN Primary amnion epithelial cells were grown in normal cell culture (control) or exposed to oxidative stress conditions (induced by cigarette smoke extract). Exosomes were isolated from cell supernatant by sequential ultracentrifugation. Exosomes were quantified and characterized based on size, shape, and biochemical markers. Myometrial, decidual, and placental cells (BeWo) were treated with 2 × 105, 2 × 107, and 2 × 109 control or oxidative stress-derived amnion epithelial cell exosomes for 24 hours. Entry of amnion epithelial cell exosomes into cells was confirmed by confocal microscopy of fluorescent-labeled exosomes. The effect of amnion epithelial cell exosomes on target cell inflammatory status was determined by measuring production of interleukin-6, interleukin-8, interleukin-1β, tumor necrosis factor-α, and prostaglandin E2 by enzyme-linked immunosorbent assay and inflammatory gene transcription factor (nuclear factor-κβ) activation status by immunoblotting for phosphorylated RelA/p65. Localization of NANOG in term human myometrium and decidua obtained from women before labor and during labor was performed using immunohistochemistry. Data were analyzed by Wilcoxon-Mann-Whitney test to compare effects of exosomes from control and oxidative stress-treated amnion epithelial cells on inflammatory status of target cells. RESULTS Amnion epithelial cells released ∼125 nm, cup-shaped exosomes with ∼899 and 1211 exosomes released per cell from control and oxidative stress-induced cells, respectively. Amnion epithelial cell exosomes were detected in each target cell type after treatment using confocal microscopy. Treatment with amnion epithelial cell exosomes increased secretion of interleukin-6, interleukin-8, and PGE2 and activation of NF-κβ (each P < .05) in myometrial and decidual cells. Exosome treatments had no effect on interleukin-6 and PGE2 production in BeWo cells. NANOG staining was higher in term labor myometrium and decidua compared to tissues not in labor. CONCLUSION In vitro, amnion epithelial cell exosomes lead to an increased inflammatory response in maternal uterine cells whereas placental cells showed refractoriness. Fetal cell exosomes may function to signal parturition by increasing maternal gestational cell inflammation.
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Affiliation(s)
- Emily E Hadley
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, TX
| | - Samantha Sheller-Miller
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, TX; Department of Biochemistry and Molecular Biology, University of Texas Medical Branch at Galveston, Galveston, TX
| | - George Saade
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, TX
| | - Carlos Salomon
- Exosome Biology Laboratory, Center for Clinical Diagnostics, Center for Clinical Research, Royal Brisbane and Women's Hospital, University of Queensland, Brisbane, Australia; Department of Clinical Biochemistry and Immunology, Faculty of Pharmacy, University of Concepción, Concepción, Chile
| | - Sam Mesiano
- Department of Reproductive Biology, Case Western Reserve University, School of Medicine, Cleveland, OH
| | - Robert N Taylor
- Department of Obstetrics and Gynecology, Wake Forest School of Medicine, Winston-Salem, NC
| | - Brandie D Taylor
- Department of Epidemiology and Biostatistics, Texas A&M University, College Station, TX
| | - Ramkumar Menon
- Division of Maternal-Fetal Medicine and Perinatal Research, Department of Obstetrics and Gynecology, University of Texas Medical Branch at Galveston, Galveston, TX.
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Manandhar S, Park J, Kothandan VK, Lee J, Alam F, Jee JP, Hwang J, Byun Y, Hwang SR. Properties of Heparinoids Premixed with Tumor-Derived Extracellular Vesicles. Bioconjug Chem 2018; 29:3757-3767. [DOI: 10.1021/acs.bioconjchem.8b00637] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Jooho Park
- Center for Theragnosis, Biomedical Research Institute, Korea Institute of Science and Technology, 5, Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea
| | | | | | - Farzana Alam
- Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, Texas 79106, United States
| | | | | | - Youngro Byun
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
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167
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Extracellular Vesicles and Matrix Remodeling Enzymes: The Emerging Roles in Extracellular Matrix Remodeling, Progression of Diseases and Tissue Repair. Cells 2018; 7:cells7100167. [PMID: 30322133 PMCID: PMC6210724 DOI: 10.3390/cells7100167] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 09/17/2018] [Accepted: 10/12/2018] [Indexed: 12/21/2022] Open
Abstract
Extracellular vesicles (EVs) are membrane enclosed micro- and nano-sized vesicles that are secreted from almost every species, ranging from prokaryotes to eukaryotes, and from almost every cell type studied so far. EVs contain repertoire of bioactive molecules such as proteins (including enzymes and transcriptional factors), lipids, carbohydrates and nucleic acids including DNA, coding and non-coding RNAs. The secreted EVs are taken up by neighboring cells where they release their content in recipient cells, or can sail through body fluids to reach distant organs. Since EVs transport bioactive cargo between cells, they have emerged as novel mediators of extra- and intercellular activities in local microenvironment and inter-organ communications distantly. Herein, we review the activities of EV-associated matrix-remodeling enzymes such as matrix metalloproteinases, heparanases, hyaluronidases, aggrecanases, and their regulators such as extracellular matrix metalloproteinase inducers and tissue inhibitors of metalloproteinases as novel means of matrix remodeling in physiological and pathological conditions. We discuss how such EVs act as novel mediators of extracellular matrix degradation to prepare a permissive environment for various pathological conditions such as cancer, cardiovascular diseases, arthritis and metabolic diseases. Additionally, the roles of EV-mediated matrix remodeling in tissue repair and their potential applications as organ therapies have been reviewed. Collectively, this knowledge could benefit the development of new approaches for tissue engineering.
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168
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Abstract
Exosomes are natural nanoparticles that play an important role in cell-to-cell communication. Communication is achieved through the transfer of cargos, such as microRNAs, from donor to recipient cells and binding of exosomes to cell surface receptors. Exosomes and their cargos are also obtained from dietary sources, such as milk. Exosome and cell glycoproteins are crucial for intestinal uptake. A large fraction of milk exosomes accumulates in the brain, whereas the tissue distribution of microRNA cargos varies among distinct species of microRNA. The fraction of milk exosomes that escapes absorption elicits changes in microbial communities in the gut. Dietary depletion of exosomes and their cargos causes a loss of circulating microRNAs and elicits phenotypes such as loss of cognitive performance, increase in purine metabolites, loss of fecundity, and changes in the immune response. Milk exosomes meet the definition of bioactive food compounds.
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Affiliation(s)
- Janos Zempleni
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68583-0806, USA; , , , ,
| | - Sonal Sukreet
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68583-0806, USA; , , , ,
| | - Fang Zhou
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68583-0806, USA; , , , ,
| | - Di Wu
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68583-0806, USA; , , , ,
| | - Ezra Mutai
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska 68583-0806, USA; , , , ,
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169
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Ochieng J, Nangami G, Sakwe A, Rana T, Ingram S, Goodwin JS, Moye C, Lammers P, Adunyah SE. Extracellular histones are the ligands for the uptake of exosomes and hydroxyapatite-nanoparticles by tumor cells via syndecan-4. FEBS Lett 2018; 592:3274-3285. [PMID: 30179249 PMCID: PMC6188801 DOI: 10.1002/1873-3468.13236] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/13/2018] [Accepted: 08/28/2018] [Indexed: 12/17/2022]
Abstract
The mechanisms by which exosomes (nano-vesicular messengers of cells) are taken up by recipient cells are poorly understood. We hypothesized that histones associated with these nanoparticles are the ligands which facilitate their interaction with cell surface syndecan-4 (SDC4) to mediate their uptake. We show that the incubation with fetuin-A (exosome-associated proteins) and histones mediates the uptake of exosomes that are normally not endocytosed. Similarly, hydroxyapatite-nanoparticles incubated with fetuin-A and histones (FNH) are internalized by tumor cells, while nanoparticles incubated with fetuin-A alone (FN) are not. The uptake of exosomes and FNH, both of which move to the perinuclear region of the cell, is attenuated in SDC4-knockdown cells. Data show that FNH can compete with exosomes for uptake and that both use SDC4 as uptake receptors.
