1.Effect of TGF-β/Smad signal pathway mediated by integrin linked kinase in the progress of renal fibrosis
Lin LIN ; Jing ZHENG ; Weiping ZHU
Chongqing Medicine 2015;(28):3911-3914
Objective To observe the effect of TGF‐β1 in the endothelial‐mesenchymal transition EndM T of glomeruli ,and to explore the effect of TGF‐β/Smad signaling pathway mediated by integrin linked kinase(ILK ) in the progress of renal fibrosis . Methods Human glomerular endothelial cells (HGEnC) incubated in vitro were divided into blank control group ,TGF‐β1 (12 .5 , 25 .0 ,50 .0 ng/mL) group .TGF‐β1 50 .0 ng/mL receptor type one antagonist (LY364749)5 .0 μmol/L group ,ILK (QLT‐0267)5 .0μmol/L antagonist group .The mRNA level of P‐Smad 2/3 and ILK was determined by RT‐PCR ,and the protein level of P‐Smad 2/3 ,ILK ,E‐cadherin ,CD31 ,α‐SMA and FSP‐1 was determined by Western blot after 48 h and 72 h after incubation in each group un‐der the above‐mentioned condition .Results (1)TGF‐β1 could significantly increased the mRNA level of P‐Smad2/3 and ILK (P<0 .01) ,and the protein level of P‐Smad2/3 ,ILK ,E‐cadherin ,CD31 ,α‐SMA as well as FSP‐1 (P < 0 .01) in the concentration‐de‐pendent manner ,but significantly decreased the protein level of E‐cadherin and CD31 ( P < 0 .01) in the concentration‐dependent manner ;(2)TGF‐β1 receptor type one antagonist and ILK antagonist significantly inhibited the increasing mRNA level of ILK (P<0 .01) ,and the protein level of ILK ,E‐cadherin ,CD31 ,α‐SMA as well as FSP‐1 (P< 0 .01) induced by TGF‐β1 in the concentration‐dependent manner ,and significantly inhibited the decreasing protein level of E‐cadherin and CD31 induced by TGF‐β1 in the concen‐tration‐dependent manner(P< 0 .01) ;(3)TGF‐β1 receptor type one antagonist significantly inhibited the increasing mRNA and pro‐tein level of P‐Smad2/3(P< 0 .01) ,but ILK antagonist had no effect to the increased mRNA and protein level of P‐Smad2/3 (P>0 .05) .Conclusion TGF‐β1 as the effector molecule in downstream can promote endothelial‐mesenchymal transition of HGEnC ,and TGF‐β/Smad signaling pathway mediated integrin linked kinase participate in this process ,which probably play important role in the progress of renal fibrosis .
2.MRCP for Diagnosis of Malignant Biliary Obstructive Disease
Renquan PEI ; Jing LIN ; Chuangying ZHU
Journal of Practical Radiology 1996;0(04):-
Objective To evaluated the diagnostic value of malignant biliary obstrutive disease magnetic resonance cholangiopancreatography(MRCP).Methods 21 cases with malignant biliary obstructive disease diagnosed by clinic and CT were examined by MRCP,the results of MRCP and operation-pathology were analysed.Results The accuracy of MRCP for evaluating the cause of obstructive were 90.5%(19/21),dilated biliary duct appeared "soft canes-like"and "sausage-like",obstructive ends of biliary duct exhibited "cut-off form","down cup mouth-form"and "mouse tail-form".Conclusion Malignant biliary obstruction can accurately diagnosed by MRCP,it may provide an efficient method for the patients who can not accept ERCP provide an efficient alternative to direct cholangiopancreatography.
3.The Effect of Fluvastation on the Proliferation of Blood Vessel Smooth Muscle Cell in Experimental Atherosclerosis Rabbits
Lin LU ; Xinglei ZHU ; Jing LUO
Journal of Chinese Physician 2001;0(04):-
Objective To study the effects of fluvastatin on the proliferation of blood vessel smooth muscle cell (SMC) and the expression of platelet derived growth factor-A(PDGF-A) in experimental atherosclerosis(As) rabbits. Methods The expression of proliferating cell nuclear antigen(PCNA) of SMC was detected by immunohistochemistry. The expression of PDGF-A protein and mRNA was determined using immunohistochemical method and RT-PCR, respectively. Results The pathological lesions of atherosclerosis in fluvastatin group was significantly milder than those in high fat diet group(P
4.Study of clinicopathologic features and p53 gene alterations in renal epithelioid angiomyolipoma.
