Journal of the Society of Cosmetic Scientists of Korea (대한화장품학회지)

Society of Cosmetic Scientists of Korea (대한화장품학회)
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The Effect of Kaempferol, guercetin on Hyaluronan-Synthesis Stimulation in Human Keratinocytes (HaCaT)

인체 피부 세포주 (HaCaT)에서 Kaempferol, Quercetin의 Hyaluronan 합성 촉진 효과에 대한 연구

  • 김승훈 (태평양기술연구원 피부과학연구소) ;
  • 남개원 (태평양기술연구원 피부과학연구소) ;
  • 강병영 (태평양기술연구원 화장품 연구소) ;
  • 이해광 (태평양기술연구원 피부과학연구소) ;
  • 문성준 (태평양기술연구원 피부과학연구소) ;
  • 장이섭 (태평양기술연구원 피부과학연구소)
  • Published : 2005.03.01
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Abstract

One of the key molecules involved in skin moisture is hyaluronan (hyaluronic acid, HA) with its associated water of hydration. The predominant component of the ECM (extracellular matrix) of skin is HA. It Is the primordial and the simplest of the GAGs (glycosaminoglycans), a water-sorbed macromolecule In extracellular matrix, Included between the vital cells of epidermis. In the skin, HA was previously thought to derive extlusively from dermis. But, recent studies revealed that HA could be synthesized in epidermis. Flavonoids are polyphenolic compounds that is found mainly in foods of plant origin. Kaempferol was known to increase glutathione synthesis in human keratinocyte. And quercetin blocked PPAR-meidated keratinocyte differentiation as lipoxygenase inhibitors. In this study, we sought to evaluate the effect of flavonid, kaempferol and quercetin on production HA in keratinocyte. We examined the changes of three human hyaluronan synthase genes (HASI, HAS2, HAS3) expression by semi-quantitative RT-PCR when kaempferol or quercetin was added to cultured human keratinocytes. We found that these flavonoids slightly upregulated HAS2, HAS3 mRNA after 24 h. And we investigated the effect on HA production by ELISA. When we evaluated the level of HA in culture medium after 24 h incubation. We found enhanced accumulation of HA in the culture medium. Although the effects of above flavonoids are less than retinoic acid, the data indicate that kaempferol, quercetin can dose-dependently increase the level of HA in epidermis cell line. It suggested that flavonoid, kaempferol, and quercetin increased production of HA in skin and it helped to elevate skin moisture and improve facial wrinkle.

수분 보유력이 우수한 hyaluronan (HA)은 피부 보습에 관여하는 여러 물질들 중 하나로 피부의 extracellular matrix를 구성하는 주요 성분 중 하나이다. Glycosaminoglycans (GAGs)의 구성 성분의 하나로 과거에는 진피에서 유래하는 것으로 알려져 왔으나 최근 연구들을 통해 표피에서 합성되는 것이 확인되었다. Polyphenolic compound의 일종인 kaempferol과 quercetin은 채소류 같은 식물성 음식에 많이 존재하는 것으로 알려져 있으며, kaempferol은 인체 표피세포에서 glutathione 합성을 증가시키고 quercetin은 lipoxygenase inhibitor로 PPAR (peroxisome proliferator activated receptor) - mediated 표피세포 분화를 억제하는 것으로 알려져 있다. 본 연구에서 우리는 표피 세포주에서 이들 flavonoids -kaempferol, quercetin -의 HA 합성에 미치는 영향을 알아보고자 하였다. 물질 처리에 따른 HA 합성 효소인 hyaluronan synthase 1, 2, 3 (HAS1, 2, 3) 유전자 발현의 변화를 semi-quantitative RT-PCR을 통해 살펴보았다. 이들 flavonoid들에 의해 24 h 후 HAS2, 3 mRNA 발현이 증가되는 것을 발견하였다. 또한 HA 합성량의 변화를 알아보기 위해 ELISA를 수행하였다. 24 h 물질 처리 후 배지를 수거하여 HA 합성량을 살펴본 결과 이들 물질에 의해 합성이 유의하게 증가함을 알 수 있었다. 비록 합성 촉진에서의 효과가 retinoic acid에는 못 미치지만 kaempferol과 quercetin은 표피 세포주에서 농도 의존적으로 HA 합성을 증가시켰다. 위의 결과를 통해 flavonoid류인 kaempferol과 quercetin이 피부에서 HA 생산을 촉진시킴을 알 수 있었고 이를 통해 피부 보습과 잔주름 개선에 효과를 볼 수 있을 것으로 생각된다.

Keywords

References

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