This article was originally intended for publication in the In Vivo Flow Cytometry special issue (volume 79A, issue 10, 2011)
Technical Note
An optical platform for cell tracking in adult zebrafish†
Article first published online: 7 DEC 2011
DOI: 10.1002/cyto.a.21167
Copyright © 2011 International Society for Advancement of Cytometry
Additional Information
How to Cite
Zhang, L., Alt, C., Li, P., White, R. M., Zon, L. I., Wei, X. and Lin, C. P. (2012), An optical platform for cell tracking in adult zebrafish. Cytometry Part A, 81A: 176–182. doi: 10.1002/cyto.a.21167
- †
Publication History
- Issue published online: 23 JAN 2012
- Article first published online: 7 DEC 2011
- Manuscript Accepted: 16 OCT 2011
- Manuscript Revised: 1 SEP 2011
- Manuscript Received: 18 MAR 2011
Funded by
- China Scholarship Council (CSC). Grant Number: 2008610061
- NIH. Grant Number: HL97794
Keywords:
- In vivo flow cytometry (IVFC);
- in vivo confocal microscopy;
- circulating cells;
- adult zebrafish
Abstract
Adult zebrafish are being increasingly used as a model in cancer and stem cell research. Here we describe an integrated optical system that combines a laser scanning confocal microscope (LSCM) and an in vivo flow cytometer (IVFC) for simultaneous visualization and cell quantification. The system is set up specifically for non-invasive tracking of both stationary and circulating cells in adult zebrafish (casper) that have been engineered to be optically transparent. Confocal imaging in this instrument serves the dual purpose of visualizing fish tissue microstructure and an imaging-based guide to locate a suitable vessel for quantitative analysis of circulating cells by IVFC. We demonstrate initial testing of this novel instrument by imaging the transparent adult zebrafish casper vasculature and tracking circulating cells in CD41-GFP/Gata1-DsRed transgenic fish whose thrombocytes/erythrocytes express the green and red fluorescent proteins. In vivo measurements allow cells to be tracked under physiological conditions in the same fish over time, without drawing blood samples or sacrificing animals. We also discuss the potential applications of this instrument in biomedical research. © 2011 International Society for Advancement of Cytometry

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