Yan ZHU ; Juan-hong SHI ; Jing ZHAO ; Jing-jing XU ; Lin-hui WANG ; Yong-wei YU
Chinese Journal of Pathology 2012;41(8):558-559
Adenoma, Acidophil
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metabolism
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Adult
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Angiomyolipoma
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genetics
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metabolism
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pathology
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Carcinoma, Renal Cell
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metabolism
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Codon
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Diagnosis, Differential
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Exons
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Female
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Follow-Up Studies
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Gene Deletion
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Genes, p53
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Humans
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Kidney Neoplasms
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genetics
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metabolism
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pathology
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Male
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Melanoma-Specific Antigens
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metabolism
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Middle Aged
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Retrospective Studies
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Tumor Suppressor Protein p53
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genetics
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metabolism
5.Prenatal diagnosis and fetal outcomes of meconium peritonitis
Jing ZHU ; Zujing YANG ; Lei WANG ; Bei WANG ; Lin ZHANG
Chinese Journal of Perinatal Medicine 2016;19(6):432-435
Objective To discuss prenatal ultrasound features and fetal outcomes of meconium peritonitis.Methods This is a retrospective study of all cases of fetal meconium peritonitis (n=26) registered in the Department of Obstetrics,Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine from April 1,2004 to December 31,2014.Prenatal ultrasound features,surgical findings and fetal outcomes were discussed.Variance analysis,Chi-square test or Fisher's exact test were applied for statistics.Results Among the 26 cases,25(96.2%) were diagnosed prenatally,24 (92.3%) underwent neonatal surgery,and 24 (92.3%) survived.Prenatal ultrasound findings included bowel dilatation (88.5%,23/26),intra-abdominal calcification (42.3%,11/26),fetal ascites (30.8%,8/26),intra-abdominal pseudocysts (15.4%,4/26) and polyhydramnios(50.0%,13/26).Surgical findings confirmed the diagnosis of meconium peritonitis was due to jejunal atresia[16.7%(4/24)],ileal atresia[75%(18/24)],and atresia of jejunal and ileal junction [8.3%(2/24)],respectively.However,no statistical significance was shown in the incidence of bowel dilatation,intra-abdominal calcification,fetal ascites,pseudocysts and polyhydramnios among the three groups of different etiology (all P>0.05).Conclusions The prenatal ultrasound features of meconium peritonitis may vary a lot.But bowel dilatation combined with intra-abdominal calcification,fetal ascites or pseudocysts prompts the diagnosis of meconium peritonitis.Early surgical intervention in neonatal period could reduce the neonatal mortality remarkably,thus comprehensive and standardized perinatal management are necessary to improve fetal outcomes.
6.A meta-analysis of diagnostic value of gene detection for spontaneous bacterial peritonitis
Wei ZHU ; Jing LIN ; Wenfeng YE ; Jie LIU ; Juanjun HUANG
Chinese Journal of Infectious Diseases 2015;(10):621-626
Objective To systematically assess the diagnostic value of gene detection for spontaneous bacterial peritonitis (SBP) .Methods A literature search was performed in the database of PubMed ,Web of Science ,Cochrane Library and China National Knowledge Internet (CNKI) from databases establishing to March 2015 .Relevant studies on diagnostic value of gene detection for SBP were retrieved .Quality assessment of diagnostic accuracy studies (QUADAS ) was applied for the included studies .Meta-analysis was conducted using bivariate random effects model .Summary receiver operator characteristic curves (SROC) was conducted to calculate area under curve (AUC) and was compared using Z test .Results Five studies with 423 specimen involved were included in the meta-analysis .The pooled sensitivity ,specificity ,diagnostic odds ratio (DOR) ,positive likelihood ratio and negative likelihood ratio of gene detection for the diagnosis of SBP were 0 .56 (95% CI:0 .49 -0 .62) ,0 .88 (95% CI:0 .83 -0 .92 ) ,9 .94 (95% C I:1 .76-56 .27 ) ,4 .35 (95% C I:1 .05 -18 .10 ) and 0 .47 (95% C I:0 .25 -0 .88 ) , respectively .The pooled sensitivity was significantly higher than that of bacterial culture (0 .25[95% CI:0 .19-0 .31]) .The AUC of SROC of gene detection was 0 .810 9 ,which was significantly higher than that of bacterial culture (AUC=0 .659 8 ,Z=3 .14 ,P<0 .01) .Subgroup analysis was conducted in patients with polymorphonuclear neutrophils (PMN)≥250 × 106/L in ascites .All the diagnostic indices of gene detection were inferior to those of bacterial culture for SBP ,except for the sensitivity of gene detection for SBP (0 .64[95% CI:0 .53 -0 .74] vs 0 .39[95% CI:0 .29 -0 .51]) .The diagnostic value of quantitative polymerase chain reaction (qPCR) detection for SBP was inferior to that of bacterial culture in all the aspects except for the sensitivity (0 .54 [95% CI:0 .47 -0 .61 ] vs 0 .25 [95% CI:0 .19 -0 .31 ]) . Conclusions Gene detection shows higher sensitivity than bacterial culture .The diagnostic value of gene detection is influenced by diagnostic standards .qPCR also shows high sensitivity for SBP diagnosis ,while the diagnostic value was inferior to bacterial culture .More researches with high quality are required to validate the results of this study .
