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Published on: November 20, 2015
Genetics, hormonal influences, and preterm birth
Kara M Rood1, Catalin S Buhimschi1
1Division Maternal Fetal Medicine, Department of Obstetrics & Gynecology, The Ohio State University Wexner Medical Center, 395 W 12th Ave, Columbus, OH 43215.
Insights
Understanding the genetic basis of preterm birth is crucial for preventing neonatal morbidity and mortality. While candidate gene and genome-wide studies are identifying risk variants, definitive results for personalized therapies are still lacking.
Area of Science:
- Reproductive biology
- Genetics
- Neonatal medicine
Background:
- Prematurity significantly contributes to neonatal morbidity and mortality.
- Maternal genetic and hormonal factors influence preterm birth risk.
- Current understanding of genetic predispositions for preterm birth remains incomplete.
Purpose of the Study:
- To review the current state of genetic and hormonal research in preterm birth.
- To identify potential genetic variants associated with preterm delivery risk.
- To assess the progress towards personalized therapeutic strategies for preventing premature birth.
Main Methods:
- Review of candidate gene studies.
- Analysis of genome-wide association studies (GWAS).
- Examination of hormonal signaling pathways involved in myometrial contractility.
Main Results:
- Candidate gene and GWAS approaches are exploring genetic variants linked to preterm birth.
- Progesterone signaling is a key hormonal pathway investigated.
- Studies have not yet yielded definitive results for clinical application.
Conclusions:
- Genetic research is advancing the understanding of preterm birth.
- Personalized therapies for preterm birth prevention are not yet established.
- Further research is needed to translate genetic findings into clinical practice.
Abstract:
Prematurity is a devastating disease with high neonatal morbidity and mortality based on gestational age at birth. Genetic and hormonal signals impact directly on the maternal predisposition to preterm birth or sudden onset of myometrial contractility. Candidate gene or genome-wide approaches are beginning to identify potential variants for women at risk for premature delivery or increased responsiveness to hormonal signals including progesterone. However, a majority of these studies have not yielded definitive results to allow for at this stage for development of personalized therapy.
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