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This study established a rapid ECG screening system through the application of wearable ECG equipment. The closed-loop and self-service process of ECG inspection, data collection, transmission and printing have been realized. The new rapid ECG screening system docking with HIS system in the hospital, forming a new intelligent mode of rapid ECG screening. This paper introduces the design of the intelligent mode of ECG rapid screening from the aspects of hardware, software, wearable ECG examination equipment, and briefly describes its implementation path and technical scheme. With the rapid ECG screening system, human power can be saved, the timeliness of ECG examination can be enhanced. The level of ECG diagnosis in the basic units can be improved through building a multiple medical centers which is rely on the cloud platform.
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Humans , Electrocardiography , Equipment Design , Research , Software , Wearable Electronic DevicesABSTRACT
Objective:To investigate the effects of tranexamic acid on the drainage duration after primary unilateral total knee arthroplasty (TKA).Methods:From June 2017 to December 2018, a total of 182 patients (42 males and 140 females) who underwent primary TKA were included. The age of patients was 68.1±7.1 years (60-76 years). According to the random number table, the subjects were divided into four groups: 45 cases in tranexamic acid group 1 (TXA1), 46 cases in tranexamic acid group 2 (TXA2), 46 cases in tranexamic acid group 3 (TXA3) and others in none tranexamic acid group (NTXA). The patients in TXA1-3 groups received intravenous infusion combined with local application of tranexamic acid. The patients in NTXA group were locally perfused in the joint cavity with 100 ml normal saline after surgery. The drainage volume, total blood loss, invisible blood loss, degree of postoperative joint swelling, Hospital for Special Surgery (HSS) and visual analogue scale (VAS) of pain were compared among the four groups.Results:The postoperative drainage volume of TXA1-3 groups was 85.5±34.3 ml, 189.4±72.3 ml and 215.3±93.4 ml, respectively, which were less than that of the NTXA group (351.3±113.5 ml) with significant difference ( F=11.5, P=0.005). The postoperative drainage volume of TXA1 group was less than that of TXA2-3 groups. The total postoperative blood loss was 699.0±255.7 ml, 710.4±296.1 ml, and 715.8±248.2 ml in the TXA1-3 groups, respectively, which were less than that of the NTXA group (1 130.5±354.2 ml) with significant difference ( F=13.1, P=0.001). At the 4th day after TKA, the knee swelling degree of TXA1-3 groups was 1.25±0.07, 1.13±0.12, and 1.12±0.13, respectively, which were less severe than that of the NTXA group (1.43±0.22) with significant difference ( F=8.23, P=0.015). There were 2 cases with positive bacterial culture in NTXA group and TXA3, 3 cases with hematoma and 1 case with delayed wound healing in the NTXA group. Conclusion:The application of tranexamic acid after TKA can reduce postoperative drainage volume, latent blood loss and total blood loss. The removal of the drainage at 18 h after the operation can not only drain completely, relieve pain and promote knee joint function, but also effectively reduce the risk of infection associated drainage.
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Lung cancer is the most common malignant tumor with the highest morbidity and mortality worldwide, and its imposes an insupportable burden on patients due to its poor prognosis. The diagnosis and treatment of lung cancer is under great pressure. Therefore, it is urgent to explore effective therapeutic targets and molecular markers. Circular RNA (circRNA) is a kind of covalently closed non-coding RNAs, which has attracted much attention due to its conservation, stability and tissue specificity. Many studies have found that circRNA participates in the regulation of lung cancer through various mechanisms such as sponging miRNA and plays a part vital role in the early diagnosis, treatment and prognosis evaluation. In recent years, there have been numerous studies on circRNA in lung cancer. This paper summarizes the current progress of circRNA in the diagnosis, treatment and prognosis of lung cancer. .
