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Abstract
PURPOSE This article will briefly review the origins and evolution of functional genomics, first describing the experimental technology, and then some of the approaches applied to data analysis and visualization. It will emphasize application of functional genomics to radiation biology, using examples from the author's work to illustrate several key types of analysis. It concludes with a look at non-coding RNA, alternative reading of the genome, and single-cell transcriptomics, some of the innovative areas that may help to shape future research in radiation biology and oncology. CONCLUSIONS Transcriptomic approaches have provided insight into many areas of radiation biology and medicine, and innovations in technology and data analysis approaches promise continued contributions to radiation science in the future.
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Licursi V, Wang W, Di Nisio E, Cammarata FP, Acquaviva R, Russo G, Manti L, Cestelli Guidi M, Fratini E, Kamel G, Amendola R, Pisciotta P, Negri R. Transcriptional modulations induced by proton irradiation in mice skin in function of adsorbed dose and distance. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2021. [DOI: 10.1080/16878507.2021.1949675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Valerio Licursi
- Department of Biology and Biotechnologies C. Darwin, Sapienza University of Rome, Rome, Italy
| | - Wei Wang
- Department of Biology and Biotechnologies C. Darwin, Sapienza University of Rome, Rome, Italy
| | - Elena Di Nisio
- Department of Biology and Biotechnologies C. Darwin, Sapienza University of Rome, Rome, Italy
| | - Francesco P. Cammarata
- Institute of Molecular Bioimaging and Physiology (IBFM-CNR) , CNR, Cefalù (PA), Italy
- Laboratori Nazionali del Sud, INFN, Catania, Italy
| | - Rosaria Acquaviva
- Laboratori Nazionali del Sud, INFN, Catania, Italy
- Department of Drug and Health Science, Biochemistry section, University of Catania, Catania, Italy
| | - Giorgio Russo
- Institute of Molecular Bioimaging and Physiology (IBFM-CNR) , CNR, Cefalù (PA), Italy
- Laboratori Nazionali del Sud, INFN, Catania, Italy
| | - Lorenzo Manti
- Department of Physics “E. Pancini” University of Naples Federico II, University of Naples Federico II, Naples, Italy
- Section of Naples, INFN, Naples, Italy
| | | | - Emiliano Fratini
- Department of Science, University of Rome “Roma Tre”, Rome, Italy
| | - Gihan Kamel
- SESAME (Synchrotron - Light for Experimental Science and Applications in the Middle East), Allan, Jordan
- Department of Physics, Faculty of Science, Helwan University, Cairo, Egypt
| | - Roberto Amendola
- SSPT-TECS-SAM, CR Casaccia, ENEA, SSPT-TECS-SAM, CR Casaccia, Rome, Italy
| | - Pietro Pisciotta
- Institute of Molecular Bioimaging and Physiology (IBFM-CNR) , CNR, Cefalù (PA), Italy
- Laboratori Nazionali del Sud, INFN, Catania, Italy
- Department of Radiotherapy, University of Groningen, University Medical Center Groningen, The Netherlands
| | - Rodolfo Negri
- Department of Biology and Biotechnologies C. Darwin, Sapienza University of Rome, Rome, Italy
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Di Nisio E, Lupo G, Licursi V, Negri R. The Role of Histone Lysine Methylation in the Response of Mammalian Cells to Ionizing Radiation. Front Genet 2021; 12:639602. [PMID: 33859667 PMCID: PMC8042281 DOI: 10.3389/fgene.2021.639602] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/11/2021] [Indexed: 12/20/2022] Open
Abstract
Eukaryotic genomes are wrapped around nucleosomes and organized into different levels of chromatin structure. Chromatin organization has a crucial role in regulating all cellular processes involving DNA-protein interactions, such as DNA transcription, replication, recombination and repair. Histone post-translational modifications (HPTMs) have a prominent role in chromatin regulation, acting as a sophisticated molecular code, which is interpreted by HPTM-specific effectors. Here, we review the role of histone lysine methylation changes in regulating the response to radiation-induced genotoxic damage in mammalian cells. We also discuss the role of histone methyltransferases (HMTs) and histone demethylases (HDMs) and the effects of the modulation of their expression and/or the pharmacological inhibition of their activity on the radio-sensitivity of different cell lines. Finally, we provide a bioinformatic analysis of published datasets showing how the mRNA levels of known HMTs and HDMs are modulated in different cell lines by exposure to different irradiation conditions.
