Activities of glutathione-S-transferase and ethoxycoumarin-O-deethylase in tissues of camels, sheep, goats and rats

H. A. El Sheikh*, B. H. Ali, A. M. Homeida, H. J. Hapke

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةمراجعة النظراء

24 اقتباسات (Scopus)

ملخص

1. The activities of the drug metabolizing enzymes ethoxycoumarin-O-deethylase, glutathione-S-transferase, and protein concentrations were measured in vitro in the liver, kidney and duodenal mucosa of camels, sheep, goats and rats. 2. Enzyme activities were generally higher in the liver than in the kidney and duodenal mucosa in the four species studied. 3. The activities of ethoxycoumarin-O-deethylase and glutathione-S-transferase in liver of male kids were about one third and half of that in adult male goats, respectively.In the kidney and duodenal mucosa of male kids, the activity of glutathione-S-transferase was about 70% and 53% of that in the mature male goat, respectively. In the latter tissues, however, there was no detectable activity of ethoxycoumarin-O-deethylase. 4. In general, goats and sheep had similar activities of the two enzymes which were significantly higher than those found in camels and rats. 5. Some sex-related differences were noted in the activity of the two enzymes studied.Female sheep had significantly higher hepatic glutathione-S-transferase than the male; while the enzyme activity in the kidney and duodenal mucosa of male goats was significantly higher than in females. Male rats had higher hepatic ethoxycoumarin-O-deethylase activity than females.

اللغة الأصليةEnglish
الصفحات (من إلى)293-297
عدد الصفحات5
دوريةComparative Biochemistry and Physiology. Part C, Comparative
مستوى الصوت98
رقم الإصدار2-3
المعرِّفات الرقمية للأشياء
حالة النشرPublished - 1991

ASJC Scopus subject areas

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