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1.河北省邯郸市第一医院东区麻醉科,河北 邯郸 056000
2.河北省邯郸市第三医院麻醉科,河北 邯郸 056000
3.河北省邯郸市第一医院东区综合外科,河北 邯郸 056000
纸质出版日期:2023-08-25,
收稿日期:2022-06-19,
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赵红雷,赵翠党,任杰.芍药苷减轻布比卡因诱导背根神经节细胞神经毒性的机制研究[J].局解手术学杂志,2023,32(08):687-691.
ZHAO Hong-lei,ZHAO Cui-dang,REN Jie.Mechanism of paeoniflorin reducing the neurotoxicity of dorsal root ganglion cells induced by bupivacaine[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2023,32(08):687-691.
赵红雷,赵翠党,任杰.芍药苷减轻布比卡因诱导背根神经节细胞神经毒性的机制研究[J].局解手术学杂志,2023,32(08):687-691. DOI: 10.11659/jjssx.06E022054.
ZHAO Hong-lei,ZHAO Cui-dang,REN Jie.Mechanism of paeoniflorin reducing the neurotoxicity of dorsal root ganglion cells induced by bupivacaine[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2023,32(08):687-691. DOI: 10.11659/jjssx.06E022054.
目的
2
基于细胞凋亡和氧化应激途径探讨芍药苷减轻布比卡因(BV)麻醉诱导背根神经节(DRG)原代神经细胞神经毒性的作用。
方法
2
将DRG原代神经细胞随机分成空白对照组、芍药苷组、BV组及芍药苷+BV组。MTT法检测细胞的增殖率;Annexin V-FITC/PI双染色检测细胞凋亡率;Western blot检测凋亡相关蛋白Bax、Bcl-2和活性caspase-3的表达水平;DCFH-DA法检测细胞内活性氧(ROS)水平;ELISA法检测细胞内超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GPx)和丙二醛(MDA)水平。
结果
2
与空白对照组比较,BV组、芍药苷+BV组中DRG原代神经细胞的增殖率、Bcl-2表达及SOD和GPx含量显著降低,而细胞凋亡率、Bax和活性caspase-3表达、平均荧光强度、MDA含量显著升高,差异均有统计学意义(
P
<
0.05);芍药苷组DRG原代神经细胞的增殖率、凋亡率、Bax、Bcl-2、活性caspase-3表达无显著变化(
P
>
0.05),但平均荧光强度、MDA含量显著降低,SOD、GPx含量显著升高,差异均有统计学意义(
P
<
0.05)。与BV组比较,芍药苷组、芍药苷+BV组中DRG原代神经细胞的增殖率、Bcl-2表达、SOD和GPx含量显著增加,细胞凋亡率、Bax和活性caspase-3表达、平均荧光强度、MDA含量显著降低,差异均有统计学意义(
P
<
0.05)。
结论
2
芍药苷可通过抑制细胞凋亡和氧化应激减轻BV诱导的DRG原代神经细胞神经毒性作用,有望成为治疗BV诱导的神经毒性的潜在药物。
Objective
2
To explore the effect of paeoniflorin on alleviating the neurotoxicity of primary dorsal root ganglion (DRG) neurons induced by bupivacaine (BV) anesthesia based on the apoptosis and oxidative stress pathways.
Methods
2
The primary neurons of DRG were randomly divided into the blank control group,the paeoniflorin group, the BV group and the paeoniflorin+BV group.The cell proliferation rate was detected by MTT assay,the apoptosis rate was detected by Annexin V-FITC/PI double staining, the expression levels of apoptosis related proteins including Bax, Bcl-2 and active caspase-3 were detected by Western blot,the level of intracellular reactive oxygen species (ROS) was detected by DCFH-DA assay, and the levels of intracellular superoxide dismutase (SOD), glutathione peroxidase (GPx) and malondialdehyde (MDA) were detected by ELISA.
Results
2
Compared with the blank control group,the proliferation rates, expression of Bcl-2 and contents of SOD and GPx of DRG primary neurons in the BV group and the paeoniflorin+BV group were significantly reduced, while the apoptosis rates, expression of Bax and active caspase-3, average fluorescence intensities and MDA contents were significantly increased, with statistically significant differences (
P
<
0.05); the DRG primary neurons of the paeoniflorin group had no obvious change in the proliferation rate, apoptosis rate, expression of Bax, Bcl-2 or active caspase-3 (
P
>
0.05), while with lower average fluorescence intensity and MDA content, and higher contents of SOD and GPx,with statistically significant differences (
P
<
0.05). Compared with the BV group, the proliferation rates, expression of Bcl-2, contents of SOD and GPx of DRG primary neurons in the paeoniflorin group and the paeoniflorin+BV group were significantly increased, and the apoptosis rates, expression of Bax and active caspase-3, average fluorescence intensities, and MDA contents were significantly reduced, with statistically significant differences (
P
<
0.05).
Conclusion
2
Paeoniflorin can alleviate the neurotoxicity of primary DRG neurons induced by BV through inhibiting apoptosis and oxidative stress,which is expected to be a potential drug for the treatment of BV-induced neurotoxicity.
细胞凋亡氧化应激芍药苷布比卡因背根神经节神经毒性
apoptosisoxidative stresspaeoniflorinbupivacainedorsal root ganglionneurotoxicity
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