1.Effect on early tear film function of different adjustable suture in glaucoma trabeculectomy
Zhen-Hua, GE ; Pei-Jian, MIAO ; Ting-Ting, WANG
International Eye Science 2015;(1):149-151
Abstract?AlM:To compare the effects of different adjustable suture in glaucoma trabeculectomy on early tear film function.?METHODS:Sixty-eight cases of primary glaucoma ( 76 eyes) during January 2012 to June 2014 in our hospital were selected and divided into exposure conjunctival suture group ( 34 cases, 36 eyes ) and embedded conjunctival suture group ( 34 cases, 40 eyes ) according to treatment. Adjustable suture exposed conjunctival suture and embedding conjunctival suture was given to two groups, respectively. lntraocular pressure ( lOP ) before and after treatment 7, 14, 30d were observed and Schirmer test, tear break-up time, No Hikaru sensitivity and the occurrence of adverse reactions after treatment 1, 30d were recorded.?RESULTS: After the treatment, the mean lOP of two groups were decreased significantly ( P < 0. 05 ). The average lOP after treatment of 1d in the two groups were not statistically different (P>0. 05), after treatment 7, 14, 30d embedded conjunctival suture group was significantly higher than that of exposure conjunctival suture group ( P<0. 05). After 1d of treatment, Schirmer test, tear break-up time, No Hikaru sensitivity of two groups compared no significant difference (P<0. 05). After treatment 7, 14, 30d embedded conjunctival suture group Schirmer test, tear break- up time, was significantly superior to expose conjunctiva suture group (P<0. 05). The 30d package after treatment of conjunctival suture group buried adverse reaction rate was significantly lower than that of exposed conjunctival suture group (P<0. 05).? CONCLUSlON: Trabeculectomy operation with adjustable thread embedding conjunctival suture has few effects on the tear film function in patients with early postoperative complications, lower, and operation effect is better than that of exposed conjunctival suture.
3.A CYTOCHEMICAL STUDY OF B CELLS IN GERMINAL CENTER OF HUMAN LYMPH NODE AND TONSIL
Zhen-Hua GE ; Ruo-Yu WANG ; Bai-Hua LI ; Gi-Ging WAN ;
Acta Anatomica Sinica 1989;0(S1):-
Several specific monoclonal antibodies for B, T and natural killer (NK) cell were used to investigate the B cell localization and the expression of their phe- notype in lymphoid nodules on frozen and paraffin sections of human tonsil and lymph node by means of an immunocytochemical ABC technic. The results indi- cate that monoclonal antibodies reactive with germinal centers in tonsil and ly- mph node gave a simlar results and the results indicate that transformation and germination of germinal center cells involve phenotype changs but except T-200. For example, in the lower zone of germinal center, the lymphoblasts are weakly stained for IgM andLN-2 antibodies, but not for OKB-2 and BA-1, while in th upper zone the centrocytes are intense staining for IgM, LN-2, OKB-2 and BA-1 antibodies arelight or moderate staining separately Further charaterization of B cells in upperzone is frenquently observed clcavages on their nuclear memb- rane. In the mantle zone, the lymphocytes are strongly reacted with OKB-2 and BA-1, middle staining for LN-2 and light staining for sIgM. Plasma cell is only reactive with T-200 and IgM antibodies.
