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  • Title: Adenosine inhibition of histamine-stimulated inositol phospholipid hydrolysis in mouse cerebral cortex.
    Author: Kendall DA, Hill SJ.
    Journal: J Neurochem; 1988 Feb; 50(2):497-502. PubMed ID: 3335859.
    Abstract:
    The effects of adenosine on inositol phospholipid hydrolysis in mouse cerebrocortical slices were examined. Despite having no effect alone, adenosine and some structural analogues inhibited histamine-stimulated accumulation of inositol phosphates in a concentration-dependent manner. The responses to carbachol, noradrenaline, 5-hydroxytryptamine, and elevated KCl levels were unaffected. The effect of adenosine was on the maximal response to histamine rather than on its EC50. Several adenosine antagonists competitively blocked the inhibition due to adenosine. The results are discussed in relation to the previously reported enhancement of histamine-stimulated hydrolysis of inositol phospholipids in guinea pig brain.
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