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1.
China Journal of Chinese Materia Medica ; (24): 988-1000, 2022.
Article in Chinese | WPRIM | ID: wpr-928018

ABSTRACT

This study explored the mechanism of Shenling Baizhu Powder(SLBZP) in the prevention and treatment of type 2 diabetes from the perspective of flora disorder and chronic inflammation. Fifty rats were randomly divided into normal control group, model control group, low-dose SLBZP group, medium-dose SLBZP group, and high-dose SLBZP group, with 10 rats in each group. The rats of 5 weeks old were administrated by gavage with ultrapure water and different doses of SLBZP decoction. The basic indicators such as body weight and blood glucose were monitored every week, and stool and intestinal contents were collected from the rats of 9 weeks old for 16 S rRNA sequencing and metabolomic analysis. An automatic biochemical analyzer was used to measure the serum biochemical indicators, ELISA to measure serum insulin, and chipsets to measure leptin and inflammatory cytokines. The results showed that SLBZP reduced the body weight as well as blood glucose, glycosylated hemoglobin, and lipid levels. In the rats of 9 weeks, the relative abundance of Anaerostipes, Turicibacter, Bilophila, Ochrobactrum, Acinetobacter, and Prevotella decreased significantly in the model control group, which can be increased in the high-dose SLBZP group; the relative abundance of Psychrobacter, Lactobacillus, Roseburia and Staphylococcus significantly increased in the model control group, which can be down-regulated in the high-dose SLBZP group. The differential metabolites of intestinal flora included 4-hydroxyphenylpyruvic acid, phenylpyruvic acid, octanoic acid, 3-indolepropionic acid, oxoglutaric acid, malonic acid, 3-methyl-2-oxovaleric acid, and methylmalonic acid. Moreover, SLBZP significantly lowered the levels of free insulin, insulin resistance and leptin resistance in rats. The variations in the serum levels of interleukin 1β(IL-1β) and monocyte chemoattractant protein-1(MCP-1) showed that SLBZP could alleviate chronic inflammation in rats. In conclusion, SLBZP can regulate intestinal flora and metabolites and relieve chronic inflammation to control obesity and prevent type 2 diabetes.


Subject(s)
Animals , Rats , Diabetes Mellitus, Type 2/drug therapy , Gastrointestinal Microbiome , Inflammation/drug therapy , Insulin , Powders
2.
Journal of Regional Anatomy and Operative Surgery ; (6): 790-795, 2017.
Article in Chinese | WPRIM | ID: wpr-702184

ABSTRACT

Objective To investigate whether paraquat (PQ) induced rat alveolar type Ⅱ cells (RLE-6TN) epithelial-mesenchymal transition(EMT) and explore the underlying molecular mechanism.Methods RLE-6TN cells were treated by 20 μmol/L PQ for 24 hours,the morphology was observed by invert microscope.RT-PCR and Western blot were performed to detect the expression level of β-catenin,EMT related markers E-cadherin and vimentin.Then we performed the Transwell invasion assays to detect the ability of cell invasion.Results The results demonstrated that PQ was able to induce the transition of RLE-6TN cells from epithelial morphology to fibroblast-like morphology,associated with the acquisition of migratory properties.Furthermore,knockdown of β-catenin by using specific siRNA could reverse PQ triggered EMT process and attenuated cell migration ability.Conclusion PQ promotes RLE-6TN epithelial-mesenchymal transition by upregulating the expression of Wnt/β-catenin.

3.
Chinese Journal of Infection Control ; (4): 966-968,975, 2017.
Article in Chinese | WPRIM | ID: wpr-661803

ABSTRACT

Objective To explore the role of infection control nurses in healthcare-associated infection(HAI)man-agement,and provide basis for HAI management.Methods Through setting up infection control nurses in clinical departments of the whole hospital,clarifying their responsibilities and duties,training,and supervising them,the effect of infection control nurses on HAI management was observed.Results A total of 67 infection control nurses were set up in the clinical departments of the whole hospital,HAI management knowledge among health care work-ers (HCWs)in 26 departments improved significantly,scores of HAI management knowledge among HCWs in April and December was compared,difference was statistically significant (Z = - 2.193,unilateral P = 0.014). Hand hygiene compliance rate of HCWs improved from 83.35%(1817/2180)in April to 89.53% (2002/2236)in December,difference was statistically significant(χ2 =36.13,P <0.01).A total of 56670 hospitalized patients were monitored from April to December 2015,the total length of hospital stay was 411164 days,utilization rate of three catheters was 27.18%,three catheter-related infection rate was 0.74‰.The median scores of supervision on HAI management in clinical departments improved from 95.30 in May to 97.70 in September(P <0.05).Conclusion Setting up infection control nurses is of great significance to strengthen the HAI management organization and pro-mote the quality of HAI management.

