1.Problem and policy involved in pathology consultation
Zhenfeng LU ; Jun DU ; Xiaojun ZHOU ; Qunli SHI ; Honglin YIN
Journal of Medical Postgraduates 2003;0(12):-
In order to better play an important role of pathology consultations in the routine work of clinical pathology,and to solve the problems presented during consultation,we comprehensively analyze the reasons that cause pathology consulation,the pathological data management,patient-physician dispute,medical liability,as well as other aspects involved in consulation.Meanwhile,measures to resolve these problems are also proposed.
2.Expression of 5-LOXmRNA and VEGFmRNA in pancreatic cancer and its clinical significance
Lihong LU ; Bo ZHANG ; Qingdong ZENG ; Jun SHAO ; Jincen YIN
Chinese Journal of General Surgery 2000;0(11):-
Objective To investigate the expression of 5-LOX in pancreatic cancer tissue and the relationship between 5-LOX expression and expression of VEGF.Methods The expression of 5-LOXmRNA,(VEGFmRNA) in 35 pancreatic cancer fresh tissue samples were detected by semi-quantitive reverse(transcriptase)-polymerase chain reaction method.Results Expression of 5-LOXmRNA,VEGFmRNA in(pancreatic) cancer tissue were 74.3%,60% respectively,and the expression was correlated to the with(clinical) stages of the tumor;also expression of VEGFmRNA was correlated to the differentiation of the tumor.Expression of 5-LOXmRNA and VEGFmRNA were synergetic in pancreatic cancer(P
3.Blockage reasons of temporary catheter in femoral vein and internal jugular vein for hemodialysis patients
Zhenghui HUANG ; Lichuan YANG ; Jun YIN ; Gaolun LIU ; Tao LU
Clinical Medicine of China 2016;32(5):444-446
Objective To discuss the blockage reasons and countermeasures of temporary catheter in central venous including femoral vein and internal jugular vein for hemodialysis patients.Methods The reasons of blockage of temporary catheter in central venous among 60 hemodialysis patients from January 2014 to September 2015 in Hemodialysis Room of the First People's Hospital of Longquanyi district of Chengdu were reviewed.There were 32 cases in femoral vein and 28 cases in the right internal jugular vein.The incidence of blockage of the two temporary catheter in the first two weeks,the incidence of blockage caused by mechanical factors and blood clots or fibrous sheath and the incidence of blockage which needed to change the catheter in the two groups patients within the first two months were analyzed.Results The first rate of defective function in the first two weeks of femoral vein group was 53.13%(17/32),and 7.14%(2/28) of the right internal jugular vein group,there were significant difference between the two groups (x2=13.061,P<0.001).The incidence of catheter blockage due to mechanical factors of femoral vein group was 96.88% (31/32),and 53.57% (15/28) of the right internal jugular vein,there were significant difference between the two groups (x2 =15.654,P<0.001).The incidence of blockage caused by blood clots or fibrous sheath and the incidence of blockage which needed to change the catheter in the first two months were no significant differences between the two groups(P=0.061,0.096).Conclusion The cases of temporary catheter in femoral vein have blockage earlier,and they have a higher risk of catheter jam than the cases of temporary catheter in right internal jugular vein.
4.The relationship between TGF-?_1 mRNA and acute rejection of small intestinal allografts in rats
Feng ZHAO ; Lihong LU ; Jun SHAO ; Jinlin YIN
Chinese Journal of Current Advances in General Surgery 1999;0(02):-
Objective:To investigate the relationship between TGF-? 1mRNA and acute rejection of small intestinal allografts in rats.Methods:Rats were divided into two groups.Group Ⅰ:Wistar→SD Small intestinal transplantation,Group Ⅱ:Wistar→SD Small intestinal transplantation+CsA.The pathologic changes of allografts at 3 rdday,5 thday,7 thday after operation investigated and the transcription of IL-2,IFN- ?,and TGF-? 1mRNA was detected by semi-quantity RT-PCR.Results:Pathologic change:There was acute rejection at 3 rdday,and became severe at 7 thday in group Ⅰ,and there was only slight rejection at 7 thday in groupⅡ.TIFN-?、IL-2mRNA obviously increased after operation in groupⅠ.But they increased only a little in group Ⅱ.It had statistical significance between the two groups(P
5.Recombinant Design of Fc Fusion Protein of Human ScFv Against BoNTa
Hui WANG ; Jing SHI ; Lu-Lu MENG ; Pei-Zhen LI ; Yu BAI ; Jun YIN ;
Microbiology 1992;0(04):-
Human ScFv against botulinum neurotoxin serotype A(BoNTa) was modified by fusing human IgG1 Fc to C terminal of ScFv. ScFv-Fc fusion protein was expressed at high level over 30% of total host cell proteins in E.coli. Recombinant protein existed in inclusion body form. Renatured ScFv-Fc was purified to 90%~95% by Protein G Sepharose column. In vitro ScFv-Fc could bind specific to toxiod BoNTa in ELISA. Recombinant ScFv-Fc had similar relative affinity to parent ScFv and had improved stability.
