Abstract：
:The objective of this study was to further evaluate the developmental toxicity of tributyltin chloride (TBTCl) in rats. Pregnant rats were given TBTCl by gastric intubation at a dose of 25, 50 or 100 mg/kg on days 7-9, days 10-12 or days 13-15 of pregnancy. A significant increase in the incidence of post-implantation loss was found in the groups treated with TBTCl on days 7-9 at 25 and 50 mg/kg and on days 10-12 at 100 mg/kg, but not in the groups treated with TBTCl on days 13-15. No significant increase in the incidence of malformed fetuses was observed after treatment with TBTCl on days 7-9. A significant increase incidence of malformed fetuses was detected when TBTCl was given on days 10-12 at 100 mg/kg and on days 13-15 at 25, 50 and 100 mg/kg. The most predominant malformation was cleft palate. It could be concluded that the manifestation of deviant development induced by TBTCl varies with the developmental stage at the time of administration and TBTCl possesses teratogenic potential with developmental phase specificity.
journal_name
Toxicologyjournal_title
Toxicologyauthors
Ema M,Kurosaka R,Amano H,Ogawa Ydoi
10.1016/0300-483x(94)02920-psubject
Has Abstractpub_date
1995-02-27 00:00:00pages
195-201issue
3eissn
0300-483Xissn
1879-3185pii
0300483X9402920Pjournal_volume
96pub_type
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