Journal
HORMONE AND METABOLIC RESEARCH
Volume 49, Issue 12, Pages 951-956Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0043-122394
Keywords
primary aldosteronism; aldosterone-producing cell clusters; next-generation sequencing
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Funding
- American Heart Association [17POST33410759]
- NIDDK [R01 DK106618]
- A. Alfred Taubman Medical Research Institute
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Primary aldosteronism (PA) significantly increases the risk of cardiovascular complications, and early diagnosis and targeted treatment based on its pathophysiology is warranted. Next-generation sequencing (NGS) has revealed recurrent somatic mutations in aldosterone-driving genes in aldosterone-producing adenoma (APA). By applying CYP11B2 (aldosterone synthase) immunohistochemistry and NGS to adrenal glands from normal subjects and PA patients, we and others have shown that CYP11B2-positive cells make small clusters, termed aldosterone-producing cell clusters (APCC), beneath the adrenal capsule, and that APCC harbor somatic mutations in genes mutated in APA. We have shown that APCC are increased in CT-negative PA adrenals, while others showed potential progression from APCC to micro APA through mutations. These results suggest that APCC are a key factor for understanding the origin of PA, and further investigation on the relation between APCC and PA is highly needed.
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