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We describe a novel method for assessing the “open” or “closed” state of chromatin at selected locations within the genome. This method combines the use of Benzonase, which can digest DNA in the presence of actin, with quantitative polymerase chain reaction to define digested regions. We demonstrate the application of this method in brain homogenates and laser captured cells. We also demonstrate application...
The subventricular zone (SVZ) is a site of neurogenesis in the aging brain, and epigenetic mechanisms have been implicated in regulating the “normal” distribution of new nerve cells into the existing cellular milieu. In a case-control study of human primary SVZ cultures and fixed tissue from the same individuals, we have found significant increases in DNA hydroxymethylation levels in the SVZ of Alzheimer's...
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