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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Dermatol Ther. 2013 Mar-Apr;26(2):10.1111/dth.12025. doi: 10.1111/dth.12025

FIG. 2.

FIG. 2

Molecular anatomy of itch. Channels and receptors on the surface of keratinocytes and nerve fibers respond to various mediators. Several examples are provided. The mechanisms by which keratinocytes and neurons communicate with each other are under investigation. DRG, dorsal root ganglia; IL-31, dorsal root ganglia; GPCR, G-protein coupled receptor; TRP, transient receptor potential.