iClima: a ratiometric genetically encoded sensor for optical imaging of fast GABAergic chloride currents in vitro and in vivo
Giacomo Pasquini, Simone Giubbolini, Gabriele Nardi, Marco Brondi, Erko Beyene, Caterina Balsi, Alberto Egidi, Hanako Tsushima Semini, Silvia Landi, Marta Stancampiano, Andrew D. Beale, Emily M. Watson, Rachel S. Edgar, John Stuart O'Neill, Daniele Arosio, , Gian Michele Ratto
The paper introduces iClima, a ratiometric genetically encoded sensor for imaging GABAergic chloride currents, showing it can detect Cl- transients in vitro and in vivo with improved photostability and pH independence.
bioRxiv · Sep 2, 2026 · PreprintNeuroscience