Title : Vaccination against nicotine does not prevent nicotine-induced changes in fetal nicotinic receptor binding and c-fos mRNA expression in rats.

Pub. Date : 2006 Sep-Oct

PMID : 16996246






4 Functional Relationships(s)
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1 In the current study, the effects of vaccination on nicotine-induced changes in fetal (3)H-epibatidine binding and c-fos mRNA expression were evaluated using tissue from a previous pharmacokinetic study of vaccination. Nicotine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
2 Gestational nicotine exposure produced significant increases in (125)I-epibatidine binding to brain and spinal cord on GD20, and decreased c-fos mRNA expression in fetal striatum, adrenal and lung. Nicotine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
3 These data suggest that nicotine dosing, using a clinically relevant intermittent bolus dose regimen, produces substantial changes in fetal nicotinic receptor and c-fos mRNA expression. Nicotine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
4 The decrease in c-fos mRNA expression contrasts with previously reported increases, and suggests that the nicotine dosing regimen used may influence its effects. Nicotine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus