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Article Dans Une Revue Archives de Pédiatrie Année : 2020

Genetic diagnosis in practice: from cystic fibrosis to cftr-related disorders

Résumé

Cystic fibrosis (CF) is a channelopathy caused by mutations in the gene encoding the CF transmembrane conductance regulator (CFTR) protein. Diagnosis of CF has long relied on a combination of clinical (including gastrointestinal and/or respiratory) symptoms and elevated sweat chloride concentration. After cloning of the CFTR gene in 1989, genetic analysis progressively became an important aspect of diagnosis. Although combination of sweat test and genetic analysis have simplified the diagnosis of CF in most cases, difficult situations remain, especially in cases that do not fulfill all diagnostic criteria. Such situations are most frequently encountered in patients presenting with a single-organ disease (e.g., congenital absence of the vas deferens, pancreatitis, bronchiectasis) leading to a diagnosis of CFTR-related disorder, or when the presence/ absence of CF is not resolved after newborn screening. This article reviews the diagnostic criteria of CF, with special emphasis on genetic testing. 2020 French Society of Pediatrics. Published by Elsevier Masson SAS. All rights reserved.

Dates et versions

hal-03798142 , version 1 (05-10-2022)

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Adrien Pagin, I. Sermet-Gaudelus, P.-R. Burgel. Genetic diagnosis in practice: from cystic fibrosis to cftr-related disorders. Archives de Pédiatrie, 2020, Archives de Pédiatrie, 27 (1), pp.eS25-eS29. ⟨10.1016/S0929-693X(20)30047-6⟩. ⟨hal-03798142⟩

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