1.THE MEASUREMENT OF NEUTROPHIL FUNCTION AND OPSONIC ACTIVITY BY CHEMILUMINESCENCE
Medical Journal of Chinese People's Liberation Army 1982;0(03):-
A method for measurement of neutrophil function and opsonic activity by chemiluminescence (CL) was reported in this paper.The factors influencing the emission of CL were discussed. The experimental results suggested that CL depends on the concentration of luminol, the dilution of serum opsonin, the number of neutrophils and the environmental temperature. The optimum conditions defined in present study were: the concentration of luminol was 1?105M, the number of neutrophils 2?106/mml, the reactive temperature 37℃. According to the relationship between CL emission and the bactericidal activity of phagocytizing neutrophils, the measurement of CL may be used as a rapid, simple and usefull tool to determine the funetion of humoral-phagocyte axis.
2.Clinical Significance and Related Factors of Fluid-Attenuated Inversion Recovery Vascular Hyperintensi- ties in Transient Ischemic Attack
Xiaoyu DONG ; Zhiyong ZHAI ; Jianfei NAO
Chinese Journal of Nervous and Mental Diseases 2015;(8):449-454
Objective To investigate clinical significance and related factors of fluid-attenuated inversion recov?ery vascular hyperintensities (FVH) in transient ischemic attack (TIA) of carotid system. Method Data including general information and TIA risk factors was continuously collected from 142 patients with carotid system TIA from the depart?ment of neurology of Sheng jing Hospital affiliated China Medical University from January 2012 to February 2014.All pa?tients completed brain MRI including FLAIR and diffusion-weighted imaging (DWI)and MRA examinations within 72 hours after TIA. All patients were followed up for one month. Risk factors and FVH situations were analyzed based on clinical manifestations and DWI results. Result There were 87 male cases (61.27%)and FVH positive 57 cases (40.14%) among 142 cases with carotid system TIA (mean age 63.2±11.5). Logistic regression analysis revealed that the large intra?cranial carotid artery stenosis≥50%(OR=2.44,95%CI:1.09~5.49, P=0.03) and prior history of ischemic stroke (OR=3.88,95%CI:1.04~14.5, P=0.04) were independently associated with positive FVH. At one month followed-up, 40 cas?es (28.17%) of 142 patients progressed to acute cerebral infarction. Vulnerable plaque number in the contralateral carot?id artery (P=0.018), contralateral intracranial large vessel stenosis in MRA≥50%(P=0.007) and contralateral FVH oc?currence rate (P=0.001) were significantly higher in cerebral infarction group than in non-cerebral infarction group. Con?clusion FVH is common in carotid TIA patients, which is associated with intracranial carotid artery stenosis ischemic and previous history of ischemic stroke. Vulnerable plaque number of contralateral carotid artery, contralateral intracranial large vessel stenosis≥50%and the rate of occurrence of contralateral FVH may be associated with short-term progress leading TIA to acute infarction.
3.Effects of dopamine and norepinephrine on blood oxygen,heart rate and internal environment in patients with septic shock
Qinjuan QIAN ; Hong DONG ; Zhiyong FEI
Chinese Journal of Primary Medicine and Pharmacy 2017;24(17):2620-2622
Objective To analyze the effects of dopamine and norepinephrine on blood oxygen,heart rate and internal environment in patients with septic shock.Methods 80 patients with septic shock were collected.The patients were randomly divided into two groups.The control group was given dopamine treatment,the observation group was given dopamine and norepinephrine.Results The heart rate (HR)[(90.39±15.29)/min],ScVO2 index[(77.03±7.68)%] of the observation group were better than those of the control group (t=4.122 5,2.141 5,all P<0.05).The urine volume[(94.05±22.39)mL/h],creatinine clearance rate[(53.12±14.45)mL/min] of the observation group were better than those of the control group (t=3.660 6,2.023 2,all P<0.05).ConclusionDopamine combined with norepinephrine has significant effect on patients with septic shock,which can effectively improve the HR,ScVO2,urine volume,creatinine clearance rate and other indicators,thus to restore the patients'' internal environment.
