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Maternal transmission effects of the PAX genes among cleft case-parent trios from four populations

 Jae Woong Sull  ;  Kung-Yee Liang  ;  Jacqueline B Hetmanski  ;  Margaret Daniele Fallin  ;  Roxanne G Ingersoll  ;  Jiwan Park  ;  Yah-Huei Wu-Chou  ;  Philip K Chen  ;  Samuel S Chong  ;  Felicia Cheah  ;  Vincent Yeow  ;  Beyoung Yun Park  ;  Sun Ha Jee  ;  Ethylin W Jabs  ;  Richard Redett  ;  Alan F Scott  ;  Terri H Beaty 
 EUROPEAN JOURNAL OF HUMAN GENETICS, Vol.17(6) : 831-839, 2009 
Journal Title
Issue Date
Case-Control Studies ; Cleft Lip/epidemiology ; Cleft Lip/genetics* ; Cleft Palate/epidemiology ; Cleft Palate/genetics* ; Eye Proteins/genetics ; Female ; Genotype ; Homeodomain Proteins/genetics ; Humans ; Linkage Disequilibrium ; Male ; PAX3 Transcription Factor ; PAX6 Transcription Factor ; PAX7 Transcription Factor/genetics ; PAX9 Transcription Factor/genetics ; Paired Box Transcription Factors/genetics* ; Polymorphism, Single Nucleotide ; Repressor Proteins/genetics
PAX genes ; oral cleft ; maternal transmission effects ; parent-of-origin
Isolated cleft lip with or without cleft palate (CL/P) is among the most common human birth defects, with a prevalence of 1 in 700 live births. The paired box (PAX) genes have been suggested as candidate genes for CL/P based largely on mouse models; however, few human studies have focused on this gene family. This study tests for association between markers in four PAX genes and CL/P using a case-parent trio design considering parent-of-origin effects. Trios from four populations (76 from Maryland, 146 from Taiwan, 35 from Singapore, and 40 from Korea) were genotyped for 34 single nucleotide polymorphisms (SNPs) in the PAX3, PAX6, PAX7, and PAX9 genes. We performed the transmission disequilibrium test (TDT) on individual SNPs. Parent-of-origin effects were assessed using the transmission asymmetry test (TAT) and the parent-of-origin likelihood ratio test (PO-LRT). TDT analysis showed one SNP (rs766325) in PAX7 yielding evidence of linkage and association when parent-of-origin was not considered, with an OR(transmission)=1.62 (P=0.003), and five SNPs in PAX6 (including two pairs in near perfect linkage disequilibrium). TAT analysis of all trios revealed two SNPs in PAX7 and four SNPs in PAX3 showing significant excess maternal transmission. For these six SNPs, the maternal OR(transmission) ranged between 1.74 and 2.40, and PO-LRT was also significant (P-values=0.035-0.012). When this analysis was limited to trios with male cases, SNPs in PAX7 showed higher maternal OR(transmission) and greater significance. PAX genes may influence the risk of CL/P through maternal effects, possibly imprinting, which seems to be stronger among male cases.
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4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Sull, Jae Woong(설재웅)
Jee, Sun Ha(지선하) ORCID logo https://orcid.org/0000-0001-9519-3068
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