Zhen ci yan jiu = Acupuncture research · 2015
[The Impact of Electroacupuncture Intervention on Expression of 5-HTR 1 B/2 C Genes in Mice under Radiation Stimulation from Mobile Phone].
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Dai Jian-yu, Chen Yi-guo, Zhang Xiao-qing
Аннотация
OBJECTIVE: To observe the effect of electroacupuncture (EA) stimulation of "Yifen" (TE 17), "Shenshu" (BL 23) on the expression of 5-hydroxytryptamine receptor 1 B (5-HTR 1 B) mRNA and 5-hydroxytryptamine receptor 2 C (5-HTR 2 C) mRNA in the cochlear nucleus tissue in mice experiencing radiation from mobile phone, so as to explore its mechanisms underlying improvement of tinnitus.
METHODS: Thirty Kunming mice were randomly divided into control group (n = 6) and modeling group (n = 24). The tinnitus model was established by giving the mice with mobile phone-radiation for 1 h in the morning and 1 h in the afternoon, continuously for 40 days. EA stimulation was applied to "Yifeng" (TE 17) group (n = 6) and "Shenshu" (BL 23) group (n = 6) for 20 min, once a day for 7 days. The expression of 5-THR 1 B/2 C mRNA in the cochlear nucleus was assayed by fluorescence quantitative polymerase chain reaction (real time-PCR).
RESULTS: The expression level of 5-HTR 1 B was significantly lower in the model group than in the control group (P < 0.05), while that of 5-HTR 2 C mRNA significantly increased (P < 0.01). TE 17 group received a significant acupoint intervention effect (P < 0.01). Compared with TE 17 group, BL 23 group received a weaker effect (P < 0.05).
CONCLUSION: EA of TE 17 can up-regulate expression level of 5-HTR 1 B and down-regulate expression level of 5-HTR 2 C in the cochlear nucleus in mice experiencing mobile-phone radiation.
METHODS: Thirty Kunming mice were randomly divided into control group (n = 6) and modeling group (n = 24). The tinnitus model was established by giving the mice with mobile phone-radiation for 1 h in the morning and 1 h in the afternoon, continuously for 40 days. EA stimulation was applied to "Yifeng" (TE 17) group (n = 6) and "Shenshu" (BL 23) group (n = 6) for 20 min, once a day for 7 days. The expression of 5-THR 1 B/2 C mRNA in the cochlear nucleus was assayed by fluorescence quantitative polymerase chain reaction (real time-PCR).
RESULTS: The expression level of 5-HTR 1 B was significantly lower in the model group than in the control group (P < 0.05), while that of 5-HTR 2 C mRNA significantly increased (P < 0.01). TE 17 group received a significant acupoint intervention effect (P < 0.01). Compared with TE 17 group, BL 23 group received a weaker effect (P < 0.05).
CONCLUSION: EA of TE 17 can up-regulate expression level of 5-HTR 1 B and down-regulate expression level of 5-HTR 2 C in the cochlear nucleus in mice experiencing mobile-phone radiation.