Young Rat Microbiota Extracts Inhibit Alpha-Synuclein Fibrillation
Author Information
Author(s): Shiraz Mohaddeseh Ghorbani, Nielsen Janni, Widmann Jeremias, Chung Ka Hang Karen, Davis Thomas Paul, Rasmussen Casper, Scavenius Carsten, Enghild Jan J., Martin-Gallausiaux Camille, Singh Yogesh, Javed Ibrahim, Otzen Daniel E.
Primary Institution: Aarhus University
Hypothesis
Can extracts from the microbiome of young rats inhibit the aggregation of alpha-synuclein?
Conclusion
The study found that extracts from the gut microbiome of young rats can strongly inhibit the aggregation of alpha-synuclein and protect neuroblastoma cells and zebrafish embryos from its toxicity.
Supporting Evidence
- Extracts from young rats showed strong inhibitory activity against alpha-synuclein aggregation.
- Proteomic analysis identified DnaK as a potential inhibitor of fibrillation.
- Microbiome extracts protected neuroblastoma cells from alpha-synuclein toxicity.
- Zebrafish embryos injected with extracts showed reduced toxicity from alpha-synuclein.
Takeaway
Young rats have special gut bacteria that can stop a harmful protein from clumping together, which helps protect their brain cells.
Methodology
Fecal samples from transgenic and wild-type rats were collected, and soluble extracts were tested for their ability to inhibit alpha-synuclein aggregation in vitro and in cellular models.
Limitations
The study's findings are based on single replicates for some measurements due to limited sample amounts.
Participant Demographics
Young transgenic and wild-type rats aged 2 to 14 months were used in the study.
Digital Object Identifier (DOI)
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