CCL

Összesen 10 találat.
#/oldal:
Részletezés:
Rendezés:

1.

001-es BibID:BIBFORM029512
Első szerző:Bácskai Tímea (biológus, neurobiológus)
Cím:Primary afferent fibers establish dye-coupled connections in the frog central nervous system / Bácskai T., Matesz C.
Dátum:2002
ISSN:0361-9230
Megjegyzések:Neurobiotin and Lucifer yellow, indicators of gap junctional coupling, were applied to primary afferent fibers of the frog. Following application of tracers to cervical or lumbar dorsal root fibers, a large number of labeled granule cells were detected in the corpus cerebelli, the brainstem, and the spinal cord. The vestibular nerve was found to be in dye-coupled connection with the granule cells of the auricular lobe of the cerebellum. After application of the tracers to the trigeminal nerve, elicited dye-coupled neurons located mainly in the termination area of the descending limb of the mesencephalic trigeminal nucleus. In control experiments with biotinylated dextrane amine, only primary afferent fibers were labeled. Our results suggest that gap junctional coupling exists between primary afferent fibers and their postsynaptic targets in the frog.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 57 : 3-4 (2002), p. 317-319. -
További szerzők:Matesz Klára (1949-) (anatómus, neurobiológus)
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
Borító:

2.

001-es BibID:BIBFORM004389
Első szerző:Bácskai Tímea (biológus, neurobiológus)
Cím:Dendrodendritic and dendrosomatic contacts between oculomotor and trochlear motoneurons of the frog, Rana esculenta / Tímea Bácskai, Gábor Veress, Gábor Halasi, Ádám Deák, Éva Rácz, György Székely, Clara Matesz
Dátum:2008
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 75 : 2-4 (2008), p. 419-423. -
További szerzők:Veress Gábor (1971-) (neurobiológus) Halasi Gábor (1976-) (neurobiológus) Deák Ádám (1974-) (állatorvos) Rácz Éva (1982-) (biológus) Székely György (1926-2017) (neurobiológus) Matesz Klára (1949-) (anatómus, neurobiológus)
Internet cím:elektronikus változat
DOI
Borító:

3.

001-es BibID:BIBFORM029719
Első szerző:Baker, R. E.
Cím:Peripheral reinnervation patterns and dorsal root ganglion cell topograpy in skin-grafted Rana pipiens frogs / Baker R. E., Matesz K., Urban L.
Dátum:1981
ISSN:0361-9230
Megjegyzések:Behavioral responses to mechanical stimulation of the skin were observed in unoperated, 180 degrees skin-rotated and sham-grafted Rana pipiens frogs before and after crushing various cutaneous nerve bundles. In the two control groups, wiping responses directed towards the animal's dorsum were mediated solely via dorsomedial (DM) and dorsolateral (DL) nerve trunks. In skin-rotated frogs, DM and DL nerve trunks were responsible for almost all of the misdirected responses elicited from dorsal cutaneous areas. Six frogs (2 sham- and 4 skin-rotated) possessed some areas of plical skin from which responses could only have been mediated via more ventrally located nerve trunks. However, such dorsal expansions of ventral receptive fields never included the midline skin areas from which misdirected responses had been elicited in the intact animal. The topographic arrangement of cells within the DRG appears to be weakly polarized in cobalt-stained sections, but with large individual variations in size and observed number of neuronal profiles. For the skin-rotated group the ratio of cobalt-filled profiles in the dorsal as compared with the ventral half of the ganglion was 1.6, which did not differ significantly from the control value of 1.9. Taken as a whole, the results of the present study indicate that selective (re)innervation of displaced skin by the original nerve fibers cannot explain the origin of misdirected responses in Rana pipiens.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 7 : 6 (1981), p. 635-638. -
További szerzők:Matesz Klára (1949-) (anatómus, neurobiológus) Urbán László (London, UK)
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
Borító:

4.