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Objective: To investigate the effects of thrombopoietin (TPO) on proliferation and collagen synthesis in pulmonary fibro-blasts induced by TGFβ1. Methods: Cultured human embryonic lung fibroblasts (HFLs) were treated with recombinant human TGF-β1 to induce myofibroblast differentiation. Different concentrations of recombinant human TPO were applied individually or in combina-tion. Cell proliferation rate was determined using the CCK8 assay. Q-PCR and immunofluorescence assay were employed to examine the mRNA and protein expression of α-smooth muscle actin (αSMA) and type I collagen (COL1)A2. Results: TGFβ1 treatment induced HFL transdifferentiation to myofibroblasts was determined by the expression of αSMA, a myofibroblast-specific marker. Cell prolifera-tion increased during the induction. COL1 gene and protein expression were upregulated by TGFβ1 induction (P<0.05). The TGFβ1-in-duced mRNA and protein expression of αSMA and COL1A2 was decreased by TPO treatment (P<0.05), as determined by reverse tran-scription quantitative polymerase chain reaction and immunofluorescence analysis, respectively. The inhibitory rate showed a dose de-pendent effect within a certain TPO concentration range. The CCK8 assay demonstrated that TPO downregulated the TGFβ1-induced proliferation (P<0.05). Furthermore, the expression of heme oxygenase-1 (HO-1) was downregulated in TGFβ1-induced lung fibro-blasts, and these effects were attenuated by TPO administration (P<0.05). Conclusions: TPO can inhibit the TGFβ1-induced prolifera-tion and differentiation of human lung fibroblasts. These effects may be mediated in part by HO-1-related signaling pathways.
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Researches on the inhibitors of programmed death-1 (PD-1) and programmed death-1 ligand (PD-L1) enjoy considerable breakthroughs in recent years, which has brought relative changes in the therapeutic model of non-small cell lung cancer (NSCLC) at an unexpected speed. However, it seems that PD-1/PD-L1 inhibitors are less effective in patients with epidermal growth factor receptor (EGFR) mutation than those without. Previous studies have shown that the expression rate of PD-L1 on tumor cells is correlated with the therapeutic effect of PD-1/PD-L1 inhibitors. Yet, there is no complete agreement on the effect of EGFR mutation on PD-L1 expression. In this review, relevant studies will be summarized with an expectation of making some contributions to basic researches and to the clinical treatment.
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Objective To detect the expression and significance of serum miRNA-183 and TK1 in patients with colorectal cancer, and the mechanism thereof. Methods Fifty-two serum samples of colorectal cancer patients and paired health serum samples were collected. The expression of miRNA-183 was detected by real-time quantitative PCR, and TK1 was detected by Western blot enhanced chemiluminescence assay. The correlation between miRNA-183 and TK1 and their relations with the clinicpathologic characteristics were analyzed. Results The serum miRNA-183 expression was significantly higher in colorectal cancer group than that in normal control group (P<0.01). The expression of serum miRNA-183 was significantly higher in stage Ⅲ-Ⅳ group than that in stage Ⅰ-Ⅱ group (P < 0.01). There was more significant increase in serum miRNA-183 in lymphatic metastasis group than that without lymphatic metastasis group (P < 0.01). Receiver operating characteristic (ROC) curve showed that of there was a diagnostic value for serum miRNA-183 in colorectal cancer, with an optimal value of 1.15. The diagnostic sensitivity and specificity were 78.8%and 67.3%, and the positive predictive value and negative predictive value were 78.9%and 70.2%. The serum TK1 expression was also higher in colorectal cancer group compared with that of normal control group (P<0.01). And the TK1 expression was also higher in stageⅢ-Ⅳgroup than that in stageⅠ-Ⅱgroup (P<0.01). Furthermore, miRNA-183 expression was positively correlated with TK1 expression (rs=0.692, P<0.01). Conclusion The serum expression levels of miR-183 and TK1 may act as tumor markers for early colorectal cancer diagnosis, and also can be used to predict the malignant degree and prognosis of colorectal cancer.
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Aim Toinvestigatewhetherexposureto Sanguinarine (SAN ) can inhibit cell proliferation in human mammary adenocarcinoma cells (MCF-7 ) and thepossiblemechanism.Methods WeexposedMCF-7 to anticancer compound SAN,cell viability was as-sessed by using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT ) reduction assay. ROS was measured using confocal microscopy,expres-sion of caspase-3 ,caspase-8 and caspase-9 were calcu-latedusingchemiluminescencemethod.Results SAN remarkably inhibited growth of human mammary adeno-carcinoma MCF-7 cells by decreasing cell proliferation. ROS release and caspase-3,caspase-8,caspase-9 ex-pression were stimulated by SAN in MCF-7 ,and these changes were abolished by the antioxidant,N-acetyl-cysteine(NAC).Conclusion Regulationofcaspases expression and release from MCF-7 cells are possibly e-voked by SAN through reactive oxygen species.
