Tianjin Medical Journal ›› 2024, Vol. 52 ›› Issue (3): 285-289.doi: 10.11958/20231956

• Experimental Research • Previous Articles     Next Articles

Protective effect of asiatic acid on brain injury after experimental subarachnoidhemorrhage in rats

WU Xiaoxiao1(), HU Yukun2, WU Jiang3,△()   

  1. 1. Suzhou Medical College of Soochow University, Suzhou 215000, China
    2. the Affiliated Changshu Hospital of Nantong University
    3. the First Affiliated Hospital of Soochow University
  • Received:2023-12-10 Revised:2023-12-25 Published:2024-03-15 Online:2024-03-13
  • Contact: △E-mail: szjiangwu@163.com

Abstract:

Objective To explore the neuroprotective effect of asiatic acid (AA) on brain damage after experimental subarachnoid hemorrhage (SAH) in rats. Methods A total of 108 adult SD rats were divided into the sham1 group, the SAH+vehicle group and the SAH+AA group, with 36 rats in each group. The 42 rats were divided into the sham2 group, 3, 6, 12, 24, 48 and 72 h after SAH groups, with 6 rats in each group. Except the sham group, SAH model was established by unilateral external carotid artery puncture method in other groups. After modeling, the SAH+AA group was given AA solution (30 mg/kg) by gavage. Neurobehavioral changes were assessed by foot fault test and modified Garcia score. Western blot assay was used to detect the protein level of glutathione peroxidase 4 (GPX4) in brain tissue. ELISA was used to detect the concentrations of glutathione (GSH) and malondialdehyde (MDA). Fluoro Jade B (FJB) staining was used to detect the neuronal death. Results Compared with the sham1 group, the SAH+vehicle group showed a significant increase in the proportion of empty steps and a significant decrease in the modified Garcia score, a significant decrease in GPX4 protein levels, a significant increase in MDA concentration (P<0.05), a decrease in GSH concentration (P<0.01) and a significant increase in the number of dead neurons (P<0.05). Compared with the SAH+vehicle group, a significant decrease in the proportion of empty steps, a significant increase in the modified Garcia score, a significant increase in GPX4 protein level, a significant decrease in MDA concentration, a significant increase in GSH concentration (P<0.05) and a significant decrease in the number of dead neurons in the SAH+AA group (P<0.05). Conclusion AA may reduce brain injury after SAH in rats by inhibiting lipid peroxidation.

Key words: asiatic acid, lipid peroxidation, subarachnoid hemorrhage, brain damage

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