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Electroacupuncture Improves Cognitive Function and Hippocampal Neurogenesis after Brain Irradiation
Xing-Wen Fan1,2, Huan-Huan Liu3, Hong-Bing Wang1,2
1a Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China, 200032; Departments of.
Radiation Research
|April 5, 2017
Summary
Electroacupuncture significantly improved cognitive function in rats after brain irradiation by restoring neurogenesis and reducing inflammation. This treatment offers a potential therapeutic approach for radiation-induced brain injury.
Area of Science:
- Neuroscience
- Radiology
- Integrative Medicine
Background:
- Brain irradiation can cause cognitive impairments, significantly impacting patient quality of life.
- Currently, no effective treatments exist for radiation-induced brain injury.
- Investigating novel therapeutic strategies is crucial for managing these debilitating effects.
Purpose of the Study:
- To investigate the therapeutic role of electroacupuncture in treating radiation-induced brain injury.
- To evaluate the effects of electroacupuncture on cognitive function, neurogenesis, and molecular changes in an irradiated rat model.
Main Methods:
- Rats were subjected to 10 Gy whole-brain irradiation.
- Electroacupuncture was administered pre- and post-irradiation.
- Behavioral tests, histology, and molecular studies were performed one month postirradiation.
Main Results:
- Electroacupuncture improved performance in cognitive and emotional behavioral tests.
- It partially restored hippocampal neurogenesis and modulated microglial activation.
- Electroacupuncture increased brain-derived neurotrophic factor (BDNF) expression in the hippocampus.
Conclusions:
- Electroacupuncture demonstrates a protective effect against radiation-induced brain injury.
- The treatment improves cognitive function and hippocampal neurogenesis.
- Observed benefits are linked to microglial modulation and BDNF upregulation.