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Affiliation(s)
- Josiah Ochieng
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208,Corresponding author: Josiah Ochieng, Ph.D. ; phone: 615-327-6119; Fax: 615-327-6442
| | - Gladys Nangami
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208,Department of Internal Medicine, Meharry Medical College, Nashville, TN 37208
| | - Amos Sakwe
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208,Graduate School, Meharry Medical College, Nashville, TN 37208
| | - Tanu Rana
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208
| | - Shalonda Ingram
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208
| | - J. Shawn Goodwin
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208
| | - Cierra Moye
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208
| | - Philip Lammers
- Department of Internal Medicine, Meharry Medical College, Nashville, TN 37208
| | - Samuel E. Adunyah
- Departments of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College, Nashville, TN 37208
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170
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Karamanos NK, Piperigkou Z, Theocharis AD, Watanabe H, Franchi M, Baud S, Brézillon S, Götte M, Passi A, Vigetti D, Ricard-Blum S, Sanderson RD, Neill T, Iozzo RV. Proteoglycan Chemical Diversity Drives Multifunctional Cell Regulation and Therapeutics. Chem Rev 2018; 118:9152-9232. [DOI: 10.1021/acs.chemrev.8b00354] [Citation(s) in RCA: 193] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nikos K. Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Achilleas D. Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
| | - Hideto Watanabe
- Institute for Molecular Science of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Marco Franchi
- Department for Life Quality Studies, University of Bologna, Rimini 47100, Italy
| | - Stéphanie Baud
- Université de Reims Champagne-Ardenne, Laboratoire SiRMa, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Stéphane Brézillon
- Université de Reims Champagne-Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster 48149, Germany
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Davide Vigetti
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Sylvie Ricard-Blum
- University Claude Bernard Lyon 1, CNRS, UMR 5246, Institute of Molecular and Supramolecular Chemistry and Biochemistry, Villeurbanne 69622, France
| | - Ralph D. Sanderson
- Department of Pathology, Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Thomas Neill
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
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171
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Buzás EI, Tóth EÁ, Sódar BW, Szabó-Taylor KÉ. Molecular interactions at the surface of extracellular vesicles. Semin Immunopathol 2018; 40:453-464. [PMID: 29663027 PMCID: PMC6208672 DOI: 10.1007/s00281-018-0682-0] [Citation(s) in RCA: 200] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 03/26/2018] [Indexed: 12/21/2022]
Abstract
Extracellular vesicles such as exosomes, microvesicles, apoptotic bodies, and large oncosomes have been shown to participate in a wide variety of biological processes and are currently under intense investigation in many different fields of biomedicine. One of the key features of extracellular vesicles is that they have relatively large surface compared to their volume. Some extracellular vesicle surface molecules are shared with those of the plasma membrane of the releasing cell, while other molecules are characteristic for extracellular vesicular surfaces. Besides proteins, lipids, glycans, and nucleic acids are also players of extracellular vesicle surface interactions. Being secreted and present in high number in biological samples, collectively extracellular vesicles represent a uniquely large interactive surface area which can establish contacts both with cells and with molecules in the extracellular microenvironment. Here, we provide a brief overview of known components of the extracellular vesicle surface interactome and highlight some already established roles of the extracellular vesicle surface interactions in different biological processes in health and disease.
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Affiliation(s)
- Edit I Buzás
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary.
- MTA-SE Immune-Proteogenomics Research Group, Budapest, Hungary.
| | - Eszter Á Tóth
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Barbara W Sódar
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
| | - Katalin É Szabó-Taylor
- Department of Genetics, Cell- and Immunobiology, Semmelweis University, Budapest, Hungary
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172
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Menard JA, Cerezo-Magaña M, Belting M. Functional role of extracellular vesicles and lipoproteins in the tumour microenvironment. Philos Trans R Soc Lond B Biol Sci 2018; 373:rstb.2016.0480. [PMID: 29158310 DOI: 10.1098/rstb.2016.0480] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2017] [Indexed: 12/11/2022] Open
Abstract
Cancer can be regarded as an invasive organ that exhibits unique plasticity provided by coordinated, cancer cell-stromal cell communication in the tumour microenvironment. Typical stress factors in the tumour niche, such as hypoxia and acidosis, are major drivers and modulators of these events. Recent findings reveal an important role of extracellular vesicles and lipoproteins in cancer cell adaption to exogenous stress. Adaptive mechanisms include stimulation of angiogenesis and increased metastasis. Here, we will discuss the similarities and distinct features of these endogenous nanoparticles and their roles as signalosomes and nutrient sources in cancer. We will focus on the accumulating evidence for a central role of cell-surface heparan sulphate proteoglycans in the uptake of extracellular vesicles and lipoproteins.This article is part of the discussion meeting issue 'Extracellular vesicles and the tumour microenvironment'.
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Affiliation(s)
- Julien A Menard
- Department of Clinical Sciences, Section of Oncology and Pathology, Lund University, Lund, Sweden.,Department of Oncology, Skåne University Hospital, Lund, Sweden
| | - Myriam Cerezo-Magaña
- Department of Clinical Sciences, Section of Oncology and Pathology, Lund University, Lund, Sweden.,Department of Oncology, Skåne University Hospital, Lund, Sweden
| | - Mattias Belting
- Department of Clinical Sciences, Section of Oncology and Pathology, Lund University, Lund, Sweden .,Department of Oncology, Skåne University Hospital, Lund, Sweden
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173
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van der Grein SG, Defourny KAY, Slot EFJ, Nolte-'t Hoen ENM. Intricate relationships between naked viruses and extracellular vesicles in the crosstalk between pathogen and host. Semin Immunopathol 2018; 40:491-504. [PMID: 29789863 PMCID: PMC6208671 DOI: 10.1007/s00281-018-0678-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 03/15/2018] [Indexed: 12/17/2022]
Abstract
It is a long-standing paradigm in the field of virology that naked viruses cause lysis of infected cells to release progeny virus. However, recent data indicate that naked virus types of the Picornaviridae and Hepeviridae families can also leave cells via an alternative route involving enclosure in fully host-derived lipid bilayers. The resulting particles resemble extracellular vesicles (EV), which are 50 nm–1 μm vesicles released by all cells. These EV contain lipids, proteins, and RNA, and generally serve as vehicles for intercellular communication in various (patho)physiological processes. EV can act as carriers of naked viruses and as invisibility cloaks to evade immune attacks. However, the exact combination of virions and host-derived molecules determines how these virus-containing EV affect spread of infection and/or triggering of antiviral immune responses. An underexposed aspect in this research area is that infected cells likely release multiple types of virus-induced and constitutively released EV with unique molecular composition and function. In this review, we identify virus-, cell-, and environment-specific factors that shape the EV population released by naked virus-infected cells. In addition, current findings on the formation and molecular composition of EV induced by different virus types will be compared and placed in the context of the widely proven heterogeneity of EV populations and biases caused by different EV isolation methodologies. Close interactions between the fields of EV biology and virology will help to further delineate the intricate relationship between EV and naked viruses and its relevance for viral life cycles and outcomes of viral infections.
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Affiliation(s)
- Susanne G van der Grein
- Department of Biochemistry & Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Kyra A Y Defourny
- Department of Biochemistry & Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Erik F J Slot
- Department of Biochemistry & Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Esther N M Nolte-'t Hoen
- Department of Biochemistry & Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.
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174
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Extracellular Vesicles: A New Perspective in Tumor Therapy. BIOMED RESEARCH INTERNATIONAL 2018; 2018:2687954. [PMID: 29850495 PMCID: PMC5937590 DOI: 10.1155/2018/2687954] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 03/14/2018] [Indexed: 01/31/2023]
Abstract
In recent years, the study of extracellular vesicles has been booming across various industries. Extracellular vesicles are considered one of the most important physiological endogenous carriers for the specific delivery of molecular information (nucleonic acid, cytokines, enzymes, etc.) between cells. It has been discovered that they perform a critical role in promoting tumor cell growth, proliferation, tumor cell invasion, and metastatic ability and regulating the tumor microenvironment to promote tumor cell communication and metastasis. In this review, we will discuss (1) the mechanism of extracellular vesicles generation, (2) their role in tumorigenesis and cancer progression (cell growth and proliferation, tumor microenvironment, epithelial-mesenchymal transition (EMT), invasion, and metastasis), (3) the role of extracellular vesicles in immune therapy, (4) extracellular vesicles targeting in tumor therapy, and (5) the role of extracellular vesicles as biomarkers. It is our hope that better knowledge and understanding of the extracellular vesicles will offer a wider range of effective therapeutic targets for experimental tumor research.
