Title : Regional c-Fos and FosB/ΔFosB expression associated with chronic methamphetamine self-administration and methamphetamine-seeking behavior in rats.

Pub. Date : 2012 Mar 29

PMID : 22266344






6 Functional Relationships(s)
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1 Regional c-Fos and FosB/DeltaFosB expression associated with chronic methamphetamine self-administration and methamphetamine-seeking behavior in rats. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
2 Regional c-Fos and FosB/DeltaFosB expression associated with chronic methamphetamine self-administration and methamphetamine-seeking behavior in rats. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
3 The results showed that acute METH produced a characteristic signature of Fos expression with elevations in striatal, cortical, and extended amygdala regions. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
4 Importantly, rats with a 3-week history of METH self-administration displayed similar regional Fos expression to rats receiving METH for the first time. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
5 Rats seeking, but not receiving, METH on the test day had augmented Fos in the lateral hypothalamus, septum, and vertical limb of the diagonal band of Broca, suggesting a primary role for these regions in METH-seeking behavior. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
6 Overall, these results show persistent upregulated regional brain Fos and FosB/DeltaFosB expression with chronic METH self-administration and indicate a role for the lateral hypothalamus and lateral septum in METH-seeking behavior. Methamphetamine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus