Elimination of adrenocortical apolipoprotein E production does not impact glucocorticoid output in wild-type mice

Apolipoprotein E (APOE) deficient mice exhibit unexplained hypercorticosteronemia. Given that APOE is also produced locally within the adrenals, we evaluated the effect of adrenal-specific APOE deficiency on the glucocorticoid function. Hereto, one adrenal containing or lacking APOE was transplanted...

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Veröffentlicht in:Molecular and cellular endocrinology 2019-06, Vol.490, p.21-27
Hauptverfasser: van der Sluis, Ronald J., Depuydt, Marie A.C., Verwilligen, Robin A.F., Hoekstra, Menno, Van Eck, Miranda
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Sprache:eng
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Zusammenfassung:Apolipoprotein E (APOE) deficient mice exhibit unexplained hypercorticosteronemia. Given that APOE is also produced locally within the adrenals, we evaluated the effect of adrenal-specific APOE deficiency on the glucocorticoid function. Hereto, one adrenal containing or lacking APOE was transplanted into adrenalectomized wild-type mice. Adrenal APOE deficiency did not impact adrenal total cholesterol levels. Importantly, the ability of the two adrenal types to produce glucocorticoids was also not different as judged from the similar plasma corticosterone levels. Adrenal mRNA expression levels of HMG-CoA reductase and the LDL receptor were decreased by respectively 72% (p 
ISSN:0303-7207
1872-8057
DOI:10.1016/j.mce.2019.04.001