Age-dependent effects of sodium butyrate and hydrocortisone on acetylation of high mobility group proteins of rat liver.
The in vitro acetylation of high mobility group (HMG) proteins and its modulation by sodium butyrate and hydrocortisone have been studied using liver slices of young (13-) and old (114-week-old) rats. Acetylation of total HMG proteins was significantly higher in young than old rats. HMG 1, in particular, showed greater acetylation than others. Whereas acetylation of HMG 1 and 2 decreased drastically, that of HMG 14 and 17 increased in old age. In young rats, sodium butyrate and hydrocortisone stimulated acetylation of HMG 14 and 17, and decreased that of HMG 2. Butyrate had no effect on HMG 1, but hydrocortisone decreased it. In old rats, butyrate and hydrocortisone decreased acetylation of all HMGs, except HMG 17, which was stimulated to a slight extent by butyrate.[1]References
- Age-dependent effects of sodium butyrate and hydrocortisone on acetylation of high mobility group proteins of rat liver. Prasad, S., Thakur, M.K. Biochem. Int. (1988) [Pubmed]
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