1.Regulation of Toll-like receptors in fungal keratitis
Chinese Journal of Experimental Ophthalmology 2015;33(10):953-956
Fungal keratitis (FK) ,a potential blinding disease,has been difficult to treat due to the limited number of approved antifungal drugs and the taxing dosing regimen.Toll-like receptors (TLRs) function as the pattern recognition receptors (PRRs) in mammals and play an essential role in the recognition of fungal components.There is a great amount of evidence that TLRs initiate the innate immunity in the FK.Furthermore, TLRs also play roles in shaping fungal-specific humoral and cellular adaptive immune responses.This review described the recent advances in interaction between TLRs and non-TLRs signal transduction,negative regulator and function of TLRs in corneal fungal infection.
2.Effects of cilostazol on plasma platelet-related indicators in trauma fractures patients with postoperative venous thrombosis
Chinese Journal of Biochemical Pharmaceutics 2014;37(4):134-136,139
Objective To evaluate the effects of cilostazol on plasma platelet-related indicators in trauma fractures patients with postoperative venous thrombosis.Methods 104 cases of trauma fractures patients with postoperative venous thrombosis from February 2012 to July 2013 in Laiwu City People’s Hospital were collected and randomly divided into group A and group group B,each had 52 cases Two groups were given conventional nursing, and group A were added cilostaeol group B were added aspirin.Other 50 cases of current healthy people for medical examination were selected for controls (group C).The effects of cilostazol on plasma platelet-related indicators in each treatment group were analyzed. Result Before treatment,the levels of IL-6 and IL-8 in group A and B were significantly higher than group C(P<0.01),but there is no difference between group A and B.The plasma CRP, FIB and DD in group A and B were significantly decreased than group C(P<0.01,P<0.05).After appropriate treatment,the levels of CRP,FIB and DD in group A and B were significantly reduced than pre-treatment(P<0.01,P<0.05).CRP content in group A was lower than that in group B,the difference was statistically significant(P<0.05 ),FIB and DD in group A showed no differencewith group B.Before treatment,PDW,PLT,MPV and P-LCR in group A and B were significantly higher than group C(P<0.01,P<0.05).After appropriate treatment,the levels of PDW,PLT,MPV and P-LCR in two groups were significantly decreased (P <0.01,P <0.05 ),but there was no difference between two groups.Before treatment,the expression of platelet activation in group A,B were significantly higher than group C(P<0.01),but significantly reduced after appropriate treatment (P<0.01),and the difference between the two groups was not statistically significant.Conclusion Cilostazol could reduce the expression of inflammatory factors,levels of D-dimer and fibrinogen and platelet related indicators by reduced platelet activation,which plays antithrombotic effect.
3.Efficient iris recognition via ICA feature and SVM classifier
Journal of Pharmaceutical Analysis 2007;19(1):29-33
To improve flexibility and reliability of iris recognition algorithm while keeping iris recognition success rate, an iris recognition approach for combining SVM with ICA feature extraction model is presented. SVM is a kind of classifier which has demonstrated high generalization capabilities in the object recognition problem. And ICA is a feature extraction technique which can be considered a generalization of principal component analysis. In this paper, ICA is used to generate a set of subsequences of feature vectors for iris feature extraction. Then each subsequence is classified using support vector machine sequence kernels. Experiments are made on CASIA iris database, the result indicates combination of SVM and ICA can improve iris recognition flexibility and reliability while keeping recognition success rate.
4.Effect of VEGF on chondrogenic differenciation of human bone marrow derived mesenchymal stem cells
Kaiyou WANG ; Luping ZHANG ; Ying WANG
Orthopedic Journal of China 2006;0(19):-
[Objective] To study the effect of vascular endothelial growth factor(VEGF)on proliferation of human bone marrow derived mesenchymal stem cells(h-MSCs)and its chondrogenic differenciation and to provide a basis for the tissue engineering technology of articular cartilage.[Method]The hMSCs were cultured in vitro as usual and its passage was induced the by medium containing 800 ng/ml or 1600 ng/ml the VEGF MSCs the cultured in the medium containing 10 ng/ml the TGF ?-1 which the had multiple the biological efficacies the to enhance the proliferation the of MSCs the and to the inhibit the activities of the inflammatory factors,acted as a positive control.The induced MSCs were used to observe its proliferation and differenciation.The synthesis of chondrocyte extracellular matrix in different induce-factor was measured by immunohisto-chemical staining.[Result]MSCs cultured wit different induced factors proliferated well,MSCs induced by VEGF medium showed a well growth activity and chondrogenic differenciation,but MSCs cultured in TGF?1-containing medium induced more chondrocyte matrix than that in VEGF medium.[Conclusion]VEGF induces chondrogenic differentiation of MSCs in vitro,but MSCs cultured in TGF?1 medium induces more chondrocyte matrix.It is suggested that VEGF acts as donor of inducer message cartilage repair by MSCs.
