1.Effect of tumor necrosis factor-α and asymmetric dimethylarginine on left ventricle of patients with primary hypertension
Clinical Medicine of China 2010;26(1):3-5
Objective To understand the level of tulnor necrosis factor-α(TNF-α)and asymmetric dimethylarginine (ADMA) in serum of healthy adults and primary hypertension patients with different left ventricle,and to explore the role of TNF-α and ADMA in the pathophysiological mechanism of heart damage due to hypertension.Methods Thirty health adults were recruited as control.Based on the left ventricular mass index(LVMI)and relative wall thickness(RWT),66 patients of hypertension were divided into 4 groups:normal left ventricle group with normal LVMI and RWT,concentric remolding group with normal LVMI and incremental RWT,typical concentric hypertrophy group with incremental LVMI and RWT,eccentric left ventricular group incremental LVMI and normal RWT.TNF-α was measured by radioimmunoassay and ADMA was measured through reversed phase high-performance liquid chromatography.Resuits TNF-α and ADMA increased with the severity of the left ventricle.Each left ventricle group was significantly higher than control group (P<0.01).The differences between left ventricle groups were statistically significant (P<0.01).Conclusions TNF-α and ADMA may participate in the development of left ventricle.
2.A cross-section survey on dyslipidemia of elderly population in medical examination
Lujun WANG ; Yongsheng CAI ; Xin LI
Chinese Journal of Primary Medicine and Pharmacy 2006;0(04):-
Objective To investigate the prevalence of dyslipidemia in elderly population.Methods In 2004,862 elderly population in medical examination were studied.Serum cholesterol,triglyceride,high-density lipoproteins(HDL) and low-density lipoproteins(LDL) were measured.Results Cholesterol,triglycerides,HDL cholesterol and LDL cholesterol levels in women were significantly higher than men(P
3.Thinking of Work on Sanitation Equipment Packaging
Wenrong XING ; Xin XUE ; Xin LI ; Yao CAI
Chinese Medical Equipment Journal 2003;0(12):-
To combine current situation and existing problem of sanitation equipment packaging in military area, perfect organization, special funds and package research of military special useful can be given. The high level of standardization, informationization and containerization of packaging has great significance that improves the ability to protection and pro-motes the development of sanitation equipment packaging on troops.
4.Preparation of HER2 radioligand 99Tcm-ABH2 and its in vivo imaging in breast cancer-xenografted mice
Xin LI ; Jiong CAI ; Zhaohui ZHU ; Fang LI
Chinese Journal of Nuclear Medicine and Molecular Imaging 2015;35(3):222-226
Objective To prepare 99Tcm-human epidermal growth factor receptor 2 (HER2) affibody (ABH2) and explore its feasibility as an imaging agent in HER2-positive breast cancer.Methods Sodium glucoheptonate and SnCl2 · 2H2O were used to label ABH2 with 99Tcm.The labeling yield and radiochemical purity of 99Tcm-ABH2 were determined.The stability of 99Tcm-ABH2 was tested in PBS and serum.The equilibrium disassociation constant (Kd) of 99Tcm-ABH2 was measured with MBA-MD-361 breast cancer cells.SPECT/CT imaging was carried out at 1.0 h and 4.5 h after injection of 37 MBq 99Tcm-ABH2 in nude mice (n=4) xenografted with MBA-MD-361 breast cancer.The T/NT (liver,brain,lung,heart,bone and muscle) ratios were deduced from SPECT/CT acquired data.For the blocking experiment,200 μg ABH2 was injected intravenously before 99Tcm-ABH2 injection.SPECT/CT imaging was performed in the same way.The T/NT ratios were compared between non-blocked and blocked groups by one-way analysis of variance.Results Fhe labeling yield of 99Tcm-ABH2 was above 99%.99Tcm-ABH2 was substantially stable in PBS and serum;the radiochemical purity was (95.0± 1.0)% after incubation with serum at 37 ℃ for 6.0 h.The Kd of 99Tcm-ABH2 was 1.7 nmol/L.The radioactive uptake in cancer was visualized at 1.0 h and 4.5 h after injection of 99Tcm-ABH2 in HER2 positive MDA-MB-361 breast cancer.99Tcm-ABH2 was cleared out mainly through urinary system.The ratios of tumor to liver,lung,brain,heart,muscle and bone were 1.81± 0.60,8.95±1.13,20.08±6.12,7.61±0.56,10.62±1.78,11.42±2.07,respectively at 4.5 h after 99Tcm-ABH2 injection.After ABH2 blocking,the corresponding T/NT ratios were 0.60±0.23,3.05± 1.38,5.24±2.17,2.42±1.02,8.16±2.66,2.76±0.48 (F=29.38,P<0.05) respectively.Conclusion 99Tcm-ABH2 could be synthesized with high purity,and this new agent could be used to image HER2-positive breast cancer specifically.
