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J D Sanders et al.
Neuroscience, 157(4), 821-832 (2008-10-22)
Activity regulated cytoskeletal protein (Arc), c-fos and zif268 are immediate early genes (IEGs) important for adult brain plasticity. We examined developmental expression of these IEGs and the effect of neonatal noradrenergic lesion on their expression in developing and mature brain.
A Bai et al.
Clinical and experimental immunology, 156(2), 353-362 (2009-03-03)
Inflammatory bowel disease (IBD) is characterized by heavy production of proinflammatory cytokines such as tumour necrosis factor (TNF)-alpha and interleukin (IL)-1beta. Interactions of the autonomic nervous system with local immune cells play an important role in the development of IBD
Mercè Masana et al.
The international journal of neuropsychopharmacology, 14(1), 53-68 (2010-08-13)
The superior efficacy of atypical vs. classical antipsychotic drugs to treat negative symptoms and cognitive deficits in schizophrenia appears related to their ability to enhance mesocortical dopamine (DA) function. Given that noradrenergic (NE) transmission contributes to cortical DA output, we
F H F Alves et al.
Neuroscience, 177, 74-83 (2011-01-12)
Dynamic exercise evokes sustained blood pressure and heart rate (HR) increases. Although it is well accepted that there is a CNS mediation of cardiovascular adjustments during dynamic exercise, information on the role of specific CNS structures is still limited. The
Ana C Takakura et al.
Neuroscience letters, 450(3), 225-228 (2008-12-02)
Anti-hypertensive drugs that act on central alpha(2)-adrenoceptors and imidazoline receptors usually cause dry mouth in patients. A central area important for the control of salivary secretion and also for the effects of alpha(2)-adrenoceptor activation is the lateral hypothalamus (LH). Therefore
S Gasparini et al.
Neuroscience, 164(2), 370-379 (2009-09-01)
The blockade of serotoninergic receptors with methysergide or the activation of alpha(2)-adrenoceptors with moxonidine into the lateral parabrachial nucleus (LPBN) increases water and 0.3 M NaCl intake in rats treated with furosemide (FURO) combined with captopril (CAP). In the present
Florence Serres et al.
Neuropharmacology, 63(6), 992-1001 (2012-07-26)
Studies of 5-HT-glutamate interactions suggest that activation of brain 5-HT(2A) receptors leads to an AMPA receptor-mediated induction of the immediate early (activity-dependent) gene, Arc (Arg3.1). In this respect, noradrenaline-glutamate interactions are poorly characterised. Here we investigated the influence on regional
Jan Anker Jahnsen et al.
European journal of pharmacology, 684(1-3), 51-58 (2012-04-17)
The N-terminal region of the human α(2C)-adrenoceptor has a 22 amino acid sequence MASPALAAALAVAAAAGPNASG. This stretch is predicted to be a cleavable signal peptide. Signal peptides facilitate the translocation of membrane proteins from ribosomes into the endoplasmatic reticulum (ER) for
J Galitzky et al.
British journal of pharmacology, 100(4), 862-866 (1990-08-01)
1. The binding of a new alpha 2-adrenoceptor antagonist, [3H]-RX821002 (2-(2-methoxy-1,4-benzodioxan-2-yl)-2-imidazoline), was investigated in human platelet membranes and compared with [3H]-yohimbine binding parameters. 2. Analysis of kinetic data revealed association and dissociation time courses consistent with a simple biomolecular reaction.
Fernando H F Alves et al.
Brain research, 1295, 119-126 (2009-08-19)
The insular cortex (IC) has been reported to modulate the cardiac parasympathetic activity of the baroreflex in unanesthetized rats. However, which neurotransmitters are involved in this modulation is still unclear. In the present study, we evaluated the possible involvement of
S J Rayment et al.
British journal of pharmacology, 160(7), 1727-1740 (2010-07-24)
We have investigated the distribution of alpha-adrenoceptors in sheep internal anal sphincter (IAS), as a model for the human tissue, and evaluated various imidazoline derivatives for potential treatment of faecal incontinence. Saturation and competition binding with (3)H-prazosin and (3)H-RX821002 were
Sara C Hott et al.
British journal of pharmacology, 167(1), 207-221 (2012-04-18)
The bed nucleus of the stria terminalis (BNST) is a limbic structure that is involved in the expression of conditioned contextual fear. Among the numerous neural inputs to the BNST, noradrenergic synaptic terminals are prominent and some evidence suggests an
Eduardo Albino Trindade Fortaleza et al.
Pharmacological research, 66(2), 154-162 (2012-04-28)
Medial amygdaloid nucleus (MeA) neurotransmission has an inhibitory influence on cardiovascular responses in rats submitted to restraint, which are characterized by both elevated blood pressure (BP) and intense heart rate (HR) increase. In the present study, we investigated the involvement
Charlotte A Cornil et al.
