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1.辽宁中医药大学中医脏象理论及应用教育部重点实验室,沈阳 110847
2.辽宁中医药大学药学院,辽宁 大连 116600
实验师,博士研究生。研究方向:中西医结合防治肿瘤。E-mail:chm19901004@163.com
教授,博士生导师,博士。研究方向:中西医结合防治心血管疾病。E-mail:jlq-8@163.com
纸质出版日期:2023-10-15,
收稿日期:2023-05-18,
修回日期:2023-08-28,
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曹慧敏,孔亮,隋国媛等.苓桂术甘汤调控自噬对多柔比星抗非酒精性脂肪肝病相关肝细胞癌的增效作用 Δ[J].中国药房,2023,34(19):2316-2322.
CAO Huimin,KONG Liang,SUI Guoyuan,et al.Synergistic effects of Linggui zhugan decoction regulating autophagy on doxorubicin against non-alcoholic fatty liver disease-hepatocellular carcinoma[J].ZHONGGUO YAOFANG,2023,34(19):2316-2322.
曹慧敏,孔亮,隋国媛等.苓桂术甘汤调控自噬对多柔比星抗非酒精性脂肪肝病相关肝细胞癌的增效作用 Δ[J].中国药房,2023,34(19):2316-2322. DOI: 10.6039/j.issn.1001-0408.2023.19.03.
CAO Huimin,KONG Liang,SUI Guoyuan,et al.Synergistic effects of Linggui zhugan decoction regulating autophagy on doxorubicin against non-alcoholic fatty liver disease-hepatocellular carcinoma[J].ZHONGGUO YAOFANG,2023,34(19):2316-2322. DOI: 10.6039/j.issn.1001-0408.2023.19.03.
目的
2
探讨苓桂术甘汤(LGZG)通过调控自噬增强多柔比星(DOX)的抗非酒精性脂肪肝病相关肝细胞癌(NAFLD-HCC)的作用及机制。
方法
2
将C57BL/6小鼠采用随机数字表法分为空白组、NAFLD-HCC组、LGZG组、DOX组、DOX+LGZG组,每组10只。采用腹腔注射二乙基亚硝胺溶液(50 mg/kg)和喂养高脂饲料相结合的方法建立NAFLD-HCC小鼠模型;空白组小鼠注射等量生理盐水,给予普通饲料喂养。建模后,各给药组分别灌胃LGZG水提液(20 g/kg)和/或腹腔注射DOX溶液(8 mg/kg),空白组、NAFLD-HCC组灌胃等量生理盐水,每日1次,连续4周。在模型建立及药物干预期间,监测小鼠的一般情况。药物干预结束后,检测小鼠体重、肝重及肝脏系数;观察小鼠肝脏组织病理形态和纤维化程度;检测小鼠血脂水平[甘油三酯(TG)、总胆固醇(TC)、低密度脂蛋白胆固醇(LDL-C)和高密度脂蛋白胆固醇(HDL-C)的水平],血清中甲胎蛋白(AFP)、癌胚抗原(CEA)含量,肝脏组织中增殖标志物Ki-67、B细胞淋巴瘤2(Bcl-2)、Bcl-2相关X蛋白(Bax)的表达水平,以及微管相关蛋白1A/1B-轻链3(LC3)、苄氯素1(Beclin1)、选择性自噬接头蛋白P62的蛋白表达水平。
结果
2
与空白组比较,NAFLD-HCC组小鼠随着给药时间延长活动逐渐减少,精神萎靡,毛发蓬乱无光泽,体重显著降低(
P
<0.05),肝重有上升趋势,肝脏系数显著增加(
P
<0.05);小鼠肝脏组织炎症细胞大量浸润,部分细胞出现气球样变及小细胞性增生的病变,肝脏纤维化程度加重;血清中TC、TG、LDL-C水平及AFP、CEA含量均显著升高,HDL-C水平显著降低(
P
<0.05);肝脏组织中Ki-67、Bcl-2蛋白表达水平均显著升高(
P
<0.05),Bax蛋白表达水平有降低趋势;肝脏组织中Beclin1蛋白表达水平显著降低(
P
<0.05),LC3Ⅱ/LC3Ⅰ比值有所降低,P62蛋白表达水平有所升高。与NAFLD-HCC组比较,DOX组、LGZG组及DOX+LGZG组小鼠上述指标均有不同程度改善,且DOX联合LGZG的干预效果优于DOX。
结论
2
LGZG联合DOX能够协同促进肿瘤细胞的凋亡,增强NAFLD-HCC化疗敏感性,有效减缓NAFLD-HCC的发生发展,其机制可能与调节肿瘤细胞自噬的发生有关。
OBJECTIVE
2
To explore the enhancement effect of Linggui zhugan decoction (LGZG) regulating autophagy on doxorubicin (DOX) against non-alcoholic fatty liver disease-hepatocellular carcinoma (NAFLD-HCC).
