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. 2012 Jul 18;7(7):e40787. doi: 10.1371/journal.pone.0040787

Figure 1. Logic of RNAi-based deorphanization experiment.

Figure 1

The general set of experimental outcomes for an RNAi-based deorphanization experiment focused on the GInline graphic and GInline graphic pathway are shown. Letters Inline graphic and Inline graphic each represent cAMP datasets for particular treatment conditions. Potential results are described with respect to the notion that a given ligand may act on multiple GPCRs that are not necessarily coupled to the same G protein (GInline graphic or GInline graphic). Abbreviations: NT, no treatment; Fk, forskolin; L, ligand; R, receptor; RNAi-control, control membrane preparation; RNAi-R, R-suppressed membrane preparation; Inline graphic, cAMP measurement variable. Asterisks (*) are used to denote normalized data.