1.Diagnosis and therapy of adrenal ganglioneuromas
Xiaopeng JIA ; Yanan SUN ; Wenping LI
Chinese Journal of Urology 2012;33(4):247-249
Objective To investigate the clinical characteristics,manifestation and management of adrenal ganglioneuromas. Methods The data of 15 cases of ganglioneuromas diagnosed by pathology were reviewed retrospectively.Of the 15 cases,5 was male,aged 24 to 45 with an average of 29 years,and other 10 was female,aged 25 to 69 with an average of 31.Ten tumors were located in the right side,which was twice as many as that of the left side.There were 8 patients discovered by B ultrasonograpgy during health check-up,4 patients were detected because of paroxysmal abdominal pain. Three cases mainly presented with paroxysmally hypertension,and one of them had a high level of aldosterone ( 112 pmol/L). One of them had a high level of epinephrine (210 nmol) and nor-epinephrine (496 nmol). The B-ultrasound showed low-echo in all cases.Five cases showed calcification,the border was legible.The border lines of the tumors are not clear with vana cava in two cases. On unenhanced CT scanning,all cases showed low density areas.Eleven of the 15 cases underwent the enhanced CT,but 10 cases showed no enhanced areas on CT scanning.One case underwent MRI and showed low signals in T1 WI and inhomogeneous high signals in T2WI. Results Twelve cases underwent adrenal glands tumorectomy with abdominal NO.11 intercostals incision while other 3 underwent adrenal glands tumorectomy through posterior abdominal laparoscope.The tumors were completely removed in 14 cases,partly removed in 1 case.All patients recovered soon without complications such as bleeding or adrenal crisis.All cases were followed-up 13 to 74 months.The blood pressure of 3 cases with hypertension decreased to normal.The tumors recurred in 1 case,but no metastasis 55 months later. Conclusions It is difficult to differentiate adrenal medullary tumor from ganglioneuromas.The imaging data of iconography before surgery can give helpful information in the diagnosis of ganglioneuroma.Complete surgical excision is the only method for curing and the outcome is satisfactory.
2.Epidemiologic analysis of traumatic vertebral compression fractures
Dong SUN ; Feng ZHANG ; Li JIA
Orthopedic Journal of China 2006;0(20):-
0.05);But there was significant difference in the grade of disability between internal fixation and conservative therapy in single vertebral body(P
3.Role and its mechanism of immature dendritic cells with IL-10 gene modified in rats after keratoplasty
Jia, LI ; Xue, LI ; Jian-Hua, SUN ; Bing, LI
International Eye Science 2016;16(8):1439-1443
Abstract? AIM: Through the establishment of penetrating keratoplasty model of rats, to detect the role and its mechanism of immature dendritic cells with IL-10 gene modified.? METHODS: Allogeneic penetrating corneal transplantation in rat model was performed. SD rats were randomly divided into positive control group, GFP-DC group, 8-DC and IL-10-GFP-DC group.At 3d before keratoplasty, the rats were given tail intravenous injection with the same amount of PBS, bone marrow 8-DC ( DC had cultured for 8d ) from donor Wistar rats, GFP-DC after 48h transfection and IL-10-GFP-DC.Rats were observed under slit-lamp for corneal graft cases every day, and recorded rejection index and corneal graft survival time.At 14d after keratoplasty, pathologic and immunohistochemical examinations were performed.?RESULTS:Compared with GFP-DC group and 8-DC group, corneal graft survival time of IL-10-GFP-DC group was significantly longer ( P<0.01 ); at 14d after keratoplasty, corneal opacity, edema, neovascularization and rejection index of IL-10 -GFP-DC group were significantly lower (P<0.01).Pathological examination showed that in the three experimental groups corneal inflammation was lighter than the positive control group without significant central graft neovascularization. Immunohistochemistry showed: compared to the positive control group, GFP-DC group and 8-DC group, CD4+, CD8+, CD25+, IL-2+, NK+and NF-κB+positive cells in IL-10-GFP-DC group were lower(P<0.01).? CONCLUSION: After donor -derived immature dendritic cells pretreated, corneal graft survival was significantly prolonged, successfully induced corneal transplantation tolerance. CD4+, CD8+, CD25+, IL-2+, NK+and NF-κB+positive cells are involved in corneal allograft rejection regulation, IL-10-GFP-DC may reduce CD4+, CD8+, CD25+, IL-2+, NK+and NF-κB+positive cell infiltration, inhibit corneal transplant rejection.
