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Primed microglia are associated with accelerated decline in patients with neurodegenerative diseases, and a new study indicates that the dysregulation of certain proteins of the alternative complement pathway might trigger the priming process.
Two independent studies link mutant huntingtin to inactivation of the deacetylase enzyme SIRT1 and highlight a neuroprotective role for SIRT1 in mouse models of Huntington's disease.