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刘洁,史红健,熊雨,范婧莹,苏芮,王贤文,吴新正,江志超,何迎春.黄芩苷通过TGF-β1/ERK1/2信号通路抑制鼻咽癌细胞增殖[J].湖南中医药大学学报英文版,2021,41(8):1154-1159.[Click to copy
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| 黄芩苷通过TGF-β1/ERK1/2信号通路抑制鼻咽癌细胞增殖 |
| 刘洁,史红健,熊雨,范婧莹,苏芮,王贤文,吴新正,江志超,何迎春 |
| (湖南中医药大学, 湖南 长沙 410208;湖南中医药大学, 湖南 长沙 410208;中医药防治眼耳鼻咽喉疾病湖南省重点实验室, 湖南 长沙 410208;湖南省中医药防治眼耳鼻咽喉疾病与视功能保护工程技术研究中心, 湖南 长沙 410208;中医药防治眼耳鼻咽喉疾病湖南省重点实验室, 湖南 长沙 410208;湖南省中医药防治眼耳鼻咽喉疾病与视功能保护工程技术研究中心, 湖南 长沙 410208;湖南中医药大学第一附属医院, 湖南 长沙 410007;中医药防治眼耳鼻咽喉疾病湖南省重点实验室, 湖南 长沙 410208;湖南省中医药防治眼耳鼻咽喉疾病与视功能保护工程技术研究中心, 湖南 长沙 410208;湖南省脑科医院, 湖南 长沙 410005) |
| 摘要: |
| 目的 探讨黄芩苷（baicalin）对鼻咽癌CNE2细胞增殖及TGF-β1/ERK1/2信号通路的作用。方法 采用CCK8法检测不同浓度黄芩苷（2.5、5、10、20、40、80 μmol·L-1）、顺铂（4 μg·mL-1）在24、36、48 h对CNE2细胞增殖的作用；细胞成像多功能检测系统（CytationTM 5）实时监测黄芩苷对CNE2增殖数量的变化；Western blot检测黄芩苷对CNE2细胞增殖相关蛋白PCNA、Survivin及TGF-β1/ERK1/2信号通路关键蛋白TGF-β1、p-ERK1/2的影响。结果 CCK8结果显示，黄芩苷可抑制CNE2增殖（P<0.05或P<0.01），且随着浓度升高，抑制作用增强；CytationTM 5监测结果显示，黄芩苷可抑制CNE2细胞数量增多（P<0.05或P<0.01）；Western blot结果表明，黄芩苷下调了增殖相关蛋白PCNA （P<0.05）、Survivin （P<0.05）及TGF-β1/ERK1/2信号通路关键蛋白TGF-β1（P<0.05）、p-ERK1/2（P<0.05）的表达水平。加入TGF-β1（TGF-β1/ERK1/2信号通路激活剂）后，黄芩苷对TGF-β1、p-ERK1/2、PCNA、Survivin的抑制作用降低（P<0.05），同时降低了黄芩苷对CNE2细胞增殖的抑制作用。结论 黄芩苷能够抑制鼻咽癌CNE2细胞增殖，并通过抑制TGF-β1/ERK1/2信号通路进一步降低下游蛋白PCNA、Survivin的表达发挥作用。 |
| 关键词: 鼻咽癌 黄芩苷 细胞增殖 TGF-β1/ERK1/2信号通路 |
| DOI：10.3969/j.issn.1674-070X.2021.08.004 |
| Received:April 08, 2021 |
| 基金项目:国家自然科学基金项目（81874408，81973914）；湖南省自然科学基金项目（2018JJ2219，2019JJ4026）；湖南省中医药管理局资助项目（2021014，2021184）；湖南省研究生科研创新项目（CX20200794）。 |
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| Baicalin Inhibits Nasopharyngeal Carcinoma Cell Proliferation Via TGF-β1/ERK1/2 Signaling Pathway |
| LIU Jie,SHI Hongjian,XIONG Yu,FAN Jingying,SU Rui,WANG Xianwen,WU Xinzheng,JIANG Zhichao,HE Yingchun |
| (Hunan University of Chinese Medicine, Changsha, Hunan 410208, China;Hunan University of Chinese Medicine, Changsha, Hunan 410208, China;Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha, Hunan 410208, China;Hunan Provincial Ophthalmology and Otolaryngology Diseases Prevention and Treatment with Traditional Chinese Medicine and Visual Function Protection Engineering and Technological Research Center, Changsha, Hunan 410208, China;Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha, Hunan 410208, China;Hunan Provincial Ophthalmology and Otolaryngology Diseases Prevention and Treatment with Traditional Chinese Medicine and Visual Function Protection Engineering and Technological Research Center, Changsha, Hunan 410208, China;The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, China;Hunan Provincial Key Laboratory for the Prevention and Treatment of Ophthalmology and Otolaryngology Diseases with Traditional Chinese Medicine, Changsha, Hunan 410208, China;Hunan Provincial Ophthalmology and Otolaryngology Diseases Prevention and Treatment with Traditional Chinese Medicine and Visual Function Protection Engineering and Technological Research Center, Changsha, Hunan 410208, China;Brain Hospital of Hunan Province, Changsha, Hunan 410005, China) |
| Abstract: |
| Objective To investigate the effect of baicalin on proliferation and TGF-β1/ERK1/2 signaling pathway of nasopharyngeal carcinoma CNE2 cells. Methods CCK8 method was used to detect the effect of different concentrations (2.5, 5,10, 20, 40, 80 μmol·L-1) of baicalin and cisplatin (4 μg·mL-1) on proliferation of CNE2 cells at 24, 36 and 48 hours. Cell imaging multifunctional detection system (CytationTM 5) was used to monitor the changes of baicalin on proliferation of CNE2 cells. Western blot was used to detect the effect of baicalin on PCNA, Survivin and the key proteins of TGF-β1/ERK1/2 signaling pathway TGF-β1, p-ERK1/2 in CNE2 cells. Results CCK8 results showed that baicalin could inhibit proliferation of CNE2 (P<0.05 or P<0.01), and the inhibition increased with the increasing of concentration. The monitoring results of CytationTM 5 showed that baicalin could inhibit the quantity increasing of CNE2 cells (P<0.05 or P<0.01). Western blot results showed that baicalin down regulated the protein expression levels of PCNA (P<0.05), Survivin (P<0.05) and the key proteins of TGF-β1/ERK1/2 signaling pathway TGF-β1 (P<0.05) and p-ERK1/2 (P<0.05). After adding transforming growth factor-β1 (TGF-β1, TGF-β1/ERK1/2 signal pathway activator), the inhibitory effect of baicalin on TGF-β1, p-ERK1/2, PCNA and Survivin was decreased (P<0.05), and the inhibitory effect of baicalin on CNE2 cell proliferation was also decreased. Conclusion Baicalin can inhibit the proliferation of nasopharyngeal carcinoma CNE2 cells, and further reduce the expression of downstream proteins PCNA and Survivin by inhibiting TGF-β1/ERK1/2 signaling pathway. |
| Key words: nasopharyngeal carcinoma baicalin cell proliferation TGF-β1/ERK1/2 signaling pathway |
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