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175
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Sedgwick AE, D'Souza-Schorey C. The biology of extracellular microvesicles. Traffic 2018; 19:319-327. [PMID: 29479795 DOI: 10.1111/tra.12558] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 02/16/2018] [Accepted: 02/16/2018] [Indexed: 12/11/2022]
Abstract
The study of extracellular vesicles (EVs) is a rapidly evolving field, owing in large part to recent advances in the realization of their significant contributions to normal physiology and disease. Once discredited as cell debris, these membrane vesicles have now emerged as mediators of intercellular communication by interaction with target cells, drug and gene delivery, and as potentially versatile platforms of clinical biomarkers as a result of their distinctive protein, nucleic acid and lipid cargoes. While there are multiple classes of EVs released from almost all cell types, here we focus primarily on the biogenesis, fate and functional cargoes of microvesicles (MVs). MVs regulate many important cellular processes including facilitating cell invasion, cell growth, evasion of immune response, stimulating angiogenesis, drug resistance and many others.
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Affiliation(s)
- Alanna E Sedgwick
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana
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176
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Berenguer J, Lagerweij T, Zhao XW, Dusoswa S, van der Stoop P, Westerman B, de Gooijer MC, Zoetemelk M, Zomer A, Crommentuijn MHW, Wedekind LE, López-López À, Giovanazzi A, Bruch-Oms M, van der Meulen-Muileman IH, Reijmers RM, van Kuppevelt TH, García-Vallejo JJ, van Kooyk Y, Tannous BA, Wesseling P, Koppers-Lalic D, Vandertop WP, Noske DP, van Beusechem VW, van Rheenen J, Pegtel DM, van Tellingen O, Wurdinger T. Glycosylated extracellular vesicles released by glioblastoma cells are decorated by CCL18 allowing for cellular uptake via chemokine receptor CCR8. J Extracell Vesicles 2018; 7:1446660. [PMID: 29696074 PMCID: PMC5912193 DOI: 10.1080/20013078.2018.1446660] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 02/23/2018] [Indexed: 02/07/2023] Open
Abstract
Cancer cells release extracellular vesicles (EVs) that contain functional biomolecules such as RNA and proteins. EVs are transferred to recipient cancer cells and can promote tumour progression and therapy resistance. Through RNAi screening, we identified a novel EV uptake mechanism involving a triple interaction between the chemokine receptor CCR8 on the cells, glycans exposed on EVs and the soluble ligand CCL18. This ligand acts as bridging molecule, connecting EVs to cancer cells. We show that glioblastoma EVs promote cell proliferation and resistance to the alkylating agent temozolomide (TMZ). Using in vitro and in vivo stem-like glioblastoma models, we demonstrate that EV-induced phenotypes are neutralised by a small molecule CCR8 inhibitor, R243. Interference with chemokine receptors may offer therapeutic opportunities against EV-mediated cross-talk in glioblastoma.
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Affiliation(s)
- Jordi Berenguer
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Tonny Lagerweij
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Xi Wen Zhao
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Sophie Dusoswa
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Petra van der Stoop
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Bart Westerman
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Mark C de Gooijer
- Department of Bio-Pharmacy/Mouse Cancer Clinic, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Marloes Zoetemelk
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Anoek Zomer
- Cancer Genomics Netherlands, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Matheus H W Crommentuijn
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands.,Department of Bio-Pharmacy/Mouse Cancer Clinic, The Netherlands Cancer Institute, Amsterdam, The Netherlands.,Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.,Program in Neuroscience, Harvard Medical School, Boston, MA, USA
| | - Laurine E Wedekind
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Àlan López-López
- Department of Physiological Sciences I, University of Barcelona, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Barcelona, Spain
| | - Alberta Giovanazzi
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Marina Bruch-Oms
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Rogier M Reijmers
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Toin H van Kuppevelt
- Department of Matrix Biochemistry, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Juan-Jesús García-Vallejo
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Yvette van Kooyk
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Bakhos A Tannous
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.,Program in Neuroscience, Harvard Medical School, Boston, MA, USA
| | - Pieter Wesseling
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,Department of Pathology, Princess Máxima Center for Pediatric Oncology and University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - W Peter Vandertop
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - David P Noske
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Victor W van Beusechem
- Department of Medical Oncology, VU University Medical Center, Amsterdam, The Netherlands
| | - Jacco van Rheenen
- Cancer Genomics Netherlands, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - D Michiel Pegtel
- Department of Matrix Biochemistry, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Olaf van Tellingen
- Department of Bio-Pharmacy/Mouse Cancer Clinic, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Thomas Wurdinger
- Department of Neurosurgery, VU University Medical Center, Amsterdam, The Netherlands.,Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.,Program in Neuroscience, Harvard Medical School, Boston, MA, USA
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177
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Dysregulated fibronectin trafficking by Hsp90 inhibition restricts prostate cancer cell invasion. Sci Rep 2018; 8:2090. [PMID: 29391407 PMCID: PMC5794796 DOI: 10.1038/s41598-018-19871-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/08/2018] [Indexed: 12/17/2022] Open
Abstract
The molecular chaperone Hsp90 is overexpressed in prostate cancer (PCa) and is responsible for the folding, stabilization and maturation of multiple oncoproteins, which are implicated in PCa progression. Compared to first-in-class Hsp90 inhibitors such as 17-allylamino-demethoxygeldanamycin (17-AAG) that were clinically ineffective, second generation inhibitor AUY922 has greater solubility and efficacy. Here, transcriptomic and proteomic analyses of patient-derived PCa explants identified cytoskeletal organization as highly enriched with AUY922 treatment. Validation in PCa cell lines revealed that AUY922 caused marked alterations to cell morphology, and suppressed cell motility and invasion compared to vehicle or 17-AAG, concomitant with dysregulation of key extracellular matrix proteins such as fibronectin (FN1). Interestingly, while the expression of FN1 was increased by AUY922, FN1 secretion was significantly decreased. This resulted in cytosolic accumulation of FN1 protein within late endosomes, suggesting that AUY922 disrupts vesicular secretory trafficking pathways. Depletion of FN1 by siRNA knockdown markedly reduced the invasive capacity of PCa cells, phenocopying AUY922. These results highlight a novel mechanism of action for AUY922 beyond its established effects on cellular mitosis and survival and, furthermore, identifies extracellular matrix cargo delivery as a potential therapeutic target for the treatment of aggressive PCa.
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178
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Microenvironment drug resistance in multiple myeloma: emerging new players. Oncotarget 2018; 7:60698-60711. [PMID: 27474171 PMCID: PMC5312413 DOI: 10.18632/oncotarget.10849] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 07/11/2016] [Indexed: 12/31/2022] Open
Abstract
Multiple myeloma (MM) drug resistance (DR) is a multistep transformation process based on a powerful interplay between bone marrow stromal cells and MM cells that allows the latter to escape anti-myeloma therapies. Here we present an overview of the role of the bone marrow microenvironment in both soluble factors-mediated drug resistance (SFM-DR) and cell adhesion-mediated drug resistance (CAM-DR), focusing on the role of new players, namely miRNAs, exosomes and cancer-associated fibroblasts.
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179
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Wang J, Faict S, Maes K, De Bruyne E, Van Valckenborgh E, Schots R, Vanderkerken K, Menu E. Extracellular vesicle cross-talk in the bone marrow microenvironment: implications in multiple myeloma. Oncotarget 2018; 7:38927-38945. [PMID: 26950273 PMCID: PMC5122441 DOI: 10.18632/oncotarget.7792] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 02/21/2016] [Indexed: 12/13/2022] Open
Abstract
The bone marrow (BM) represents a complex microenvironment containing stromal cells, immune cells, osteoclasts, osteoblasts, and hematopoietic cells, which are crucial for the immune response, bone formation, and hematopoiesis. Apart from soluble factors and direct cell-cell contact, extracellular vesicles (EVs), including exosomes, were recently identified as a third mediator for cell communication. Solid evidence has already demonstrated the involvement of various BM-derived cells and soluble factors in the regulation of multiple biological processes whereas the EV-mediated message delivery system from the BM has just been explored in recent decades. These EVs not only perform physiological functions but can also play a role in cancer development, including in Multiple Myeloma (MM) which is a plasma cell malignancy predominantly localized in the BM. This review will therefore focus on the multiple functions of EVs derived from BM cells, the manipulation of the BM by cancer-derived EVs, and the role of BM EVs in MM progression.
