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논문 기본 정보

자료유형
학술저널
저자정보
Zhen, Ao Xuan (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Piao, Mei Jing (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Kang, Kyoung Ah (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Fernando, Pincha Devage Sameera Madushan (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Kang, Hee Kyoung (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Koh, Young Sang (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine) Yi, Joo Mi (Department of Microbiology and Immunology, Inje University College of Medicine) Hyun, Jin Won (Jeju National University School of Medicine and Jeju Research Center for Natural Medicine)
저널정보
한국응용약물학회 Biomolecules & Therapeutics(구 응용약물학회지) Biomolecules & therapeutics 제27권 제6호
발행연도
2019.1
수록면
562 - 569 (8page)

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Niacinamide (NIA) is a water-soluble vitamin that is widely used in the treatment of skin diseases. Moreover, NIA displays antioxidant effects and helps repair damaged DNA. Recent studies showed that particulate matter 2.5 ($PM_{2.5}$) induced reactive oxygen species (ROS), causing disruption of DNA, lipids, and protein, mitochondrial depolarization, and apoptosis of skin keratinocytes. Here, we investigated the protective effects of NIA on $PM_{2.5}$-induced oxidative stress in human HaCaT keratinocytes. We found that NIA could inhibit the ROS generation induced by $PM_{2.5}$, as well block the $PM_{2.5}$-induced oxidation of molecules, such as lipids, proteins, and DNA. Furthermore, NIA alleviated $PM_{2.5}$-induced accumulation of cellular $Ca^{2+}$, which caused cell membrane depolarization and apoptosis, and reduced the number of apoptotic cells. Collectively, the findings show that NIA can protect keratinocytes from $PM_{2.5}$-induced oxidative stress and cell damage.

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