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Lighting Up Cancer Dynamics

  • Author(s): Ravindran, Pavithran T
  • Wilson, Maxwell Z
  • et al.
Abstract

Live-cell microscopy has revealed that signaling pathways carry elaborate time-varying activities. Yet, the connection between these dynamics and cellular disease has remained elusive. Recent work leverages cellular optogenetics to analyze the Ras-to-Erk transfer function in cancer cells. These analyses reveal how changes to the filtering properties of a pathway lead to the misperception of extracellular events. Overall, these studies suggest that mutations do not simply hyperactivate pathways but rather can also change their transmission properties in more subtle ways.

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