Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/32992
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dc.contributor.authorPeng, H.Y.en_US
dc.contributor.author董光中zh_TW
dc.contributor.authorChen, G.D.en_US
dc.contributor.authorTung, K.C.en_US
dc.contributor.authorLai, C.Y.en_US
dc.contributor.authorHsien, M.C.en_US
dc.contributor.authorChiu, C.H.en_US
dc.contributor.authorLu, H.T.en_US
dc.contributor.authorLiao, J.M.en_US
dc.contributor.authorLee, S.D.en_US
dc.contributor.authorLin, T.B.en_US
dc.date2009zh_TW
dc.date.accessioned2014-06-06T07:44:38Z-
dc.date.available2014-06-06T07:44:38Z-
dc.identifier.issn0304-3959zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/32992-
dc.description.abstractWe investigated the participation of cyclin-dependent kinase-5 (Cdk5)-mediated N-methyl-D-aspartate receptor (NMDAR) NR2B subunit phosphorylation in cross-organ reflex sensitization caused by colon irritation, The external urethral sphincter electromyogram (EUSE) reflex activity evoked by the pelvic afferent nerve test stimulation (TS, I stimulation/30 s) and protein expression in the spinal cord and dorsal root ganglion tissue (T13-L2 and L6-S2 ipsilateral to the Stimulation) in response to colon mustard oil (MO) instillation were tested in anesthetized rats. When compared with a baseline reflex activity with a single action potential evoked by the TS before the administration of test agents, MO instillation into the descending colon sensitized the evoked activity characterized by elongated firing in the reflex activity in association with increased protein levels of Cdk5, PSD95, and phosphorylated NR2B (pNR2B) but not of total NR2B (tNR2B) in the spinal cord tissue. Both cross-organ reflex sensitization and increments in protein expression were reversed fly intra-colonic pretreatments with ruthenium red (a non-selective transient receptor potential vanilloid. TRPV, antagonist), capsaizepine (a TRPV(1)-selective antagonist), lidocaine (a nerve conduction blocker) as well as by the intra-thecal pretreatment with APV (a NRMDR antagonist) Co-101244 (a NR2B-selective antagonist) and roscovitine (a Cdk5 antagonist). Moreover, compared with the control group, both the increase in pNR2B and the cross-organ reflex sensitization were attenuated in the si-RNA of NR2B rats. All these results Suggested that Cdk-dependent NMDAR NR2B Subunit phosphorylation mediates the development of cross-organ pelvic-urethra reflex sensitization Caused by acute colon irritation which could possibly underlie the high concurrence of pelvic pain syndrome with irritable bowel syndrome. (C) 2009 Published by Elsevier B.V. on behalf of International Association for the Study of Pain.en_US
dc.language.isoen_USzh_TW
dc.relationPainen_US
dc.relation.ispartofseriesPain, Volume 142, Issue 1-2, Page(s) 75-88.en_US
dc.relation.urihttp://dx.doi.org/10.1016/j.pain.2008.11.017en_US
dc.subjectPelvic Painen_US
dc.subjectIrritable bowel syndromeen_US
dc.subjectConvergent pathwayen_US
dc.subjectSerineen_US
dc.subjectkinaseen_US
dc.subjectGlutamateen_US
dc.subjectcyclin-dependent kinase-5en_US
dc.subjectlong-term potentiationen_US
dc.subjectpostinjury painen_US
dc.subjecthypersensitivityen_US
dc.subjectnr2b-containing nmda receptorsen_US
dc.subjectneuronal-specificen_US
dc.subjectactivatoren_US
dc.subjectanesthetized ratsen_US
dc.subjectdorsal-hornen_US
dc.subjectnr2b subuniten_US
dc.subjectspinal-corden_US
dc.subjecttyrosine phosphorylationen_US
dc.titleColon mustard oil instillation induced cross-organ reflex sensitization on the pelvic-urethra reflex activity in ratsen_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1016/j.pain.2008.11.017zh_TW
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