Insulin signaling in microglia: A metabolic switch controlling neuroinflammation and amyloid pathology in Alzheimer's disease.

Barone, Eugenio; Butterfield, D Allan · Cell Metab · 2025

basic_science · Level V

Where this comes from

Abstract

Insulin resistance is a risk factor for Alzheimer's disease (AD). Chen et al.<sup>1</sup> show that microglial insulin signaling is essential for metabolic homeostasis and immune regulation, while insulin resistance impairs Aβ clearance and promotes neuroinflammation in AD. Their findings reframe AD pathogenesis through a cell-type-specific lens.

Medical subject headings