1.Effects of epileptiform discharges and its influence on normal sleeping wave after sleep deprivation in children with epilepsy
Journal of Clinical Neurology 1997;0(06):-
Objective To observe the effects of epileptiform discharge and its influence on humpwave sleep spindles after sleep deprivation(SD)in children with epilepsy.Methods Monitoring the wakefulness and sleep EEG of samples of 160 children who were diagnosed epilepsy after SD.Results The detection rate of epileptiform discharge(59.3%)in sleep EEG was higher than that in wakefulness EEG after SD(16.3%)(P
2.The immunotherapy of thyroid associated ophthalmopathy
Qingfang HU ; Huanhuan CHEN ; Tao YANG
Chinese Journal of Endocrinology and Metabolism 2014;30(3):261-264
The treatment of thyroid associated ophthalmopathy (TAO) is still a worldwide problem.The conventional glucocorticoid therapy can not benefit all the patients.In recent years,new immunosuppressive agents,such as tumor necrosis factor inhibitors and anti-CD20 monoclonal antibody have been emerging and serving as new targets in treating TAO to remedy the insufficiency of glucocorticoid treatment.In this paper,recent advances in immunotherapy of thyroid associated ophthalmopathy are reviewed.
3.Progress in multidrug resistance of gastric cancer
Lulu GUAN ; Qingfang ZHAO ; Xiaobing CHEN
Cancer Research and Clinic 2017;29(6):422-425
Chemotherapy is one of the main treatments for gastric cancer, but its drug resistance often limits the effectiveness of chemotherapy, leading to treatment failure. Drug resistance can be divided into primary drug resistance and secondary resistance. It has showed that several factors were involved in the multidrug resistance of gastric cancer, including the expression of drug resistance-related proteins, abnormalities of apoptosis-related genes, dysfunction of DNA damage repair, epithelial-mesenchymal transition and non-coding RNA. The solution to improve the efficacy of chemotherapy is to overcome drug resistance or delay drug resistance. This article will explore the progress in multi-drug resistance of gastric cancer.
4.Effects of gossypol acetic acid on the proliferation and methylation level of the human MutL homologue 1 gene in human tongue carcinoma cell line Tca8113.
Shuai FU ; Yong WU ; Qingfang PENG ; Wenfei CHEN
West China Journal of Stomatology 2014;32(1):91-95
OBJECTIVEThis paper aims to study the effects of gossypol acetic acid (GAA) on proliferation and methylation level of human MutL homologue 1 (hMLH1) gene in human tongue cancer cell line Tca8113.
METHODSThe MTT assay was used to determine the effects of the acid on the proliferation inhibition in Tca8113 cells treated with different GAA concentrations. Nested methylation-specific polymerase chain reaction (nMSP) was used to detect the change in the methylation level of hMLH1 after 48 and 72 h with 30 and 15 micro mol L(-1) GAA treatment.
RESULTSMTT assay results showed the growth and proliferation inhibition of Tca8113 cells in the experimental GAA group after 24 h to 72 h of GAA treatment. The nMSP results indicated that the average optical density of hMLH1 in the Tca8113 cells significantly changed after the GAA treatment (30 micro mol L(-1) GAA for 48 h and 15 micro mol L(-1) for 72 h) (P<0.05) compared with that of the control group.
CONCLUSIONGAA does not only inhibit Tca8113 proliferation but also has a demethylation effect on the hMLH1 gene. These phenomena may be part of an underlying tumor-suppression mechanism of GAA.
