FOLLOWUS
1.School of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, Sichuan Province (646000), China
2.Senior Department of Hepatology,the Fifth Medical Center of PLA General Hospital, Beijing(100039), China
3.China Military Institute of Chinese Materia,the Fifth Medical Center of PLA General Hospital, Beijing(100039), China
Prof. SUN Qin, E-mail: zxyjhsq@swmu.edu.cn
纸质出版日期:2022-07-01,
网络出版日期:2022-04-07,
录用日期:2022-02-17
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Yan YANG, Fei-lin GE, Xiao-yan ZHAN, 等. 五味子油对马兜铃酸肾损伤的保护作用评价[J]. Chinese Journal of Integrative Medicine, 2022,28(7):603-611.
Yan YANG, Fei-lin GE, Xiao-yan ZHAN, et al.
Yan YANG, Fei-lin GE, Xiao-yan ZHAN, 等. 五味子油对马兜铃酸肾损伤的保护作用评价[J]. Chinese Journal of Integrative Medicine, 2022,28(7):603-611. DOI: 10.1007/s11655-022-3574-z.
Yan YANG, Fei-lin GE, Xiao-yan ZHAN, et al.
目的:
2
评价五味子油 (Schisandra chinensis oil
SCEO) 对马兜铃酸Ⅰ (Aristolocholic acidⅠ
AAⅠ) 肾毒性的保护作用
并探索其作用机制.
方法:
2
采用随机数字表法将C57BL/6小鼠随机分为5组
分别为对照组、AAⅠ (模型) 组和AAⅠ+SCEO (0.25
0.5
1 g/kg) 组
每组5只. SCEO预保护2天
对照组与模型组给予羧甲基纤维素钠. 除对照组外
各组小鼠从第3天开始腹腔注射AAⅠ
连续5天. 实验结束后
HE及TUNEL染色观察肾组织形态及细胞凋亡情况; ELISA检测ALT、AST、BUN、SCR、GSH、MDA、SOD水平; ELISA、qPCR和Western blot检测肝组织CYP1A1、CYP1A2和NQO1的表达. 体外实验中
SCEO (40 μg/mL) 预保护12 h
12 h后除对照组外各组给予AAⅠ 40 μM/mL 48 h
实验结束后利用流式细胞术检测细胞凋亡和ROS水平.
结果:
2
在AAⅠ诱导的肾毒性小鼠肾组织中
SCEO 0.5 g/kg、1 g/kg显著改善AAⅠ导致的组织病理损伤
明显减少肾组织细胞凋亡
并显著降低血清中ALT、AST、BUN及SCR水平 (
P
<
0.01或
P
<
0.05) . SCEO 0.5 g/kg、1 g/kg减少了肾脏ROS生成
降低MDA并增加GSH和SOD (
P
<
0.01或
P
<
0.05) . SCEO 1 g/kg增加CYP1A1和CYP1A2的表达
降低NQO1水平 (
P
<
0.01或
P
<
0.05) . 此外
体外研究结果也表明
SCEO 40 μg/mL可抑制细胞凋亡和ROS生成 (
P
<
0.01或
P
<
0.05) .
结论:
2
SCEO 具有抑制AAⅠ肾损伤作用
其作用机制可能与调节代谢酶从而抑制细胞凋亡和ROS的产生相关.
Objective:
2
To investigate the protective effects of
Schisandra chinensis
oil (SCEO) against aristolochic acid Ⅰ (AAⅠ)-induced nephrotoxicity
in vivo
and
in vitro
and elucidate the underlying mechanism.
Methods:
2
C57BL/6 mice were randomly divided into 5 groups according to a random number table
including control group
AAⅠ group
and AAⅠ+SCEO (0.25
0.5 and 1 g/kg) groups (n=5 per group). Pretreatment with SCEO was done for 2 days by oral administration
while the control and AAⅠ groups were treated with sodium carboxymethyl cellulose. Mice of all groups except for the control group were injected intraperitoneally with AAⅠ (5 mg/kg) from day 3 until day 7. Histopathological examination and apoptosis of kidney tissue were observed by hematoxylin and eosin and TdT-mediated dUTP nick-end labeling (TUNEL) staining
respectively. The levels of serum alanine aminotransferase (ALT)
aspartate aminotransferase (AST)
blood urea nitrogen (BUN)
and serum creatinine (SCr)
as well as renal malondialdehyde (MDA)
glutathione
r-glutamyl cysteingl+glycine (GSH)
and superoxide dismutase (SOD) were analyzed using enzyme-linked immunosorbent assay (ELISA). Expressions of hepatic cytochrome P450 1A1 (CYP1A1)
CYP1A2
and nad(p)hquinonedehydrogenase1 (NQO1) were analyzed using ELISA
quantitative real-time polymerase chain reaction (qPCR) and Western blot
respectively.
In vitro
SCEO (40 μg/mL) was added 12 h before treatment with AAⅠ (40 μmol/mL for 48 h) in human renal proximal tubule cell line (HK-2)
then apoptosis and reactive oxygen species (ROS) were analyzed by flow cytometry.
Results:
2
SCEO 0.5 and 1 g/kg ameliorated histopathological changes and TUNEL
+
staining in the kidney tissues of mice with AAⅠ-induced nephrotoxicity
and reduced serum levels of ALT
AST
BUN and SCr (
P
<
0.01 or
P
<
0.05). SCEO 0.5 and 1 g/kg alleviated the ROS generation in kidney
containing MDA
GSH and SOD (
P
<
0.01 or
P
<
0.05). SCEO 1 g/kg increased the expressions of CYP1A1 and CYP1A2 and decreased NQO1 level in the liver tissues (
P
<
0.01 or
P
<
0.05). Besides
in vitro
studies also demonstrated that SCEO 40 μg/mL inhibited apoptosis and ROS generation (
P
<
0.05 or
P
<
0.01).
Conclusions:
2
SCEO can alleviate AAⅠ-induced kidney damage both
in vivo
and
in vitro
. The protective mechanism may be closely related to the regulation of metabolic enzymes
thereby inhibiting apoptosis and ROS production.
aristolochic acid ⅠnephrotoxicitySchisandra chinensis oilmetabolic enzymesapoptosisreactive oxygen species
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