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Effect of Halophyte (Spartina anglica and Calystegia soldanella) Extracts on Skin Moisturizing and Barrier Function in HaCaT Cells

염생식물인 갯끈풀과 갯메꽃 추출물의 HaCaT 세포에서 피부 보습 및 피부 장벽 기능에 미치는 영향

  • Ha, Yuna (Research Institute of Basic Sciences, Incheon National University) ;
  • Jeong, JaeWoo (Incos Co., Ltd.) ;
  • Lee, Won Hwi (Research Institute of Basic Sciences, Incheon National University) ;
  • Oh, Jun Hyuk (Department of Marine Sciences, Incheon National University) ;
  • Kim, Youn-Jung (Research Institute of Basic Sciences, Incheon National University)
  • Received : 2021.10.15
  • Accepted : 2021.10.27
  • Published : 2021.12.15

Abstract

As aging progresses, reactive oxygen species (ROS) reduces skin moisturization and collapses skin barrier function. In this study, we evaluated the efficacy of skin moisturizing and skin barrier function enhancement by extracts from halophytes using HaCaT cells. Spartina anglica (S. anglica; SAE) and Calystegia soldanella (C. soldanella; CSE), a kind of halophytes, were collected from Dongmak beach in Incheon, and extracted with 70% ethanol. At the first, we evaluated the cytotoxicity of extracts in HaCaT cell using WST-8 Kit. As a result, the other experiment was conducted by setting the concentration at which the cell viability was 90% or more. SAE and CSE showed high radical scavenging activity through ABTS assay. Expression levels of genes related to skin moisturizing and skin barrier functions, were analyzed by real-time qPCR. As a result, it showed that the expression of aquaporin 3, hyaluronan synthase 2, and transglutaminase 1 was increased by SAE treatment but not changed by CSE. Activation of extracellular signal regulated kinase (ERK), c-Jun N-terminal kinase (JNK), and p38 mitogen activated protein kinase was induced by SAE. These results suggest that SAE can be used as functional materials for cosmetics for skin moisturizing and barrier function enhancement.

노화가 진행될수록 활성산소종으로 인하여 피부 보습은 떨어지고 피부 장벽은 붕괴되어 피부가 손상된다. 본 연구에서는 인천 동막 해변에 서식하는 염생식물인 갯끈풀(Spartina anglica; SAE)과 갯메꽃(Calystegia soldanella; CSE)을 70% 에탄올(EtOH)로 추출하여 피부 보습 및 피부 장벽 기능 강화에 대한 효능을 평가하였다. 이 추출물들에 대한 피부 각질형성세포(HaCaT cell)에서 세포독성을 WST-8 assay를 이용하여, 세포 생존율이 90% 이상을 보이는 농도를 선별하여 추가 실험을 진행하였다. ABTS 라디칼 소거능을 통해 항산화 효과를 확인한 결과, SAE와 CSE는 높은 라디칼 소거능을 보였다. 피부 보습과 관련된 인자들인 filaggrin (FGL), aquaporin 3(AQP3), hyaluronan synthase 2 (HAS2)과 피부 장벽 기능과 연관 있는 transglutaminase 1 (TGM1)과 involucrin (INV)의 유전자 수준에서의 발현 변화를 측정한 결과, SAE에 의해 AQP3, HAS2, TGM1의 발현이 증가하였으나, CSE는 변화가 없는 것을 확인할 수 있었다. SAE에 의한 세포 내 신호전달 경로를 확인하기 위해 western blot 분석을 수행하였다. Extracellular signal regulated kinase (ERK), c-Jun N-terminal kinase (JNK) and p38 mitogen activated protein kinase의 활성이 SAE에 의하여 상향 조절되었음을 확인하였다. 이러한 결과는 갯끈풀 추출물이 피부 보습 및 피부 장벽 기능 강화를 위한 화장품의 기능성 소재로 사용될 수 있음을 시사한다.

Keywords

Acknowledgement

본 연구는 2021년 대한민국 교육부와 한국연구재단의 지원을 받아 수행된 연구임(NRF-2017R1A6A1A06015181).

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