{"id":8394,"date":"2013-07-05T09:09:30","date_gmt":"2013-07-05T13:09:30","guid":{"rendered":"https:\/\/www.bumc.bu.edu\/ppb\/?page_id=8394"},"modified":"2021-12-10T04:45:16","modified_gmt":"2021-12-10T09:45:16","slug":"flynn","status":"publish","type":"page","link":"https:\/\/www.bumc.bu.edu\/ppb\/people\/faculty\/faculty-profiles\/flynn\/","title":{"rendered":"Rachel Litman Flynn, Ph.D."},"content":{"rendered":"<p><em><em><a href=\"\/ppb\/files\/2013\/07\/Unknown-1.jpg\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-8396\" title=\"Unknown-1\" alt=\"Unknown-1\" src=\"\/ppb\/files\/2013\/07\/Unknown-1-284x300.jpg\" width=\"256\" height=\"270\" srcset=\"https:\/\/www.bumc.bu.edu\/ppb\/files\/2013\/07\/Unknown-1-284x300.jpg 284w, https:\/\/www.bumc.bu.edu\/ppb\/files\/2013\/07\/Unknown-1-971x1024.jpg 971w, https:\/\/www.bumc.bu.edu\/ppb\/files\/2013\/07\/Unknown-1.jpg 1750w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><\/a>Associate Professor of Pharmacology and Medicine, <\/em>Section of Hematology and Medical Oncology<\/em><br \/>\nDepartment of Pharmacology<em><br \/>\n<\/em><\/p>\n<p><em>Ph.D.:\u00a0University of Massachusetts Medical School<\/em><\/p>\n<p><em><em>Post-Doctoral Fellow:\u00a0Harvard Medical School, Massachusetts General Hospital Cancer Center<\/em><\/em><\/p>\n<p><em><em><em><i>Laboratory:\u00a0<a href=\"https:\/\/clarinet-cranberry-mphd.squarespace.com\/\">Laboratory of Genomic Instability and Cancer Therapeutics<\/a><\/i><\/em><br \/>\n<\/em><\/em><\/p>\n<h3>Research Interests<\/h3>\n<p style=\"text-align: justify;\">The focus of the Laboratory of Genomic Instability and Cancer Therapeutics is to understand the mechanisms regulating mammalian telomere maintenance and to understand how defects in this process contribute to premature aging and cancer progression. \u00a0The hope is that these studies will allow us to gain the mechanistic insight necessary to define novel targets and\/or strategies in the treatment of human disease.<\/p>\n<p style=\"text-align: justify;\">In my lab we use a combination of biochemical and cell biological approaches to study the function of mammalian telomeres. \u00a0Telomeres cap the ends of linear chromosomes and provide a molecular barrier for the human genome. \u00a0 Following each cell division, progressive telomere shortening erodes that barrier and compromises the stability of the genome. \u00a0Critically short, or dysfunctional telomeres induce replicative senescence and\/or cell death and ultimately, lead to cellular aging. \u00a0Cancer cells, however, overcome the replicative senescence associated with critically short telomeres by exploiting mechanisms of telomere elongation. \u00a0Reactivation of the enzyme telomerase or activation of the Alternative Lengthening of Telomeres (ALT) pathway accounts for cellular immortalization in the majority of all human cancers. \u00a0Clinical trials are currently underway to test the efficacy of telomerase inhibitors in the treatment of telomerase-positive cancers; however, there are no known treatments for ALT-positive cancers. \u00a0By gaining a better mechanistic understanding of how normal telomeres are maintained, and how dysfunctional telomeres bypass replicative senescence, we hope to identify novel therapeutic approaches in the treatment of both premature aging syndromes and cancer.<\/p>\n<div class=\"bu_collapsible_container \" aria-live=\"polite\" data-customize-animation=\"false\"><h3 class=\"bu_collapsible\" aria-expanded=\"false\"tabindex=\"0\" role=\"button\">Recent News<\/h3><div class=\"bu_collapsible_section\" style=\"display: none;\"><\/p>\n<ul style=\"text-alight: left;\">\n<li>September 1, 2014:\u00a0<a href=\"http:\/\/www.bu.edu\/today\/2014\/trio-of-young-faculty-earn-peter-paul-professorships\/\" target=\"_blank\" rel=\"noopener noreferrer\">Dr. Flynn was awarded the Peter Paul Professorship Award<\/a><\/li>\n<li>August 13, 2014:\u00a0<a href=\"https:\/\/www.bumc.bu.edu\/ppb\/2013\/08\/19\/dr-rachel-flynn-receives-award-from-foster-foundation\/\">Dr. Rachel Flynn receives Award for Foster Foundation<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p style=\"text-align: left;\"><\/div>\n<\/div>\n\n<p style=\"text-align: left;\"><div class=\"bu_collapsible_container \" aria-live=\"polite\" data-customize-animation=\"false\"><h3 class=\"bu_collapsible\" aria-expanded=\"false\"tabindex=\"0\" role=\"button\">Selected Publications<\/h3><div class=\"bu_collapsible_section\" style=\"display: