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上海中医药大学 附属龙华医院,上海 200032
Received:01 March 2022,
Published Online:17 August 2022,
Published:20 February 2023
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夏尽力,蔡玥娇,吴新鸿等.肺岩宁方调控EMT逆转非小细胞肺癌顺铂耐药[J].中国实验方剂学杂志,2023,29(04):43-51.
XIA Jinli,CAI Yuejiao,WU Xinhong,et al.Chinese Herbal Medicine Feiyanning Prescription Regulates EMT to Reverse Cisplatin Resistance in Non-small Cell Lung Cancer[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(04):43-51.
夏尽力,蔡玥娇,吴新鸿等.肺岩宁方调控EMT逆转非小细胞肺癌顺铂耐药[J].中国实验方剂学杂志,2023,29(04):43-51. DOI: 10.13422/j.cnki.syfjx.2022002024.
XIA Jinli,CAI Yuejiao,WU Xinhong,et al.Chinese Herbal Medicine Feiyanning Prescription Regulates EMT to Reverse Cisplatin Resistance in Non-small Cell Lung Cancer[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(04):43-51. DOI: 10.13422/j.cnki.syfjx.2022002024.
目的
2
观察肺岩宁方(肺岩宁)对非小细胞肺癌顺铂耐药的影响,并探究其可能存在的机制。
方法
2
细胞增殖与活性检测(CCK-8)法观察顺铂(0、2.0、4.0、6.0、8.0、10.0 mg⋅L
-1
)对A549和A549/DDP(顺铂耐药)细胞细胞增殖能力的影响,肺岩宁(0、100、200、300、400、500、600 mg⋅L
-1
)对A549/DDP细胞增殖能力影响;免疫荧光染色、蛋白免疫印迹法(WB)观察A549和A549/DDP组上皮间质转化(EMT)相关蛋白表达;将A549/DDP细胞分为空白组、肺岩宁组(200 mg⋅L
-1
)、顺铂组(6.0 mg⋅L
-1
)和联合用药组[肺岩宁(200 mg⋅L
-1
)+顺铂(6.0 mg⋅L
-1
)],并进行相应处理,侵袭小室(transwell)实验比较各组侵袭能力;WB检测各组EMT相关蛋白表达;实时荧光定量聚合酶链式反应(Real-time PCR)和免疫荧光染色分别检测各组耐药因子mRNA和蛋白表达。
结果
2
与A549组比较,A549/DDP组对顺铂耐药性显著增高(
P
<
0.01);E-钙黏蛋白(E-cadherin)蛋白表达降低,波形蛋白(Vimentin)、N-钙黏蛋白(N-cadherin)、锌指转录因子(Snail)蛋白表达升高(
P
<
0.05,
P
<
0.01)。经肺岩宁、顺铂处理后,与空白组比较,肺岩宁可浓度依赖性抑制A549/DDP细胞增殖(
P
<
0.01);肺岩宁组、顺铂组、联合用药组侵袭能力降低(
P
<
0.01);与顺铂组比较,联合用药组侵袭能力显著降低(
P
<
0.01)。与空白组比较,肺岩宁组E-cadherin蛋白表达升高,N-cadherin、Vimentin、Snail蛋白表达降低(
P
<
0.01),顺铂组E-cadherin、N-cadherin、Vimentin蛋白表达降低,Snail蛋白表达升高(
P
<
0.05,
P
<
0.01);联合用药组E-cadherin、N-cadherin、Vimentin、Snail蛋白表达降低(
P
<
0.01);与顺铂组比较,联合用药组E-cadherin蛋白表达升高,N-cadherin、Vimentin、Snail蛋白表达降低(
P
<
0.01)。与空白组比较,肺岩宁组肺耐药相关蛋白(LRP)、多药耐药因子1(MDR1)蛋白和mRNA表达降低,拓扑异构酶Ⅱ
α
(TOPO Ⅱ
α
)蛋白和mRNA表达升高(
P
<
0.01);顺铂组LRP、MDR1、TOPO Ⅱ
α
蛋白和mRNA表达升高(
P
<
0.01);联合用药组LRP蛋白和mRNA表达无明显改变,MDR1、TOPO Ⅱ
α
蛋白和mRNA表达升高(
P
<
0.01);与顺铂组比较,肺岩宁组、联合用药组LRP、MDR1蛋白和mRNA表达降低,TOPO Ⅱ
α
蛋白和mRNA表达升高(
P
<
0.01);与肺岩宁组比较,联合用药组LRP、MDR1、TOPO Ⅱ
α
蛋白和mRNA表达升高(
P
<
0.01)。
结论
2
肺岩宁方能够逆转非小细胞肺癌顺铂耐药,其机制可能与调控EMT进程相关。
Objective
2
To observe the effect of Feiyanning prescription (FYN) on cisplatin (DDP) resistance in non-small cell lung cancer (NSCLC) and explore the underlying mechanism.
