1.Comparison between FISH and fluorescent quantitative PCR in detecting PML-RARα fusion gene of APL patients
Wei LI ; Yanli LI ; Xuefei ZHAO ; Lin QIU ; Jun MA
Journal of Leukemia & Lymphoma 2010;19(3):143-145
Objective To detect the PML-RARα fusion gene expression of APL patients with FISH and fluorescent quantitative PCR and discuss the sensitivity and specificity of two techniques. Methods The detection of the PML-RARα fusion gene expression of 75 APL patients with FISH and fluorescent quantitative PCR were carried out simultaneously. Results Eighty eight patients of primary and relapse or remission phases were examinated and total conformity rate was 96.59 %. Fourteen primary patients were detected and conformity rate was 100 %. Seventy four relapse or remission patients were detected and conformity rate was 95.95 %. Stem cell essays were detected for six times and conformity rate was 100 %. Conclusion The sensitivity of FISH and fluorescent quantitative PCR is identical for primary APL patients and FISH is more sensitive. But the sensitivity of FISH is weaker than that of fluorescent quantitative PCR for detection of residue disease.
2.Operative treatment for the elderly patients with pituitary adenomas
Shiqi LI ; Yongfei WANG ; Yao ZHAO ; Xuefei SHOU
Chinese Journal of Geriatrics 2003;0(09):-
Objective To evaluate the overall effectiveness of microsurgery for elderly pituitary adenomas,and to select the optimal surgical approaches for this type of tumor. Methods Microsurgical operation was performed on 190 patients with elderly pituitary ademomas,and these patients were retrospectively analysed. The 190 cases were divided into transsphenoidal group and transcranial group with a comparison analysis of respective removal percentage,postoperative complication and follow-up. Results In the transsphenoidal group with 158 cases,total removal were performed in 112 cases (71.0%),subtotal removal in 30 cases,partial removal in 16 cases. In the transcranial group with 32 cases,total removal were performed in 8 cases (25.0%),subtotal removal in 16 cases,partial removal in 8 cases. Conclusions Transsphenoidal approach was characterized by shorter hospitalization period,less therapeutic charges and better postoperative quality of life and it should be of choice for the treatment of the elderly pituitary adenomas.
3.Relationship between mast cells and renal interstitial fibrosis in interstitial nephritis
Zhao TAN ; Xuefei TIAN ; Hongrui DONG ; Yipu CHEN
Chinese Journal of Nephrology 1997;0(05):-
Objective To explore the potential relationship between tryplase-positive mast cells (MCs) infiltration and renal interstitial fibrosis in acute interstitial nephritis (AIN) and chronic interstitial nephritis (CIN). Methods Renal biopsy specimens from patients with AIN (n=11) and CIN (n=16) were studied and 11 patients in minimal change diseases (MM)were as controls. Histochemistry and immunohistochemistry staining assay were applied to delect the expression of tryptase, proteinase-activated receptor-2 (PAR-2), TGF-?1 and collagen type I (Col I )in the renal tissues. Immunofluo-rescence double-staining assay was used to assess the relationship among MCs, PAR-2-positive cells, and TGF-?1-positive cells in the renal interstitium respectively. Results MCs in AIN and CIN were significantly increased compared with those in controls and were mainly scattered in the fibrotic areas of renal interstitium. The relative immunostaining areas for PAR-2, TGF-?1 in the renal tubular epithelial cells (RTECs) and Col I were significantly larger in AIN and CIN than those in controls respectively (P
4.Kinetics of municipal sewage degradation in EGSB and UASB reactors at 10℃
Xuanjun ZHANG ; Yalei ZHANG ; Xuefei ZHOU ; Hongbo LIU ; Jianfu ZHAO
Journal of Pharmaceutical Analysis 2008;20(1):66-70
Kinetics of municipal sewage degradation in Expanded Granular Sludge Bed (EGSB) and Up-flow Anaerobic Sludge Blanket (UASB) reactors at 10℃ were investigated via continuous experimental equipments. The results indicated that the whole reaction process can be simulated by the first-order dynamic equation model. Dynamic parameters such as k, Vmax and Ks of UASB in hydrolysis acidification stage were 1.08 d-1, 2.8 d-1 and 372 mg/L comparing to those of 1.18 d-1, 3.5 d-1 and 112 mg/L in the methanogenesis stage respectively. The EGSB's k, Vmax and Ks were 2.91 d-1, 14.3 d-1 and 470 mg/L in the hydrolysis acidification stage comparing to those of 1.68 d-1, 6.6 d-1 and 103 mg/L in the methanogenesis stage respectively. Comparison of k values of the two stages in UASB and EGSB indicates that hydrolysis acidification stage is the controlling step for the whole reaction process of UASB, while methanogenesis stage is the controlling step in EGSB. Compared with UASB, municipal sewage treatment by EGSB at 10 ℃ can reach the same effluent requirement with lower retention time due to its effluent recirculation.
