Abstract
Bilateral adrenocortical hyperplasia (BAH) in humans and mice has been recently linked to phosphodiesterase (PDE) 8B (PDE8B) and 11 (PDE11A) defects. These findings have followed the discovery that defects of primary genes of the cyclic monophosphatase (cAMP) signaling pathway, such as guanine nucleotide binding alpha subunit and PRKAR1A, are involved in the pathogenesis of BAH in humans; complete absence of Prkar1a in the adrenal cortex of mice also led to pathology that mimicked the human disease. Here, we review the most recent findings in human and mouse studies on PDE8B, a cAMP-specific PDE that appears to be highly expressed in the adrenal cortex and whose deficiency may underlie predisposition to BAH and possibly other human diseases.
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Acknowledgment
This work was supported by the Intramural Research Program of the Eunice Kennedy Shriver National Institute of Child Health and Human Development. No research was conducted involving human articipants and/or animals (we only reviewed the relevant literature) in the present report.
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Leal, L.F., Szarek, E., Faucz, F. et al. Phosphodiesterase 8B and cyclic AMP signaling in the adrenal cortex. Endocrine 50, 27–31 (2015). https://doi.org/10.1007/s12020-015-0621-y
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DOI: https://doi.org/10.1007/s12020-015-0621-y