摘要
目的基于CyclinD1-CDK4/6-P16通路探究欣胃颗粒对胃癌前病变大鼠细胞增殖的影响。方法将180只Wistar大鼠随机分为6组,每组30只:空白对照(空白)组、模型组、胃复春对照组、欣胃颗粒(低、中、高剂量)组,采用以MNNG法为主的复合造模方法制作PLGC大鼠模型。欣胃颗粒低、中、高剂量组分别以0.72 g·kg^(-1)、1.44 g·kg^(-1)、2.88 g·kg^(-1);胃复春组予0.52 g·kg^(-1),日一次灌胃给药,空白组与模型组给予同体量的生理盐水灌胃。实验周期为16周,结束后观察大鼠的一般情况,并用RT-PCR、Westernblotting技术检测胃黏膜中CyclinD1、CDK4/6、P16的mRNA及蛋白表达情况。结果欣胃颗粒各组和胃复春组大鼠的活动与饮食等情况同模型组相比都有不同程度的好转;与空白对照组相比,模型组CyclinD1、CDK4、CDK6的mRNA及蛋白表达水平显著升高;P16的mRNA及蛋白表达水平显著降低(P<0.05);欣胃颗粒(低、中、高剂量)组、胃复春组与模型组比较CyclinD1、CDK4、CDK6mRNA及蛋白表达水平均有降低;P16的mRNA及蛋白表达水平显著升高(P<0.05),其中欣胃颗粒中剂量组的疗效最为显著。结论欣胃颗粒通过CyclinD1-CDK4/6-P16通路参与细胞周期的调控,进而抑制PLGC细胞的增殖。
Objective To explore the effect of Xinwei Granules on cell proliferation in rats with precancerous lesions of gastric cancer based on CyclinD1-CDK4/6-P16 pathway.Methods 180 Wistar rats were randomly divided into 6 groups,30 rats in each group:blank control group(blank),model group,Weifuchun control group,Xinwei Granule(low,medium and high dose)group.The PLGC rat model was made by MNNG method.Xinwei granule low,medium and high dose group were 0.72 g·kg^(-1),1.44 g·kg^(-1),2.88 g·kg^(-1);weifuchun group was given 0.52 g·kg^(-1),once a day by intragastric administration,and the blank group and the model group were given the same amount of normal saline by intragastric administration.The experimental period was 16 weeks.After the end of the experiment,the general condition of the rats was observed,and the mRNA and protein expressions of CyclinD1,CDK4/6 and P16 in gastric mucosa were detected by RT-PCR and Western blotting.Results The activity and diet of rats in each group of Xinwei Granules and Weifuchun group were improved to varying degrees compared with the model group.Compared with the blank control group,the mRNA and protein expression levels of CyclinD1,CDK4 and CDK6 in the model group were significantly increased.The mRNA and protein expression levels of P16 were significantly decreased(P<0.05).The expression levels of CyclinD1,CDK4,CDK6 mRNA and protein in Xinwei granule(low,medium and high dose)group and Weifuchun group were lower than those in model group.The mRNA and protein expression levels of P16 were significantly increased(P<0.05),and the effect of Xinwei granule medium dose group was the most significant.Conclusion Xinwei granules participate in the regulation of cell cycle through the CyclinD1-CDK4/6-P16 pathway,thereby inhibiting the proliferation of PLGC cells.
作者
方姣
王子博
王子鉴
张杨
FANG Jiao;WANG Zi-bo;WANG Zi-jian;ZHANG Yang(Heilongjiang University of Chinese Medicine,Harbin 150040,China;First Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine,Harbin 150040,China)
出处
《现代消化及介入诊疗》
2024年第5期543-546,551,共5页
Modern Interventional Diagnosis and Treatment in Gastroenterology
基金
国家自然科学基金委员会资助项目(81973601)
黑龙江省中医药科研项目(ZHY19-027)
黑龙江省自然科学基金项目(LH2023H059)。
作者简介
通信作者:张杨,E-mail:1260431534@qq.com。
