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Nuclease deficiencies alter plasma cell-free DNA methylationprofiles (mouse)

The effects of DNASE1L3 or DNASE1 deficiency on cfDNA methylation was explored in plasma of mice deficient in these nucleases and in DNASE1L3-deficient humans. Compared to wildtype cfDNA, cfDNA in Dnase1l3-deficient mice was significantly hypomethylated, while cfDNA in Dnase1-deficient mice was hypermethylated. The cfDNA hypomethylation in Dnase1l3-deficient mice was due to increased fragmentation and representation from open chromatin regions (OCRs) and CpG islands (CGIs). These findings were absent in Dnase1-deficient mice.

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Dataset ID Description Technology Samples
EGAD00001007751 Illumina HiSeq 4000 NextSeq 500 36
Publications Citations
Nuclease deficiencies alter plasma cell-free DNA methylation profiles.
Genome Res 31: 2021 2008-2021
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