4.
Chinese Journal of Infection Control ; (4): 966-968,975, 2017.
Article in Chinese | WPRIM | ID: wpr-658884

ABSTRACT

Objective To explore the role of infection control nurses in healthcare-associated infection(HAI)man-agement,and provide basis for HAI management.Methods Through setting up infection control nurses in clinical departments of the whole hospital,clarifying their responsibilities and duties,training,and supervising them,the effect of infection control nurses on HAI management was observed.Results A total of 67 infection control nurses were set up in the clinical departments of the whole hospital,HAI management knowledge among health care work-ers (HCWs)in 26 departments improved significantly,scores of HAI management knowledge among HCWs in April and December was compared,difference was statistically significant (Z = - 2.193,unilateral P = 0.014). Hand hygiene compliance rate of HCWs improved from 83.35%(1817/2180)in April to 89.53% (2002/2236)in December,difference was statistically significant(χ2 =36.13,P <0.01).A total of 56670 hospitalized patients were monitored from April to December 2015,the total length of hospital stay was 411164 days,utilization rate of three catheters was 27.18%,three catheter-related infection rate was 0.74‰.The median scores of supervision on HAI management in clinical departments improved from 95.30 in May to 97.70 in September(P <0.05).Conclusion Setting up infection control nurses is of great significance to strengthen the HAI management organization and pro-mote the quality of HAI management.

5.
Chinese Journal of Experimental and Clinical Virology ; (6): 164-166, 2013.
Article in Chinese | WPRIM | ID: wpr-318077

ABSTRACT

<p><b>OBJECTIVE</b>To study the epdimiology characteristics and the diversity of VP6 gene of GCRV in Lulong, and to provide the basis for GCRV in-depth research.</p><p><b>METHODS</b>793 stool specimens from porcine with diarrhea or not from Lulong in 2007 and 2008. GCRV was detected by nested multiple reverse transcription- polymerase chain reaction (nested RT-PCR) , and analyzed the identity and conducted phylogenetic tree by the seqences.</p><p><b>RESULTS</b>The positive rate of GCRV was 16.65%. Porcine GCRV strains of Lulong had significant homology differences. Phylogenetic analysis indicated porcine GCRVs were with significant diversity. Amino acid analysis showed GCRV strains with the same host shared the nearest kinship.</p><p><b>CONCLUSION</b>The infection rate of GCRV was high from 2007 to 2008 in Lulong. Homology and phylogenetic analysis showed that VP6 gene diversity was widespread. The experimental data provided basis for molecular characteristics of porcine GCRVs.</p>


Subject(s)
Animals , Humans , Antigens, Viral , Genetics , Capsid Proteins , Genetics , China , Genetic Variation , Phylogeny , Rotavirus , Classification , Genetics , Swine
6.
Acta Pharmaceutica Sinica ; (12): 1563-1569, 2013.
Article in Chinese | WPRIM | ID: wpr-298043

ABSTRACT

This study is to optimize the preparation process of fusion protein Fv-LDP which was expressed in the form of inclusion body and consisted of lidamycin apoprotein LDP and single-chain Fv antibody (scFv) directed against type IV collagenase. The preparation and the dissolution of inclusion body, the immobilized metal affinity chromatography of the target protein and the renaturization by stepwise dialysis were optimized by single-factor analysis or orthogonal design. In addition, the refolded fusion protein Fv-LDP was refined by Sephadex G-75 chromatography followed by fluorescence-activated cell sorter (FACS)-based saturation binding assay to measure its antigen-binding activity. After optimization of the process, the purity of fusion protein Fv-LDP existed in the inclusion body was 63.9% and the corresponding solubility was 95.7%; Under denaturing conditions, the purity of fusion protein Fv-LDP was more than 95% after the purification process. The percentage of monomeric fusion protein Fv-LDP was 60% after the refolding process, while it was further refined to 85% which was 5.6-fold higher than that of the initial refolding condition. The refined fusion protein Fv-LDP could bind to human lung adenocarcinoma PAa cells and human hepatoma BEL-7402 cells with the dissociation constants (Kd) of 0.176 micromol x L(-1) and 0.904 micromol x L(-1), respectively. The preparation process of fusion protein Fv-LDP has been successfully optimized, which provides the experimental basis for the production and future development of fusion protein Fv-LDP, and might serve as a relatively practical system for the preparation of other scFv-based proteins expressed in the form of inclusion body.