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Affiliation(s)
- Jinheng Wang
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Sylvia Faict
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Rik Schots
- Department of Clinical Hematology, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
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180
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van Niel G, D'Angelo G, Raposo G. Shedding light on the cell biology of extracellular vesicles. Nat Rev Mol Cell Biol 2018; 19:213-228. [PMID: 29339798 DOI: 10.1038/nrm.2017.125] [Citation(s) in RCA: 4557] [Impact Index Per Article: 759.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Extracellular vesicles are a heterogeneous group of cell-derived membranous structures comprising exosomes and microvesicles, which originate from the endosomal system or which are shed from the plasma membrane, respectively. They are present in biological fluids and are involved in multiple physiological and pathological processes. Extracellular vesicles are now considered as an additional mechanism for intercellular communication, allowing cells to exchange proteins, lipids and genetic material. Knowledge of the cellular processes that govern extracellular vesicle biology is essential to shed light on the physiological and pathological functions of these vesicles as well as on clinical applications involving their use and/or analysis. However, in this expanding field, much remains unknown regarding the origin, biogenesis, secretion, targeting and fate of these vesicles.
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Affiliation(s)
- Guillaume van Niel
- Center of Psychiatry and Neurosciences, INSERM U895, Paris 75014, France
| | - Gisela D'Angelo
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique UMR144, Structure and Membrane Compartments, Paris F-75005, France
| | - Graça Raposo
- Institut Curie, Paris Sciences et Lettres Research University, Centre National de la Recherche Scientifique UMR144, Structure and Membrane Compartments, Paris F-75005, France
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181
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Kulkarni R, Prasad A. Exosomes Derived from HIV-1 Infected DCs Mediate Viral trans-Infection via Fibronectin and Galectin-3. Sci Rep 2017; 7:14787. [PMID: 29093555 PMCID: PMC5665889 DOI: 10.1038/s41598-017-14817-8] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 10/16/2017] [Indexed: 12/28/2022] Open
Abstract
Exosomes are membrane enclosed nano-sized vesicles actively released into the extracellular milieu that can harbor genomic, proteomic and lipid cargos. Functionally, they are shown to regulate cell-cell communication and transmission of pathogens. Though studies have implicated a role for exosomes in HIV-1 pathogenesis, their mechanisms are not well defined. Here, we characterized exosomes derived from uninfected or HIV-1 infected T-cells and DCs. We demonstrate substantial differences in morphological, molecular and biogenesis machinery between exosomes derived from these two immune cell types. In addition, exosomes derived from HIV-1 infected DCs were 4 fold more infective than either cell free HIV-1 or exosomes derived from T-cells. Molecular analysis of exosomes detected the presence of fibronectin and galectin-3 in those derived from DCs, whereas T-cell exosomes lacked these molecules. Addition of anti-fibronectin antibody and β-lactose, a galectin-3 antagonist, significantly blocked DC exosome-mediated HIV-1 infection of T-cells. We also observed increased gene expression of the pro-inflammatory cytokines IFN-γ, TNF-α, IL-1β and RANTES and activation of p38/Stat pathways in T-cells exposed to exosomes derived from HIV-1 infected DCs. Our study provides insight into the role of exosomes in HIV pathogenesis and suggests they can be a target in development of novel therapeutic strategies against viral infection.
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Affiliation(s)
- Rutuja Kulkarni
- Division of Experimental Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
| | - Anil Prasad
- Division of Experimental Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA.
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182
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Newton WC, Kim JW, Luo JZQ, Luo L. Stem cell-derived exosomes: a novel vector for tissue repair and diabetic therapy. J Mol Endocrinol 2017; 59:R155-R165. [PMID: 28835418 DOI: 10.1530/jme-17-0080] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 08/23/2017] [Indexed: 12/15/2022]
Abstract
Exosomes are extracellular vesicles (EVs) secreted from a majority of cell types. Exosomes play a role in healthy and pathogenic intercellular interactions via the transfer of proteins, lipids and RNA. The contents and effects of exosomes vary depending on the properties of the originating cell. Exosomes secreted from some cell types, including stem cells, carry biological factors implicated in the protection, regeneration and angiogenesis of damaged tissues. Due to these properties, exosomes have attracted attention as a novel vector for regenerative therapies. Exosomes as a therapeutic tool could have applications for the treatment of many disorders characterized by chronic tissue damage. Exosomes derived from stem cells could be applied to repair or prevent damage from the complications of diabetes mellitus. The immunomodulatory and reparative properties of stem cell-derived exosomes could protect or even restore an early-stage type 1 diabetic patient's original islets from autoimmune destruction. Exosomes could also possibly suppress graft rejection of pancreatic islet transplants. Therefore, it is our recommendation that the treatment of diabetes mellitus using exosome-based therapies be further explored. Development of novel therapies using exosomes is slowed by a limited understanding of their mechanisms. This hurdle must be overcome to pave the way for clinical trials and ultimately the adaptation of exosomes as a therapeutic vector.
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Affiliation(s)
- William C Newton
- Department of MedicineThe Center of Stem Cell Biology, Roger Williams Hospital, Boston University, School of Medicine, Providence, Rhode Island, USA
| | - Joseph W Kim
- Department of MedicineThe Center of Stem Cell Biology, Roger Williams Hospital, Boston University, School of Medicine, Providence, Rhode Island, USA
| | - John Z Q Luo
- Department of MedicineThe Center of Stem Cell Biology, Roger Williams Hospital, Boston University, School of Medicine, Providence, Rhode Island, USA
- Insure HealthInc., Warwick, Rhode Island, USA
| | - LuGuang Luo
- Department of MedicineThe Center of Stem Cell Biology, Roger Williams Hospital, Boston University, School of Medicine, Providence, Rhode Island, USA
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183
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Abstract
It has been recognized that cancer-associated mortality is more often a result of the disrupted physiological functions in multiple organs following metastatic dissemination of cancer cells, rather than the presence and growth of the primary tumor. Despite advances in our understanding of the events leading to cancer initiation, growth, and acquisition of invasive properties, we are still unable to effectively treat metastatic disease. It is now being accepted that the secretion of extracellular vesicles, such as exosomes from cancer cells, has a profound impact on the initiation and propagation of metastatic breast cancer. These cancer-secreted vesicles differ from other means of cellular communication due to their capability of bulk delivery and organotropism. Here, we provide an overview of the role of extracellular vesicles in breast cancer metastasis and discuss key areas that may facilitate our understanding of metastatic breast cancer to guide our efforts towards providing better therapies.
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Affiliation(s)
- Andrew R Chin
- Department of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA
- City of Hope Irell & Manella Graduate School of Biological Sciences, Duarte, CA, 91010, USA
| | - Shizhen Emily Wang
- Department of Pathology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093, USA.
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184
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Sanderson RD, Bandari SK, Vlodavsky I. Proteases and glycosidases on the surface of exosomes: Newly discovered mechanisms for extracellular remodeling. Matrix Biol 2017; 75-76:160-169. [PMID: 29106944 DOI: 10.1016/j.matbio.2017.10.007] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 10/23/2017] [Accepted: 10/24/2017] [Indexed: 12/21/2022]
Abstract
Emergence of the field of exosome biology has opened an exciting door to better understand communication between cells. These tiny nanovesicles act as potent regulators of biological function by delivering proteins, lipids and nucleic acids from the cell of origin to target cells. Recently, several enzymes including membrane-type 1 matrix metalloproteinase (MT1-MMP), insulin-degrading enzyme (IDE), sialidase and heparanase, among others, were localized on the surface of exosomes secreted by various cell types. These exosomal surface enzymes retain their activity and can degrade their natural substrates present within extracellular spaces. To date, enzymes on exosome surfaces have been associated with the mobilization of growth factors, degradation of extracellular matrix macromolecules and destruction of amyloid β plaques. This review focuses on the emerging role of exosomal surface enzymes and how this mechanism of remodeling within the extracellular space may regulate disease progression as related to cancer, inflammation and Alzheimer's disease.
