Abstract:
:HMG proteins were extracted with 5% PCA or 0.35 M NaCl from whole tissue, nuclei or chromatin of the liver of young (19 weeks) and old (118 weeks) male rats. They were resolved on acetic acid-urea polyacrylamide gel. The electrophoretic patterns of the major HMG proteins 1, 2, 14 and 17 of both ages are similar. The in vitro synthesis of HMG 1 and 2 decreases, but that of HMG 14 and 17 increases considerably in the liver of old rats. The synthesis of different HMG proteins is modulated differentially by spermine, butyrate, dexamethasone and 3-aminobenzamide in the liver of young and old rats. These findings suggest that HMG proteins contribute to alterations in the organization of chromatin and expression of genes during aging.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Thakur MK,Prasad Sdoi
10.1007/BF00369896subject
Has Abstractpub_date
1991-02-01 00:00:00pages
19-24issue
1eissn
0301-4851issn
1573-4978journal_volume
15pub_type
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