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Gene Review

Npb  -  neuropeptide B

Rattus norvegicus

Synonyms: Neuropeptide B, Preproprotein L7, rPPL7
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Disease relevance of Npb

  • I.t. injection of either NPW23 or NPB decreased the number of agitation behaviors induced by paw formalin injection and attenuated the level of mechanical allodynia, but not the level of thermal hyperalgesia, induced by paw carrageenan injection in a dose-dependent manner at a dose between 0.1 and 10 microg, significantly [1].

High impact information on Npb


Associations of Npb with chemical compounds

  • The effects of intrathecal (i.t.) application of NPW23 and NPB were tested in two inflammatory pain models (plantar injection of formalin or carrageenan) and two thermal nociceptive tests (52.5 degrees C and 50.5 degrees C hot plates) and one mechanical nociceptive test in the rat [1].
  • However, NPB, when injected into the lateral cerebroventricle (i.c.v.) of conscious, unrestrained male rats, elevated prolactin and corticosterone, and lowered GH levels in circulation [4].

Analytical, diagnostic and therapeutic context of Npb

  • Although preliminary analyses show roles in feeding, hormone secretion, and analgesia, the lack of a detailed anatomical map impairs our understanding of the NPB/NPW system [3].
  • We demonstrate in this report the expression patterns of GPR7, NPB, and NPW precursor messenger ribonucleic acid (mRNA) in the rat brain by using in situ hybridization and in situ binding experiments [3].
  • Intrathecal injection of either neuropeptide W-23 or neuropeptide B attenuated the level of mechanical allodynia in a dose dependent manner at a dose between 0.1 and 10 microg, but i.c.v. injection of either neuropeptide W-23 or neuropeptide B had no effect on the level of mechanical allodynia at a dose between 3 and 30 microg [2].


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