Study summary · research use only
Bioregulator Vilon-induced reactivation of chromatin in cultured lymphocytes from old people
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
In this study of cultured lymphocytes from old people, the authors examined the synthetic peptide bioregulator Vilon on structural and facultative heterochromatin. They report that Vilon was associated with deheterochromatinization of total heterochromatin, activation of processes attributed to reactivation of ribosomal genes via decondensation of nucleolus organizer regions, and release of genes described as repressed by condensation of euchromatic regions, but did not induce decondensation of pericentromeric structural heterochromatin. The authors interpret this as Vilon causing progressive activation of facultative heterochromatin with increasing age.
Abstract
The effect of the synthetic peptide bioregulator Vilon on structural and facultative heterochromatin of cultured lymphocytes from old people has been studied. The data obtained indicate that Vilon (a) induces unrolling (deheterochromatinization) of total heterochromatin; (b) activates synthetic processes caused by the reactivation of ribosomal genes as a result of deheterochromatinization of nucleolus organizer regions; (c) releases the genes repressed due to the condensation of euchromatic regions forming facultative heterochromatin; (d) does not induce decondensation of pericentromeric structural heterochromatin. Our results indicate that Vilon causes progressive activation (deheterochromatinization) of the facultative heterochromatin with increased aging.
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