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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.2
- 수록면
- 15 - 27 (13page)
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초록· 키워드
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Purpose: The aerial parts of Dracocephalum moldavica L. (DM) have been widely used as traditional herbal medicine for cardiovascular diseases and skin problems in Central Asia and Europe. This study evaluated the photoprotective effects of three different DM seed (DMS) extracts against ultraviolet B (UVB)-induced photoaging in human dermal fibroblasts (HDFs) and human keratinocytes (HaCaT cells).
Methods: DMS extracts were prepared using supercritical fluid (SC-oil), ethanol (EE), and aqueous (AE) methods. Their ability to regulate the extracellular matrix (ECM) components, including procollagen type I (PC1), matrix metalloproteinase-1 (MMP-1), and elastase-1, which are key biomarkers of photoaging, was evaluated.
Results: All extracts restored procollagen synthesis, reduced MMP-1 and elastase-1 production and activity, and upregulated PC1 mRNA expression while downregulating the MMP-1 and elastase-1 mRNA levels in UVB-irradiated cells. SC-oil (0.0001%) and AE (0.125 mg/mL) reversed the PC1 mRNA levels most effectively in HDFs and HaCaT cells, respectively. In addition, SC-oil had the strongest suppressive effect on MMP-1 secretion in HDFs, while EE and AE were more effective in HaCaT cells. The elastase-1 activity and mRNA levels in both cell types were comparable to those treated with L-ascorbic acid, a positive control.
Conclusion: These findings suggest that DMS extracts, rich in bioactive compounds such as polyphenols, phytosterols, and omega-3 polyunsaturated fatty acids, have significant potential as natural anti-aging agents. By protecting collagen and elastin integrity and modulating ECM biomarkers, DMS extracts may effectively prevent UVB-induced photoaging and improve skin resiliency.
Methods: DMS extracts were prepared using supercritical fluid (SC-oil), ethanol (EE), and aqueous (AE) methods. Their ability to regulate the extracellular matrix (ECM) components, including procollagen type I (PC1), matrix metalloproteinase-1 (MMP-1), and elastase-1, which are key biomarkers of photoaging, was evaluated.
Results: All extracts restored procollagen synthesis, reduced MMP-1 and elastase-1 production and activity, and upregulated PC1 mRNA expression while downregulating the MMP-1 and elastase-1 mRNA levels in UVB-irradiated cells. SC-oil (0.0001%) and AE (0.125 mg/mL) reversed the PC1 mRNA levels most effectively in HDFs and HaCaT cells, respectively. In addition, SC-oil had the strongest suppressive effect on MMP-1 secretion in HDFs, while EE and AE were more effective in HaCaT cells. The elastase-1 activity and mRNA levels in both cell types were comparable to those treated with L-ascorbic acid, a positive control.
Conclusion: These findings suggest that DMS extracts, rich in bioactive compounds such as polyphenols, phytosterols, and omega-3 polyunsaturated fatty acids, have significant potential as natural anti-aging agents. By protecting collagen and elastin integrity and modulating ECM biomarkers, DMS extracts may effectively prevent UVB-induced photoaging and improve skin resiliency.
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ABSTRACT
INTRODUCTION
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