Transient receptor potential M3 channels are ionotropic steroid receptors in pancreatic beta cells2008-12 Wagner TF, Loch S, Lambert S, Straub I, Mannebach S, Mathar I, Düfer M, Lis A, Flockerzi V, Philipp SE, Oberwinkler JTransient receptor potential (TRP) cation channels are renowned for their ability to sense diverse chemical stimuli.