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DHCR24 Emerges as a Promising Target in Enhancing Cognitive Function.

Zhang Lu1,2,3, Tang Fei1,2, Jiang Yuequan1,2

  • 1Center of Thoracic Cancer, Chongqing University Cancer Hospital, Chongqing, 400030, China.

Current Neuropharmacology
|April 1, 2026
PubMed
Summary

Downregulating DHCR24 (3β-dehydrocholesterol-Δ24-reductase) impairs cognitive function and synaptic plasticity in mice. This highlights DHCR24 as a potential therapeutic target for neurodegenerative diseases like Alzheimer's.

Keywords:
Cognitive functionDHCR24GluA2endogenous neural stem cellssynaptic plasticity.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Gerontology

Background:

  • Cognitive decline is a growing concern in aging populations, with limited treatments for neurodegenerative diseases like Alzheimer's.
  • DHCR24 (3β-dehydrocholesterol-Δ24-reductase) shows neuroprotective potential in Alzheimer's by reducing oxidative stress.

Purpose of the Study:

  • To investigate the molecular mechanisms by which DHCR24 influences cognitive learning.
  • To explore DHCR24's role in neural stem cell differentiation and synaptic plasticity.

Main Methods:

  • Pharmacological downregulation of DHCR24 in a mouse model.
  • Slice patch-clamp recordings to assess synaptic plasticity.
  • Barnes-Maze testing for learning and memory evaluation.
  • Fluorescence immunohistochemistry for neural stem cell analysis.

Main Results:

  • Suppression of DHCR24 led to inhibited neural stem cell differentiation and reduced GluA2 expression.
  • AMPA receptor-mediated synaptic plasticity was attenuated.
  • Pharmacological inhibition of DHCR24 resulted in significant cognitive impairment in mice.

Conclusions:

  • DHCR24 plays a crucial role in modulating cognitive function.
  • DHCR24 is implicated as a key factor in learning and memory processes.
  • DHCR24 presents a novel therapeutic target for cognitive enhancement and neurodegenerative disease research.