001-es BibID:BIBFORM029353
Első szerző:Halasi Gábor (neurobiológus)
Cím:Connections of the superior vestibular nucleus with the oculomotor and red nuclei in the rat : an electron microscopic study / Halasi Gábor, Bácskai Timea, Matesz Klára
Dátum:2005
ISSN:0361-9230
Megjegyzések:Phaseolus vulgaris leucoagglutinin (PHA-L) was injected into the individual vestibular nuclei of the rat to study their efferent connections. One of the major differences between the connections of these nuclei was found at the level of the mesencephalon: the eye-moving cranial nerve nuclei received the densest projection from the superior vestibular nucleus (SVN). In the present electron microscopic study, we have found that terminals of SVN origin established symmetric synaptic contacts in the oculomotor nucleus. More than two-thirds of PHA-L-labeled boutons terminated on dendrites, the rest of them established axosomatic contacts. Most of the labeled terminals were GABA-positive, supporting the results of previous physiological experiments, which showed inhibitory effects. In the mesencephalon, the other termination area was found in the red nucleus. The PHA-L-labeled boutons of SVN origin were in close contact with the perikarya and proximal dendrites of the magnocellular part of the red nucleus. The types of synaptic contacts and distribution of terminals of SVN origin were similar to those found in the oculomotor nucleus. Our results indicate that the SVN can modify the activity of the cerebellorubral and corticorubral pathways, exerting inhibitory action on the neurons of the red nucleus.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 66 : 4-6 (2005), p. 532-535. -
További szerzők:Bácskai Tímea (1974-) (biológus, neurobiológus) Matesz Klára (1949-) (anatómus, neurobiológus)
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
Borító:

5.

001-es BibID:BIBFORM048875
035-os BibID:PMID:24076270
Első szerző:Kecskés Szilvia (anatómus, neurobiológus)
Cím:Termination of trigeminal primary afferents on glossopharyngeal-vagal motoneurons : possible neural networks underlying the swallowing phase and visceromotor responses of prey-catching behavior / Szilvia Kecskes, Clara Matesz, András Birinyi
Dátum:2013
ISSN:0361-9230
Megjegyzések:Prey-catching behavior (PCB) of the frog consists of a sequence of coordinated activity of muscles which is modified by various sensory signals. The aim of the present study was, for the first time, to examine the involvement of the trigeminal afferents in the swallowing phase of PCB. Experiments were performed on Rana esculenta, where the trigeminal and glossopharyngeal (IX)-vagus (X) nerves were labeled simultaneously with different fluorescent dyes. Using confocal laser scanning microscope, close appositions were detected between the trigeminal afferent fibers and somatodendritic components of the IX-X motoneurons of the ambiguus nucleus (NA). Neurolucida reconstruction revealed spatial distribution of the trigeminal afferents in the functionally different parts of the NA. Thus, the visceromotor neurons supplying the stomach, the heart and the lung received about two third of the trigeminal contacts followed by the pharyngomotor and then by the laryngomotor neurons. On the other hand, individual motoneurons responsible for innervation of the viscera received less trigeminal terminals than the neurons supplying the muscles of the pharynx. The results suggest that the direct contacts between the trigeminal afferents and IX-X motoneurons presented here may be one of the morphological substrate of a very quick response during the swallowing phase of PCB. Combination of direct and indirect trigeminal inputs may contribute to optimize the ongoing motor execution.
Tárgyszavak:Orvostudományok Egészségtudományok idegen nyelvű folyóiratközlemény külföldi lapban
Nucleus ambiguus
Brainstem
Neuronal labeling
Neurolucida reconstruction
Megjelenés:Brain Research Bulletin. - 99C (2013), p. 109-116. -
További szerzők:Matesz Klára (1949-) (anatómus, neurobiológus) Birinyi András (1960-) (anatómus, neurobiológus)
Pályázati támogatás:K-67641
OTKA
MTA-TKI-11008
Egyéb
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
Borító:

6.

