Background Primary insomnia (PI) is characterized by difficulties in initiating sleep or maintaining sleep, which lead to many serious diseases. Acupuncture for PI has drawn attention with its effectiveness and safety. However, the operation of choosing acupoints lacks scientific suggestion. Our trial aims to provide reference and scientific basis for the selection of acupoints and to explore its possible mechanism. Methods A patient-assessor-blinded, randomized and sham controlled trial was designed to compare the efficacy of 5-weeks acupuncture at a single acupoint, the combination of multi-acupoints, and a sham point. The Pittsburgh sleep quality index and Athens Insomnia Scale questionnaire were used for the primary clinical outcomes, while polysomnography was performed for the secondary clinical outcomes. The resting state functional MRI was employed to detect the cerebral responses to acupuncture. The brain activity in resting state was measured by calculating the fractional amplitude of low-frequency fluctuations (fALFF), which reflected the idiopathic activity level of neurons in the resting state. These results were analyzed by two factorial ANOVA test and post-hoc t-tests. Results The clinical outcomes suggest that acupuncture could improve clinical symptoms, and the combination of multi-acupoints might lead to a better clinical efficacy. The rs-fMRI results suggested that the brain activity of certain regions was related to the sleep experience, and acupuncture could regulate the activity of these regions. Furthermore, the combination of multi-acupoints could impact more regions which were influenced by the sleep experience. Conclusions Acupuncture has been proven to be beneficial for PI patients, and the combination of multi-acupoints might improve its efficacy. Trial registration This trial has been registered on the U.S. National Library of Medicine (https://clinicaltrials.gov) ClinicalTrials.gov Identifier: NCT02448602 . Registered date: 14/04/2015.
Activation of nuclear factor erythroid 2-related factor 2 (NRF2) has been found to ameliorate diabetic testicular damage (DTD) in rodents. However, it was unclear whether NRF2 is required for these approaches in DTD. Epigallocatechin gallate (EGCG) is a potent activator of NRF2 and has shown beneficial effects on multiple diabetic complications. However, the effect of EGCG has not been studied in DTD. The present study aims to explore the role of NRF2 in both self and EGCG protection against DTD. Therefore, streptozotocin-induced diabetic C57BL/6 wild type (WT) and Nrf2 knockout (KO) mice were treated in the presence or absence of EGCG, for 24 weeks. The Nrf2 KO mice exhibited more significant diabetes-induced loss in testicular weight and spermatozoa count, and increase in testicular apoptotic cell death, as compared with the WT mice. EGCG activated NRF2 expression and function, preserved testicular weight and spermatozoa count, and attenuated testicular apoptotic cell death, endoplasmic reticulum stress, inflammation, and oxidative damage in the WT diabetic mice, but not the Nrf2 KO diabetic mice. The present study demonstrated for the first time that NRF2 plays a critical role in both self and EGCG protection against DTD.
The purpose of this study is to investigate the specific innervations on “Weizhong” (BL40) and “Huantiao” (GB30) by using a dual neural tracing technique. After Alexa Fluor 488 and 594 conjugates of cholera toxin subunit B (AF488/594-CTB) were, respectively, injected into BL40 and GB30 in the same rat, the labeled sensory and motor neurons were examined in the rat's dorsal root ganglia (DRGs) and spinal cord at thoracic (T) and lumbar (L) segments with a laser scanning confocal microscope. In the cases of BL40 injection, AF488-CTB labeled sensory and motor neurons were located in L2–6 DRGs and on the mediolateral part of spinal ventral horn from L3 to L5 segments, respectively. By contrast, in the cases of GB30 injection, AF594-CTB labeled sensory and motor neurons were distributed in T13-L6 DRGs and on the anterolateral part of spinal ventral horn from L1 to L5 segments, respectively. These results indicate that the sensory and motor neurons associated with BL40 and GB30 are located in different spinal segments and regions in the nervous system, providing the neuroanatomical evidence to serve the specificity of acupoints.
Objectives This study was performed to investigate the innervations related to acupuncture point PC8 in rats using a neural tracing technique. Methods After 6 μL of 1% cholera toxin subunit B (CTB) was injected into the site between the second and third metacarpal bone in rats, a corresponding site to acupuncture point PC8 in the human body, CTB labelling was examined with immunofluorescence and immunohistochemistry in the dorsal root ganglia (DRG), spinal cord and brainstem.
Background: Acupuncture may be a clinically effective treatment for insomnia. We will perform a multicenter, large-scale, singleblinded, randomized controlled trial to compare the differences in the clinical efficacy between the use of singleacupoints and compatibilityacupoints in the treatment of primary insomnia.Methods/Design: A total of 333 participants will be randomly assigned to 2 acupoint treatment groups or 1 nonacupoint control group in a 1:1:1 ratio by a central stochastic system. The acupuncture groups are: the single acupoint group: Shenmen (HT7); and he compatibility acupoint group: Shenmen (HT7), Baihui (DU20), and Sanyinjiao (SP6). The observation period of this trial will be 10 weeks. All patients will be followed for 1 week before randomization (baseline phase). After randomization, the patients will receive 30 minutes of electro-acupuncture once per day for 5 weeks. In the fourth week after the treatment, follow-up will be performed once. The primary outcome will be the Pittsburgh sleep quality index score at 1 week before randomization and 2 and 8 weeks after randomization. The secondary outcomes will include data from sleep diaries, Athens insomnia scale scores, ShortForm-36 Health Survey scores, electroencephalogram technology results and polysomnogram) results. Patients will be required to complete a sleep diary every day during the treatment period. Patients will also undergo electroencephalogram technology and polysomnogram 1 week before randomization and 5 weeks after randomization. The other secondary outcomes will be measured 1 week before randomization and 5 and 9 weeks after randomization.Discussion: This trial will be helpful in identifying whether acupuncture at compatibility acupoints is more effective than acupuncture at single acupoints.