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Objective To discuss the treatment of periprosthetic femoral fractures (PFF) with unstable prosthesis by replacement of long-stem femoral prosthesis and internal fixation.Methods From December 2005 to December 2014,15 PFF patients with unstable prosthesis (15 hips) following were treated at our department.They were 10 men and 5 women,aged from 64 to 89 years (mean,76.2 years).Their primary surgeries included total hip arthroplasty in 13 cases and biological bi-polar replacement of femoral head in 2.Two prostheses were cement and 13 biological.By Vancouver classification,9 cases were type B2,and 6 type B3.The unstable prostheses in the 15 cases were replaced by long-stem femoral ones,followed by internal fixation.At the last follow-ups,clinical outcome were evaluated by Harris scoring and images of PFF by Beals & Tower criteria.Complications were documented.Results One died 4 months after operation.The other 14 patients were followed up for an average of 4.5 years (from 6 months to 9 years).Fracture union was achieved in 12 cases after an average of 3.9 months (from 3 to 9 months).Nonunion occurred in 2 cases.Imaging evaluation revealed 9 excellent cases,3 good ones and 2 poor ones.The Harris scores at the last follow-up averaged was 82.3 points (from 50 to 100 points).Deep vein thrombosis occurred preoperatively in one case and posterior tibial vein thrombosis occurred in 2 cases respectively on day 3 and day 10 postoperatively.No such complications occurred as malunion,fixation failure,dislocation or prosthesis loosening.Conclusion Satisfactory outcomes can be achieved by replacement of long-stem femoral prosthesis combined with appropriate fixation for treatment of PFF with unstabrosthesis.
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BACKGROUND:Human amniotic mesenchymal stem cel s have the potential to differentiate into insulin-secreting cel s and have immunomodulatory effects. Additional y, it has been clinical y proved that Gegen Qin Lian Tang can lower blood sugar. OBJECTIVE:To investigate the effects of Gegen Qin Lian Tang combined with human amniotic mesenchymal stem cel transplantation on rat early diabetic retinopathy, by detecting pathological changes, levels of blood indicators and expressions of vascular endothelial growth factor in retinal tissues. METHODS:By intraperitoneal injection of streptozotocin, 42 Wistar rat models with diabetes mel itus were prepared and then randomly divided into model group, human amniotic mesenchymal stem cel transplantation group (cel transplantation group) and combination of human amniotic mesenchymal stem cel s and Gegen Qin Lian Tang group (combination group). At 4 weeks after transplantation, levels of blood sugar and serum insulin in diabetic rats were detected;pathological changes of the retina in diabetic rats were observed by hematoxylin-eosin staining. Besides, expressions of CD45 and vascular endothelial growth factor mRNA were detected using immunohistochemistry staining and RT-PCR technology, respectively. RESULTS AND CONCLUSION:Compared with the model group, the levels of blood glucose and serum insulin in both cel transplantation and combination groups were significantly decreased and increased, respectively, and these changes were even more significant in the combination group (P<0.05). In the model group, the retinal edema could be found, accompanied by structural disorder and irregular cel arrangement, while these retinal lesions were relatively milder in the cel transplantation group and significantly improved in the combination group. In addition, the CD45 expression and in the retina was highest in the model group subsequently fol owed by the cel transplantation group (P<0.05) and lowest in the combination group (P<0.05). Furthermore, compared with the model group, the expression of vascular endothelial growth factor mRNA was also significantly lower in the other two groups, especial y in the combination group (P<0.05). These data show that Gegen Qin Lian Tang combined with human amniotic mesenchymal stem cel transplantation improves the severity of diabetic retinopathy by inhibiting expressions of CD45 and vascular endothelial growth factor in the retinal tissues.
