Effects of electroacupuncture on rat model of chronic stress-induced depression

Chen, Huade; Jin, Ling-qing; Lou, Ran; Zhang, Limin

doi:10.1007/s11726-012-0560-6

Cited by 5 publications

(2 citation statements)

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“…The effect of 2-Hz EA is mostly related to the neuropeptide system, including corticotropin releasing factor, somatostatin, galanin, etc. [ 30 , 38 ]. The function of 100-Hz EA may be related to the neurotrophic factor system, especially BDNF [ 36 , 46 ].…”

Section: Discussionmentioning

confidence: 99%

“…Consequently, HPA axis dysregulation is generally regarded as the diagnostic criterion in the early stages of depression [ 58 ]. Chen et al [ 38 ] reported that EA markedly reduced serum corticosterone (CORT) and ACTH levels. In addition, Le et al [ 34 ] reported that EA treatment decreased hypothalamic CRH mRNA expression as well as ACTH and CORT levels in the plasma.…”

Section: Discussionmentioning

confidence: 99%

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The mechanism of electroacupuncture for depression on basic research: a systematic review

et al. 2021

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Background Electroacupuncture (EA) is generally accepted as a safe and harmless treatment option for alleviating depression. However, there are several challenges related to the use of EA. Although EA has been shown to be effective in treating depression, the molecular mechanism is unclear. Objective To reveal the therapeutic effect of EA and its possible mechanism in the treatment of depression. Search strategy We performed a systematic search according to PRISMA guidelines. We electronically searched PubMed, Web of Science (WOS), the China National Knowledge Infrastructure (CNKI), Wanfang Data Information Site and the VIP information database for animal studies in English published from the inception of these databases to December 31, 2019. Inclusion criteria Electronic searches of PubMed, WOS, the CNKI, Wanfang and the VIP database were conducted using the following search terms: (depression OR depressive disorder OR antidepressive), (rat OR mouse) AND (acupuncture OR EA). Data extraction and analysis The data were extracted primarily by one author, and a follow-up review was conducted by the other authors. Results Twenty-eight articles met the inclusion criteria. The most commonly used method for inducing depression in animal models was 21 days of chronic unpredictable mild stress. For the depression model, the most commonly selected EA frequency was 2 Hz. Among the 28 selected studies, 11 studies observed depression-related behaviors and used them as indicators of EA efficacy. The other 17 studies focused on mechanisms and assessed the indexes that exhibited abnormalities that were known to result from depression and then returned to a normal range after EA treatment. Treatment of depression by EA involves multiple therapeutic mechanisms, including inhibition of HPA axis hyperactivity and inflammation, regulation of neuropeptides and neurotransmitters, modulation of the expression of particular genes, restoration of hippocampal synaptic plasticity, increased expression of BDNF, and regulation of several signaling pathways. Conclusions This review reveals that the mechanisms underlying the effect of acupuncture involve multiple pathways and targets, suggesting that acupuncture is a wholistic treatment for people rather than for diseases. Our findings also explain why acupuncture can treat various disorders in addition to depression.

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