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Neonatal Genetic Variation in Steroid Metabolism and Key Respiratory Function Genes and Perinatal Outcomes in Single and Multiple Courses of Corticosteroids
Journal article   Open access   Peer reviewed

Neonatal Genetic Variation in Steroid Metabolism and Key Respiratory Function Genes and Perinatal Outcomes in Single and Multiple Courses of Corticosteroids

K S Borowski, E A S Clark, Y Lai, R J Wapner, Y Sorokin, A M Peaceman, J D Iams, K J Leveno, M Harper, S N Caritis, …
American journal of perinatology, v 32(12), pp 1126-1132
Oct 2015
PMID: 26445141
url
https://cdr.lib.unc.edu/downloads/js956n541View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Adrenal Cortex Hormones - administration & dosage Adrenal Cortex Hormones - adverse effects Adult Female Genotype Gestational Age Humans Infant, Newborn Infant, Small for Gestational Age Logistic Models Male Polymorphism, Single Nucleotide Pregnancy Premature Birth - chemically induced Respiratory Distress Syndrome, Newborn - prevention & control Respiratory Function Tests
The aim of the study is to evaluate the association of steroid metabolism and respiratory gene polymorphisms in neonates exposed to antenatal corticosteroids (ACS) with respiratory outcomes, small for gestational age (SGA), and response to repeat ACS. This candidate gene study is a secondary analysis of women enrolled in a randomized controlled trial of single versus weekly courses of ACS. Nineteen single nucleotide polymorphisms (SNPs) in 13 steroid metabolism and respiratory function genes were evaluated. DNA was extracted from placenta or fetal cord serum and analyzed with TaqMan genotyping. Each SNP was evaluated for association via logistic regression with respiratory distress syndrome (RDS), continuous positive airway pressure (CPAP)/ventilator use (CPV), and SGA. CRHBP, CRH, and CRHR1 minor alleles were associated with an increased risk of SGA. HSD11B1 and SCNN1B minor alleles were associated with an increased likelihood of RDS. Carriage of minor alleles in SerpinA6 was associated with an increased risk of CPV. CRH and CRHR1 minor alleles were associated with a decreased likelihood of CPV. Steroid metabolism and respiratory gene SNPs are associated with respiratory outcomes and SGA in patients exposed to ACS. Risks for respiratory outcomes are affected by minor allele carriage as well as by treatment with multiple ACS.

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#3 Good Health and Well-Being
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Collaboration types
Domestic collaboration
Web of Science research areas
Obstetrics & Gynecology
Pediatrics
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