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1999:
Kudriavtseva M V; Bezborodkina N N; Sakuta G A; Kudriavtsev B N
[Glycogen synthesizing function of hepatocytes in rats with liver cirrhosis after treatment with chorionic gonadotropin]
Tsitologiia 1999;
41(
6):.
Using rat liver hepatocytes, methods of cytofluorimetry (Kudryavtseva et al., 1974) and biochemistry were applied to comparative studies of the total glycogen content, including its labile (LF) and stable (SF) fractions, and activities of glucose-6-phosphatase, glycogen phosphorylase and glycogensynthetase in these. The liver hepatocytes were examined in norm, and under conditions of CCl4 poisoning of rats, both 6 months after a chronic poisoning, and 1, 3 and 6 months following poisoning cessation. All the experimentally poisoned rats were divided into two conventional groups: rats of one group received, apart from poisoning, a complex treatment with chorionic gonadotropin (CG); the other group rats received, no treatment. The material used for examination was obtained from serial functional biopsies of each experimental animal. It has been shown that under cirrhosis the content of the total glycogen in hepatocytes increased by 3 times, and that of its SF even by 9.7 times. The treatment with CG for 1 month resulted in its reducing to the norm, and 3 to 6 months treatments normalized contents of both the glycogen fractions. In the group of non-treated rats no similar changes were registered. Besides, in the cirrotic rats the activity of glucose-6-phosphatase was shown to increase by 4 times. After CG treatment it was seen to decrease by 3 times. Thus, CG may be regarded as an optimum and more effective agent for restoring abnormalities in cirrotic liver, compared to some other stimulating factors, such as hepatectomy (Kudryavtseva et al., 1996) or rich-carbohydrate diet (Kudryavtseva et al., 1998).
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