none;\"><\/p>\n<p class=\"preFade fadeIn\">Floro J, Dai A, Metzger A, Mora-Martin A, Ganem NJ, Cifuentes D, Wu CS, Dalal J, Lyons SM, Labadorf A, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. SDE2 is an essential gene required for ribosome biogenesis and the regulation of alternative splicing. Nucleic Acids Res. 2021 Aug 07. PMID: 34365507<\/p>\n<p class=\"preFade fadeIn\">Mason-Osann E, Terranova K, Lupo N, Lock YJ, Carson LM, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. RAD54 promotes alternative lengthening of telomeres by mediating branch migration. EMBO Rep. 2020 06 04; 21(6):e49495. PMID: 32337843; PMCID: PMC7271314; DOI: 10.15252\/embr.201949495;<\/p>\n<p class=\"preFade fadeIn\"><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Heaphy CM. Surviving Telomere Attrition with the MiDAS Touch. Trends Genet. 2019 11; 35(11):783-785. PMID: 31526614<\/p>\n<p class=\"preFade fadeIn\">Panier S, Maric M, Hewitt G, Mason-Osann E, Gali H, Dai A, Labadorf A, Guervilly JH, Ruis P, Segura-Bayona S, Belan O, Marzec P, Gaillard PHL, <span style=\"text-decoration: underline;\">Flynn RL<\/span>, Boulton SJ. SLX4IP Antagonizes Promiscuous BLM Activity during ALT Maintenance. Mol Cell. 2019 10 03; 76(1):27-43.e11. PMID: 31447390; PMCID: PMC6863466; DOI: 10.1016\/j.molcel.2019.07.010;<\/p>\n<p class=\"preFade fadeIn\">Mason-Osann E, Gali H, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. Resolving Roadblocks to Telomere Replication. Methods Mol Biol. 2019; 1999:31-57. PMID: 31127568<\/p>\n<p class=\"preFade fadeIn\">Gali H, Mason-Osann E, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. Direct Visualization of DNA Replication at Telomeres Using DNA Fiber Combing Combined with Telomere FISH. Methods Mol Biol. 2019; 1999:319-325. PMID: 31127588<\/p>\n<p class=\"preFade fadeIn\">Mason-Osann E, Dai A, Floro J, Lock YJ, Reiss M, Gali H, Matschulat A, Labadorf A, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. Identification of a novel gene fusion in ALT positive osteosarcoma. Oncotarget. 2018 Aug 28; 9(67):32868-32880. PMID: 30214690; PMCID: PMC6132345; DOI: 10.18632\/oncotarget.26029;<\/p>\n<p class=\"preFade fadeIn\">Cox KE, Mar\u00e9chal A, <span style=\"text-decoration: underline;\">Flynn RL<\/span>. SMARCAL1 Resolves Replication Stress at ALT Telomeres. Cell Rep. 2016 Feb 9; 14(5):1032-40. PMID: 26832416; PMCID: PMC5051350; DOI: 10.1016\/j.celrep.2016.01.011;<\/p>\n<p class=\"preFade fadeIn\"><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Cox KE, Jeitany M, Wakimoto H, Bryll AR, Ganem NJ, Bersani F, Pineda JR, Suv\u00e0 ML, Benes CH, Haber DA, Boussin FD, Zou L. Alternative lengthening of telomeres renders cancer cells hypersensitive to ATR inhibitors. Science. 2015 Jan 16; 347(6219):273-7. PMID: 25593184; PMCID: PMC4358324; DOI: 10.1126\/science.1257216;<\/p>\n<p style=\"text-align: left;\"><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Cox KE, Jeitany M, Wakimoto H, Bryll AR, Ganem NJ, Bersani F, Pineda JR, Suv\u00e0 ML,\u00a0Benes CH, Haber DA, Boussin FD, Zou L.\u00a0 Alternative Lengthening of Telomeres Renders Cancer Cells Hypersensitive to ATR Inhibitors.\u00a0Science. 2015 Jan 16;347(6219):273-7.\u00a0PMID: 25593184<\/p>\n<p><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Chang S, Zou L. RPA and POT1: friends or foes at telomeres? <em>Cell Cycle<\/em>. 2012 Feb 15;11(4):652-7. PMID: 22373525. PMC:3318101<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3318101\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Zou L. ATR: a master conductor of cellular responses to DNA replication stress. <em>Trends Biochem Sci<\/em>. 2011 Mar;36(3):133-40. Review. PMID: 20947357\/PMC<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3024454\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Centore RC, O&#8217;Sullivan RJ, Rai R, Tse A, Songyang Z, Chang S, Karlseder J, Zou L. TERRA and hnRNPA1 orchestrate an RPA-to-POT1 switch on telomeric single-stranded DNA. <em>Nature<\/em>. 2011 Mar 24;471 (7339):532-6. PMID: 21399625. PMC:3078637 <a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC3078637\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p>Centore RC, Havens CG, Manning AL, Li JM, <span style=\"text-decoration: underline;\">Flynn RL<\/span>,Tse A, Jin J, Dyson NJ, Walter JC, Zou L. CRL4(Cdt2)-mediated destruction of the histone methyltransferase Set8 prevents premature chromatin compaction in S phase. <em>Mol Cell<\/em>. 