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Affiliation(s)
- Elena Di Nisio
- Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, Rome, Italy
| | - Giuseppe Lupo
- Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, Rome, Italy
| | - Valerio Licursi
- Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, Rome, Italy
| | - Rodolfo Negri
- Department of Biology and Biotechnology Charles Darwin, Sapienza University of Rome, Rome, Italy.,Institute of Molecular Biology and Pathology, National Research Counsil (IBPM-CNR), Rome, Italy
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Chmara J, Browning JWL, Atkins H, Sabloff M, McKay BC. Rapid Decrease in KRT14 and TP53 mRNA Expression in the Buccal Mucosa of Patients Receiving Total-Body Irradiation for Allogeneic Stem Cell Transplantation. Radiat Res 2017; 189:213-218. [PMID: 29232178 DOI: 10.1667/rr14897.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The only curative treatment option for relapsed patients with acute myeloid leukemia (AML) is allogeneic stem cell transplantation. Depletion of hematopoietic stem cells and leukemic blast cells is achieved through the systemic administration of DNA damaging agents, including total-body irradiation (TBI) prior to transplantation. Since other tissues are radiosensitive, the identification of biomarkers could facilitate the management of additional toxicities. Buccal keratinocytes are readily accessible and could provide a source of cells for RNA analysis. In this study, we obtained miRNAs and mRNAs from daily buccal swabs collected from patients undergoing allogeneic stem cell transplantation. Unexpectedly, there was no prominent p53-induced mRNA or miRNA response in these samples, despite the fact that the p53 pathway is a well-characterized radiation-inducible response. Instead, the expression of mRNAs encoding p53 and cytokeratin 14 (TP53 and KRT14, respectively) decreased precipitously within hours of the first radiation treatment. These patients went on to develop oral mucositis, however, it is unclear whether TP53 and/or KRT14 expression are predictive of this adverse event. Larger scale analysis of buccal epithelial samples from patients undergoing allogeneic stem cell transplantation appears to be warranted.
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Affiliation(s)
| | | | - H Atkins
- c Division of Hematology, Department of Medicine, University of Ottawa, Ottawa, Canada; and.,d Ottawa Hospital Research Institute, Ottawa, Canada
| | - M Sabloff
- c Division of Hematology, Department of Medicine, University of Ottawa, Ottawa, Canada; and.,d Ottawa Hospital Research Institute, Ottawa, Canada
| | - B C McKay
- a Department of Biology and.,b Institute of Biochemistry, Carleton University, Ottawa, Canada
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Licursi V, Cestelli Guidi M, Del Vecchio G, Mannironi C, Presutti C, Amendola R, Negri R. Leptin induction following irradiation is a conserved feature in mammalian epithelial cells and tissues. Int J Radiat Biol 2017; 93:947-957. [DOI: 10.1080/09553002.2017.1339918] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Valerio Licursi
- CNR, Institute for Systems Analysis and Computer Science “Antonio Ruberti”, Rome, Italy
| | | | - Giorgia Del Vecchio
- Dipartimento di Biologia e Biotecnologie C. Darwin, Sapienza Università di Roma, Rome, Italy
| | | | - Carlo Presutti
- Dipartimento di Biologia e Biotecnologie C. Darwin, Sapienza Università di Roma, Rome, Italy
| | - Roberto Amendola
- Istituto Nazionale di Fisica Nucleare – Laboratori Nazionali di Frascati, Frascati, Italy
- ENEA National Agency for New Technologies, Energy and Sustainable Economic Development, SSPT, TECS, Rome, Italy
| | - Rodolfo Negri
- Dipartimento di Biologia e Biotecnologie C. Darwin, Sapienza Università di Roma, Rome, Italy
- CNR, Istituto di Biologia e Patologia Molecolari, Rome, Italy
