Ergül Belge Kurutaş, Figen Doran, Harun ÇIRALIK

THE EFFECT OF ENDOSULFAN ON LACTIC DEHYDROGENASE ENZYME SYSTEM IN LIVER OF MUS MUSCULUS : A HISTOCHEMICAL STUDY

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THE EFFECT OF ENDOSULFAN ON LACTIC DEHYDROGENASE ENZYME SYSTEM IN LIVER OF MUS MUSCULUS : A HISTOCHEMICAL STUDY

Aim: Endosulfan is an important toxic agent which generates free oxygen radicals in liver. In Çukurova region, some relation between the incidence of toxic injury to liver and widespread use of endosulfan has been suggested. Since endosulfan is a frequently used pesticide, it was planned to investigate whether endosulfan could do liver injury and increase lactic dehydrogenase in liver. Methods: Sixty mature (30 controls, 30 experimental) Mus musculus, weighing between 2340 g, obtained from Medical Experimental Surgery Research Center of Çukurova University, were utilized in this study. The effects of oral administration of endosulfan (0.24 mg per 100 g body weight) daily for 90 days (short term) and 180 days (long term) were investigated. Results: At the end of the experimental period, no effect on body weights but an increase on liver weight and hepato/somatic index were observed in both short and long terms. On microscopic examination, livers of experimental groups exhibited severe damage histopathologically. On the other hand, livers of the same group, particularly in long term oral endosulfan administered mice, demonstrated some toxic changes and high levels of lactic dehydrogenase activity with enzyme histochemical method. Conclusion: The exposure to endosulfan in mice caused liver tissue damage histologically, this was also demonstrated by hepatic/somatic index and increased levels of liver LDH assesed with histochemical method

Keywords:

Endosulfan, mus musculus, lactic dehydrogenase enzyme histochemistry,

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