6.Experimental and clinical studies of recombinant human growth hormone on protein metabolism during sepsis
Jun GU ; Jieshou LI ; Jun JIANG ; Tiefei LIU ; Weiqing LI ; Jianan REN ; Lu YIN
Journal of Medical Postgraduates 2001;14(1):28-32
Objectives:The present study was undertaken to investigate the effects of recombinant growth hormone(rhGH) on protein metabolism during intraabdominal infection. Methods : The study was made up of two parts: animal experiments and clinical studies. All animals were divided into three groups: normal control, sepsis control and rhGH therapy groups. All patients were divided into two groups: infection control and rhGH therapy groups. Expressions of hepatic albumin mRNA and muscle myosin heavy chain mRNA were detected. Results: In septic animals, rhGH accelerated nitrogen retention and recovery of body weight, improved concentrations of plasma albumin and muscle protein. Expressions of hepatic albumin mRNA and myosin heavy chain mRNA decreased significantly after infection. By using rhGH, expression of albumin mRNA and myosin heavy chain mRNA increased obviously. In clinical study, plasma concentrations of albumin, prealbumin and transferrin were higher than infectious controls after rhGH administration. Conclusions: rhGH improved nitrogen balance and protein synthesis of liver and muscle during sepsis .More studies were needed to determine weather rhGH was an effective metabolic intervention method during sepsis.
7.Proteomic study on effect of tangcao pill on microsome CYP450.
Li-Jun ZHANG ; Xiao-Fang JIA ; Lin YIN ; Xiao-Qian LIU ; Yin-Zhong SHEN ; Hong-Zhou LU ; Neng-Neng CHENG
China Journal of Chinese Materia Medica 2014;39(11):2136-2139
Tangcao pill is commonly applied in adjuvant and even alternative therapy for patients with AIDS. However, the herb contains complex ingredients, but with unknown effect against anti-HIV drug and unknown function. Because CYP450 emzyme is the main metabolic enzymes of the drug, it is of important significance to study the regulation of CYP450 enzymes before and after the combined administration of Tangcao pill and EFV. Proteomics, due to its high throughout and high sensitivity, has been widely applied in CYP450 enzyme study. In this paper, liver microsomes were separated through differential centrifugation. Their proteins were separated through SDS-PAGE. The three protein bands that CYP450 enzymes were located were cut and identified by liquid chromatography tandem mass spectrometry. Totally 16 CYP450 isoenzymes were identified. Furthermore, in order to make a quantitative analysis on the effect of tang herb on CYP450 emzyme, the multiple reaction monitoring (MRM) technology based on MS was adopted. The CYP2C11 was selected based on the results of the mass spectrum identification of proteins. The characteristic polypeptides were obtained through searching Expasy blast database. The m/z of the fragment ions was less than 800. In the paper, the m/z of ion pairs of CYP2C11 were 711.5/232.1, 711.5/319.2, 711.5/466.2 and 711.5/595.3, and the m/z of ESAT-6 (internal standard, IS) were 735.5/215.3, 735.5/389.3, 735.5/460.3 and 735.5/524.3. The relative peak (analyte/IS) area was adopted for the relative quantitative analysis. Compared with the EFV single administration group, the EFV and Tangcao pill combined administration group showed a 1.6-fold increase in CYP2C11. The results of the paper indicated that Tangcao pill may affect drug metabolism by regulating metabolic enzymes such as CYP2C11, but the specific mechanism still unknown.
