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Biomedical and environmental sciences : BES

Effects of 3,4-dichloroaniline on testicle enzymes as biological markers in rats.


PMID 19462686

Abstract

To investigate the effects of 3,4-dichloroaniline (3,4-DCA) on activities of testicle enzymes as biological markers in rats. Fifty male rats were randomly divided into 5 groups (n=10). One group was left untreated and used as a solvent control (administered orally by corn oil), while the other 4 groups were treated with 3, 4-DCA. Corn oil was used as a solvent, and 3,4-DCA was diluted into tested concentrations (39, 81, 170, and 357 mg/kg). All the groups orally administered 3,4-DCA or corn oil, once a day for 4 weeks. The testicle tissue was homogenized in a 0.1 mol/L potassium phosphate buffer (0.1 mol/L, pH 7.2). The crude homogenate was centrifuged at 6000 rpm for 5 min at 4 degrees C. The supernatant obtained was used as an enzyme extract for determination of the enzyme activities. Compared with the control, the activities of ALP, ACP, and SDH were increased significantly at a lower level of 3,4-DCA, and decreased at a higher level of 3, 4-DCA, whreas the activities of LDH, LDH-X, and G6PDH were inhibited significantly with the increased 3,4-DCA concentration. Organ coefficient "organ weight/total body weight x 100" of testis, liver, and spleen increased significantly with the increased 3,4-DCA concentration. These results suggest that 3,4-DCA toxicity to the male reproductive system was associated with the activities of testicular enzymes which are the sensitive biochemical endpoints reflecting 3,4-DCA toxicity to the male reproductive system. 3,4-DCA has toxicity to the reproductive system in male rats.

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437778
3,4-Dichloroaniline, 98%
C6H5Cl2N