Latest Issue
2013 Year 19 Vol. 6 Issue
- Abstract：There is much material demonstrating the use of acupuncture and moxibustion as an effective method of treatment in a variety of neurological conditions involving both peripheral and central nervous system dysfunction. Acupuncture’s effects are experienced throughout the body but specifically acupuncture can be seen to contribute significantly to nerve metabolism and rebuilding. However, very little is written on the mechanisms for this nerve recovery. This paper will reflect on these mechanisms in relation to the treatment of neck problems associated with nerve root impingement.Keywords：cervical pain;neck injuries;nerve tissue injuries;acupuncture therapy;whiplash injuries;Jin/sinews
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Published：2021-08-27 - Abstract：To determine whether jaw-tapping movement, a classically described as an indication of personal well-being and mental health, stimulates the memory and the cognitive regions of the brain and is associated with improved brain performance. Twelve healthy right-handed female subjects completed the study. Each patient performed a jaw-tapping task and an n-back task during functional magnetic resonance imaging (fMRI). The subjects were trained to carry out the jaw-tapping movement at home twice a day for 4 weeks. The fMRI was repeated when they returned. During the first and second jaw-tapping session, both sides of precentral gyrus and the right middle frontal gyrus (BA 6) were activated. And during the second session of the jaw-tapping task, parts of frontal lobe and temporal lobe related to memory function were more activated. In addition, the total percent task accuracy in n-back task significantly increased after 4 weeks of jawtapping movement. After jaw-tapping training for 4 weeks, brain areas related to memory showed significantly increased blood oxygen level dependent signals. Jaw-tapping movement might be a useful exercise for stimulating the memory and cognitive regions of the brain.Keywords：jaw-tapping movement;functional magnetic resonance imaging;memory;cognitive function;dementia
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Published：2021-08-27 - Abstract：To investigate the efficacy of dietary therapy of qi-yin-reinforcing porridge for the alleviation of clinical symptoms during FOLFOX chemotherapy. A single-case randomized controlled study was carried out. Fourteen patients with gastrointestinal tumors accepting FOLFOX chemotherapy were enrolled using self-crossover control design. On days 1–7 of chemotherapy, the dietary therapy experimental group and the placebo control group were given dietary therapy of qi-yin-reinforcing porridge and dextrin-prepared porridge which had the same appearance, smell, color and taste as the qi-yin-reinforcing porridge, respectively. Fourteen clinical symptoms, including debility, vomiting and nausea, etc. were observed. Ten patients completed the study and were estimable. The qi-yin-reinforcing porridge demonstrated certain efficacy in alleviating clinical symptoms of patients with gastrointestinal tumors during the period of chemotherapy. Better effect of alleviating debility was found in the dietary therapy experimental group than in the placebo control group, and the difference was statistically significant (Z=2.27, P=0.02). No statistically significant difference was found between the experimental group and the control group with respect to the effect of alleviating the other 13 clinical symptoms including anorexia, nausea, vomiting, dry stool, loose stool, etc. and body weight (P>0.05). Dietary therapy of qi-yin-reinforcing porridge shows an additional benefit in alleviating debility of patients during chemotherapy and deserves clinical use and popularization.Keywords：gastrointestinal tumors;dietary therapy;single-case randomized controlled study;reinforcing both qi-yin;FOLFOX chemotherapy
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Published：2021-08-27 - Abstract：To determine the effect of berberine (Ber) on norepinephrine (NE)-induced apoptosis in neonatal rat cardiomyocytes. The cultured neonatal rat cardiomyocytes were treated with NE in the presence or absence of Ber. The activity of lactate dehydrogenase (LDH) in the culture medium was examined, and apoptosis of cardiomyocytes was assessed by Hoechst 33258, isothiocyanate (FITC)-conjugated annexin-V, and propidine iodide (PI) staining. In addition, the activities of caspases-2 and-3 were measured by a fluorescent assay kit. The level of secreted tumor necrosis factor α (TNF-α) and production of intracellular reactive oxygen species (ROS) were also determined. NE at a concentration of 50 μ mol/L induced an obvious increase in the activity of LDH in the culture medium (P<0.05), which was inhibited by coincubation with 0.5, 1.0, or 2.0 μ mol/L Ber (P<0.05). Ber also significantly attenuated NE-induced apoptosis in a dose-dependent manner (P<0.01). Moreover, Ber at a dose of 2 μ mol/L markedly decreased the ROS and TNF-α productions (P <0.05) and inhibited the activation of caspases-2 and -3 in cardiomyocytes exposed to NE (P<0.05)h. The present study suggested that Ber could reduce NE-induced apoptosis in neonatal rat cardiomyocytes through inhibiting the ROS-TNF-α-caspase signaling pathway.Keywords：apoptosis;cardiomyocytes;Berberine;norepinephrine
