A multifunctional nanotheranostic agent potentiates erlotinib to EGFR wild-type non-small cell lung cancer.

A multifunctional nanotheranostic agent potentiates erlotinib to EGFR wild-type non-small cell lung cancer.
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多功能纳米治疗剂增强厄洛替尼对 EGFR 野生型非小细胞肺癌的治疗作用

DOI:
10.1016/j.bioactmat.2021.10.046
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发表时间:
2022-07
影响因子:
18.9
通讯作者:
Luo L
Luo L
中科院分区:
工程技术1区
文献类型:
--
作者:
Wang D;Zhou J;Fang W;Huang C;Chen Z;Fan M;Zhang MR;Xiao Z;Hu K;Luo L

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表皮生长因子受体(EGFR)酪氨酸激酶抑制剂(TKI),如厄洛替尼,在治疗伴有EGFR突变的非小细胞肺癌(NSCLC)患者中显示出显著的疗效。然而,EGFR-TKI在野生型(Wt)EGFR肿瘤中的疗效已被证明是微乎其微的。能够使Erlotinib对EGFR野生型NSCLC敏感的方法仍然很少。在这里,我们开发了一种多功能的超顺磁性纳米抗热试剂,作为一种新的策略,将Erlotinib增强为EGFR-wt非小细胞肺癌。我们的结果表明,纳米粒子可以共同护送Erlotinib和血管内皮生长因子(VEGF)抑制剂Bevacizumab(BEV),治疗EGFR-wt肿瘤。该纳米抗癌药物对EGFR-wt肿瘤生长具有显著的抑制作用。此外,Bev使肿瘤嵌入的血管正常化,进一步促进了Erlotinib的治疗效果。此外,还可以通过磁共振成像(MRI)跟踪纳米颗粒的肿瘤结合和血管正常化。总而言之,我们的研究首次证明,精心制作的纳米颗粒可以作为一种强大的工具,将Erlotinib增强为EGFR-wt非小细胞肺癌,为成像引导下对表达EGFR野生型基因的难治性非小细胞肺癌进行纳米治疗铺平了道路。一种以厄洛替尼为基础的纳米药物对EGFR-wt非小细胞肺癌有显著的抑制作用。厄洛替尼和贝伐单抗在抑制EGFR-wt非小细胞肺癌方面具有协同作用。核磁共振被用来跟踪以厄洛替尼为基础的纳米制剂的肿瘤接触情况。
Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI), such as Erlotinib, have demonstrated remarkable efficacy in the treatment of non-small cell lung cancer (NSCLC) patients with mutated EGFR. However, the efficacy of EGFR-TKIs in wild-type (wt) EGFR tumours has been shown to be marginal. Methods that can sensitize Erlotinib to EGFR wild-type NSCLC remain rare. Herein, we developed a multifunctional superparamagnetic nanotheranostic agent as a novel strategy to potentiate Erlotinib to EGFR-wt NSCLCs. Our results demonstrate that the nanoparticles can co-escort Erlotinib and a vascular epithermal growth factor (VEGF) inhibitor, Bevacizumab (Bev), to EGFR-wt tumours. The nanotheranostic agent exhibits remarkable effects as an inhibitor of EGFR-wt tumour growth. Moreover, Bev normalizes the tumour embedded vessels, further promoting the therapeutic efficacy of Erlotinib. In addition, the tumour engagement of the nanoparticles and the vascular normalization could be tracked by magnetic resonance imaging (MRI). Collectively, our study, for the first time, demonstrated that elaborated nanoparticles could be employed as a robust tool to potentiate Erlotinib to EGFR-wt NSCLC, paving the way for imaging-guided nanotheranostics for refractory NSCLCs expressing EGFR wild-type genes. A Erlotinib-based nanoagent shows remarkable efficacy to inhibit EGFR-wt NSCLCs. Erlotinib and Bevacizumab show synergistic effects in inhibit EGFR-wt NSCLC. MRI was used to track the tumour engagement of the Erlotinib-based nanoagent.
纳米医学和纳米治疗学的无创成像:原理、进展和前景。
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DOI: 10.1039/c6nr08468k
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期刊: Nanoscale
影响因子: 6.7
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