1.An initial study on serum CA125 in diagnosis to lung cancer
China Oncology 2001;0(02):-
35u/ml as positive limit, the sensitivity of CA125 for diagnosis of lung cancer is 53.6%. There was no significant difference between stage Ⅰ,Ⅱ lung cancer and benign, healthy groups, but the level of serum CA125 of stageⅢ?Ⅳ was higher than control groups. Thirty eight of forty lung cancer patients with higher CA125 level dropped to normal after therapy. Conclusions:Serum CA125 has high diagnosis value in lung cancer. It can be a vital index in lung cancer staging and prognosis.
2.Comparison of body fluid count and classification results detected by Sysmex XE-5000 automatic blood cell analyzer and manual method
International Journal of Laboratory Medicine 2015;(22):3238-3239,3242
Objective To compare the body fluid count results detected by Sysmex XE-5000 automatic blood cell analyzer and manual method .Methods A total of 300 cases of body fluid specimens (including cerebrospinal fluid and fluid of serous cavity ) were analyzed .RBC ,WBC counting and classification were respectively detected by XE-5000 and manual method of improvement Neubauer counting plate .Results The fresh specimens without contain a large number of cell clusters ,which RBC counts(RBC-BF)(100-10 000)× 106/L ,and WBC counts(WBC-BF) (9-50)× 106/L ,showed there were a linear relationship between the in-strument method(r=0 .998 5 ,0 .986 3) .In the range ,there was no significant difference between XE-5000 and manual method(t=9 .96 ,P>0 .05) .Also in this range the results of instrument correlated with those of manual method(r= 0 .989 3 ,0 .971 7 , 0 .924 9) .For those specimens which contain a large number of cell clusters ,RBC-BF and WBC-BF were a badly linear relationship between the instrument method(r=0 .564 8 ,0 .456 1) .Conclusion Body fluid specimens which are fresh and do not contain a large number of cell clusters ,in the range of RBC-BF (100 -10 000) × 106/L ,WBC-BF (9 -50) × 106/L ,Sysmex XE-5000 automatic blood cell analyzer could ensure the results have good accuracy .
3.Protective role of tea polyphenols in oxidative stress damage of the rat articular cartilage tissue caused by brick-tea fluorosis
Wei, ZHANG ; Yan-hui, GAO ; Lin, LIN ; Dian-jun, SUN
Chinese Journal of Endemiology 2009;28(4):381-385
Objective To explore the protective mechanism of tea polyphenols (TPs) ion oxidative stress damage of the rat articular cartilage tissue caused by brick-tea fluorosis. Methods One hundred and twenty wistar male rats were randomly divided into 6 groups according to body mass: fluoride group with drinking water containing 100.00 mg/L F-, fluoride plus TPs group treated with 100.00 mg/L F- and 10.0 g/L TPs, fluoride plus aluminum group fed with 100.00 mg/L F- and 200.00 mg/L Al3+, fluoride plus aluminium and TPs group treated with 100.00 mg/L F-,200.O0 mg/L Al3+ and 10.0 g/L TPs;brick-tea group treated with drinking water containing 100.00 mg/L F-,215.00 mg/L Al3+ and 9.2 g/L TPs, which was steeped by the brick-tea;control group treated with tap water. The animals were bred for three months and then sacrificed. The level of SOD,T-AOC and MDA in blood serum were detected,also the level of NO and cytokine IL-1β and IL-6, the expression of iNOS mRNA and protein in articular cartilage were respectively analyzed by RT-PCR and immunohistochemistry. Results Blood serum SOD level in the fluoride plus aluminum and TPs group[(664.009 ± 29.589)kU/L] was higher compared with that in the fluoride group[(625.328 ± 27.199)kU/L], fluoride plus aluminum group[(652.282±13.926)kU/L], although no statistically significant differences was found(P > 0.05) ;blood serum T-AOC level of the fluoride plus TPs, fluoride plus aluminum and TPs group, brick tea group[(10.874 ± 0.721), (11.871 ± 0.941), (10.380 ± 2.747)kU/L] was higher compared with fluoride group, fluoride plus aluminum group [(8.849 ± 1.887), (8.210 ± 1.740)kU/L], the differences all being statistically significant(P < 0.05) ;blood serum MDA level in the fluoride plus aluminum and TPs group[(3.235 ± 0.446)μmol/L] had significances compared with fluoride group, fluoride plus aluminum group [(3.889 ± 0.387), (4.580 ± 0.474)μmol/L, all P < 0.05)];blood serum NO level in fluoride plus Tps group, fluoride plus aluminum and TPs group, brick-tea group[(23.278 ± 2.386), (20.643 ± 2.623), (24.367 ± 6.072) μmol/L] had