Classifying leukemia types with chromatin conformation data.

Abstract:

BACKGROUND:Although genetic or epigenetic alterations have been shown to affect the three-dimensional organization of genomes, the utility of chromatin conformation in the classification of human disease has never been addressed. RESULTS:Here, we explore whether chromatin conformation can be used to classify human leukemia. We map the conformation of the HOXA gene cluster in a panel of cell lines with 5C chromosome conformation capture technology, and use the data to train and test a support vector machine classifier named 3D-SP. We show that 3D-SP is able to accurately distinguish leukemias expressing MLL-fusion proteins from those expressing only wild-type MLL, and that it can also classify leukemia subtypes according to MLL fusion partner, based solely on 5C data. CONCLUSIONS:Our study provides the first proof-of-principle demonstration that chromatin conformation contains the information value necessary for classification of leukemia subtypes.

journal_name

Genome Biol

journal_title

Genome biology

authors

Rousseau M,Ferraiuolo MA,Crutchley JL,Wang XQ,Miura H,Blanchette M,Dostie J

doi

10.1186/gb-2014-15-4-r60

subject

Has Abstract

pub_date

2014-04-30 00:00:00

pages

R60

issue

4

eissn

1474-7596

issn

1474-760X

pii

gb-2014-15-4-r60

journal_volume

15

pub_type

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