Rearrangement processes and structural variations show evidence of selection in oesophageal adenocarcinomas.
Journal
Communications biology
ISSN: 2399-3642
Titre abrégé: Commun Biol
Pays: England
ID NLM: 101719179
Informations de publication
Date de publication:
08 04 2022
08 04 2022
Historique:
received:
07
09
2021
accepted:
25
02
2022
entrez:
9
4
2022
pubmed:
10
4
2022
medline:
13
4
2022
Statut:
epublish
Résumé
Oesophageal adenocarcinoma (OAC) provides an ideal case study to characterize large-scale rearrangements. Using whole genome short-read sequencing of 383 cases, for which 214 had matched whole transcriptomes, we observed structural variations (SV) with a predominance of deletions, tandem duplications and inter-chromosome junctions that could be identified as LINE-1 mobile element (ME) insertions. Complex clusters of rearrangements resembling breakage-fusion-bridge cycles or extrachromosomal circular DNA accounted for 22% of complex SVs affecting known oncogenes. Counting SV events affecting known driver genes substantially increased the recurrence rates of these drivers. After excluding fragile sites, we identified 51 candidate new drivers in genomic regions disrupted by SVs, including ETV5, KAT6B and CLTC. RUNX1 was the most recurrently altered gene (24%), with many deletions inactivating the RUNT domain but preserved the reading frame, suggesting an altered protein product. These findings underscore the importance of identification of SV events in OAC with implications for targeted therapies.
Identifiants
pubmed: 35396535
doi: 10.1038/s42003-022-03238-7
pii: 10.1038/s42003-022-03238-7
pmc: PMC8993906
doi:
Substances chimiques
Histone Acetyltransferases
EC 2.3.1.48
KAT6B protein, human
EC 2.3.1.48
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
335Subventions
Organisme : Cancer Research UK
ID : 15874
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/W014122/1
Pays : United Kingdom
Organisme : Department of Health
ID : BRC-1215-20014
Pays : United Kingdom
Organisme : Medical Research Council
ID : RG84369
Pays : United Kingdom
Organisme : Cancer Research UK
ID : 23924
Pays : United Kingdom
Organisme : Cancer Research UK
ID : 20406
Pays : United Kingdom
Organisme : Cancer Research UK
ID : 25487
Pays : United Kingdom
Investigateurs
Nicola Grehan
(N)
Barbara Nutzinger
(B)
Elwira Fidziukiewicz
(E)
Adam Freeman
(A)
Elizabeth C Smyth
(EC)
Maria O'Donovan
(M)
Ahmad Miremadi
(A)
Shalini Malhotra
(S)
Monika Tripathi
(M)
Calvin Cheah
(C)
Hannah Coles
(H)
Connor Flint
(C)
Matthew Eldridge
(M)
Maria Secrier
(M)
Sriganesh Jammula
(S)
Jim Davies
(J)
Charles Crichton
(C)
Nick Carroll
(N)
Richard H Hardwick
(RH)
Peter Safranek
(P)
Andrew Hindmarsh
(A)
Vijayendran Sujendran
(V)
Stephen J Hayes
(SJ)
Yeng Ang
(Y)
Andrew Sharrocks
(A)
Shaun R Preston
(SR)
Izhar Bagwan
(I)
Vicki Save
(V)
Richard J E Skipworth
(RJE)
Ted R Hupp
(TR)
J Robert O'Neill
(JR)
Olga Tucker
(O)
Andrew Beggs
(A)
Philippe Taniere
(P)
Sonia Puig
(S)
Timothy J Underwood
(TJ)
Robert C Walker
(RC)
Ben L Grace
(BL)
Jesper Lagergren
(J)
James Gossage
(J)
Andrew Davies
(A)
Fuju Chang
(F)
Ula Mahadeva
(U)
Vicky Goh
(V)
Francesca D Ciccarelli
(FD)
Grant Sanders
(G)
Richard Berrisford
(R)
David Chan
(D)
Ed Cheong
(E)
Bhaskar Kumar
(B)
L Sreedharan
(L)
Simon L Parsons
(SL)
Irshad Soomro
(I)
Philip Kaye
(P)
John Saunders
(J)
Laurence Lovat
(L)
Rehan Haidry
(R)
Michael Scott
(M)
Sharmila Sothi
(S)
Suzy Lishman
(S)
George B Hanna
(GB)
Christopher J Peters
(CJ)
Krishna Moorthy
(K)
Anna Grabowska
(A)
Richard Turkington
(R)
Damian McManus
(D)
Helen Coleman
(H)
Russell D Petty
(RD)
Freddie Bartlett
(F)
Informations de copyright
© 2022. The Author(s).
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