Fig 1: Rbfox1 expression in GABAergic ACs(A) The vast majority GABAergic ACs in the INL were Rbfox1-positive. Some GABA/Rbfox2-positive ACs are pointed with yellow arrows. Rbfox1-negative GABAergic ACs and Rbfox1-positve/GABA-negative cells are pointed with green and red arrows, respectively. (B) Rbfox1 is expressed in all cholinergic (ChAT-positive) starburst ACs both in the INL and GCL. (C) Extensive overlap of Rbfox1 with NPY expression was also observed (yellow arrows). Very few NPY-positive cells had very faint staining for Rbfox1 (pointed by green arrows).