Propionibacterium acnes에 의해 유도된 염증에 대한 Chitosan-phytochemical Conjugates의 항염증 효과
Anti-inflammatory Effects of Chitosan-phytochemical Conjugates against Propionibacterium acnes-induced Inflammation
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Propionibacterium acnes infection in skin tissue often causes acne vulgaris, commonly characterized by inflammatory papules, pustules, and nodules. Chitosan and its derivatives possess strong anti-inflammatory effects. In this study, the anti-inflammatory activity of chitosan-phytochemical conjugates on P. acnes-infected human skin keratinocytes (HaCaT) was evaluated. We designed a model of P. acnes-induced inflammation in viable HaCaT cells. Nitric oxide (NO), an inflammatory marker, was successfully elevated by P. acnes infection in HaCaT cells in a dose-dependent manner. Furthermore, the levels of NO were reduced by treatment with chitosan-phytochemical conjugates (chitosancaffeic acid, -ferulic acid and -sinapic acid) in a dose-dependent manner. Among these conjugates, chitosan-caffeic acid exhibited the strongest NO suppression in HaCaT cells infected with P. acnes. The results obtained in this study suggest that chitosan-phytochemical conjugates could be used as a potential therapeutic agent against acne vulgaris.
Abstract
Propionibacterium acnes infection in skin tissue often causes acne vulgaris, commonly characterized by inflammatory papules, pustules, and nodules. Chitosan and its derivatives possess strong anti-inflammatory effects. In this study, the anti-inflammatory activity of chitosan-phytochemical conjugates on P. acnes-infected human skin keratinocytes (HaCaT) was evaluated. We designed a model of P. acnes-induced inflammation in viable HaCaT cells. Nitric oxide (NO), an inflammatory marker, was successfully elevated by P. acnes infection in HaCaT cells in a dose-dependent manner. Furthermore, the levels of NO were reduced by treatment with chitosan-phytochemical conjugates (chitosancaffeic acid, -ferulic acid and -sinapic acid) in a dose-dependent manner. Among these conjugates, chitosan-caffeic acid exhibited the strongest NO suppression in HaCaT cells infected with P. acnes. The results obtained in this study suggest that chitosan-phytochemical conjugates could be used as a potential therapeutic agent against acne vulgaris.
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