Background: Functional constipation is a common functional problem of the digestive system that has a negative impact on physical, mental health of patients and quality of life. At present, acupoint herbal patching as an adjuvant therapy is currently undergoing clinical trials in different medical centers. However, no relevant systematic review or meta-analysis has been designed to evaluate the effects of acupoint herbal patching on functional constipation. There is also a lack of systematic evaluation and analysis of acupoints and herbs. Methods: We will search the following 8 databases from their inception to November 15, 2020, without language restrictions: the Cochrane Central Register of Controlled Trials, PubMed, Embase, the Web of Science, the Chinese Biomedical Literature Database, the Chinese Scientific Journal Database, the Wan-Fang Database and the China National Knowledge Infrastructure. The primary outcome measures will be clinical effective rate, functional outcomes, and quality of life. Data that meets the inclusion criteria will be extracted and analyzed using RevMan V.5.3 software. Two reviewers will evaluate the studies using the Cochrane Collaboration risk of bias tool. We will use the GRADE approach to assess the overall quality of evidence supporting the primary outcomes. We will also use Spass software (Version19.0) for complex network analysis to explore the potential core prescription of acupoint herbal patching for functional constipation. Results: This study will analyze the clinical effective rate, functional outcomes, quality of life, improvement of clinical symptoms of functional constipation, and effective prescriptions of acupoint herbal patching for patients with functional constipation. Conclusion: Our findings will provide evidence for the effectiveness and potential treatment prescriptions of acupoint herbal patching for patients with functional constipation. PROSPERO registration number: PROSPERO CRD 42020193489.
Background: Primary dysmenorrhea (PD) is a functional disease of the female reproductive system, which has adverse effects on patients’ physical and mental health and quality of life. At present, acupoint application of traditional Chinese medicine (TCM) as adjuvant therapy is undergoing clinical trials in different medical centers. However, there is no systematic review or meta-analysis to evaluate the efficacy of acupoint application of TCM in the treatment of PD. There is also a lack of systematic evaluation and analysis of acupoints and herbs. Methods: All randomized controlled trials related to acupoint catgut embedding therapy on PD will be searched in the following electronic databases: Cochrane Central Registry of controlled trials, PubMed, Wed of Science, EMBASE, Science Net, China Biomedical Literature Database, China Science Journal Database, China National Knowledge Infrastructure and Wan-Fang Database, from inception to May, 2021 were searched without language restrictions. The primary outcomes contain visual analog score, The Cox Menstrual Symptom Scale, while the secondary outcomes consist of adverse events and the recurrence rate. Two reviewers will independently perform data selection, data synthesis, and quality assessment. Data meeting the inclusion criteria will be extracted and analyzed by Revman v.5.3 software. Two reviewers will evaluate the study using the Cochrane collaborative bias risk tool. We will use the scoring method to assess the overall quality of the evidence supporting the main results. We will also use Spass software (version 19.0) for complex network analysis to explore the potential core prescription of acupoint application of traditional Chinese medicine in the treatment of PD. Results: This study will analyze the clinical effective rate, functional outcomes, quality of life, improvement of clinical symptoms of PD, and effective prescriptions of acupoint application for patients with PD. Conclusion: Our findings will provide evidence for the effectiveness and potential treatment prescriptions of acupoint application for patients with PD. PROSPERO registration number: CRD 42021244357
Background: Acupoint selection is a key factor in the treatment of diseases and has not been well studied. The aim of this trial is to explore the differences in efficacy between compatible acupoints and a single acupoint for patients with functional dyspepsia (FD).Methods: This randomized controlled trial will be conducted in the First Affiliated Hospital of Changchun University of Chinese Medicine in China. Two hundred and sixteen FD patients will be randomly assigned to the compatible acupoints group, single acupoint group, or sham acupuncture group. This trial will include a 1-week baseline period, a 4-week treatment period, and a 4-week follow-up period. During the 4-week treatment period, patients will receive 20 sessions of acupuncture (weekly cycles of one session per day for 5 consecutive days followed by a 2-day break). The primary outcome will be a change in the Nepean Dyspepsia Life Quality Index from baseline to after the 4-week treatment period. Secondary outcome measures will include the dyspeptic symptom sum score, Overall Treatment Effect questionnaire, and 36-item Short Form survey. Adverse events also will be recorded. Ultraweak photon emission and metabolomics tests will be performed at baseline and at the end of treatment to explore the mechanisms of the differences between compatible acupoints and a single acupoint. Discussion: The results of this trial will allow us to compare the difference in efficacy between compatible acupoints and a single acupoint. The findings from this trial will be published in peer-reviewed journals.
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