StudyType PubMedID Author Title Journal PublishDate Chromosome Disease Technology Species CaseID Platform CNA Connection Gene Affiliation Abstract GenomeAssembly GEO dbGaP ENA IsCancer FusionGene Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 1 Glioblastoma Next Generation Sequencing Homo sapiens GBM_3_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 1,6 Glioblastoma Next Generation Sequencing Homo sapiens GBM_6_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 3 Glioblastoma Next Generation Sequencing Homo sapiens GBM_8_T Illumina paired-end sequencing 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40057717 Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 9,12,21 Glioblastoma Next Generation Sequencing Homo sapiens GBM_9_T Illumina paired-end sequencing chr1:147783685-147793685:1;chr1:180189188-180199188:1;chr1:180204188-180214188:-1;chr2:132978550-132988550:-1;chr2:143154687-143164687:1;chr2:146874558-146884558:-1;chr2:239782842-239792842:-1;chr2:240820510-240830510:-1;chr3:13753079-13763079:1;chr3:13774319-13784319:-1;chr3:38635682-38645682:-1;chr3:38690804-38700804:1;chr3:111865461-111875461:1;chr3:111956240-111966240:-1;chr3:113454964-113464964:1;chr3:113608707-113618707:-1;chr3:188256512-188266512:1;chr3:188387084-188397084:-1;chr3:193129316-193139316:1;chr3:193150909-193160909:-1;chr3:193845764-193855764:1;chr3:193866021-193876021:-1;chr4:3433221-3443221:1;chr4:20386821-20396821:1;chr4:20577907-20587907:-1;chr4:23821860-23831860:1;chr4:24022577-24032577:-1;chr4:24274237-24284237:1;chr4:24455515-24465515:-1;chr4:59792957-59802957:-1;chr4:78083375-78093375:-1;chr4:167586041-167596041:-1;chr5:663946-673946:1;chr5:97579286-97589286:-1;chr5:151344936-151354936:1;chr5:171340862-171350862:1;chr5:171367104-171377104:-1;chr6:266754-276754:-1;chr6:13848308-13858308:1;chr6:13879758-13889758:-1;chr6:119213764-119223764:-1;chr6:157709391-157719391:-1;chr6:167934630-167944630:-1;chr7:1334772-1344772:-1;chr7:1462411-1472411:1;chr7:1542934-1552934:-1;chr7:1563387-1573387:1;chr7:1598617-1608617:-1;chr7:1915807-1925807:-1;chr7:5232273-5242273:-1;chr7:5654010-5664010:-1;chr7:7043160-7053160:-1;chr7:44410109-44420109:-1;chr7:44440157-44450157:1;chr7:55964053-55974053:-1;chr7:66317948-66327948:-1;chr7:89691813-89701813:1;chr7:97823042-97833042:1;chr7:97858288-97868288:-1;chr7:104933970-104943970:1;chr7:127755670-127765670:1;chr7:127776296-127786296:-1;chr7:155117625-155127625:-1;chr8:144031199-144041199:-1;chr9:21267120-21277120:1;chr9:21288295-21298295:-1;chr9:21389078-21399078:1;chr9:21640555-21650555:1;chr9:22051826-22061826:-1;chr9:22225109-22235109:-1;chr9:22514593-22524593:1;chr9:22584037-22594037:-1;chr9:22609332-22619332:1;chr9:23294659-23304659:-1;chr9:23376222-23386222:1;chr9:23420485-23430485:-1;chr9:23653442-23663442:1;chr9:24229330-24239330:-1;chr9:25468995-25478995:1;chr9:25980154-25990154:-1;chr9:27294915-27304915:1;chr9:27341810-27351810:-1;chr9:108460003-108470003:1;chr9:139137092-139147092:1;chr9:139273468-139283468:-1;chr9:139385702-139395702:1;chr9:139426023-139436023:-1;chr11:3626990-3636990:-1;chr11:79741982-79751982:1;chr11:80564250-80574250:-1;chr11:89850991-89860991:-1;chr12:155502-165502:-1;chr12:20888039-20898039:1;chr12:67547097-67557097:-1;chr12:67807034-67817034:1;chr12:68159573-68169573:1;chr12:68473740-68483740:1;chr12:68745818-68755818:-1;chr12:68791645