tatistical differences compared with fluoride group, fluoride plus aluminum group[(32.962 ± 8.268), (34.909 ± 6.288)μmol/L, all P < 0.05];blood serum IL-1β level of fluoride group, fluoride plus aluminum, fluoride plus Tps, fluoride plus aluminum and TPs group and brick-tea group [(4.728 ± 0.297), (4.412 ± 0.229), (4.432 ± 0.285), (4.516 ± 0.351), (4.614 ±0.2270)n/L] did not have inter-group differences (F = 2.314,P > 0.05);the blood serum IL-6 level of fluoride plus aluminum and TPs group, brick-tea group[(7.231 ± 0.596), (7.325 ± 0.290)ng/L] had statistical differences compared with fluoride plus aluminum[(8.256 ± 0.635)ng/L, P < 0.05]. The iNOS mRNA correspondent expression content of fluoride plus Tps group, fluoride plus aluminum and TPs group, brick-tea group(0.482 ± 0.021,0.447±0.021,0.491 ± 0.022) had statistical differences compared with fluoride group, fluoride plus aluminum group (0.562 ± 0.025,0.591 ± 0.020, all P < 0.05). Cells with positive iNOS protein expression of control group were mainly distributed at the surface layer of joint, while the cells of experiment groups were distributed both at the surface layer and the intermediate layer. Conclusions Tea polyphenols could alleviate oxidative stress damage on the articular cartilage, exerting protection against brick-tea fluorosis on rats through cleaning up free radicals, elevating total anti-oxidation capability, diminishing the generation of lipid peroxide.
4.Anti-tumor activity of emodin on human pancreatic cancer cell line BXPC-3 in vivo
Hongfei TONG ; Haiduo LIN ; Wei ZHANG ; Hui CHEN ; Shengzhang LIN
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(08):-
Objective: To investigate the effect and mechanism of emodin (EMO) on human pancreatic cancer cell line BxPC-3 in vivo. Methods: After the pancreatic cancer model in nude mice was established, the mice were divided into four groups: control group (NS 0.2mL/d by i.p. injection), EMO group (EMO 40mg?kg-1?d-1 by i.p. injection), and Gemcitabine (GEM) group (GEM 80mg/kg, twice/week by i.p. injection) with 8 mice each group. After 2 weeks of administration, the mice were sacrificed, detected the body-weight change of nude nice before and after the experiment, and recorded the growth inhibition rate of tumor (TGI). Immunohistochemical (IHC) staining for ki-67 and terminal deoxynucleotidyl transferase-mediated nicked labeling assay (TUNEL) were undertaken to detect the cell proliferation and cell apoptosis in tumor tissue in xenograft nude mice. Results: The inter-group comparisons in body-weight of nude mice showed no significant difference in comparing group NS(27.0?1.64)g with group EMO(25.1?1.58)g and GEM(25.6? 1.47)g.The EMO group was 38.46%, the GEM group was 44.23%. The inter-group comparisons in immunohistochemical analysis of ki-67 showed significant difference in comparing group NS IOD(219.5?17.98) with group EMO IOD(146.6? 11.57)and GEM IOD(139.5?12.55), (P
5.Establishment of a model of rabbit auricular hematoma and its application
Wenlang WEI ; Hui LIN ; Xuanyu WEI ; Xingxing DI ; Yongcheng LIU
Chinese Journal of Medical Aesthetics and Cosmetology 2012;(5):376-378
Objective To establish a rabbit auricular hematoma model,to observe the process of production and absorption,and to study the location of hematoma and method of its removal Methods Ten health New Zealand rabbits were divided randomly into control group and experimental group.A weight was dropped onto particular locality of auricles 3-6 times until a big hematoma appeared.The pathological processes of hematoma were observed,and the hematoma was formed 1 hour and the hematoma was almost absorbed after 4 days.The drainage experiment was conducted to observe the effect of needle aspiration or incision and drainage on the hematoma.Results All experimen tal auricles formed hematoma.The histopathological study showed that hematoma located between skin and cartilage,did not involve the cartilage.After 4 days,new-formed capillaries and fibroblasts were found,and then hematoma mostly absorbed; fibrous hyperplasia was been found.By cutting the hematoma,the blood clot could be thoroughly removed.Conclusions The auricular hematoma model can be established easily by striking with a heavy weight.Hematoma locates in subcutaneous connective tissue.A large hematoma should be early removed for prevention of auricular deformity.