5.Case management care practice improves the effect of self-care ability of the elderly patients with prostate cancer during endocrine therapy
Yan ZENG ; Xiaohong YUAN ; Jingyan ZHAO ; Xuefei DING
Modern Clinical Nursing 2017;16(5):38-42
Objective To evaluate the efficacy of case management care practice on the self-care ability of the elderly patients with prostate cancer during the endocrine therapy. Methods About 84 patients were divided into two groups by drawing lots. About 41 cases in the control group continued their treatment after discharge and consulted the nurses or doctors by phone call in case of problems. The 43 cases in the observation group was treated with case management for 3 months. The self-care ability was compared between the groups before and after the intervention. Result After the intervention, the ESCA total score of the observation group, self-care skills, self protection responsibility and health knowledge level were significantly higher than that of the observation group before intervention and that of the control group (P<0.05). Conclusion Implementation of the case management can improve the self-care ability, health knowledge level, self-care skill and sense of responsibility of the elderly patients with prostate cancer during the endocrine therapy, eventually improving the patient's ability in self care.
6.Preliminary studies on the potential relationship between mast cells and renal interstitial fibrosls in lupus nephritis
Zhao TAN ; Xuefei TIAN ; Yipu CHEN ; Hongrui DONG
Chinese Journal of Rheumatology 2002;0(03):-
Objective To explore the potential relationship between the mast cells (MCs) in renal interstitium and the renal interstitial fibrosis in lupus nephritis (LN). Methods Renal biopsy specimens from patients with types Ⅲ,Ⅳand Vof LN (n=10, respectively), and with minimal change diseases (n=11,as control) were evaluated. Immunohistochemistry staining and immunofluorescence double-staining were used to detect the amount of MCs, the expression of proteinase-activated receptor-2 (PAR-2), transforming growth factor-?1 (TGF-?1) and collagen type I (Col I ) in the renal tissues. Results The amount of MCs in renal interstitium, the positive areas of PAR-2 and TGF-?1 in the renal tubular epithelial cells (RTECs), the amount of PAR-2-positive cells and TGF-?1-positive cells in renal interstitium, and the positive areas of Col I in the renal inter stitium were all higher in three LN groups compared with those in control. Furthermore, among the three LN groups, the above-mentioned parameters were the highest in type Ⅳ and second in type Ⅲ.There were significant positive correlations between the amount of MCs in renal interstitium and the positive areas of PAR-2, TGF-?1 in RTECs as well as the positive areas of Col I in renal interstitium (r=0.513, 0.508, 0.611, respectively, P
7.Health risk assessment of drinking water in Ningbo City
ZHAO Xuefei ; WANG Aihong ; SHI Bijun ; GU Shaohua ; ZHANG Dandan
Journal of Preventive Medicine 2024;36(4):333-337
Objective:
To evaluate the health risk of drinking water in Ningbo City, Zhejiang Province from 2021 to 2022, so as to provide insights into ensuring the safety of drinking water.
Methods:
The monitoring data of drinking water from 2021 to 2022 in Ningbo City were collected from the Chinese Disease Prevention and Control Information System. The routine indicators and disinfectant indicators (radioactivity indicators were excluded) of drinking water were evaluated according to the reference limits issued by Standards for Drinking Water Quality (GB 5749-2006), and the qualification rates were calculated. The indicators with detection rate higher than 50% were selected, and assessed the carcinogenic and non-carcinogenic risks via drinking water using the risk assessment model recommended by the United States Environmental Protection Agency.
