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- W3008551438 abstract "Biological tissues contain micrometer-scale gaps and pores, including those found within extracellular matrix fiber networks, between tightly packed cells, and between blood vessels or nerve bundles and their associated basement membranes. These spaces restrict cell motion to a single-spatial dimension (1D), a feature that is not captured in traditional in vitro cell migration assays performed on flat, unconfined two-dimensional (2D) substrates. Mechanical confinement can variably influence cell migration behaviors, and it is presently unclear whether the mechanisms used for migration in 2D unconfined environments are relevant in 1D confined environments. Here, we assessed whether a cell migration simulator and associated parameters previously measured for cells on 2D unconfined compliant hydrogels could predict 1D confined cell migration in microfluidic channels. We manufactured microfluidic devices with narrow channels (60-μm2 rectangular cross-sectional area) and tracked human glioma cells that spontaneously migrated within channels. Cell velocities (vexp = 0.51 ± 0.02 μm min−1) were comparable to brain tumor expansion rates measured in the clinic. Using motor-clutch model parameters estimated from cells on unconfined 2D planar hydrogel substrates, simulations predicted similar migration velocities (vsim = 0.37 ± 0.04 μm min−1) and also predicted the effects of drugs targeting the motor-clutch system or cytoskeletal assembly. These results are consistent with glioma cells utilizing a motor-clutch system to migrate in confined environments." @default.
- W3008551438 created "2020-03-06" @default.
- W3008551438 creator A5015088853 @default.
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- W3008551438 creator A5061162609 @default.
- W3008551438 creator A5074987069 @default.
- W3008551438 date "2020-04-01" @default.
- W3008551438 modified "2023-10-14" @default.
- W3008551438 title "Predicting Confined 1D Cell Migration from Parameters Calibrated to a 2D Motor-Clutch Model" @default.
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- W3008551438 doi "https://doi.org/10.1016/j.bpj.2020.01.048" @default.
- W3008551438 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7136340" @default.
- W3008551438 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32145191" @default.
- W3008551438 hasPublicationYear "2020" @default.
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