5.Studies on Water Soluble Constituents from Common Burreed(Sparganium stoloniferum)
Weidong ZHANG ; Luping QIN ; Yonghong WANG
Chinese Traditional and Herbal Drugs 1994;0(11):-
Two new compounds Ⅰ and Ⅱ were isolated from Sparganium stoloniferum Buch. -Ham.. On the basis of chemical evidences and spectral analysis (UV,IR, 1H and 13CNMR,FAB-MS),the structure of l was elucidated as 5-ene-methyl-cholate-3-O-?-D-glucuronopyranosyl- (1→4 )-?-L-rhamnopyranoside,Ⅱ was 5-enemethyl-cholate- 3-O-?-D-glucopyranoside
6.Helicobacter pylori infection and gastric mucosa associated lymphoid tissue lymphoma
Jianqiu SHENG ; Shirong LI ; Luping WANG
Chinese Journal of Digestion 1998;0(06):-
Objective To study the relationship between gastric mucosa associated lymphoid tissue (MALT) lymphoma and Helicobacter pylori (H.pyori) infection retrospectively. Methods The paraffin embedded samples of the tumors in gastric intestinal tract and its corresponding normal tissues from 35 patients with non Hondgkin's lymphomas in gastric intestinal tract were sectioned. The slides, except routine histopathologic study, were submitted to immuno histochemical staining (CD 3,CD 5,CD 10 ,CD 20 ,C 23 ,CD 45 RO, kappa, lamda, cyclin, Ki67, TUNEL) and to HE staining for the detection of H. pylori infection. Results ①Twenty one cases were identified to be MALT lymphomas according to the results of immunohistochemical staining, of them 16 cases were gastric MALT lymphomas, 1 case of intestinal MALT lymphoma, and 4 cases of colonic MALT lymphomas. ② H. pylori infection in gastric MALT lymphoma was 100% except in 3 cases who had only tumor tissues, which could not be evaluated. ③ Two cases were stage Ⅰ 1 gastric MALT lymphomas, 5 were stage Ⅱ 1,and 9 were stage Ⅱ E. ④ Only 6 cases had recognized as gastric MALT lymphomas by endoscopy and biopsy. Three patients were misdiagnosed as gastric cancer, 1 as M?n?trier disease, 1 as atrophic gastritis, and 5 as chronic gastritis endoscopiclly. ⑤ One patient got a complete regression after 3 courses of anti H. pylori therapy and was in good health after 3 years of the treatment. Conclusions ① A close relation was present between H.pyloi infection and gastric MALT lymphoma. ② Early gastric MALT lymphoma may regress after eradication of H.pylori.
7.Determination of Sulfide in Source Water by Ion Chromatography-Pulsed Amperometric Detector
Guoling WANG ; Luping YANG ; Bo YING
Journal of Environment and Health 2007;0(10):-
Objective To develop a new method for the determination of inorganic sulfide in source water by ion chromatography combined with pulsed amperometric detector.Methods The source water samples were injected into ion chromatography system after being filtrated with 0.22 ?m nylon membrane.100 mmol/L of NaOH-250 mmol/L of the NaOAc-0.5% (V/V) ethylenediamine was used as the eluent,special polarizable anions separation column IonPac 3AS7 was selected and sulfide was separated from other anions by isocratic eluent following by three-waveform pulsed amperometric detection.Results The liner range of determination for sulfide was 5-1 000 ?g/L,the equation of linear regression was y=0.325 4x-1.305 3.The detection limit was 0.5 ?g/L,the recovery rates were in the range of 90.8%-96.7%,and the relative standard deviation was 1.32%.Conclusion The method is simple with good selectivity,high sensitivity and good reproducibility and is applicable to the determination of inorganic sulfide in source water.
