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石榴()酚类物质改善过氧化氢诱导的人角质形成细胞氧化应激和细胞毒性。

Pomegranate () Phenolics Ameliorate Hydrogen Peroxide-Induced Oxidative Stress and Cytotoxicity in Human Keratinocytes.

作者信息

Liu Chang, Guo Hao, DaSilva Nicholas A, Li Dongli, Zhang Kun, Wan Yinsheng, Gao Xing-Hua, Chen Hong-Duo, Seeram Navindra P, Ma Hang

机构信息

Bioactive Botanical Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI 02881, USA.

Department of Dermatology, Key Laboratory of Immunodermatology, No.1 Hospital of China Medical University, Shenyang 110001, China.

出版信息

J Funct Foods. 2019 Mar;54:559-567. doi: 10.1016/j.jff.2019.02.015. Epub 2019 Feb 11.

Abstract

Pomegranate phenolics have been reported to exert skin beneficial effects but their mechanisms of action remain unclear. Herein, we investigated a standardized commercial pomegranate extract (PE; Pomella®) and its phenolics including punicalagin (PA), ellagic acid (EA), and urolithin A (UA) for their protective effects against hydrogen peroxide (HO)-induced oxidative stress and cytotoxicity in human keratinocyte HaCaT cells. PE, PA, and EA reduced the production of HO-induced ROS in HaCaT cells by 1.03-, 1.37-, and 2.67-fold, respectively. PE, PA, and UA increased the viability of HO-stimulated HaCaT cells by 89.9, 94.9, and 90.0%, respectively. PE, PA, and UA reduced apoptotic cell populations by 3.39, 7.11, and 8.26%, respectively. In addition, PE, PA and UA decreased HO-stimulated caspase-3 level by 2.31-, 2.06-, and 2.68-fold, respectively. The ameliorative effects of this PE and its phenolics against the HO-induced oxidative stress and cytotoxicity in keratinocytes support their utilization as natural cosmeceuticals for skin health.
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摘要

据报道,石榴酚类物质对皮肤有益,但其作用机制尚不清楚。在此,我们研究了一种标准化的商业石榴提取物(PE;Pomella®)及其酚类物质,包括石榴皮素(PA)、鞣花酸(EA)和尿石素A(UA)对过氧化氢(HO)诱导的人角质形成细胞HaCaT细胞氧化应激和细胞毒性的保护作用。PE、PA和EA分别使HO诱导的HaCaT细胞中ROS的产生减少了1.03倍、1.37倍和2.67倍。PE、PA和UA分别使HO刺激的HaCaT细胞活力提高了89.9%、94.9%和90.0%。PE、PA和UA分别使凋亡细胞群体减少了3.39%、7.11%和8.26%。此外,PE、PA和UA分别使HO刺激的caspase-3水平降低了2.31倍、2.06倍和2.68倍。这种PE及其酚类物质对角质形成细胞中HO诱导的氧化应激和细胞毒性的改善作用支持了它们作为皮肤健康天然化妆品的应用。

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