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[Effects of electroacupuncture at "Futu" (LI 18) on the immunoactivity of substance P, 5-HT 1 AR, etc. of the cervical spinal dorsal horn in rats with neck incision pain].
Zhen Ci Yan Jiu. 2010 Apr; 35(2):91-8.ZC

Abstract

OBJECTIVE

To observe the effect of electroacupuncture(EA) of bilateral "Futu" (LI 18) on the immunoactivity of substance P (SP), NK-1 receptor (R), cyclooxygenase-1 (COX-1), 5-HT 1 AR and 5-HT2 AR in the cervical spinal dorsal horn of rats with neck incision pain, so as to explore its underlying mechanism in relieving incision pain.

METHODS

A total of 40 Wistar rats were randomly divided into control, model (incision pain), EA-Futu(LI 18), and EA-Zusanli(ST 36)-Yanglingquan (GB 34, EA-ST 36-GB 34) groups (n = 10/group). A 1.5 cm longitudinal incision was made along the middle of the neck in pentobarbital-anesthetized rats. Pain threshold (PT) was measured using radiant heat. EA (1-2 mA, 2 Hz/15 Hz) was applied to bilateral LI 18, ST 36-GB 34 for 30 min. The expression of SP, NK-1 R, COX-1, 5-HT 1 AR and 5-HT2 AR in the spinal cord (C1-C4) tissue were detected with immunohistochemistry.

RESULTS

After the operation, the thermal PT was decreased obviously in markedly after treatment (P < 0.05), and no significant changes were found in PT in EA-ST 36-GB 34 group (P > 0.05). The immunoactivity of SP, NK-1 R, COX-1 in the superficial dorsal horn in model group was increased significantly and that of 5-HT 1 AR and 5-HT 2 AR significantly and mildly, separately compared with control group (P < 0.05). In comparison with model group, the immunoreactivity of SP, NK-1 R and COX-1 was decreased considerably, and that of 5-HT 1 AR and 5-HT 2 AR was upregulated remarkably in EA-LI 18 group (P < 0.05). No significant changes were found in the immunoactivity of SP, NK-1 R, COX-1, 5-HT 1 AR and 5-HT 2 AR in EA-ST 36-GB 34 group (P > 0.05).

CONCLUSION

EA-Futu (LI 18) can significantly suppress pain reaction of neck incision in the rat, which is closely associated with its effects in downregulating the expression of SP, NK-1 R, COX-1 and upregulating that of 5-HT 1 AR and 5-HT 2 AR in the spinal dorsal horn.

Links

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Authors+Show Affiliations

Qiao LN
Institute of Acu-moxibustion, China Academy of Chinese Medical Sciences, Beijing 100700, China.
Wang JY
No affiliation info available
Chen SP
No affiliation info available
Gao YH
No affiliation info available
Yang YS
No affiliation info available
Liu JL
No affiliation info available

MeSH

Acupuncture PointsAnimalsCyclooxygenase 1ElectroacupunctureMaleModels, AnimalPain, PostoperativeRandom AllocationRatsRats, WistarReceptor, Serotonin, 5-HT1AReceptors, Neurokinin-1Spinal CordSubstance P

Pub Type(s)