Subject(s)
Humans , Adenocarcinoma , Metabolism , Pathology , Aminoglycosides , Chemistry , Metabolism , Antibiotics, Antineoplastic , Chemistry , Metabolism , Apoproteins , Chemistry , Metabolism , Carcinoma, Hepatocellular , Metabolism , Pathology , Cell Line, Tumor , Collagenases , Allergy and Immunology , Enediynes , Chemistry , Metabolism , Escherichia coli , Chemistry , Metabolism , Inclusion Bodies , Chemistry , Metabolism , Liver Neoplasms , Metabolism , Pathology , Lung Neoplasms , Metabolism , Pathology , Protein Binding , Recombinant Fusion Proteins , Chemistry , Metabolism , Single-Chain Antibodies , Chemistry , Metabolism
7.
Chinese Journal of Hepatology ; (12): 213-217, 2013.
Article in Chinese | WPRIM | ID: wpr-246719

ABSTRACT

<p><b>OBJECTIVE</b>To construct a short hairpin (sh)RNA targeting the gene encoding the MDM2 oncoprotein in order to investigate its role in human hepatocellular carcinoma (HCC) and its potential for use as a gene therapy strategy to inhibit HCC growth in vivo.</p><p><b>METHODS</b>Small interfering (si)RNAs were designed targeting the MDM2 gene (siMDM2-1 and siMDM2-2) and unrelated sequences (negative control) and cloned into the expression plasmid pGCSilencer-U6-neo-GFP. A HCC mouse model was established by subcutaneous inoculation of HepG2 cells (2 x 10(6) in 0.2 ml) into 20 nude mice. The inoculated mice were divided into four equal groups for tumor-localized injections of saline, negative control siRNA plasmid, siMDM2-1 plasmid, and siMDM2-2 plasmid. Tumor growth was observed daily (by caliper measurement) for one month, when mice were sacrificed by cervical dislocation. The tumor mass was resected for analysis of tumor inhibition rate (% = [(average tumor weight of control group - average tumor weight of treatment group) / average tumor weight of control group x 100]) and effects on MDM2 and p53 mRNA and protein expression (by reverse transcription- PCR and western blotting, both normalized to beta-actin). Significance of between-group differences was assessed by one-way ANOVA or LSD test; pairwise comparisons were made by the Chi-squared test.</p><p><b>RESULTS</b>siMDM2-1 and siMDM2-2 suppressed the xenografted tumor growth remarkably (60.6% and 54.6% inhibition rates, respectively), significantly reduced the expression ofMDM2 gene (62.8% and 61.6%) and protein (60.7% and 59.5%), and significantly increased p53 gene (47.1% and 45.6%) and protein (45.9% and 44.3%) (all, P < 0.05).</p><p><b>CONCLUSION</b>shRNA-mediated silencing of the MDM2 gene effectively inhibits HCC tumorigenesis of subcutaneously xenografted HepG2 cells in nude mice, and the mechanism may involve p53.</p>


Subject(s)
Animals , Humans , Male , Mice , Carcinoma, Hepatocellular , Genetics , Pathology , Cell Proliferation , Hep G2 Cells , Liver Neoplasms , Genetics , Pathology , Mice, Nude , Plasmids , Proto-Oncogene Proteins c-mdm2 , Genetics , Metabolism , RNA Interference , RNA, Messenger , Genetics , RNA, Small Interfering , Transfection , Tumor Suppressor Protein p53 , Metabolism , Xenograft Model Antitumor Assays
8.
Chinese Journal of Applied Physiology ; (6): 320-323, 2011.
Article in Chinese | WPRIM | ID: wpr-351165