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Affiliation(s)
- Ralph D Sanderson
- University of Alabama at Birmingham, Department of Pathology, Birmingham 35294, USA.
| | - Shyam K Bandari
- University of Alabama at Birmingham, Department of Pathology, Birmingham 35294, USA
| | - Israel Vlodavsky
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine, Technion, Haifa 31096, Israel
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185
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Rilla K, Mustonen AM, Arasu UT, Härkönen K, Matilainen J, Nieminen P. Extracellular vesicles are integral and functional components of the extracellular matrix. Matrix Biol 2017; 75-76:201-219. [PMID: 29066152 DOI: 10.1016/j.matbio.2017.10.003] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/10/2017] [Accepted: 10/16/2017] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles (EV) are small plasma membrane-derived particles released into the extracellular space by virtually all cell types. Recently, EV have received increased interest because of their capability to carry nucleic acids, proteins, lipids and signaling molecules and to transfer their cargo into the target cells. Less attention has been paid to their role in modifying the composition of the extracellular matrix (ECM), either directly or indirectly via regulating the ability of target cells to synthesize or degrade matrix molecules. Based on recent results, EV can be considered one of the structural and functional components of the ECM that participate in matrix organization, regulation of cells within it, and in determining the physical properties of soft connective tissues, bone, cartilage and dentin. This review addresses the relevance of EV as specific modulators of the ECM, such as during the assembly and disassembly of the molecular network, signaling through the ECM and formation of niches suitable for tissue regeneration, inflammation and tumor progression. Finally, we assess the potential of these aspects of EV biology to translational medicine.
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Affiliation(s)
- Kirsi Rilla
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland.
| | - Anne-Mari Mustonen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Uma Thanigai Arasu
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Kai Härkönen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Johanna Matilainen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Petteri Nieminen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
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186
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Dabbah M, Attar-Schneider O, Tartakover Matalon S, Shefler I, Jarchwsky Dolberg O, Lishner M, Drucker L. Microvesicles derived from normal and multiple myeloma bone marrow mesenchymal stem cells differentially modulate myeloma cells' phenotype and translation initiation. Carcinogenesis 2017; 38:708-716. [PMID: 28838065 DOI: 10.1093/carcin/bgx045] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 05/03/2017] [Indexed: 12/11/2022] Open
Abstract
Multiple myeloma (MM) cells' interaction with the bone marrow (BM) microenvironment critically hinders disease therapy. Previously, we showed that MM co-culture with BM-mesenchymal stem cells (MSCs) caused co-modulation of translation initiation (TI) and cell phenotype and implicated secreted components, specifically microvesicles (MVs). Here, we studied the role of the BM-MSCs [normal donors (ND) and MM] secreted MVs in design of MM cells' phenotype, TI and signaling. BM-MSCs' MVs collected from BM-MSCs (MM/ND) cultures were applied to MM cell lines. After MVs uptake confirmation, the MM cells were assayed for viability, cell count and death, proliferation, migration, invasion, autophagy, TI status (factors, regulators, targets) and MAPKs activation. The interdependence of MAPKs, TI and autophagy was determined (inhibitors). ND-MSCs MVs' treated MM cells demonstrated a rapid (5 min) activation of MAPKs followed by a persistent decrease (1-24 h), while MM-MSCs MVs' treated cells demonstrated a rapid and continued (5 min-24 h) activation of MAPKs and TI (↑25-200%, P < 0.05). Within 24 h, BM-MSCs MVs were internalized by MM cells evoking opposite responses according to MVs origin. ND-MSCs' MVs decreased viability, proliferation, migration and TI (↓15-80%; P < 0.05), whereas MM-MSCs' MVs increased them (↑10-250%, P < 0.05). Inhibition of MAPKs in MM-MSCs MVs treated MM cells decreased TI and inhibition of autophagy elevated cell death. These data demonstrate that BM-MSCs MVs have a fundamental effect on MM cells phenotype in accordance with normal or pathological source implemented via TI modulation. Future studies will aim to elucidate the involvement of MVs-MM receptor ligand interactions and cargo transfer in our model.
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Affiliation(s)
- Mahmoud Dabbah
- Oncogenetic, Meir Medical Center, Kfar Saba, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | - Shelly Tartakover Matalon
- Oncogenetic, Meir Medical Center, Kfar Saba, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | | | | | - Michael Lishner
- Oncogenetic, Meir Medical Center, Kfar Saba, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Internal Medicine A, Meir Medical Center, Kfar Saba, Israel
| | - Liat Drucker
- Oncogenetic, Meir Medical Center, Kfar Saba, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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187
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Bandari SK, Purushothaman A, Ramani VC, Brinkley GJ, Chandrashekar DS, Varambally S, Mobley JA, Zhang Y, Brown EE, Vlodavsky I, Sanderson RD. Chemotherapy induces secretion of exosomes loaded with heparanase that degrades extracellular matrix and impacts tumor and host cell behavior. Matrix Biol 2017; 65:104-118. [PMID: 28888912 DOI: 10.1016/j.matbio.2017.09.001] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/31/2017] [Accepted: 09/01/2017] [Indexed: 12/21/2022]
Abstract
The heparan sulfate-degrading enzyme heparanase promotes the progression of many cancers by driving tumor cell proliferation, metastasis and angiogenesis. Heparanase accomplishes this via multiple mechanisms including its recently described effect on enhancing biogenesis of tumor exosomes. Because we recently discovered that heparanase expression is upregulated in myeloma cells that survive chemotherapy, we were prompted to investigate the impact of anti-myeloma drugs on exosome biogenesis. When myeloma cells were exposed to the commonly utilized anti-myeloma drugs bortezomib, carfilzomib or melphalan, exosome secretion by the cells was dramatically enhanced. These chemotherapy-induced exosomes (chemoexosomes) have a proteome profile distinct from cells not exposed to drug including a dramatic elevation in the level of heparanase present as exosome cargo. The chemoexosome heparanase was not found inside the chemoexosome, but was present on the exosome surface where it was capable of degrading heparan sulfate embedded within an extracellular matrix. When exposed to myeloma cells, chemoexosomes transferred their heparanase cargo to those cells, enhancing their heparan sulfate degrading activity and leading to activation of ERK signaling and an increase in shedding of the syndecan-1 proteoglycan. Exposure of chemoexosomes to macrophages enhanced their secretion of TNF-α, an important myeloma growth factor. Moreover, chemoexosomes stimulated macrophage migration and this effect was blocked by H1023, a monoclonal antibody that inhibits heparanase enzymatic activity. These data suggest that anti-myeloma therapy ignites a burst of exosomes having a high level of heparanase that remodels extracellular matrix and alters tumor and host cell behaviors that likely contribute to chemoresistance and eventual patient relapse. SUMMARY We find that anti-myeloma chemotherapy dramatically stimulates secretion of exosomes and alters exosome composition. Exosomes secreted during therapy contain high levels of heparanase on their surface that can degrade ECM and also can be transferred to both tumor and host cells, altering their behavior in ways that may enhance tumor survival and progression.
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Affiliation(s)
- Shyam K Bandari
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA
| | - Anurag Purushothaman
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA
| | - Vishnu C Ramani
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA
| | - Garrett J Brinkley
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA
| | | | | | - James A Mobley
- University of Alabama at Birmingham, Department of Surgery, Birmingham, 35294, USA
| | - Yi Zhang
- Eli Lilly and Company, New York, 10016, USA
| | - Elizabeth E Brown
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA
| | - Israel Vlodavsky
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine, Technion, Haifa 31096, Israel
| | - Ralph D Sanderson
- University of Alabama at Birmingham, Department of Pathology, Birmingham, 35294, USA.
