1.Detection of Nitric Oxide, Glutathione and Superoxide Dismutase in Ovarian Neoplasm
Xiaoning WANG ; Fang WEN ; Yang ZHENG
Journal of China Medical University 2001;30(2):119-121
Objective: Our aim was to study the relationship between nitric oxide and ovarian neoplasm. The concentrationg of nitrite /nitrate (NO-2/NO-3),glutathione(GSH), and the activity of superoxide dismutase(SOD) were detected in ovarian tissues.Methods:A modified copper-coated cadium reduction method was used to detect NO-2/NO-3. Dithio-bis-nitrobenzoic acid (DTNB) method was used to detect the GSH concentration. The activity of SOD was measured by an ultramicroanalytic and rapid assay. All the data were obtained from 21 patients with ovarian neoplasm(10 with benign ovarian neoplasms,and 11 with ovarian carcinomas). This paper is concerned with the analysis of matched case-control studies. The carcinoma tissues and normal ovarian tissues were obtained from the same patient. We performed Paired-Samples t test to determine whether the NO-2/NO-3,GSH and the activity of SOD in carcinomas and normal ovarian tissues have significantly difference. Results:No significant difference for the concentration of NO-2/NO-3,GSH and activity of SOD was shown in the normal ovarian tissues and neoplasm tissues of benign neoplasm . The concentrations of GSH and activity of SOD in normal ovarian tissues were significantly higher than ovarian carcinomas(P<0.05). No significant difference of concentration of NO-2/NO-3 was shown in normal ovary and ovarian carcinomas. In the normal tissues of all patients, NO-2/NO-3 was positively correlated with GSH and SOD. Glutathione was positively correlated with SOD. In the ovarian neoplasms, there was no significant correlation between NO-2/NO-3 and GSH, NO-2/NO-3 and SOD,GSH and SOD.Conclusion: Nitric oxide and the other matters which attend the course of its metastasis may closely related to ovary neoplasms.
2.Transvaginal ultrasound guided methotrexate injection for unruptured early tubal pregnancy
Wen YANG ; Yu FANG ; Ying WANG
Chinese Journal of Minimally Invasive Surgery 2005;0(07):-
2 000 mIU/ml,combined use of mifepristone(100 mg,twice daily,for 3 days) was employed. Results The treatment succeeded in 28 patients,with a success rate of 87.5%.Acute lower abdominal pain occurred in 4 patients and laparoscopic salpingectomies were carried out.The serum ?-hCG levels decreased by 23%~35% at 3 days after injection,by 38%~62% at 1 week,and to normal levels(≤6.1 mIU/ml) at 2~4 weeks.The mass completed subsided at 30~55 days after injection. Conclusions Transvaginal ultrasound guided methotrexate injection for the management of unruptured early tubal pregnancy is simple,safe, and effective.Further investigations should be carried out in respect of the recovery of tubal anatomy and physiological functions.
4.A preliminary study of serum-deprivation-induced release of S100A13 and flbroblast growth factor 1 from thyroid cancer TT cell
Jingjin YANG ; Fang WEN ; Renxian CAO ; Jing ZHONG ; Gebo WEN
Chinese Journal of Endocrinology and Metabolism 2011;27(11):941-944
Objective To investigate the effect of serum-deprivation on the changes of [ Ca2+ ] i and the protein release of S100A13 and fibroblast growth factor 1 ( FGF-1 ) in thyroid cancer TT cell,and to reveal the role of Ca2+in the protein release of S100Al3 and FGF-1.Methods The protein expressions of FGF-1 and S100A13 in TT cells under serum-deprivation were detected by Western blot.The released FGF-1 protein from TT cells in the supernatant fluid was detected by ELISA.Realtime dynamic examinations on the change of 1 h [ Ca2+ ] i in TT cells under serum-deprivation were detected by confocal laser scanning microscopy.Then,the effect of EGTA( 2.5 mmol/ L),BAPTA-AM (2.5 μmol/L)on distributions of the fluorescence of S100AI 3 and FGF-1 in TT cells under serumdeprivation for6 h were detected by indirect immunofluorescence.Results The expressions of FGF-1 and S100A13 in TT cells after serum-deprivation for4 h and 6 h were reduced( P<0.05 or P<0.01 ),but the released FGF-1 protein from TT cells in the supernatant fluid was elevated ( P<0.05 or P<0.01).Confocal laser scanning of Ca2+ imaging indicated that [ Ca2+ ] i of serum-deprivation TT cells maintained the relative stabilization within 23 win,but the rapid rise of [ Ca2+ ] i achieved peak value 1.6 μmol/L after 30 min,and remained stable for about 17 win,and thereafter 40 win slowly dropped to a low level From 40 win to 60 win the [ Ca2+ ] i was about 0.3-0.6 μ mol/L.The average [ Ca2+ ] i was higher than that in normal group,EGTA group,and BAPTA-AM group within 1 h.The protein expressions of S100A13 and FGF-1 did not drop obviously in EGTA group and BAPTA-AM group.Conlusion The release of S100A13 and FGF-1 from TT cell under serum-deprivation is possibly related with the change of [ Ca2+ ]i.Both Ca2+-chelating agents EGTA and BA PTA-AM are able to inhibit the rise of [ Ca2+ ] i and release of S100A 13 and FGF-1 from TT cells under serum-deprivation.
