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  • Title: Stimulation by calcium and other cations of the cholesterol binding to steroid-free cytochrome P-450scc purified from bovine adrenocortical mitochondria: the implication of ACTH-mediated calcium homeostasis on the cholesterol availability.
    Author: Kido T, Kimura T.
    Journal: Endocr Res Commun; 1982; 9(1):9-24. PubMed ID: 6284476.
    Abstract:
    By utilizing purified cytochrome P-450scc from bovine adrenocortical mitochondria and cholesterol-containing dioleoylglycerophosphocholine liposomes, we have demonstrated a dramatic stimulation (2-3 fold) of cholesterol binding to the steroid-free cytochrome by Ca++. We theorize that ACTH modulates the increase of intracellular Ca++ concentration resulting in the increase of the cholesterol availability to the mitochondrial cytochrome.
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