8.A study on microsatellite instability status for colorectal serrated lesions
Zhiyong ZHOU ; Ying HAN ; Luping WANG
Chinese Journal of Internal Medicine 2009;48(5):402-405
Objective To verify the traditional serrated pathway by comparing microsatellite instability(MSI) status among traditional serrated adenoma, traditional adenoma, serrated colorectal cancer and non-serrated coloreetal cancer. Methods Seventy-five paraffin-embedded tissue samples, including 15 with serrated adeneearcinoma (Sca), 20 with non-serrated adenocareinoma (N-Sca), 20 with traditional serrated adenoma(TSA) and 20 with villous adenoma(AD) were collected from the pathology department of our hospital. Genomic DNA was extracted from these samples and then amplified with fluorescently-labeled primer specific for BAT25 and BAT26. The MSI status was detected with DNA automatic sequencer. Results Six of 18 samples with TSA harbored MSI-H and twelve MSI-L/MSS; 18 samples with conventional adenoma were exclusively of MSS; 3 of 13 samples of serrated carcinoma harbored MSI-H and ten MSI-L/MSS; 18 of 19 N-Sca samples harbored MSI-L/MSS and only one MSI-H. With Chi-square test, the MSI frequency in AD group and N-Sca group was significantly lower than that in TSA group and Sca group ( P < 0. 05 ) ; but with no statistical difference between the TSA group and Sca groups ( P > 0. 05 ). Conclusion MSI-H frequency in AD group and N-Sca group was obviously lower than that of TSA group and Sca group. It is concluded that there might be a new traditional serrated neoplasia pathway which is different from the conventional adenoma-carcinoma carcinogenesis pathway, but we still need prospective follow-up studies to verify its existence.
9.Application evaluation of immunophenotyping in monoclonal gammaglobulinemia
Ping WANG ; Luping ZHANG ; Lisong SHEN
International Journal of Laboratory Medicine 2015;(1):64-65,68
Objective To investigate the clinical value of immunophenotyping and quantitative analysis of serum immunoglobulin in the diagnosis and typing of monoclonal gammaglobulinemia.Methods 118 serum samples were collected from the patients with monoclonal gammaglobulinemia and performed the serum protein electrophoresis(SPE),serum immunofixation(IF)electrophoresis, immunoglobulins(Ig)quantitation and serum light chain κ,λdetection.The analysis was conducted aiming at the patients with im-munophenotyping positive and the Ig quantitation negative.Results 56 cases showed immunophenotyping positive and the immuno-globulin quantitation negative,among them,6 cases were free light chain type (κlight chain in 2 cases andλlight chain in 4 cases), 1 case was the non-secretion type;62 cases showed immunophenotyping positive and the Ig quantitation positive.Conclusion The IF technique has an important significance for the diagnosis and typing of monoclonal gammaglobulinemia,its diagnosis can be com-bined with the other laboratory tests of serum Ig and light chain quantitative detection.
10.The value about the combined application of transbronchiai needle aspiration and ring clamp biopsy, also brush biopsy through bronchofibroscope on the lung tumor
Jibao ZHANG ; Chengyong WANG ; Zexing WANG ; Luping MUO
Journal of International Oncology 2009;36(7):547-549
Objective To study the application value of cytological examination and biopsy for the transbronchial needle aspiration (TBNA) in the diagnosis of cancer. Methods 101 patients with lung disease by CT that need TBNA examination to make final diagnosis were selected. They were executed with routine ex-amination of TBNA. And then pathologic biopsy and cytological examination were applied on the collection sam-pies. Results 86 patients among the 96 subjects were finally diagnosed by TBNA. So the ratio of final diagno-sis was 94. 5%. And the positive ratios about transbronchial needle aspiration and ring clamp biopsy, also brush biopsy, were 71.4% 、75.8%、 61.5%. Only 5 patients were histodiagnosed by just transbrenchial needle aspiration. Conclusion TBNA plays an important role on the diagnosis of lung tumor with different types. And the combination of three methods can improve the diagnosis pro-gressively.