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Published on: October 10, 2025
The matrix metalloproteases and endothelin-1 in infection-associated preterm birth
Nicole S Olgun1, Sandra E Reznik
1Department of Pharmaceutical Sciences, College of Pharmacy and Allied Health Professions, St. John's University, St. Albert Hall G018-B, 8000 Utopia Parkway, Jamaica, NY 11439, USA.
Insights
Preterm birth, a leading cause of infant mortality, is often linked to intrauterine infection. This study explores how matrix metalloproteinases (MMPs) and endothelin-1 (ET-1) may contribute to infection-associated preterm labor.
Area of Science:
- Obstetrics and Gynecology
- Molecular Biology
- Reproductive Science
Background:
- Preterm birth (PTB) is a major obstetric challenge, accounting for 12-13% of US births and being the primary cause of perinatal mortality.
- Intrauterine infection is the most common cause of PTB, yet no FDA-approved therapies exist.
- Matrix metalloproteinases (MMPs) and endothelin-1 (ET-1) are implicated in parturition and infection-associated PTB.
Purpose of the Study:
- To investigate the role of MMPs and ET-1 in the molecular pathway of infection-associated preterm birth.
- To understand the pathogenesis of preterm labor (PTL) to identify potential therapeutic targets.
Main Methods:
- Review of existing evidence linking MMPs and ET-1 to preterm birth.
- Focus on the molecular pathway shared by MMPs and ET-1 in infection-associated PTL.
Main Results:
- Evidence suggests MMPs are involved in normal and infection-triggered parturition.
- Evidence indicates a role for ET-1 in infection-associated preterm delivery.
- This paper consolidates evidence that MMPs and ET-1 function within the same molecular pathway leading to PTB.
Conclusions:
- MMPs and ET-1 are key molecular players in infection-associated preterm birth.
- Understanding this shared pathway is crucial for developing new therapies for PTB.
- Further research into this pathway could lead to interventions for preventing preterm labor.
Abstract:
Preterm birth (PTB) is clinically defined as any delivery which occurs before the completion of 37 weeks of gestation, and is currently the most important problem in obstetrics. In the United States, PTB accounts for 12-13% of all live births, and, with the exception of fetuses suffering from anomalies, is the primary cause of perinatal mortality. While the risk factors for PTB are numerous, the single most common cause is intrauterine infection. As there is currently no FDA-approved therapy for infection-associated PTB, understanding the pathogenesis of preterm labor (PTL) and delivery should be given high priority. The matrix metalloproteinases (MMPs) are a family of enzymes that have been implicated in normal parturition as well as infection-triggered rupture of membranes and preterm birth. Several lines of evidence also suggest a role for endothelin-1 (ET-1) in infection-associated preterm delivery. This paper focuses on the evidence that the MMPs and ET-1 act in the same molecular pathway in preterm birth.
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