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Titolo:
ELECTRICALLY-INDUCED FOS-LIKE IMMUNOREACTIVITY IN THE AUDITORY PATHWAY OF THE RAT - EFFECTS OF SURVIVAL-TIME, DURATION, AND INTENSITY OF STIMULATION
Autore:
ZHANG JS; HAENGGELI CA; TEMPINI A; VISCHER MW; MORET V; ROUILLER EM;
Indirizzi:
UNIV FRIBOURG,INST PHYSIOL,RUE MUSEE 5 CH-1700 FRIBOURG SWITZERLAND UNIV FRIBOURG,INST PHYSIOL CH-1700 FRIBOURG SWITZERLAND UNIV HOSP BERN,INSELSPITAL,EAR NOSE & THROAT CLIN CH-3010 BERN SWITZERLAND
Titolo Testata:
Brain research bulletin
fascicolo: 2, volume: 39, anno: 1996,
pagine: 75 - 82
SICI:
0361-9230(1996)39:2<75:EFIITA>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
C-FOS; SPINAL NEURONS; CUTANEOUS STIMULATION; COCHLEAR NUCLEUS; EXPRESSION; INDUCTION; PROTEIN; SYSTEM; TONES; JUN;
Keywords:
COCHLEAR IMPLANT; C-FOS; ELECTRIC STIMULATION; COCHLEAR NUCLEUS; MEDIAL GENICULATE BODY; INFERIOR COLLICULUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
24
Recensione:
Indirizzi per estratti:
Citazione:
J.S. Zhang et al., "ELECTRICALLY-INDUCED FOS-LIKE IMMUNOREACTIVITY IN THE AUDITORY PATHWAY OF THE RAT - EFFECTS OF SURVIVAL-TIME, DURATION, AND INTENSITY OF STIMULATION", Brain research bulletin, 39(2), 1996, pp. 75-82

Abstract

The goal of the present study was to establish how Fos-like immunoreactivity (FLI) elicited in the rat auditory pathway by unilateral electric stimulation of the cochlea is affected by the following experimental parameters: duration and intensity of stimulation, duration of survival time after offset of stimulation. The dense FLI found in the ipsilateral dorsal cochlear nucleus, as well as the moderate FLI found in the contralateral dorsal cochlear nucleus and in the posteroventral cochlear nucleus on both sides, were consistent after survival times ranging from 0 to 2-3 h, but they significantly decreased after longer survival times (5 and 6 h). In the same nuclei, FLI was increased even by short durations of stimulation (5 and 10 min) as compared to controlrats, although FLI progressively increased for longer stimulation (20and 45 min). In the auditory thalamus, FLI was found mainly in the peripeduncular nucleus, the dorsal and medial divisions of the medial geniculate body, whereas its ventral division was virtually devoid of immunoreactive neurons. This pattern of FLI distribution in the auditorythalamus persisted even after relatively long survival times (5 and 6h). In both the cochlear nucleus and auditory thalamus, the density of FLI slightly increased in parallel with the intensity of stimulation. In other auditory nuclei, such as the inferior colliculus and the nucleus of the lateral lemniscus, there was no simple relation between the density of FLI and the three tested experimental parameters. Thus, the distribution and density of FLI did not vary in parallel in the various nuclei of the auditory pathway as a function of the tested experimental parameters; different patterns of FLI changes were instead observed in different auditory nuclei.

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Documento generato il 04/12/20 alle ore 14:54:59