https://www.selleckchem.com/
Chronic itch is a common distressing symptom of many diseases, which reduced patient's quality of life. The mechanistic study on itch and screening for new anti-itch drugs require the development of new pre-clinical itch animal models. Herein, we established an acute itch model by intradermal (i.d.) injection of low-dose formalin into the neck or cheek in mice. In mice, i.d. injection of formalin (0.1-5%) in the nape of the neck evoked robust scratching behavior in a dose-dependent manner and the dose-response curves showed an inverted "U" shape. I.d. injec
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