5.Comparison between albendazole and triclabendazole against Fasciola gigan-tica in human
Wen FANG ; Feng CHEN ; Hongkun LIU ; Qiong YANG ; Lin YANG
Chinese Journal of Schistosomiasis Control 2014;(1):106-108
Objective To compare the anthelmintic effect of albendazole with that of triclabendazole against Fasciola giganti-ca. Methods Two patients infected with Fasciola gigantica were investigated,and one was administered with albendazole orally (200 mg,twice per day for 5 days)and another was administered with triclabendazole[10 mg/(kg?d)for 2 days]. Their total fe-ces were collected daily during the period of whole therapy,and the eggs of the parasite were collected by using the nylon bag method,and incubated at 28℃. Results The parasite eggs were detected from the first patient’s dejecta on the 1st,2nd and 5th day after the end of the treatment,and no miracidiums hatched out as well as no eggs developed during the period of 25 days of the incubation. Meanwhile,her body temperature fluctuated between 37.4℃and 38.3℃,and she still complained bellyache. For the other invalid,the eggs were not detected on the 2nd and 5th day after the end of the treatment. However,the eggs before and dur-ing the treatment developed the miracidiums of Fasciola gigantica on the 13th day after the incubation,but the eggs collected from the 1st day after the termination of the therapy did not develop and no miracidiums hatched out. At the same time,the signs and symptoms of the patient vanished after the 4th day of the end of the therapy. Conclusions Albendazole has no obvious insecticid-al activity on adult Fasciola gigantica in the short term,but may affect the development of eggs. Triclabendazole has the anthelmin-tic effect on the adults as well as eggs of Fasciola gigantica. In addition,triclabendazole has the characteristics of well curative ef-fect,short course of treatment,and no obvious side effects.
7.Effect and risk factors for corneal endothelial cells after phacoemulsification in diabetic cataract patients
Mo-Han, LI ; Xiao-Lin, FU ; Wen-Fang, YANG
International Eye Science 2016;16(6):1048-1051
? AIM: To investigate the influence of phacoemulsification on corneal endothelial cells and its injury risk factors in diabetic cataract patients.?METHODS: From January 2013 to October 2015, 186 diabetic cataract patients ( 224 eyes ) as diabetes group and 190 patients with simple cataract ( 227 eyes ) as control group in our hospital were enrolled. All patients received phacoemulsification combined with intraocular lens implantation. Observation of corneal endothelial cell density, coefficient of variation and percentage of hexagonal cells preoperatively, 1d, 1wk, 1 and 3mo postoperatively were carried out, and multiple Logistic regression analysis for risk factors of corneal endothelial cell injury was taken.?RESULTS: There were no significant difference in the density of corneal endothelial cells, the coefficient of variation and the percentage of hexagonal cells between the two groups before surgery (P>0. 05). Each time point after operation corneal endothelial cell density and the percentage of hexagonal endothelial cells of diabetes group were significantly lower than the preoperative and those of control group ( P < 0. 05 ). Each time after operation endothelial cell coefficient of variation of diabetes group were significantly higher than the preoperative(P<0. 05). The endothelial cell coefficient of variation in diabetes group of the 1wk, 1 and 3mo after operation were significantly higher than those of the control group ( P<0. 05 ) . Corneal endothelial cell density and percentage of hexagonal cells of the control group at 1wk, 1 and 3mo after operation were significantly lower than the preoperative ( P<0. 05 ). The endothelial cell coefficient of variation of control group at 1wk, 1 and 3mo after operation were significantly higher than the preoperative(P<0. 05). Single factor analysis showed that age, shallow anterior chamber, long ultrasonic time, short eye axis, high energy ultrasonic, high cumulative released energy, a lot of perfusate and nuclear hardness ≥ grade Ⅲ associated with corneal endothelial cell injury ( P< 0. 05 ) . Multivariate Logistic regression analysis showed that age, long ultrasonic time, high ultrasonic energy, high cumulative released energy and nuclear hardness ≥ grade Ⅲ were the risk factors of corneal endothelial cell injury, the OR value and 95%CI were 1. 742 (1. 056-2. 682), 1. 958 (1. 227-3. 135), 2. 064(1. 274-3. 256), 2. 585(1. 493-3. 682), 2. 193 (1. 348-3. 316).?CONCLUSION: The injury of corneal endothelial cells after phacoemulsification in diabetic cataract patients is more serious than in patients with simple cataract. Age, long ultrasonic time, high ultrasonic energy, high cumulative released energy and nuclear hardness ≥grade Ⅲ are the risk factors of corneal endothelial cell injury.
