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Blastocystis: view from atop the gut-brain iceberg
Steven Santino Leonardi1, Kevin Shyong-Wei Tan1
1Laboratory of Molecular and Cellular Parasitology, Healthy Longevity Translational Research Programme and Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2, Singapore 117545, Singapore.
Blastocystis, a common gut parasite, may impact human cognition and alter the gut microbiome. Recent research explores this connection and proposes a potential mechanism of action.
Area of Science:
- Microbiology
- Neuroscience
- Human Health
Background:
- Blastocystis is a prevalent intestinal protozoan parasite.
- This parasite has been associated with various gastrointestinal disorders.
Purpose of the Study:
- To review recent literature on Blastocystis's effects on human cognition.
- To explore the influence of Blastocystis on the gut microbiome composition.
- To propose a potential mechanism linking Blastocystis to cognitive function.
Main Methods:
- Literature review of recent publications.
- Analysis of studies investigating Blastocystis-host interactions.
- Synthesis of findings to propose a mechanistic hypothesis.
Main Results:
- Emerging evidence suggests a link between Blastocystis infection and altered cognitive function.
- Blastocystis colonization can significantly modify the gut microbial ecosystem.
- The parasite may influence the gut-brain axis through various pathways.
Conclusions:
- Blastocystis infections warrant further investigation for their neurological and cognitive implications.
- Understanding the gut microbiome alterations induced by Blastocystis is crucial.
- Further research is needed to elucidate the precise mechanisms underlying Blastocystis-mediated cognitive changes.
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