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Issue 5-6, 2010
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Microfluidics-integrated time-lapse imaging for analysis of cellular dynamics

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An understanding of the mechanisms regulating cellular responses has recently been augmented by innovations enabling the observation of phenotypes at high spatio-temporal resolution. Technologies such as microfluidics have sought to expand the throughput of these methods, although assimilation with advanced imaging strategies has been limited. Here, we describe the pairing of high resolution time-lapse imaging with microfluidic multiplexing for the analysis of cellular dynamics, utilizing a design selected for facile fabrication and operation, and integration with microscopy instrumentation. This modular, medium-throughput platform enables the long-term imaging of living cells at high numerical aperture (via oil immersion) by using a conserved 96-well, ∼6 × 5 mm2 imaging area with a variable input/output channel design chosen for the number of cell types and microenvironments under investigation. In the validation of this system, we examined fundamental features of cell cycle progression, including mitotic kinetics and spindle orientation dynamics, through the high-resolution parallel analysis of model cell lines subjected to anti-mitotic agents. We additionally explored the self-renewal kinetics of mouse embryonic stem cells, and demonstrate the ability to dynamically assess and manipulate stem cell proliferation, detect rare cell events, and measure extended time-scale correlations. We achieved an experimental throughput of >900 cells/experiment, each observed at >40× magnification for up to 120 h. Overall, these studies illustrate the capacity to probe cellular functions and yield dynamic information in time and space through the integration of a simple, modular, microfluidics-based imaging platform.

Graphical abstract: Microfluidics-integrated time-lapse imaging for analysis of cellular dynamics

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Publication details

The article was received on 12 Nov 2009, accepted on 05 Feb 2010 and first published on 19 Mar 2010

Article type: Technical Innovation
DOI: 10.1039/B923699F
Citation: Integr. Biol., 2010,2, 278-287
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    Microfluidics-integrated time-lapse imaging for analysis of cellular dynamics

    D. R. Albrecht, G. H. Underhill, J. Resnikoff, A. Mendelson, S. N. Bhatia and J. V. Shah, Integr. Biol., 2010, 2, 278
    DOI: 10.1039/B923699F

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