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Linking periodontitis and adverse pregnancy outcomes through CD14+ CD16+ monocytes
Raghunathan Jagannathan1, Thodur Madapusi Balaji2, Saranya Varadarajan3
1Department of Periodontology, Tagore Dental College and Hospital, Chennai, India.
Insights
Periodontitis may increase risks for adverse pregnancy outcomes, including preterm birth. This study hypothesizes that specific immune cells, CD14+CD16+ monocytes, act as a link between gum disease and pregnancy complications.
Area of Science:
- Obstetrics and Gynecology
- Periodontology
- Immunology
Background:
- Adverse pregnancy outcomes and preterm birth significantly impact neonatal health globally.
- Periodontitis is a suspected risk factor for pregnancy complications.
- Elevated periodontal bacteria and cytokines in periodontitis may lead to placental infection and preterm delivery.
Purpose of the Study:
- To investigate the potential role of CD14+CD16+ monocytes in linking periodontitis to adverse pregnancy outcomes.
- To establish a mechanistic connection between periodontitis and pregnancy complications via these specific immune cells.
Main Methods:
- This study proposes a hypothesis based on existing literature.
- It examines the independent elevation of CD14+CD16+ monocytes in both periodontitis and adverse pregnancy outcomes.
- The research aims to derive a mechanistic link through these monocytes.
Main Results:
- CD14+CD16+ monocytes have been independently shown to be elevated in both periodontitis and adverse pregnancy outcomes.
- A direct causal link via these monocytes has not been previously established.
- This hypothesis proposes a novel mechanistic pathway.
Conclusions:
- CD14+CD16+ monocytes are hypothesized to be a crucial link between periodontitis and adverse pregnancy outcomes.
- Further research is warranted to confirm the role of these monocytes in pregnancy complications associated with periodontitis.
- Understanding this link could lead to new preventative strategies for preterm birth.
Abstract:
One of the prevalent medical issues that deserve global attention is adverse pregnancy outcomes and preterm low birth weight deliveries which have a significant impact on neonatal health. Periodontitis has been implicated as a significant risk factor for adverse effects in pregnancy. Elevated levels of periodontal pathogenic bacteria and proinflammatory cytokines which are pathognomonic features of periodontitis are believed to cause placental infection and premature rupture of the amniotic membrane consequently leading to preterm delivery. The role of CD14+CD16+ monocytes as a causal link between periodontitis and adverse pregnancy outcomes has not been researched so far, although an elevation of these cells has been independently demonstrated in both conditions. With the available background information, this hypothesis attempts to derive a mechanistic link between periodontitis and adverse pregnancy outcomes through the participation of CD14+CD16+ monocytes.

