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Kamilaris CDC, Faucz FR, Andriessen VC, Nilubol N, Lee CCR, Ahlman MA, Hannah-Shmouni F, Stratakis CA. First Somatic PRKAR1A Defect Associated With Mosaicism for Another PRKAR1A Mutation in a Patient With Cushing Syndrome. J Endocr Soc 2021; 5:bvab007. [PMID: 33644619 DOI: 10.1210/jendso/bvab007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Indexed: 11/19/2022] Open
Abstract
Context Primary pigmented nodular adrenocortical disease (PPNAD) is a rare cause of ACTH-independent Cushing syndrome (CS) associated mostly with Carney complex (CNC), a rare autosomal dominant multiple neoplasia syndrome. More than two-thirds of familial cases and approximately one-third of sporadic cases of CNC harbor germline inactivating PRKAR1A defects. Increasingly sensitive technologies for the detection of genetic defects such as next-generation sequencing (NGS) have further highlighted the importance of mosaicism in human disease. Case Description A 33-year-old woman was diagnosed with ACTH-independent CS with abdominal computed tomography showing bilateral micronodular adrenal hyperplasia with a left adrenal adenoma. She underwent left adrenalectomy with pathology demonstrating PPNAD with a 1.5-cm pigmented adenoma. DNA analysis by Sanger sequencing revealed 2 different PRKAR1A variants in the adenoma that were absent from DNA extracted from blood and saliva: c.682C > T and c.974-2A > G. "Deep" NGS revealed that 0.31% of DNA copies extracted from blood and saliva did in fact carry the c.682C > T variant, suggesting low-level mosaicism for this defect. Conclusions We present a case of PPNAD due to low-level mosaicism for a PRKAR1A defect which led to the formation of an adenoma due to a second, adrenal-specific, somatic PRKAR1A mutation. The identification of mosaicism for PRKAR1A, depending on the number and distribution of cells affected has implications for genetic counseling and tumor surveillance. This is the first recorded case of a patient with PRKAR1A mosaicism, PPNAD, and an adenoma forming due to complete inactivation of PRKAR1A in adrenal tissue from a second, somatic-only, PRKAR1A coding sequence mutation.
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Affiliation(s)
- Crystal D C Kamilaris
- Section on Endocrinology and Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Fabio R Faucz
- Section on Endocrinology and Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Victoria C Andriessen
- Section on Endocrinology and Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Naris Nilubol
- Endocrine Surgery Section, Surgical Oncology Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Chyi-Chia Richard Lee
- Laboratory of Pathology, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Mark A Ahlman
- Radiology and Imaging Sciences, Clinical Center, National Institutes of Health (NIH), Bethesda, MD, USA
| | - Fady Hannah-Shmouni
- Section on Endocrinology and Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Constantine A Stratakis
- Section on Endocrinology and Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
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Kamilaris CDC, Stratakis CA, Hannah-Shmouni F. Molecular Genetic and Genomic Alterations in Cushing's Syndrome and Primary Aldosteronism. Front Endocrinol (Lausanne) 2021; 12:632543. [PMID: 33776926 PMCID: PMC7994620 DOI: 10.3389/fendo.2021.632543] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/01/2021] [Indexed: 11/13/2022] Open
Abstract
The genetic alterations that cause the development of glucocorticoid and/or mineralocorticoid producing benign adrenocortical tumors and hyperplasias have largely been elucidated over the past two decades through advances in genomics. In benign aldosterone-producing adrenocortical tumors and hyperplasias, alteration of intracellular calcium signaling has been found to be significant in aldosterone hypersecretion, with causative defects including those in KCNJ5, ATP1A1, ATP2B3, CACNA1D, CACNA1H, and CLCN2. In benign cortisol-producing adrenocortical tumors and hyperplasias abnormal cyclic adenosine monophosphate-protein kinase A signaling has been found to play a central role in tumorigenesis, with pathogenic variants in GNAS, PRKAR1A, PRKACA, PRKACB, PDE11A, and PDE8B being implicated. The role of this signaling pathway in the development of Cushing's syndrome and adrenocortical tumors was initially discovered through the study of the underlying genetic defects causing the rare multiple endocrine neoplasia syndromes McCune-Albright syndrome and Carney complex with subsequent identification of defects in genes affecting the cyclic adenosine monophosphate-protein kinase A pathway in sporadic tumors. Additionally, germline pathogenic variants in ARMC5, a putative tumor suppressor, were found to be a cause of cortisol-producing primary bilateral macronodular adrenal hyperplasia. This review describes the genetic causes of benign cortisol- and aldosterone-producing adrenocortical tumors.
