... Na+ i -induced c-Fos expression deserves further investigation. Third,increasing evidence indicates that, side-by-side withregulation of the 5¢-UTR by transcription factors, geneactivation or silencing ... Journal compilation ª 2007 FEBSprotein(s) involved in [Na+] i sensing, engaging theyeast two-hybrid system.Ouabain-induced c-Fos accumulation is abolishedby inhibition of RNA synthesisFigure ... Medicine, University of Chicago, Chicago, IL, USAPreviously, we reported that elevation of the[Na+] i ⁄ [K+] i ratio, caused by sustained inhibition ofNa+⁄ K+-ATPase with ouabain or in...