-68801645:1;chr12:69022852-69032852:-1;chr12:69079600-69089600:1;chr12:69181023-69191023:-1;chr12:69339318-69349318:1;chr12:69477463-69487463:-1;chr12:69599204-69609204:1;chr12:69669934-69679934:-1;chr12:69732547-69742547:1;chr12:114543222-114553222:-1;chr12:122584226-122594226:-1;chr13:114448806-114458806:-1;chr14:80505462-80515462:-1;chr14:84987295-84997295:-1;chr14:92483798-92493798:1;chr14:92510498-92520498:-1;chr14:105594882-105604882:1;chr15:73616132-73626132:-1;chr15:73651137-73661137:1;chr16:628413-638413:-1;chr16:1469260-1479260:1;chr16:1504869-1514869:-1;chr16:26402273-26412273:1;chr17:472976-482976:-1;chr17:483565-493565:1;chr17:80178649-80188649:1;chr17:80193818-80203818:-1;chr21:10637520-10647520:-1;chr22:44723940-44733940:-1;chr22:44743983-44753983:1;chr22:50175693-50185693:-1;chr22:50689936-50699936:1;chrY:9458259-9468259:1;chrY:9519351-9529351:-1;chrY:9644399-9654399:1 hs3:188257651-188257872,hs3:188393998-188394263;hs4:20389666-20389915,hs4:23824005-23824238;hs4:20582784-20583075,hs4:24459108-24459408;hs4:23528245-23528479,hs4:24279174-24279434;hs4:45340767-45340893,hs4:45567554-45567714;hs9:21275793-21275978,hs9:21644900-21645126;hs9:21292849-21293090,hs9:21494754-21495052;hs9:21393744-21393945,hs9:22057421-22057582;hs9:21485781-21486028,hs9:24314378-24314587;hs9:22230593-22230829,hs9:26105667-26105879;hs9:22460985-22461161,hs9:23423524-23423701;hs9:22462340-22462588,hs9:26954266-26954522;hs9:22516924-22517199,hs9:23383739-23384043;hs9:22611758-22611912,hs9:27301103-27301397;hs9:23572510-23572693,hs9:27411818-27412026;hs9:23572685-23572972,hs9:25550536-25550790;hs9:23658644-23658896,hs9:26118209-26118481;hs9:24232873-24233163,hs9:24656454-24656648;hs9:25471276-25471476,hs9:26057747-26057967;hs9:25549461-25549754,hs9:26735608-26735925;hs9:25983638-25983905,hs9:26119534-26119803;hs9:26058018-26058296,hs9:26546235-26546544;hs9:26106062-26106316,hs9:27348591-27348870;hs9:26549731-26550006,hs9:26742169-26742450;hs9:26704088-26704315,hs9:27413097-27413379;hs9:26705270-26705446,hs9:26959147-26959316;hs10:89526875-89527113,hs10:90662939-90663209;hs10:89628629-89628761,hs10:90697124-90697357;hs11:79747979-79748169,hs11:79769455-79769741;hs11:79772925-79773148,hs11:80570256-80570495;hs12:67550990-67551263,hs12:67877738-67877977;hs12:67586171-67586318,hs12:69189604-69189753;hs12:67601117-67601325,hs12:68408414-68408594;hs12:67601574-67601733,hs12:67790335-67790607;hs12:67620791-67621052,hs12:67782857-67783102;hs12:67630723-67630908,hs12:69513392-69513624;hs12:67633794-67634016,hs12:69218807-69218945;hs12:67680661-67680816,hs12:69588085-69588293;hs12:67690990-67691105,hs12:68774263-68774405;hs12:67691290-67691413,hs12:68781029-68781261;hs12:67705427-67705714,hs12:68076102-68076361;hs12:67730375-67730641,hs12:68771687-68771892;hs12:67739086-67739350,hs12:69267882-69268144;hs12:67764125-67764364,hs12:69291025-69291249;hs12:67782148-67782256,hs12:68750123-68750252;hs12:67787062-67787225,hs12:69779423-69779688;hs12:67788218-67788364,hs12:68394711-68394935;hs12:67956652-67956907,hs12:69778843-69779122;hs12:68074161-68074364,hs12:69293273-69293418;hs12:68114110-68114332,hs12:68125971-68126169;hs12:68364318-68364562,hs12:69737286-69737549;hs12:68397680-68397973,hs12:69518660-69518966;hs12:68400670-68400971,hs12:68468351-68468677;hs12:68400898-68401112,hs12:69247552-69247812;hs12:68405621-68405799,hs12:69274676-69274874;hs12:68411735-68411984,hs12:69588135-69588263;hs12:68414244-68414440,hs12:68786506-68786728;hs12:68414563-68414803,hs12:68431646-68431908;hs12:68414760-68414987,hs12:69589338-69589552;hs12:68419265-68419506,hs12:69284604-69284849;hs12:68446249-68446568,hs12:69294591-69294882;hs12:68447716-68448000,hs12:69293815-69294086;hs12:68452281-68452432,hs12:69574094-69574243;hs12:68787746-68788007,hs12:69557978-69558272;hs12:69034926-69035197,hs12:69557216-69557454;hs12:69077159-69077342,hs12:69242488-69242711;hs12:69186676-69187000,hs9:136844617-136844732;hs12:69189483-69189766,hs12:69562670-69562954;hs12:69310382-69310538,hs12:69325596-69325773;hs12:69532552-69532772,hs12:69694024-69694330;hs12:79278843-79279073,hs12:79279848-79280124;hs15:25355938-25356084,hs15:68741305-68741554;hs15:26166197-26166406,hs15:99358093-99358295;hs18:6746356-6746525,hs18:9355191-9355390;hs18:24963417-24963617,hs18:24964937-24965169;hs18:25735752-25736007,hs18:27396635-27396835 Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 7,20 Glioblastoma Next Generation Sequencing Homo sapiens GBM_10_T Illumina paired-end sequencing chr1:15463796-15473796:-1;chr1:16087782-16097782:1;chr1:37565238-37575238:-1;chr1:37951289-37961289:1;chr1:38013271-38023271:-1;chr1:38144498-38154498:1;chr1:104088495-104098495:-1;chr1:115439999-115449999:1;chr1:120102462-120112462:1;chr2:5159707-5169707:-1;chr2:75420018-75430018:1;chr2:75494525-75504525:-1;chr2:89128108-89138108:-1;chr2:239782842-239792842:-1;chr2:240820510-240830510:-1;chr3:195752783-195762783:-1;chr4:28449053-28459053:1;chr4:28757412-28767412:-1;chr4:49634410-49644410:-1;chr4:59792957-59802957:-1;chr4:81922393-81932393:1;chr4:82180675-82190675:-1;chr4:105401709-105411709:1;chr4:106611187-106621187:-1;chr4:107480514-107490514:-1;chr4:107496455-107506455:1;chr4:113699460-113709460:1;chr4:114752477-114762477:-1;chr4:167586041-167596041:-1;chr4:179382464-179392464:1;chr4:180112836-180122836:-1;chr4:190184009-190194009:-1;chr4:190194203-190204203:1;chr5:71130528-71140528:-1;chr5:97579286-97589286:-1;chr5:104502308-104512308:1;chr5:104537169-104547169:-1;chr5:134250526-134260526:-1;chr5:134261166-134271166:1;chr5:164958018-164968018:1;chr5:164978148-164988148:-1;chr5:165018420-165028420:1;chr5:166494607-166504607:-1;chr5:166839906-166849906:1;chr5:174898085-174908085:1;chr5:174923556-174933556:-1;chr5:178920131-178930131:1;chr5:178955446-178965446:-1;chr6:119213764-119223764:-1;chr6:167934630-167944630:-1;chr7:54772075-54782075:-1;chr7:55308258-55318258:1;chr7:64057937-64067937:-1;chr7:151490490-151500490:-1;chr7:151596629-151606629:1;chr7:151713609-151723609:1;chr7:154749730-154759730:1;chr7:155117625-155127625:-1;chr7:155404970-155414970:-1;chr7:155470863-155480863:1;chr7:155579518-155589518:-1;chr8:144031199-144041199:-1;chr9:18353170-18363170:1;chr9:21122146-21132146:1;chr9:24488040-24498040:-1;chr9:27208016-27218016:-1;chr11:15601337-15611337:-1;chr11:16333209-16343209:1;chr11:48956302-48966302:1;chr12:155502-165502:-1;chr12:2812474-2822474:-1;chr12:12372496-12382496:1;chr12:12526446-12536446:-1;chr12:38173235-38183235:1;chr12:81462149-81472149:-1;chr12:108398305-108408305:1;chr12:122584226-122594226:-1;chr13:66913552-66923552:-1;chr13:114448806-114458806:-1;chr14:20541384-20551384:1;chr14:20553240-20563240:-1;chr16:28479802-28489802:-1;chr16:87948522-87958522:-1