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Microfluidic Lab-on-a-Chip for Studies of Cell Migration under Spatial Confinement.

Federico SalaCarlotta FicorellaRoberto OsellameJoseph Alfons KäsRebeca Martínez Vázquez
Published in: Biosensors (2022)
Understanding cell migration is a key step in unraveling many physiological phenomena and predicting several pathologies, such as cancer metastasis. In particular, confinement has been proven to be a key factor in the cellular migration strategy choice. As our insight in the field improves, new tools are needed in order to empower biologists' analysis capabilities. In this framework, microfluidic devices have been used to engineer the mechanical and spatial stimuli and to investigate cellular migration response in a more controlled way. In this work, we will review the existing technologies employed in the realization of microfluidic cellular migration assays, namely the soft lithography of PDMS and hydrogels and femtosecond laser micromachining. We will give an overview of the state of the art of these devices, focusing on the different geometrical configurations that have been exploited to study specific aspects of cellular migration. Our scope is to highlight the advantages and possibilities given by each approach and to envisage the future developments in in vitro migration studies under spatial confinement in microfluidic devices.
Keyphrases
  • cell migration
  • high throughput
  • circulating tumor cells
  • single cell
  • drug delivery
  • squamous cell carcinoma
  • label free
  • young adults
  • case control
  • papillary thyroid
  • lymph node metastasis