Genome-wide profiling identifies a DNA methylation signature that associates with TET2 mutations in diffuse large B-cell lymphoma
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Genome-wide profiling identifies a DNA methylation signature that associates with TET2 mutations in diffuse large B-cell lymphoma. / Asmar, Fazila; Punj, Vasu; Christensen, Jesper Aagaard; Pedersen, Marianne T; Pedersen, Anja; Nielsen, Anders B; Hother, Christoffer; Ralfkiaer, Ulrik; Brown, Peter; Ralfkiaer, Elisabeth; Helin, Kristian; Grønbæk, Kirsten.
In: Haematologica, Vol. 98, No. 12, 12.2013, p. 1912-20.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Genome-wide profiling identifies a DNA methylation signature that associates with TET2 mutations in diffuse large B-cell lymphoma
AU - Asmar, Fazila
AU - Punj, Vasu
AU - Christensen, Jesper Aagaard
AU - Pedersen, Marianne T
AU - Pedersen, Anja
AU - Nielsen, Anders B
AU - Hother, Christoffer
AU - Ralfkiaer, Ulrik
AU - Brown, Peter
AU - Ralfkiaer, Elisabeth
AU - Helin, Kristian
AU - Grønbæk, Kirsten
PY - 2013/12
Y1 - 2013/12
N2 - The discovery that the Ten-Eleven Translocation (TET) hydroxylases cause DNA demethylation has fundamentally changed the notion of how DNA methylation is regulated. Clonal analysis of the hematopoetic stem cell compartment suggests that TET2 mutations can be early events in hematologic cancers and recent investigations have shown TET2 mutations in diffuse large B-cell lymphoma. However, the detection rates and the types of TET2 mutations vary, and the relation to global methylation patterns has not been investigated. Here, we show TET2 mutations in 12 of 100 diffuse large B-cell lymphomas with 7% carrying loss-of-function and 5% carrying missense mutations. Genome-wide methylation profiling using 450K Illumina arrays identified 315 differentially methylated genes between TET2 mutated and TET2 wild-type cases. TET2 mutations are primarily associated with hypermethylation within CpG islands (70%; P
AB - The discovery that the Ten-Eleven Translocation (TET) hydroxylases cause DNA demethylation has fundamentally changed the notion of how DNA methylation is regulated. Clonal analysis of the hematopoetic stem cell compartment suggests that TET2 mutations can be early events in hematologic cancers and recent investigations have shown TET2 mutations in diffuse large B-cell lymphoma. However, the detection rates and the types of TET2 mutations vary, and the relation to global methylation patterns has not been investigated. Here, we show TET2 mutations in 12 of 100 diffuse large B-cell lymphomas with 7% carrying loss-of-function and 5% carrying missense mutations. Genome-wide methylation profiling using 450K Illumina arrays identified 315 differentially methylated genes between TET2 mutated and TET2 wild-type cases. TET2 mutations are primarily associated with hypermethylation within CpG islands (70%; P
U2 - 10.3324/haematol.2013.088740
DO - 10.3324/haematol.2013.088740
M3 - Journal article
C2 - 23831920
VL - 98
SP - 1912
EP - 1920
JO - Haematologica
JF - Haematologica
SN - 0390-6078
IS - 12
ER -
ID: 94410503