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<p>Epidemiological studies have shown that lower activity of the cholesteryl ester transfer protein (CETP) correlates with reduced Alzheimer’s disease (AD) risk. While small-molecule CETP inhibitors like evacetrapib have previously been assessed for cardiovascular diseases, their involvement in AD has not been investigated. Here, we establish CETP as a novel pharmacological target for AD treatment. Using CETP transgenic mice crossed to a mouse model of amyloidosis and administering evacetrapib, we provide evidence that CETP inhibition maintained memory independent of classic AD markers, likely through maintained vascular health, while increasing hippocampal cholesterol and altering plasma lipoproteins. Using proteomic data of cerebrospinal fluid (CSF) from cognitively unimpaired individuals at risk for AD in the PResymptomatic EValuation of Experimental or Novel Treatments for AD (PREVENT-AD) cohort, we confirm that our mouse model reflects physiological changes in pre-symptomatic human subjects. We propose the repurposing of CETP inhibitors as an effective therapeutic strategy to delay or prevent cognitive impairment in AD.</p>

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Reducing CETP activity prevents memory decline in an Alzheimer’s disease mouse model

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年8月3日

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  • Jasmine Phénix,
  • Isabel Sarty,
  • Megan S Katz,
  • Antonio Vázquez Cobá,
  • Aarón Ernesto Marure Rojano,
  • Hannah Nie,
  • Anja Kerksiek,
  • Indie Jerry,
  • Clara S Berger,
  • Robert S Kiss,
  • Dieter Lütjohann,
  • William A Pastor,
  • Judes Poirier,
  • Lisa Marie Munter

摘要

Epidemiological studies have shown that lower activity of the cholesteryl ester transfer protein (CETP) correlates with reduced Alzheimer’s disease (AD) risk. While small-molecule CETP inhibitors like evacetrapib have previously been assessed for cardiovascular diseases, their involvement in AD has not been investigated. Here, we establish CETP as a novel pharmacological target for AD treatment. Using CETP transgenic mice crossed to a mouse model of amyloidosis and administering evacetrapib, we provide evidence that CETP inhibition maintained memory independent of classic AD markers, likely through maintained vascular health, while increasing hippocampal cholesterol and altering plasma lipoproteins. Using proteomic data of cerebrospinal fluid (CSF) from cognitively unimpaired individuals at risk for AD in the PResymptomatic EValuation of Experimental or Novel Treatments for AD (PREVENT-AD) cohort, we confirm that our mouse model reflects physiological changes in pre-symptomatic human subjects. We propose the repurposing of CETP inhibitors as an effective therapeutic strategy to delay or prevent cognitive impairment in AD.