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Background and purpose: Pancreatic intraepithelial neoplasia (PanIN) may be a precursor lesion of inifltrating pancreatic ductal adenocarcinoma. The mutation of the phenotypic impact of K-ras G12D alone, silencing of p53 and p16 could promote this process. The role of Smad4 in this progression was poorly understood. In our previous studies, we investigated that RNA interference silence of Smad4 to promote the PanIN cell malignant transformation. In the present study, we investigate. The further explores the siRNA interference of Smad4 expression on PanIN cells could lead to proliferation and metastasis in vitro and in vivo. Methods:Smad4 knock-down PanIN cells (PanIN-S) were established by stable transfection with lentiviral-mediated Smad4 RNA interference. In vitro,silence of Smad4 enhanced the proliferation of PanIN cells as determined by cell counting. A soft agar assay was used to assess the anchorage-independent growth ability of cells. Cell migration and invasion assays were performed using transwell chambers with or without Matrigel. In xenograft model experiments, PCNA, VEGF and MMP-9 staining was separately used to evaluate cell proliferation and angiogenesis and migration (VEGF and MMP-9). Results:Effect of siRNA of Smad4 gene in PanIN cells was conifrmed by real-time RT-PCR and western blot. In vitro, silence of Smad4 enhanced the proliferation of PanIN cells as determined by cell counting. Soft agar assay showed that there were more colony cell numbers in PanIN-S cells compared with PanIN cells (P<0.05). Using the transwell assay, we observed that PanIN-S cells migrated faster than PanIN cells and similar results were obtained by Matrigel assay (P<0.05). Furthermore, immunohistochemical analysis of the harvested tumors suggested that Smad4 silencing was associated with cell proliferation (PCNA reactivity) and angiogenesis and migration (VEGF and MMP-9), and the expressions of PCNA, VEGF and MMP-9 in PanIN-S group were signiifcantly increased (P<0.05). Conclusion:Silence of Smad4 in PanIN cells enhanced progression to invasive adenocarcinoma of the pancreas by promoting cell growth, migration and invasion. Smad4 might be a new diagnostic marker in pancreatic cancer and prove to be a feasible and novel target for therapeutic intervention.
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ObjectiveTo examine the relationship between belief in a just world of college students and prosocial tendencies.Methods400 college students were examined by using the belief in a just of Chinese versions ( BJW ) and the prosocial tendencies scales.Results①There was a marginally significant difference on college student's general belief in a just world and personal belief in a just world among different grades ( F=3.90,F=3.05,P ＜ 0.05 ).②The personal belief in a just world and general belief in a just world was significantly posilively correlated with the prosocial tendencies of college students ( r =0.25,r =0.24,P ＜ 0.01 ).③Significant differences existed between the high-scoriug,the middle group and the low-scoring BJW group in prosocial tendencies and its sub-dimensions ( F =3.36 ～ 12.87,P ＜ 0.05,P ＜ 0.01 ),expect the openness dimension of prosocial tendencies( F =1.71,P ＞ 0.05 ).The scores of those three groups on prosocial tendencies ( (3.74 ± 0.43 ),( 3.57 ± 0.42),( 3.44 ± 0.43 ) ) and its sub-dimensions shows a decreasing trend from high to low.④Layer multivariate linear regression analysis showed that general belief in a just world were significant predictors of the prosocial tendencies( β =0.18,P＜ 0.01 ).ConclusionsThe intensity of belief in a just world has a certain impact on the prosocial tendencies of college students.
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Objective To evaluate the understanding and supporting degree of staff and patients in Hefei's primary medical institutions on the essential drugs policy.Methods The staff and outpatients were taken from 45 primary medical institutions in Hefei, and “ medical staff questionnaire” and “ patient questionnaire” were finished.Results Total understanding rates of medical staff and patients were 89.4％ and 59. 1％ ,respectively, total supporting rate was 90. 8％ and 93.9％, respectively. The supporting rate is affected by age, educational level, residence and other factors. Conclusion In order to meet the public demand for health and medicine, the essential drugs policy should be publicized and the elderly,urban and rural patients and the medical staff should be paid more affention.
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Electrocardiogram (ECG) signals are usually interfered by noises and base-line drift. A morphological filtering approach is put forward to remove the noise of the ECG signals and to calibrate the base-line drift in this paper. Different sizes of structuring elements were used to process the signals for different properties of ECG signal and noise. The morphological filtering approach is simple, fast and real-time in processing the signals, and it keeps the ECG signal shape unchanged while removing the noise. An experiment was carried out to simulate the morphological filtering approach with LabVIEW, and it was shown that this approach was effective in removing noise and in calibrating the base-line drift.
