Výsledky vyhledávání

Hypotonic exposure enhances synaptic transmission and triggers spreading depression in rat hippocampal tissue slices

Autor: George G. Somjen, M. A. Hester, P. G. Aitken, S. R. Chebabo

Publikováno v: Brain Research. 695:203-216

Low extracellular osmotic pressure (pi o) is known to enhance CNS responsiveness and the chance of seizures, but the mechanism of the hyperexcitability is not clear. We recorded evoked potentials in st. radiatum and st. pyramidale of CA1. Tissue elec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e02f0ccc7f608b46c64bed55397456ad
https://doi.org/10.1016/0006-8993(95)00778-o

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The organophosphate sarin, at low concentrations, inhibits the evoked release of GABA in rat hippocampal slices

Autor: S R, Chebabo, M D, Santos, E X, Albuquerque

Publikováno v: Neurotoxicology. 20(6)

In the present study, the whole-cell mode of the patch-clamp technique was applied to neurons of the CA1 pyramidal layer of rat hippocampal slices to investigate the effects of the organophosphate (OP) sarin on field stimulation-evoked and on tetrodo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::46af6640bee9c35d37be5ce3138ad2c9
https://pubmed.ncbi.nlm.nih.gov/10693968

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An analysis of low level doses of cholinesterase inhibitors in cultured neurons and hippocampal slices of rats

Autor: S R Chebabo, Edson X. Albuquerque, Mariton D. Santos, E S Rocha, Yasco Aracava

Publikováno v: Drug and chemical toxicology. 21

Recent data indicate that the neurotoxic effects of organophosphate compounds, including those of the nerve agents VX and sarin, are not solely due to irreversible cholinesterase inhibition. In this study we applied the patch clamp technique to hippo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75e5e48ca7e7b12d386a36cc5679092e
https://pubmed.ncbi.nlm.nih.gov/10028411

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Interstitial space, electrical resistance and ion concentrations during hypotonia of rat hippocampal slices

Autor: P. G. Aitken, S. R. Chebabo, Jian Jing, George G. Somjen, M. A. Hester

1. The degree to which mammalian brain cells swell in hypotonic environments has not previously been determined. We exposed hippocampal tissue slices prepared from anaesthetized rats to artificial cerebrospinal fluid from which varying amounts of NaC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dda19eb77cdc76bbe6098d7dd73f6676
https://europepmc.org/articles/PMC1156655/

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Effects of local anaesthetics on retinal spreading depression

Autor: H. Martins-Ferreira, S. R. Chebabo, R. J. do Carmo

Publikováno v: Experimental Brain Research. 96

This study examines the effect of two local anaesthetics, benzocaine and lidocaine, on propagation, amplitude and duration of the slow potential change of spreading depression. The experiments were performed in isolated chick retina superfused with R

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d722901207b839f8c032611470b24071
https://doi.org/10.1007/bf00227115

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Visceral leishmaniasis in AIDS patient

Autor: Antonio Carlos Nicodemo, V. L. R. Matta, R Chebabo, Maria Irma Seixas Duarte, V. Amato Neto, E L Nicodemo, Carlos Eduardo Pereira Corbett

Publikováno v: Revista do Instituto de Medicina Tropical de São Paulo, Volume: 32, Issue: 4, Pages: 310-311, Published: AUG 1990
Revista do Instituto de Medicina Tropical de São Paulo, Vol 32, Iss 4, Pp 310-311 (1990)
Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 No. 4 (1990); 310-311
Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 Núm. 4 (1990); 310-311
Revista do Instituto de Medicina Tropical de São Paulo; v. 32 n. 4 (1990); 310-311
Revista do Instituto de Medicina Tropical de São Paulo
Instituto de Medicina Tropical (IMT)
instacron:IMT

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c55ac3bf42901b65d000b05defb9163
https://doi.org/10.1590/s0036-46651990000400013

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Interstitial pneumonitis in human visceral leishmaniasis

Autor: Carlos Eduardo Pereira Corbett, Hiro Goto, V. L. R. da Matta, Maria Irma Seixas Duarte, Márcia Dalastra Laurenti, R Chebabo

Publikováno v: Transactions of the Royal Society of Tropical Medicine and Hygiene. 83:73-76

The involvement of the lung in 13 cases of human visceral leishmaniasis was studied. Interstitial pneumonitis with mononuclear cells was found in 76.8% of the cases; 53.8% also had foci of septal fibrosis. Leishmania were seen within macrophages in 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd3cf0ca611e9321bf16b9cf3a8de3e0
https://doi.org/10.1016/0035-9203(89)90712-8

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The effect of diphenylhydantoin on spreading depression

Autor: S R, Chebabo, R J, Do-Carmo, H, Martins-Ferreira

Publikováno v: Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas. 21(3)

The present study examines the effect of diphenylhydantoin on the elicitation by K+ and propagation of spreading depression in chick retina preparations in vitro. A dose-related decrease in the velocity of propagation was observed, this effect being

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e3a472cafaf850d69195898e75db4966
https://pubmed.ncbi.nlm.nih.gov/3228644

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