Title : The neurokinin-1 receptor antagonist LY306,740 blocks nociception-induced increases in dorsal horn neurokinin-1 receptor gene expression.

Pub. Date : 1996 Nov

PMID : 8913350






7 Functional Relationships(s)
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1 Dilute formalin injected into the rat hindpaw as a nociceptive stimulus increases neurokinin-1 receptor (NK-1R) mRNA levels in the dorsal horn of the spinal cord. Formaldehyde tachykinin receptor 1 Rattus norvegicus
2 Dilute formalin injected into the rat hindpaw as a nociceptive stimulus increases neurokinin-1 receptor (NK-1R) mRNA levels in the dorsal horn of the spinal cord. Formaldehyde tachykinin receptor 1 Rattus norvegicus
3 In formalin-treated animals, the temporal pattern of peak pre-mRNA levels compared with mature mRNA indicated that chemogenic nociception either activates transcription of the NK-1R gene or decreases the rate of pre-mRNA splicing. Formaldehyde tachykinin receptor 1 Rattus norvegicus
4 In the ipsilateral lumbar dorsal hom, NK-1R mRNA levels were significantly increased at 2 and 6 hr after formalin injection. Formaldehyde tachykinin receptor 1 Rattus norvegicus
5 Levels of the NK-1R pre-mRNA containing both introns A and B were significantly increased 1 hr after formalin treatment, and levels of NK-1R pre-mRNAs containing intron A were significantly elevated at 2 hr after formalin treatment. Formaldehyde tachykinin receptor 1 Rattus norvegicus
6 Levels of the NK-1R pre-mRNA containing both introns A and B were significantly increased 1 hr after formalin treatment, and levels of NK-1R pre-mRNAs containing intron A were significantly elevated at 2 hr after formalin treatment. Formaldehyde tachykinin receptor 1 Rattus norvegicus
7 Pretreatment with LY306,740 (but not LY307,679) completely blocked the formalin-induced increase in dorsal horn NK-1R mRNA levels and significantly reduced formalin-induced behavioral activity. Formaldehyde tachykinin receptor 1 Rattus norvegicus