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Evidence from pharmacological studies has implicated substance P (SP), a natural ligand of tachykinin NK(1) receptors which can also interact with NK(2) receptors, in the generation of pressor and tachycardic responses to stress. Using selective blockade of brain NK(1) and NK(2) receptors, we tested in conscious rats the hypothesis that SP initiates, within(More)
The prolactin-releasing peptide (PrRP) has been proposed to be a co-transmitter or modulator of noradrenaline (NA) because it colocalises with NA in the A1 (in the ventrolateral reticular formation) and A2 (in the nucleus of the solitary tract; NTS) cell groups in the caudal medulla. The baroreceptor signals, originating from the great vessels, are(More)
The noradrenergic (NA) neurons in the locus ceruleus (LC) were ablated with a high degree of selectivity by immunotoxin-mediated neuronal targeting. Transgenic mice were used in which the human interleukin-2 receptor-α subunit (hIL-2Rα; Tac) is expressed under the promoter of dopamine β-hydroxylase. The recombinant immunotoxin, which is composed of the Fv(More)
FosB is a member of the Fos family transcription factors. To determine whether FosB expression is regulated by glucocorticoids (GCs) in the hypothalamus, rats underwent sham adrenalectomy (sham-ADX) or bilateral ADX, and FosB/DeltaFosB (DeltaFosB, a truncated splice variant of FosB)-immunoreactivity (ir) was determined in the paraventricular nucleus (PVN)(More)
The Fos- and Jun family proteins are immediate-early gene products, and the Fos/Jun heterodimer, activator protein-1 (AP-1), may be involved in the regulation of corticotropin-releasing factor (CRF) gene expression. FosB is a member of the Fos family proteins that is expressed in the paraventricular nucleus of the hypothalamus upon stress exposure, but it(More)
A Remembrance When I close my eyes and think of Gopal Das I see him in the dimly lit Neuroanatomy teaching lab on the second floor of Lily Hall at Purdue, standing behind an overhead projector, his face eerily illuminated by the light from the vents around the projector, describing the connections of brainstem, enwrapping each concept of connectivity,(More)
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