The Journal of comparative neurology, 511(5), 610-627 (2008-10-17)
Dopaminergic and adrenergic receptors are G-protein-coupled receptors considered to be different based on their pharmacology and signaling pathways. Some receptor subtypes that are members of one family are actually closer in phylogenetic terms to some subtypes belonging to the other
Amy S Fisher et al.
The European journal of neuroscience, 25(4), 1195-1204 (2007-03-03)
The behaviour of neurokinin-1-receptor gene knockout (NK1R-/-) mice, which lack functional, substance P-preferring receptors, resembles that of NK1R+/+ mice treated with an antidepressant. Because all antidepressants increase central monoamine transmission, we have investigated whether noradrenergic transmission is increased in NK1R-/-
Charlotte A Cornil et al.
Journal of chemical neuroanatomy, 35(2), 202-215 (2007-12-25)
A commonly held view is that dopamine exerts its effects via binding to D1- and D2-dopaminergic receptors. However, recent data have emerged supporting the existence of a direct interaction of dopamine with adrenergic but this interaction has been poorly investigated.
M M Rank et al.
Journal of neurophysiology, 105(1), 410-422 (2010-11-05)
The brain stem provides most of the noradrenaline (NA) present in the spinal cord, which functions to both increase spinal motoneuron excitability and inhibit sensory afferent transmission to motoneurons (excitatory postsynaptic potentials; EPSPs). NA increases motoneuron excitability by facilitating calcium-mediated
C A F Andrade et al.
Neuroscience, 208, 69-78 (2012-03-01)
The deactivation of the inhibitory mechanisms with injections of moxonidine (α2-adrenoceptor/imidazoline receptor agonist) into the lateral parabrachial nucleus (LPBN) increases hypertonic NaCl intake by intra- or extracellular dehydrated rats. In the present study, we investigated the changes in the urinary
Yia-Ping Liu et al.
Journal of biomedical science, 16, 72-72 (2009-08-15)
The study examined the effects of a norepinephrine transporter (NET) inhibitor reboxetine (RBX) on an attentional performance test. Adult SD rats trained with five-choice serial reaction time task (5-CSRTT) were administered with RBX (0, 3.0 and 10 mg/kg) in the
R L Almeida et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 301(1), R185-R192 (2011-04-09)
Lipopolysaccharide (LPS), an endotoxin from the wall of Escherichia coli, produces a general behavioral inhibition and affects several aspects of fluid-electrolyte balance. LPS inhibits thirst; however, it is not clear if it also inhibits sodium appetite. The present results show
Cristina Alba-Delgado et al.
Psychopharmacology, 221(1), 53-65 (2011-11-01)
Peripheral neuropathic pain is a chronic condition that may produce plastic changes in several brain regions. The noradrenergic locus coeruleus (LC) is a crucial component of ascending and descending pain pathways, both of which are frequently compromised after nerve injury.
Tadashi Saigusa et al.
European journal of pharmacology, 688(1-3), 35-41 (2012-05-24)
In vivo microdialysis was used to analyse the role of the α(1)- and α(2)-adrenoceptor subtypes in the regulation of noradrenaline and dopamine efflux in the nucleus accumbens of freely moving rats. Intra-accumbal infusion of α(1)-adrenoceptor agonist methoxamine (24pmol) failed to
Thiago Roberto Lima Romero et al.
European journal of pharmacology, 608(1-3), 23-27 (2009-02-25)
Xylazine is an alpha(2)-adrenoceptor agonist extensively used in veterinary and animal experimentation. Evidence exists that alpha(2)-adrenoceptor agonists can activate opioid receptors via endogenous opioid release. Considering this idea and the multiple alpha(2) subtypes currently known (alpha(2A), alpha(2B), alpha(2C) and alpha(2D))
Axel Rominger et al.
Synapse (New York, N.Y.), 64(8), 654-657 (2010-03-26)
To test for alpha(2) adrenergic modulation of dopamine D(2/3) receptor availability in striatum of living mice using the high-affinity ligand [(18)F]fallypride and microPET. Groups of anesthetized mice were pretreated with saline, the alpha(2)-agonist clonidine (1 mg/kg), and the alpha(2)-antagonists RX821002
América A Scopinho et al.
Experimental physiology, 97(9), 1018-1029 (2011-12-20)
The lateral septal area (LSA) is a limbic structure involved in autonomic, neuroendocrine and behavioural responses. An inhibitory influence of the LSA on baroreflex activity has been reported; however, the local neurotransmitter involved in this modulation is still unclear. In
C C Crestani et al.
Stress (Amsterdam, Netherlands), 12(3), 268-278 (2008-10-14)
The aim of this work was to test the hypothesis that the bed nucleus of the stria terminalis (BST) and noradrenergic neurotransmission therein mediate cardiovascular responses to acute restraint stress in rats. Bilateral microinjection of the non-specific synaptic blocker CoCl(2)
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