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Collado A, Gan L, Tengbom J, Kontidou E, Pernow J, Zhou Z. Extracellular vesicles and their non-coding RNA cargos: Emerging players in cardiovascular disease. J Physiol 2023; 601:4989-5009. [PMID: 36094621 DOI: 10.1113/jp283200] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/02/2022] [Indexed: 11/08/2022] Open
Abstract
Extracellular vesicles (EVs), including exosomes, microvesicles and apoptotic bodies, have recently received attention as essential mechanisms for cell-to-cell communication in cardiovascular disease. EVs can be released from different types of cells, including endothelial cells, smooth muscle cells, cardiac cells, fibroblasts, platelets, adipocytes, immune cells and stem cells. Non-coding (nc)RNAs as EV cargos have recently been investigated in the cardiovascular system. Up- or downregulated ncRNAs in EVs have been shown to play a crucial role in various cardiovascular diseases. Communication via EV-derived ncRNAs can occur between cells of the same type and between different types of cells involved in the pathophysiology of cardiovascular disease. In the present review, we highlight the important aspects of diverse cell-derived EVs and their ncRNA cargos as disease mediators and potential therapeutic targets in atherosclerosis, coronary artery disease, ischaemic heart disease and cardiac fibrosis. In addition, we summarize the potential of EV-derived ncRNAs in the treatment of cardiovascular disease. Finally, we discuss the different methods for EV isolation and characterization. A better understanding of the specific role of EVs and their ncRNA cargos in the regulation of cardiovascular (dys)function will be of importance for the development of diagnostic and therapeutic tools for cardiovascular disease.
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Affiliation(s)
- Aida Collado
- Division of Cardiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Lu Gan
- Laboratory of Emergency Medicine, Department of Emergency Medicine, West China Hospital, Sichuan University, Chengdu, PR China
| | - John Tengbom
- Division of Cardiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Eftychia Kontidou
- Division of Cardiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - John Pernow
- Division of Cardiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
- Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
| | - Zhichao Zhou
- Division of Cardiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
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2
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Nucleic acid delivery with extracellular vesicles. Adv Drug Deliv Rev 2021; 173:89-111. [PMID: 33746014 DOI: 10.1016/j.addr.2021.03.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/16/2021] [Accepted: 03/08/2021] [Indexed: 12/14/2022]
Abstract
Extracellular vesicles (EVs) are membrane-enclosed particles, heterogeneous in size, shape, contents, biogenesis and structure. They are released by eukaryotic and prokaryotic cells and exert (patho-)physiological roles as mediators for transmitting molecular information from the producer (donor) to a recipient cell. This review focuses on the potential of EVs for delivering nucleic acids, as particularly problematic cargoes with regard to stability/protection and uptake efficacy. It highlights important properties of EVs for nucleic acid delivery and discusses their physiological and pathophysiological roles with regard to various cellular RNA species. It then describes the application of EVs for delivering a broad selection of nucleic acids/oligonucleotides, in particular giving a comprehensive overview of preclinical in vivo studies and the various strategies explored. In this context, different techniques for EV loading are discussed, as well as other important technical aspects related to EV preparation, characterization and in particular, the various approaches of artificial EV modification.
