Bioregulator Vilon-induced reactivation of chromatin in cultured lymphocytes from old people.
Biogerontology
; 5(2): 73-9, 2004.
Article
em En
| MEDLINE
| ID: mdl-15105581
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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Base de dados:
MEDLINE
Assunto principal:
Envelhecimento
/
Heterocromatina
/
Linfócitos
/
Dipeptídeos
Limite:
Adult
/
Aged
/
Aged80
/
Humans
Idioma:
En
Ano de publicação:
2004
Tipo de documento:
Article