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188
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Chondroitin sulfate proteoglycan serglycin influences protein cargo loading and functions of tumor-derived exosomes. Oncotarget 2017; 8:73723-73732. [PMID: 29088739 PMCID: PMC5650294 DOI: 10.18632/oncotarget.20564] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Accepted: 08/03/2017] [Indexed: 12/21/2022] Open
Abstract
Tumor cells produce and utilize exosomes to promote tumor growth and metastasis. Tumor-cell-derived exosomes deliver cargos that partially mimic the contents of the parent cell to nearby or distant normal or abnormal cells, thereby reprogramming the recipient cells to support tumor progression. Mechanisms by which tumor-derived exosomes subserve the tumor are under intense investigation. Here we demonstrate a critical role of the chondroitin sulfate proteoglycan serglycin in regulating the protein cargo and functions of myeloma cell-derived exosomes. Previous studies have shown that serglycin, the only known intracellular proteoglycan, functions mainly in the storage of basically charged components within the intracellular granules/vesicles via serglycin’s densely clustered, negatively charged glycosaminoglycan chains. Here we demonstrate that serglycin plays a critical role in the protein cargo loading of tumor-derived exosomes. Serglycin was detected in exosomes derived from cell culture supernatants of human myeloma cell lines and serum of myeloma patients. Mass spectrometry analysis of exosomal proteins identified significantly fewer protein components within exosomes derived from serglycin-knockdown myeloma cells than within exosomes from control cells. On gene ontology analysis, exosomes derived from serglycin-knockdown cells, but not from control cells, lacked many proteins that are required for mediating different cellular processes. In functional assays, exosomes from serglycin-knockdown cells failed to induce an invasive phenotype in myeloma cells and failed to promote migration of macrophages. These findings reveal that serglycin plays an important role in maintaining the protein cargo in tumor-derived exosomes and suggest that targeting serglycin may temper the influence of these exosomes on cancer progression.
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189
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Endothelial Dysfunction in Severe Preeclampsia is Mediated by Soluble Factors, Rather than Extracellular Vesicles. Sci Rep 2017; 7:5887. [PMID: 28725005 PMCID: PMC5517616 DOI: 10.1038/s41598-017-06178-z] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 06/09/2017] [Indexed: 11/24/2022] Open
Abstract
In severe early-onset preeclampsia (sPE) the placenta releases soluble angiogenesis-regulating proteins, trophoblast-derived fragments, and extracellular vesicles (EVs). Their relative importance in disease pathogenesis is not presently understood. We explanted placental villi from healthy and sPE women then separated the media into: total-conditioned, EV-depleted and EV-enriched media. Three fractions were compared for; angiogenic protein secretion by ELISA, angiogenic and inflammation gene mRNA expression and leukocyte adhesion assay. sPE placental villi secreted significantly less PlGF (70 ± 18 pg/mL) than preterm controls (338 ± 203; p = 0.03). sFlt-1:PlGF ratios in total-conditioned (115 ± 29) and EV-depleted media (136 ± 40) from sPE placental villi were significantly higher than in EV-enriched media (42 ± 12; p < 0.01) or any preterm or term media. Fluorescent-labeled EVs derived across normal gestation, but not from sPE, actively entered HUVECs. From sPE placental villi, the soluble fraction, but not EV-enriched fraction, significantly repressed angiogenesis (0.83 ± 0.05 fold, p = 0.02), induced HO-1 mRNA (15.3 ± 5.1 fold, p < 0.05) and induced leukocyte adhesion (2.2 ± 0.4 fold, p = 0.04). Soluble media (total-conditioned and EV-depleted media) from sPE placental villi induced endothelial dysfunction in HUVEC, while the corresponding EV-enriched fraction showed no such effects. Our data suggest that soluble factors including angiogenesis-regulating proteins, dominate the vascular pathology of this disease.
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190
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Klingeborn M, Dismuke WM, Bowes Rickman C, Stamer WD. Roles of exosomes in the normal and diseased eye. Prog Retin Eye Res 2017; 59:158-177. [PMID: 28465248 PMCID: PMC5537591 DOI: 10.1016/j.preteyeres.2017.04.004] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 04/28/2017] [Accepted: 04/28/2017] [Indexed: 12/21/2022]
Abstract
Exosomes are nanometer-sized vesicles that are released by cells in a controlled fashion and mediate a plethora of extra- and intercellular activities. Some key functions of exosomes include cell-cell communication, immune modulation, extracellular matrix turnover, stem cell division/differentiation, neovascularization and cellular waste removal. While much is known about their role in cancer, exosome function in the many specialized tissues of the eye is just beginning to undergo rigorous study. Here we review current knowledge of exosome function in the visual system in the context of larger bodies of data from other fields, in both health and disease. Additionally, we discuss recent advances in the exosome field including use of exosomes as a therapeutic vehicle, exosomes as a source of biomarkers for disease, plus current standards for isolation and validation of exosome populations. Finally, we use this foundational information about exosomes in the eye as a platform to identify areas of opportunity for future research studies.
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Affiliation(s)
- Mikael Klingeborn
- Department of Ophthalmology, Duke Eye Center, Duke University, Durham, NC 27710, USA
| | - W Michael Dismuke
- Department of Ophthalmology, Duke Eye Center, Duke University, Durham, NC 27710, USA
| | - Catherine Bowes Rickman
- Department of Ophthalmology, Duke Eye Center, Duke University, Durham, NC 27710, USA; Department of Cell Biology, Duke University, Durham, NC 27710, USA
| | - W Daniel Stamer
- Department of Ophthalmology, Duke Eye Center, Duke University, Durham, NC 27710, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27710, USA.
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191
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Caivano A, La Rocca F, Laurenzana I, Trino S, De Luca L, Lamorte D, Del Vecchio L, Musto P. Extracellular Vesicles in Hematological Malignancies: From Biology to Therapy. Int J Mol Sci 2017; 18:E1183. [PMID: 28574430 PMCID: PMC5486006 DOI: 10.3390/ijms18061183] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 05/29/2017] [Accepted: 05/30/2017] [Indexed: 12/22/2022] Open
Abstract
Extracellular vesicles (EVs) are a heterogeneous group of particles, between 15 nanometers and 10 microns in diameter, released by almost all cell types in physiological and pathological conditions, including tumors. EVs have recently emerged as particularly interesting informative vehicles, so that they could be considered a true "cell biopsy". Indeed, EV cargo, including proteins, lipids, and nucleic acids, generally reflects the nature and status of the origin cells. In some cases, EVs are enriched of peculiar molecular cargo, thus suggesting at least a degree of specific cellular packaging. EVs are identified as important and critical players in intercellular communications in short and long distance interplays. Here, we examine the physiological role of EVs and their activity in cross-talk between bone marrow microenvironment and neoplastic cells in hematological malignancies (HMs). In these diseases, HM EVs can modify tumor and bone marrow microenvironment, making the latter "stronger" in supporting malignancy, inducing drug resistance, and suppressing the immune system. Moreover, EVs are abundant in biologic fluids and protect their molecular cargo against degradation. For these and other "natural" characteristics, EVs could be potential biomarkers in a context of HM liquid biopsy and therapeutic tools. These aspects will be also analyzed in this review.
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Affiliation(s)
- Antonella Caivano
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 858028 Rionero in Vulture, Italy.
| | - Francesco La Rocca
- Laboratory of Clinical Research and Advanced Diagnostics, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
| | - Ilaria Laurenzana
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 858028 Rionero in Vulture, Italy.
| | - Stefania Trino
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 858028 Rionero in Vulture, Italy.
| | - Luciana De Luca
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 858028 Rionero in Vulture, Italy.
| | - Daniela Lamorte
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 858028 Rionero in Vulture, Italy.
| | - Luigi Del Vecchio
- CEINGE-Biotecnologie Avanzate scarl, Federico II University, 80138 Naples, Italy.
- Department of Molecular Medicine and Medical Biotechnologies, Federico II University, 80138 Naples, Italy.
| | - Pellegrino Musto
- Scientific Direction, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture, Italy.
