Khachatryan G S, Alaverdyan A A
Vopr Med Khim. 1975 May-Jun;21(3):264-8.
Optimal activity of RNAase from brain ribosomal fraction was observed at pH 5.4 and pH 7.9. After alimentary and conditioned-alimentary stimulation content of rRNA was significantly increased in brain, but the RNAase activity was decreased more than two-fold. After conditioned-alimentary inhibition content of rRNA was slightly decreased as compared to experiments with alimentary and conditioned-alimentary stimulation, but it was distinctly higher than in control. As compared with alimentary stimulation in the conditioned-alimentary stimulation the RNAase activity was increased at pH 5.4 and decreased at pH 7.9.
在pH 5.4和pH 7.9时观察到脑核糖体部分的核糖核酸酶活性最佳。经食物性和条件性食物刺激后，脑中rRNA的含量显著增加，但核糖核酸酶活性下降了两倍多。与食物性和条件性食物刺激实验相比，经条件性食物抑制后，rRNA的含量略有下降，但明显高于对照组。与食物性刺激相比，在条件性食物刺激中，pH 5.4时核糖核酸酶活性增加，pH 7.9时活性降低。