6.Subjective and Objective Assessment of Quality of Life for Coblation-Assisted Operation in Patients with Severe OSAHS
Zhaoxia LI ; Peng LIN ; Honghua LU ; Wei WANG ; Hui LUO
Tianjin Medical Journal 2013;(11):1082-1085
Objective To evaluate the subjective and objective improvement of quality of life in patients with low-temperature plasma-assisted modified uvulopalatopharyngoplasty (H-UPPP) combined with lymphoidectomy in radix lin-guae and coblation-channeling of the tongue(CCT) treating for severe obstructive sleep apnea hypopnea syndrome (OSAHS) , and compare the surgical efficacy with that of H-UPPP. Methods A total of 81patients with severe OSAHS were divided in-to treatment group (n=42) and control group (n=39). Treatment group underwent the low-temperature plasma-assisted H-UPPP combining lymphoidectomy in radix linguae and CCT,and control group underwent H-UPPP treatment. The apnea hy-popnea index (AHI), the lowest saturation of arterial oxygen (LSaO2) and Quebec sleep questionnaire (QSQ) and Epworth sleepiness scale (ESS) before operation and 6-month after operation were recorded and compared between two groups. Re-sults All of detection indicators were significantly improved after operation in treatment group (P<0.01). The total surgical efficacy was significantly higher in treatment group than that of control group (83.3%vs 12.8%,χ2=40.225,P<0.01). The to-tal improvement rate of five dimensions in QSQ such as daytime sleepiness symptoms (76.2%vs 25.6%), signs during the day (71.4%vs 10.2%) and night (54.8%vs 5.1%), emotion (54.8%vs 2.5%), ability of social intercourse (50.0%vs 2.5%) and the total score (57.1%vs 7.7%) after operation were significantly higher in treatment group than those of control group. The se-vere indexes of ESS decreased to 23.8% after operation in treatment group than those of control group (51.3%). Conclu-sion Low-temperature plasma-assisted H-UPPP combined with lymphoidectomy in radix linguae and CCT is effective in patients with severe OSAHS, which can also improve the quality of life postoperatively.
7.Expression and significance of SEL1L and p63 protein in esophageal squamous cell carcinoma and precarcinomacous lesion
lin, YUAN ; jia-wei, CHEN ; hong-hui, HU
Journal of Shanghai Jiaotong University(Medical Science) 2006;0(11):-
Objective To investigate the expression of SEL1L and p63 protein in esophageal squamous cell carcinoma and precarcinomacous lesion.Methods Immunohistochemical staining(EnVision method)was employed to detect the expression of SEL1L and p63 protein in 60 samples of esophageal squamous cell carcinoma,32 samples of high grade esophageal intraepithelial neoplasia,13 samples of low grade esophageal intraepithelial neoplasia and 33 samples of normal esophageal mucosa.Results The positive rate of SEL1L protein expression was 61.5%in low grade intraepithelia neoplasia,90.6%in high grade intraepithelial neoplasia and 96.7%in esophageal squamous cell carcinoma,significantly higher than that in normal esophageal mucosa(6.1%)(P0.05).Conclusion Both the expression of SEL1L and p63 protein increases steadily in the progression of esophageal squamous cell carcinoma,which indicates that the two genes may play a role and cooperate with each other in the carcinogenesis.
8.The research of dexamethasone and higher C-reactive protein on effects of platelets concentrates transfusion
Xinfa YU ; Yanhua LIN ; Hui YANG ; Wei DONG
Chinese Journal of Primary Medicine and Pharmacy 2006;0(06):-
Objective To study dexamethasone and higher C-reactive protein(CRP) on effects of platelets concentrates(PC) transfusion for bleeding patients with thrombocytopenia.Methods To investigate peripheral blood platelets count,clinical bleeding before(CRP test simultaneously) and 12~16 hours after PC transfusion for 45 non-fever,non-splenomegaly and non-DIC(disseminated intravascular coagulation,DIC) patients with leukemia,aplastic anemia,or solid tumor chemotherapy,which had bleeding and needed PC transfusion.All cases were divided into two groups:CRP normal and CRP higher one according to their CRP results.Each group were also classified as non-dexamethasone and dexamethasone division(10mg dexamethasone intravenous injection before transfusions) respectively,in order to analyze the relationships between effects of PC transfusion and serum levels of CRP or dexamethasone.Results The peripheral blood platelets counts (33.2?9.2)?109/L after PC transfusions in CRP normal group were more than that (25.4?10.4)?109/L,in CRP higher group,with significant differences(t=4.42,P
9.Clinical features and risk factors analysis of 30-day readmission after bariatric and metabolic surgery
Shibo LIN ; Ningli YANG ; Wei GUAN ; Hui LIANG
Chinese Journal of Digestive Surgery 2017;16(6):587-591
