TY - JOUR
T1 - Decoding the DNA Methylome of Mantle Cell Lymphoma in the Light of the Entire B Cell Lineage
AU - Queirós, Ana C.
AU - Beekman, Renée
AU - Vilarrasa-Blasi, Roser
AU - Duran-Ferrer, Martí
AU - Clot, Guillem
AU - Merkel, Angelika
AU - Raineri, Emanuele
AU - Russiñol, Nuria
AU - Castellano, Giancarlo
AU - Beà, Sílvia
AU - Navarro, Alba
AU - Kulis, Marta
AU - Verdaguer-Dot, Núria
AU - Jares, Pedro
AU - Enjuanes, Anna
AU - Calasanz, María José
AU - Bergmann, Anke
AU - Vater, Inga
AU - Salaverría, Itziar
AU - van de Werken, Harmen J.G.
AU - Wilson, Wyndham H.
AU - Datta, Avik
AU - Flicek, Paul
AU - Royo, Romina
AU - Martens, Joost
AU - Giné, Eva
AU - Lopez-Guillermo, Armando
AU - Stunnenberg, Hendrik G.
AU - Klapper, Wolfram
AU - Pott, Christiane
AU - Heath, Simon
AU - Gut, Ivo G.
AU - Siebert, Reiner
AU - Campo, Elías
AU - Martín-Subero, José I.
N1 - Publisher Copyright:
© 2016 The Authors
PY - 2016/11/14
Y1 - 2016/11/14
N2 - We analyzed the in silico purified DNA methylation signatures of 82 mantle cell lymphomas (MCL) in comparison with cell subpopulations spanning the entire B cell lineage. We identified two MCL subgroups, respectively carrying epigenetic imprints of germinal-center-inexperienced and germinal-center-experienced B cells, and we found that DNA methylation profiles during lymphomagenesis are largely influenced by the methylation dynamics in normal B cells. An integrative epigenomic approach revealed 10,504 differentially methylated regions in regulatory elements marked by H3K27ac in MCL primary cases, including a distant enhancer showing de novo looping to the MCL oncogene SOX11. Finally, we observed that the magnitude of DNA methylation changes per case is highly variable and serves as an independent prognostic factor for MCL outcome.
AB - We analyzed the in silico purified DNA methylation signatures of 82 mantle cell lymphomas (MCL) in comparison with cell subpopulations spanning the entire B cell lineage. We identified two MCL subgroups, respectively carrying epigenetic imprints of germinal-center-inexperienced and germinal-center-experienced B cells, and we found that DNA methylation profiles during lymphomagenesis are largely influenced by the methylation dynamics in normal B cells. An integrative epigenomic approach revealed 10,504 differentially methylated regions in regulatory elements marked by H3K27ac in MCL primary cases, including a distant enhancer showing de novo looping to the MCL oncogene SOX11. Finally, we observed that the magnitude of DNA methylation changes per case is highly variable and serves as an independent prognostic factor for MCL outcome.
KW - ChIP-seq
KW - chromatin
KW - DNA looping
KW - DNA methylation
KW - enhancer
KW - epigenomics
KW - lymphoma
KW - mantle cell lymphoma
KW - SOX11
KW - whole-genome bisulfite sequencing
UR - http://www.scopus.com/inward/record.url?scp=85006511752&partnerID=8YFLogxK
U2 - 10.1016/j.ccell.2016.09.014
DO - 10.1016/j.ccell.2016.09.014
M3 - Article
C2 - 27846393
AN - SCOPUS:85006511752
SN - 1535-6108
VL - 30
SP - 806
EP - 821
JO - Cancer Cell
JF - Cancer Cell
IS - 5
ER -