1. Effect of ginsenoside Rb1 on central oxidative stress of rats with postoperative fatigue syndrome
Chinese Traditional and Herbal Drugs 2013;44(9):1168-1173
Objective: To investigate the central oxidative stress characteristics of rats with postoperative fatigue syndrome (POFS) and the antifatigue mechanism of ginsenosides Rb1. Methods: Rat models of POFS were established by using the 70% middle part of small bowel resection method. Ninety-six SD rats were randomly divided into control, model, and ginsenoside Rb1 (GRb1, 10 mg/kg) groups by weight. Rats in each group were administered 1 h before operation and were then divided into four subgroups at days 1, 3, 7, and 10. Morris water-maze test was done on postoperative days 2-7. Meanwhile, grasping test, malondialdehyde (MDA) content, superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) activities were detected on postperative days 1, 3, 7, and 10 and the ultrastructure of hippocampal CA1 area was observed through electron microscope. Results: Compared with the control group, the maximum grip of model rats had an obvious decline on days 3, 7, and 10 (P < 0.05). The total average escape latency was significantly extended (P < 0.05) and the platform crossing times were significantly reduced (P < 0.05). Compared with the model group, the above indexes of rats in GRb1 group were effectively improved after the intervention (P < 0.05). Compared with the control group, on postoperative days 1 and 3, the MDA content was obviously increased (P < 0.05) and SOD activity was obviously raised (P < 0.05). On postoperative day 7, GSH-Px activity was obviously raised (P < 0.05). After the intervention of GRb1, the MDA content was effectively decreased (P < 0.05), SOD and GSH-Px activities were effectively improved (P < 0.05). Electron microscope showed that the ultrastructure of hippocampal CA1 area of rats in GRb1 group was significantly improved. Conclusion: Surgical stress leads to the state change of central oxidative stress; GRb1 could reduce the damage of oxidative stress by strengthening the activity of central anti-oxidant enzymes, so as to protecte central neurons, which may be one of the mechanisms against POFS.
2.Employment Characteristics of Graduate Students from China Academy of Chinese Medical Sciences and SWOT Analysis
Tingxiu LIN ; Bo DI ; Xinliang DU
Chinese Journal of Information on Traditional Chinese Medicine 2015;(10):9-11,12
ObjectiveTo investigate employment status of graduate students of China Academy of Chinese Medical Sciences (hereinafter referred to as our academy);To propose suggestions and promote employment.MethodsBased on data from employment dispatch database of Beijing Municipal Commission of Education during 2005-2013, data analysis and SWOT analysis were combined to use in this research to discuss employment characteristics of graduate students, such as education background, majors, genders, and regions.ResultsThe employment characteristics were concluded as follows:education level is high and employment trend is stable;compared to male, females are superior in quantity but inferior in seeking a job;the number of job-hunting students staying for Beijing decreases and increasing students intend to apply for a position all over the country;training target is defined and less students can work in university after graduation;subject advantage is prominent, which is highly regarded by employers. ConclusionIn order to help graduate students find jobs successfully, first of all, students’ ability with more professional skills should be improved;moreover, their sense in searching job should renewed through training courses, job services and personal instructions;in the end, more job information should be provided by establishing service network.
3.Clinical observation on arteriosclerosis treatment with a simple self-made oxygenation respirator
Chengli XU ; Tao LU ; Xuezhen DU ; Lizhe DI ; Yufen DU
Chinese Medical Equipment Journal 1989;0(01):-
Objective To treat arteriosclerosis patients with a simple self-made oxygenation respirator in a re-respiration model. Methods 43 AS patients was enrolled in treatment group(Oxygenation Respirator only) and control group (drug therapy only). Results the efficacy was 92%, better than control group, the efficacy of which was 72%, and P
4.Applying tuina to exterior-interiorly connected meridians for post-stroke upper limb spasticity
Hongyan DI ; Shukai HAN ; Xiaolin DU ; Wenwen LI ; Jing JIA
Journal of Acupuncture and Tuina Science 2017;15(1):27-30
Objective:To observe the effect of applying tuina to exterior-interiorly connected meridians for post-stroke upper limb spasticity.