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Wurth R, Tirosh A, Kamilaris CDC, Camacho J, Faucz FR, Maria AG, Berthon A, Papadakis GZ, Nilubol N, Hamimi A, Gharib AM, Demidowich A, Zilbermint M, Eisenhofer G, Braun L, Reincke M, Stratakis CA, Hannah-Shmouni F. Volumetric Modeling of Adrenal Gland Size in Primary Bilateral Macronodular Adrenocortical Hyperplasia. J Endocr Soc 2021; 5:bvaa162. [PMID: 33305158 PMCID: PMC7716656 DOI: 10.1210/jendso/bvaa162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Indexed: 11/19/2022] Open
Abstract
CONTEXT Radiological characterization of adrenal size in primary bilateral macronodular adrenocortical hyperplasia (PBMAH) has not been previously investigated. OBJECTIVE We hypothesized that volumetric modeling of adrenal gland size may correlate with biochemical disease severity in patients with PBMAH. Secondary analysis of patients with concurrent primary aldosteronism (PA) was performed. DESIGN A retrospective cross-sectional analysis of 44 patients with PBMAH was conducted from 2000 to 2019. SETTING Tertiary care clinical research center. PATIENTS Patients were diagnosed with PBMAH based upon clinical, genetic, radiographic and biochemical characteristics. INTERVENTION Clinical, biochemical, and genetic data were obtained. Computed tomography scans were used to create volumetric models by manually contouring both adrenal glands in each slice using Vitrea Core Fx v6.3 software (Vital Images, Minnetonka, Minnesota). MAIN OUTCOME AND MEASURES 17-hydroxycorticosteroids (17-OHS), ARMC5 genetics, and aldosterone-to-renin ratio (ARR) were retrospectively obtained. Pearson test was used for correlation analysis of biochemical data with adrenal volume. RESULTS A cohort of 44 patients with PBMAH was evaluated, with a mean age (±SD) of 53 ± 11.53. Eight patients met the diagnostic criteria for PA, of whom 6 (75%) were Black. In the Black cohort, total adrenal volumes positively correlated with midnight cortisol (R = 0.76, P = 0.028), urinary free cortisol (R = 0.70, P = 0.035), and 17-OHS (R = 0.87, P = 0.0045), with a more pronounced correlation with left adrenal volume alone. 17-OHS concentration positively correlated with total, left, and right adrenal volume in patients harboring pathogenic variants in ARMC5 (R = 0.72, P = 0.018; R = 0.65, P = 0.042; and R = 0.73, P = 0.016, respectively). CONCLUSIONS Volumetric modeling of adrenal gland size may associate with biochemical severity in patients with PBMAH, with particular utility in Black patients.
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Affiliation(s)
- Rachel Wurth
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Amit Tirosh
- Neuroendocrine Tumors Service, Division of Endocrinology, Diabetes and Metabolism, The Chaim Sheba Medical Center and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Crystal D C Kamilaris
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Jancarlos Camacho
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Fabio R Faucz
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Andrea Gutierrez Maria
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Annabel Berthon
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Georgios Z Papadakis
- Foundation for Research and Technology (FORTH), Institute of Computer Science (ICS), Computational Biomedicine Laboratory, Heraklion, Greece
- Department of Radiology, Medical School, University of Crete, Heraklion, Greece
| | - Naris Nilubol
- Surgical Oncology Program, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Ahmed Hamimi
- Biomedical and Metabolic Imaging Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Ahmed M Gharib
- Biomedical and Metabolic Imaging Branch, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Andrew Demidowich
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Mihail Zilbermint
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
- Johns Hopkins University School of Medicine, Division of Endocrinology, Diabetes, and Metabolism, Baltimore, MD, USA
- Johns Hopkins Community Physicians at Suburban Hospital, Bethesda, MD, USA
| | - Graeme Eisenhofer
- Institute of Clinical Chemistry and Laboratory Medicine, and Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität, Dresden, Germany
| | - Leah Braun
- Medizinische Klinik und Poliklinik IV, Division of Endocrinology, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Martin Reincke
- Medizinische Klinik und Poliklinik IV, Division of Endocrinology, Klinikum der Universität, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Constantine A Stratakis
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Fady Hannah-Shmouni
- Section on Endocrinology & Genetics (SEGEN), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
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Shekhar S, Wurth R, Kamilaris CDC, Eisenhofer G, Barrera FJ, Hajdenberg M, Tonleu J, Hall JE, Schiffrin EL, Porter F, Stratakis CA, Hannah-Shmouni F. Endocrine Conditions and COVID-19. Horm Metab Res 2020; 52:471-484. [PMID: 32512611 PMCID: PMC7417289 DOI: 10.1055/a-1172-1352] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 04/30/2020] [Indexed: 02/07/2023]
Abstract
COVID-19 was declared a global pandemic by the WHO and has affected millions of patients around the world. COVID-19 disproportionately affects persons with endocrine conditions, thus putting them at an increased risk for severe disease. We discuss the mechanisms that place persons with endocrine conditions at an additional risk for severe COVID-19 and review the evidence. We also suggest precautions and management of endocrine conditions in the setting of global curfews being imposed and offer practical tips for uninterrupted endocrine care.
