Lab-Created Protein Fragments Linked to Key Features of ALS and Frontotemporal Dementia

Researchers have identified a mechanism that triggers the accumulation of TDP-43, a protein associated with amyotrophic lateral sclerosis (ALS) and frontotemporal dementia. A study published in Neuron outlines how laboratory-generated fragments of TDP-43 can initiate this buildup, which is considered a hallmark of both neurodegenerative conditions.

The investigation focused on the role of TDP-43 protein “seeds” in promoting pathological changes. Scientists created specific fragments of the protein in controlled lab settings and observed their ability to induce aggregation. This accumulation mirrors what occurs in patients diagnosed with ALS and frontotemporal dementia, where TDP-43 aggregates are commonly found in affected brain regions. The findings provide insight into how these diseases may develop at the molecular level, offering researchers a clearer understanding of their progression.

Date: March, 2025

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Author

Mark Chiang

紐約 NYU Computer Science 碩士 紐澤西 UMDNJ Biomedical Informatics 博士 中研院博士後 台灣大學博士後