Nanoimaging Technology Sheds Light on how Manganese Contributes to the Development of Parkinsonism

2/10/2019

A new study by Carmona et al. (2019) suggests that a mutation in a gene (Slc30a10) implicated in familial forms of parkinsonism plays a role in the accumulation of manganese (Mn) within the golgi apparatus of cells. This gene encodes for a cell surface protein involved in the efflux of Mn which protects the cell against Mn toxicity. Mutations in this gene result in synthesis of a defective protein that does not does not function properly resulting in accumulation of Mn within the cell. Carmona and colleagues (2019) used a newly developed SXRF cryogenic nanoimaging technology to show that Mn gets trapped inside vesicles within the Golgi apparatus (see image below) suggesting that interactions between Mn and vesicular trafficking machinery may play a role in the parkinsonism.

Link to story in Physics World by Belle Dumé

Link to citation in PubMed

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