;chr19:2126613-2136613:-1;chr19:2579171-2589171:1;chr19:15433639-15443639:1;chr19:15443866-15453866:-1;chr20:7483369-7493369:1;chr20:7849854-7859854:-1;chr20:10000146-10010146:1;chr20:10020725-10030725:-1;chr20:10147968-10157968:1;chr20:10527557-10537557:-1;chr20:14430451-14440451:1;chr20:14450088-14460088:-1;chr20:34954187-34964187:-1;chr20:52816363-52826363:-1;chr21:10637520-10647520:-1;chr22:50776853-50786853:-1;chrX:118644507-118654507:-1;chrX:118654877-118664877:1;chrX:127369756-127379756:-1;chrY:15994871-16004871:1;chrY:16079200-16089200:-1;chrY:23647227-23657227:1;chrY:23748666-23758666:-1;chrY:28457355-28467355:-1;chrY:77458284-77468284:-1 hs1:15471020-15471135,hs20:52823000-52823146;hs1:45566619-45566844,hs6:87238326-87238396;hs1:56801753-56801811,hs16:85156219-85156265;hs1:120221247-120221318,hs2:130906766-130906987;hs4:17393815-17394078,hsX:53237945-53238014;hs4:28761499-28761685,hs4:28797388-28797553;hs4:82051015-82051178,hs4:82182814-82182916;hs4:82063773-82063874,hs4:105404940-105405052;hs4:82096701-82096790,hs4:105404954-105405056;hs4:113707566-113707748,hs4:114757573-114757813;hs4:180108938-180109021,hs4:180113837-180114112;hs5:164905564-164905677,hs5:165022361-165022460;hs5:174902726-174902991,hs5:174928546-174928773;hs6:68909698-68909748,hs9:101560727-101560796;hs7:41008361-41008558,hs7:41009008-41009259;hs7:54776605-54776814,hs7:55314446-55314690;hs7:54802834-54802958,hs7:55075327-55075473;hs7:54835064-54835185,hs7:54862014-54862229;hs7:54874826-54875049,hs7:54882410-54882525;hs7:54888182-54888360,hs7:55278805-55279035;hs7:54911240-54911344,hs7:54915760-54915933;hs7:54927349-54927607,hs7:55076010-55076285;hs7:54968445-54968692,hs7:55240950-55241203;hs7:54968766-54968943,hs7:55241304-55241534;hs7:54971109-54971231,hs7:55070613-55070733;hs7:55011430-55011535,hs7:55019742-55019868;hs7:55036491-55036712,hs7:55103207-55103452;hs7:55102899-55103026,hs7:55223218-55223379;hs7:55194031-55194157,hs7:55222048-55222265;hs7:55209570-55209838,hs7:55223464-55223748;hs7:150314480-150314640,hs7:151582417-151582645;hs7:150420079-150420204,hs7:151434716-151434963;hs7:151439895-151440011,hs7:151601368-151601505;hs7:151495821-151496048,hs7:151603027-151603232;hs7:151577493-151577733,hs7:151594688-151594941;hs7:151584022-151584253,hs7:151601720-151601819;hs7:154751221-154751402,hs7:155128712-155128948;hs7:154783139-154783323,hs7:154807210-154807463;hs7:154805745-154805877,hs7:155580617-155580776;hs7:154806472-154806663,hs7:155412342-155412456;hs7:155094402-155094626,hs7:155411165-155411394;hs7:155412336-155412406,hs7:155481146-155481221;hs8:77957237-77957297,hs8:78003437-78003497;hs9:18358406-18358592,hs9:27213453-27213608;hs9:21130169-21130357,hs9:24494259-24494429;hs9:24584121-24584290,hs9:24590638-24590843;hs12:25718373-25718423,hs12:25749632-25749867;hs16:20940071-20940122,hs6:29853122-29853216;hs18:14387933-14387999,hs2:86282474-86282699;hs18:74793571-74793644,hs6:142519220-142519279;hs19:2132304-2132497,hs19:2602419-2602665;hs19:19924778-19924833,hs19:20466062-20466165;hs20:7485256-7485480,hs7:151603232-151603409;hs20:7485294-7485483,hs20:7568756-7568831;hs20:7485307-7485519,hs20:7858926-7859088;hs20:7567604-7567816,hs7:151602268-151602441;hs20:7858552-7858801,hs7:151603149-151603394;hs20:7859740-7859930,hs7:151603494-151603632;hs20:10023614-10023851,hs20:10538626-10538877;hs20:10533315-10533448,hs7:151439697-151439817;hs20:10539191-10539393,hs7:151598544-151598720 Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 1 Glioblastoma Next Generation Sequencing Homo sapiens GBM_13_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 2,3,9,10 Glioblastoma Next Generation Sequencing Homo sapiens GBM_16_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 2,17 Non Small-cell lung cancer Next Generation Sequencing Homo sapiens LUAD_1_T Illumina paired-end sequencing chr1:148940228-148950228:-1;chr1:149936099-149946099:-1;chr1:152197617-152207617:1;chr1:152315064-152325064:-1;chr1:157316602-157326602:-1;chr1:197559930-197569930:1;chr1:207631620-207641620:1;chr1:207888651-207898651:-1;chr2:11400508-11410508:-1;chr2:11436066-11446066:1;chr2:38540683-38550683:1;chr2:39257158-39267158:-1;chr2:39282681-39292681:1;chr2:41531621-41541621:-1;chr2:41546798-41556798:1;chr2:86028254-86038254:-1;chr2:86078657-86088657:1;chr2:124605911-124615911:1;chr2:132978550-132988550:-1;chr3:193381476-193391476:-1;chr3:193396666-193406666:1;chr4:9813954-9823954:-1;chr4:179490192-179500192:-1;chr4:179510276-179520276:1;chr5:45905339-45915339:-1;chr5:56315967-56325967:-1;chr5:71945183-71955183:-1;chr5:72040614-72050614:1;chr5:99748808-99758808:1;chr5:122137209-122147209:-1;chr5:122167980-122177980:1;chr5:138855975-138865975:1;chr5:165180957-165190957:-1;chr5:165216420-165226420:1;chr5:180679560-180689560:1;chr6:57428986-57438986:-1;chr6:57480768-57490768:1;chr6:95624366-95634366:-1;chr6:95634641-95644641:1;chr7:32667085-32677085:1;chr7:32851742-32861742:1;chr7:106945234-106955234:-1;chr7:106992032-107002032:1;chr7:111616013-111626013:-1;chr8:111020753-111030753:-1;chr8:117778597-117788597:1;chr8:127048441-127058441:-1;chr10:2376201-2386201:-1;chr10:118762650-118772650:-1;chr10:118778064-118788064:1;chr10:128454292-128464292:-1;chr10:131768628-131778628:-1;chr11:85686911-85696911:-1;chr11:85697359-85707359:1;chr11:127200702-127210702:-1;chr12:34529334-34539334:-1;chr12:133804878-133814878:1;chr13:19481471-19491471:-1;chr13:21881835-21891835:-1;chr13:39607322-39617322:-1;chr13:51064467-51074467:1;chr14:70918701-70928701:1;chr14:71476489-71486489:1;chr15:85948730-85958730:-1;chr15:85964235-85974235:1;chr16:33901402-33911402:1;chr16:73673067-73683067:-1;chr16:73688402-73698402:1;chr17:21456957-21466957:1;chr19:24588662-24598662:-1;chr19:27727495-27737495:1;chr21:9822869-9832869:-1;chr22:28247796-28257796:-1;chrX:21287666-21297666:-1;chrX:21317929-21327929:1;chrX:41205597-41215597:1;chrY:21479752-21489752:-1 hs1:67662697-67662953,hs1:233747886-233748131;hs1:67703934-67704113,hs1:234390975-234391159;hs1:67780997-67781267,hs1:195983406-195983636;hs1:74792790-74792960,hs1:74796480-74796674;hs2:89302599-89302803,hs2:124335000-124335193;hs2:95329273-95329446,hs2:116874022-116874292;hs2:102517743-102517860,hs2:104620327-104620644;hs2:104629776-104629972,hs2:117429240-117429370;hs2:170655803-170655988,hs2:202125711-202125899;hs2:170786393-170786611,hs2:202131323-202131565;hs2:201341700-201341951,hs2:202135719-202136013;hs4:96044249-96044379,hs4:96046029-96046288;hs5:25187734-25187930,hs8:69393370-69393573;hs6:6742975-6743057,hs6:6746597-6746832;hs9:33356561-33356785,hs9:35409720-35409960;hs13:57758221-57758409,hs13:57789127-57789282;hs17:4960469-4960766,hs2:86085633-86085807;hs17:5173123-5173207,hs17:15192589-15192726;hs17:5234872