Article
CLOCK regulates the circadian rhythm of kaolin-induced writhing behavior in mice.
Neuroreport - 3 Dec 2007
Oishi Katsutaka, Ohkura Naoki, Sei Hiroyoshi, Matsuda Juzo, Ishida Norio
Abstract excerpt
Kaolin-induced writhing reaction is a simple and convenient model of bradykinin-induced pain for assessment of analgesic actions. In this study, we demonstrated that the number of kaolin-induced writhing reaction was fluctuated in a circadian manner that peaked at the end of the resting period (dusk) and reduced during the active (dark) period in mice. Circadian rhythm of the writhing intensity was completely...
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