1.Application progress of flow cytometry in the cytokine test and cytological examination for ocular diseases
Chinese Journal of Experimental Ophthalmology 2021;39(3):269-272
As an advanced quantitative technology for cells, flow cytometry, which can make multi-paramter quantitative analysis and sorting of individual cells or biological particles, has been widely used in immunology, oncology, hematology and other fields of medical research and clinical diagnosis in recent years.It can quantitatively detect the expression levels of cytokines and the distribution characteristics of cell subsets in the intraocular fluid.Compared with traditional enzyme-linked immunosorbent assay, cell morphology and immunohistochemistry, it has the advantages of simple operation, smaller sample size, higher sensitivity and higher throughput.Flow cytometry has been widely used in the detection and subgroup analysis of cytokines related to eye diseases, such as intraocular angiogenesis, intraocular lymphoma, retinopathy, cataract, uveitis, sarcoidotic uveitis, infectious intraocular inflammation, etc.Flow cytometry plays an increasingly important role in the pathogenesis research and targeted therapy of eye diseases.In this article, the application of flow cytometry in the examination of cytokines and cytology in ocular fluid for ocular diseases were reviewed.
2.Application of seminar teaching method in thoracic surgery clinical teaching of residents
Chinese Journal of Medical Education Research 2017;16(6):619-621
According to the national residency training regulations in the teaching of clinical and scientific research, the department of thoracic surgery of First Affiliated Hospital of Chongqing Medical University has used seminar teaching , and has collected random sampling survey questionnaire of 110 students participating in seminar from September 2014 to March 2016. The investigation shows that through seminar teaching training, doctors will cultivate their clinical and research ability, and enhance their self-confidence. Therefore, the application of seminar teaching in department of thoracic surgery is helpful to improving the quality of clinical teaching and is worthy of further improvement and promotion.
3.2014 Annual Meeting of the American Urological Association: early screening and molecular markers of prostate cancer.
Tao TAO ; Han GUAN ; Ming CHEN
National Journal of Andrology 2015;21(6):555-560
The 109th Annual Meeting of the American Urological Association was held in Orlando, Florida, USA in May 2014, which received more than 1,000 abstracts on prostate cancer (PCa), covering new epidemiological data about PCa, new theories of early screening, novel molecular markers, new surgical methods, new ideas of diagnosis and treatment of castration-resistant PCa, and progress in basic researches. This paper focuses on the new theories of early screening and novel molecular markers of PCa, including the risk factors of PCa, a revolutionary understanding of the relationship between testosterone and PCa, and new application of PSA, new imaging techniques and molecular markers in the early diagnosis of PCa.
Biomarkers, Tumor
;
blood
;
Early Detection of Cancer
;
Florida
;
Humans
;
Male
;
Prostatic Neoplasms
;
blood
;
diagnosis
;
therapy
;
Risk Factors
;
Societies, Medical
;
Testosterone
;
blood
;
United States
;
Urology
4.Evaluation of risks perceived by people using HIV voluntary counseling and testing services
Chinese Journal of AIDS & STD 2007;0(05):-
Objective To investigate and analyze structure of risk perceived by people using HIV voluntary counseling and testing services and related factors.Method Two hundred and sixty eight VCT users were selected from 2 CDCs and 2 hospitals in Beijing and their perceived risks in the process of VCT were assessed by using self-administered question- naires.Factor analysis was performed to understand the relationship between different perceived risks,and risks perceived by different users were evaluated.Results Six factors were obtained from the factor analysis which included:fear of priva- cy disclosure,embarrassment,concern over the reliability of HIV tests,cost & time consumption,the tragic outcomes of HIV positive tests,and potential medical expenditures in the future.And the risks perceived by low and high income users were much higher than those perceived by middle income users.Conclusion There are clear structure of risks perceived by people using HIV voluntary counseling and testing,and people with different incomes have different levels of perceived risks.
