1.Application of serum specific IgE examination In etiological diagnosis of allergic skin disease
Chinese Journal of Primary Medicine and Pharmacy 2013;20(18):2760-2762
Objective To summarize and analyze the examination result of serum specific IgE in patient with allergic skin disease,and seek the cause of disease for the allergic skin disease patient and provide the clinical treatment basis.Methods The serum specific IgE of ingestion and inhalation were detected by enzyme-linked immunoassay in 529 patient with allergic skin disease.Results In 529 cases,the serum specific IgE of inhalation and ingestion were positive in 336 cases,and simple positive of inhalation were in 92 cases,and simple positive of ingestion were in 51 cases.In the inhalation group,D1,1D2 (dust mites,mites) was highest,followed by T3,T8,T11,T18,T70 (birch,elm,eucalyptus,and indus,and the mulberry tree) and H1 (house dust).In the ingestion group,F13,F17 (peanut,hazelnut) was highest,followed by F3,F40,F37 (COD,tuna,scallop),F47,F48,F263 (garlic,onion,green pepper).In 14 items,more than one item were positive in 96.2%.Concluslon Detecting allergic skin disease patients serum allergen specific IgE can guide patient awareness of their allergen and clinical treatment,which has effect on allergic skin disease prevention and treatment.
2.ORIENTATIONAL DEVELOPMENT AND DIFFERENTIATION OF MOUSE PRIMORDIAL GERM CELLS INTO HEPATOCYTES IN VITRO
Acta Anatomica Sinica 2002;0(06):-
Objective To investigate the better factor for inducing the primordial germ cells to differentiate into hepatocytes in vitro. Methods The primordial germ cells(PGCs) from the gonadal ridges of the mouse embryos at 11 days postcoitum(dpc) from Kunming pregnancy mice were cultured and proliferated in vitro.An aliquot PGCs suspension was cultured in 6-well dishes for 24?h.Then bFGF, EGF,?-NGF,RA and hepatocyte abstract were added into the dishes respectively,Anather aliquot PGCs were co-cultured with mouse embryonic hepatocytes for directional differentiation.The morphological changes and indiocyanine green(ICG) intake of the PGCs were observed;albumin(ALB) and ?-1-antitrypsin(AAT) were assayed by immunocytochemistry. Results After the addition of ?-NGF,hepatocyte abstract and CM-EH the ICG was intaken by the differentiated cells which like star and ovum,the ALB and AAT immune positive expression were detected in those differentiated cells.The ratio of positive cells was above 60% in 2 weeks.But bFGF,EGF and RA had no same as the effects.However RA could improve the ratio of differentiated cells induced by ?-NGF and hepatocyte abstract.Conclusion ?-NGF and some factors from hepatocytes and embryonic hepatocytes could effectively induce PGCs to differentiate into hepatocytes.
3.Keap1-Nrf2-ARE signaling pathway in the chemoprevention of cancer
Chinese Journal of Clinical Pharmacology and Therapeutics 2002;0(06):-
Chemoprevention of cancers is still very important since we have not got effective treatments for them.Many natural products(e.g.extracts from plants) or chemical synthetic substances(e.g.additives in foods) were used as chemoprevention regents.Some of them fight the carcinogens or other toxins through induction of the phase 2 antioxidant enzymes.Recently,it is wildly believed that the mechanism of this induction is the activation of Keap1-Nrf2-ARE signaling pathway.Thus understanding of this signaling pathway will widen the field of the cancer research and chemoprevention.
4.Comparison research in effect of gravity and pump irrigation system on lower limbs swelling after knee arthroscopy surgery
Chinese Journal of Practical Nursing 2011;27(11):18-20
Objective To analyze the cause of lower limbs swelling after knee arthroscopy operation, and compare the effect of gravity and pump irrigation system on lower limbs swelling after operation. Methods 60 patients after knee arthroscopic surgery were divided into the pump irrigation group and the gravity group with 30 patients in each group. We measured the perimeter of the lower limb pre and post operation and compared the operation time of each group. Results There were no significant differences in the perimeter of the lower limb and operation time between the gravity group and the pump irrigation group. Conclusions During knee arthroscopic surgery which cost less than 1 hour, there was no inlluence on lower limbs swelling whether using gravity or pump irrigation system.
5.Expression of multidrug-resistant genes in hepatocellular carcinoma and its significance
Chinese Journal of Hepatobiliary Surgery 2001;7(1):18-21
Objective To study the expression of 5 multidrug-resistant genes in hepatocellular carcinoma (HCC) and establish the criteria for genetic diagnosis of multidrug resistance (MDR). Methods The expression of mRNA and proteins of the multidrug-resistant genes were detected with reverse transcriptase polymerase chain reaction (RT-PCR) and flow cytometry (FC) respectively. IC50 of the original HCC cells was determined with MTT method. Results MDR in HCC was associated with the genes of mdr1, MRP, LRP, Topo II α and GSTTP1. mdr1 mRNA ≥0.5, MRP mRNA ≥0.6, LRP mRNA ≥0.8, GSTP1 ≥0.7 and Topo II α mRNA ≤0.4 could be used as the criteria for genetic diagnosis of MDR in HCC. Conclusion The complex MDR is the main form of drug resistance of HCC. Using RT-PCR to detect the mRNA expression of 5 multidrug-resistant genes is necessary and feasible for predicting sensitivity of chemotherapy for HCC.
