Archives de pediatrie : organe officiel de la Societe francaise de pediatrie · 2022
Estimating the prevalence of congenital disaccharidase deficiencies using allele frequencies from gnomAD.
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de Leusse C, Roman C, Roquelaure B, Fabre A
Аннотация
BACKGROUND: There are currently three known congenital disaccharidase deficiencies: congenital lactase deficiency (CLD), congenital sucrase-isomaltase deficiency (CSD), and congenital trehalase deficiency (CTD). No congenital deficiency has been described for maltase-glucoamylase (MGAM).
METHODS: A literature search was performed in PubMed for the pathogenic variants CLD, CSD, and CTD and the articles retrieved were analyzed to estimate the prevalence of congenital disaccharidase deficiencies.
RESULTS: Based on reported variants, the estimated prevalence was 1.3 per 106 births (95% CI: 1.1-1.7) for CLD, and 31.4 per 106 births (95% CI: 28.3-34.8) for CSD. Using data on previously reported variants and variants predicted to be loss-of-function in gnomAD, the overall estimated prevalence was 2.3 per 106 births (95% CI: 1.9-2.9) for CLD, 57.6 per 106 births (95% CI:52.5-63.2) for CSD, and 9.2 per 106 births (95% CI: 2.5-3.7) for CTD.
CONCLUSION: The prevalence of CSD was found to be relatively high, while for other congenital disaccharidase deficiencies, the estimated prevalence was very low.
METHODS: A literature search was performed in PubMed for the pathogenic variants CLD, CSD, and CTD and the articles retrieved were analyzed to estimate the prevalence of congenital disaccharidase deficiencies.
RESULTS: Based on reported variants, the estimated prevalence was 1.3 per 106 births (95% CI: 1.1-1.7) for CLD, and 31.4 per 106 births (95% CI: 28.3-34.8) for CSD. Using data on previously reported variants and variants predicted to be loss-of-function in gnomAD, the overall estimated prevalence was 2.3 per 106 births (95% CI: 1.9-2.9) for CLD, 57.6 per 106 births (95% CI:52.5-63.2) for CSD, and 9.2 per 106 births (95% CI: 2.5-3.7) for CTD.
CONCLUSION: The prevalence of CSD was found to be relatively high, while for other congenital disaccharidase deficiencies, the estimated prevalence was very low.