Contribution of breakdown in the regulation of mouse liver glutathione S-transferase subunits during protein depletion and re-feeding
1998
Garcia-Mata, R. | Conde, R.D. | Sanllorenti, P.M.
The in vivo radioactivity decay of glutathione S-transferase (GST) was observed in livers of normal-fed (N), protein-depleted (D), and re-fed mice (R), labelled with [35S]methionine. Half-lives in days at N, D and R, respectively, were: total GST, 1.7, 1.4, 4.3; Yb1-subunit, 2.0, 1.8, 3.3; Yc-subunit, 2.4, 1.0, 4.2; Yf-subunit, 1.1, 2.1, 5.0. These findings, together with the fact that the proportions of GST-subunits depend on dietary protein, show that breakdown contributes differentially to control the content of each GST subunit. Data also indicate that GSTs are long-life proteins.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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