Measurement of Telomeric DNA Content in Human Tissues
نویسندگان
چکیده
منابع مشابه
Measurement of telomeric DNA content in human tissues.
Telomeres, nucleoprotein complexes at the ends of eukaryotic chromosomes, are 10-12 kbp in length in somatic cells, but as small as 1-2 kbp in rapidly growing cancer cells. Southern blot analysis is currently the standard method for the measurement of telomere length. However, accurate determinations are not possible when DNA is broken or scant. To avoid these problems, a slot blot assay that q...
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DNA with tandem repeats of guanines folds into G-quadruplexes made of a stack of G-quartets. In vitro, G-quadruplex formation inhibits telomere extension, and POT1 binding to the single-stranded telomeric DNA enhances telomerase activity by disrupting the G-quadruplex structure, highlighting the potential importance of the G-quadruplex structure in regulating telomere length in vivo. We have us...
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15 صفحه اولFluorescence properties of 2-aminopurine in human telomeric DNA.
The substitution of 2-aminopurine (Ap) for A7 in the human telomeric sequence d[AGGG(TTAGGG)(3)] resulted in a significant increase in the fluorescence intensity of Ap for the conformational change from duplex to quadruplex.
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ژورنال
عنوان ژورنال: BioTechniques
سال: 1997
ISSN: 0736-6205,1940-9818
DOI: 10.2144/97233st05