5.MicroPET imaging with 2-[18F] fluoropropionic acid in Lewis lung carcinoma-bearing mice
Yonghong DANG ; Jiong CAI ; Xin LI ; Ling WANG ; Fang LI
Chinese Journal of Nuclear Medicine and Molecular Imaging 2016;36(2):180-183
Objective To prepare 2-[18F]fiuoropropionic acid (18F-FPA) and evaluate its biodistribution and imaging capacity in Lewis lung carcinoma-bearing mice.Methods 18F-FPA was prepared by nucleophilic substitution reaction,and its hydrophilicity was analyzed.18F-FPA (7.4-11.1 MBq) was injected into Lewis lung carcinoma-bearing mice via tail vein.MicroPET imaging was performed at 20,80 min after the injection.The biodistribution of 18F-FPA in organs was analyzed.The blocking effects of sodium propionate and dichloroacetate to 18F-FPA were tested in vivo.Data were analyzed by two-sample t test using GraphPad Prism software.Results The synthesis of 18F-FPA took 40 min.18F-FPA had high radiochemical purity (>99%) and hydrophilicity.18F-FPA was mainly distributed in the carcinoma,the urinary bladder and the caecum.The radioactive uptakes in muscles,brown fat and bones were relatively low.Quantitative analysis showed that the uptake of 18F-FPA in Lewis lung carcinoma from 20 min to 80 min was slightly increased ((17.03±2.87) %ID/g vs (19.33±2.45) %ID/g) without significant difference (t=1.100,P>0.05).Neither sodium propionate nor dichloroacetate could block the uptake of 18F-FPA in Lewis lung carcinoma (t=1.544,0.894;both P>0.05).Conclusions 18F-FPA can be quickly synthesized and has good physicochemical properties.It can be used as a tracer to visualize Lewis lung carcinoma in mice,and its tumor uptaking can not be blocked by propionate and dichloacetate.18 F-FPA PET has the potential to detect lung cancer noninvasively in clinic.
6.Detection of causative allergens of cosmetic allergic contact dermatitis
Yonglian CAI ; Runqiu LIU ; Xin SHI ; Jing ZHANG ; Ping LI
Chinese Journal of Dermatology 2011;44(8):586-589
Objective To make a survey on common cosmetic allergens, and to provide epidemiological data and clinical evidence for cosmetic allergy. Methods Patch test was performed by using 49cosmetic allergens from a European cosmetic series and 5 Chinese standard screening allergens on 89patients with suspected cosmetic allergic contact dermatitis. Test results were determined according to the International Contact Dermatitis Research Group (ICDRG) recommendation. Results Of the 89 patients, 61(68.5%) showed positive reactions to one or more cosmetic allergens. The most common allergens were fragrances (33.7%), followed by preservatives (30.3%), para-phenylenediamine (25.8%) and amerchol L 101(10.1%). Conclusion Fragrances, preservatives, para-phenylenediamine and amerchol L 101 are dominant causative allergens in patients with cosmetic allergic contact dermatitis.