7.ECG characteristics detection based on wavelet transform modulus maxima
Wei LIN ; Xiaoming WU ; Weizong ZHU ; Jing ZHOU
Chinese Medical Equipment Journal 2003;0(10):-
In this paper, an algorithm with precise location and high detection rate is introduced. The modulus maxima of wavelet transform are applied to the singularity detection for ECG signal, and thus P wave, T wave and QRS waves can be well detected. Continuous wavelet transform with Mexican hat function is adopted to compute the modulus maxima under MATLAB6.5. The algorithm proves effective and reliable through the tests for the data form MIT-BIH database.
8.Long-term efficacy comparison between goniosynechialysis and combination of phacoemulsification with goniosynechialysis for the management of chronic angle closure glaucoma
Jing, ZHU ; Wei, ZHAO ; Jun, SHAO ; Xun, BAO ; Jing, LIN ; Dong-hong, FU ; Yong, YAO
Chinese Journal of Experimental Ophthalmology 2013;31(10):964-967
Background One of the features of the pathogenesis of primary angle-closure glaucoma(PACG) is anterior synechia of peripheral iris.Goniosynechialysis and combination of phacoemulsification and goniosynechialysis have been applied for the treatment of the disease recently,but the selection of operative types has great impact on clinical efficacy.Objective This study was to investigate the long-term efficacy of goniosynechialysis and combination of phacoemulsification and goniosynechialysis for the management of chronic PACG.Methods A non-randomized clinical controlled trial was designed.This clinical trial complied with Declaration of Helsinki and was approved by Medical Ethic Committee of Nanjing Medical University.Written informed consent was obtained from each patient.One hundred and ten eyes of 110 patients with chronic PACG were assigned to the goniosynechialysis group and combined operative group from March,2008 to February,2011 in Wuxi People's Hospital.180° goniosynechialysis was performed on 34 patients in the goniosynechialysis group,and phacoemulsifieation +intraocular lens (IOL) implantation + goniosynechialysis were carried out in 78 patients of the combination operative group.All the patients were followed-up for 2 years.Vision acuity,intraocular pressure (IOP),anterior chamber depth(ACD),unltrasound biomicroscopy and perimetry were recorded and compared between before and after operation.Results No significant difference was found in vision acuity between preoperation and postoperative 2 years in the goniosynechialysis group ([0.65 ± 0.15] vs.[0.45 ± 0.15]) (t =1.57,P>0.05),but in the combination operative group,the vision acuity was significantly different between the before and after operation ([0.25±0.15] vs.[0.85 ±0.05]) (t =9.12,P<0.001).The lOPs at 2 years after operation were (14.2±4.1) mmHgand(13.7±4.8) mmHg,respectively in the goniosynechialysis group and combination operative group and were significantly lower than(47.2 ±6.3) mmHg and(46.9±7.0) mmHg before operation(t =4.95,P<0.001 ;t=5.03,P<0.001).The ACD values in the goniosynechialysis group and combination operative group were(3.38±0.02)mm and (3.54±0.03) mm 2 years after operation,which were significantly increased in comparison with (1.33 ±0.24)mm and (1.56±0.37) mm before operation(t=7.65,P<0.001;t=6.76,P<0.001).Conclusions Both combination of phacomulsification with goniosynechialysis or 180° goniosynechialysis are effective for the treatment of PACG.Suitable operation should be alternated depending on the indicators of PACG patients.
9.Practice and exploration of the cultivation system of hospital talents by levels and types
Yan HUANG ; Jing ZHANG ; Pengzhan ZHU ; Lin XU ; Tongtong LIU ; Nan CUI ; Jing LI ; Yan ZHANG
Chinese Journal of Hospital Administration 2021;37(1):6-9
Talents constitute core resource in the development of healthcare sector. Based on the situation of the talent team in the Affiliated Hospital of Qingdao University, the authors systematically constructed the hierarchical and classified system for talent cultivation, centering on three key areas of talent cultivation, evaluation and assessment. The authors analyzed the achievements since the implementation in 2016, namely the innovation of talent evaluation, the construction of discipline echelon, and the communication and inter-departmental cooperation. At the same time, the authors further put forward targeted suggestions to promote the development of talent teams in terms of transforming the human resource management model, increasing policy support and funding, implementing refined management, and improving talent evaluation indicators by the levels and types.
10.Ethical Inspection about laboratory animals.
Nai-bin YANG ; Xiao-jun PAN ; Jing-jing CHENG ; Jia-qiang LIN ; Jia-yin ZHU
Chinese Journal of Applied Physiology 2015;31(6):504-507
Laboratory animals and animal experiments are foundations and important support conditions for life sciences, especially for medical research. The animal experiments have drawn extensive attention from the society because of the ethical issue. This paper takes Wenzhou Medical University as an example to give a brief introduction to the ethical review about laboratory animals in the university so as to further draw attention and concerns from the public about the ethical issue of laboratory animals. We successively introduce its scientific projects, nurturing environment and ethical review of laboratory animals.
Animal Experimentation
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ethics
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Animals
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Animals, Laboratory
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Universities