Title : Clonidine diminishes c-jun gene expression in the cardiovascular sensitive areas of the rat brainstem.

Pub. Date : 2000 Feb 21

PMID : 10677633






3 Functional Relationships(s)
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1 The present study investigated the effect of clonidine on the basal and inducible c-jun and c-fos mRNA expression in the nucleus tractus solitarius (middle, mNTS, and rostral, rNTS) and the rostral ventrolateral medulla (caudal, cRVLM, and rostral, rRVLM). Clonidine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
2 Clonidine attenuated the increases in c-fos in the mNTS and cRVLM and c-jun gene expression in the mNTS and rRVLM caused by NP-evoked hypotension and also reduced the basal expression of c-jun mRNA in the mNTS and rRVLM. Clonidine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus
3 These findings establish a causal link between clonidine inhibition of c-fos expression in brainstem and its hypotensive action, and provide the first evidence that clonidine attenuates the expression of the closely linked c-jun gene in neurons implicated in centrally mediated hypotension. Clonidine Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus