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Rapid purification of lung cancer cells in pleural effusion through spiral microfluidic channels for diagnosis improvement

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Abstract

Lung cancer is one of the leading causes of death worldwide. Fifteen percent of lung cancer patients will present with malignant pleural effusion initially, and up to 50% will have malignant pleural effusion throughout the course of the disease. In this study, we developed a spiral microfluidic device that can rapidly isolate cancer cells and improve their purity through fluid dynamics. This label-free, high-throughput device continuously isolates cancer cells and other unrelated molecules from pleural effusion. Most of the background cells that affect interpretation are flushed to outlets 1 to 3, and cancer cells are hydrodynamically concentrated to outlet 4, with 90% of lung cancer cells flowing to this outlet. After processing, the purity of cancer cells identified in pleural effusion by CD45 and epithelial cell adhesion molecule (EpCAM) antibodies in flow cytometry will be increased by 6 to 24 times. The microfluidic device presented here has the advantages of rapid processing and low cost, which are conducive to rapid and accurate clinical diagnosis.

Graphical abstract: Rapid purification of lung cancer cells in pleural effusion through spiral microfluidic channels for diagnosis improvement

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Supplementary files

Article information


Submitted
25 Jun 2020
Accepted
11 Sep 2020
First published
17 Sep 2020

Lab Chip, 2020, Advance Article
Article type
Paper

Rapid purification of lung cancer cells in pleural effusion through spiral microfluidic channels for diagnosis improvement

P. Tsou, P. Chiang, Z. Lin, H. Yang, H. Song and B. Li, Lab Chip, 2020, Advance Article , DOI: 10.1039/D0LC00663G

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