Search Results - "Machado, H B"
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Synaptic profile of nucleus tractus solitarius neurons involved with the peripheral chemoreflex pathways
Published in Neuroscience (01-12-2011)“…Abstract The glomus cells in the carotid bodies (CB) detect alterations in pH and pCO2 and low pO2 level in arterial blood. The carotid sinus nerve conveys the…”
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Neurotransmission of the Cardiovascular Reflexes in the Nucleus Tractus Solitarii of Awake Rats
Published in Annals of the New York Academy of Sciences (01-06-2001)“…: Chemoreflex activation with potassium cyanide (i.v.) produces pressor and bradycardic responses in awake rats. Microinjection of AP‐5, a selective NMDA…”
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Intermittent activation of peripheral chemoreceptors in awake rats induces Fos expression in rostral ventrolateral medulla–projecting neurons in the paraventricular nucleus of the hypothalamus
Published in Neuroscience (19-11-2008)“…Abstract Despite the well-established sympathoexcitation evoked by chemoreflex activation, the specific sub-regions of the CNS underlying such sympathetic…”
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Synthesis, extrusion and rheological behaviour of PU/HA composites for biomedical applications
Published in Journal of materials science. Materials in medicine (01-07-2010)“…Biostable polyurethane/hydroxyapatite (PU/HA) composites with potential application as bone replacement materials were synthesized in bulk and processed in a…”
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Facial rejuvenation surgery: a retrospective study of 8788 cases
Published in Aesthetic surgery journal (01-05-2012)“…Surgical rejuvenation of the aging face is common in aesthetic surgery, and many surgical techniques have been described for accomplishing it. The keys to…”
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Influence of fluoxetine and paroxetine in behavioral sensitization induced by ethanol in mice
Published in Pharmacology, biochemistry and behavior (01-10-2005)“…The serotonergic system is involved in depression, anxiety and alcoholism. The rewarding properties of ethanol, mainly its anxiolytic and stimulant effects, as…”
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Expression of the nifA gene of Herbaspirillum seropedicae: role of the NtrC and NifA binding sites and of the -24/-12 promoter element
Published in Microbiology (Society for General Microbiology) (01-06-2000)“…BBSRC, IPSR Nitrogen Fixation Laboratory, University of Norwich, Norwich, UK 1 Departamento de Bioquímica UFPR, C. Postal 19046, 81531-970, Curitiba, PR,…”
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NMDA receptors in NTS are involved in bradycardic but not in pressor response of chemoreflex
Published in The American journal of physiology (01-10-1995)“…Activation of carotid chemoreceptors with intravenous potassium cyanide (KCN) produces increases in arterial pressure, bradycardia, and tachypnea. In the…”
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Bradycardic and hypotensive responses to microinjection of l-glutamate into the lateral aspect of the commissural NTS are blocked by an NMDA receptor antagonist
Published in Brain research (03-01-2000)“…Baroreflex activation by phenylephrine infusion produces a bradycardic response while microinjection of l-glutamate into the most lateral aspect of the…”
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Mechanisms of pressor and bradycardic responses to L-glutamate microinjected into the NTS of conscious rats
Published in The American journal of physiology (01-03-1994)“…Microinjection of increasing doses of L-glutamate (L-Glu, 0.03-5.0 nmol/100 nl) into the nucleus tractus solitarii (NTS) produced a dose-related pressor and…”
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Multiple pontomedullary mechanisms of respiratory rhythmogenesis
Published in Respiratory physiology & neurobiology (31-08-2009)“…Abstract Mammalian central pattern generators producing rhythmic movements exhibit robust but flexible behavior. However, brainstem network architectures that…”
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Role of serotonin3 receptors in the nucleus tractus solitarii on the carotid chemoreflex
Published in The American journal of physiology (01-03-1997)“…The effects of serotonin3 (5-HT3)-receptor stimulation in the nucleus tractus solitarii (NTS) on the cardiovagal, sympathetic, and respiratory responses to…”
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Identification and characterization of the two-component NtrY/NtrX regulatory system in Azospirillum brasilense
Published in Brazilian journal of medical and biological research (01-06-2002)“…Two Azospirillum brasilense open reading frames (ORFs) exhibited homology with the two-component NtrY/NtrX regulatory system from Azorhizobium caulinodans…”
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Carotid-aortic and renal baroreceptors mediate the atrial natriuretic peptide release induced by blood volume expansion
Published in Proceedings of the National Academy of Sciences - PNAS (01-08-1992)“…Our previous studies have shown that stimulation of the anteroventral third ventricle (AV3V) region of the brain increases atrial natriuretic peptide (ANP)…”
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Cardiovascular effects of microinjection of low doses of serotonin into the NTS of unanesthetized rats
Published in The American journal of physiology (01-04-1997)“…In the present study, we analyzed in conscious rats the effects of microinjections of serotonin (5-HT; pmol range) into the nucleus of the solitary tract (NTS)…”
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Autonomic processing of the cardiovascular reflexes in the nucleus tractus solitarii
Published in Brazilian journal of medical and biological research (01-04-1997)“…The nucleus tractus solitarii (NTS) receives afferent projections from the arterial baroreceptors, carotid chemoreceptors and cardiopulmonary receptors and as…”
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Blockade of NK-1 receptors in the lateral commissural nucleus tractus solitarii of awake rats had no effect on the cardiovascular responses to chemoreflex activation
Published in Brazilian journal of medical and biological research (01-11-2000)“…The neurotransmission of the chemoreflex in the nucleus tractus solitarii (NTS), particularly of the sympatho-excitatory component, is not completely…”
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Microinjection of S-nitrosocysteine into the nucleus tractus solitarii of conscious rats decreases arterial pressure but L-glutamate does not
Published in European journal of pharmacology (06-10-1992)“…Unilateral microinjection of L-glutamate into the nucleus tractus solitarii of conscious rats increased arterial pressure and caused bradycardia while…”
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The ntrBC genes of Azospirillum brasilense are part of a nifR3-like-ntrB-ntrC operon and are negatively regulated
Published in Canadian journal of microbiology (01-08-1995)“…A cosmid able to complement the Nif- and nitrate-dependent growth phenotypes of the Azospirillum brasilense mutant FP9 was isolated from a genomic library of…”
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