001-es BibID:BIBFORM062500
Első szerző:Kovalecz Gabriella (fogszakorvos)
Cím:Possible neural network mediating jaw opening during prey-catching behavior of the frog / Gabriella Kovalecz, Szilvia Kecskes, András Birinyi, Clara Matesz
Dátum:2015
ISSN:0361-9230
Megjegyzések:The prey-catching behavior of the frog is a complex, well-timed sequence of stimulus response chain ofmovements. After visual analysis of the prey, a size dependent program is selected in the motor patterngenerator of the brainstem. Besides this predetermined feeding program, various direct and indirectsensory inputs provide flexible adjustment for the optimal contraction of the executive muscles. The aimof the present study was to investigate whether trigeminal primary afferents establish direct contactswith the jaw opening motoneurons innervated by the facial nerve.The experiments were carried out on Rana esculenta (Pelophylax esculentus), where the trigeminal andfacial nerves were labeled simultaneously with different fluorescent dyes. Using a confocal laser scanningmicroscope, close appositions were detected between trigeminal afferent fibers and somatodendriticcomponents of the facial motoneurons.Quantitative analysis revealed that the majority of close contacts were encountered on the dendritesof facial motoneurons and approximately 10% of them were located on the perikarya. We suggest thatthe identified contacts between the trigeminal afferents and facial motoneurons presented here may beone of the morphological substrate in the feedback and feedforward modulation of the rapidly changingactivity of the jaw opening muscle during the prey-catching behavior.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Brainstem
Nucleus nervi facialis
Neuronal labeling
Neurolucida reconstruction
Megjelenés:Brain Research Bulletin. - 119 (2015), p. 19-24. -
További szerzők:Kecskés Szilvia (1984-) (anatómus, neurobiológus) Birinyi András (1960-) (anatómus, neurobiológus) Matesz Klára (1949-) (anatómus, neurobiológus)
Internet cím:Szerző által megadott URL
DOI
Intézményi repozitóriumban (DEA) tárolt változat
Borító:

7.

001-es BibID:BIBFORM029514
Első szerző:Matesz Klára (anatómus, neurobiológus)
Cím:Efferent connections of the vestibular nuclei in the rat : a comparative neuromorphological study / Matesz K., Bácskai T., Nagy É., Halasi G., Kulik Á.
Dátum:2002
ISSN:0361-9230
Megjegyzések:The efferent connections of the superior, medial, lateral, and descending vestibular nuclei were studied with anterograde tracing methods in rats. The following areas of termination could be discerned: (1) In the diencephalon, labeled terminals were detected in the thalamus. (2) In the mesencephalon, the red nucleus and motor nuclei involved in eye movements were richly supplied by the vestibular nuclei. (3) In the rhombencephalon, extensive intrinsic connections of all vestibular nuclei were demonstrated. Strong commissural connections were found among the medial, superior, and descending vestibular nuclei. The inferior olive received labeled fibers exclusively from the lateral vestibular nuclei. Individual differences were demonstrated in the termination areas in the reticular formation. (4) In the spinal cord, most of the descending vestibular fibers were found in the ipsilateral anterior funiculus.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 57 : 3-4 (2002), p. 313-315. -
További szerzők:Bácskai Tímea (1974-) (biológus, neurobiológus) Nagy É. Halasi Gábor (1976-) (neurobiológus) Kulik Ákos
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
DOI
Borító:

8.