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Humans , Algorithms , Artifacts , Calibration , Electrocardiography , Methods , Signal Processing, Computer-AssistedABSTRACT
@#ObjectiveTo observe the effects of electro-acupuncture combined neuromuscular electrical stimulation (NMES) on dysphagia in patients after acute cerebral infarction (ACI).Methods180 ACI patients with dysphagia were divided into the function training group (n=45)，electro-acupuncture group (n=45), NMES group (n=45) and comprehensive rehabilitation group (electro-acupuncture combined with NMES group, n=45). They were assessed with drinking water test before and 3 weeks after treatment. ResultsThe drinking water test scores improved after treatment in all the 4 groups (P<0.05), and more in the electro-acupuncture group, NMES group and comprehensive rehabilitation group than in the function training group (P<0.05). The drinking water test scores improved the most in comprehensive rehabilitation group (P<0.05). ConclusionThe electro-acupuncture combined NMES can effectively improve the therapeutic effect on dysphagia in patients after ACI.
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The quantification of albumin in urine, especially the use of "microalbumin" in recent years is very important routine test and played important role for the early diagnosis and monitoring of kindney injures. But that routine test which seems common still has many problems to be solved. Here we introduce some differences in this test guidelines issued by authorities of some countries, some problems and the improvement advice given by international organizations, and put up suggestions to improve the quantitation accuracy, including replace ment of the term of "urine microalbumin" by " urine albumin".
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OBJECTIVE To establish a simpler method for screening bacterial metallo-?-lactamase(MBL) by comparing Hodge test and double-disk synergy tests(DDSTs),and using 5 inhibitors such as sodium citrate,EDTANa2,EDTAK2,sodium dimercaptopropane sulfonate and mercaptoethanol.METHODS In Hodge test,5 inhibitors of different concentration were added to the imipenem(IMP) disks,the sizes of the inhibition zones were compared.Disk containing IMP and disk containing a metallo-?-lactamase inhibitor were used in DDSTs.The optimal inhibitors concentration and edge-to-edge distance between the two disks were selected.The performances of the Hodge test and the DDSTs were also compared.RESULTS Among the metallo-?-lactamase inhibitors used in this study,1∶15 diluted mercaptoethanol gave the most reproducible and the clearest results when a filter disk containing mercaptoethanol was placed near the IMP disk with the edge distance of 3 mm.CONCLUSIONS Mercaptoethanol-IMP DDSTs are simple,convenient and sensitive methods for screening MBL.
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BACKGROUND: Growth-associated protein-43, a kind of protein relatedto axonal growth, plays a key role in promoting neural development, axonalregeneration, synaptic growth and structural and functional reconstructionand so on. In the study, we find that cyclovirobuxine D can protect braininjury in rats with experimental cerebral ischemia reperfusion.OBJECTIVE: To observe the effect of cyclovirobuxine D on the expression of growth-associated protein-43 mRNA in hypertensive rats with cerebral ischemia reperfusion.DESIGN: A randomized controlled animal experiment.SETTING: Foshan Hospital of Traditional Chinese Medicine of Guangdong Province; Central Laboratory of Guangdong Hospital of Traditional Chinese Medicine.MATERIALS: Cyclovirobuxine D is alkaloid monomer extracted from Chinese herb buxine. Cyclovirobuxine D powder with national protected traditional medicine number of ZYB20796057 was provided by Nanjing Xiaoyingyao Pharmaceutical Factory. Totally 120 two-to-three-month-old healthy male SD rats, of either gender, with body mass of 90 to 120 g, were used in this experiment.METHODS: This experiment was carried out in Foshan Hospital of Tra ditional Chinese Medicine of Guangdong Province and at the Central Laboratory of Guangdong Hospital of Traditional Chinese Medicine between June 2005 and March 2006. ①Stroke-prone-renovascular-hypertensive-rats models (RHRSP)were created by bilaterally narrowing the renal artery with silk loop clips. Totally 120 rats were randomly divided into blank group (n=20,renovascular hypertensive rats were given no treatments), sham operation group (n=20, rats were given only surgical trauma), model group (n=40, rats were given treatment of cerebral ischemia reperfusion) and cyclovirobuxine D-treated group (n=40, rats were given cyclovirobuxine D).② Unilateral occlusion of the middle cerebral artery ischemia reperfusion models were made with suture-occluded method. 