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June 19, 2026Alcohol Clinical and Experimental ResearchOpen Access

Calpain‐4 Knockdown Modulates Cholesterol Metabolism and LXRα Nuclear Localization in Experimental Alcohol‐Related Liver Disease

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Authors

NKNoriko KitanoJLJiang LiSTSam Taborski

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Overview

Randomized trial investigates the role of calpain knockdown in cholesterol metabolism in mice, suggesting therapeutic strategies for liver disease.

Key Points

  • This study aims to investigate the role of calpain-4 in cholesterol metabolism within the context of alcohol-related liver disease.
  • Six-week-old C57Bl6/J mice were injected with rAAV8 vectors encoding Capns1 shRNA or control vectors.
  • Mice underwent 10 days of ad libitum ethanol consumption followed by a single gavaged ethanol administration.
  • Western blot analysis and RNA sequencing were performed to assess lipid and cholesterol metabolism.
  • Capns1 knockdown led to reduced cholesterol levels in the ethanol group.
  • HMGCR activity was decreased as indicated by an increased Cleaved-3-HMGCR to Pro-HMGCR ratio.
  • LXRα expression was relocalized to the nucleus following Capns1 knockdown, indicating altered cholesterol metabolism.

Cite This Study

Kitano et al. (2026) studied this question.

synapsesocial.com/papers/6a34dd4965a5b0777af2d17ahttps://doi.org/10.1111/acer.70356
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