ArticleAmerican journal of reproductive immunology (New York, N.Y. : 1989)2024
The antioxidant N-acetyl cysteine inhibits cytokine and prostaglandin release in human fetal membranes stimulated ex vivo with lipoteichoic acid or live group B streptococcus.
Article in American journal of reproductive immunology (New York, N.Y. : 1989), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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7 authors at 4 institutions in 1 country.
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Abstract
backgroundsInfection during pregnancy is a significant public health concern due to the increased risk of adverse birth outcomes. Group B Streptococcus or Streptococcus agalactiae (GBS) stands out as a major bacterial cause of neonatal morbidity and mortality. We aimed to explore the involvement of reactive oxygen species (ROS) and oxidative stress pathways in pro-inflammatory responses within human fetal membrane tissue, the target tissue of acute bacterial chorioamnionitis.
methodsWe reanalyzed transcriptomic data from fetal membrane explants inoculated with GBS to assess the impact of GBS on oxidative stress and ROS genes/pathways. We conducted pathway enrichment analysis of transcriptomic data using the Database for Annotation, Visualization and Integrated Discovery (DAVID), a web-based functional annotation/pathway enrichment tool. Subsequently, we conducted ex vivo experiments to test the hypothesis that antioxidant treatment could inhibit pathogen-stimulated inflammatory responses in fetal membranes.
resultsUsing DAVID analysis, we found significant enrichment of pathways related to oxidative stress or ROS in GBS-inoculated human fetal membranes, for example, "Response to Oxidative Stress" (FDR = 0.02) and "Positive Regulation of Reactive Oxygen Species Metabolic Process" (FDR = 2.6*10
conclusionsOur study sheds light on the potential roles of ROS in governing the innate immune response to GBS infection, offering insights for developing strategies to mitigate GBS-related adverse outcomes.
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