ABSTRACT

<p><b>OBJECTIVE</b>To explore the mechanism of protective effect of Sphingosine-1-phosphate(S1P) in cultured neonatal rat cardiomyocytes dining simulated hypoxia/reoxygenation.</p><p><b>METHODS</b>On the basis of culturing neonatal rat cardiomyocytes, the model of hypoxia-reoxygennation was built by using method of Liquid Paraffin covering, the impact of S1P on apoptosis and p-Akt and mitochondrial membrane potential were studied by using method of Propidine Iodide staining and Western blot and Bhodanmine123 staining.</p><p><b>RESULTS</b>SiP could reduce apoptosis rate (P < 0.01) and stabilize the mitochondrial membrane potential (P < 0.05) and improved the level of p-Akt1 (P < 0.01) in hypoxia/reoxygenation cardiomyocytes significantly. But wonnannin could block these effects of S1P partially.</p><p><b>CONCLUSION</b>SiP can obviously restrain apoptosis in curtured rat neonatal cardiomyocytes during simulated hypoxia/reoxygenation. Stabilization of mitochondrial membrane potential by P13K-AM signaling pathway is likely to play a role in protective action of S1P.</p>


Subject(s)
Animals , Female , Male , Rats , Animals, Newborn , Apoptosis , Cell Hypoxia , Cells, Cultured , Lysophospholipids , Pharmacology , Membrane Potential, Mitochondrial , Myocardial Reperfusion Injury , Myocytes, Cardiac , Cell Biology , Oncogene Protein v-akt , Metabolism , Phosphatidylinositol 3-Kinases , Metabolism , Primary Cell Culture , Protective Agents , Pharmacology , Signal Transduction , Sphingosine , Pharmacology
9.
Chinese Journal of Stomatology ; (12): 363-366, 2010.
Article in Chinese | WPRIM | ID: wpr-243130

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the effects of lower limb rehabilitation training of the patients with free fibula flap.</p><p><b>METHODS</b>Fifth-nine patients with free fibula flap were assigned to the intervention group (28 cases) and control group (31 cases). The patients in the intervention group underwent the lower limb rehabilitation training, but there was no training plan for the control group. The function of lower limbs were evaluated by Enneking questionnaire and physical examinations before operation, and 2 weeks and each month after operation till six months.</p><p><b>RESULTS</b>The rate of ankle swelling in the intervention group (61%) was significantly lower than in the control group (84%) at the 3rd month after operation (P < 0.05). In the intervention group, the scores of ankle varus, valgus, muscle power of the great toe, the Enneking scores of self-feeling, walking ability and total scores were significantly higher than in the control group (P < 0.05).</p><p><b>CONCLUSIONS</b>Postoperative rehabilitation training can promote the recovery of lower limb function for the patients with free fibula flap.</p>


Subject(s)
Female , Humans , Male , Ankle Joint , Pathology , Physiology , Exercise Therapy , Fibula , Transplantation , Free Tissue Flaps , Hallux , Physiology , Lower Extremity , Physiology , Mandibular Diseases , General Surgery , Range of Motion, Articular , Recovery of Function , Physiology , Walking , Physiology
10.
Chinese Journal of Applied Physiology ; (6): 224-227, 2009.
Article in Chinese | WPRIM | ID: wpr-356290

ABSTRACT

<p><b>AIM</b>To observe the effects of urea on ECG and sodium currents of ventricular myocyte in mice.</p><p><b>METHODS</b>ECG and patch clamp techniques were used in the experiments, to record ECG of mice and sodium currents of ventricular myocyte in mice.</p><p><b>RESULTS</b>Urea could lead mice heart rate evidently slow down (P < 0.01) with concentration dependent. The heart rate were (556 +/- 29, 469 +/- 37, 378 +/- 48) b minT in low, middle, high groups respectively before using urea and (612 +/- 27, 615 +/- 23, 619 +/- 26) x min(-1) after. The conduction block arrhythmia was happened in middle and high groups. The sodium currents of ventricular myocyte in mice was inhibited by urea(P < 0.05). The sodium currents amplitude value were reduced to (7.32 +/- 0.68, 5.69 +/- 0.64, 4.58 +/- 0.57) nA after using urea in each group and were (8.76 +/- 0.91, 8.87 +/- 1.01, 8.77 +/- 0.96) nA before, submit concentration dependent.</p><p><b>CONCLUSION</b>Urea can inhibit the sodium currents of ventricular myocyte in mice to make it happen conduction block arrhythmia.</p>


