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Biotin mitigates the development of manganese-induced, Parkinson's disease-related neurotoxicity in Drosophila and human neurons

5 months 1 week ago
Chronic exposure to manganese (Mn) induces manganism and has been widely implicated as a contributing environmental factor to Parkinson's disease (PD), featuring notable overlaps between the two in motor symptoms and clinical hallmarks. Here, we developed an adult Drosophila model of Mn toxicity that recapitulated key parkinsonian features, spanning behavioral deficits, neuronal loss, and dysfunctions in lysosomes and mitochondria. Metabolomics analysis of the brain and body tissues of these...
Yunjia Lai

Parental origin of transgene modulates amyloid-beta plaque burden in the 5xFAD mouse model of Alzheimer's disease

5 months 1 week ago
In Alzheimer's disease (AD) research, the 5xFAD mouse model is commonly used as a heterozygote crossed with other genetic models to study AD pathology. We investigated whether the parental origin of the 5xFAD transgene affects plaque deposition. Using quantitative light-sheet microscopy, we found that paternal inheritance of the transgene led to a 2-fold higher plaque burden compared with maternal inheritance, a finding consistent across multiple 5xFAD colonies. This effect was not due to...
Andrew Octavian Sasmita