001-es BibID:BIBFORM015603
035-os BibID:16144643
Első szerző:Matesz Klára (anatómus, neurobiológus)
Cím:Extracellular matrix molecules and their possible roles in the regeneration offrog nervous system / Clara Matesz, Laszlo Modis, Gabor Halasi, Zsuzsa M. Szigeti, Szabolcs Felszeghy, Timea Bacskai, Gyorgy Szekely
Dátum:2005
ISSN:0361-9230 (Linking)
Megjegyzések:Recent biochemical and histochemical analyses explored different components ofthe extracellular matrix (ECM) in the nervous system, and either permissive ornon-permissive roles in neuronal development and regeneration were suggested. Theaim of this study was to detect the distribution pattern of a few of thesemolecules in the nervous system of intact frogs and during nerve regeneration.The hyaluronan (HA) and tenascin C reactions were negative in the peripheralnerves, but appeared in their entry zones. In the CNS, different populations ofneurons were surrounded with HA and tenascin C-positive material, forming aperineuronal net (PN). The phosphacan reaction was weakly positive in the PNS,and a moderate intensity was detected in the entry zone and in the PN. Lamininand fibronectin immunoreactivity was strong in the PNS, but laminin could not bedetected in the CNS. In animals with cut and regenerating vestibulocochlearnerve, the distribution of the ECM molecules in the CNS and PNScharacteristically changed from that of the normal pattern. Our results showed anon-homogenous distribution of ECM components in the frog nervous system thatcould be associated with their different roles in physiological and pathologicalprocesses.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
0 (Fibronectins)
0 (Laminin)
0 (Tenascin)
9004-61-9 (Hyaluronic Acid)
Animals
Axotomy/methods
Extracellular Matrix/*physiology
Fibronectins/metabolism
Hyaluronic Acid/metabolism
Immunohistochemistry/methods
Laminin/metabolism
Nerve Regeneration/*physiology
Nervous System/cytology/*metabolism
Neurons/metabolism
Rana esculenta
Tenascin/metabolism
Time Factors
egyetemen (Magyarországon) készült közlemény
Vestibulocochlear Nerve/injuries/physiology
Megjelenés:Brain research bulletin. - 66 : 4-6 (2005), p. 526-531. -
További szerzők:Módis László (1939-) (anatómus, kötőszövetbiológus) Halasi Gábor (1976-) (neurobiológus) Máthéné Szigeti Zsuzsa (1976-) (biológus-ökológus) Felszeghy Szabolcs Béla (1972-) (fogorvos, anatómus, kötőszövetbiológus) Bácskai Tímea (1974-) (biológus, neurobiológus) Székely György (1926-2017) (neurobiológus)
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
elektronikus változat
DOI
Borító:

9.

001-es BibID:BIBFORM004388
Első szerző:Matesz Klára (anatómus, neurobiológus)
Cím:Vestibulotrigeminal pathways in the frog, Rana esculenta / Clara Matesz, Gabriella Kovalecz, Gábor Veress, Ádám Deák, Éva Rácz, Tímea Bácskai
Dátum:2008
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Brain Research Bulletin. - 75 : 2-4 (2008), p. 371-374. -
További szerzők:Kovalecz Gabriella (1973-) (fogszakorvos) Veress Gábor (1971-) (neurobiológus) Deák Ádám (1974-) (állatorvos) Rácz Éva (1982-) (biológus) Bácskai Tímea (1974-) (biológus, neurobiológus)
Internet cím:elektronikus változat
DOI
Borító:

10.

001-es BibID:BIBFORM004166
Első szerző:Mészár Zoltán Mihály (agrármérnök)
Cím:Hyaluronan accumulates around differentiating neurons in spinal cord of chicken embryos / Zoltán Mészár, Szabolcs Felszeghy, Gábor Veress, Klára Matesz, György Székely, László Módis
Dátum:2008
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
egyetemen (Magyarországon) készült közlemény
Megjelenés:Brain Research Bulletin 75 : 2-4 (2008), p. 414-418. -
További szerzők:Felszeghy Szabolcs Béla (1972-) (fogorvos, anatómus, kötőszövetbiológus) Veress Gábor (1971-) (neurobiológus) Matesz Klára (1949-) (anatómus, neurobiológus) Székely György (1926-2017) (neurobiológus) Módis László (1939-) (anatómus, kötőszövetbiológus)
Internet cím:elektronikus változat
DOI
Borító:
Rekordok letöltése1