What determines the specificity of TDP-43-induced mitochondrial DNA release for motor neurons versus other cell types in ALS?

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Description

While the study establishes TDP-43 triggers mtDNA release via mPTP to activate cGAS/STING, it’s unclear why this pathway preferentially affects motor neurons in ALS when TDP-43 pathology occurs in multiple cell types. Understanding this selectivity is crucial for targeted therapeutic interventions.

Gap type: unexplained_observation Source paper: TDP-43 Triggers Mitochondrial DNA Release via mPTP to Activate cGAS/STING in ALS. (2020, Cell, PMID:33031745)

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