Ruiling Pan, Tiancheng He, Kun Zhang, Lewei Zhu, Jiawei Lin, Peixian Chen, Xiangwei Liu, Huiqi Huang, Dan Zhou, Wei Li, Shuqing Yang, Guolin Ye
{"title":"装载 siS100A4 的肿瘤靶向细胞外囊泡用于抑制乳腺癌术后转移","authors":"Ruiling Pan, Tiancheng He, Kun Zhang, Lewei Zhu, Jiawei Lin, Peixian Chen, Xiangwei Liu, Huiqi Huang, Dan Zhou, Wei Li, Shuqing Yang, Guolin Ye","doi":"10.1007/s12195-022-00757-5","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>S100A4 promotes the establishment of tumor microenvironment for malignant cancer cells, and knockdown of S100A4 can inhibit tumorigenesis. However, there is no efficient way to target S100A4 in metastatic tumor tissues. Here, we investigated the role of siS100A4-loaded iRGD-modified extracellular vesicles (siS100A4-iRGD-EVs) in postoperative breast cancer metastasis.</p><p><strong>Methods: </strong>siS100A4-iRGD-EVs nanoparticles were engineered and analyzed using TEM and DLS. siRNA protection, cellular uptake, and cytotoxicity of EV nanoparticles were examined <i>in vitro</i>. Postoperative lung metastasis mouse model was created to investigate the tissue distribution and anti-metastasis roles of nanoparticles <i>in vivo</i>.</p><p><strong>Results: </strong>siS100A4-iRGD-EVs protected siRNA from RNase degradation, enhanced the cellular uptake and compatibility <i>in vitro</i>. Strikingly, iRGD-modified EVs significantly increased tumor organotropism and siRNA accumulation in lung PMNs compared to siS100A4-EVs <i>in vivo</i>. Moreover, siS100A4-iRGD-EVs treatment remarkedly attenuated lung metastases from breast cancer and increased survival rate of mice through suppressing S100A4 expression in lung.</p><p><strong>Conclusions: </strong>siS100A4-iRGD-EVs nanoparticles show more potent anti-metastasis effect in postoperative breast cancer metastasis mouse model.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12195-022-00757-5.</p>","PeriodicalId":9687,"journal":{"name":"Cellular and molecular bioengineering","volume":"16 2","pages":"117-125"},"PeriodicalIF":2.3000,"publicationDate":"2023-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10121989/pdf/","citationCount":"0","resultStr":"{\"title\":\"Tumor-Targeting Extracellular Vesicles Loaded with siS100A4 for Suppressing Postoperative Breast Cancer Metastasis.\",\"authors\":\"Ruiling Pan, Tiancheng He, Kun Zhang, Lewei Zhu, Jiawei Lin, Peixian Chen, Xiangwei Liu, Huiqi Huang, Dan Zhou, Wei Li, Shuqing Yang, Guolin Ye\",\"doi\":\"10.1007/s12195-022-00757-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>S100A4 promotes the establishment of tumor microenvironment for malignant cancer cells, and knockdown of S100A4 can inhibit tumorigenesis. However, there is no efficient way to target S100A4 in metastatic tumor tissues. Here, we investigated the role of siS100A4-loaded iRGD-modified extracellular vesicles (siS100A4-iRGD-EVs) in postoperative breast cancer metastasis.</p><p><strong>Methods: </strong>siS100A4-iRGD-EVs nanoparticles were engineered and analyzed using TEM and DLS. siRNA protection, cellular uptake, and cytotoxicity of EV nanoparticles were examined <i>in vitro</i>. Postoperative lung metastasis mouse model was created to investigate the tissue distribution and anti-metastasis roles of nanoparticles <i>in vivo</i>.</p><p><strong>Results: </strong>siS100A4-iRGD-EVs protected siRNA from RNase degradation, enhanced the cellular uptake and compatibility <i>in vitro</i>. Strikingly, iRGD-modified EVs significantly increased tumor organotropism and siRNA accumulation in lung PMNs compared to siS100A4-EVs <i>in vivo</i>. 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Tumor-Targeting Extracellular Vesicles Loaded with siS100A4 for Suppressing Postoperative Breast Cancer Metastasis.
Introduction: S100A4 promotes the establishment of tumor microenvironment for malignant cancer cells, and knockdown of S100A4 can inhibit tumorigenesis. However, there is no efficient way to target S100A4 in metastatic tumor tissues. Here, we investigated the role of siS100A4-loaded iRGD-modified extracellular vesicles (siS100A4-iRGD-EVs) in postoperative breast cancer metastasis.
Methods: siS100A4-iRGD-EVs nanoparticles were engineered and analyzed using TEM and DLS. siRNA protection, cellular uptake, and cytotoxicity of EV nanoparticles were examined in vitro. Postoperative lung metastasis mouse model was created to investigate the tissue distribution and anti-metastasis roles of nanoparticles in vivo.
Results: siS100A4-iRGD-EVs protected siRNA from RNase degradation, enhanced the cellular uptake and compatibility in vitro. Strikingly, iRGD-modified EVs significantly increased tumor organotropism and siRNA accumulation in lung PMNs compared to siS100A4-EVs in vivo. Moreover, siS100A4-iRGD-EVs treatment remarkedly attenuated lung metastases from breast cancer and increased survival rate of mice through suppressing S100A4 expression in lung.
Conclusions: siS100A4-iRGD-EVs nanoparticles show more potent anti-metastasis effect in postoperative breast cancer metastasis mouse model.
Supplementary information: The online version contains supplementary material available at 10.1007/s12195-022-00757-5.
期刊介绍:
The field of cellular and molecular bioengineering seeks to understand, so that we may ultimately control, the mechanical, chemical, and electrical processes of the cell. A key challenge in improving human health is to understand how cellular behavior arises from molecular-level interactions. CMBE, an official journal of the Biomedical Engineering Society, publishes original research and review papers in the following seven general areas:
Molecular: DNA-protein/RNA-protein interactions, protein folding and function, protein-protein and receptor-ligand interactions, lipids, polysaccharides, molecular motors, and the biophysics of macromolecules that function as therapeutics or engineered matrices, for example.
Cellular: Studies of how cells sense physicochemical events surrounding and within cells, and how cells transduce these events into biological responses. Specific cell processes of interest include cell growth, differentiation, migration, signal transduction, protein secretion and transport, gene expression and regulation, and cell-matrix interactions.
Mechanobiology: The mechanical properties of cells and biomolecules, cellular/molecular force generation and adhesion, the response of cells to their mechanical microenvironment, and mechanotransduction in response to various physical forces such as fluid shear stress.
Nanomedicine: The engineering of nanoparticles for advanced drug delivery and molecular imaging applications, with particular focus on the interaction of such particles with living cells. Also, the application of nanostructured materials to control the behavior of cells and biomolecules.