피부 섬유아세포에서 비타민 C, Silicon, 철분 처리가 콜라겐 합성 및 분해 관련 효소의 발현에 미치는 효과 비교 = Effect of Vitamin C, Silicon and Iron on Collagen Synthesis and Break-Down Enzyme Expression in the Human Dermal Fibroblast Cell (HS27)

국문 초록 (Abstract)

본 연구에서는 비타민 C, silicon, 철분을 농도별로 피부섬유아 세포에 처리 후 콜라겐 합성 효소인 PH, LH의 mRNA 와 protein 발현 및 분해 효소인 MMP-1와 저해제인 TIMP-1의 mRNA, protein 발현의 변화를 대조군과 비교 · 분석 하였으며 그 결과를 요약하면 다음과 같다.
1) 피부 섬유아세포에서 비타민 C의 처리는 콜라겐 합성 효소인 PH의 mRNA 발현을 대조군에 비해 현저하게 증가시켰고 이와 병행하여, PH의 protein 발현도 대조군에 비해 유의적으로 증가하였다. 그러나 다른 콜라겐 합성 효소인 LH의 mRNA 발현에는 영향을 미치지 않았으나 protein의 발현을 증가시켰다. 또한, 콜라겐 분해 효소인 MMP-1의 mRNA 발현은 대조군에 비해 유의적으로 증가시켰으나 protein 발현에서는 대조군과 차이가 없었다.
2) 피부 섬유아세포에서 silicon의 혈중 내 농도 처리는 LH의 mRNA 발현의 현저한 증가와 더불어 protein 발현에도 긍정적인 영향을 미치는 것으로 나타났다. 콜라겐 분해 효소인 MMP-1과 저해제인 TIMP-1의 단백질 발현을 대조군에 비해 증가시켰다.
3) 피부 섬유아세포에서 철분의 혈중 내 농도 처리는 콜라겐 합성 및 분해 관련 효소의 mRNA 및 protein 발현에 영향을 미치지 않았다.
결론적으로, 피부섬유아세포에서 비타민 C 및 silicon의 처리는 콜라겐의 posttranslational modification 관련 효소의 mRNA의 발현 및 단백질의 발현을 증가시켜 궁극적으로 콜라겐 합성에 긍정적인 영향을 나타내었다.

다국어 초록 (Multilingual Abstract)

Collagen is the major matrix protein in dermis and consists of proline and lysine, which are hydroxylated by prolyl hydroxylase (PH) and lysyl hydroxylase (LH) with cofactors such as vitamin C, oxygen, iron (Fe²？), ketoglutarate and silicon. The collagen degradation is regulated by matrix metalloproteinase-1 (MMP-1), of which is the major collagendegrading proteinase whereas tissue inhibitors of metalloproteinase-1 (TIMP-1) bind to MMP-1 thereby inhibiting MMP-1 activity. In this study, we investigated the effects of vitamin C, silicon and iron on mRNA, protein expressions of PH, LH, MMP-1 and TIMP-1. The physiological concentrations of vitamin C (0-100 ㎛), silicon (0-50 ㎛) and iron (Fe²？：0-50 ㎛) were treated to human dermal fibroblast cells (HS27 cells) for 3 or 5days. The expression level of mRNA and protein was increased in not only PH but also LH when cells were incubated with vitamin C. A similar increase in LH mRNA or protein expression occurred when cells were incubated with silicon. Our results suggest that treatment of vitamin C and silicon increased mRNA and protein expression of PH and LH in human dermal fibroblast.

목차 (Table of Contents)

• ABSTRACT
• 서론
• 재료 및 방법
• 결과
• 고찰
• 요약
• Literature cited

참고문헌 (Reference)

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