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Maternal genetic markers for risk of celiac disease and their potential association with neural tube defects in offspring.

ABSTRACT: BACKGROUND:We examined the association between the maternal genotype for celiac disease-associated variants and risk of neural tube defects (NTDs). METHODS:We conducted a case-control study, using data from the National Birth Defects Prevention Study. We evaluated 667 cases (women with an offspring with NTD) and 743 controls (women with an offspring without a birth defect). We classified women as having low, intermediate, or high risk of celiac disease based on human leukocyte antigen (HLA) variants. We used logistic regression to assess the relationship between HLA celiac risk group (low, intermediate, high) and risk of NTDs. Fifteen non-HLA variants (identified from genome-wide association studies of celiac disease) were individually evaluated and modeled additively. RESULTS:There was no association between HLA celiac risk group and NTDs (intermediate vs. low risk: aOR, 1.0; 95% CI, 0.8-1.3; high vs. low risk: aOR, 0.8; 95% CI, 0.5-1.3). Of the fifteen non-HLA variants, we observed five significant associations after accounting for multiple comparisons. Three negative associations were observed with rs10903122, rs13314993, rs13151961 (aOR range: 0.69-0.81), and two positive associations were observed with rs13003464 and rs11221332 (aOR range: 1.27-1.73). CONCLUSION:If confirmed, our results suggest that the maternal variants related to celiac disease may be involved in the risk of NTDs.

SUBMITTER: Hoang TT

PROVIDER: S-EPMC6565562 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Maternal genetic markers for risk of celiac disease and their potential association with neural tube defects in offspring.

Hoang Thanh T TT Lei Yunping Y Mitchell Laura E LE Sharma Shreela V SV Swartz Michael D MD Waller D Kim DK Finnell Richard H RH Benjamin Renata H RH Browne Marilyn L ML Canfield Mark A MA Lupo Philip J PJ McKenzie Paige P Shaw Gary M GM Agopian A J AJ

Molecular genetics & genomic medicine 20190409 6

<h4>Background</h4>We examined the association between the maternal genotype for celiac disease-associated variants and risk of neural tube defects (NTDs).<h4>Methods</h4>We conducted a case-control study, using data from the National Birth Defects Prevention Study. We evaluated 667 cases (women with an offspring with NTD) and 743 controls (women with an offspring without a birth defect). We classified women as having low, intermediate, or high risk of celiac disease based on human leukocyte ant ...[more]

PMID: 30968606

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Project description:BackgroundNeural tube defects (NTDs) are birth defects of the brain, spine, or spinal cord invoked by the insufficient intake of folic acid in the early stages of pregnancy and have a complex etiology involving both genetic and environmental factors. So the study aimed to explore the association between alterations in maternal one-carbon metabolism and NTDs in the offspring.MethodsWe conducted a case-control study to get a deeper insight into this association, as well as into the role of genetic polymorphisms. Plasma concentrations of folate, homocysteine (Hcy), S-adenosylmethionine (SAM), S-adenosylhomocysteine (SAH) and genotypes and alleles distributions of 52 SNPs in 8 genes were compared for 61 women with NTDs-affected offspring and 61 women with healthy ones.ResultsThere were significant differences between groups with regard to plasma folate, SAM, SAH and SAM/SAH levels. Logistic regression results revealed a significant association between maternal plasma folate level and risk of NTDs in the offspring. For MTHFD1 rs2236225 polymorphism, mothers having GA genotype and A allele exhibited an increased risk of NTDs in the offspring (OR = 2.600, 95%CI: 1.227-5.529; OR = 1.847, 95%CI: 1.047-3.259). For MTHFR rs1801133 polymorphism, mothers having TT and CT genotypes were more likely to affect NTDs in the offspring (OR = 4.105, 95%CI: 1.271-13.258; OR = 3.333, 95%CI: 1.068-10.400). Moreover, mothers carrying T allele had a higher risk of NTDs in the offspring (OR = 1.798, 95%CI: 1.070-3.021). For MTRR rs1801394 polymorphism, the frequency of G allele was significantly higher in cases than in controls (OR = 1.763, 95%CI: 1.023-3.036). Mothers with NTDs-affected children had higher AG genotype in RFC1 rs1051226 polymorphism than controls, manifesting an increased risk for NTDs (OR = 3.923, 95%CI: 1.361-11.308).ConclusionFolic acid deficiency, MTHFD1 rs2236225, MTHFR rs1801133, MTRR rs1801349 and RFC1 rs1051226 polymorphisms may be maternal risk factors of NTDs.

Dataset Information

Maternal genetic markers for risk of celiac disease and their potential association with neural tube defects in offspring.

Publications

Maternal genetic markers for risk of celiac disease and their potential association with neural tube defects in offspring.

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