Perioperative enriched environment attenuates postoperative cognitive dysfunction by upregulating microglia TREM2 via PI3K/Akt pathway in mouse model of ischemic stroke
2024

Enriched Environment Reduces Cognitive Dysfunction After Stroke in Mice

Sample size: 12 publication 10 minutes Evidence: moderate

Author Information

Author(s): Yao Yuchen, Hu Liru, Li Danni, Wang Yuhao, Pan Jian, Fan Dan

Primary Institution: Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China

Hypothesis

Activation of TREM2 by an enriched environment could improve neurological deficits and attenuate neuroinflammation triggered by surgical trauma via the PI3K/Akt signaling pathway in a mouse model of ischemic stroke.

Conclusion

The study found that an enriched environment can improve cognitive function and reduce neuroinflammation in mice with ischemic stroke.

Supporting Evidence

  • Enriched environment improved cognitive function in mice after ischemic stroke.
  • TREM2 expression was upregulated in the hippocampus of mice in enriched environments.
  • PI3K/Akt signaling pathway was activated in mice housed in enriched environments.
  • Neuroinflammation was significantly reduced in the hippocampus of mice in enriched environments.

Takeaway

Giving mice a fun and stimulating environment after a stroke helps them think better and feel less inflammation in their brains.

Methodology

Mice were divided into groups and subjected to ischemic stroke and enriched or standard environments, followed by various behavioral tests and analysis of inflammation markers.

Limitations

The study focused on short-term outcomes and did not explore long-term effects or the differentiation of microglial subtypes.

Participant Demographics

Eight-week-old male C57BL/6 mice weighing 20–23 g.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3389/fnins.2024.1520710

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