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3
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Karttunen J, Stewart SE, Kalmar L, Grant AJ, Karet Frankl FE, Williams TL. Size-Exclusion Chromatography Separation Reveals That Vesicular and Non-Vesicular Small RNA Profiles Differ in Cell Free Urine. Int J Mol Sci 2021; 22:ijms22094881. [PMID: 34063036 PMCID: PMC8124894 DOI: 10.3390/ijms22094881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/22/2021] [Accepted: 04/30/2021] [Indexed: 12/26/2022] Open
Abstract
Urinary extracellular vesicles (EVs) and their RNA cargo are a novel source of biomarkers for various diseases. We aimed to identify the optimal method for isolating small (<200 nm) EVs from human urine prior to small RNA analysis. EVs from filtered healthy volunteer urine were concentrated using three methods: ultracentrifugation (UC); a precipitation-based kit (PR); and ultrafiltration (UF). EVs were further purified by size-exclusion chromatography (SEC). EV preparations were analysed with transmission electron microscopy (TEM), Western blotting, nanoparticle tracking analysis (NTA) and an Agilent Bioanalyzer Small RNA kit. UF yielded the highest number of particles both before and after SEC. Small RNA analysis from UF-concentrated urine identified two major peaks at 10–40 nucleotides (nt) and 40–80 nt. In contrast, EV preparations obtained after UC, PR or SEC combined with any concentrating method, contained predominantly 40–80 nt sized small RNA. Protein fractions from UF+SEC contained small RNA of 10–40 nt in size (consistent with miRNAs). These data indicate that most of the microRNA-sized RNAs in filtered urine are not associated with small-sized EVs, and highlights the importance of removing non-vesicular proteins and RNA from urine EV preparations prior to small RNA analysis.
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Affiliation(s)
- Jenni Karttunen
- Department of Veterinary Medicine, University of Cambridge, Cambridge CB3 0ES, UK; (J.K.); (L.K.); (A.J.G.)
| | - Sarah E. Stewart
- Metabolic Research Laboratories, Wellcome Trust-Medical Research Council Institute of Metabolic Science, University of Cambridge, Cambridge CB2 0QQ, UK;
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3086, Australia
| | - Lajos Kalmar
- Department of Veterinary Medicine, University of Cambridge, Cambridge CB3 0ES, UK; (J.K.); (L.K.); (A.J.G.)
| | - Andrew J. Grant
- Department of Veterinary Medicine, University of Cambridge, Cambridge CB3 0ES, UK; (J.K.); (L.K.); (A.J.G.)
| | | | - Tim L. Williams
- Department of Veterinary Medicine, University of Cambridge, Cambridge CB3 0ES, UK; (J.K.); (L.K.); (A.J.G.)
- Correspondence:
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4
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Examining the evidence for extracellular RNA function in mammals. Nat Rev Genet 2021; 22:448-458. [PMID: 33824487 DOI: 10.1038/s41576-021-00346-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 12/21/2022]
Abstract
The presence of RNAs in the extracellular milieu has sparked the hypothesis that RNA may play a role in mammalian cell-cell communication. As functional nucleic acids transfer from cell to cell in plants and nematodes, the idea that mammalian cells also transfer functional extracellular RNA (exRNA) is enticing. However, untangling the role of mammalian exRNAs poses considerable experimental challenges. This Review discusses the evidence for and against functional exRNAs in mammals and their proposed roles in health and disease, such as cancer and cardiovascular disease. We conclude with a discussion of the forward-looking prospects for studying the potential of mammalian exRNAs as mediators of cell-cell communication.
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Marchand V, Galvanin A, Motorin Y. Isolation, Extraction and Deep-Sequencing Analysis of Extracellular RNAs (exRNAs) from Human Plasma. Methods Mol Biol 2021; 2300:165-182. [PMID: 33792880 DOI: 10.1007/978-1-0716-1386-3_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Extracellular RNAs (exRNAs) are secreted by nearly all cell types and are now known to play multiple physiological roles. Human plasma, a readily available sample for biomedical analysis, was reported to contain various subpopulations of exRNA, some of which are most likely components of plasma ribonucleoproteins (RNPs), while others are encapsulated into extracellular vesicles (EVs) of different size, origin, and composition. Unbiased analysis of exRNA composition can be performed with prefractionation of plasma exRNA followed by library preparation, sequencing, and bioinformatics analysis. In addition to "mature," adaptor ligation-competent RNA species (5'-P/3'-OH), human plasma contains a substantial proportion of degraded RNA fragments, featuring 5'-OH/3'-P or cyclophosphate extremities, which can be made competent for ligation using appropriate treatment. Polyethylene glycol (PEG)-based precipitation kits for EV isolation yield a fraction that is highly contaminated by large RNPs and EV-associated RNAs. Purer EV preparations are obtained by using Proteinase K and RNase A treatment, as well as by size-exclusion chromatography (SEC).
