Longevity News

Light-activated tetanus neurotoxin for conditional proteolysis and inducible synaptic inhibition in vivo

Source: Nature - Biotechnology • Published: 30 Jul 2026, 00:00

Light-activated tetanus neurotoxin for conditional proteolysis and inducible synaptic inhibition in vivo

Describes engineering a light-activated tetanus protease that enables spatially precise, reversible proteolysis to silence synapses and control cellular outputs.

Key Takeaways
  • LATeNT’s activity is undetectable in the dark
  • Here we show that LATeNT works across multiple brain regions and at long-range axonal projections
  • LATeNT regulated endogenous insulin secretion from pancreatic beta cells and converted drug exposure
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