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Karapiperis C, Kempf SJ, Quintens R, Azimzadeh O, Vidal VL, Pazzaglia S, Bazyka D, Mastroberardino PG, Scouras ZG, Tapio S, Benotmane MA, Ouzounis CA. Brain Radiation Information Data Exchange (BRIDE): integration of experimental data from low-dose ionising radiation research for pathway discovery. BMC Bioinformatics 2016; 17:212. [PMID: 27170263 PMCID: PMC4865096 DOI: 10.1186/s12859-016-1068-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 04/21/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The underlying molecular processes representing stress responses to low-dose ionising radiation (LDIR) in mammals are just beginning to be understood. In particular, LDIR effects on the brain and their possible association with neurodegenerative disease are currently being explored using omics technologies. RESULTS We describe a light-weight approach for the storage, analysis and distribution of relevant LDIR omics datasets. The data integration platform, called BRIDE, contains information from the literature as well as experimental information from transcriptomics and proteomics studies. It deploys a hybrid, distributed solution using both local storage and cloud technology. CONCLUSIONS BRIDE can act as a knowledge broker for LDIR researchers, to facilitate molecular research on the systems biology of LDIR response in mammals. Its flexible design can capture a range of experimental information for genomics, epigenomics, transcriptomics, and proteomics. The data collection is available at: .
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Affiliation(s)
- Christos Karapiperis
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessalonica, 54124, Thessalonica, Greece
| | - Stefan J Kempf
- Institute of Radiation Biology, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, 85764, Neuherberg, Germany
- Present address: Department of Biochemistry and Molecular Biology, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark
| | - Roel Quintens
- Radiobiology Unit, Belgian Nuclear Research Centre (SCK•CEN), B-2400, Mol, Belgium
| | - Omid Azimzadeh
- Institute of Radiation Biology, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, 85764, Neuherberg, Germany
| | - Victoria Linares Vidal
- School of Medicine, IISPV, "Rovira i Virgili" University, Sant Llorens 21, 43201, Reus, Spain
| | - Simonetta Pazzaglia
- Laboratory of Radiation Biology & Biomedicine, Agenzia Nazionale per le Nuove Tecnologie, l'Energia e lo Sviluppo Economico Sostenibile (ENEA) Centro Ricerche Casaccia, 00123, Rome, Italy
| | - Dimitry Bazyka
- National Research Center for Radiation Medicine of the National Academy of Medical Sciences of Ukraine, Melnykov str. 53, Kyiv, 04050, Ukraine
| | | | - Zacharias G Scouras
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessalonica, 54124, Thessalonica, Greece
| | - Soile Tapio
- Institute of Radiation Biology, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, 85764, Neuherberg, Germany.
| | | | - Christos A Ouzounis
- Department of Genetics, Development & Molecular Biology, School of Biology, Aristotle University of Thessalonica, 54124, Thessalonica, Greece.
- Biological Process & Computation Laboratory (BCPL), Chemical Process & Energy Resources Institute (CPERI), Centre for Research & Technology Hellas (CERTH), Thessalonica, 57001, Greece.
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Loesch K, Galaviz S, Hamoui Z, Clanton R, Akabani G, Deveau M, DeJesus M, Ioerger T, Sacchettini JC, Wallis D. Functional genomics screening utilizing mutant mouse embryonic stem cells identifies novel radiation-response genes. PLoS One 2015; 10:e0120534. [PMID: 25853515 PMCID: PMC4390347 DOI: 10.1371/journal.pone.0120534] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 01/23/2015] [Indexed: 02/07/2023] Open
Abstract
Elucidating the genetic determinants of radiation response is crucial to optimizing and individualizing radiotherapy for cancer patients. In order to identify genes that are involved in enhanced sensitivity or resistance to radiation, a library of stable mutant murine embryonic stem cells (ESCs), each with a defined mutation, was screened for cell viability and gene expression in response to radiation exposure. We focused on a cancer-relevant subset of over 500 mutant ESC lines. We identified 13 genes; 7 genes that have been previously implicated in radiation response and 6 other genes that have never been implicated in radiation response. After screening, proteomic analysis showed enrichment for genes involved in cellular component disassembly (e.g. Dstn and Pex14) and regulation of growth (e.g. Adnp2, Epc1, and Ing4). Overall, the best targets with the highest potential for sensitizing cancer cells to radiation were Dstn and Map2k6, and the best targets for enhancing resistance to radiation were Iqgap and Vcan. Hence, we provide compelling evidence that screening mutant ESCs is a powerful approach to identify genes that alter radiation response. Ultimately, this knowledge can be used to define genetic variants or therapeutic targets that will enhance clinical therapy.
