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  • Title: [Regulation of hormone biosynthesis in guinea pig adrenal glands by potassium ions as affected by dihydropyridines. 1. Analysis of changes in steroidogenesis evoked by dihydropyridines].
    Author: Tron'ko ND, Pushkarev VM, Chelnakova IS, Iarovaia LV, Mikosha AS.
    Journal: Fiziol Zh (1978); 1991; 37(6):55-60. PubMed ID: 1726488.
    Abstract:
    Influence of Ca2+ channel modulators BAY K 8644, nitrendipine and newly synthesized derivative of 1,4-dihydropyridine: 4-(3', 4'-dimethoxyphenyl)-2,6-dimethyl-3,5- diethoxy-carbonyl-1,4-dihydropyridine-(DHP-51) on aldosterone production by adrenocortical slices depends on K+ content in the incubation medium. The modulators only slightly influence the hormone output at low K+ level in the medium. Intensive synthesis of aldosterone at high level of potassium in the medium was prevented in the presence of DHP-51 and low concentration of BAY K 8644. DHP-51 inhibited [3H]-cholesterol incorporation into all main corticosteroids in the high-potassium medium.
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