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Published on: June 24, 2020
The Role of Antimicrobial Peptides in Preterm Birth
Ga-Hyun Son1,2, Jae-Jun Lee2,3, Youngmi Kim2
1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Hallym University College of Medicine, Kangnam Sacred Heart Hospital, Seoul 07441, Korea.
Insights
Antimicrobial peptides (AMPs) are crucial for immune balance in the reproductive tract. Understanding their role in preterm birth (PTB) is essential, as altered AMPs are linked to PTB causes like infection and inflammation.
Area of Science:
- Reproductive immunology
- Infectious diseases
- Molecular biology
Background:
- Antimicrobial peptides (AMPs) are key innate immune molecules with broad antimicrobial activity.
- AMPs modulate immune homeostasis within the reproductive tract.
- Intra-amniotic infection and microbial dysbiosis are significant contributors to preterm birth (PTB).
Purpose of the Study:
- To review the expression patterns of AMPs in the context of PTB.
- To explore the association between AMP dysregulation and PTB development.
- To offer novel insights into the functional role of AMPs in PTB.
Main Methods:
- Literature review of studies investigating AMPs in PTB.
- Analysis of reported AMP expression changes in PTB-related conditions.
- Synthesis of current knowledge on AMPs and pregnancy outcomes.
Main Results:
- Altered AMP expression is observed in clinical scenarios associated with PTB, including preterm labor, intra-amniotic infection/inflammation, premature rupture of membranes, and cervical insufficiency.
- Evidence suggests that dysregulation of AMPs can negatively impact pregnancy prognosis.
- Specific AMPs and their expression levels are implicated in the pathophysiology of PTB.
Conclusions:
- AMPs play a significant role in the immune defense of the reproductive tract during pregnancy.
- Aberrant AMP expression is a potential biomarker and contributing factor in PTB.
- Further research into AMPs offers promising avenues for understanding and potentially preventing PTB.
Abstract:
Antimicrobial peptides (AMPs) are short cationic amphipathic peptides with a wide range of antimicrobial properties and play an important role in the maintenance of immune homeostasis by modulating immune responses in the reproductive tract. As intra-amniotic infection and microbial dysbiosis emerge as common causes of preterm births (PTBs), a better understanding of the AMPs involved in the development of PTB is essential. The altered expression of AMPs has been reported in PTB-related clinical presentations, such as preterm labor, intra-amniotic infection/inflammation, premature rupture of membranes, and cervical insufficiency. Moreover, it was previously reported that dysregulation of AMPs may affect the pregnancy prognosis. This review aims to describe the expression of AMPs associated with PTBs and to provide new perspectives on the role of AMPs in PTB.
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