Nature neuroscience

Genes linked to behavior show Creld1 helps control different types of body sensation

Updated

Abstract

Postnatal knockout of Creld1 in dorsal root ganglion neurons resulted in profound behavioral deficits in touch, temperature, pain, and itch.

  • Somatosensation is mediated by dorsal root ganglion neurons that convert physical and chemical stimuli into electrical signals.
  • A targeted screen of 20 genes in mice identified Creld1 as a cross-model regulator of somatosensation.
  • Knockout of Creld1 significantly impaired the ability to sense touch, temperature, pain, and itch.
  • Overexpression of Creld1 enhanced responses to touch and thermal stimuli.
  • CRELD1 is suggested to act as an auxiliary regulator of voltage-gated sodium channels, influencing neuron excitability.

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