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Article Dans Une Revue Archives de Pédiatrie Année : 2020

CFTR gene variants, epidemiology and molecular pathology

Résumé

Pathogenic variants of the CFTR gene are responsible for a broad phenotypic spectrum characterized by malfunction of some exocrine tissues, with an autosomal recessive mode of inheritance. More than 2,000 variants, distributed throughout the CFTR gene, have been identified, with different effects on the gene and protein expression and function. Genotype-phenotype correlation studies have associated severe variants with a typical multi-organ form of cystic fibrosis, while mild variants are involved in monosymptomatic or adult-onset diseases, called CFTR-related disorders. However, the interpretation of rare variants remains challenging. This review presents an overview of the epidemiology of CFTR variants worldwide and in France and describes the functional classification. Finally, some frequent cystic fibrosis-causing and mild CFTR variants are used as example to depict the molecular pathology of the CFTR locus. Finally, we give the recommendations concerning nomenclature and classification that are useful for appropriate genetic counseling. © 2020 French Society of Pediatrics. Published by Elsevier Masson SAS.
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Dates et versions

hal-03477908 , version 1 (20-06-2022)

Identifiants

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C. Bareil, A. Bergougnoux. CFTR gene variants, epidemiology and molecular pathology. Archives de Pédiatrie, 2020, 27, pp.eS8-eS12. ⟨10.1016/S0929-693X(20)30044-0⟩. ⟨hal-03477908⟩
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