4.Optimization of service in Outpatient Pharmacy and Emergency Pharmacy by operational research and data statistics
Zhen CAI ; Zhangwei YANG ; Jinhong HU ; Haiyi GE ; Hua SU ; Hua TONG ;
Academic Journal of Second Military Medical University 2000;0(10):-
Objective: To investigate the actualities of service in Outpatient Pharmacy and Emergency Pharmacy. Methods: With queuing theory of operational research and data statistics, the specialities and varities of service in both Pharmacies were investigated before and after the application of computer network. Results: (1)The distribution of the patients number arriving the Pharmacies was unequal.(2) The time of service was extended after using network.(3)The average individual time of service in Emergency Pharmacy was 74 s, and 48 s in Outpatient Pharmacy. The reasons for the average individual time of service in Emergency Pharmacy more than that in Outpatient Pharmacy was related to the formulation of drugs in 2 pharmacies and the number of drugs on prescriptions. (4)The number of windows for service should be increased in Emergency Pharmacy after using network. Conclusion: Operational research and data statistics will provide the data assisting the manager in making decisions. [
5.Expression of indoleamine 2, 3-dioxygenase in condyloma acuminatum lesions
Zhen XIE ; Yuanhan CHEN ; Siyu WANG ; Huiying WAN ; Hua LEI ; Ge YANG ; Zhaochun LIN
Chinese Journal of Dermatology 2017;50(5):337-340
Objective To measure the expression of indoleamine 2, 3-dioxygenase(IDO)in condy-loma acuminatum (CA) lesions, and to evaluate its ability to locally metabolize tryptophan. Methods Immunohistochemical study was performed to observe the protein expression of IDO in skin lesions of patients with CA, and count the number of IDO-positive cells. Immunofluorescence assay was conducted to estimate the relationship between IDO-positive cells and dendritic cells. Epidermal cells and keratinocytes were isolated from warts of 30 patients with CA and prepuces of 11 healthy controls respectively, and both in vitro incubated with tryptophan solution for 4 hours. Then, high-performance liquid chromatography (HPLC)was performed to detect the level of tryptophan metabolite, kynurenine, in the culture supernatant of the above cells, which could reflect the ability of epidermal cells to metabolize tryptophan. Results Rare IDO-positive cells were found in the normal skin, but a lot of IDO-positive cells gathered in the epidermis of the wart tissues. The IDO-positive cell/total cell ratio was significantly higher in the wart tissues than in the normal skin(48.3%± 15.4%vs. 5.2%± 2.4%, P<0.05). The fluorescence signals of IDO-positive cells and CD1a-positive Langerhans cells were not overlapped with each other, suggesting that IDO-positive cells were derived from epidermal cells of the wart tissues. Compared with the keratinocytes from the healthy skin, the epidermal cells from warts had a stronger ability to metabolize tryptophan in vitro. Conclusion A large number of IDO-positive cells exist in CA warts, and may be involved in occurrence of CA.
6.Inhibition of corneal neovascularization by liposome mediated plasmid encoding endostatin with RGD sequence
Ping, LIU ; Hua, LI ; Hong, ZHANG ; Lijuan, ZHANG ; Zhen, SONG ; Hongyan, GE
Chinese Ophthalmic Research 2010;28(1):19-22
Background It has been demonstrated that αvβ3/αvβ5 and α5β1 integrins are overexpressed in neovascular tissue.Consequently,peptide containing the RGD (Arg-Gly-Asp) sequence,which exists in ligands of integrins,is effective in targeting therapeutic reagents to neovascular endothelium.ObjectivePresent study aims to investigate the antiangiogenetive effects of liposome mediated plasmid encoding endostatin with RGD sequence on alkali burn-induced corneal neovascularization (CNV) in rabbits.MethodsCNV models induced by alkali burn were established in 72 eyes of 36 New Zealand white rabbits by putting the filter paper with 1 mol/L NaOH at the central cornea for 20 seconds.The animal models were divided into four groups randomly.0.2mL of liposome and plasmid encoding RGD-ES complex (liposome mediated pCI-RGD-ES injection group),liposome and plasmid encoding ES complex (pCI-ES injection group),liposome and carrier plasmid (pCI) complex (pCI-ES injection group),and PBS were subconjunctivally injected respectively in the models from four groups twice a week for two weeks.The growth status of CNV was observed on day 1,3,7,14 after alkali burn under the slim lamp microscope.Experimental animals were sacrificed on the 3rd,7th and 14th day and the expression of VEGF in CNV was detected by immunohistochemistry.The number of corneal microvessels was counted based on the number of CNV cross-section under the light microscope.ResultsCNV area was significantly smaller in liposome mediated pCI-RGD-ES injection group and pCI-ES injection group compared with PBS group at different time points (P<0.01),but no significant difference was seen in CNV area between pCI-ES injection group and PBS group at different time points (P>0.01).The changes of number of corneal microvessels was followed a similar fashion as the change of CNV area.Expression of VEGF in cornea was obviously stronger in pCI-ES injection group and PBS group than liposome mediated pCI-RGD-ES injection group and pCI-ES injection group.ConclusionEndostatin with RGD sequence could effectively inhibit corneal neovascularization,and liposome is proved to be a potent carrier in gene transfer.
