1.Pedicle screw fixation through paraspinal approach for thoracolumbar fractures:a follow-up of correction effect and biocompatibility
Wei CUI ; Yongpeng ZHANG ; Bin ZHANG
Chinese Journal of Tissue Engineering Research 2015;(22):3513-3518
BACKGROUND:Different operation approaches can be selected during the repair of thoracolumbar fractures. Traditional posterior median approach wil cause great wound on patients, and easily induces some adverse consequences. OBJECTIVE: To compare the effects and biocompatibility of conventional posterior median approach and paraspinal approach fixation for treatment of thoracolumbar fractures. METHODS: A retrospective analysis was performed on clinical data of 53 cases of thoracolumbar fracture in the Shaanxi Province Nuclear Industry 215 Hospital from December 2012 to December 2013. They were divided into two groups according to approach method. The control group (n=27) received pedicle screw placement fixation through conventional posterior median approach. The observation group (n=26) underwent pedicle screw placement fixation through paraspinal muscle approach. After repair, they were folowed up for 12 months. Imaging results, pain score and perioperative relevant indexes were observed and compared in both groups. RESULTS AND CONCLUSION: Imaging examination was conducted before repair, immediately after repair and during final folow-up in both groups. The height of vertebral anterior border and kyphosis correction effect were good after different therapies in both group, but no significant difference was detectable between the two groups (al P > 0.05). These findings suggest that height of vertebral anterior border and kyphosis correction effect were identical between the two groups. Pain visual analog scale score was significantly lower in the observation group than in the control group at 24 hours and 3 days after repair and during final folow-up (al P < 0.05). Perioperative relevant indexes were analyzed in both groups. Intraoperative bleeding amount, drainage and bed time after repair were observed in the observation group, which showed significant advantages as compared with the control group (al P < 0.05). These results confirmed that compared with the traditional posterior median approach surgery, minimaly invasive pedicle screw placement through paraspinal muscle approach for thoracolumbar fractures can obtain better repair effects and biocompatibility.
2.Non-autophagic degradation roles of autophagy receptors.
Da-wei WANG ; Bin ZHANG ; Bin LÜ ; Guang-xin WANG
Acta Pharmaceutica Sinica 2016;51(1):1-8
A growing body of evidence has indicated the important role of autophagy receptors in directing ubiquitinated or non-ubiquitinated cargos towards autophagy. Autophagy receptors bind to LC3 (microtubule-associated protein 1 light chain 3) on phagophore and autophagosome membranes, and recognize signals on cargoes in the delivery system of autophagy. However, the diverse domains in the receptor structures determine that their roles would never be limited to autophagy. Up to date, increasing numbers of the receptor proteins have been demonstrated to serve as a molecular link or switch participating in autophagic degradation, apoptosis or cell survival signals. Here, we highlight the non-autophagic roles of these receptor proteins to draw attention to this growing research topic.
Apoptosis
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Autophagy
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Humans
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Microtubule-Associated Proteins
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physiology
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Signal Transduction
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Ubiquitination
3.Blood glucose changes in the process of continuous blood purification treatment and its clinical significance
Zhigang ZHANG ; Bin SHI ; Bin LI ; Huaping WEI
Clinical Medicine of China 2010;26(11):1171-1173
Objective To investigate the blood glucose changes in critically ill patients taken continuous renal replacement therapy(CRRT)before treatment and at different time points after treatment. Methods Sixtyseven critically ill patients were enrolled in the study,of whom 13 cases were treated conventionally and assigned as pre-treatment control group,while the other 54 cases undertook CRRT were assigned as CRRT group. The CRRT group were further sub-divided into four groups according to CRRT time((CRRT time <6 h group(n = 18),CRRT time of 6 - 12 h group(n = 18),CRRT time > 12 h group(n = 18);or sub-divided into two groups according to circulating blood temperature(≤ 36. 5 ℃ group(n =27)and > 36. 5 ℃ group(n =27));or sub-divided into two groups by sugar substitute fluid replacement solution as the formula group(the standard level of sugar content was 6. 9 mmol/L(n = 27)and sugar-free replacement fluid group(n = 27);or sub-divided into two groups according to the Glasgow Coma score(GCS)(GCS ≤ 8 points group(n = 24)and GCS > 8 group(n = 30). Blood glucose level at different time points were measured. Results The longer CRRT cycle time,lower temperature,sugar substitute fluid replacement fluid worse GCS score corresponded to more dramatic blood glucose fluctuation at different time points in CRRT group,and it took longer time for them to recover to normal blood sugar level Conclusions During the CRRT process insulin secretion was suppressed and led to increase of blood sugar. In most cases the blood glucose returns to normal after CRRT treatment over time,but a small number of cases require clinical intervention.
4.Expression and significance of vascular endothelial growth factor-C in lymph fluid, serum and tissue of esophageal cancer
Wei ZHANG ; Zhuoqi JIA ; Bin ZHOU
Chinese Journal of Thoracic and Cardiovascular Surgery 2008;24(2):102-104
Objective To investigate the expression of vascular endothelial growth factor C(VEGF-C ) in tissue, serum and lymph fluid in esophageal cancer patients, and the relationship between its expression and tumor lymphatic metastasis. Methods Expressions of VEGF-C in 76 cases of ESC was detected by immunohisto-chemical SP method and VEGF-C levels in lymph fluid and serum were assessed by enzyme-linked immunosorbent assay. Results Positive immunostaining of VEGF-C in esophageal cancer tissue was 63.1%,The expression of VEGF-C in tissue was significantly associated with lymph node metastasis and TNM stage ( P<0.01, P<0.05 respectively), but not to patient age, tumor length or differentiation; VEGF-C in lymph fluid is significantly higher than in serum( P<0.05) ; The expression of VEGF-C in lymph fluid end serum were significantly associated with lymph node metastasis( P<0.05). Conclusion There are cliuical significance between VEGF-C expression and lymph node metastasis、TNM stage in tissue of esophageal cancer. The level of VFGF-C in lymph fluid is higher than that in serum, both associate with lymph-node metastasis closely.
