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Electrophysiological evidence that nipecotic acid can be used in vivo as a false transmitter

AuthorsLerma Gómez, Juan; Herreras, Óscar ; Martín del Río, Rafael
In vitro
γ-aminobutyric acid (GABA)-nipecotic acid
Evoked potentials
Issue DateJun-1985
CitationBrain Research 335(2): 377-380 (1985)
AbstractDentate gyrus of the rat hippocampal formation was perfused with the potent inhibitor of GABA uptake, nipecotic acid, by means of an implanted dialytrode. Evoked population spikes in dentate gyrus were decreased in amplitude and often abolished during perfusion. However, multiple (2–4) population spikes developed shortly after nipecotic acid withdrawal. This excitability increase, which presented a pattern of repetitive discharge resembling that following blocking of GABAergic transmission was interpreted as electrophysiological evidence that nipecotic acid can act as a false transmitter ‘in vivo’, as previously postulated from uptake and release ‘in vitro’ studies.
Description4 páginas, 1 figura.
Publisher version (URL)http://dx.doi.org/10.1016/0006-8993(85)90498-6
Appears in Collections:(IC) Artículos
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