-5235096,hs17:15224741-15224995;hs17:13380866-13381164,hs2:104610499-104610757;hs17:14148681-14148853,hs2:124328944-124329102;hs17:14355131-14355364,hs17:21248423-21248665;hs17:14676724-14676991,hs2:88931961-88932190;hs17:15272955-15273201,hs17:16587537-16587824;hs17:15274207-15274472,hs2:124330365-124330612;hs17:15372418-15372664,hs2:88930900-88931136;hs17:15737992-15738207,hs17:21251465-21251671;hs17:15867193-15867484,hs17:22127631-22127868;hs17:21251312-21251541,hs2:124331647-124331904;hs17:21402352-21402596,hs2:86034683-86034949;hs18:2666733-2666912,hs18:3029184-3029362;hs19:43038834-43039060,hs19:43809952-43810148 Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 8,20 Non Small-cell lung cancer Next Generation Sequencing Homo sapiens LUAD_5_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 3,7 Non Small-cell lung cancer Next Generation Sequencing Homo sapiens LUSC_1_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA Research 23410887 Malhotra A, Lindberg M, Faust GG, Leibowitz ML, Clark RA, Layer RM, Quinlan AR, Hall IM Breakpoint profiling of 64 cancer genomes reveals numerous complex rearrangements spawned by homology-independent mechanisms Genome Research 2013 May 4 Non Small-cell lung cancer Next Generation Sequencing Homo sapiens LUSC_6_T Illumina paired-end sequencing 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Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, Virginia 22903, USA Tumor genomes are generally thought to evolve through a gradual accumulation of mutations, but the observation that extraordinarily complex rearrangements can arise through single mutational events suggests that evolution may be accelerated by punctuated changes in genome architecture. To assess the prevalence and origins of complex genomic rearrangements (CGRs), we mapped 6179 somatic structural variation breakpoints in 64 cancer genomes from seven tumor types and screened for clusters of three or more interconnected breakpoints. We find that complex breakpoint clusters are extremely common: 154 clusters comprise 25% of all somatic breakpoints, and 75% of tumors exhibit at least one complex cluster. Based on copy number state profiling, 63% of breakpoint clusters are consistent with being CGRs that arose through a single mutational event. CGRs have diverse architectures including focal breakpoint clusters, large-scale rearrangements joining clusters from one or more chromosomes, and staggeringly complex chromothripsis events. Notably, chromothripsis has a significantly higher incidence in glioblastoma samples (39%) relative to other tumor types (9%). Chromothripsis breakpoints also show significantly elevated intra-tumor allele frequencies relative to simple SVs, which indicates that they arise early during tumorigenesis or confer selective advantage. Finally, assembly and analysis of 4002 somatic and 6982 germline breakpoint sequences reveal that somatic breakpoints show significantly less microhomology and fewer templated insertions than germline breakpoints, and this effect is stronger at CGRs than at simple variants. These results are inconsistent with replication-based models of CGR genesis and strongly argue that nonhomologous repair of concurrently arising DNA double-strand breaks is the predominant mechanism underlying complex cancer genome rearrangements. GRCh37/hg19 Yes NA