Genetic testing and molecular biomarkers · 2016
Variants of the CDH1 (E-Cadherin) Gene Associated with Oral Clefts in the Thai Population.
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Ittiwut Rungnapa, Ittiwut Chupong, Siriwan Pichit, Chichareon Vichai, Suphapeetiporn Kanya, Shotelersuk Vorasuk
Аннотация
OBJECTIVE: The etiology of oral clefts in humans is genetically complex and mutations in multiple genes have been linked with clefting. CDH1 (E-cadherin) has been found to be involved in lip and palate development, and CDH1 mutations are associated with oral clefts in some populations.
MATERIALS AND METHODS: To determine if there is an association between CDH1 and oral clefting in a Thai population, we sequenced the entire 6.5-kb coding region of the CDH1 gene in 80 oral cleft patients and compared the identified variants with those found in 138 unrelated Thai individuals who did not have oral clefts, as genotyped by exome sequencing.
RESULTS: Among the oral cleft patients, four nonsynonymous single nucleotide variants (SNVs), c.1235T>C (p.V412A), c.1273G>A (p.V425I), c.1565C>T (p.T522I), and c.1888C>G (p.L630V), were identified. Only one nonsynonymous variant (c.1409C>T; p.T470I) was found among the 138 noncleft exomes. The frequency of nonsynonymous SNVs on the CDH1 gene in oral cleft patients (4/80) was significantly higher than that in the control group (1/138) (p = 0.042).
CONCLUSION: We found that nonsynonymous variants of CDH1 were associated with oral clefts in the Thai population.
MATERIALS AND METHODS: To determine if there is an association between CDH1 and oral clefting in a Thai population, we sequenced the entire 6.5-kb coding region of the CDH1 gene in 80 oral cleft patients and compared the identified variants with those found in 138 unrelated Thai individuals who did not have oral clefts, as genotyped by exome sequencing.
RESULTS: Among the oral cleft patients, four nonsynonymous single nucleotide variants (SNVs), c.1235T>C (p.V412A), c.1273G>A (p.V425I), c.1565C>T (p.T522I), and c.1888C>G (p.L630V), were identified. Only one nonsynonymous variant (c.1409C>T; p.T470I) was found among the 138 noncleft exomes. The frequency of nonsynonymous SNVs on the CDH1 gene in oral cleft patients (4/80) was significantly higher than that in the control group (1/138) (p = 0.042).
CONCLUSION: We found that nonsynonymous variants of CDH1 were associated with oral clefts in the Thai population.