In vivo magnetogenetics for cell-type-specific targeting and modulation of brain circuits | Nature Nanotechnology

Piezo1Magnetogeneticsmechanical

benefit of MMG(Mageneto-mechanical-genetics)

  • fast and reversible ion channel gating (almost tens of milliseconds) without any tissue heating

Problem of MMG, not enough force torque

the way they solved it is by

Cre-loxP recombinase system26,27,28 for a deterministic expression of piezo-type mechanosensitive ion channel component 1

each Piezo1 is linked to a magnetic nanoparticle and has 2 pN of torque