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Distribution of rhodanese in different parts of the urogenital systems of sheep at pre- and post-natal stages.

Author information

1
Department of Biochemistry, School of Veterinary Medicine, Shiraz University, Iran. aminlari@hafez.shirazu.ac.ir

Abstract

The enzyme rhodanese (thiosulfate:cyanide sulfurtransferase) is a ubiquitous enzyme present in all living organisms, from bacteria to humans and plays a central role in cyanide detoxification. The purpose of this investigation is to determine and compare rhodanese activity in different parts of urogenital systems of male and female sheep fetuses at 2.5, 3, 3.5, 4, 4.5, and 5 months of age. The highest activity of rhodanese in male fetus was in kidney cortex, followed by medulla of the kidney. No significant difference was observed in other organs. In female fetus, the highest activity was in kidney cortex followed by oviduct and medulla of kidney. The enzyme activity of tissues increased with age. There was no significant difference (P > 0.05) between male and female fetuses in levels of rhodanese activity of different tissues except in urinary bladder at 2.5 and 3 months and in urethra at 4.5 months of age. The results of this study might indicate the involvement of rhodanese in cyanide detoxification in tissues which are more exposed to cyanide. On the other hand, rhodanese might perform other functions which are specific in these tissues.

PMID:
11126767
[Indexed for MEDLINE]

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