Subject(s)
Animals , Female , Male , Mice , Arrhythmias, Cardiac , Electrocardiography , Heart Ventricles , Cell Biology , Membrane Transport Proteins , Genetics , Mice, Inbred C57BL , Mice, Knockout , Myocytes, Cardiac , Metabolism , Physiology , Patch-Clamp Techniques , Sodium Channels , Metabolism , Physiology , Urea , Metabolism
11.
Chinese Journal of Applied Physiology ; (6): 56-59, 2009.
Article in Chinese | WPRIM | ID: wpr-252709

ABSTRACT

<p><b>AIM</b>To study the effect of Sphingosine-1-phosphate on the delayed rectifier potassium current (IK) and the inward rectifier potassium current (IK1) of guinea pig isolated ventricular myocytes.</p><p><b>METHODS</b>Whole cell patch clamp technique was applied to record the delayed rectifier potassium current and the delayed rectifier potassium current of guinea pig isolated ventricular myocytes.</p><p><b>RESULTS</b>(1) IK of S1P (1.1 micromol/L) decreased from (1.2 +/- 0.26)nA to (0.95 +/- 0.23)nA. While IK of S1P (2.2 micromol/L) decreased from (1.43 +/- 0.31)nA to (1.02 +/- 0.28)nA. There was significant difference compared to control group (P < 0.01, n = 6). The IK peak value was decreased from (1.29 +/- 0.26) nA to (1.26 +/- 0.37)nA at the group of S1P (1.1 micromol/L) plus suramin (200 micromol/L) and showed no significant difference compared to control group (P > 0.05, n = 6). (2) IK1 of S1P (1.1 micromol/L) decreased from (-8.94 +/- 2.01)nA to (-8.81 = 1.55)nA. While IK of S1P (2.2 micromol/L) decreased from (-8.86 +/- 1.59)nA to (-8.55 +/- 1.39)nA. There was no significant difference compared to control group (P > 0.05, n = 6).</p><p><b>CONCLUSION</b>S1P inhibits delayed rectifier potassium current of ventricular myocyte in guinea pig remarkably, S1P shows no effects on delayed rectifier potassium current of ventricular myocyte in guinea pig.</p>


Subject(s)
Animals , Female , Male , Delayed Rectifier Potassium Channels , Guinea Pigs , Heart Ventricles , Cell Biology , Metabolism , Lysophospholipids , Pharmacology , Myocytes, Cardiac , Metabolism , Patch-Clamp Techniques , Potassium Channels , Potassium Channels, Inwardly Rectifying , Sphingosine , Pharmacology
12.
Chinese journal of integrative medicine ; (12): 17-21, 2007.
Article in English | WPRIM | ID: wpr-282450

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the clinical effect of Liqi Kuanxiong Huoxue method LKH, traditional Chinese medicine, TCM therapeutic method for regulating qi, relieving chest stuffiness and promoting blood circulation) in treating patients with cardiac syndrome X (CSX).</p><p><b>METHODS</b>The prospective, non-randomized controlled study was conducted on 51 selected patients with CSX, who were non-randomly assigned to 2 groups, the treated group treated with LKH in addition to the conventional treatment (32 patients), and the control group treated with conventional treatment (19 patients) like nitrate, diltiazem hydrochloride, etc. The treatment course was 14 days. The changes of such symptoms as angina pectoris, TCM syndrome and indexes of treadmill exercise test before and after treatment were observed.</p><p><b>RESULTS</b>After treatment, such symptoms as chest pain and stuffy feeling and palpitation in the treated group were improved more than those in the control group (P<0.05); the total effective rate on angina pectoris and TCM syndrome in the treated group was better than that in the control group (P<0.05). The treadmill exercise test showed that the maximal metabolic equivalent (Max MET), the time of angina onset and ST segment depression by 0.1 mV were obviously improved after treatment in both groups, but the improvement in the treated group was better than that in the control group respectively (P<0.05).</p><p><b>CONCLUSION</b>The LKH method could reduce the frequency of angina attacks and improve the clinical condition of patients with CSX.</p>