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Published：2021-08-27 - Abstract：To investigate and compare the effects and mechanisms of three functional parts of Dahuang Zhechong Pill (大黄 虫丸, DHZCP), including drugs with the function of removing blood stasis and promoting blood circulation (FP-I), drugs with the function of expelling heat and moistening dryness (FP-II), and drugs with the function of nourishing yin and replenishing blood (FP-III) of DHZCP, on platelet-derived growth factor (PDGF)-stimulated vascular smooth muscle cells (VSMCs) proliferation with the method of serum pharmacology. VSMCs proliferation of rat was assayed by measuring the cell viability with the 3-(4, 5-dimethylthiazol-2yl)-2, 5-diphenyltetrazolium bromide (MTT) method. DNA synthesis in VSMCs was examined by detecting 5′-bromo-2′-deoxyuridine incorporation with the immunocytochemical method. Cycle of VSMCs was evaluated with flow cytometry. Expression of cyclin D1, p27, PKCα, and phosphorylated extracellular signal regulated kinase 1/2 (ERK1/2) was quantified by the Western blotting method. The FP-I and FP-III containing serum was capable of inhibiting PDGF-stimulated proliferation and DNA synthesis of VSMCs, arrested VSMCs in G phase, downregulated cyclin D1, and upregulated p27 expression (P <0.01 or P <0.05). The FP-I and FP-III containing serum also inhibited the PDGF-induced phosphorylation of tyrosine of ERK1/2 and PKCα expression (P <0.01 or P <0.05). FP-I and FP-III of DHZCP are able to inhibit VSMCs proliferation via interrupting PKCα-ERK1/2 signaling, modulating the expression of cell cycle proteins to result in arresting the cells in G phase. The inhibitory effect is mainly related to the function of removing blood stasis and promoting blood circulation, slightly to the function of nourishing yin and replenishing blood, but not to the function of expelling heat and moistening dryness.Keywords：Dahuang Zhechong Pill;proliferation;cell cycle;cyclin D1;p27
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Published：2021-08-27 - Abstract：To investigate the efficacy and mechanism of Bushen Huoxue Recipe (补肾活血方, BHR) in the treatment of murine autoimmune premature ovarian failure (POF). The recombinant porcine zona pellucida 4 (pZP4) was expressed in E. coli BL21 (DE3) strain within prokaryotic plasmid pET28a (+), purified by Ni-affinity chromatography and verified by Western blot. Murine autoimmune POF model was established by immunization with pZP4 of female BALB/c mice. Fifty POF mice were randomly divided into 5 groups, which were respectively given low (3.75 mg/kg), moderate (7.5 mg/kg), and high dose (15.0 mg/kg) of BHR by gastrogavage once daily for 20 days, with 17-β-estradiol (0.13 mg/kg) and normal saline as positive and negative control. Estrous cycles were analyzed through vaginal smears, serum estradiol (E) levels, and anti-pZP4 antibody titers were detected by ELISA. The proliferative responses in vitro of spleen lymphocytes to pZP4 antigen restimulation were measured by [3H]-thymidine incorporation, and the histomorphology changes of ovary were evaluated by optical microscope. The purified pZP4 was visible as a single lane with 14.4 kD in SDS-PAGE and Western blot. The murine POF model with lengthening estrous cycles, decreased levels of serum E2, high titers of serum anti-pZP4 antibody, and reduced ovarian follicles and corpus lutea were established by immunization with recombinant pZP4. Treatment with moderate and high dosage BHR significantly increased ovarian follicles and reduced the proliferation of spleen lymphocytes to the pZP4 antigen of POF mice (P <0.05). However, only the high dosage BHR administration significantly improved the estrous cycles, elevated the serum E levels (P <0.01), and decreased the serum anti-pZP4 antibody titers of model mice P<0.05). The recombinant pZP4 could evoke the antigen-specific immune response in mice and induce the autoimmune ovarian injury. It has been demonstrated that BHR was able to increase the serum E levels and protect ovarian functions from the autoimmune injury in murine POF model.Keywords：recombinant porcine zona pellucida;Bushen Huoxue Recipe;Premature Ovarian Failure;autoimmunity