6.Current advance in the research of related influencing factors of myopia
Xiao-Wei, YANG ; Shao-Bin, ZHANG
International Eye Science 2017;17(10):1871-1873
Myopia is not only a global public health problem, but also a significant socio-economic problem. There are various hypotheses about the pathogenesis of myopia, which is basically the result of the combination of environmental and genetic factors. Although a large number of epidemiological studies have been carried out on the influencing factors of myopia, most of them are cross-sectional studies, longitudinal cohort studies are relatively few. This paper will summarize the influencing factors of myopia at homeland and abroad in recent years.
7.Metabolites of sphingolipids as targets for cancer therapy
Xiu-Bin, XIAO ; Wei-Jing, ZHANG
Bulletin of The Academy of Military Medical Sciences 2009;33(6):593-595
Sphingolipids are structural components of cellular membranes.Their metabolites,such as ceramide,sphingosine,and sphingosine 1-phosphate are important bioactive molecules,which act as the first or second messengers regulating various cellular activities,including proliferation,survival,migration and neovascularization in vitro and in vivo tumor models.Sphingosine kinases 1(SPK1) is a critical regulator of the balance between ceramide and S1P.Recent studies show that ceramide,SPK1 and S1P can regulate many of the hallmarks of cancer.These studies suggest that these metabolites can serve as novel targets for cancer therapy.
8.Amperometric Glucose Biosensor Based on Carbon Nanoparticles
Meifang WANG ; Wei ZHANG ; Bin FANG
Chinese Journal of Analytical Chemistry 2010;38(1):125-128
The nafion/carbon nanoparticles (CNPs) composite film modified glassy carbon electrode was pre pared by dropwise method, and the electrocatalyst of H_2O_2 at Nafion/CNPs modified electrode was investiga ted.The results show that electrocataytic activitie for detection of H_2O_2 at the modified electrode is very good.The biosensing application of CNPs was demonstrated through fabrication of an electrochemical biosensor.The biosensor was constructed by encapsulating glucose oxidase in the Nafion/CNPs composite film.The biosensor had good electrocatalytic activity toward oxidation of glucose.The glucose biosensor shows a linear range from 2.0 × 10 ~(-6) to 6.0×10~(-3) mol/L with a detection limit of 1.6×10 ~(-6) mol/L.The biosensor shows high stabili ty, good reproducibility and can avoid the commonly coexisted interference.In addition, real rat serum samples were analyzed by this biosensor with satisfactory results.
9.Clinical study of azithromycin on patients with idiopathic pulmonary fibrosis
Bin LIU ; Lili ZHU ; Wei ZHANG
Chinese Journal of Postgraduates of Medicine 2011;34(25):1-3
ObjectiveTo estimate the effect of azithromycin on lung function and transforming growth factor β1(TGF- β1) in patients with idiopathic pulmonary fibrosis (IPF). MethodsOne hundred and ten patients with IPF were divided into two groups by random digits table. Patients in azithromycin group(60cases) were treated by azithromycin tablets and thoee in placebo group ( 50 cases) were treated by placebo tablets, and they were observed for 12 weeks. Lung function was detected at beginning and after 6,12 weeks' treatment. TGF- β1 was tested by ELISA, meanwhile patient's condition was observed. ResultsAfter 6 and 12 weeks' treatment, the forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), carbonmonoxide diffusion capacity (DLCO) in the two groups had no significant differences compared with those at beginning of treatment (P > 0.05). After 12 weeks' treatment, the level of TGF- β1 in azithromycin group was significantly decreased compared with that at beginning and after 6 weeks' treatment (P < 0.05) ,but there was no significant difference in placebo group (P > 0.05). The ratio of acute exacerbation admission and infection was 8.3%(5/60) and 60.0%(3/5) in azithromycin group, 22.0%( 11/50) and 81.8%(9/11 ) in placebo group,and there were significant differences between the two groups(P <0.05 or <0.01). Conclusion Azithromycin may reduce the ratio of acute exacerbation admission and infection, decrease TGF- β 1 expression in patients with IPF by taking orally for a long time, but it may have no obvious effect on lung function.
10.Clinical research on trimebutine maleate,oryzanol and anisodamine combined application in treatment of the elderly patients with irritable bowel syndrome
Wei ZHANG ; Jinping LI ; Bin DU
Chinese Journal of Primary Medicine and Pharmacy 2011;18(23):3196-3197
Objective To explore more effective treatments for irritable bowel syndrome(IBS)in old people.Methods 80 patients with irritable bowel syndrome were selected.adverse drug reaction during treatment,and therapy effect of a symptom score after treatment observation group and control group were compared.Results Total improvement rate of symptoms from observation group was 91.7%,and total improvement rate of symptoms in control group was 65.6%.Difference of proportions of significant improvement and improvement was significant,according to the situation that was controlled between observation group and control group.The difference of symptom score after treatment was significant,according to the situation that was controlled between observation group and control group.Conclusion Trimebutine maleate,oryzanol and anisodamine combined application could remarkably improve irritable bowel syndrome treatment effect,and was more safe.