6.Research status on the effect of surface treatment of titanium & titanium alloy on bonding strength
International Journal of Biomedical Engineering 2009;32(4):244-246
Titanium & titanium alloy are popular in dentistry as dental material because of their good mechanical properties and extremely good biocompatibility. The bonding strength between the titanium and the resin agent is the decisive factor in evaluating the success of resin-bonded restoration. Appropriate surface treatment on the titanium is an effective way to reinforce the bending strength. The purpose of this review is to summarise the relevant studies and introduce some latest findings.
7.Reliability and Validity of Chinese Version of Rivermead Behavioural Memory Test-Third Edition among Chi-nese Population
Chinese Journal of Rehabilitation Theory and Practice 2016;22(5):511-513
Objective To analyze the reliability and validity of the Chinese version of the Rivermead Behavioural Memory Test-Third Edition (RBMT-III). Methods The items of RBMT-III were translated in Chinese and adjusted. A total of 131 healthy subjects were tested with Chinese version of RBMT-III, 30 of them were tested again with other materials two weeks later. Results The Cronbach'sαcoefficient was 0.799. The correlation coefficient of parallel-forms in subtest scale and meory index were all more than 0.65. There were six main fac-tors extracted, which explained 64.47%of the accumulated variance, those were novel task learning, spatial memory, verbal memory, visual memory, prospective memory and orientation/date. Conclusion RBMT-III is a reliable and validated instrument for assessment of memory.
8.Inhalation chemotherapy and immunotherapy for respiratory neoplasm
Chinese Journal of Clinical Pharmacology and Therapeutics 1999;0(04):-
Inhalation chemotherapy and immunotherapy is a developed technique for respiratory neoplasm recently. It is easy manipulated with high local response and little side effects. The drugs include 5 FU,DDP, taxol, camptothecin,interleukin 2 and GM CSF, etc. Inhalation chemotherapy and immunotherapy have been successfully applied for the therapy of primary lung cancer as well as the lung metastases other tumor.
9.The Experimental Study of Liquid Nitrogen Refrigeration Induced Osteonecrosis of the Femeral Head in Rat
Journal of Medical Research 2006;0(11):-
Objective To establish animal models of avascular necrosis of the femoral head. Methods Rat models of avascular necrosis of the femoral heads with liquid nitrogen freezing left femoral head were made. After operations, we accessed behaviors and regular observed X - ray graphy. we observed the femoral head after the rats were killed one monthe later. Results The rats in model group presented "new month syndrom" two weeks after operation,and became more and more worse. Conclusion The rat models of avascular necrosis of the femoral heads made by liquid nitrogen is economic and of low mortality. We can use it in making large - scale mordels, particularly in drug treatment' study.
10.Clinical value of heart-type fatty acid binding protein testing in the diagnosis of early myocardial ischemia injury
Clinical Medicine of China 2017;33(8):698-701
Objective To explore the clinical value of heart-type fatty acid binding protein testing (H-FABP) in the diagnosis of early myocardial ischemia injury.Methods One hundred and eighty cases diagnosed with myocardial ischemia from January 2016 to December 2016 were selected as the experimental group,then according to the disease time,the subjects were divided into the earlier group(≤3 h),middle group(3~6 h)and later group(≥6 h),each group 60 cases.180 cases with healthy physical examination results were enrolled in the control group.The concentration of serum H-FABP and IMA were detected in order to analyze the clinical value comprehensively.Results Compared with the control group,the concentration of serum H-FABP ((11.54±4.31) μg/L) and IMA ((92.72±5.31)U/ml) in the experimental group increased greatly,the differences were statistically significant(t=2.305,3.001,P<0.05).Among the subgroups in the experimental group,the concentration of IMA was the highest in the early stage and decreased in the middle and later stages,and there were significant difference between the earlier group and later group(t=2.326,P<0.05).The concentration of serum H-FABP and IMA in the experimental group and control group were positively correlated (r=0.9237,P<0.05).Positive detection rate analysis showed that the positive rates of H-FABP and IMA among the subgroups were above 80.00%,and the positive rate of combined detection was obviously improved (P<0.05).The clinical diagnosis was used as the gold standard,the Kappa of the results of H-FABP detection and clinical diagnosis was 0.85 (P<0.05).Conclusion H-FABP has a positive clinical significance in the diagnosis of early myocardial ischemia,as IMA has high positive detection rate,and has high consistency with clinical diagnosis results,it can effectively reduce the misdiagnosis rate and combined detection can reduce the rate of missed diagnosis.