8.Six to Ten Years Follow-Up Survey of Triancinolone Acetonide Therapy in Children with Nephrotic Syndrome
fang, YANG ; guo-ling, HE ; wen-jian, LIU
Journal of Applied Clinical Pediatrics 2006;0(17):-
Objective To observe the long term effects of triancinolone acetonide(T-A)as a substitution for prednisone,a maintenance therapy in treating children with nephrotic syndrome(NS).Methods Twenty-five children with idiopathic NS(10 children with simple type NS and 15 children with nephritic type NS).Prednisone treatment for 4-8 weeks would bring remission,and immunosupression was added if remission failed.Then oral prednisone was reduced to 2 mg/kg per alternate day for 2 weeks,followed by a small dose of T-A(0.5-1.0 mg/kg)intramuscular injection,once a year per month for the first year,and every other month for the second year,as for the 8 frequently relapse cases,it would be every 3 months for the third year,other 17 cases stopped T-A intramuscular injection in the third year.Two weeks after T-A treatment stopped using prednisone.The relapse and the side-effects was observed through the observation of 25 NS children's clinical manifestation,routine urine test,and biochemistry variation before and during the T-A treatment,along with a 6 to 10 years follow-up survey after T-A therapy stopped.Statistical analysis was performed by using SPSS 10.0 software.Results 1.Median dose of T-A was 0.97 mg/kg per time,total doses of T-A was 18.1 mg/kg(13.5-24.4 mg/kg).2.There were 16 relapse cases by prednisone treatment,while 7 relapse cases by T-A treatment for 2 years,there existed a significant comparison(P0.05).4.There were only 4 relapsed cases in the 6-10 years of follow-up observation,the difference was sharp compared with the 16 relapsed cases before T-A treatment(P
9.Value of serum GSTP1 gene quantitative methylation analysis for early diagnosis of hepatocellular carcinoma
Guiping RAN ; Guozhen YANG ; Wen FANG ; Yong YUAN ; Ruixia ZHANG
International Journal of Laboratory Medicine 2014;(5):540-542
Objective To establish a real-time fluorescence quantitative methylation assay to investigate the methylation status of GSH-sulphur-transferase P1(GSTP1) gene promoter region in hepatocellular carcinoma(HCC) and to investigate whether which can be used as the early diagnostic indicator of HCC .Methods Ninety-five serum samples were collected from 40 patients with HCC ,30 patients with liver cirrhosis and 25 individuals with healthy physical examination as controls .The methylation level of GSTP1 gene in these serum samples were quantitatively determined by using the real-time fluorescence quantitative methylated spe-cific PCR technique .The receiver-operation characteristic(ROC) curves were adopted to evaluate its diagnostic value for HCC .Re-sults The methylation quantitative level of GSTP1 gene in HCC serum was significantly higher than that in the healthy controls (P<0 .05) .The ROC curve analysis demonstrated that the methylation quantitative analysis of GSTP1 gene could efficiently distin-guish HCC and cirrhosis from healthy controls (AUC=0 .8641) .With the methylation rate of 2% as the critical value for diagno-sing HCC ,its diagnostic specificity was 87 .5% ,the sensitivity was 69 .6% ;the combination detection of serum GSTP1 gene methy-lation and serum AFP could increase the detection rate of HCC to 75% .Conclusion The real-time fluorescence quantitative methyl-ation assay can accurately quantify the methylation level of serum GSTP1 gene ,which has certain application value for the early di-agnosis of HCC .
10.Assessment of a Bathing Beach Environment and Human Health Effect
Wen-Fang LONG ; Jian-Jun YANG ; Chun HUANG ; Al ET ;
Journal of Environment and Health 2007;0(11):-
Objective To investigate the environmental quality and water quality of bathing beach in Haikou,Hainan province and the effects on human health.Methods The investigation of the bathing beach environment and the water quality were conducted according to Bathing Beach Monitoring Regulations(2002).The water samples were collected at PM 3:00-5.00 on May 28th to June 3th in 2007 from three sampling sites,No.1(easily be polluted),No.2(crowded),No.3(less pollution).The questionnaire survey was conducted on the present day and 7 days later,the items included the respiratory,digestive systems infection and eye,ear,nose and skin inflammation,the survey was completed in two days.Results The environment survey of bathing beach suggested that non-point source pollution caused by domestic wastewater emerged on raining days,the salinity was 31‰-33‰,clarity exceeded 30 centimeter and no heat pollution was found.The pH value,chroma,dissolved oxygen,nitrate nitrogen,chemical oxygen demand,inorganic nitrogen,fecal coli group was 8.01-8.10,11.42-15.00 NTU,5.60-6.71 mg/L,0.16- 0.17mg/L,2.70-3.40mg/L,0.19-0.21 mg/L and 35.0-36.0/L respectively.Four hundred and eight questionnaires were eligible, the response rate was over 90%.The results demonstrated that the swimmers were facing to the increased illness risk from the water quality,such as skin pruritus,gastrointestinal allergies,throat sore,eye and ear and nose infections.There was distinct higher proportion in the participants with water contact and complained one or more symptoms than those without water contact(P