期刊
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
卷 25, 期 3, 页码 240-247出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/14767058.2011.569614
关键词
Premature birth; inflammation; maternal & child genotype; gene-gene interactions; genetic polymorphisms; premature birth genetics
资金
- Centers for Disease Controls [U01 DP00143-01]
- National Institute of Child Health and Human Development [R01 HD 34543-01, R01 HD034543-07]
- National Institute of Nursing Research [R01 HD34543]
- Institutional T32 grant [T32 HD046377]
Objective. There is little information about the combination of genetic variability in pregnant women and their children in relation to the risk of preterm delivery (PTD). In a sub-cohort of 487 non-Hispanic white and 288 African-American mother/child pairs, the Pregnancy Outcomes and Community Health Study assessed 10 functional polymorphisms in 9 genes involved in innate immune function. Methods. Race-stratified weighted logistic regression models were used to calculate odds ratios for genotype and PTD/PTD subtypes. Polymorphisms significantly associated with PTD/PTD subtypes were tested for mother/child genotype interactions. Results. Three maternal polymorphisms (IL-1 receptor antagonist intron two repeat (IL-1RN), matrix metalloproteinase-C1562T, and TNF receptor two M196R (TNFR2)) and three child polymorphisms (IL1-RN, tumor necrosis factor-alpha -G308A, and TNFR2) were associated with PTD, but associations varied by PTD subtype and race. Two interactions were detected for maternal and child genotype. Among non-Hispanic white women, the odds of PTD was higher when both mother and child carried the IL-1RN allele two (additive interaction p < 0.05). Among African-American women, the odds of PTD were higher when both mother and child carried the TNFR2 R allele (multiplicative interaction p < 0.05). Conclusion. These results highlight the importance of assessing both maternal and child genotype in relation to PTD risk.
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