Method
2
Cell counting kit-8 (CCK-8) assay was used to detect the proliferation of A549 and A549/DDP (DDP-resistant) cells treated by DDP (0, 2.0, 4.0, 6.0, 8.0, 10.0 mg⋅L
-1
) and the proliferation of A549/DDP cells treated by FYN (0, 100, 200, 300, 400, 500, 600 mg⋅L
-1
). Based on immunofluorescence staining and Western blot (WB), the expression of epithelial mesenchymal transition (EMT)-related proteins in A549 and A549/DDP groups was observed. A549/DDP cells were classified into control group, FYN group (200 mg⋅L
-1
), DDP group (6.0 mg⋅L
-1
), and combination group [FYN (200 mg⋅L
-1
) + DDP (6.0 mg⋅L
-1
)] and respectively treated with corresponding drugs. Then, invasion ability of each group was examined by transwell assay, and the expression of EMT-related proteins in each group by WB. Moreover, real-time fluorescence quantitative polymerase chain reaction(Real-time PCR) and immunofluorescence staining were separately applied to detect the mRNA and protein expression of drug resistance-related factors in each group, respectively.
Result
2
Compared with A549 group, A549/DDP group showed high resistance to DDP (
P
<
0.01), low expression of E-cadherin, and high protein expression of Vimentin, N-cadherin, and Snail (
P
<
0.05,
P
<
0.01). As compared with the control group, FYN inhibited the proliferation of A549/DDP cells in a concentration-dependent manner (
P
<
0.01), and the FYN group, DDP group, and combination group demonstrated low invasion ability (
P
<
0.01). In addition, the invasion ability in the combination group was particularly lower than that in the DDP group (
P
<
0.01). The expression of E-cadherin protein was higher and the protein expression of N-cadherin, Vimentin, and Snail was lower in the in FYN group than in the control group (
P
<
0.01). The protein expression of E-cadherin, N-cadherin, and Vimentin was lower and the expression of Snail was higher in the DDP group than in the control group (
P
<
0.05,
P
<
0.01). The protein expression of E-cadherin, N-cadherin, Vimentin, and Snail in the combination group decreased as compared with that in the control group (
P
<
0.01). Compared with the DDP alone, the combination raised the expression of E-cadherin and lowered the protein expression of N-cadherin, Vimentin, and Snail (
P
<
0.01). The protein and mRNA expression of lung resistance-related protein (LRP) and multidrug resistance 1 (MDR1) was lower and the protein and mRNA expression of topoisomerase Ⅱ
α
(TOPO Ⅱ
α
) was higher in the FYN group than in the control group (
P
<
0.01). The protein and mRNA expression of LRP, MDR1, and TOPO Ⅱ
α
was higher in the DDP group than in the control group (
P
<
0.01). The expression of LRP protein and mRNA showed no significant variation, but the protein and mRNA expression of MDR1 and TOPO Ⅱ
α
increased in the combination group compared with those in the control group (
P
<
0.01). Compared with the DDP group, FYN group and combination group showed low protein and mRNA expression of LRP and MDR1 and high protein and mRNA expression of TOPO Ⅱ
α
(
P
<
0.01). Compared with FYN, the combination elevated the protein and mRNA expression of LRP, MDR1, and TOPO Ⅱ
α
(
P
<
0.01).
Conclusion
2
FYN prescription can reverse the DDP resistance of NSCLC by modulating EMT.
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