Results:
A total of 1 678 samples were monitored in Ningbo City from 2021 to 2022. Sodium hypochlorite was the main disinfectant among 1 558 samples from centralized water supply (1 079 samples, 64.30%), and none of the 120 samples from decentralized water supply underwent disinfection treatment. The qualification rate of 88.38%, and the pollutants with a detection rate higher than 50% were nitrate, fluoride, trichloromethane and aluminum. The median carcinogenic risk value of trichloromethane was 2.964×10-6 (interquartile range, 3.909×10-6), and the median hazard quotient values of nitrate, fluoride, trichloromethane and aluminum were 1.631×10-2 (interquartile range, 1.361×10-2), 3.955×10-2 (3.164×10-2), 2.231×10-2 (2.942×10-2) and 2.136×10-4 (6.573×10-4), respectively.
Conclusion
The carcinogenic and non-carcinogenic risks through drinking water for 17 pollutants in drinking water of Ningbo City from 2021 to 2022 were at low levels.
8.Research on inhibitory effect of YC-1 on proliferation of human leukemia U937,THP-1 cell lines
Ying ZHANG ; Wei LI ; Lin QIU ; Huanchen CHENG ; Xuefei ZHAO ; Jun MA ; Ying ZHAO
Journal of Leukemia & Lymphoma 2012;21(8):449-452
Objective To delineate the potency of YC-1 on the proliferation,apoptosis,cell cycle and the protein expression of Caspase-3,-8,-9 in U937 and THP-1 leukemia cell lines.Methods MTT assay was performed to detect proliferation.Flow cytometry was used to measure the apoptosis and cell cycle.The expression of Caspase-3,-8 and-9 were detected by Western blot.Results The MTT assay showed that cell proliferation was inhibited in a concentration-dependent manner in 1.0,3.0,10.0 μmol/L YC-l-treated U937 and THP-1 cells.The survival rates for YC-1 after 24 h in U937 cells were (76.5±4.4) %,(68.7±6.8) %,(60.9±13.2) % respectively and (94.1±1.4) %,(81.4±2.0) %,(72.7±3.0) % respectively in THP-1 cell,compared with the control group (100 %),there were significant differences (F =15.870,126.629,P < 0.01).The apoptosis rates for 1.0,3.0,10.0 μmol/L YC-1 after 24 h were (40.7±1.0) %,(55.6±2.3) %,(71.8±1.5) %respectively in U937 cells and (34.6±2.0) %,(50.3±3.5) %,(59.6±4.6) % respectively in THP-1 cells.With the control group (4.7±1.4) %,(1.8±1.0) %,there were significant difference (F =937.229,200.447,P < 0.01).However,there was no significant difference for cell cycle.In addition,Cleaved Caspase-8 and Cleaved Caspase-3 expression after 1.0,3.0,10.0 μmol/L YC-1 treated for 24 h were significantly higher than control,but the expression of Caspase-9 did not appear significant change in U937 cells.As the same concentration and time point,Cleaved Caspase-3 expression increased with no change of Caspase-9 or Caspase-8 in THP-1 cells.Conclusion YC-1 effectively suppress the proliferation with little effect on cell cycle,but induce the apoptosis,have no effect on cell cycle,and the mechanism of apoptosis may be related to the Caspase activation in U937 and THP-1 cell lines.
