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Pulmonary surfactant associated gene variants in mixed ethnic population of Han and Zhuang / 中华儿科杂志
Chinese Journal of Pediatrics ; (12): 843-846, 2012.
Article in Chinese | WPRIM | ID: wpr-348525
ABSTRACT
<p><b>OBJECTIVE</b>To explore the prevalence of pulmonary surfactant associated pathway genes functional variants in Chinese population.</p><p><b>METHOD</b>Using a cohort of 258 mixed ethnic population of Han and Zhuang, we pooled DNA samples from 146 term male infants and 112 term female infants and then used an Ill umina next generation sequencing platform to perform the complete exonic resequencing in 6 target genessurfactant protein-B (SFTPB), surfactant protein-C (SFTPC), ATP-binding cassette transporter A3 (ABCA3), lysophospholipid acyltransferase 1 (LPCAT1), choline phosphotransferase 1 (CHPT1), phosphate cytidylyltransferase 1, choline, beta (PCYT1B). Collapsing methods was used to determine the functional allele frequency.</p><p><b>RESULT</b>(1) Altogether, 128 variants were found, including 44 synonymous variants, 66 nonsynonymous variants and 18 insertions-deletions. Of these, 28 variants were predicted to alter protein function. Two of these variants were seen twice, the rest variants were only seen once, for a total of 30 functional alleles; (2) ABCA3 had the most functional variants in both male and female groups with the minor allele frequencies of 0.014 (1.4%) and 0.04 (4%), respectively. The total functional allele frequencies of 6 genes were 0.041 (4.1%) and 0.08 (8%) in the two groups, respectively (P = 0.06).</p><p><b>CONCLUSION</b>(1) Functional variants in pulmonary surfactant associated pathway genes are present in the mixed Han-Zhuang population. (2) ABCA3 contained the most functional variants suggesting that ABCA3 could contribute significantly to neonatal respiratory distress syndrome and other lung disease.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Respiratory Distress Syndrome, Newborn / Genetic Variation / China / ATP-Binding Cassette Transporters / Genetic Predisposition to Disease / Pulmonary Surfactant-Associated Protein C / Pulmonary Surfactant-Associated Proteins / Asian People / Ethnology / Genetic Association Studies Limits: Female / Humans / Male / Infant, Newborn Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Respiratory Distress Syndrome, Newborn / Genetic Variation / China / ATP-Binding Cassette Transporters / Genetic Predisposition to Disease / Pulmonary Surfactant-Associated Protein C / Pulmonary Surfactant-Associated Proteins / Asian People / Ethnology / Genetic Association Studies Limits: Female / Humans / Male / Infant, Newborn Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Pediatrics Year: 2012 Type: Article