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Effect of Astragali Radix on SPS-induced PTSD in Rats

황기(黃芪)가 흰쥐에서 SPS로 유도된 PTSD에 미치는 효과

  • Min, Ye-Eun (Ebian Oriental Medical Clinic) ;
  • Lee, Tae-Hee (Department of Formulae Pharmacology, College of Korean Medicine, Gachon University)
  • 민예은 (이비안 한의원) ;
  • 이태희 (가천대학교 한의과대학 방제학교실)
  • Received : 2022.02.28
  • Accepted : 2022.05.18
  • Published : 2022.08.31

Abstract

Objective : This study is conducted to investigate the effect of Astragali Radix on Post Traumatic Stress Disorder(PTSD) induced by the Single Proposed Stress(SPS). Methods : The experiment was conducted with five groups; SAL groups with only saline treatment, SPS group, SPS + ARX25 group, SPS + ARX50 group, and SPS + ARX100 group. After applying SPS, saline and ARX were administered for 14 days to identify the change of body weight, sucrose intake amount, and behavioral changes through Open Field Test(OFT) and Forced Swimming Test(FST). After the behavioral experiment, plasma corticosterone levels, serotonin, norepinephrine and dopamine concentrations were measured by enzyme-linked immunoassay in medical prefrontal cortex, hippocampus, and amygdala. Brain-derived neurotrophic factor(BDNF) in the hippocampus was measured using Reverse Transcription Polymerase Chain Reaction. Results : Weight change has significantly decreased in the SPS group compared to the SAL group(p<0.05). On day 14, the sucrose intake of rats has significantly increased in the SPS + ARX100 group compared to the SPS group(p<0.05). In OFT, the number of staying in the central space has significantly increased in the SPS + ARX100 group(p<0.01). In FST, immobility has significantly decreased in SPS + ARX50 group and SPS + ARX100 group(p<0.05). The concentration of serotonine, dopamine and BDNF expression has increased significantly in SPS + ARX100 group compared to SPS group(p<0.05) Conclusions : In the SPS-induced PTSD experiment, ARX increased sucrose intake and the numbers of crossing in the central zone space in OFT, decreased immobility time in FST, and increased concentration of serotonin, dopamine, and BDNF. It can be postulated that the ARX could be effective for the treatment of PTSD.

Keywords

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