2010 Oct 8;40(1):22-33. PMID: 20932472. <a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2957874\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p><span style=\"text-decoration: underline;\">Flynn RL<\/span>, Zou L. Oligonucleotide\/oligosaccharide-binding fold proteins: a growing family of genome Guardians. Crit Rev <em>Biochem Mol Biol<\/em>. 2010 Aug;45(4):266-75. Review. PMID: 20515430\/PMC2906097<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2906097\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p>Xie J, <span style=\"text-decoration: underline;\">*Flynn RL<\/span>,Wang S, Peng M, Guillemette S, Rooney T, Cantor SB. Targeting the FANCJ-BRCA1 interaction promotes a switch from recombination to poleta-dependent bypass. <em>Oncogene<\/em>. 2010 Apr 29;29(17):2499-508. PMID: 20173781\/PMC2909592<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2909592\/\" rel=\"noopener noreferrer\"><\/a>*co-first author.<\/p>\n<p><span style=\"text-decoration: underline;\">Litman R<\/span>, Gupta R, Brosh RM Jr, Cantor SB. BRCA-FA pathway as a target for anti-tumor drugs. <em>Anticancer Agents Med Chem<\/em>. (2008) 8(4):426-30. Review. PMID:18473727\/PMC2564853<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC2564853\/\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p>Peng M, <span style=\"text-decoration: underline;\">*Litman R<\/span>, Xie J, Sharma S, Brosh RM Jr, Cantor SB. The FANCJ\/MutLalpha interaction is required for correction of the cross-link response in FA-J cells. <em>EMBO J<\/em>. 2007 Jul 11;26(13):3238-49. PMID: 17581638<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC1914102\/\" rel=\"noopener noreferrer\"><\/a>. *Co-First Author<\/p>\n<p>Peng M, <span style=\"text-decoration: underline;\">*Litman R<\/span>, Jin Z, Fong G, Cantor SB. BACH1 is a DNA repair protein supporting BRCA1 damage response. <em>Oncogene<\/em>. 2006 Apr 6;25(15):2245-53. PMID: 16462773<a target=\"_blank\" href=\"http:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Peng+M%2C+Litman+R%2C+Jin+Z%2C+Fong+G%2C+Cantor+SB\" rel=\"noopener noreferrer\"><\/a>Abstract. *Co-First Author<\/p>\n<p><span style=\"text-decoration: underline;\">Litman R<\/span>, Peng M, Jin Z, Zhang F, Zhang J, Powell S, Andreassen PR, Cantor SB. BACH1 is critical for homologous recombination and appears to be the Fanconi anemia gene product FANCJ. <em>Cancer Cell<\/em>. 2005 Sep;8(3):255-65. PMID: 16153896<a target=\"_blank\" href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S153561080500262X\" rel=\"noopener noreferrer\"><\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p><\/div>\n<\/div>\n<\/p>\n<div class=\"bu_collapsible_container \" aria-live=\"polite\" data-customize-animation=\"false\"><h3 class=\"bu_collapsible\" aria-expanded=\"false\"tabindex=\"0\" role=\"button\">Contact<\/h3><div class=\"bu_collapsible_section\" style=\"display: none;\"><\/p>\n<p style=\"text-align: left;\">Office:The Cancer Center, Boston University School of Medicine, 72 East Concord Street, K-712D, Boston, MA 02118<br \/>\nPhone: 617-358-4666<br \/>\nFax: 617-358-4684<br \/>\nEmail:<a href=\"mailto:rlflynn@bu.edu\">rlflynn@bu.edu<\/a><\/p>\n<p><\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Associate Professor of Pharmacology and Medicine, Section of Hematology and Medical Oncology Department of Pharmacology Ph.D.:\u00a0University of Massachusetts Medical School Post-Doctoral Fellow:\u00a0Harvard Medical School, Massachusetts General Hospital Cancer Center Laboratory:\u00a0Laboratory of Genomic Instability and Cancer Therapeutics Research Interests The focus of the Laboratory of Genomic Instability and Cancer Therapeutics is to understand the mechanisms regulating [&hellip;]<\/p>\n","protected":false},"author":6226,"featured_media":0,"parent":1786,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/pages\/8394"}],"collection":[{"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/users\/6226"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/comments?post=8394"}],"version-history":[{"count":50,"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/pages\/8394\/revisions"}],"predecessor-version":[{"id":17614,"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/pages\/8394\/revisions\/17614"}],"up":[{"embeddable":true,"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/pages\/1786"}],"wp:attachment":[{"href":"https:\/\/www.bumc.bu.edu\/ppb\/wp-json\/wp\/v2\/media?parent=8394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}