7.Simultaneous determination of pseudoephedrine and chlorpheniramine in human plasma by HPLC-UV detection method.
Qing-hua GE ; Zhen ZHOU ; Xiao-jin ZHI ; Hao WANG
Acta Pharmaceutica Sinica 2004;39(4):281-284
AIMTo establish a sensitive and specific method to simultaneous determination of pseudoephedrine and chlorpheniramine in human plasma.
METHODSPseudoephedrine and chlorpheniramine were extracted from alkaline plasma with t-butyl methyl ether as the base form, and were back-extracted into 1.5% hydrochloride solution. The two drugs were simultaneous determined by RP-HPLC with ultraviolet detection at 200 nm, using dextromethorphan as internal standard. A C18 column (250 mm x 46 mm ID) and a mobile phase containing acetonitrile-water-triethylamine (46:54:0.2, containing 10 mmol x L(-1) sodium dodecyl sulfate (SDS) and 60 mmol x L(-1) NaH2 PO4, adjusted pH to 2.6 with H3PO4) were used.
RESULTSThe limit of quantification was 10.0 and 0.5 microg x L(-1), the linear range was 1.5 - 0.01 mg x L(-1) and 75 - 0.5 microg x L(-1), for pseudoephedrine and chlorpheniramine, respectively. The within-day and between-day RSD were less than 12.4%, and the average recovery was between 97.3% - 109.4%.
CONCLUSIONThe method was sensitive, specific, simple, and suitable for drug level monitoring in clinical pharmacokinetic study.
Adult ; Chlorpheniramine ; blood ; pharmacokinetics ; Chromatography, High Pressure Liquid ; methods ; Delayed-Action Preparations ; Ephedrine ; blood ; pharmacokinetics ; Humans ; Male ; Spectrophotometry, Ultraviolet
8.Multi-sfice CT pulmonary function evaluation in emphysema
Xiao-Jun GE ; Guo-Zhen ZHANG ; Yan-Ping ZHU ; Lin SHAN ; Ding-Biao MAO ; Qi-Yong DING ; Yan-Qing HUA ;
Chinese Journal of Radiology 2001;0(03):-
Objective To explore the feasibility of evaluating the lung function by MSCT in emphysema.Methods The MSCT scan and pulmonary function tests(PFF)were respectively performed in 147 receptors within one week.They were randomly divided into 2 groups:group A(120 receptors), including normal,mild,moderate and severe abnormal pulmonary function based on the PFT,for comparing the correlation between pulmonary quantitative indexes of MSCT pulmonary function and PFT and settingup the primary grade criteria of abnormal pulmonary function in emphysema,group B(27 receptors)for evaluating the diagnostic accuracy in group A.The total lung was respectively scanned at the full inspiration and full expiration with MSCT.The pulmonary quantitative indexes of MSCT were measured with Siemens Pulmo pulmonary quantitative software.Results There was correlation between pulmonary quantitative indexes of MSCT and PFF.The Piex/in_(-910)showed best correlation with FEV_1%(r=-0.905,P
9.Correlation between the lung pixel indexes of multi-slice spiral CT and pulmonary function test.
