Abstract：
:Male and female rat pups were exposed to a single dose of triethyl tin (TET) or ethanol vehicle on day 5 postnatally and tested for responsiveness to apomorphine as adults. TET-exposed animals displayed an increased response to the stereotypic effects of 1 mg/kg of apomorphine. Female rats exposed neonatally to TET had decreased baseline rates of responding on a food reinforced variable interval (VI) 15 sec. schedule, while TET-exposed males were found to have increased baseline rates relative to controls. The rats maintained on a VI 15 sec. schedule were given various doses of apomorphine (0.0312-0.25 mg/kg, s.c.). Neonatal exposure to TET had no effect on the disruptive effects of apomorphine on VI 15 sec. responding. These data show an altered responsiveness of TET-exposed animals to higher doses of apomorphine (1 mg/kg), but not to lower doses of apomorphine (0.0312-0.25 mg/kg). The present data are in accord with the hypothesis that one of the long-term consequences of neonatal exposure to TET might be an alteration in the responsiveness of the dopamine system.
journal_name
Neurotoxicologyjournal_title
Neurotoxicologyauthors
Harry GJ,Tilson HAsubject
Has Abstractpub_date
1982-07-01 00:00:00pages
64-71issue
1eissn
0161-813Xissn
1872-9711journal_volume
3pub_type
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