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- Title
Prostanoid DP receptor (PTGDR) variants in mothers with post-coital associated preterm births: preliminary observations.
- Authors
Grisaru-Granovsky, S.; Altarescu, G.; Finci, S.; Weintraub, A.; Tevet, A.; Samueloff, A.; Schimmel, M. S.
- Abstract
Objective:To describe prostanoid DP receptor (PTGDR) variants in women with preterm births who admitted to coital activity (CA) within 24 h of labor.Study Design:To achieve >80% statistical power, a pilot case-control study compared 24 premature births from mothers with CA (Group 1), 30 mothers of premature infants who did not have CA (Group 2 non-coital activity) and 95 non-coital activity mothers with term births (Group 3 controls). Four functional PTDGR single nucleotide polymorphisms (SNPs) were evaluated: T-549C, C-441/T, T-197C and G+1044A. PHASE 2.0.2 and SAS 9.2 were used for analysis.Result:All SNPs were in Hardy–Weinberg equilibrium in controls. The C-441/T genotype frequency was significantly increased among Group 1 women relative to Group 2 and 3 women (odds ratio (OR): 30.1, 95% confidence interval (CI) 6.9–191 and 25.7 95%CI 25.7-not computible, respectively). Of the possible haplotypes among the groups, the TCTG haplotype (T-549C, C-441/T, T-197C and G+1044A) was significantly more frequent in Group 1 women compared with the control groups (OR 53.4, 95%CI 10.3–554.8).Conclusions:A differential genomic pattern of PTGDR polymorphisms was identified in a sub-set of mothers which was associated with an increased risk of post-coital preterm birth.
- Subjects
PREMATURE infants; GENETIC polymorphisms; NEWBORN infants; MOTHERS; GENETIC research
- Publication
Journal of Perinatology, 2010, Vol 30, Issue 1, p33
- ISSN
0743-8346
- Publication type
Article
- DOI
10.1038/jp.2009.127