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Affiliation(s)
- Skand Shekhar
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health (NIH), Bethesda, Maryland, USA
- Clinical Research Branch, National Institute of Environmental Health
Sciences, NIH, North Carolina, USA
| | - Rachel Wurth
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health (NIH), Bethesda, Maryland, USA
| | - Crystal D. C. Kamilaris
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health (NIH), Bethesda, Maryland, USA
| | - Graeme Eisenhofer
- Institute of Clinical Chemistry and Laboratory Medicine, and Department
of Medicine III, University Hospital Carl Gustav Carus, Technische
Universität Dresden, Dresden, Germany
| | - Francisco J. Barrera
- Endocrinology Division, Internal Medicine Department, University
Hospital “Dr. Jose E. Gonzalez”, Universidad Autonoma de Nuevo
Leon, Monterrey, Mexico
- Plataforma INVEST-KER Unit Mayo Clinic, School of Medicine, Universidad
Autonoma de Nuevo Leon, Monterrey, Mexico
| | - Michelle Hajdenberg
- College of Arts and Sciences at Washington University in St. Louis,
Saint Louis, Missouri, USA
| | - Joselyne Tonleu
- Clinical Research Branch, National Institute of Environmental Health
Sciences, NIH, North Carolina, USA
| | - Janet E. Hall
- Clinical Research Branch, National Institute of Environmental Health
Sciences, NIH, North Carolina, USA
| | - Ernesto L. Schiffrin
- Department of Medicine, Sir Mortimer B. Davis-Jewish General Hospital,
McGill University, Montreal, Quebec, Canada
| | - Forbes Porter
- Division of Translational Medicine, Eunice Kennedy Shriver National
Institute of Child Health and Human Development, NIH, Bethesda, Maryland,
USA
| | - Constantine A. Stratakis
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health (NIH), Bethesda, Maryland, USA
| | - Fady Hannah-Shmouni
- Section on Endocrinology & Genetics, Eunice Kennedy Shriver
National Institute of Child Health and Human Development, National Institutes of
Health (NIH), Bethesda, Maryland, USA
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Abstract
Advances in genomics over the past two decades have allowed for elucidation of the genetic alterations leading to the development of adrenocortical tumors and/or hyperplasias. These molecular changes were initially discovered through the study of rare familial tumor syndromes such as McCune-Albright Syndrome, Carney complex, Li-Fraumeni syndrome, and Beckwith-Wiedemann syndrome, with the identification of alterations in genes and molecular pathways that subsequently led to the discovery of aberrations in these or related genes and pathways in sporadic tumors. Genetic alterations in GNAS, PRKAR1A, PRKACA, PRKACB, PDE11A, and PDE8B, that lead to aberrant cyclic adenosine monophosphate-protein (cAMP) kinase A signaling, were found to play a major role in the development of benign cortisol-producing adrenocortical tumors and/or hyperplasias, whereas genetic defects in KCNJ5, ATP1A1, ATP2B3, CACNA1D, CACNA1H, and CLCN2 were implicated in the development of benign aldosterone-producing tumors and/or hyperplasias through modification of intracellular calcium signaling. Germline ARMC5 defects were found to cause the development of primary bilateral macronodular adrenocortical hyperplasia with glucocorticoid and/or mineralocorticoid oversecretion. Adrenocortical carcinoma was linked primarily to aberrant p53 signaling and/or Wnt-β-catenin signaling, as well as IGF2 overexpression, with frequent genetic alterations in TP53, ZNRF3, CTNNB1, and 11p15. This review focuses on the genetic underpinnings of benign cortisol- and aldosterone-producing adrenocortical tumors/hyperplasias and adrenocortical carcinoma.
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Affiliation(s)
- Crystal D C Kamilaris
- Section on Endocrinology and Genetics & Inter-Institute Endocrinology Fellowship Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, 20892, USA
| | - Fady Hannah-Shmouni
- Section on Endocrinology and Genetics & Inter-Institute Endocrinology Fellowship Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, 20892, USA
| | - Constantine A Stratakis
- Section on Endocrinology and Genetics & Inter-Institute Endocrinology Fellowship Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, 20892, USA.