7.The risk analysis of acute renal insufficiency in perioperative of non-small cell lung cancer
Xin LI ; Yixin CAI ; Ni ZHANG ; Xiangning FU
Chinese Journal of Thoracic and Cardiovascular Surgery 2015;31(9):549-552
Objective To discover the risk factors of acute renal insufficiency(ARI) in perioperative of non-small cell lung cancer(NSCLC).Methods We took a retrospective study to analysis and summarize the clinical features of 33 ARI cases and 721 controls,all subjects were histopathologically confirmed NSCLC from January 2007 to October 2013.Logistic regression analysis was conducted to analyze the association between the risk factors and ARI.Results There were significant differences between the two groups in operation age,level of preoperative creatinine,preoperative rehydration and the use of plasma substitutes.After adjustment by confounding factors,operation age older than 60 years old and the use of plasma substitutes had higher risk of ARI [adjusted OR was 2.93 (1.30-6.62),95 % CI was 6.04 (1.41-25.87),respectively].Preoperative rehydration was protective factor of ARI(adjusted OR was 0.37,95% CI was 0.17-0.83).Conclusion Operation age (≥ 60 years old) and the use of blood substitutes are independent risk factors of ARI,while preoperative rehydration can reduce the incidence of ARI after surgery.
8.Mucoraceae infection lead to the pseudoaneurysms following renal transplantation: a report of 2 recipients with the same donor after cardiac death
Shuzhai MIAO ; Wenli CAI ; Qingshan QU ; Xin JIANG ; Ming LI
Chinese Journal of Organ Transplantation 2014;35(2):70-72
Objective To analyze the diagnosis and treatment of iliac pseudoaneurysms following renal transplantation.Method The data of two patients with pseudoaneurysm who underwent kidney transplantation were retrospective analysied.Result One case with pseudoaneurysm received transplant nephrectomy,and pathological examination diagnosed mucoraceae infection; the other patient received endovascular treatment and amphotericin B therapy,endly died of hemorrhagic shock.Conclusion The development of pseudoaneurysms at the kidney transplantation recipients with the same donor results in high rates of mucormycosis.They should take anti-fungus therapy and operation as early as possible.
9.Clinical analysis of non-Hodgkin lymphoma of palatine tonsil-Report of 70 cases
Li-Sha CHEN ; Jun-Xin WU ; Cai-Zhu PAN ;
Cancer Research and Clinic 2000;0(06):-
Objective To investigate the treatment method and prognostic factors of patients with non-Hodgkin lymphoma(NHL)of palatine tonsil.Methods 70 patients with NHL of palatine tonsil were re- viewed.According to Ann Arbor staging classification,12 patients had stageⅠ,39 stageⅡ,15 stageⅢand 4 stageⅣ.Working formulation was used in pathologic classification which was low grade 8 cases,intermedi- ate grade 28 cases and high grade 34 cases.30 cases were treated by chemotherapy alone,3 cases by radio- therapy alone,37 cases by chemotherapy and radiotherapy.Results The overall survival rate was 56.3%. They were 82.5% in 1 year,67.3% in 2 years and 58.5% in 5 years,respectively.The overall survival rates in high grade cases of pathologic classification were 20.0% in chemotherapy alone,0 in radiotherapy alone, 52.6% in chemotherapy and radiotherapy(P
10.Selective splenic pedicle occlusion in laparoscoic partial splenectomy
Yongbin LI ; Yunqiang CAI ; Xin WAN ; Bing PENG
Chinese Journal of General Surgery 2017;32(2):122-125
Objective To assess the surgical skills and clinical outcomes of selective splenic pedicle occlusion (SSPO) in laparoscoic partial splenectomy.Methods Between May 2011 and Nov 2016,40 patients undergoing laparoscopic partial splenectomy were devided into selective splenic pedicle occlusion group (14 cases) and conventional laparoscopic partial splenectomy group (26 cases).Results There were no significant differences in preoperative patient characteristics between the two groups.Significantly less intraoperative blood loss (82 ± 36) ml vs (178 ± 81) ml (t =-4.2,P =0.001) were observed in group of SSPD,There were no significant differences between the groups in operative time (111 ± 17) min vs (127 ±40) min(t =-1.4,P =0.19),transfusion rate (0/14,0/26) (P =1),conversion rate (0/14,0/26) (P =1),postoperative complications (1/14,2/26) (Fisher =0.063,P =0.80) and length of postoperative hospital stay (7.1 ± 2.3) d vs (6.0 ± 1.3) d (t =1.28,P =0.22).Conclusions SSPO is feasible and safe for patients receiving laparoscopic partial splenectomy.