Study of Drug Resistance in Chemotherapy Induced by Extracellular Vesicles on a Microchip
Drug resistance in chemotherapy has been greatly challenging for cancer treatment. Research has revealed that extracellular vesicles (EVs) secreted by drug-resistant cells could induce chemoresistance in susceptible cells. However, there are few ways to give direct evidence of it. Herein, we have proposed a microchip-based system to study the drug resistance of a wild-type human lung adenocarcinoma cell line (A549/WT) induced by EVs derived from A549/DDP cells that are resistant to cisplatin (DDP) inherently. EVs derived from A549/DDP were proved to be the crucial factor that enhanced the resistance of A549/WT to DDP through live and dead cell staining, cell viability testing, and immunofluorescence of P-glycoprotein in the off-chip assay. Then, it was further validated that drug resistance of A549/WT cells to DDP significantly increased after being cocultured with A549/DDP cells within 96 h in the on-chip assay. These findings proved that the change of A549/WT drug resistance was caused by intercellular interaction, which was mainly mediated by EVs. In addition, we successfully reversed the EV-induced drug resistance of A549/WT cells by combining DDP and metformin, a hypoglycemic drug with low cytotoxicity when used alone. This microchip system provides a novel tool that has great potential for the investigation of cell interaction, drug resistance, and the tumor microenvironment in fundamental and clinical medicine.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:94 |
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| Enthalten in: |
Analytical chemistry - 94(2022), 48 vom: 06. Dez., Seite 16919-16926 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fang, Tianyuan [VerfasserIn] |
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| Links: |
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| Themen: |
Antineoplastic Agents |
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| Anmerkungen: |
Date Completed 07.12.2022 Date Revised 20.12.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.analchem.2c04330 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM349338329 |
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| 520 | |a Drug resistance in chemotherapy has been greatly challenging for cancer treatment. Research has revealed that extracellular vesicles (EVs) secreted by drug-resistant cells could induce chemoresistance in susceptible cells. However, there are few ways to give direct evidence of it. Herein, we have proposed a microchip-based system to study the drug resistance of a wild-type human lung adenocarcinoma cell line (A549/WT) induced by EVs derived from A549/DDP cells that are resistant to cisplatin (DDP) inherently. EVs derived from A549/DDP were proved to be the crucial factor that enhanced the resistance of A549/WT to DDP through live and dead cell staining, cell viability testing, and immunofluorescence of P-glycoprotein in the off-chip assay. Then, it was further validated that drug resistance of A549/WT cells to DDP significantly increased after being cocultured with A549/DDP cells within 96 h in the on-chip assay. These findings proved that the change of A549/WT drug resistance was caused by intercellular interaction, which was mainly mediated by EVs. In addition, we successfully reversed the EV-induced drug resistance of A549/WT cells by combining DDP and metformin, a hypoglycemic drug with low cytotoxicity when used alone. This microchip system provides a novel tool that has great potential for the investigation of cell interaction, drug resistance, and the tumor microenvironment in fundamental and clinical medicine | ||
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| 700 | 1 | |a Chen, Zhanhong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Bo |e verfasserin |4 aut | |
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