Zobrazeno 1 - 10 of 57 pro vyhledávání: '"P. G. Guertzenstein"'
1
Cardiovascular responses to microinjections of GABA or anesthetics into the rostral ventrolateral medulla of conscious and anesthetized rats
Autor: Oswaldo Ubriaco Lopes, S Andreatta-Van Leyen, P G Guertzenstein, Gessi C. Araujo, J E C Lacerda, Ruy R. Campos
Publikováno v: Brazilian Journal of Medical and Biological Research v.36 n.9 2003
Brazilian Journal of Medical and Biological Research
Associação Brasileira de Divulgação Científica (ABDC)
instacron:ABDC
Brazilian Journal of Medical and Biological Research, Volume: 36, Issue: 9, Pages: 1269-1277, Published: SEP 2003
ResearcherID
Brazilian Journal of Medical and Biological Research, Vol 36, Iss 9, Pp 1269-1277 (2003)
The rostral ventrolateral medulla (RVLM) contains neurons involved in tonic and reflex control of arterial pressure. We describe the effects of gamma-aminobutyric acid (GABA) and anesthetics injected into the RVLM of conscious and urethane (1.2 g/kg,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bb453bbd94b84f7432cebf8a3377262
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000900019
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2
Evidence for neuronal release of isotopically labelled glycine from the rat ventral medullary surface in vivo
Autor: C V, de-Oliveira, J A, Assumpção, Y Q, Confessor, P G, Guertzenstein, S L, Cravo
Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 29(4)
Spontaneous and stimulus-induced release of isotopically labelled glycine was studied in the superfused rat dorsal or ventral medullary surface in vivo. Superfusion of the ventral medullary surface of anesthetized (urethane, 1.2 g/kg, ip) male adult
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5ddea59641949ba99187b6eaef37f60a
https://pubmed.ncbi.nlm.nih.gov/8736120
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3
Putative pathways involved in cardiovascular responses evoked from the caudal pressor area
Autor: R R, Campos Júnior, O S, Possas, S L, Cravo, O U, Lopes, P G, Guertzenstein
Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 27(10)
1. The caudal pressor area (CPA) is a recently identified site within the ventrolateral medulla which is involved in cardiovascular regulation. CPA chemical stimulation by L-glutamate produces an increase in arterial blood pressure (ABP) while its in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f17c815298b42bf0b0cd4941bdd98a9f
https://pubmed.ncbi.nlm.nih.gov/7640640
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4
Cardiorespiratory alterations produced by pharmacological agents applied to the ventrolateral medulla (intermediate area) of the cat. Effect of exercise condition on glycine-induced inhibition
Autor: F P, Tolentino-Silva, R R, Campos Júnior, A K, Russo, A C, Silva, E, Freire, P G, Guertzenstein
Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 26(8)
1. To study the action of the intermediate area (IA), coextensive with the rostral ventrolateral medulla, on the neurophysiological mechanisms involved in the regulation of respiration, in terms of inspiratory drive and respiratory timing, cats were
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::fe4569e215160e321fa1aaea50e4d64e
https://pubmed.ncbi.nlm.nih.gov/7905329
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5
Role of the rostral ventrolateral medulla in the pressor response to stimulation of the nucleus raphe obscurus
Autor: R R, Campos Júnior, H A, Futuro-Neto, P G, Guertzenstein
Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 26(6)
1. Electrical stimulation of the nucleus raphe obscurus (NRO) in urethane-anesthetized rats increases arterial blood pressure (BP) between 20 and 95 mmHg (mean, 61.14 +/- 6.57; N = 30). 2. Unilateral electrolytic destruction of the rostral ventrolate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::6aaca352ad7131351c2f88bf2f836a65
https://pubmed.ncbi.nlm.nih.gov/8257948
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6
Vasodepressor effects obtained by drugs acting on the ventral surface of the brain stem
Autor: W Feldberg, P G Guertzenstein
Publikováno v: The Journal of Physiology. 258:337-355
1. In cats anaesthetized with I.P. pentobarbitone sodium and atropinized with intravenous atropine methyl nitrate, the effects on arterial blood pressure were examined of nicotine, physostigmine, carbachol, glycine and pentobarbitone sodium applied t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88a8f7fe650c2ddadd939dba61d7657e
https://doi.org/10.1113/jphysiol.1976.sp011423
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7
Fall in blood pressure produced from discrete regions of the ventral surface of the medulla by glycine and lesions
Autor: Ann Silver, P. G. Guertzenstein
Publikováno v: The Journal of Physiology. 242:489-503
1. In cats anaesthetized with pentobarbitone sodium, atropinized by i.v. atropine methyl nitrate and artificially ventilated, experiments were carried out (a) to localize the site where glycine acts on the ventral surface of the medulla when, on topi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a46f9e1d52ae77cceca229d1885beaa
https://doi.org/10.1113/jphysiol.1974.sp010719
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8
Blood pressure effects of leptazol applied to the ventral surface of the brain stem of cats
Autor: P G Guertzenstein, W Feldberg
In anaesthetized cats leptazol (200 mg/ml) and sodium pentobarbitone (30 mg/ml) were applied topically to an area of the exposed ventral surface of the medulla oblongata, which lies between the rootlets of the twelfth cranial and first cervical nerve
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccdd64edcfdcc84b40ab0d45af826ee8
https://europepmc.org/articles/PMC1192773/
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10
Signs of synchronized sleep elicited by local application of leptazol to a circumscribed area of the ventral surface of medulla oblongata in the cat
Autor: P G, Guertzenstein, C, Timo-Iaria, O U, Lopes
Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 18(1)
Topical application of some drugs to the ventral surface of medulla oblongata has been found to cause changes in blood pressure and respiration and release of vasopressin. In the present investigation, electrophysiological changes induced in the elec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::a35586d049a2f74aea9ec8a1c2267b72
https://pubmed.ncbi.nlm.nih.gov/4063552
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