Cell Line ; Cell Line, Tumor ; Cell Proliferation ; Gossypol ; analogs & derivatives ; Humans ; Methylation ; Tongue Neoplasms
5.Distribution and drug resistance of main pathogens isolated from blood culture
Qingfang ZHANG ; Taohong LU ; Xiaoli ZHU ; Fengxi TIAN ; Yabao CHEN
International Journal of Laboratory Medicine 2014;(24):3338-3340
Objective To investigate the distribution and drug resistance of pathogens isolated from blood culture samples from January 2012 to October 2013 to provide the basis for clinical lection of antibacterial drugs.Methods The blood samples were col-lected from the patients with suspected blood infection and cultured by the BD BACTEC 9120 automatic blood culture instrument. The samples with positive results were performed the bacterial identification and the drug sensitivity test by using the VITEK-2 COMPACT automatic bacterial identification instrument.Results A total of 969 strains of pathogens were isolated from blood cul-ture samples,including 540 strains(55.7%)of Gram-positive bacteria,413 strains(42.6%)of Gram-negative bacteria and 16 strains (1.7%)of fungi.The top 3 isolated pathogenic bacteria were Staphylococcus epidermidis,Escherichia coli and Staphylococcus au-reus.Staphylococcus epidermidis and Staphylococcus aureus were highly resistant to penicillin,sensitive to vancomycin and linezol-id;Escherichia coli and Klebsiella pneumoniae were highly sensitive to imipenem and Piperacillin/tazobactam.Conclusion It is nec-essary to understand the blood culture results timely so as to provide the basis for clinical antibacterial therapy and the improvement of the cure rate.
6.Expression of cathepsin B in acutely photodamaged fibroblasts and its significance
Wei HOU ; Qingfang XU ; Chen LIU ; Yue ZHENG ; Wei LAI
Chinese Journal of Dermatology 2014;47(11):776-779
Objective To investigate the changes in cathepsin B (CatB) expression in acutely photodamaged human dermal fibroblasts (HDFs) and their significance.Methods HDFs were isolated from the foreskin of children,and subjected to primary culture and subculture.The fourth-to eighth-passage HDFs were used in the following experiment.HDFs were divided into two groups to receive irradiation with different doses of ultraviolet A (UVA) for different durations (acutely photodamaged group) or remain unirradiated (control group).Cell counting kit-8 (CCK8) assay was conducted to evaluate the proliferative activity of HDFs after irradiation with UVA at 5,10,15,20 and 25 J/cm2 respectively.Western blot and quantitative real-time reverse transcription PCR were performed to measure the protein and mRNA expressions of CatB respectively in HDFs at 24,48 and 72 hours after exposure to UVA at 10 J/cm2,and at 48 hours after exposure to UVA at 10,15,20 and 25 J/cm2.Statistical analysis was carried out by analysis of variance and least significant difference (LSD) test using the SPSS 13.0 software.Results UVA radiation induced a decrease in the proliferative activity of HDFs.When the dose of UVA was ≤ 10 J/cm2,the survival rate of HDFs maintained higher than 85%,and significant differences were observed in cell survival rate between unirradiated and irradiated HDFs at 24,48 and 72 hours (all P < 0.05).Western blot showed that the gray value of CatB protein in the acutely photodamaged group irradiated with 10 J/cm2 UVA was significantly higher than that in the control group at 24 hours (0.76 ± 0.14 vs.0.35 ± 0.01,P < 0.05),48 hours (1.34 ± 0.38 vs.0.45 ± 0.12,P< 0.05) and 72 hours (0.82 ± 0.09 vs.0.61 ± 0.06,P< 0.05).Increased mRNA expressions of CatB were also observed in the acutely photodamaged group compared with the control group at 24 hours (0.149 ± 0.009 vs.0.089 ± 0.015,P < 0.05),48 hous (0.173 ± 0.009 vs.0.091 ± 0.010,P < 0.05) and 72 hours (0.185 ± 0.158 vs.0.111 ± 0.017,P < 0.05) after UVA radiation at 10 J/cm2.The gray value of CatB protein was 0.99 ± 0.07,1.49 ± 0.14,1.89 ± 0.08,2.07 ± 0.06 in HDFs at 48 hours after exposure to UVA of 10,15,20 and 25 J/cm2,respectively,significantly higher than that in the control group (0.60 ± 0.05,all P < 0.05).Similarly,the mRNA expression of CatB was up-regulated in HDFs at 48 hours after UVA radiation at 10,15,20 and 25 J/cm2 compared with the unirradiated HDFs.Conclusion The protein and mRNA expressions of CatB are up-regulated in acutely photodamaged HDFs induced by UVA radiation.