Methods:A total of 150 patients with post-stroke upper limb spasticity were randomly allocated into a treatment group (n=75) and a control group (n=75) by the random number table. Patients in the treatment group received tuina on exterior-interiorly connected meridians, whereas patients in the control group received standard rehabilitation therapy. The therapeutic efficacies in both groups were observed after 3 weeks of treatment.
Results:The total effective rate in the treatment group was 89.3%, versus 61.3% in the control group, showing a statistically significant difference (P<0.05). After the treatment, the muscle tones by the modified Ashworth scale (MAS) were significantly improved in both groups (bothP<0.05); and the improvement of muscle tone was more significant in the treatment group than that in the control group (P<0.05).
Conclusion:Applying tuina to exterior-interiorly connected meridians can obtain an exact efficacy for post-stroke upper limb spasticity.
5.Expression of myocardial NF-?B,iNOS and COX-2 in diabetic rats
Hong DU ; Yangtian WANG ; Ming ZHAO ; Hongjie DI ; Yanyan WANG
Chinese Journal of Pathophysiology 1986;0(01):-
AIM:To investigate the expression of nuclear factor-?B(NF-?B),inducable nitric oxide synthase(iNOS)and cyclooxygenase-2(COX-2)in diabetic myocardium.METHODS:Thirty SD rats were randomly divided into control and experimental groups.Diabetes was induced by a single intraperitoneal injection of STZ.The weight,blood glucose level and heart weight index(HWI)were measured 24 weeks after injection.The myocardial NF-?B,iNOS and COX-2 were stained at the same time.Furthermore,NF-?B activation in myocardium was investigated by electrophoretic mobility shift assay(EMSA).RESULTS:(1)Compared to the normal rats,the NF-?B-positive cells in the myocardium in diabetic rats significantly increased.(2)NF-?B activation in myocardium by EMSA was significantly higher in the diabetic rats than that in the normal rats.(3)The iNOS was not expressed in normal rat myocardium and was significantly expressed in the diabetic rat myocardium.(4)The COX-2 was rarely expressed in normal rat myocardium and was significantly expressed in the diabetic rat myocardium.CONCLUSION:The expressions of NF-?B,iNOS and COX-2 are significantly enhanced in the diabetic myocardium.
6.Effects of Early Usage with Wulingjun Powder on the Behavior of Rats with Post-traumatic Stress Disor-der and the Level of IL-1βand IL-6 in Their Hippocampi
Fenglei LI ; Fei DU ; Di WU ; Zhengwu PENG
China Pharmacy 2016;27(25):3478-3480
OBJECTIVE:To discuss the effect of early usage with Wulingjun powder on the behavior of rats with post-traumat-ic stress disorder(PTSD)and the level of interleukin-1β(IL-1β)and IL-6 in their hippocampi. METHODS:50 SD rats were ran-domized into control group(normal saline),model group(normal saline),positive control group(paroxetine,10 mg/kg)and the groups of low and high-dose(0.4,0.8 g/kg)Wulingjun powder. The rats in all groups except for control group,were exposed to single prolonged stress for the establishment of PTSD models. Corresponding drugs were given ig immediately after such establish-ment,qd,for 7 consecutive days. An open field test(the times of the rats’entering the central area and the percentage of the time the rats spent in exploring the central area within 10 min were recorded)was conducted 7 days after giving drugs;and an elevated plus-maze test(the times of the rats’in opening arms and the percentage of the time the rats spent in opening arms within 5 min were recorded)was carried out 8 days thereafter,to observe the behavior of the rats. Then the rats were sacrificed to determine the level of IL-1β and IL-6 in their hippocampi by ELISA. RESULTS:Compared to the normal group,the behavioral index of the rats in model group was significantly lower,and the level of IL-1β and IL-6 in their hippocampi was significantly higher(P<0.05 or P<0.01). Compared to model group,the behavioral index of the rats in positive control group and the group of high-dose Wuling-jun powder was significantly higher,and the level of IL-1β and IL-6 in their hippocampi was significantly lower (P<0.05),but no statistically significant difference was shown in all indexes in the group of low-dose Wulingjun powder (P>0.05). CONCLU-SIONS:High-dose Wulingjun power can improve the anxiety-like behavior of the rats with PTSD,which may be related to the re-duction in the level of IL-1βand IL-6 in the hippocampus.