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Affiliation(s)
- Virginie Marchand
- Université de Lorraine, CNRS, INSERM, IBSLOR, F-54000 Nancy, France.
| | | | - Yuri Motorin
- Université de Lorraine, CNRS, INSERM, IBSLOR, F-54000 Nancy, France.,Université de Lorraine, CNRS, IMoPA, F-54000 Nancy, France
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Preissner KT, Fischer S, Deindl E. Extracellular RNA as a Versatile DAMP and Alarm Signal That Influences Leukocyte Recruitment in Inflammation and Infection. Front Cell Dev Biol 2020; 8:619221. [PMID: 33392206 PMCID: PMC7775424 DOI: 10.3389/fcell.2020.619221] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 11/30/2020] [Indexed: 12/11/2022] Open
Abstract
Upon vascular injury, tissue damage, ischemia, or microbial infection, intracellular material such as nucleic acids and histones is liberated and comes into contact with the vessel wall and circulating blood cells. Such "Danger-associated molecular patterns" (DAMPs) may thus have an enduring influence on the inflammatory defense process that involves leukocyte recruitment and wound healing reactions. While different species of extracellular RNA (exRNA), including microRNAs and long non-coding RNAs, have been implicated to influence inflammatory processes at different levels, recent in vitro and in vivo work has demonstrated a major impact of ribosomal exRNA as a prominent DAMP on various steps of leukocyte recruitment within the innate immune response. This includes the induction of vascular hyper-permeability and vasogenic edema by exRNA via the activation of the "vascular endothelial growth factor" (VEGF) receptor-2 system, as well as the recruitment of leukocytes to the inflamed endothelium, the M1-type polarization of inflammatory macrophages, or the role of exRNA as a pro-thrombotic cofactor to promote thrombosis. Beyond sterile inflammation, exRNA also augments the docking of bacteria to host cells and the subsequent microbial invasion. Moreover, upon vessel occlusion and ischemia, the shear stress-induced release of exRNA initiates arteriogenesis (i.e., formation of natural vessel bypasses) in a multistep process that resembles leukocyte recruitment. Although exRNA can be counteracted for by natural circulating RNase1, under the conditions mentioned, only the administration of exogenous, thermostable, non-toxic RNase1 provides an effective and safe therapeutic regimen for treating the damaging activities of exRNA. It remains to be investigated whether exRNA may also influence viral infections (including COVID-19), e.g., by supporting the interaction of host cells with viral particles and their subsequent invasion. In fact, as a consequence of the viral infection cycle, massive amounts of exRNA are liberated, which can provoke further tissue damage and enhance virus dissemination. Whether the application of RNase1 in this scenario may help to limit the extent of viral infections like COVID-19 and impact on leukocyte recruitment and emigration steps in immune defense in order to limit the extent of associated cardiovascular diseases remains to be studied.
