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Pathway Description
Apparent Mineralocorticoid Excess Syndrome
Mus musculus
Category:
Metabolite Pathway
Sub-Category:
Disease
Created: 2018-09-10
Last Updated: 2019-09-15
Apparent mineralocorticoid excess (AME), also known as cortisol 11-beta-ketoreductase deficiency, is an extremely rare inborn error of metabolism (IEM) and autosomal recessive disorder of the steroidogenesis pathway. It is caused by a mutation in the HSD11B2 gene which encodes for corticosteroid 11-beta-dehydrogenase isozyme 2, and enzyme that converts cortisol to cortisone in the cell. Without this enzyme being functional, an accumulation of tetrahydrocortisol builds up, while tetrahydrocortisone levels dissipate. AME is characterized excessive thirst and urination, and along with this, symptoms include low levels of aldosterone, failure to thrive and hypertension. Treatment with corticoids that suppress the secretion of cortisol within the body can affect blood pressure and aldosterone levels. Antihypertensive agents are also effective. It is estimated that AME affects less than 1 in 1,000,000 individuals, with less than 100 reported cases as of 2019.
References
Apparent Mineralocorticoid Excess Syndrome References
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Steroidogenesis References
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This pathway was propagated using PathWhiz -
Pon, A. et al. Pathways with PathWhiz (2015) Nucleic Acids Res. 43(Web Server issue): W552–W559.
Propagated from SMP0000717
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