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February 28, 2026Neuron0 citations

Beyond blood pressure: Angiotensin II drives early brain injury

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MRMadigan M. ReidAYAndrew C. Yang

Key Points

  • This research examines how angiotensin II contributes to brain injury and cognitive decline in the context of hypertension.
  • Investigated the effects of angiotensin II on various brain cell types, including endothelium and oligodendrocyte precursors.
  • Analyzed AT1 signaling's role in brain injury independent of blood pressure.
  • Angiotensin II was shown to damage endothelium, oligodendrocyte precursors, and interneurons.
  • Impairment in these cells was linked to cognitive decline, stressing the importance of targeting the AT1 pathway.

Abstract

The mechanisms linking hypertension to cognitive decline remain unclear. Schaeffer et al. show that angiotensin II damages endothelium, oligodendrocyte precursors, and interneurons via AT1 signaling, independent of blood pressure. Targeting this pathway may protect the brain beyond pressure control alone.1.

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Reid et al. (2026) studied this question. Angiotensin II drives early brain injury by damaging endothelium, oligodendrocyte precursors, and interneurons via AT1 signaling, independent of blood pressure.

synapsesocial.com/papers/6a025a6e9cddff7633412c2chttps://doi.org/10.1016/j.neuron.2026.01.005
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