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192
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Osawa S, Kurachi M, Yamamoto H, Yoshimoto Y, Ishizaki Y. Fibronectin on extracellular vesicles from microvascular endothelial cells is involved in the vesicle uptake into oligodendrocyte precursor cells. Biochem Biophys Res Commun 2017; 488:232-238. [PMID: 28499870 DOI: 10.1016/j.bbrc.2017.05.049] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 05/08/2017] [Indexed: 11/25/2022]
Abstract
We previously reported transplantation of brain microvascular endothelial cells (MVECs) into cerebral white matter infarction model improved the animal's behavioral outcome by increasing the number of oligodendrocyte precursor cells (OPCs). We also revealed extracellular vesicles (EVs) derived from MVECs promoted survival and proliferation of OPCs in vitro. In this study, we investigated the mechanism how EVs derived from MVECs contribute to OPC survival and proliferation. Protein mass spectrometry and enzyme-linked immunosorbent assay revealed fibronectin was abundant on the surface of EVs from MVECs. As fibronectin has been reported to promote OPC survival and proliferation via integrin signaling pathway, we blocked the binding between fibronectin and integrins using RGD sequence mimics. Blocking the binding, however, did not attenuate the survival and proliferation promoting effect of EVs on OPCs. Flow cytometric and imaging analyses revealed fibronectin on EVs mediates their internalization into OPCs by its binding to heparan sulfate proteoglycan on OPCs. OPC survival and proliferation promoted by EVs were attenuated by blocking the internalization of EVs into OPCs. These lines of evidence suggest that fibronectin on EVs mediates their internalization into OPCs, and the cargo of EVs promotes survival and proliferation of OPCs, independent of integrin signaling pathway.
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Affiliation(s)
- Sho Osawa
- Department of Neurosurgery, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan; Department of Molecular and Cellular Neurobiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Masashi Kurachi
- Department of Molecular and Cellular Neurobiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Hanako Yamamoto
- Department of Molecular and Cellular Neurobiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Yuhei Yoshimoto
- Department of Neurosurgery, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Yasuki Ishizaki
- Department of Molecular and Cellular Neurobiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma 371-8511, Japan.
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193
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Costa J. Glycoconjugates from extracellular vesicles: Structures, functions and emerging potential as cancer biomarkers. Biochim Biophys Acta Rev Cancer 2017; 1868:157-166. [PMID: 28347750 DOI: 10.1016/j.bbcan.2017.03.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 03/20/2017] [Accepted: 03/21/2017] [Indexed: 02/08/2023]
Abstract
Extracellular vesicles (EVs) are released by virtually all cells, carry cellular molecules to the extracellular environment, and may interact with other cells. They are found in body fluids, therefore, constituting useful target sources for the identification of disease biomarkers, for example, in cancer. EVs originate from the plasma membrane or from multivesicular endosomes. They have the same topology as the plasma membrane and are rich in glycoconjugates, displaying specific glycosignatures. Surface glycoconjugates play important roles in EVs biogenesis and in their interaction with other cells. Changes in glycosylation constitute a hallmark of different types of cancer, therefore, the study of glycoconjugates and glycosignatures of EVs appear as promising candidates to identify novel cancer biomarkers and to increase the specificity and sensitivity of the existing clinical biomarkers, many of which are glycosylated.
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Affiliation(s)
- Julia Costa
- Laboratory of Glycobiology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Avenida da República, 2780-157 Oeiras, Portugal.
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194
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Inamdar S, Nitiyanandan R, Rege K. Emerging applications of exosomes in cancer therapeutics and diagnostics. Bioeng Transl Med 2017; 2:70-80. [PMID: 28529978 PMCID: PMC5413841 DOI: 10.1002/btm2.10059] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 02/26/2017] [Accepted: 03/06/2017] [Indexed: 12/21/2022] Open
Abstract
Exosomes are nanoscale extracellular vesicles that are shed from different cells in the body. Exosomes encapsulate several biomolecules including lipids, proteins, and nucleic acids, and can therefore play a key role in cellular communication. These vesicles can be isolated from different body fluids and their small sizes make them attractive in various biomedical applications. Here, we review state-of-the art approaches in exosome isolation and purification, and describe their potential use in cancer vaccines, drug delivery, and diagnostics.
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Affiliation(s)
- Sahil Inamdar
- Chemical EngineeringArizona State UniversityTempeAZ 85287
| | | | - Kaushal Rege
- Chemical EngineeringArizona State UniversityTempeAZ 85287
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195
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Abstract
Tumor extracellular vesicles (EVs), including exosomes, emerged as key drivers of the pro-tumorigenic dialog between the tumor mass and its microenvironment by mediating long and short distance communication. In vitro studies defined the capacity of tumor EVs to modify the phenotypes of stromal and tumor cells. These studies are now supported by a growing number of functional in vivo experiments. Remarkably, they allowed the identification of a new role for tumor EVs in priming the pre-metastatic niches (PMN). Several molecules transported in tumor EVs (RNAs and proteins) have recently been found to be essential for tumor progression and metastasis in vivo. In parallel, novel EV labeling and tracking strategies have very recently allowed the first descriptions of tumor EVs in vivo and pave the way for a better understanding of their function in realistic pathophysiological contexts. Here, we review the functional approaches and the recent progress in in vivo imaging of EVs, which have refined our understanding of the role played by tumor EVs. Finally, we emphasize the remaining challenges and open questions related to the biology of tumor EVs.
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Affiliation(s)
- Vincent Hyenne
- a Inserm U1109, MN3T , Strasbourg , France.,b Université de Strasbourg , Strasbourg , France.,c LabEx Medalis, Université de Strasbourg , Strasbourg , France.,d Fédération de Médecine Translationnelle de Strasbourg (FMTS) , Strasbourg , France.,e CNRS SNC5055 , Strasbourg , France
| | - Olivier Lefebvre
- a Inserm U1109, MN3T , Strasbourg , France.,b Université de Strasbourg , Strasbourg , France.,c LabEx Medalis, Université de Strasbourg , Strasbourg , France.,d Fédération de Médecine Translationnelle de Strasbourg (FMTS) , Strasbourg , France
| | - Jacky G Goetz
- a Inserm U1109, MN3T , Strasbourg , France.,b Université de Strasbourg , Strasbourg , France.,c LabEx Medalis, Université de Strasbourg , Strasbourg , France.,d Fédération de Médecine Translationnelle de Strasbourg (FMTS) , Strasbourg , France
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196
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Vulpis E, Cecere F, Molfetta R, Soriani A, Fionda C, Peruzzi G, Caracciolo G, Palchetti S, Masuelli L, Simonelli L, D'Oro U, Abruzzese MP, Petrucci MT, Ricciardi MR, Paolini R, Cippitelli M, Santoni A, Zingoni A. Genotoxic stress modulates the release of exosomes from multiple myeloma cells capable of activating NK cell cytokine production: Role of HSP70/TLR2/NF-kB axis. Oncoimmunology 2017; 6:e1279372. [PMID: 28405503 PMCID: PMC5384384 DOI: 10.1080/2162402x.2017.1279372] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 12/17/2016] [Accepted: 01/02/2017] [Indexed: 02/08/2023] Open
Abstract
Exosomes are a class of nanovesicles formed and released through the late endosomal compartment and represent an important mode of intercellular communication. The ability of anticancer chemotherapy to enhance the immunogenic potential of malignant cells mainly relies on the establishment of the immunogenic cell death (ICD) and the release of damage-associated molecular patterns (DAMPs). Here, we investigated whether genotoxic stress could promote the release of exosomes from multiple myeloma (MM) cells and studied the immunomodulatory properties they exert on NK cells, a major component of the antitumor immune response playing a key role in the immunosurveillance of MM. Our findings show that melphalan, a genotoxic agent used in MM therapy, significantly induces an increased exosome release from MM cells. MM cell-derived exosomes are capable of stimulating IFNγ production, but not the cytotoxic activity of NK cells through a mechanism based on the activation of NF-κB pathway in a TLR2/HSP70-dependent manner. Interestingly, HSP70+ exosomes are primarily found in the bone marrow (BM) of MM patients suggesting that they might have a crucial immunomodulatory action in the tumor microenvironment. We also provide evidence that the CD56high NK cell subset is more responsive to exosome-induced IFNγ production mediated by TLR2 engagement. All together, these findings suggest a novel mechanism of synergism between chemotherapy and antitumor innate immune responses based on the drug-promotion of nanovesicles exposing DAMPs for innate receptors.