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Published：2021-08-27 - Abstract：To observe the effects of electroacupuncture on force-displacement value (FDV) of muscle state and electrophysiology of the muscle in rabbits with lumbar nerve root compression. Thirty New Zealand white rabbits were randomly divided into a control, a model, an electro-acupuncture acupoints (EAA), a medication, and an electro-acupuncture un-acupoints (EAU) group. All rabbits except those in the control group were subject to modeling (surgical lumbar nerve root compression). The control group was sham-operated without nerve root compression. The EAA group received electro-acupuncture at bilateral Shenshu (BL23) and Dachangshu (BL25) that were located 1.5 cun lateral to the posterior midline on the lower border of the spinous process of the 2nd and 4th lumbar vertebra, respectively. The EA was 15 mm deep and the frequency was 2 Hz. Each session lasted for 20 min per day for a total of 14 times. The medication group was treated with Loxoprofen sodium by gastrogavage at 4 mg/kg per day for 14 days. The EAU group received electro-acupuncture identical to the EAA group with regard to the treatment frequency and duration except a different acupoint at the tip of rabbit tail. Muscle states were determined by measuring FDVs of the bilateral biceps femoris using the Myotonometer® fast muscle state detector. Meanwhile, the prolonged and non-prolonged insertion potentials were measured by electromyography before and after modeling and after treatment. Latency, amplitude (Amp) of evoked potential, motor nerve conduction velocity (MNCV) were also determined after treatment. (1) After modeling, FDVs of right side activation (RSA, P=0.003) and right side relaxation (RSR) in the model group (P=0.000) were significantly decreased in comparison to the control group. The number of rabbits with non-prolonged insertion potentials in the model group was also significantly decreased (P=0.015) in comparison to the control group. (2) After treatment, FDVs of RSR were significantly increased in the EAA (P=0.000) and medication groups (P=0.018) in comparison to the model group. The increase in FDVs of RSR in the EAA group was significantly higher than that in EAU (P=0.000) and medication groups (P=0.002). MNCV in the model group was reduced compared with the control group (P=0.000). The reduction in MNCV after modeling was reversed in the EAA group (P=0.000) and medication group (P=0.008) after treatment and the increases were significant in both treatment groups in comparison to the model group. The EAA group had a greater MNCV recovery than the medication group (P=0.022). Electro-acupuncture could improve the rehabilitation and regeneration of FDVs and the electrophysiology index of the muscle with nerve control impairment.Keywords：compression;nerve regeneration;electro-acupuncture;electrophysiology;muscular tension
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Published：2021-08-27 - Abstract：To study the effect of Wenhua Juanbi Recipe (温化蠲痹方, WJR) on proliferation and apoptosis of synoviocytes in rats with collagen-inducing arthritis (CIA). A CIA model was induced by intradermal injection of bovine collagen type II emulsion at the base of rat tails. Thirty modeled healthy Wistar rats were randomly assigned to one of three groups (10 per group): the model group, the methotrexate (MTX)-treated group (0.78 mg/kg) and the WJR-treated group (22.9 g/kg). A group of 10 healthy rats was used as normal control. Treatments or normal saline for the control group were administered by oral gavage once daily. Rats were sacrificed after 30-day treatment and subjected to the following examinations: arthritis index (AI) was estimated, inflammatory cell infiltration and proliferation in synovial membrane were evaluated by microscopy, the synoviocyte apoptosis was determined by TUNEL assay, and the cell apoptosis index was calculated. AI was lowered significantly in the WJR group compared to the model group (P<0.01). The pathological findings observed in the model group were reversed in the WJR group, including increase in inflammatory cell infiltration and synoviocyte proliferation in synovial membrane and reduction in cell apoptosis index (all P<0.01). Synoviocyte proliferation and apoptosis reduction were present in CIA rats. WJR was effective in treating the rat model of CIA. The therapeutic effect might be exerted through inducing apoptosis and suppressing proliferation of synoviocytes.Keywords：Wenhua Juanbi Recipe;collagen-induced arthritis;cell proliferation;apoptosis;synovium;rat