6.48 mg/kg cyclovirobuxine D diluted by 1.5 mL normal saline was intraperitoneally injected into the rats of cyclovirobuxine D-treated group, twice per day; Normal saline was isochronously intraperitoneally injected into the rats of each subgroup of control group, 2 mL once, the method was the same as that of the cyclovirobuxine D-treated group; interval of injection time was 7 hours in each group. Rats in each group were executed on days 1, 7, 14 and 30after ischemia reperfusion. ③ Brain slice was prepared. The expression of growth-associated protein-43 mRNA of rats in each group was detected with in situ hybridization.MAIN OUTCOME MEASURES: ① The expression of growth-associated protein-43 mRNA around ischemia are following ischemia reperfusion for 2 hours. ②The expression of growth-associated protein-43 mRNA in hippocampus following ischemia reperfusion for 2 hours RESULTS: All the 120 rats entered the stage of result analysis. ① Immune in situ hybridization of growth-associated protein-43 mRNA: In situhybridization showed that expression of growth-associated protein-43 mRNA and expression of growth-associated protein-43 mRNA could be detected respectively in the hippocampus and marginal area of hematoma after ischemia and reperfusion.②The expression of growth-associated protein-43RNA around haematoma following cerebral ischemia reperfusion group as not found in blank group and sham-operation group; The expression of growth-associated protein-43 mRNA was found in the marginal zones around haematoma of rats in the model group on the 1st day following ischemia reperfusion and it was significantly increased on the 7th day, gradually reduced on the 14th day and still expressed on the 30th day but less,with significant difference at each time point (P ＜ 0.01); Expression of growth-associated protein-43 mRNA around haematoma at each time point was more in the cyclovirobuxine D-treated group than in the model group ,with significant difference (P ＜ 0.05). ③There was no significant difference of the expression of growth-associated protein-43 mRNA in hippocampus of rats following cerebral ischemia reperfusion between blank group and sham-operation group; Expression of growth-associated protein-43 mRNA was found in hippocampus of rats in the model group on the 1st day after modeling, and it reached the peak on the 7th day, gradually decreased on the 14th day and significantly decreased on the 30th day, but significantly more than that of sham-operation group; The expression of growth-associated protein-43 mRNA in hippocampus was significantly more at each time point in cyclovirobuxine D-treated group than in model group, with significant difference (P ＜ 0.01).CONCLUSION: Cyclovirobuxine D up-regulates the expression of growthassociated protein-43 mRNA after reperfusion and promotes axonal regeneration of rats with experimental cerebral ischemia.
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Objective: To study the dosage application of herbs in class formulas of KaixinSan recorded in Prescriptions of the Bureau of Taiping People's Welfare Pharmacy (Taiping Huimin Hejiju Fang), Essential Recipes for Emergent Use Worth A Thousand Gold (Beiji Qianjin Yao Fang) and Records of Approved Cases of Ancient and Recent Times (Gujin Luyan) and their actions on depression. Method: According to the dosage proportion of different herbs in the three formulas in the three books, two methods were adopted in terms of decocting different herbs separately and mixing them thereafter(group of decocting separately) as well as extracting after decocted all the herbs together (group of decocting together). Classical anti-depression mice models--forced swimming and tail suspending experiments were observed. The data of immovability time of mice were analyzed by statistics. Result: All the class formulas of KaixinSan which have the same medication but different proportion in the three medical books can reduce the immovability time of mice in forced swimming and tail suspending experiments. But the action of KaixinSan recorded in Prescriptions of the Bureau of Taiping People's Welfare Pharmacy was prominent, and the action of the group of decocting together was superior to that of separated decocting. There was significant difference between the group of decocting together in low dosage and the controlled one (P
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Various kinds of scaffold materials are studied and used in cartilage tissue engineering, but none are ideal for the needs of tissue engineering. Mixing different materials together to form a better composite scaffold may brighten the prospect. The present review summarizes the studies of composite materials in cartilage tissue engineering.
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The routine biochemistry test-serum ?-glutamyltransferase(GGT,?-GT)has long been used for the diagnosis and differential diagnosis of liver and bile duct diseases.Recent studies showed that high level serum GGT associated with occurrence of chronic kidney disease or insulin-resistance and type 2 diabetes afterward.Also,it can predict the occurrence of acute myocardial infarction or stroke.So,high level serum GGT associated with all-cause mortality in population.Serum GGT might be an indicator of oxidative stress showing the injures of cells by oxygen radicals and a predictive index of many diseases.More attention should be paid and emphasized on its predictive value.