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Affiliation(s)
- Klaus T. Preissner
- Department of Biochemistry, Medical School, Justus Liebig University Giessen, Giessen, Germany
- Kerckhoff-Heart-Research-Institute, Department of Cardiology, Medical School, Justus Liebig University Giessen, Giessen, Germany
| | - Silvia Fischer
- Department of Biochemistry, Medical School, Justus Liebig University Giessen, Giessen, Germany
| | - Elisabeth Deindl
- Walter-Brendel-Centre of Experimental Medicine, University Hospital, LMU Munich, Munich, Germany
- Biomedical Center, Institute of Cardiovascular Physiology and Pathophysiology, LMU Munich, Munich, Germany
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7
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Bozack AK, Colicino E, Rodosthenous R, Bloomquist TR, Baccarelli AA, Wright RO, Wright RJ, Lee AG. Associations between maternal lifetime stressors and negative events in pregnancy and breast milk-derived extracellular vesicle microRNAs in the programming of intergenerational stress mechanisms (PRISM) pregnancy cohort. Epigenetics 2020; 16:389-404. [PMID: 32777999 DOI: 10.1080/15592294.2020.1805677] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Maternal stress is associated with adverse child health. Breast milk microRNAs encapsulated in extracellular vesicles (EVs) are involved in mother-infant biochemical communication during early-life programming. We leverage the PRogramming of Intergenerational Stress Mechanisms (PRISM) pregnancy cohort to investigate associations between maternal stress and breast milk EV-microRNAs. Lifetime stress and negative life events (NLEs) during pregnancy were assessed using the Life Stressor Checklist-Revised (LSCR) and the Crisis in Family Systems-Revised surveys, respectively. RNA was extracted from breast milk EVs (N = 80; collected 6.1 ± 5.9 weeks postnatally), and microRNAs were profiled using the TaqMan OpenArray Human miRNA panel. Associations between stress scores and detection (yes/no) of 173 microRNAs identified in 20-80% of samples were assessed using logistic regression; associations with expression levels of 205 EV-microRNAs identified in >50% of samples were assessed using linear regression. In adjusted models, detection of 60 and 44 EV-microRNAs was associated with higher LSCR and NLE scores, respectively (p < 0.05). Expression level of 8 and 17 EV-microRNAs was associated with LSCR and NLE scores, respectively, at our a priori criteria of p < 0.05 and |Bregression|>0.2. Enriched KEGG pathways for microRNAs associated with stress scores included fatty acid metabolism and the Hippo signaling pathway. Maternal lifetime stress and NLEs during pregnancy were both associated with detection and expression level of breast milk EV-microRNAs, although associations with microRNA profiles differed between stress measures. Further research is needed to identify biological pathways impacted by associated microRNAs and investigate relationships with child health outcomes.Abbreviations: EV: extracellular vesicle; PRISM: PRogramming of Intergenerational Stress Mechanisms pregnancy cohort; LSCR: Life Stressor Checklist-Revised survey; NLE: negative life event; CRISYS-R: Crisis in Family Systems-Revised survey; KEGG: Kyoto Encyclopaedia of Genes and Genomes; NYC: New York City; SD: standard deviation; IQR: interquartile range; Cq: relative cycle threshold values; PCA: principal component analysis.
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Affiliation(s)
- Anne K Bozack
- Division of Pulmonary Medicine, Icahn School of Medicine at Mount Sinai, New York, USA.,Department of Environmental Medicine and Public Health, New York, NY, USA
| | - Elena Colicino
- Department of Environmental Medicine and Public Health, New York, NY, USA
| | | | - Tessa R Bloomquist
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Robert O Wright
- Department of Environmental Medicine and Public Health, New York, NY, USA
| | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, New York, NY, USA
| | - Alison G Lee
- Division of Pulmonary Medicine, Icahn School of Medicine at Mount Sinai, New York, USA
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8
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Diversity and heterogeneity of extracellular RNA in human plasma. Biochimie 2019; 164:22-36. [PMID: 31108123 DOI: 10.1016/j.biochi.2019.05.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/14/2019] [Indexed: 12/15/2022]
Abstract