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Published：2021-08-27 - Abstract：To observe the metabolic, regulatory and anti-oxidative effects of modified Bushen Huoxue Decoction (BSHXD, 补肾活血方), a Chinese herbal medicine for Kidney (Shen)-reinforcement and bloodactivation, on an osteoarthritis (OA) rabbit model. A rabbit model for knee joint OA was established by the classic Hulth’s method. The OA model rabbits were randomized into 5 groups: the model control group, the positive control group treated with glucosamine sulfate, and the three BSHXD treated groups treated respectively with low, moderate, and high doses of BSHXD. In addition, a normal control group and a sham-operated group were set up. Experimental animals were sacrificed after a 7-week treatment, and pathological changes in cartilaginous tissue were estimated using the Mankin criteria. Hydroxyproline (Hyp) and malonaldehyde (MDA) contents in blood serum and urine, as well as superoxide dismutase (SOD) activity and nitric oxide (NO) content in blood serum and knee joint synovial homogenates were detected. Mankin scoring showed insignificant statistical differences between the various treatment groups (P >0.05), but all were better than the model control group (P <0.05). Serum and urinary contents of Hyp and MDA as well as serum and synovial levels of NO were significantly lower, but the SOD activity in blood serum and synovial tissue was higher in the BSHXD treated groups than in the model group P <0.01); the effect of BSHXD was dose-dependent to some extent. The modified BSHXD shows an effect of improving cartilage metabolism in experimental rabbits with OA, and possesses osteo-chondric protective effects in antagonizing peroxidation injury.Keywords：Kidney-reinforcing and blood-activating;osteoarthritis;Hydroxyproline;malonaldehyde;superoxide dismutase;Nitric Oxide
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Published：2021-08-27 - Abstract：To study the role and mechanism of the Yi medicine, Yi Bu A Jie (以布阿节) extract, in topical treatment of diabetic skin ulcers, with a view to finding a breakthrough natural drug for the prevention and treatment of diabetic skin ulcers. A model of diabetic skin ulcers in Kunming mice was developed. Yi Bu A Jie was extracted in a Soxhlet extractor. Two different concentrations of the extract (0.005 mg/mL and 0.01 mg/mL) were applied to the wound of diabetic skin ulcers once every 3 days, and local skin appearance and histopathological changes were observed. The shortest healing time was 25.25±2.06 day with a low concentration (P=0.0037 compared with the high concentration group, 33.14±2.21 day; P=0.0082 compared with control group, 28.21±2.14 days). The longest healing time was in the high concentration group (P=0.0025 compared with the control group). In both groups, a large number of inflammatory neutrophil cells were exuded during the experimental period. In the low concentration group, capillary-rich granulation tissue and actively growing fibroblasts appeared in the wound, while there was much necrotic tissue in the high concentration group. Yi Bu A Jie extract has an inhibitory effect on diabetic skin ulcers in mice, and the low concentration is more suitable.Keywords：Yi Bu A Jie;topical therapy;diabetes;skin ulcers
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Published：2021-08-27 - Keywords：Primary Biliary Cirrhosis;Mycophenolate Mofetil;Autoimmune Hepatitis;ursodeoxycholic acid;Chinese Herb
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Published：2021-08-27 - Abstract：Meridian essence has been investigated through anatomy, electrophysiology, biophysics, and biochemistry. Various hypotheses of meridian essence exist, but no hypothesis can truly reflect the internal character of Chinese medicine (CM). The research of meridian essence requires a holistic viewpoint and innovative awareness. Initially, any hypothesis regarding meridian essence should begin with observation of the human body. Secondly, the research should arise from the meridians’ physical functions and pathological changes, so as to maintain the fundamental nature of the meridians themselves. Thirdly, the research should be based upon the theory of CM, yet coupled with the integration of modern techniques to deepen our understanding of the scientific contents of meridians. Fourthly, theoretical research should be combined closely with clinical practice, in order to test the achievements in actual conditions. Lastly, more attention should be given to negative results in studies to more accurately discover the real essence of meridians.Keywords：acupuncture;meridian;acupoints
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Published：2021-08-27
OriginalPaper
- Abstract：4-hydroxylonchocarpin (LCP) or 2′,4-dihydroxy-3′,4′-(2,2-dimethylchromene) chalcone is a chalcone of the class flavonoid, with a molecular weight of 322 g/mol mostly isolated in the family Moraceae and Leguminosae. LCP was reported to have a variety of pharmacological activities such as antibacterial, antifungal, anticancer, anti-reverse transcriptase, antitubercular, antimalarial, anti-inflammatory, ornitnine decarboxylase activity and antioxidant. The hemisynthesis of the compound has been described. The present review was undertaken to bring out together the knowledge on LCP, and can serve as the start point for future research and valorization accomplishments.Keywords：4-hydroxylonchocarpin;biosynthesis;synthesis;pharmacology
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Published：2021-08-27
ReviewPaper
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