Animals
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Cytochrome P-450 Enzyme System
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chemistry
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genetics
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metabolism
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Drugs, Chinese Herbal
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administration & dosage
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Electrophoresis, Polyacrylamide Gel
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Male
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Microsomes, Liver
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chemistry
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drug effects
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enzymology
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Proteomics
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Rats
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Rats, Sprague-Dawley
8.Effect of Liver Disease Special-Purpose Enteral Nutrition Preparation on Protein Metabolism and Liver Function in Children with Liver Injury
jun-hong, YANG ; xi, TIAN ; ying-xin, CHEN ; zong-lu, XU ; wen-zhuo, ZHAO ; yin, LIN
Journal of Applied Clinical Pediatrics 2006;0(19):-
Objective To observe the effect of liver disease special-purpose enteral nutrition preparation on protein metabolism and liver function in children with liver injury.Methods Sixty cases of severe ill with liver injury in hospital,with mean age of (7.8?6.3) years old.All patients were randomly divided into experimental group (n=30) and control group(n=30).The experimental group was treated by adding the liver disease special-purpose enteral nutrition preparation homogenized diet and control group was treated by adding entire protein entire nutrition type enteral nutrition preparation.All patients in both 2 groups were nasally fed with intestinal nutrition,which contained 418-628 kJ/(kg?d).One day before nutritional support and 14 days after nutritional support,the liver function,total serum protein,albumin,hemoglobin were recorded.SPSS 11.5 software was used to analyze the data.Results The baseline indicators were similar before nutritional supports.Fourteen days after nutritional support,alanine aminotransferase(ALT) and aspartate aminotransferase(AST) were all significantly lower in experimental group than in control group(Pa
9.A new form of pathology network management system
Zhenfeng LU ; Jun DU ; Chun XIA ; Honglin YIN ; Bo WU ; Qunli SHI ; Xiaojun ZHOU
Journal of Medical Postgraduates 2017;30(4):418-420
Objective In order to play the role of pathological network management system better in pathological examination, this study explore the present status of new pathology network management system, give an objective evaluation for the operation condition, reveal the effectiveness and the existing problems of this system, and provide reference for its development and improvement.Methods The software of pathological network management system was applied to the pathological specimen reception, patient information and examination status query, pathological diagnosis and technology process, as well as the paraffin block archive, statistical analysis, data recording, and so on.At last, we recorded all the information and made a classification and arrangement.Results Pathological network management system was running normally through the whole process of pathologic examination, including specimen receiving, all examinations, print of pathological applications and spontaneous print of pathological reports in ward, which really achieve one-stop services.But the system has unstable phenomenon occasionally.Conclusion Pathological network management system links each examination process closely, which can improve the work efficiency, and provide scientific basis for pathology quality control.
10.Regulation of osteopontin expression by its antisense RNA in renal epithelial cells
Yongxiong CHEN ; Jinhua LI ; Xueqing YU ; Linghong HUANG ; Weiying CHEN ; Jun LU ; Chonglun FAN ; Peida YIN
Chinese Journal of Pathophysiology 2000;0(11):-
AIM: To investigate the effect of antisense RNA on osteopontin (OPN) expression in renal tubular epithelial cells. METHODS: Cell clone expressing stably OPN antisense RNA was formed by transfering retroviral vector expressing OPN antisense RNA into renal tubular epithelial cells, NRK52E cells, using liposome, with cell clones transfected by empty vector and vector expressing OPN sense RNA as controls. Ribonuclease protection assay(RPA), Western Blot, ELISA and assay of OPN activity were performed to detect expression of OPN mRNA and protein in above clones cultured with or without epidermal growth factor(EGF). RESULTS: The antisense RNA was only expressed by antisense clone. Antisense clone, sense clone and empty clone all expressed OPN mRNA. EGF enhanced expression of OPN mRNA, but not OPN antisense RNA or OPN sense RNA in above clones. OPN protein was not expressed in antisense clone cultured with or without EGF and empty clone cultured without EGF, but was expressed in sense clone cultured with or without EGF and empty clone cultured with EGF. CONCLUSION: Antisense RNA can inhibit OPN protein expression by means of preventing OPN mRNA translation, but not inhibit OPN mRNA transcription in renal tubular epithelial cells.