English Abstract
Journal Article

Language

chi

PubMed ID

20626139

Citation

Qiao, Li-na, et al. "[Effects of Electroacupuncture at "Futu" (LI 18) On the Immunoactivity of Substance P, 5-HT 1 AR, Etc. of the Cervical Spinal Dorsal Horn in Rats With Neck Incision Pain]." Zhen Ci Yan Jiu = Acupuncture Research, vol. 35, no. 2, 2010, pp. 91-8.
Qiao LN, Wang JY, Chen SP, et al. [Effects of electroacupuncture at "Futu" (LI 18) on the immunoactivity of substance P, 5-HT 1 AR, etc. of the cervical spinal dorsal horn in rats with neck incision pain]. Zhen Ci Yan Jiu. 2010;35(2):91-8.
Qiao, L. N., Wang, J. Y., Chen, S. P., Gao, Y. H., Yang, Y. S., & Liu, J. L. (2010). [Effects of electroacupuncture at "Futu" (LI 18) on the immunoactivity of substance P, 5-HT 1 AR, etc. of the cervical spinal dorsal horn in rats with neck incision pain]. Zhen Ci Yan Jiu = Acupuncture Research, 35(2), 91-8.
Qiao LN, et al. [Effects of Electroacupuncture at "Futu" (LI 18) On the Immunoactivity of Substance P, 5-HT 1 AR, Etc. of the Cervical Spinal Dorsal Horn in Rats With Neck Incision Pain]. Zhen Ci Yan Jiu. 2010;35(2):91-8. PubMed PMID: 20626139.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Effects of electroacupuncture at "Futu" (LI 18) on the immunoactivity of substance P, 5-HT 1 AR, etc. of the cervical spinal dorsal horn in rats with neck incision pain]. AU - Qiao,Li-na, AU - Wang,Jun-ying, AU - Chen,Shu-ping, AU - Gao,Yong-hui, AU - Yang,Yong-sheng, AU - Liu,Jun-ling, PY - 2010/7/15/entrez PY - 2010/7/16/pubmed PY - 2010/8/18/medline SP - 91 EP - 8 JF - Zhen ci yan jiu = Acupuncture research JO - Zhen Ci Yan Jiu VL - 35 IS - 2 N2 - OBJECTIVE: To observe the effect of electroacupuncture(EA) of bilateral "Futu" (LI 18) on the immunoactivity of substance P (SP), NK-1 receptor (R), cyclooxygenase-1 (COX-1), 5-HT 1 AR and 5-HT2 AR in the cervical spinal dorsal horn of rats with neck incision pain, so as to explore its underlying mechanism in relieving incision pain. METHODS: A total of 40 Wistar rats were randomly divided into control, model (incision pain), EA-Futu(LI 18), and EA-Zusanli(ST 36)-Yanglingquan (GB 34, EA-ST 36-GB 34) groups (n = 10/group). A 1.5 cm longitudinal incision was made along the middle of the neck in pentobarbital-anesthetized rats. Pain threshold (PT) was measured using radiant heat. EA (1-2 mA, 2 Hz/15 Hz) was applied to bilateral LI 18, ST 36-GB 34 for 30 min. The expression of SP, NK-1 R, COX-1, 5-HT 1 AR and 5-HT2 AR in the spinal cord (C1-C4) tissue were detected with immunohistochemistry. RESULTS: After the operation, the thermal PT was decreased obviously in markedly after treatment (P < 0.05), and no significant changes were found in PT in EA-ST 36-GB 34 group (P > 0.05). The immunoactivity of SP, NK-1 R, COX-1 in the superficial dorsal horn in model group was increased significantly and that of 5-HT 1 AR and 5-HT 2 AR significantly and mildly, separately compared with control group (P < 0.05). In comparison with model group, the immunoreactivity of SP, NK-1 R and COX-1 was decreased considerably, and that of 5-HT 1 AR and 5-HT 2 AR was upregulated remarkably in EA-LI 18 group (P < 0.05). No significant changes were found in the immunoactivity of SP, NK-1 R, COX-1, 5-HT 1 AR and 5-HT 2 AR in EA-ST 36-GB 34 group (P > 0.05). CONCLUSION: EA-Futu (LI 18) can significantly suppress pain reaction of neck incision in the rat, which is closely associated with its effects in downregulating the expression of SP, NK-1 R, COX-1 and upregulating that of 5-HT 1 AR and 5-HT 2 AR in the spinal dorsal horn. SN - 1000-0607 UR - https://www.unboundmedicine.com/medline/citation/20626139/[Effects_of_electroacupuncture_at_"Futu"__LI_18__on_the_immunoactivity_of_substance_P_5_HT_1_AR_etc__of_the_cervical_spinal_dorsal_horn_in_rats_with_neck_incision_pain]_ L2 - https://antibodies.cancer.gov/detail/CPTC-AKR1B1-1 DB - PRIME DP - Unbound Medicine ER -
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