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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Hung, Mien-chie Zhang, Kai Qin, Lidong Chou, Chao-kai Xia, Xiaofeng |
| Description | Author Affiliation: Zhang K ( Department of Nanomedicine and Department of Systems Medicine and Bioengineering, Houston Methodist Research Institute, Houston, TX 77030.); |
| Abstract | A unique live-cell printing technique, termed 'Block-Cell-Printing' (BloC-Printing), allows for convenient, precise, multiplexed, and high-throughput printing of functional single-cell arrays. Adapted from woodblock printing techniques, the approach employs microfluidic arrays of hook-shaped traps to hold cells at designated positions and directly transfer the anchored cells onto various substrates. BloC-Printing has a minimum turnaround time of 0.5 h, a maximum resolution of 5 µm, close to 100% cell viability, the ability to handle multiple cell types, and efficiently construct protrusion-connected single-cell arrays. The approach enables the large-scale formation of heterotypic cell pairs with controlled morphology and allows for material transport through gap junction intercellular communication. When six types of breast cancer cells are allowed to extend membrane protrusions in the BloC-Printing device for 3 h, multiple biophysical characteristics of cells--including the protrusion percentage, extension rate, and cell length--are easily quantified and found to correlate well with their migration levels. In light of this discovery, BloC-Printing may serve as a rapid and high-throughput cell protrusion characterization tool to measure the invasion and migration capability of cancer cells. Furthermore, primary neurons are also compatible with BloC-Printing. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 8 |
| Volume Number | 111 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2014-02-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Cell Engineering Cells Cytology Molecular Conformation Tissue Array Analysis Cell Communication Physiology Cell Culture Techniques Instrumentation Cell Movement Cell Survival Micromanipulation Neoplasm Invasiveness Physiopathology Printing Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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