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Frequent copresence of methylated DNA and fragmented nucleosomal DNA in plasma of lymphoma patients.
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Abstract
The circulating DNA in plasma/serum of cancer patients has been shown to reflect the characteristics of the tumor DNA including molecular changes, such as methylation, point mutations and microsatellite instability. Fragmented nucleosomal DNA in plasma resulting from apoptotic death of the tumor cells may also provide an indication for tumor DNA. In this study, we comparatively analysed plasma DNA methylation and presence of fragmented nucleosomal DNA in patients with lymphoproliferative diseases.