Mu opioid receptor-containing neurons mediate electroacupuncture-produced anti-hyperalgesia in rats with hind paw inflammation

Previous studies showed that electroacupuncture (EA) significantly attenuates inflammatory hyperalgesia in a complete Freund's adjuvant (CFA)-induced inflammatory pain rat model. The present study demonstrates that pretreatment with Derm–sap, a selective toxin for neurons that contain mu opioid...

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Veröffentlicht in:Brain research 2005-06, Vol.1048 (1), p.235-240
Hauptverfasser: Zhang, Rui-Xin, Wang, Linbo, Liu, Bing, Qiao, Jian-Tian, Ren, Ke, Berman, Brian M., Lao, Lixing
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container_issue 1
container_start_page 235
container_title Brain research
container_volume 1048
creator Zhang, Rui-Xin
Wang, Linbo
Liu, Bing
Qiao, Jian-Tian
Ren, Ke
Berman, Brian M.
Lao, Lixing
description Previous studies showed that electroacupuncture (EA) significantly attenuates inflammatory hyperalgesia in a complete Freund's adjuvant (CFA)-induced inflammatory pain rat model. The present study demonstrates that pretreatment with Derm–sap, a selective toxin for neurons that contain mu opioid receptor (MOR), specifically decreases MOR and blocks EA anti-hyperalgesia. These data suggest that spinal MOR-containing neurons are involved in the processes by which EA produces anti-hyperalgesia.
doi_str_mv 10.1016/j.brainres.2005.05.008
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These data suggest that spinal MOR-containing neurons are involved in the processes by which EA produces anti-hyperalgesia.</description><subject>Acupuncture</subject><subject>Analysis of Variance</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Blotting, Western - methods</subject><subject>Dermorphin–saporin</subject><subject>Electroacupuncture - methods</subject><subject>Freund's Adjuvant - adverse effects</subject><subject>Hindlimb - drug effects</subject><subject>Hindlimb - innervation</subject><subject>Hyperalgesia</subject><subject>Hyperalgesia - etiology</subject><subject>Hyperalgesia - therapy</subject><subject>Immunohistochemistry - methods</subject><subject>Inflammation - chemically induced</subject><subject>Inflammation - complications</subject><subject>Lectins - metabolism</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>N-Glycosyl Hydrolases</subject><subject>Nervous system (semeiology, syndromes)</subject><subject>Nervous system as a whole</subject><subject>Neurology</subject><subject>Neurons - metabolism</subject><subject>Opioid Peptides</subject><subject>Pain</subject><subject>Pain Measurement - methods</subject><subject>Radiotherapy. 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The present study demonstrates that pretreatment with Derm–sap, a selective toxin for neurons that contain mu opioid receptor (MOR), specifically decreases MOR and blocks EA anti-hyperalgesia. These data suggest that spinal MOR-containing neurons are involved in the processes by which EA produces anti-hyperalgesia.</abstract><cop>London</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier B.V</pub><pmid>15922310</pmid><doi>10.1016/j.brainres.2005.05.008</doi><tpages>6</tpages></addata></record>
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subjects Acupuncture
Analysis of Variance
Animals
Biological and medical sciences
Blotting, Western - methods
Dermorphin–saporin
Electroacupuncture - methods
Freund's Adjuvant - adverse effects
Hindlimb - drug effects
Hindlimb - innervation
Hyperalgesia
Hyperalgesia - etiology
Hyperalgesia - therapy
Immunohistochemistry - methods
Inflammation - chemically induced
Inflammation - complications
Lectins - metabolism
Male
Medical sciences
Miscellaneous
N-Glycosyl Hydrolases
Nervous system (semeiology, syndromes)
Nervous system as a whole
Neurology
Neurons - metabolism
Opioid Peptides
Pain
Pain Measurement - methods
Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects)
Random Allocation
Rat
Rats
Rats, Sprague-Dawley
Reaction Time - drug effects
Receptors, Opioid, delta - metabolism
Receptors, Opioid, mu - metabolism
Recombinant Fusion Proteins - pharmacology
Ribosome Inactivating Proteins, Type 1
Skin - drug effects
Skin - innervation
Spinal cord
Spinal Cord - cytology
Spinal Cord - drug effects
Spinal Cord - metabolism
Substance P - metabolism
title Mu opioid receptor-containing neurons mediate electroacupuncture-produced anti-hyperalgesia in rats with hind paw inflammation
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