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Affiliation(s)
- Kimberly Loesch
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, United States of America
| | - Stacy Galaviz
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, United States of America
| | - Zaher Hamoui
- Department of Nuclear Engineering, Texas A&M University, College Station, Texas, United States of America
| | - Ryan Clanton
- Department of Nuclear Engineering, Texas A&M University, College Station, Texas, United States of America
| | - Gamal Akabani
- Department of Nuclear Engineering, Texas A&M University, College Station, Texas, United States of America
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, United States of America
- Texas A&M Institute for Preclinical Studies, Texas A&M University, College Station, Texas, United States of America
| | - Michael Deveau
- Department of Small Animal Clinical Sciences, Texas A&M University, College Station, Texas, United States of America
| | - Michael DeJesus
- Department of Computer Science and Engineering, Texas A&M University, College Station, Texas, United States of America
| | - Thomas Ioerger
- Department of Computer Science and Engineering, Texas A&M University, College Station, Texas, United States of America
| | - James C. Sacchettini
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, United States of America
| | - Deeann Wallis
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, United States of America
- * E-mail:
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Aerts AM, Impens NREN, Baatout S, Benotmane MA, Camps J, Dabin JM, Derradji H, Grosche B, Horemans N, Jourdain JR, Moreels M, Perko T, Quintens R, Repussard J, Rühm W, Schneider T, Struelens L, Hardeman F. Joint research towards a better radiation protection-highlights of the Fifth MELODI Workshop. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2014; 34:931-56. [PMID: 25431966 DOI: 10.1088/0952-4746/34/4/931] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
MELODI is the European platform dedicated to low-dose radiation risk research. From 7 October through 10 October 2013 the Fifth MELODI Workshop took place in Brussels, Belgium. The workshop offered the opportunity to 221 unique participants originating from 22 countries worldwide to update their knowledge and discuss radiation research issues through 118 oral and 44 poster presentations. In addition, the MELODI 2013 workshop was reaching out to the broader radiation protection community, rather than only the low-dose community, with contributions from the fields of radioecology, emergency and recovery preparedness, and dosimetry. In this review, we summarise the major scientific conclusions of the workshop, which are important to keep the MELODI strategic research agenda up-to-date and which will serve to establish a joint radiation protection research roadmap for the future.
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Affiliation(s)
- A M Aerts
- Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK•CEN), Mol, Belgium
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Paul S, Ghandhi SA, Weber W, Doyle-Eisele M, Melo D, Guilmette R, Amundson SA. Gene expression response of mice after a single dose of 137CS as an internal emitter. Radiat Res 2014; 182:380-9. [PMID: 25162453 DOI: 10.1667/rr13466.1] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Cesium-137 is a radionuclide of concern in fallout from reactor accidents or nuclear detonations. When ingested or inhaled, it can expose the entire body for an extended period of time, potentially contributing to serious health consequences ranging from acute radiation syndrome to increased cancer risks. To identify changes in gene expression that may be informative for detecting such exposure, and to begin examining the molecular responses involved, we have profiled global gene expression in blood of male C57BL/6 mice injected with 137CsCl. We extracted RNA from the blood of control or 137CsCl-injected mice at 2, 3, 5, 20 or 30 days after exposure. Gene expression was measured using Agilent Whole Mouse Genome Microarrays, and the data was analyzed using BRB-ArrayTools. Between 466-6,213 genes were differentially expressed, depending on the time after 137Cs administration. At early times (2-3 days), the majority of responsive genes were expressed above control levels, while at later times (20-30 days) most responding genes were expressed below control levels. Numerous genes were overexpressed by day 2 or 3, and then underexpressed by day 20 or 30, including many Tp53-regulated genes. The same pattern was seen among significantly enriched gene ontology categories, including those related to nucleotide binding, protein localization and modification, actin and the cytoskeleton, and in the integrin signaling canonical pathway. We compared the expression of several genes three days after 137CsCl injection and three days after an acute external gamma-ray exposure, and found that the internal exposure appeared to produce a more sustained response. Many common radiation-responsive genes are altered by internally administered 137Cs, but the gene expression pattern resulting from continued irradiation at a decreasing dose rate is extremely complex, and appears to involve a late reversal of much of the initial response.
