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- Title
High‐Throughput Isolation of Cell Protrusions with Single‐Cell Precision for Profiling Subcellular Gene Expression.
- Authors
Zhang, Pengchao; Han, Xin; Yao, Jun; Shao, Ning; Zhang, Kai; Zhou, Yufu; Zu, Youli; Wang, Bin; Qin, Lidong
- Abstract
Invading cancer cells extend cell protrusions, which guide cancer‐cell migration and invasion, eventually leading to metastasis. The formation and activity of cell protrusions involve the localization of molecules and organelles at the cell front; however, it is challenging to precisely isolate these subcellular structures at the single‐cell level for molecular analysis. Here, we describe a newly developed microfluidic platform capable of high‐throughput isolation of cell protrusions at single‐cell precision for profiling subcellular gene expression. Using this microfluidic platform, we demonstrate the efficient generation of uniform cell‐protrusion arrays (more than 5000 cells with protrusions) for a series of cell types. We show precise isolation of cell protrusions with high purity at single‐cell precision for subsequent RNA‐Seq analysis, which was further validated by RT‐qPCR and RNA FISH. Our highly controlled protrusion isolation method opens a new avenue for the study of subcellular functional mechanisms and signaling pathways in metastasis.
- Subjects
GENE expression profiling; ORGANELLES; CANCER cells; CANCER cell migration
- Publication
Angewandte Chemie, 2019, Vol 131, Issue 39, p13838
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201903694