Clinical research
Maternal mRNA expression levels of H19 are inversely associated with risk of macrosomia
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Submission date: 2011-12-07
Final revision date: 2012-02-22
Acceptance date: 2012-04-01
Online publication date: 2014-06-27
Publication date: 2014-06-30
Arch Med Sci 2014;10(3):525-530
Introduction: To investigate the associations between the mRNA levels of H19 in term placenta and risk of macrosomia.
Material and methods: Term placentas were collected from 37 macrosomia and 37 matched neonates with normal birth weight (controls) born in Changzhou Women and Children Health Hospital, Jiangsu province, P. R. China from March 1 to June 30, 2008. The mRNA levels of H19 in those placentas were measured by real-time polymerase chain reaction (PCR). Simple and multiple logistic regression models were used to explore the risk factors in the development of macrosomia. All analyses were performed using Stata 10.0 (StataCorp, College Station, Texas, USA).
Results: The average H19 mRNA level of the macrosomia group was 1.450 ±0.456 while in the control group it was 2.080 ±1.296. Based on the result of Student’s t test, there was a significant difference in H19 mRNA level between the macrosomia group and the control group (p = 0.008). After controlling for potential confounders, the multivariable adjusted odds ratio (OR) of macrosomia for those in the highest tertile of H19 mRNA level was 0.12 (95% CI: 0.02–0.59) when compared to those in the lowest tertile (p for linear trend = 0.009).
Conclusions: The term placental H19 mRNA levels were inversely related to the occurrence of macrosomia. Our findings suggest that the low expression of H19 mRNA may contribute to the development of macrosomia.
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