9.Clinical observation of recombinant human brain natriuretic peptide in patients with acute left heart failure complicated with acute myocardial infarction after percutaneous coronary intervention
Xuefei MU ; Xin ZHAO ; Lili REN ; Li WANG ; Chonghuai GU ; Xiaozeng WANG ; Yaling HAN
Chinese Journal of Interventional Cardiology 2016;24(1):32-36
Objective To observe the efficacy and prognosis of recombinant human brain natriuretic peptide ( rhBNP) and conventional treatment in acute myocardial infarction patients undergoing percutaneous coronary intervention therapy complicated by acute of left heart failure. Methods Retrospective analysis of 229 cases of hospitalized patients with acute myocardial infarction undergoing percutaneous coronary intervention therapy in 24 hours after admission, complicating with acute left ventricular failure in Shenyang Military General Hospital from June 2012 to January 2014 were enrolled and devided into: the conventional heart failure therapy group (the control group, n=122) and the rhBNP plus conventional treatment group ( the treatment group, n =107 ) , according to the patient's economic conditions and wishes. Observed improvement in heart failure symptoms before and after treatment during hospitalization and follow-up and also the 30 days and 12 months mortality. Results After 72 hrs of treatment of heart failure, both groups had decrease in heart rates, systolic blood pressure and NT-proBNP levels as compared to pre-treatment levels ( all P ﹤ 0. 05 ) . The NT-proBNP levels and heart rate of the treatment group decreased more significantly compared to the control group (both P﹤0. 05). Compared with the control group, rhBNP which to be used 72 hrs, can improve the cardiac function of AMI patients with the ratio of KillipⅡ-Ⅲ(72. 9%vs. 54. 9%, P=0. 005). There was no significant differences between two groups in in-hospital mortality and early follow-up period ( 30 days ) ( P ﹥0. 05 ) . After 12 months of follow-up, the mortality of the treatment group was lower than the control group ( 6. 5% vs. 13. 9%, P = 0. 068 ) . Through logistic regression analysis, the value of NT-proBNP and whether patients were treated with rhBNP on the basis of the routine drug were independent influencing factors for mortality of 12 months. Conclusions Additional to standard conventional therapy for acute left heart failure in patients with acute myocardial infarction undergoing PCI, rhBNP can lower the 12 months mortality and improve prognosis.
10.Iodine nutritional status and prevalence of thyroid nodules among residents using non-iodized salt in Ningbo City, Zhejiang Province
Xuefei ZHAO ; Jienan ZHANG ; Yawei SUN ; Manhong YAO ; Guoliang ZHU ; Hongjun DONG
Chinese Journal of Endemiology 2015;34(9):676-679
Objective To investigate the iodine nutritional status,thyroid function and the prevalence of thyroid nodules of residents using non-iodized salt in Ningbo City,Zhejiang Province.Methods In 2011,using typical sampling method,6 villages/communities consumption of non-iodized salt were selected as study fields and residents aged 6-70 were selected as study subjects in Ningbo.Urinary iodine detection,thyroid ultrasound examination and tests of thyroid function [free triiodothyronine (FT3),free thyroxine (FT4),thyroid stimulating hormone (TSH),thyroid peroxidase antibody (TPOAb) and thyroglobulin antibody (TgAb)] were performed in all participants.Urinary iodine concentration (UIC) was determined by arsenic cerium catalytic spectrophotometry,and thyroid function was monitored by chemiluminescence method.Results A total of 1 177 residents agreed to participate in the study,482 were male,and 695 were female (including 2 pregnant women).The participants' mean age was (48.54 ± 13.98) years.The median UIC in all participants was 90.36 μg/L,and the proportions with a UIC < 100μg/L was 56.07% (660/1 177).Furthermore,the median UIC in male was 97.05 μg/L and in female was 83.84 μg/L,there was a significant difference in UICs between male and female (Z =-2.99,P < 0.05).Similarly,significant difference in UICs was observed among age groups (x2 =99.34,P < 0.01).Among the participants,19.88% had thyroid nodules,with standardized prevalence rate of 13.95%.Furthermore,in male,11.83% had thyroid nodules,with standardized prevalence rate of 8.11%,and in female was 25.47%,with standardized prevalence rate of 19.83%,there was a significant difference in the detection rate of thyroid nodules between male and female (x2 =33.25,P < 0.01).Likewise,significant difference in the detection rate of thyroid nodules was observed among age groups (x2=49.65,P< 0.01),and there was a positive and significant correlation between the detection rate of thyroid nodules and increasing age (x2trend =44.22,P < 0.01).Conclusions The residents who using non-iodized salt in Ningbo City are in the status of iodine deficiency.The detection rate of thyroid nodules is higher in female than in male and it has increased with age.