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KMID : 1161520220260060310
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Animal Cells and Systems
2022 Volume.26 No. 6 p.310 ~ p.317
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A focused natural compound screen reveals senolytic and senostatic effects of Isatis tinctoria
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Kim Eun-Jung
Woo Ji-Eun
Shin Seoung-Woo
Choi Hae-Been
Kim Jun-Oh
Kang Chan-Hee
Kim Young-Seok
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Abstract
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Natural products and their derivatives historically represent alternatives to conventional synthetic molecules for pharmacotherapy, ranging from cancer chemotherapeutics to cosmetic ingredients that exert anti-aging activities. Cellular senescence is considered a main driver of skin aging, yet natural products that target skin senescence in a specific manner are not thoroughly explored. Here, we performed a focused compound screen to identify natural products that exert anti-senescence effects. We found that Isatis tinctoria, woad extracts, displayed a senolytic effect on senescent human skin fibroblasts. Furthermore, treatment with woad extracts attenuated the expression of pro-inflammatory senescence-associated secretory phenotype (SASP), showing a senostatic activity. Intriguingly, woad extracts displayed only a marginal cytotoxic effect toward senescent human lung fibroblasts. Thus, our results reveal the potential activities of woad extracts for targeting skin senescence and suggest that woad extracts could be an attractive ingredient for cosmetics to prevent skin aging.
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KEYWORD
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Cellular senescence, senolytics, senostatics, I. tinctoria, skin aging
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