METHODS
2
C57BL/6 mice were randomly divided into blank group, NAFLD-HCC group, LGZG group, DOX group and DOX+LGZG group, with 10 mice in each group. The NAFLD-HCC model was established by intraperitoneal injection of diethylnitrosamine (50 mg/kg) and high-fat diet. The blank group was injected with the same amount of normal saline and fed with ordinary diet. After modeling, administration groups were given LGZG aqueous extract (20 g/kg) intragastrically and/or DOX solution intraperitoneally (8 mg/kg); the blank group and NAFLD-HCC group were given a constant volume of normal saline intragastrically, once a day, for 4 consecutive weeks. The general condition of mice was monitored during modeling and drug intervention. After drug intervention, body weight, liver weight and liver coefficient of mice were detected. The histopathologic morphology and fibrosis degree of liver tissue in mice were observed; the levels of blood lipid [the levels of triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C)], the serum contents of alpha fetoprotein (AFP) and carcinoembryonic antigen (CEA), and the expressions of marker of proliferation Ki-67, B-cell lymphoma-2 (Bcl-2) and Bcl-2 associated X (Bax) in liver tissue were all detected as well as protein expressions of microtubule-associated proteins 1A and 1B (LC3), Beclin1 and selective autophagy adopt proteins P62.
RESULTS
2
Compared with the blank group, the activity of mice decreased gradually as time in the NAFLD-HCC group; mental fatigue, disheveled and matte hair were observed, and body weight decreased significantly (
P
<0.05); liver weight had an upward trend, and liver coefficient increased significantly (
P
<0.05). The inflammatory cells of liver tissue were infiltrated, with some cells showing ballooning and small cell hyperplasia, and the degree of liver fibrosis was worsened; serum levels of TC, TG and LDL-C, AFP and CEA contents increased significantly, while HDL-C level decreased significantly (
P
<0.05). The protein expressions of Ki-67 and Bcl-2 in liver tissue were increased significantly (
P
<0.05), while the protein expression of Bax decreased. The protein expression of Beclin1 in liver tissue decreased significantly (
P
<0.05); LC3Ⅱ/LC3Ⅰ decreased, while the expression of P62 protein increased. Compared with the NAFLD-HCC group, the above indexes of mice were improved to different extents in the DOX group, LGZG group and DOX+LGZG group, and the intervention effect of DOX combined with LGZG were better than those of DOX.
CONCLUSIONS
2
LGZG combined with DOX can synergically promote the apoptosis of tumor cells, enhance the sensitivity of NAFLD-HCC chemotherapy, and effectively slow down the occurrence and development of NAFLD-HCC. The mechanism may be related to the regulation of autophagy in tumor cells.
苓桂术甘汤非酒精性脂肪肝病相关肝细胞癌自噬多柔比星化疗增敏
non-alcoholic fatty liver disease-hepatocellular carcinomaautophagydoxorubicinchemotherapy sensitization
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