Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-2
pubmed:dateCreated
1997-5-29
pubmed:abstractText
We reported here purification and characterization of a novel heptadecapeptide in bovine brain as an endogenous ligand for ROR-C, an opioid receptor homologue cloned from rat cerebrum. The amino acid sequence of the peptide that we purified is identical to those recently identified as nociceptin in rat brain and orphanin FQ in porcine brain. The peptide inhibited the forskolin-induced cyclic AMP accumulation in ROR-C expressing Chinese hamster ovary cells. Studies on inhibitory activity of cyclic AMP accumulation and Northern blot analysis showed that the peptide and its precursor mRNA are present in a number of brain regions, less abundant in the spina cord, and negligible in the cerebellum. In situ hybridization analysis revealed that hybridization-positive neurons were distributed in the superficial layer (lamina I) of the dorsal horn and were also interspersed between the tract of Lissauer in the spinal cord. Intrathecal administration of the peptide into conscious mice induced allodynia, a pain response to innocuous tactile stimuli, in a beli-shaped manner. These results demonstrate that the peptide exists in the brain and spinal cord and plays an important role in pain transmission.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0169-328X
pubmed:author
pubmed:issnType
Print
pubmed:day
31
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
96-104
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1996
pubmed:articleTitle
Identification and characterization of an endogenous ligand for opioid receptor homologue ROR-C: its involvement in allodynic response to innocuous stimulus.
pubmed:affiliation
Department of Medical Chemistry, Kansai Medical University, Moriguchi, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't