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Affiliation(s)
- Elisabetta Vulpis
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Francesca Cecere
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Rosa Molfetta
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Alessandra Soriani
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Cinzia Fionda
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Giovanna Peruzzi
- Istituto Italiano di Tecnologia, CLNS@Sapienza, Sapienza University of Rome, Rome, Italy
| | - Giulio Caracciolo
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Sara Palchetti
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Laura Masuelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Lucilla Simonelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Ugo D'Oro
- GlaxoSmithKline Vaccine, Siena Italy
| | - Maria Pia Abruzzese
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Maria Teresa Petrucci
- Department of Cellular Biotechnologies and Hematology, Sapienza University of Rome, Rome, Italy
| | - Maria Rosaria Ricciardi
- Division of Hematology, Department of Clinical and Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Rossella Paolini
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Marco Cippitelli
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
| | - Angela Santoni
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
- Istituto Mediterraneo di Neuroscienze Neuromed, Pozzilli, Italy
| | - Alessandra Zingoni
- Department of Molecular Medicine - Pasteur Italia Laboratory, Sapienza University of Rome, Rome, Italy
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197
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Sanderson RD, Elkin M, Rapraeger AC, Ilan N, Vlodavsky I. Heparanase regulation of cancer, autophagy and inflammation: new mechanisms and targets for therapy. FEBS J 2017; 284:42-55. [PMID: 27758044 PMCID: PMC5226874 DOI: 10.1111/febs.13932] [Citation(s) in RCA: 157] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 09/20/2016] [Accepted: 10/17/2016] [Indexed: 12/18/2022]
Abstract
Because of its impact on multiple biological pathways, heparanase has emerged as a major regulator of cancer, inflammation and other disease processes. Heparanase accomplishes this by degrading heparan sulfate which regulates the abundance and location of heparin-binding growth factors thereby influencing multiple signaling pathways that control gene expression, syndecan shedding and cell behavior. In addition, heparanase can act via nonenzymatic mechanisms that directly activate signaling at the cell surface. Clinical trials testing heparanase inhibitors as anticancer therapeutics are showing early signs of efficacy in patients further emphasizing the biological importance of this enzyme. This review focuses on recent developments in the field of heparanase regulation of cancer and inflammation, including the impact of heparanase on exosomes and autophagy, and novel mechanisms whereby heparanase regulates tumor metastasis, angiogenesis and chemoresistance. In addition, the ongoing development of heparanase inhibitors and their potential for treating cancer and inflammation are discussed.
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Affiliation(s)
- Ralph D. Sanderson
- Department of Pathology; Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Michael Elkin
- Sharett Oncology Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Alan C. Rapraeger
- Department of Human Oncology, Wisconsin Institutes for Medical Research, Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, USA
| | - Neta Ilan
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine, Technion, Haifa, Israel
| | - Israel Vlodavsky
- Cancer and Vascular Biology Research Center, Rappaport Faculty of Medicine, Technion, Haifa, Israel
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198
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Sison EAR, Kurre P, Kim YM. Understanding the bone marrow microenvironment in hematologic malignancies: A focus on chemokine, integrin, and extracellular vesicle signaling. Pediatr Hematol Oncol 2017; 34:365-378. [PMID: 29211600 PMCID: PMC6516746 DOI: 10.1080/08880018.2017.1395938] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Signaling between leukemia cells and nonhematopoietic cells in the bone marrow microenvironment contributes to leukemia cell growth and survival. This complicated extrinsic mechanism of chemotherapy resistance relies on a number of pathways and factors, some of which have yet to be determined. Research on cell-cell crosstalk the bone marrow microenvironment in acute leukemia was presented at the 2016 annual Therapeutic Advances in Childhood Leukemia (TACL) investigator meeting. This review summarizes the mini-symposium proceedings and focuses on chemokine signaling via the cell surface receptor CXCR4, adhesion molecule signaling via integrin α4, and crosstalk between leukemia cells and the bone marrow microenvironment that is mediated through extracellular vesicles.
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Affiliation(s)
| | - Peter Kurre
- Doernbecher Children’s Hospital, Oregon Health and Science University, Portland, Oregon
| | - Yong-Mi Kim
- Children’s Hospital of Los Angeles, Keck School of Medicine of the University of Southern California, Los Angeles, California
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199
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Ji M, Bai C, Li L, Fan Y, Ma C, Li X, Guan W. Biological characterization of sheep kidney-derived mesenchymal stem cells. Exp Ther Med 2016; 12:3963-3971. [PMID: 28105130 PMCID: PMC5228473 DOI: 10.3892/etm.2016.3902] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 09/01/2016] [Indexed: 12/29/2022] Open
Abstract
The aim of the present study was to isolate, culture and characterize sheep metanephric mesenchymal stem cells (MMSCs). The MMSCs were isolated from the kidney tissue of six-week-old sheep fetus. This study investigated whether primary MMSCs could be grown for 26 passages and expressed Oct-4, which is involved in the self-renewal of undifferentiated pluripotent stem cells. The MMSCs also expressed the renal lineage marker gene PAX2, and mesenchymal cell marker genes CD44, FN1 and VIM. Expression of these genes was detected using immunofluorescence and reverse transcription-polymerase chain reaction assays. Additionally, we observed that the MMSCs are able to differentiate into adipocyte, hepatocyte and chondrocyte cells. Karyotype analyses showed that these cells were 95% diploid and thus differentiated. These results indicate that the MMSCs obtained from sheep fetuses possessed certain characteristics of multipotent stem cells. Therefore, MMSCs may potentially offer utility for tissue engineering and cellular transplantation therapy, and further studies are required to investigate these uses.
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Affiliation(s)
- Meng Ji
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Chunyu Bai
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Lu Li
- Department of Animal Genetic Resources, College of Animal Science and Technology, Agricultural University of Hebei, Baoding, Hebei 071000, P.R. China
| | - Ya'Nan Fan
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Caiyun Ma
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Xiangchen Li
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Weijun Guan
- Department of Animal Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
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200
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Dismuke WM, Klingeborn M, Stamer WD. Mechanism of Fibronectin Binding to Human Trabecular Meshwork Exosomes and Its Modulation by Dexamethasone. PLoS One 2016; 11:e0165326. [PMID: 27783649 PMCID: PMC5081181 DOI: 10.1371/journal.pone.0165326] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 10/10/2016] [Indexed: 12/13/2022] Open
Abstract
Exosomes are emerging as important mediators of cell-matrix interactions by means of specific adhesion proteins. Changes in the tissue-specific exosomal protein expression may underlie pathological conditions whereby extracellular matrix turnover and homeostasis is disrupted. Ocular hypertension due to extracellular matrix accumulation in the trabecular meshwork is a hallmark of glucocorticoid-induced glaucoma. In the trabecular meshwork, exosomal fibronectin mediates cell matrix interactions at cellular structures called “invadosomes”. Trabecular meshwork cells use invadosomes to turn over their surrounding matrix and maintain passageways for flow of aqueous humor. In this study, we observed that human trabecular meshwork explants treated with dexamethasone released exosomes with significantly reduced amounts of fibronectin bound per exosome. Further, we found that exosome-fibronectin binding is heparan sulfate-dependent, consistent with our observation that trabecular meshwork exosomes are enriched in the heparin/heparan sulfate binding annexins A2 and A6. In this way, dexamethasone-treated explants released exosomes with a significant reduction in annexin A2 and A6 per exosome. Interestingly, we did not detect exosomal matrix metalloproteinases, but we identified abundant dipeptidyl peptidase 4, a serine protease whose activity was reduced on exosomes isolated from dexamethasone-treated explants. Together, our findings demonstrate mechanistically how corticosteroid-induced alterations in exosomal adhesion cargo and properties can account for the pathological matrix accumulation seen in many glaucoma patients.
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Affiliation(s)
- W. Michael Dismuke
- Department of Ophthalmology, Duke University, Durham, North Carolina, United States of America
| | - Mikael Klingeborn
- Department of Ophthalmology, Duke University, Durham, North Carolina, United States of America
| | - W. Daniel Stamer
- Department of Ophthalmology, Duke University, Durham, North Carolina, United States of America
- Department of Biomedical Engineering, Duke University, Durham, North Carolina, United States of America
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