Page 173 - 《华中农业大学学报(自然科学版)》2022年第5期
P. 173
第 5 期 陶叶杏 等:广陈皮中黄酮类化合物提取物对 t-BHP 诱导 HepG2 细胞氧化损伤保护作用机制 167
在正常生理状态下,Nrf2与Keap1以二聚体的形 [3] FU M Q,ZOU B,AN K J,et al.Anti-asthmatic activity of alka⁃
loid compounds from Pericarpium Citri Reticulatae(Citrus retic⁃
式定位于细胞质中;而一旦受到外界刺激,Nrf2 就会
ulata‘Chachi’)[J].Food & function,2019,10(2):903-911.
与 Keap1 发生解离,从细胞质转移进至细胞核中,并 [4] YE X L,CAO D,SONG F Y,et al. Preparative separation of
与 ARE 作用,激活下游一系列抗氧化酶的表达 [17] 。 nine flavonoids from Pericarpium Citri Reticulatae by prepara⁃
本研究表明,在 PCR-C10F 干预下,Nrf2 转录因子的 tive-HPLC and HSCCC[J].Separation science and technology,
2016,51(5):807-815.
表达在基因和蛋白水平上均显著上调,而且能够促
[5] WILLCOX J K,ASH S L,CATIGNANI G L.Antioxidants and
进 Nrf2 转移入核,增加其在细胞核中的累积,从而提 prevention of chronic disease[J].Critical reviews in food science
高细胞的抗氧化防御能力。研究表明,陈皮的多甲 and nutrition,2004,44(4):275-295.
[6] WANG Y,LIU X J,CHEN J B,et al.Citrus flavonoids and their
氧基黄酮类成分提取物能够通过激活 Nrf2 信号通路
antioxidant evaluation[J].Critical reviews in food science and nu⁃
来发挥抗氧化活性作用 [18] ,这与本研究结果一致。 trition,2022,62(14):3833-3854.
此外,PCR-C10F 使细胞保护蛋白 NQO1、GSTO1、 [7] SUZUKI T,YAMAMOTO M.Stress-sensing mechanisms and
the physiological roles of the Keap1-Nrf2 system during cellular
SOD1 以及 GSH-Px 在基因和蛋白水平均显著增加,
stress[J].Journal of biological chemistry,2017,292(41):16817-
并下调 HO-1 的表达。与本研究结果一致的是,甜橙 16824.
皮水提取物以及其主要成分橙皮苷、橘皮素和川陈 [8] NITURE S K,KHATRI R,JAISWAL A K. Regulation of
皮 素 [19] 可 通 过 上 调 t-BHP 诱 导 的 HepG2 细 胞 中 Nrf2:an update[J].Free radical biology and medicine,2014,66:
36-44.
GSH-Px 和 CAT 的表达来抵御氧化应激损伤。而
[9] LI Y R,LI G H,ZHOU M X,et al.Discovery of natural flavo⁃
且,研究表明当 HepG2 细胞暴露于氧化剂的氧化应 noids as activators of Nrf2-mediated defense system:structure-ac⁃
激损伤下,HO-1的 mRNA 水平和蛋白表达水平均上 tivity relationship and inhibition of intracellular oxidative insults
[J].Bioorganic & medicinal chemistry,2018,26(18):5140-5150.
调 [20] ,黄酮类化合物可以减弱氧化剂诱导的 HO-1的 [10] LIANG F Q,FANG Y J,CAO W W,et al.Attenuation of tert-
表达水平 [21] 。由此可见,PCR-C10F 通过促进 Nrf2 butyl hydroperoxide (t-BHP) -induced oxidative damage in
转 移 入 核 ,激 活 Nrf2-ARE 抗 氧 化 信 号 通 路 下 游 HepG2 cells by tangeretin:relevance of the Nrf2-ARE and
MAPK signaling pathways[J]. Journal of agricultural and food
NQO1、SOD1、GSTO1 和 GSH-Px 4 种 抗 氧 化 酶
chemistry,2018,66(25):6317-6325.
mRNA 和蛋白的表达,下调应激反应蛋白 HO-1的表 [11] YU Q,TAO Y X,HUANG Y T,et al.Aged Pericarpium Citri
达,减轻细胞的氧化应激损伤,发挥抗氧化活性。 Reticulatae‘Chachi’attenuates oxidative damage induced by
tert-butyl hydroperoxide(t-BHP)in HepG2 cells[J/OL].Foods
综上所述,陈皮在陈化过程中多甲氧基黄酮类
(Basel,Switzerland),2022,11(3):273[2022-02-28].https://
化合物含量呈现增加的趋势,而且其抗氧化活性也 doi.org/ 10.3390/foods11030273.
随之增强,而且川陈皮素的积累可能是主要的因素。 [12] WU Y,CHEN Z,DARWISH W S,et al.Choline and ethanol⁃
PCR-C10F表现出较强的抗氧化活性,能够通过调控 amine plasmalogens prevent lead-induced cytotoxicity and lipid
oxidation in HepG2 cells[J]. Journal of agricultural and food
Nrf2-ARE 抗氧化通路下游抗氧化酶 mRNA 和蛋白
chemistry,2019,67(27):7716-7725.
的表达减轻 t-BHP 对 HepG2 细胞的氧化应激损伤, [13] LIU J,TAN F,LIU X H,et al.Exploring the antioxidant effects
从而发挥抗氧化活性,为陈皮发挥间接抗氧化活性 and periodic regulation of cancer cells by polyphenols produced
by the fermentation of grape skin by Lactobacillus plantarum
作用机制的研究提供了理论基础,进而为陈皮的合
KFY02[J/OL].Biomolecules,2019,9(10):575[2022-05-22].
理贮藏及使用提供一定的理论依据。本研究由于只 https://doi.org/10.3390/biom9100575.
选取了同一产地同一果园的样本,而且不同年份的 [14] YANG M,JIANG Z D,WEN M C,et al. Chemical variation of
Chenpi(Citrus peels)and corresponding correlated bioactive com⁃
样本量有限,还需进一步扩充样品的品种来源及年
pounds by LC-MS metabolomics and multibioassay analysis[J/
份深入开展研究。 OL].Frontiers in nutrition,2022,9:825381[2022-05-22].https://
doi.org/ 10.3389/fnut.2022.825381.
参考文献References [15] LIANG S J,WEN Z J,TANG T X,et al.Study on flavonoid and bio⁃
activity features of the pericarp of Citri Reticulatae‘Chachi’during
[1] 周欣 . 陈皮的红外光谱三级宏观指纹谱图分析研究[D]. 广州: storage[J/OL].Arabian journal of chemistry,2022,15(3):103653
广东药学院,2007.ZHOU X.Study on analysis of pericarpium [2022-05-22].https://doi.org/10.1016/j.arabjc.2021.103653.
citri reticulatae by the multi-steps infrared macro-fingerprint [16] OH J M,JUNG Y S,JEON B S,et al.Evaluation of hepatotoxic⁃
method[D].Guangzhou:Guangdong Pharmaceutical University, ity and oxidative stress in rats treated with tert-butyl hydroperox⁃
2007(in Chinese with English abstract). ide[J].Food and chemical toxicology,2012,50(5):1215-1221.
[2] DUAN L,DOU L L,YU K Y,et al. Polymethoxyflavones in [17] GUO S S,ZHANG Q.Paeonol protects melanocytes against hy⁃
peel of Citrus reticulata‘Chachi’and their biological activities drogen peroxide-induced oxidative stress through activation of
[J].Food chemistry,2017,234:254-261. Nrf2 signaling pathway[J].Drug development research,2021,82

