NDLI: Associations between gene polymorphisms in fatty acid metabolism pathway and preterm delivery in a US urban black population

Content Provider	Springer Nature Link
Author	Liu, Xin Wang, Guoying Hong, Xiumei Tsai, Hui Ju Liu, Rong Zhang, Shanchun Wang, Hongjian Pearson, Colleen Ortiz, Katherin Wang, Deli Hirsch, Emmet Zuckerman, Barry Wang, Xiaobin
Copyright Year	2011
Abstract	There is increasing evidence suggesting that higher intakes of fish or n-3 polyunsaturated fatty acids supplements may decrease the risk of preterm delivery (PTD). We hypothesized that genetic variants of the enzymes critical to fatty acids biosynthesis and metabolism may be associated with PTD. We genotyped 231 potentially functional single nucleotide polymorphisms (SNPs) and tagSNPs in 9 genes (FADS1, FADS2, PTGS1, PTGS2, ALOX5, ALOX5AP, PTGES, PTGES2, and PTGES3) among 1,110 black mothers, including 542 mothers who delivered preterm (<37 weeks gestation) and 568 mothers who delivered full-term babies (≥37 weeks gestation) at Boston Medical Center. After excluding SNPs that are in complete linkage disequilibrium or have lower minor allele frequency (<1%) or call rate (<90%), we examined the association of 206 SNPs with PTD using multiple logistic regression models. We also imputed 190 HapMap SNPs via program MACH and examined their associations with PTD. Finally, we explored gene-level and pathway-level associations with PTD using the adaptive rank truncated product (ARTP) methods. A total of 21 SNPs were associated with PTD (p value ranging from 0.003 to 0.05), including 3 imputed SNPs. Gene-level ARTP statistics indicated that the gene PTGES2 was significantly associated with PTD with a gene-based p value equal to 0.01. No pathway-based association was found. In this large and comprehensive candidate gene study, we found a modest association of genes in fatty acid metabolism pathway with PTD. Further investigation of these gene polymorphisms jointly with fatty acid measures and other genetic factors would help better understand the pathogenesis of PTD.
Starting Page	341
Ending Page	351
Page Count	11
File Format	PDF
ISSN	03406717
Journal	Human Genetics
Volume Number	131
Issue Number	3
e-ISSN	14321203
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-08-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Molecular Medicine Gene Function Human Genetics Metabolic Diseases
Content Type	Text
Resource Type	Article
Subject	Genetics Genetics (clinical)

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