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Affiliation(s)
- Sunirmal Paul
- a Center for Radiological Research, Columbia University Medical Center, New York, New York 10032
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Oh JH, Wong HP, Wang X, Deasy JO. A bioinformatics filtering strategy for identifying radiation response biomarker candidates. PLoS One 2012; 7:e38870. [PMID: 22768051 PMCID: PMC3387230 DOI: 10.1371/journal.pone.0038870] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Accepted: 05/15/2012] [Indexed: 02/06/2023] Open
Abstract
The number of biomarker candidates is often much larger than the number of clinical patient data points available, which motivates the use of a rational candidate variable filtering methodology. The goal of this paper is to apply such a bioinformatics filtering process to isolate a modest number (<10) of key interacting genes and their associated single nucleotide polymorphisms involved in radiation response, and to ultimately serve as a basis for using clinical datasets to identify new biomarkers. In step 1, we surveyed the literature on genetic and protein correlates to radiation response, in vivo or in vitro, across cellular, animal, and human studies. In step 2, we analyzed two publicly available microarray datasets and identified genes in which mRNA expression changed in response to radiation. Combining results from Step 1 and Step 2, we identified 20 genes that were common to all three sources. As a final step, a curated database of protein interactions was used to generate the most statistically reliable protein interaction network among any subset of the 20 genes resulting from Steps 1 and 2, resulting in identification of a small, tightly interacting network with 7 out of 20 input genes. We further ranked the genes in terms of likely importance, based on their location within the network using a graph-based scoring function. The resulting core interacting network provides an attractive set of genes likely to be important to radiation response.
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Affiliation(s)
- Jung Hun Oh
- Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America
| | - Harry P. Wong
- Department of Infectious Diseases, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Xiaowei Wang
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Joseph O. Deasy
- Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America
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Vincenti S, Brillante N, Lanza V, Bozzoni I, Presutti C, Chiani F, Etna MP, Negri R. HUVEC respond to radiation by inducing the expression of pro-angiogenic microRNAs. Radiat Res 2011; 175:535-46. [PMID: 21361781 DOI: 10.1667/rr2200.1] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
MicroRNAs (miRNAs) represent a class of small non-coding RNAs that control gene expression by targeting mRNAs and triggering either repression of translation or RNA degradation. They have been shown to be involved in a variety of biological processes such as development, differentiation and cell cycle control, but little is known about their involvement in the response to irradiation. We showed here that in human umbilical vein endothelial cells (HUVEC) some miRNAs previously shown to have a crucial role in vascular biology are transiently modulated in response to a clinically relevant dose of ionizing radiation. In particular we identified an early transcriptional induction of several members of the microRNA cluster 17-92 and other microRNAs already known to be related to angiogenesis. At the same time we observed a peculiar behavior of the miR-221/222 cluster, suggesting an important role of these microRNAs in HUVEC homeostasis. We observed an increased efficiency in the formation of capillary-like structures in irradiated HUVEC. These results could lead to a new interpretation of the effect of ionizing radiation on endothelial cells and on the response of tumor endothelial bed cells to radiotherapy.
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Affiliation(s)
- Sara Vincenti
- Dipartimento di Biologia e Biotecnologie C. Darwin, Laboratorio di Genomica Funzionale e Proteomica dei Sistemi Modello, University "La Sapienza", Rome, Italy
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