Extracellular RNAs (exRNAs) are secreted by nearly all cell types and are now known to play multiple physiological roles. In humans, exRNA populations are found in nearly any physiological liquid and are attracting growing interest as a potential source for biomarker discovery. Human plasma, a readily available sample for biomedical analysis, reported to contain various subpopulations of exRNA, some of which are most likely components of plasma ribonucleoproteins (RNPs), while others are encapsulated into extracellular vesicles (EVs) of different size, origin and composition. This variation explains the extreme complexity of the human exRNA fraction in plasma. In this work, we aimed to characterize exRNA species from blood samples of healthy human donors to achieve the most comprehensive overview of the species, sizes and origins of the exRNA present in plasma fractions. Unbiased analysis of exRNA composition was performed with prefractionation of plasma exRNA followed by library preparation, sequencing and bioinformatics analysis. Our results demonstrate that, in addition to "mature", adaptor ligation-competent RNA species (5'-P/3'-OH), human plasma contains a substantial proportion of degraded RNA fragments (5'-OH/3'-P or cycloP), which can be made competent for ligation using appropriate treatments. These degraded RNAs represent the major fraction in the overall population and mostly correspond to rRNA, in contrast to mature products, which mostly contain miRNAs and hY4 RNA fragments. Precipitation polyethylene glycol (PEG)-based kits for EV isolation yield a fraction that is highly contaminated by large RNPs and by RNA loosely bound to EVs. Purer EV preparations are obtained by using proteinase K and RNase A treatment, as well as by size-exclusion chromatography (SEC). These samples have rather distinct RNA compositions compared to PEG-precipitated EV preparations and contain a substantial proportion of exRNA of non-human origin, arising from human skin and gut microbiota, including viral microbiota. These exogenous exRNAs represent up to 75-80% of total RNA reads in highly purified extracellular vesicles, paving the way for biomedical exploitation of these non-human biomarkers.
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9
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Dong L, Zieren RC, Wang Y, de Reijke TM, Xue W, Pienta KJ. Recent advances in extracellular vesicle research for urological cancers: From technology to application. Biochim Biophys Acta Rev Cancer 2019; 1871:342-360. [DOI: 10.1016/j.bbcan.2019.01.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 01/28/2019] [Accepted: 01/28/2019] [Indexed: 02/09/2023]
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10
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Roy S, Lin HY, Chou CY, Huang CH, Small J, Sadik N, Ayinon CM, Lansbury E, Cruz L, Yekula A, Jones PS, Balaj L, Carter BS. Navigating the Landscape of Tumor Extracellular Vesicle Heterogeneity. Int J Mol Sci 2019; 20:ijms20061349. [PMID: 30889795 PMCID: PMC6471355 DOI: 10.3390/ijms20061349] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 03/08/2019] [Accepted: 03/08/2019] [Indexed: 01/01/2023] Open
Abstract
The last decade has seen a rapid expansion of interest in extracellular vesicles (EVs) released by cells and proposed to mediate intercellular communication in physiological and pathological conditions. Considering that the genetic content of EVs reflects that of their respective parent cell, many researchers have proposed EVs as a source of biomarkers in various diseases. So far, the question of heterogeneity in given EV samples is rarely addressed at the experimental level. Because of their relatively small size, EVs are difficult to reliably isolate and detect within a given sample. Consequently, standardized protocols that have been optimized for accurate characterization of EVs are lacking despite recent advancements in the field. Continuous improvements in pre-analytical parameters permit more efficient assessment of EVs, however, methods to more objectively distinguish EVs from background, and to interpret multiple single-EV parameters are lacking. Here, we review EV heterogeneity according to their origin, mode of release, membrane composition, organelle and biochemical content, and other factors. In doing so, we also provide an overview of currently available and potentially applicable methods for single EV analysis. Finally, we examine the latest findings from experiments that have analyzed the issue at the single EV level and discuss potential implications.
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Affiliation(s)
- Sabrina Roy
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Hsing-Ying Lin
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Chung-Yu Chou
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
- Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City 32001, Taiwan.
| | - Chen-Han Huang
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City 32001, Taiwan.
| | - Julia Small
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Noah Sadik
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
- Department of Biomedical Engineering, Columbia University, New York City, NY 10027, USA.
| | - Caroline M Ayinon
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Elizabeth Lansbury
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Lilian Cruz
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Anudeep Yekula
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Pamela S Jones
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Leonora Balaj
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
| | - Bob S Carter
- Department of Neurosurgery, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA.
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