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Published on: July 13, 2014
Perinatal exposure to alcohol: implications for lung development and disease
Danielle Giliberti1, Sowmya S Mohan, Lou Ann S Brown
1Department of Paediatrics, Division of Neonatal-Perinatal Medicine, Emory University, Emory Children's Centre for Developmental Lung Biology, 2015 Uppergate Dr. NE, Atlanta, GA 30322, USA. danielle.giliberti@emory.edu
Insights
Prenatal alcohol exposure harms newborns, increasing preterm birth risk. New biomarkers are crucial for identifying exposed infants and understanding alcohol
Area of Science:
- Neonatal health
- Biomarker discovery
- Toxicology
Background:
- Prenatal alcohol exposure is a significant risk factor for premature delivery.
- Most newborns exposed to alcohol in utero are not identified by healthcare providers.
- Lack of identification hinders understanding of alcohol's impact on neonatal organ development, particularly the lungs.
Purpose of the Study:
- To review potential advancements in biomarkers for detecting alcohol exposure in newborns.
- To discuss alcohol's effects on neonatal lung redox homeostasis and cellular development.
- To examine alcohol's disruption of neonatal immunity and increased risk of lung infections.
Main Methods:
- Literature review of existing and emerging biomarkers for prenatal alcohol exposure.
- Analysis of studies on alcohol's impact on neonatal lung physiology and cellular processes.
- Review of research on alcohol-induced immune dysregulation in neonates.
Main Results:
- Current methods for detecting in utero alcohol exposure in newborns are limited.
- Alcohol exposure affects redox balance and cellular development in the neonatal lung.
- Prenatal alcohol exposure impairs both innate and adaptive immunity, increasing susceptibility to lung infections.
Conclusions:
- Reliable biomarkers are urgently needed to identify alcohol-exposed newborns.
- Understanding alcohol's mechanisms of harm in the neonatal lung is critical for improving care.
- Further research will advance the management of this vulnerable population.
Abstract:
In utero alcohol exposure dramatically increases the risk of premature delivery. However, the majority of premature and term newborns exposed to alcohol remain undetected by medical caregivers. There is a desperate need for reliable and accurate biomarkers of alcohol exposure for the term and premature newborn population. The inability to identify the exposed newborn severely limits our understanding of alcohol's pathophysiological effects on developing organs such as the lung. This chapter will review potential advancements in future biomarkers of alcohol exposure for the newborn population. We will discuss alcohol's effects on redox homeostasis and cellular development of the neonatal lung. Finally, we will present the evidence describing in utero alcohol's derangement of innate and adaptive immunity and risk for infectious complications in the lung. Continued investigations into the identification and understanding of the mechanisms of alcohol-induced alterations in the premature lung will advance the care of this vulnerable patient population.
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