4.Toll-like receptor 4 signal transduction pathway and its role in ischemic stroke
Dong WANG ; Zhiyong YANG ; Hua LU
International Journal of Cerebrovascular Diseases 2010;18(10):777-781
Patients with ischemic stroke is often accompanied by inflammtory response. Studies have suggested that toll-like receptor 4 (TLR4) has induced the occurrence,development and of ischemic stroke and secondary brain injury. This article reviews the toil-like receptor 4 signal transduction pathway and its roles in ischemic stroke in order to provide certain basis for the development of TLR4-targeted medication.
5.Percutaneous vertebral augmentation with the Vessel-X bone void filling container system: A preliminary clinical trial
Zhaomin ZHENG ; Guanming KUANG ; Zhiyong DONG
Chinese Journal of Minimally Invasive Surgery 2001;0(02):-
Objective To explore the clinical effectiveness and safety of percutaneous vertebral augmentation with the Vessel-X bone void filling container system (Vesselplasty). Methods Three cases of fresh osteoporotic vertebral compression fracture were treated with Vesselplasty. After procedure, the pain relief, the fracture reduction, and the cement distribution in the vertebra were observed. Results All the 3 cases were treated with the unipediclar injection technique. The operative time was 45, 32 and 30 min, respectively. The hemorrhage volume was
6.Advances in research of rh-endostatin in the treatment of cancer
Wenyao XIE ; Da JIANG ; Zhiyong YANG ; Qian DONG
Journal of International Oncology 2016;43(5):360-363
Recombinant human endostatin (Endostar) is a broad spectrum molecular targeted drug on anti-angiogenesis that the main evidence-based data is combined chemotherapy treatment of advanced non-small cell lung cancer (NSCLC).In recent years,the researches of recombinant human endostatin used in the treatment of various malignant tumors are on the increase and achieve good effect.In addition,the researches about combined treatment methods,routes of administration,methods of medication are carried out gradually,which will be conducive to the reasonable application in clinical.
7.Correlation study of small vessel disease caused acute lacunar infarction and urine microalbumin
Zhiyong ZHAI ; Yan GAO ; Dong HAN ; Juan FENG
Chinese Journal of Cerebrovascular Diseases 2014;(9):480-484
Objective Toinvestigatethecorrelationofsmallvesseldisease(CSVD)causedacute lacunarinfarctionandurinemicroalbumin.Methods Theclinicaldataof136patientswithacutelacunar infarction admitted to the Department of Neurology,Shengjing Hospital of China Medical University from November 2012 to April 2014 were analyzed retrospectively. They were divided into either a CSVD group (n=72)or a cerebral large vessel disease (CLVD)group (n=64)according to their carotid artery color Doppler ultrasound and head magnetic resonance angiography findings. The levels of urinary microalbumin in both groups were observed and compared. SAS 9. 1 software was used to conduct statistic analysis. A Logistic regression analysis was used to determine the independent risk factors for CSVD caused acute lacunarinfarction.Results TheconcentrationofurinemicroalbuminoftheCSVDgroup(22±13mg/L) was significantly lower than (29 ± 14 mg/L)that of the CLVD group. There was significant difference (P<0.05). There was significant difference in the increased urine microalbumin levels between the CSVD group and the CLVD group (P<0. 01). There was an increasing trend for the proportion of patients with urine microalbumin concentration 10- <30 mg/L (56. 9%[41/72])in the CSVD group compared with the CLVD group (26. 6%[17/64]). Logistic regression analysis showed that the slightly increased microalbuminuria was associated with CSVD caused acute lacunar infarction (OR,3. 130,95%CI 1. 481-6.618;P<0.01).Conclusion Theslightlyincreasedmicroalbuminuriaisanindependentriskfactorfor CSVD caused acute lacunar infarction.
