Icrac on QPatch - Sophion

Icrac on QPatch


Author(s): M Knirke Jensen, Rikke Perrier Schrøder, Hervor Lykke Olsen


Rat basophilic leukaemia (RBL) cells endogenously express calcium-release-activated-calcium (CRAC) channels (1). CRAC channels are activated by depletion of intracellular calcium stores, probably via the involvement of STIM-1 (stromal interaction molecule) sensing the depletion of the stores and travelling to the cell membrane activating the channel (2, 3). Several approaches can be used to deplete calcium stores ultimately leading to activation of ICRAC and most of these have been tried on QPatch. This document describes the results of these experiments and discusses the best conditions for studying ICRAC with QPatch.

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