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Boram Kim 1 Article
Adrenal Gland
A Novel Missense PRKAR1A Variant Causes Carney Complex
Boram Kim, Han Na Jang, Kyung Shil Chae, Ho Seop Shin, Yong Hwy Kim, Su Jin Kim, Moon-Woo Seong, Jung Hee Kim
Endocrinol Metab. 2022;37(5):810-815.   Published online October 4, 2022
DOI: https://doi.org/10.3803/EnM.2022.1544
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AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
The Carney complex (CNC) is an autosomal dominant disorder characterized by endocrine and nonendocrine tumors. Loss-of-function variants of protein kinase A regulatory subunit 1 alpha (PRKAR1A) are common causes of CNC. Here, we present the case of a patient with CNC with a novel PRKAR1A missense variant. A 21-year-old woman was diagnosed with CNC secondary to acromegaly and adrenal Cushing syndrome. Genetic analysis revealed a novel missense heterozygous variant of PRKAR1A (c.176A>T). Her relatives, suspected of having CNC, also carried the same variant. RNA analysis revealed that this variant led to nonsense-mediated mRNA decay. In vitro functional analysis of the variant confirmed its role in increasing protein kinase A activity and cyclic adenosine monophosphate levels. This study broadens our understanding of the genetic spectrum of CNC. We suggest that PRKAR1A genetic testing and counseling be recommended for patients with CNC and their families.

Citations

Citations to this article as recorded by  
  • Carney complex: A clinicopathologic study on a single family from several Canadian provinces
    Alexandra Lao, Julio Silva, Brian Chiu, Consolato M. Sergi
    Cardiovascular Pathology.2024; 69: 107599.     CrossRef
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