What molecular mechanisms explain how DGAT deletion exacerbates neurodegeneration in tauopathy?

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Description

While DGAT knockout worsens neurodegeneration and increases cholesteryl esters, the causal pathway linking impaired lipid droplet formation to neuronal death remains unexplained. Understanding this mechanism is critical for developing lipid-modulating therapies for tau-related diseases.

Gap type: unexplained_observation Source paper: Inducible deletion of DGAT1 and 2 from microglia exacerbates neurodegeneration and endolysosomal lipid accumulation in male PS19 mice. (2026, Cell reports, PMID:41546868)

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