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Kamilaris CDC, Stratakis CA. Multiple Endocrine Neoplasia Type 1 (MEN1): An Update and the Significance of Early Genetic and Clinical Diagnosis. Front Endocrinol (Lausanne) 2019; 10:339. [PMID: 31263451 PMCID: PMC6584804 DOI: 10.3389/fendo.2019.00339] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 05/10/2019] [Indexed: 12/21/2022] Open
Abstract
Multiple endocrine neoplasia type 1 (MEN1) is a rare hereditary tumor syndrome inherited in an autosomal dominant manner and characterized by a predisposition to a multitude of endocrine neoplasms primarily of parathyroid, enteropancreatic, and anterior pituitary origin, as well as nonendocrine neoplasms. Other endocrine tumors in MEN1 include foregut carcinoid tumors, adrenocortical tumors, and rarely pheochromocytoma. Nonendocrine manifestations include meningiomas and ependymomas, lipomas, angiofibromas, collagenomas, and leiomyomas. MEN1 is caused by inactivating mutations of the tumor suppressor gene MEN1 which encodes the protein menin. This syndrome can affect all age groups, with 17% of patients developing MEN1-associated tumors before 21 years of age. Despite advances in the diagnosis and treatment of MEN1-associated tumors, patients with MEN1 continue to have decreased life expectancy primarily due to malignant neuroendocrine tumors. The most recent clinical practice guidelines for MEN1, published in 2012, highlight the need for early genetic and clinical diagnosis of MEN1 and recommend an intensive surveillance approach for both patients with this syndrome and asymptomatic carriers starting at the age of 5 years with the goal of timely detection and management of MEN1-associated neoplasms and ultimately decreased disease-specific morbidity and mortality. Unfortunately, there is no clear genotype-phenotype correlation and individual mutation-dependent surveillance is not possible currently.
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Kamilaris CDC, Stratakis CA. An update on adrenal endocrinology: significant discoveries in the last 10 years and where the field is heading in the next decade. Hormones (Athens) 2018; 17:479-490. [PMID: 30456751 PMCID: PMC6294814 DOI: 10.1007/s42000-018-0072-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 08/28/2018] [Accepted: 09/20/2018] [Indexed: 02/07/2023]
Abstract
The last 10 years have produced an amazing number of significant discoveries in the field of adrenal endocrinology. The development of the adrenal gland was linked to specific molecules. Cortisol-producing lesions were associated mostly with defects of the cyclic AMP (cAMP) signaling pathway, whereas aldosterone-producing lesions were found to be the result of defects in aldosterone biosynthesis or the potassium channel KCNJ5 and related molecules. Macronodular adrenal hyperplasia was linked to ARMC5 defects and new genes were found to be involved in adrenocortical cancer (ACC). The succinate dehydrogenase (SDH) enzyme was proven to be the most important molecular pathway involved in pheochromocytomas, along with several other genes. Adrenomedullary tumors are now largely molecularly elucidated. Unfortunately, most of these important discoveries have yet to produce new therapeutic tools for our patients with adrenal diseases: ACC in its advanced stages remains largely an untreatable disorder and malignant pheochromocytomas are equally hard to treat. Thus, the challenge for the next 10 years is to translate the important discoveries of the previous decade into substantial advances in the treatment of adrenal disorders and tumors.
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Affiliation(s)
- Crystal D C Kamilaris
- Section on Endocrinology and Genetics & Inter-Institute Endocrinology Training Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), NIH-Clinical Research Center, 10 Center Drive, Building 10, Room 1-3330, MSC1103, Bethesda, MD, 20892, USA
| | - Constantine A Stratakis
- Section on Endocrinology and Genetics & Inter-Institute Endocrinology Training Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), NIH-Clinical Research Center, 10 Center Drive, Building 10, Room 1-3330, MSC1103, Bethesda, MD, 20892, USA.
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Abstract
Carney complex is a rare, autosomal dominant, multiple endocrine neoplasia and lentiginosis syndrome, caused in most patients by defects in the PRKAR1A gene, which encodes the regulatory subunit type 1α of protein kinase A. Inactivating defects of PRKAR1A lead to aberrant cyclic-AMP-protein kinase A signaling. Patients may develop multiple skin abnormalities and a variety of endocrine and non-endocrine tumors. Endocrine manifestations include primary pigmented nodular adrenocortical disease, that may cause Cushing syndrome, growth-hormone secreting pituitary adenoma or pituitary somatotropic hyperplasia which can result in acromegaly, as well as gonadal and thyroid tumors. Non-endocrine tumors associated with Carney complex include myxomas of the heart, breast, and other sites, psamommatous melanotic schwannomas, breast ductal adenomas, osteochondromyxomas, and a predisposition to a number of malignancies from adrenal to pancreatic and liver cancer.
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Affiliation(s)
- Crystal D C Kamilaris
- Section on Endocrinology and Genetics & Endocrinology Inter-institute Training Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Fabio Rueda Faucz
- Section on Endocrinology and Genetics & Endocrinology Inter-institute Training Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Antonis Voutetakis
- Division of Endocrinology, Metabolism and Diabetes, 1st Department of Pediatrics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Constantine A Stratakis
- Section on Endocrinology and Genetics & Endocrinology Inter-institute Training Program, Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
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