Cystic fibrosis transmembrane conductance regulator function, notTAS2R38gene haplotypes, predict sinus surgery in children and young adults with cystic fibrosis

Autor: Karen S. Raraigh, Steven S. An, Melis Atalar Aksit, Nicholas M. Dalesio, Joseph M. Collaco, Sharon A. McGrath-Morrow, Kwangmi Ahn, Garry R. Cutting, Pamela L. Zeitlin
Rok vydání: 2020
Předmět:
Zdroj: Int Forum Allergy Rhinol
ISSN: 2042-6984
2042-6976
DOI: 10.1002/alr.22548
Popis: BACKGROUND: Chronic rhinosinusitis symptomatology begins in early childhood individuals with cystic fibrosis (CF). Cystic fibrosis transmembrane conductance regulator (CFTR) function contributes to sinus development and disease. Genetic variants of the bitter taste receptor TAS2R38 have been suggested to contribute to sinus disease severity in individuals without CF. Our objective was to explore whether functional TAS2R38 haplotypes and CFTR function are associated with sinus disease or the need for sinus surgery in individuals with CF. METHODS: We conducted a retrospective study using prospectively collected data from the CF Twin-Sibling Study. The function of cystic fibrosis transmembrane conductance regulator (CFTR) was assessed via chloride conductance. Genotyping of the TAS2R38 gene identified patients who were homozygous for the functional haplotype, heterozygous, or homozygous for nonfunctional haplotypes. Clustered multivariate logistic regression was performed, controlling for sex and family relationship. RESULTS: A total of 1291 patients were evaluated. Patients with ≤1% CFTR function were 1.56 times more likely to require sinus surgery than those with >1% CFTR function (P = 0.049). CFTR function did not significantly correlate with the presence of sinus disease (P = 0.30). In addition, there were no statistically significant differences in diagnosis of sinus disease or need for sinus surgery between patients with functional and non-functional TAS2R38 haplotypes. CONCLUSIONS: CFTR function correlates to need for sinus surgery, whereas TAS2R38 function does not appear to contribute to sinus disease or the need for sinus surgery in patients with CF.
Databáze: OpenAIRE