Objective To explore the incidence,clinical features,causes,treatment method and risk factors of 30-day readmission after bariatric and metabolic surgery.Methods The retrospective case-control study was conducted.The clinical data of 631 obese patients who underwent bariatric and metabolic surgery in the First Affiliated Hospital of Nanjing Medical University from May 2010 to May 2016 were collected.All the 631 patients underwent laparoscopic sleeve gastrectomy (LSG) or laparoscopic Roux-en-Y gastric bypass (LRYGB).Patients were followed up by outpatient examination and telephone interview for 1 month to detect readmission of patients up to June 2016.Observation indicators:(1) 30-day readmission situations after bariatric and metabolic surgery:cases with readmission,readmission time,clinical features,causes and treatment of readmission;(2) risk factors analysis affecting 30-day readmission after bariatric and metabolic surgery.Measurement data with skewed distribution were described as M (range).The univariate analysis and multivariate analysis were respectively done using the chi-square test and Logistic regression model.Results (1) Thirty-day readmission situations after bariatric and metabolic surgery:among 631 patients receiving postoperative 1-months follow-up,21 had 30-day readmission,with an incidence of 3.33% (21/631),including 13 males and 8 females;10 received LSG and 11 received LRYGB.The median readmission time of 21 patients was 12 days (range,4-30 days).Of 21 patients,nausea,vomiting and dehydration of the main manifestations were detected in 11 patients,gastrointestinal bleeding in 6 patients,high fever in 2 patients,bowel obstruction in 1 patient and abdominal pain in 1 patient.The causes of the readmission of 21 patients:8 had improper food intake including 5 with premature solid food intake,1 with premature semi-fluid food intake,1 with irritating food intake and 1 with swallowing whole tablets;3 had postoperative over-anxiety;1 had Petersen hiatal hernia;1 had anastomotic ulcer;1 had anastomotic edema;1 had abdominal abscess.Of 6 patients with uncertain causes,4 had gastrointestinal bleeding and didn't receive endoscopy;1 had postoperative unexplained abdominal pain and underwent laboratory and imaging examinations and gastroscopy,showing no trouble finding;1 had high fever,and no abnormality was detected by imaging examination.Of 21 patients,19 underwent conservative treatment (rehydration and acid suppression) and then discharged from hospital after improvement,without readmission;1 with abdominal abscess was cured after emergency debridement and drainage;1 with Petersen hiatal hernia was cured by emergency surgery.The median duration of hospital stay in 21 patients with readmission was 7 days (range,3-40 days).(2) Risk factors analysis affecting 30-day readmission after bariatric and metabolic surgery:the results of univariate analysis showed that gender,preoperative adephagia habit and duration of postoperative hospital stay were related factors affecting 30-day readmission after bariatric and metabolic surgery (x2 =5.330,6.498,4.574,P<0.05).The results of multivariate analysis showed that male and preoperative adephagia habit were independent risk factors affecting 30-day readmission after bariatric and metabolic surgery (OR=2.489,2.912,95% confidence interval:1.006-6.161,1.196-7.088,P<0.05).Conclusions Nausea,vomiting and dehydration are common manifestations of patients with 30-day readmission after bariatric and metabolic surgery,and it might be associated with improper food intake.Male and preoperative adephagia habit are independent risk factors affecting 30-day readmission after bariatric and metabolic surgery.
10.Prokaryotic expression and application of human herpes virus 8 small capsid protein encoded by open reading frame 65
Wei-Lin YU ; Hui LI ; Xiao-Feng WANG ;
Chinese Journal of Laboratory Medicine 2000;0(06):-
Objective To construct prokaryotic vector and express human herpes virus 8 (HHV8) small capsid protein open reading frame 65 (ORF65) in Escherichia coli.Methods DNA was extracted from BCB-1 cells (HHV8-positive but EBV-negative).HHV80RF65 coding sequence was amplified by PCR and inserted into the prokaryotic expression vector pThioHisA.Recombinant plasmid was transformed into E.coli BL21 to express fusion protein induced by IPTG.The expressed products were purified by affinity chromatography on Ni-NTA resin.The antigenieity and the specificity of the recombinant proteins was identified by Western blot with HHVS-positive serum samples.ELISA coating with the recombinant proteins was used to screen 568 serum samples,which were simultaneously detected by IFA kit(Biotrin) and ELISA kit(Qiagen).Results Gene sequencing showed that the target gene was identical with that of HHV8 standard species,the 31 500 fusion protein was found in SDS-PAGE.ELISA coating with the recombinant proteins had a good agreement with IFA kit(Biotrin) and ELISA kit(Qiagen).The detection for the clinical samples showed the ELISA kit was feasible,applicable and consistant.Conclusion The recombinant proteins showed good antigenicity,and it is valuable for further study on HHV8 specific antibody detection.