4.Effects of RNAi targeting CDX2 gene expression on biological characters of human leukemia cells and its relevant mechanisms
Weimei SUN ; Jianchang LI ; Xiuhong JIA ; Youjie LI ; Shenhua TANG
Tianjin Medical Journal 2016;44(6):679-682,683
Objective To detect the effects of siRNA targeting CDX2 gene expression on of BCR-ABL, caspase and Bax expressions, and the mechanisms thereof. Methods According to the earlier experiments, siRNA specifically targeting CDX2 gene (CDX2-siRNA) and the negative control sequence (CDX2-siRNA-NC) were selected, and then were transfected into K562 cells by Roche X-tremeGENE HP DNA Transfection Reagent. The flow cytometry analysis was used to detect the effects of siRNA on cell apoptosis. The expressions of BCR-ABL, caspase-9, Bax mRNA and protein were tested by RT-PCR and Western blot assay. Results MTT and flow cytometry analysis showed that after the silence of CDX2 gene expression, the proliferation of K562 cells was prohibited and the apoptotic rate of K562 cells was distinctly increased compared with that of normal cell group, but the negative control group had no significant change. According to the RT-PCR and Western blot assay, in comparison with the normal cell group and the negative control group, the expression levels of BCR-ABL mRNA and protein were obviously decreased, and the difference was statistic significance. On the other hand, the expressions of caspase-9 and Bax mRNA and protein were significantly higher than those of other two groups (P<0.05). Conclusion CDX2-siRNA can promote apoptosis of K562 cells obviously, and the mechanism is related with the down-regulation of BCR-ABL and the up-regulation of caspase-9 and Bax.
5.Expression of connective tissue growth factor in fibrotic pancreas
Jia LI ; Shuang LIU ; Haichen SUN ; Yeqing CUI ; Fei LI
Chinese Journal of Pancreatology 2011;11(4):278-280
Objective To observe the expression of connective tissue growth factor (CTGF) in pancreas, and discuss its significance. Methods The pancreatic fibrosis model was induced by high fat diets. The rats were sacrificed 16 weeks later, and the pancreatic tissue was harvested for routine pathologic examinations. Pancreatic collagen fibrosis I was determined by HE and Sirius red staining;α-SMA and CTGF expression were detected by immunohistochemistry. Results After pancreatic fibrosis, pancreatic lobules and acinar atrophy was observed, lobules gap was widened, interstitial fibrous tissue was significantly proliferated, the synthesis of pancreatic collagen fibrosis I was significantly increased when compared with normal pancreas ( 1500.2 + 255.8 vs. 57.4 ± 23.2, P < 0. 01 ), the expression of α-SMA was significantly increased when compared with normal pancreas( 1500.2 + 255.8 vs. 57.4 + 23.2, P < 0. 01 ), and the expression of CTGF was significantly increased when compared with normal pancreas (2950.5 ± 431.9 vs. 382.2 + 190.8, P <0.01 ), and there were abundant activated PSCs. Conclusions CTGF participated in the regulation of pancreatic fibrosis development; the function of CTGF was closely related to PSCs activation.
7.Notch Signaling Pathway with the Polarization of Macrophages
Hongrong LI ; Ying SUN ; Chengcheng CHANG ; Zhenhua JIA
Journal of Medical Postgraduates 2015;(12):1316-1321
Macrophages play an important role in the pathogenesis of many diseases because of its plasticity and diversity.The Notch signaling pathway is a key regulator of the biological function of macrophage and has a complex network connection with many other signaling pathways.This paper reviews the conduction of Notch signaling pathway and its regulation on the polarization of macro-phages.
