4.7 Article

Cells function as a ternary logic gate to decide migration direction under integrated chemical and fluidic cues

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LAB ON A CHIP
卷 -, 期 -, 页码 -

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2tc00807f

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资金

  1. National Institutes of Health
  2. National Science Foundation
  3. [U01 HL143403]
  4. [R01 CA254110]
  5. [R61 HL 159948]
  6. [U01 CA274304]
  7. [P30 CA023168]
  8. [MCB-2134603]
  9. [MCB-1936761]
  10. [PHY-1945018]

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This study investigated the cellular signal processing machinery by reverse-engineering directed cell migration under integrated chemical and fluidic cues. A cellular signal processing system based on a selection gate was constructed to understand how cells decode multiple cues and make decisions about migration direction.
Cells sense various environmental cues and subsequently process intracellular signals to decide their migration direction in many physiological and pathological processes. Although several signaling molecules and networks have been identified in these directed migrations, it still remains ambiguous to predict the migration direction under multiple and integrated cues, specifically chemical and fluidic cues. Here, we investigated the cellular signal processing machinery by reverse-engineering directed cell migration under integrated chemical and fluidic cues. We imposed controlled chemical and fluidic cues to cells using a microfluidic platform and analyzed the extracellular coupling of the cues with respect to the cellular detection limit. Then, the cell's migratory behavior was reverse-engineered to build a cellular signal processing system as a logic gate, which is based on a selection gate. This framework is further discussed with a minimal intracellular signaling network of a shared pathway model. The proposed framework of the ternary logic gate suggests a systematic view to understand how cells decode multiple cues and make decisions about the migration direction.

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