Xiao-jun GE ; Guo-zhen ZHANG ; Ding-biao MAO ; Qi-yong DING ; Yan-qing HUA
Acta Academiae Medicinae Sinicae 2006;28(1):61-63
OBJECTIVETo study the correlation between the lung pixel indexes of multi-slice spiral CT (MSCT) and pulmonary function test (PFT), and to explore the CT features of histograms of lung attenuation.
METHODSMSCT scan and pulmonary function test (PFT) were separately performed in 127 subjects within one week. The total lung was scanned with MSCT at full inspiration, full expiration, and normal respiration. The lung pixel indexes were measured by Pulmo pulmonary quantitative software. These indexes include PI(-910Huin), PI(-960HUEX), PI(-910Huin), PI(-960Huex), PI(-910(Hun), PI(-960Hun), PI(910Huex/in), and the histograms of lung attenuation.
RESULTSCorrelation existed between all the lung pixel indexes of MSCT and PFT. PI(-910Huex/in showed the best correlation with FEV1/FVC (r = 0.901, P < 0.01). Three distribution patterns were found in the histograms of lung attenuation of total lung, including double-peak distribution (n = 28), similar normal distribution (n = 81), and partial distribution (n = 18).
CONCLUSIONThe lung pixel indexes of MSCT have significant correlation with PFT and can be used to assess the pulmonary function.
Adult ; Aged ; Aged, 80 and over ; Female ; Humans ; Lung ; diagnostic imaging ; Male ; Middle Aged ; Respiratory Function Tests ; Tomography, Spiral Computed
10.Preparation of polyclonal antibody against human MxA protein and its specificity to diversified myxovirus resistant protein A.
Kang WU ; Peng LIU ; Xiang-Xun MENG ; Li LIU ; Yan-Hua LI ; Zheng-Zhen GE ; Ji-Chen YANG
Biomedical and Environmental Sciences 2010;23(1):76-82
OBJECTIVETo study the human myxovirus resistant protein A (MxA), a specifically induced peptide by interferon I, and to use its level as a diagnostic criterion for viral infections.
METHODSAnti-MxA antisera from immunized mice were prepared with the expressed MxA protein of pET32a-MxA in E. coli BL-21(DE3). To confirm the antiserum activity and specificity, the expression product of BL21, wild type MxA pEGFP-C1-wMxA and site-directed mutant MxA pEGFP-C1-mMxA(N589S) stably transfected 3T3 cells and induced A549 cells were detected by Western blot with the antisera using non-MxA transfected or non-IFN-beta induced cells, intact A549, NIH 3T3 cells transfected with pEGFP-C1 and pET32a (+)-transformed BL-21 as controls.
RESULTSThe antisera had specific positive immunoreactivity to the NIH3T3 cells transformed with pEGFP-C1-wMxA and pEGFP-C1-mMxA, INF-beta induced A549 cells and BL21 proteins expressed with pET32a (+)-MxA. The hybridization signals from IFN-beta induced A549 cells depended on the IFN-beta inducing concentrations. Meanwhile, immunohistochemical assay showed that NIH 3T3 cells with pEGFP-C1-wMxA and pEGFP-C1-mMxA had > 98% of positive cells at 1:50 dilution of the serum and A549 cells induced by 20 ng/mL IFN-beta for 48 h showed 95% positive cells. pEGFP-C1-transfected NIH 3T3 cells were all negative.
CONCLUSIONAnti-sera are highly specific to diversified MxAs. The antibody is detectable by Western blot, immunocytochemistry and immunofluorescence assay.
Animals ; Antibody Specificity ; Cell Line, Tumor ; GTP-Binding Proteins ; genetics ; immunology ; metabolism ; Gene Expression Regulation ; Humans ; Mice ; Myxovirus Resistance Proteins ; NIH 3T3 Cells ; Species Specificity