8.Clinical characteristics and treatment of severe hyperlipidemic pancreatitis
Jianguo JIA ; Jiabang SUN ; Dachuan LIU ; Fei LI
Chinese Journal of General Practitioners 2008;7(11):766-768
Objective To summarize clinical characteristics and experiences in treatment of severe hyperlipidemic pancreatitis (SHLP). Methods A retrospective analysis for 22 cases of SHLP and 91 cases of severe acute biliary pancreatitis (SABP) hospitalized during January 1, 2000 to December 31, 2006 was carried out to compare their clinical characteristics and treatment outcomes. Results Activities of serum and urine amylase in SHLP patients at admission were (715 ± 99) and (382 ± 56) U/L, respectively, significantly lower than those in SABP patients (1551 ± 107) and (773 ± 66) U/L, respectively (P < 0.01). About 55% (12/22) of SHLP patients had pulmonary infection, 36% (8/22) with circulatory failure, 41% (9/22) with respiratory failure and 23 % (5/22) with renal failure, all significantly higher than those in SABP patients SABP [32% (29/91), 14% (13/91), 7% (6/91) and 5% (5/91), respectively, P < 0.01]. Two died of SHLP and 11 of SABP, respectively. Conclusions In diagnosis of SHLP, it should be noticed that no remarkable elevation of activities in serum and urine amylase usually, so during the course of treatment for SHLP, it is important to prevent and treat multi-organ failure, respiratory failure and renal failure in an active way.
9.Development and application of one-step polymerase chain reaction(PCR) for rapid identification of Brucella species and some biovars
Zhenjun LI ; Xuexin HOU ; Weige SUN ; Xue JIA ; Guozhong TIAN
Chinese Journal of Microbiology and Immunology 2013;(2):133-137
Objective To develop a one-step PCR assay for rapid discrimination of six Brucella species and some intraspecific biovars.Methods Using 6 pairs of primers in one-step PCR to differentiate six classical Brucella species and some biovar in ordinary PCR instrument.The tested strains including 27 reference strains of six Brucella species and 239 Brucella strains were estimated by the PCR assay and biological identification methods.Results The six Brucella species could be precisely differentiated by the onestep PCR assay from the tested strains.Five biovars and vaccine strain of B.suis species could be determined,and biovars 1,3,4 and biovars 2,5,6,7,9 of B.abortus species could be identified at the level of their biovar,moreover,biovars 1,2 and 3,and vaccine strain Rev 1 of B.melitensis species were also discriminated at the biovar and strain level.The accurate rates of the biological identification method and the PCR assay were 98.33% and 100% respectively.Conclusion One-step PCR assay was a rapid,specific,and low cost method for identification of Brucella species and discriminating biovars in ordinary PCR instrument.
10.Cost-benefit analysis of netting cultivation to block the spread of Oncomela-nia snails in lake regions
Qian LI ; Daokuan SUN ; Quanfeng WANG ; Shouren CAI ; Congying JIA
Chinese Journal of Schistosomiasis Control 2014;(2):189-191
Objective To evaluate the cost-benefit of netting cultivation to block the spread of Oncomelania snails in lake re-gions. Methods The cost-benefit of netting cultivation was investigated by interviewing in the field,the cost of Oncomelania snail survey and control was investigated by retrospective review in Gaoyou Lake regions of Jinhu County from 2009 to 2011. The benefit of netting cultivation to block the spread of snails in lake regions was calculated by the benefit-cost ratio(BCR),and then the cost-benefit of them was calculated. Results The area of netting cultivation in Gaoyou Lake regions was 70.77 hm2,the aver-age cost of netting cultivation was 495 595 yuan every year,the average income was 962 000 yuan every year,and the average ben-efit of netting cultivation was 466 405 yuan. The average cost of Oncomelania snail survey and control from 2009 to 2011 was 85 047.87 yuan in Gaoyou Lake regions. The ratio of cost-benefit was 1.11∶1. The benefit was more than the cost. Conclusion There is a well benefit in lake regions during blocking the spread of snails by netting cultivation.