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Preterm labour and delivery: a genetic predisposition
1Department of Obstetrics and Gynecology, University of Utah, 50 North Medical Drive, Salt Lake City, UT 84132, USA. uvddizon@ihc.com
Insights
Genetic factors may predispose women to preterm delivery (PTD), a major cause of infant mortality. Identifying these genetic links could revolutionize PTD prediction and treatment.
Area of Science:
- Reproductive Medicine
- Genetics
- Neonatal Health
Background:
- Preterm delivery (PTD) affects 10% of US pregnancies, causing significant neonatal morbidity and mortality.
- Despite research, PTD rates and associated complications like cerebral palsy remain high.
- The causes and mechanisms of PTD are largely unknown, hindering effective treatment.
Purpose of the Study:
- To explore the hypothesis that genetic predisposition contributes to PTD.
- To review evidence supporting a genetic link to preterm labor.
- To discuss molecular techniques and candidate genes for PTD genetic research.
Main Methods:
- Review of existing evidence on genetic predisposition to PTD.
- Discussion of molecular techniques for studying preterm labor genetics.
- Identification of potential candidate genes for future investigation.
Main Results:
- Growing evidence suggests a genetic component in PTD susceptibility.
- Discovery of specific gene mutations could significantly advance PTD research.
- Proposed molecular techniques and candidate genes offer avenues for further study.
Conclusions:
- Genetic predisposition is a plausible contributing factor to PTD.
- Further genetic research is crucial for understanding, predicting, and treating PTD.
- Identifying genetic factors represents a potential breakthrough in managing preterm birth.
Abstract:
Preterm delivery (PTD) complicates as many as 10% of pregnancies in the United States. Moreover, prematurity accounts for more than 70% of the consequent neonatal and infantile morbidity and mortality. Serious long-term complications include cerebral palsy, respiratory disease, blindness and deafness. Despite substantial basic scientific, translational and clinical investigation in recent years, the PTD rate (10%) and the low birthweight rate (7%) remain largely unchanged. Indeed, the very aetiology and pathophysiology of PTD remain unknown in most cases. In short, PTD continues to constitute a major clinical and public health challenge of the highest order, a circumstance further compounded by the controversy surrounding the efficacy of current therapeutic regimens. In an effort to address the relevant knowledge gap, we put forth the hypothesis that PTD results, at least in part, from a genetic predisposition. Evidence supporting the hypothesis that certain women have a genetic predisposition to deliver preterm is growing. Moreover, the discovery of a gene mutation predisposing to PTD would constitute a major breakthrough for future research into the biology, prediction, and therapy of preterm labour. Presented here is a discussion of the evidence to support a genetic predisposition to PTD, molecular techniques proposed to study the genetics of preterm labour, and plausible candidate genes that warrant further investigation.