Mice genetically deficient in neuromedin U receptor 2, but not neuromedin U receptor 1, have impaired nociceptive responses.
Torres R, Croll SD, Vercollone J, Reinhardt J, Griffiths J, Zabski S, Anderson KD, Adams NC, Gowen L, Sleeman MW, Valenzuela DM, Wiegand SJ, Yancopoulos GD, Murphy AJ. Mice genetically deficient in neuromedin U receptor 2, but not neuromedin U receptor 1, have impaired nociceptive responses. Pain. 2007 Aug; 130(3):267-278.