8.Effect of high mobility group box-1 protein on Foxp3 expression in spleen regulatory T cells in mice
Ying ZHANG ; Yongming YAO ; Ning DONG ; Feng LIU ; Zhiyong SHENG
Journal of Third Military Medical University 2003;0(21):-
Objective Intranuclear forkhead/winged helix transcription factor p3(Foxp3) plays a key role in T cell-mediated immunosuppression.The present study was performed to investigate the effects of high mobility group box-1 protein(HMGB1) on Foxp3 gene as well as protein expressions in splenic regulatory T cells(Tregs) and their potential regulating mechanisms in mice.Methods CD4+CD25+Tregs isolated from the spleens of male BABL/c mice by magnetic beads were seeded on 96-well(1?105 cells/well) cell culture plates coated with anti-CD3(1 ?g/ml) and soluble anti-CD28(1 ?g/ml),and the cells were stimulated with HMGB1 at various intervals or at different concentrations.After being stimulated,the Foxp3 mRNA/protein expressions in the Tregs were determined.The time-dependent and dose-dependent responses between HMGB1 and intranuclear Foxp3 expression were analyzed by flow cytometry,and the expressions of Foxp3 mRNA of Tregs were analyzed by quantitative PCR of SYBR GREEN.Results After stimulation with HMGB1,the intranuclear Foxp3 protein and mRNA expressions of splenic Tregs in mice were markedly down-regulated in 24 h to 72 h(P
9.Effects of eritoran on the expressions of IL-1β, TNF-α and IFN-β mRNA in the basilar artery after subarachnoid hemorrhage in rabbits
Dong WANG ; Zhiyong YANG ; Hua LU ; Chao WANG
International Journal of Cerebrovascular Diseases 2012;20(3):193-197
Objective To investigate the effects of eritoran on the expressions of the inflammatory cytokines interleukin-1β (IL-1β),tumor necrosis factor-α (TNF-α) and interferon-[ (IFN-β) mRNA in the basilar artery after subarachnoid hemorrhage (SAH) in rabbits.Methods Atotal of 36 healthy adult male New Zealand white rabbits were randomly allocated into three groups:SAH (n =12),normal saline (n =12) and eritoran (n =12) groups.A SAH model was induced by injection of autologous arterial blood into cisterna magnatwice.An equal amount of cerebrospinal fluid was displaced with the saline in the normal saline group.An equal amount of autologous non-heparinized arterial blood was injected immediate after the replacementof cerebrospinal fluid in the SAH group.Eritoran 1.5 mg/kg was injected intravenously immediately after the blood injection via the cisterna magna each time in the eritoran group.The food intake and neurological deficit were assessed.The expressions of IL-1β,TNF-α and IFN-β mRNA in the basilar artery were detected by real-time fluorescence quantitative polymerase chain reaction.Results The food intake scores (1.20 ± 0.41 vs.2.20 ±0.61; t =53.073,P =0.002),the neurological deficit scores (1.46 ± 0.32 vs.2.6 ± 0.08; t =306.431,P =0.001),the expressions of IL-1β (1.22 ±0.48 vs.2.38 ±0.06,P =0.000),TNF-α (1.39 ±0.07 vs.3.32 ±0.21,P =0.000) and IFN-β (1.51 ±0.08 vs.2.18 ±0.05,P =0.000) in Eritoran group were all significantly lower than those in the SAH group.Conclusions Eritoran may downregnlate the expressions of inflammatory cytokines IL-1β,TNF-α and IFN-β mRNA in the basilar artery after SAH in rabbits,increasing food intake,and improving neurological deficits.
10.A design of a prototype of traditional Chinese medicine nasal atomizer device
Liang TIAN ; Jinpeng WU ; Xiaoxi DONG ; Zhiyong GONG
International Journal of Biomedical Engineering 2014;37(3):163-166
Objective Nasal administration,as a common means of treatment of respiratory diseases,may normally cause bronchospasm,cough and other adverse reactions,the efficiency of nasal nebulizers has been criticized as well.This paper aims to develop a medicine atomizing device,pharmaceutically atomized in solving the existing problems,providing a modern instrument for treatment of respiratory diseases by traditional Chinese medicine.Methods The device could prepare medicine by decoction and filtration,which means this unit is divided into two functional modules,medicine preparation and herbal atomization.1 200 W heating plate is placed in decoction unit and is programmed to fit traditional decoction protocol.Steam and ultrasonic nebulised medicine are combined in atomizing unit.Another non-contact infrared heating unit also located in to control the temperature precisely.Different forms of traditional Chinese medicine and different filtration methods were selected to optimize the atomizing effect.Results An implementation of two sequence of filtration enabled optimization of atomizing.After 15 volunteers'trial,this device functioned well on Bama nasal medical protocol,and could effectively avoid the adverse reactions of the traditional way of cold fog atomizing.Conclusions The nasal nebulizer equipment on which Chinese herbal medicine treatments could directly performed,produced atomized mist particle size suitable for nasal treatment,and by generating warm steam to avoid the common clinical administration caused choking to hypoxia and other adverse reactions.Meanwhile,instrument has a friendly interactive feature to meet the clinical requirements for medicine nebulizer treatment.