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  • 5-Hydroxytryptamine  (1)
  • Airway  (1)
  • Ca2+ mobilisation  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The tracheal nonadrenergic noncholinergic inhibitory system during antigen challenge
    Amsterdam : Elsevier
    Respiration Physiology 74 (1988), S. 129-138 
    Details
    ISSN: 0034-5687
    Keywords: Airway ; Anaphylaxis ; Guinea pig ; Oxyhemoglobin ; Reactivity ; Trachea
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(88)90099-0
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Sr2+ can become incorporated into an agonist-sensitive, cytoplasmic Ca2+ store in a cell line derived from the equine sweat gland epithelium (1995)
    Springer
    Cellular and molecular life sciences 51 (1995), S. 804-808 
    Details
    ISSN: 1420-9071
    Keywords: Ca2+ mobilisation ; purinergic receptors ; nucleotide receptors ; sweat gland ; epithelial cells ; ionomycin ; Fura-2 ; horse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract We have explored the properties of a Ca2+-dependent cell-signalling pathway that becomes active when cultured equine sweat gland cells are stimulated with ATP. The ATP-regulated, Ca2+-influx pathway allowed Sr2+ to enter the cytoplasm but permitted only a minimal influx of Ba2+. Experiments in which cells were repeatedly stimulated with ATP suggested that Sr2+, but not Ba2+, could become incorporated into the agonist-sensitive, cytoplasmic Ca2+ store. Further evidence for this was provided by experiments using ionomycin, a Ca2+ ionophore which has no affinity for Sr2+.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01922434
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of intracerebroventricular injection of clonidine on metabolic, respiratory, vasomotor and temperature responses in the rabbit (1981)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 315 (1981), S. 195-201 
    Details
    ISSN: 1432-1912
    Keywords: Clonidine ; 5-Hydroxytryptamine ; Hypothermia ; Metabolic rate ; Cutaneous vasodilatation ; Respiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. The thermoregulatory outputs (including metabolic, respiratory and vasomotor activities) produced by an injection of clonidine or 5-hydroxytryptamine (5-HT) into the third cerebral ventricle of conscious rabbits were assessed at three different ambient temperatures (T a) of 2, 22 and 32°C. 2. When injected into the third cerebral ventricle, both clonidine and 5-HT produced a dose-dependent hypothermia in rabbits at both 2 and 22°C T a. The hypothermia was due to a decrease in metabolic heat production (M) at 2°C T a, while at 22°C T a the hypothermia was due to cutaneous vasodilatation. There were no changes in respiratory evaporative heat loss. 3. Furthermore, the clonidine-induced hypothermia was greatly reduced by pretreatment of the animals with either 5,6-dihydroxytryptamine (impairment of central 5-HT pathways) or yohimbine (alpha-adrenergic blocking agent), but not by 6-hydroxydopamine (impairment of central catecholamine pathways). 4. The results indicate that clonidine may act on the α-adrenergic receptors located on central 5-HT pathways to produce a hypothermic action by promoting a decrease in heat production or an increase in heat loss in the rabbit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00499835
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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