The Journal of Pediatrics of Korean Medicine (대한한방소아과학회지)

The Association of Korean Oriental Pediatrics (대한한방소아과학회)
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ECS Modulating Effect of Scutellaria baicalensis Extract on inflammation relief in atopic dermatitis-induced mice

황금 (Scutellaria baicalensis) 추출물의 ECS조절을 통한 아토피피부염 염증 완화 효과

  • Ahn, Sang Hyun (Dept. of anatomy, college of Korean Medicine, Semyung University) ;
  • Kim, Ki Bong (School of Korean Medicine, Pusan National University)
  • 안상현 (세명대학교 한의과대학 해부학교실) ;
  • 김기봉 (부산대학교 한의학전문대학원)
  • Received : 2021.07.23
  • Accepted : 2021.08.23
  • Published : 2021.08.31
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Abstract

Objective The purpose of this study was to confirm the effect of Scutellaria baicalensis extract on skin damage recovery and inflammation relief in atopic dermatitis-induced mice through Endocannabinoid system (ECS) control. Methods 6-week-old Balb/C mice were divided into control group (Ctrl), atopic dermatitis induced group (ADE), palmitoylethanolamide (PEA) administered group after atopic dermatitis induced (PEAT), and Scutellaria baicalensis extract administered group after atopic dermatitis induced (SBT). Seven animals were assigned for each group. After drug administration for 3 weeks after inducing atopic dermatitis, Claudin and 8-OHdG were observed to confirm the recovery of the skin damage in each group. To confirm ECS regulation, CB1, CB2, and GPR55 were observed. To confirm the anti-inflammatory effect, Fc ε receptor, and MMP-9 was observed. Results Claudin positive reaction was significantly increased in SBT compared to ADE and PEAT. 8-OHdG positive reaction was significantly decreased in SBT compared to ADE and PEAT. CB1, CB2, and GPR55 positive responses were significantly increased in SBT compared to ADE and PEAT. Fc ε receptor and MMP-9 positivity were significantly decreased in SBT compared to ADE and PEAT. Conclusion It was confirmed that the Scutellaria baicalensis extract can reduce the inflammation of atopic dermatitis by restoring the structural damage of the skin lipid barrier through ECS activity.

Keywords

Acknowledgement

이 연구는 2019년도 정부의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업임 (No. NRF-2019R1A2C1002443).

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