| Autor: |
Bryzgunova OE; Institute of Chemical Biology and Fundamental Medicine, Siberian Division of the Russian Academy of Sciences, 8, Lavrentiev Ave., Novosibirsk 630090, Russia., Skvortsova TE, Kolesnikova EV, Starikov AV, Rykova EY, Vlassov VV, Laktionov PP |
| Jazyk: |
angličtina |
| Zdroj: |
Annals of the New York Academy of Sciences [Ann N Y Acad Sci] 2006 Sep; Vol. 1075, pp. 334-40. |
| DOI: |
10.1196/annals.1368.045 |
| Abstrakt: |
Cell-free nucleic acids (NA) from human urine were investigated. Concentrations of DNA and RNA in the urine of healthy people were independent of gender and were in the range of 6 ng/mL to 50 ng/mL and 24 ng/mL to 140 ng/mL, respectively. DNA fragments of 150-400 bp represent the main part of cell-free DNA, along with DNA fragments up to 1,300 bp, which were found in male urine, and DNA fragments up to 19 kbp, which were found in female urine. Analysis of circulating DNA, isolated from blood of breast cancer patients and cell-free DNA isolated from their urine by methylation-specific PCR, demonstrates that the presence of methylated promoters of RASSF1A and RARbeta2 genes in plasma was accompanied by the detection of the same methylated markers in urine. The data obtained demonstrate applicability of cell-free urine DNA in cancer diagnostics. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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