Subject(s)
Female , Humans , Male , Middle Aged , Blood Circulation , Drug Combinations , Drugs, Chinese Herbal , Therapeutic Uses , Exercise Test , Microvascular Angina , Diagnosis , Therapeutics , Qi , Thorax , Treatment Outcome
13.
Chinese Journal of Contemporary Pediatrics ; (12): 441-446, 2006.
Article in English | WPRIM | ID: wpr-357792

ABSTRACT

<p><b>OBJECTIVE</b>Some research has shown that androgen has a neuroprotection against hypoxia-ischemia brain damage (HIBD). However, the relevant mechanism has not been fully elucidated. This study aimed to explore the neuroprotection of androgen against HIBD in neonatal rats and the possible mechanism.</p><p><b>METHODS</b>Sixty-four seven-day-old Sprague-Dawley (SD) rats were randomly assigned into three groups: Sham-operation, HIBD and Androgen. The HIBD model was induced by ligation of the left carotid common artery along with hypoxia exposure in neonatal rats from the latter two groups. The Sham-operation group was not subjected to hypoxia-ischemia (HI). The Androgen intervention group received an injection of testosterone propionate (25 mg/kg) immediately after HIBD. Bcl-2 and Bax protein expressions in the cortex and hippocampal CA region were detected by immunohistochemical method at 6, 24 and 72 hrs and at 7 days after HI. The contents of SOD and MDA in the brain tissue homogenate were measured by the thiobarbituric acid (TBA) method and the xanthine oxidase luminescence method respectively at 6, 24 and 48 hrs after HI.</p><p><b>RESULTS</b>There were few Bcl-2 and Bax immune positive cells in the cortex or hippocampus in the left hemisphere in the Sham-operation group at 6 hrs after operation. This was significantly different from the HIBD control and Androgen intervention groups (P < 0.01). The expression of Bcl-2 protein in the cortex and hippocampus of the Androgen intervention group was significantly higher than that of the HIBD control group at 6, 24 and 72 hrs after HI (P < 0.05 or 0.01). The expression of Bax protein in the cortex and hippocampus of the Androgen intervention group was significantly lower than that of the HIBD control group at 24 hrs after HI (P < 0.05). The SOD content in the brain tissue homogenate of the HIBD control group was significantly reduced, in contrast, the MDA content in the brain tissue homogenate of the HIBD control group increased significantly at 6 hrs after HI compared with the Sham-operation group (P < 0.05). The SOD content was reduced to a nadir and the MDA content increased to a peak at 24 hrs after HI in the HIBD control group. Androgen intervention increased significantly the SOD activity at 6,24 and 48 hrs after HI and decreased significantly the MDA content at 6 and 24 hrs after HI as compared with the HIBD control group (P < 0.05 or 0.01).</p><p><b>CONCLUSIONS</b>The neuroprotection of androgen against neonatal HIBD is produced possibly through an increase of Bcl-2 protein expression and a reduction in Bax protein expression, thus decreasing neuronal apoptosis after HI. There may also be a reduction in the consumption of antioxidant and an inhibition of the formation of oxidant free radicals to alleviate neuronal damage following HI.</p>


Subject(s)
Animals , Female , Male , Rats , Animals, Newborn , Brain Chemistry , Hypoxia-Ischemia, Brain , Drug Therapy , Malondialdehyde , Neuroprotective Agents , Therapeutic Uses , Proto-Oncogene Proteins c-bcl-2 , Rats, Sprague-Dawley , Superoxide Dismutase , Metabolism , Testosterone Propionate , Pharmacology , Therapeutic Uses , bcl-2-Associated X Protein
14.
Academic Journal of Second Military Medical University ; (12)1985.
Article in Chinese | WPRIM | ID: wpr-680425

ABSTRACT

Objective:To observe the changes of visual evoked potential(VEP)in diabetic rats and the influence of nerve growth factor(NGF)and aminoguanidine(AG)on VEP.Methods:Diabetes was induced in adult male Wistar rats with streptozotocin(STZ).Rats were divided into normal control group(CON),diabetes model group(DM).NGF-treated group(D +N)and AG-treated group(D+A).VEP was measured during the 3~(rd)month,6~(th)month,9~(th)month,and 12~(th)month.Results: Compared with the CON group,all rest groups had longer latencies and lower amplitudes(P

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