6.The effect of pigment epithelium-derived factor on apoptosis of glioma cells
Tao ZHANG ; Ming GUAN ; Yuan Lü
Chinese Journal of Laboratory Medicine 2008;31(4):421-424
Objective To assess the impact of pigment epithelium-derived factor(PEDF)on the proliferation and apoptosis of the glioma cells by detecting expression of apoptosis related proteins.Methods U87 cells were treated with PEDF(1000μg/ml,U87PEDF),or without PEDF(U87com0),cell proliferation assays were performed by MTT assay to test the effect of PEDF on proliferation of glioma cells;Apoptosis assays were performed by flow-cytometric analysis;Western-blot Was used for evaluating the expression of p16 protein.Results The induced inhibitony rates of glioma cells by PEDF were(54.29±0.62)% Compaxed with the control(t=2.63,P<0.05).The apoptosis assay showed that(21.84±0.36)% of PI- negative/annexin V-positive Was present in the U87 PEDF cells.The appoptosis was associated with the incteases of p16 protein(0.82±0.09)compared with tlle control(0.43±0.03,P<0.05).Conciusion PEDF may play a significant role in apoptosis regulation and proliferation of glioma cell accompanied with the increase of the p16 protein.
7.Changes of levels in serum IL-18 and IL-13 in children with Guillain-Barre syndrome
Tao PENG ; Ming FENG ; Guiyuan FANG
Journal of Clinical Neurology 1997;0(06):-
Objective To explore the changes and role of levels of serum IL-18 and IL-13 in children with Guillain-Barr? syndrome(GBS).Methods The levels of serum IL-13 and IL-18 were determined by enzyme-linked immunoabsordent assay(ELISA)in 42 children with GBS(GBS group)in stages of acute and recovery,and compared with the normal control(NC)group.Results The serum levels of IL-18 and IL-13 in GBS group at acute stage[(44.87?7.53)pg/ml,(37.46?6.94)pg/ml] were significantly higher than those at recovery stage[(38.25?5.86)pg/ml,(32.14?6.89)pg/ml] and NC group[(32.35?4.93)pg/ml,(24.76?5.59)pg/ml](all P
8.Research of the relationship between the level of SAA and carotid atery artherosclerosis in patient with type 2 diabetes
Chinese Journal of Practical Internal Medicine 2006;0(14):-
Objective To study the relationship between serum amyloid A(SAA)and the common carotid intima-media thickness(IMT)in type 2 diabetic(T_2DM)patients.Methods Sixty-nine patients with type 2 diabetes,and 20 healthy subjects regarded as the normal controls(NC)were enrolled in the study from January to July of 2005.SAA levels were measured using ELISA.The carotid IMT were examined by hypersensitive color Doppler ultrasonography.Results SAA level was significantly elevated in type 2 diabetes group compared with that in the control3.08(2.1~5.06)mg/L vs 1.37(1.07~1.86)mg/L,P
9.The use of Minirail balloon catheter in coronary intervention
Yong HUO ; Tao HONG ; Ming CHEN
Chinese Journal of Interventional Cardiology 1993;0(03):-
Objective To evaluate the effectiveness and safety of a new designed balloon catheter, the Minirail balloon catheter in coronary intervention Methods Twenty two consecutive patients with coronary artery disease (male 16, female 6, mean age 58 77?8 69 years) were enrolled the study Selective angioplasty was performed for 24 target lesions (17 in LAD, 2 in LCX, and 5 in RCA) Among these target lesions were 5 type C, 14 type B 2, and 5 type B 1 lesions The average extent of narrowing before procedure was 91 18%?5 95% Target lesions were dilated with Minirail balloon catheters Results All of the target lesions were successfully dilated with Minirail balloon catheters The average residual stenosis was 33 18%?25 14% after balloon angioplasty Significant dissection was seen in 3 of the cases, and slow reflow in another one Twenty four stents were implanted in 19 cases The final residual stenosis was 1 82%?5 01% at the end of procedure No death or Q wave myocardial infarction happened No emergency bypass surgery needed Conclusion Minirail balloon catheter is safe, effective, and easy to be used in coronary intervention
10.Functional Activity and Cognitive Impairment of Patients with Alzheimer Disease in its Early Stage
Jingfang GAO ; Ming TAO ; Shunqua ZHANG
Chinese Mental Health Journal 2002;0(09):-
Objective:to study cognitive impairment and social function of patients with Alzheimer disease (AD). Method:22 patients with AD and 12 with depression in elderly were followed for 3 months, both at the very beginning and the end of 3 months, they were tested with CASI (cognitive abilities screening instrument) and FAQ (functional activities questionnaire).Result:scores of short memory, attention, mathematics, abstract and association of CASI were significantly lower in AD group than that in depression group. AD patients had also poorer outcome in FAQ, such as in that of shopping, learn new things, and recall of engagement.Conclusion:Cognitive impairment and social function of patients with AD were poorer than elderly patients with depression.