Genomics

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Acute loss of TET function results in aggressive myeloid cancer in mice [RNA-Seq]


ABSTRACT: TET-family dioxygenases oxidize 5-methylcytosine (5mC) in DNA, and exert tumor suppressor activity in many types of cancers. Even in the absence of TET coding region mutations, TET loss-of-function is strongly associated with cancer. We show that acute elimination of TET function induces the rapid development of an aggressive, fully-penetrant and cell-autonomous myeloid leukemia in mice, pointing to a causative role for TET-loss-of-function in this myeloid malignancy. Phenotypic and transcriptional profiling showed aberrant differentiation of hematopoietic stem/ progenitor cells, impaired erythroid and lymphoid differentiation and strong skewing to the myeloid lineage, with only a mild relation to changes in DNA modification. We also observed progressive accumulation of DNA damage and strong impairment of DNA break repair, suggesting a key role for TET proteins in maintaining genomic integrity. Overall design: Jungeun, An

INSTRUMENT(S): Illumina HiSeq 2500 (Mus musculus)

SUBMITTER: Anjana Rao 

PROVIDER: GSE72628 | GEO | 2015-11-26

SECONDARY ACCESSION(S): PRJNA294517

REPOSITORIES: GEO

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