Exploratory Research Center on Life and Living Systems 1 article published in JoVE Neuroscience Cheek Injection Model for Simultaneous Measurement of Pain and Itch-related Behaviors Yu Yamanoi1,2,3,4, Hiroki Kittaka1,2,5, Makoto Tominaga1,2,3,6 1Thermal Biology Group, Exploratory Research Center on Life and Living Systems (ExCELLS), 2Division of Cell Signaling, National Institute for Physiological Sciences, 3Department of Physiological Sciences, Graduate University for Advanced Studies (SOKENDAI), 4Research Laboratory, Ikedamohando Co., Ltd., 5Department of Molecular Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, 6Institute for Environmental and Gender-Specific Medicine, Juntendo University Typically, the mouse neck injection model is used for evaluate pruritogen-induced scratch behaviors. However, the model provides information only on itch, not pain. Here, a cheek injection model is introduced in mice which can be used to simultaneously measure pain and itch-related behaviors.
