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  • Title: [Ultrastructural localization of adenylate cyclase and guanylate cyclase activity in the gastric gland cells of rats with hormonal imbalance].
    Author: Fedchenko SN.
    Journal: Arkh Anat Gistol Embriol; 1981 Aug; 81(8):87-92. PubMed ID: 6119067.
    Abstract:
    Electron histochemical investigation of the rat gastric mucous membrane has demonstrated that an abundant amount of thyroxine administered increases adenylate cyclase (AC) activity in the basal part of plasmolemma of parietal glandulocytes. As a result of the increased AC activity, the level of cyclic adenosine monophosphate cyclic guanylate monophosphate (c GMPh) level decrease. Ultrastructural and biochemical analyses have demonstrated that when hydrocortison is administered on the background of hyperthyroidism, localization of AC and GC activity in glandulocytes, as well as c AMPh and c GMPh contents change towards opposite direction comparing to the case when thyroxine alone is administered.
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