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A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
Published on: June 24, 2020
Chorioamnionitis in utero, schizophrenia in adulthood: limited current evidence-future research focus?
Despina D Briana1, Ariadne Malamitsi-Puchner1
1NICU, 3rd Department of Pediatrics, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
Insights
Prenatal inflammation, specifically chorioamnionitis, may impact fetal brain development, potentially increasing schizophrenia risk in genetically susceptible individuals. This review explores the link between intrauterine inflammation and schizophrenia development.
Area of Science:
- Neuroscience
- Developmental Biology
- Psychiatry
Background:
- Early life programming during gestation can alter fetal brain development, affecting structure and function.
- Schizophrenia's developmental origins are linked to prenatal factors like infections in genetically predisposed individuals.
- Inflammatory-immune and oxidative stress pathways are implicated in intrauterine infection-induced neurodevelopmental disorders.
Purpose of the Study:
- To review current evidence on the association between chorioamnionitis and schizophrenia.
- To address the knowledge gap in fetal programming of schizophrenia due to intrauterine inflammation.
Main Methods:
- Literature review focusing on chorioamnionitis and schizophrenia.
- Consolidation of evidence from human and animal studies.
Main Results:
- Emerging evidence suggests a potential link between prenatal infections, specifically chorioamnionitis, and schizophrenia development.
- Genetic predisposition and epigenetic factors interact with environmental influences like inflammation.
Conclusions:
- Chorioamnionitis represents a significant intrauterine inflammatory condition with potential implications for fetal brain programming.
- Further research is needed to elucidate the precise mechanisms linking chorioamnionitis to schizophrenia.
Abstract:
Background: Developmental adaptive processes during gestation that are known to be involved in permanent changes in physiology and metabolism or "early life programming" can adversely affect fetal brain development, impacting both brain structure and function.Data: Emerging evidence strongly supports the developmental origin of schizophrenia, which may potentially be a result of prenatal exposure to a diversity of factors, especially infections, in genetically predisposed subjects. Structural and functional brain changes during development of schizophrenia are determined by genetic components, altered expression of schizophrenia risk genes and epigenetic dysregulation. However, the precise mechanisms underlying these relationships remain unclear. Findings from human and animal studies suggest that inflammatory-immune responses and activation of oxidative stress pathways are crucial in mediating intrauterine infection-induced neurodevelopmental and neuropsychiatric diseases.Aim: Considering the high prevalence of intrauterine inflammation in the context of chorioamnionitis during human pregnancy and the paucity of knowledge on fetal programming of schizophrenia, this mini review aims to exclusively consolidate the current evidence supporting a potential association between chorioamnionitis and schizophrenia.
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