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  • Articles: DFG German National Licenses  (2)
  • 1985-1989  (2)
  • 1960-1964
  • Supraoptic nucleus  (1)
  • chick neural retinal cells  (1)
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  • Articles: DFG German National Licenses  (2)
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Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Synergistic activation of rat supraoptic neurosecretory neurons by noxious and hypovolemic stimuli (1986)
    Springer
    Experimental brain research 62 (1986), S. 572-578 
    Details
    ISSN: 1432-1106
    Keywords: Vasopressin cell ; Noxious input ; Hypovolemia ; Supraoptic nucleus ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effects of saphenous nerve stimulation on discharge activity of supraoptic neurosecretory (NS) cells were studied in anesthetized rats. Of 112 supraoptic neurosecretory cells, 62 exhibited a ‘phasic’ discharge pattern. The nerve stimulation transiently excited 46 of these 62 ‘phasic’ units, as well as 35 of the 50 remaining ‘non-phasic’ units. No appreciable blood pressure change was noted using PSTHs with 1-ms resolution. Though the nerve stimulation also evoked a flexor reflex of the ipsilateral hind limb, blockage of the hind limb movement with gallamine did not alter the amplitude of the supraoptic cell excitation. The threshold of the nerve stimulation was higher for the excitation than for the flexor reflex. Effects of hypovolemic and hyperosmotic stimuli on discharge activity of ‘phasic’ cells during saphenous nerve stimulation were studied to find a possible interaction between these stimuli. Hemorrhage potentiated the transient excitation evoked by the nerve stimulation in all of the 8 ‘phasic’ cells tested, while no such effect was seen after an injection of hypertonic sodium chloride solution in the 7 ‘phasic’ cells tested. These electrophysiological data suggest that hypovolemic and noxious stimuli potentiate VP secretion in a synergistic manner but that hyperosmotic and noxious stimuli do not.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00236036
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Lipid peroxidation caused by chinoform-ferric chelate in cultured neural retinal cells (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1561-1563 
    Details
    ISSN: 1420-9071
    Keywords: Lipid peroxidation ; chinoform-ferric chelate ; chick neural retinal cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Incorporation of chinoform-ferric chelate was demonstrable in cultured neural retinal cells of chick embryos after 1 h of incubation, and the lipid peroxide level in the cells was increased strikingly 1 h thereafter. On the other hand, free ferric ions were scarcely incorporated into the cells, and a significant increase in the lipid peroxide level in the cells was not observed. These data indicate that chinoform is carrier of iron for its passage through cell membranes and that the incorporated iron induces lipid peroxidation which in turn leads to neural cell degeneration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01964807
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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