7.Effect of adrenomedullin on L-type calcium currents and its signaling transduction process in guinea-pig ventricular myocytes
Qinmei KE ; Yimei DU ; Yibai FENG ; Ming TANG ; Jiufang DI
Chinese Journal of Pathophysiology 1986;0(04):-
AIM: To study the effect of adrenomedullin (ADM) on L-type calcium currents (I Ca,L) and its signaling transduction process in guinea-pig ventricular myocytes. METHODS: By using whole-cell patch clamp technique, the effect of ADM(1-100 nmol?L -1) on I Ca,Lmyocyte. Furthermore, the possible signaling transduction process of ADM on I Ca,L was investigated by observing the effects of ADM 22-52 (a specific ADM-receptor antagonist,100 nmol?L -1)+ADM(100 nmol?L -1), H-89 (a specific protein kinase A inhibitor, 10 ?mol?L -1) + ADM(100 nmol?L -1), PKC 19-36 (a specific protein kinase C inhibitor, 10 ?mol?L -1) + ADM(100 nmol?L -1) and PMA (a specific protein kinase C activator, 1 ?mol?L -1) on I Ca,L, respectively. RESULTS: ADM at the concentrations of 1-100 nmol?L -1 decreased I Ca,L in a dose-dependent manner (P
8.Dyspnea caused by glottis hematoma in a hemophilia patient.
Di ZHANG ; Jian-qun DU ; Xue-jie FAN
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2010;45(6):514-514
Aged, 80 and over
;
Dyspnea
;
etiology
;
Glottis
;
pathology
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Hematoma
;
complications
;
Hemophilia A
;
complications
;
Humans
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Laryngeal Diseases
;
complications
;
Male
9.Chang on saliva manganese, serum manganese and urine manganese in welders.
Xu-Qin DU ; Di-Xin WANG ; Li-Jun NIU
Chinese Journal of Industrial Hygiene and Occupational Diseases 2007;25(12):744-746
Adolescent
;
Adult
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Air Pollutants, Occupational
;
blood
;
metabolism
;
urine
;
Humans
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Male
;
Manganese
;
blood
;
metabolism
;
urine
;
Middle Aged
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Saliva
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chemistry
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Welding
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Young Adult
10.Deployment of medical equipment and its impacts on medical services in Pudong New Area of Shanghai
Di XUE ; Jianjun GU ; Tianyi DU ; Xin SUN ; Xiaoyan HE
Chinese Journal of Hospital Administration 2016;32(3):237-239
Objectives To analyze the deployment of medical equipment and its impacts on medical services of hospitals.Methods Existing data collection,a survey of public hospitals and a chart review of acute myocardial infarction(AMI)inpatients were used to collect related data.Gini coefficients,Chi-square and multivariate model were used to analyze deployment of medical equipment and its impacts on medical services.Results The number of CTs and that of CTs per million population in Pudong new area were higher than those of MRIs and DSAs,and the distribution of CTs among districts in Shanghai was relatively equal(Gini coefficient was 0.20).But lack of DSAs in some public general hospitals had affected the AMI inpatient care.Conclusions Public hospitals and governments in China should keep at a balance the demand of medical services,deployment level of medical equipment,and financial affordability for the society,governments and hospitals.