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Automated single-cell motility analysis on a chip using lensfree microscopy.


ABSTRACT: Quantitative cell motility studies are necessary for understanding biophysical processes, developing models for cell locomotion and for drug discovery. Such studies are typically performed by controlling environmental conditions around a lens-based microscope, requiring costly instruments while still remaining limited in field-of-view. Here we present a compact cell monitoring platform utilizing a wide-field (24?mm(2)) lensless holographic microscope that enables automated single-cell tracking of large populations that is compatible with a standard laboratory incubator. We used this platform to track NIH 3T3 cells on polyacrylamide gels over 20?hrs. We report that, over an order of magnitude of stiffness values, collagen IV surfaces lead to enhanced motility compared to fibronectin, in agreement with biological uses of these structural proteins. The increased throughput associated with lensfree on-chip imaging enables higher statistical significance in observed cell behavior and may facilitate rapid screening of drugs and genes that affect cell motility.

SUBMITTER: Pushkarsky I 

PROVIDER: S-EPMC3989554 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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Automated single-cell motility analysis on a chip using lensfree microscopy.

Pushkarsky Ivan I   Liu Yunbo Y   Weaver Westbrook W   Su Ting-Wei TW   Mudanyali Onur O   Ozcan Aydogan A   Di Carlo Dino D  

Scientific reports 20140417


Quantitative cell motility studies are necessary for understanding biophysical processes, developing models for cell locomotion and for drug discovery. Such studies are typically performed by controlling environmental conditions around a lens-based microscope, requiring costly instruments while still remaining limited in field-of-view. Here we present a compact cell monitoring platform utilizing a wide-field (24 mm(2)) lensless holographic microscope that enables automated single-cell tracking o  ...[more]

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