7.MAPK pathway regulates ultraviolet A-induced cathepsin K expression in human dermal fibroblasts
Qingfang XU ; Wei HOU ; Yue ZHENG ; Chen LIU ; Zijian GONG ; Chun LU ; Wei LAI
Chinese Journal of Dermatology 2014;47(8):543-547
Objective To investigate whether ultraviolet A UVA)-induced CatK expression is regulated by the mitogen-activated protein kinases (MAPK) signaling pathway in human dermal fibroblasts in vitro.Methods Human dermal fibroblasts were obtained from circumcised foreskin of children,and subjected to primary culture.After several passages of subculture,some fibroblasts were irradiated with UVA at a dose of 10 J/cm2.Western blot was performed to measure the expressions of total and phosphorylated JNK (t-and p-JNK) and P38 (t-and p-P38) at 0.75,1.5,3 and 6 hours after the irradiation.Some fibroblasts were divided into six groups:control group receiving no treatment,SP group treated with SP600125 of 800 nmol/L,SB group treated with SB203580 of 10 μmol/L,UVA group irradiated with UVA at a dose of 10 J/cm2,UVA-SP group treated with SP600125 for 1 hour before and for 1.5 or 48 hours after UVA irradiation at 10 J/cm2,UVA-SB group treated with SB203580 for 1 hour before and for 1.5 or 48 hours after UVA radiation at 10 J/cm2.Subsequently,Western blot was performed to determine the expressions of p-c-Jun and p-MAPKAPK2 in these groups at 1.5 hours after the UVA irradiation,and reverse transcription (RT)-PCR and Western blot to detect the mRNA and protein expressions of CatK at 48 hours after the UVA irradiation,respectively.Statistical analysis was carried out by t test,one way analysis of variance and least significant difference (LSD)-t test.Results The expression levels (gray values) of p-JNK and p-P38 were significantly increased at 0.75 hour (4.77 ± 0.19 and 2.44 ± 0.13 respectively,both P < 0.05) and 1.5 hours (4.68 ± 0.09 and 2.30 ± 0.04 respectively,both P < 0.05),but showed no significant changes at 3 hours (both P > 0.05) and 6 hours (both P > 0.05) after the UVA irradiation compared with those before the irradiation (3.2 ± 0.27 and 1.61 ± 0.08 respectively).A significant decrease was observed in the expression of p-c-Jun in the UVA-SP group and p-MAPKAPK2 in the UVA-SB group compared with the UVA group (p-c-Jun,2.55 ± 0.48 vs.4.85 ±0.96; p-MAPKAPK2,1.16 ± 0.12 vs.2.46 ± 0.09,both P < 0.05).The CatK mRNA and protein expressions were attenuated by 61.1% and 44.3% respectively in the UVA-SP group (both P < 0.05),and by 71.3% and 50.4% respectively in the UVA-SB group (both P < 0.05) in comparison with the UVA group.The UVA-SP group also showed a significant reduction in CatK mRNA and protein expressions as compared with the UVA-SB group (both P < 0.05).Conclusion Both JNK and P38 signaling pathways,especially the JNK pathway,may contribute to the upregulation of CatK expression in dermal fibroblasts induced by UVA irradiation.
8.Effects of Intelligent Trunk Intensive Training on Motor and Balance for Patients with Stroke
Qinghua CHEN ; Xiutang MA ; Xinnian DAI ; Tao LIANG ; Qingfang MENG ; Weijuan YAN ; Shouqin SHAN
Chinese Journal of Rehabilitation Theory and Practice 2013;19(9):863-865
Objective To observe the effect of intelligent trunk intensive training on motor and balance for patients with stroke. Methods 80 stroke patients were divided into treatment group (n=40) and control group (n=40) randomly. Both groups accepted routine rehabilitation,and the treatment group accepted intelligence trunk intensive training in addition for 6 weeks. They were assessed with Rivermead Movement Index (RMI), the Berg Balance Scale (BBS), Sheikh trunk control ability evaluation before and after treatment. Results All the scores improved after treatment in both groups (P<0.001), and improved more in the treatment group than in the control group (P<0.001).The score of trunk control positively correlated with the score of RMI and BBS respectively (r=0.576, r=0.592, P<0.05). Conclusion Intelligent trunk intensive training can further improve the motor and balance of patients with stroke.
9.Blood lipid level and the control status among patients with type 2 diabetes mellitus in rural communities of Zhejiang Province
Ruying HU ; Yong WANG ; Kailun CHEN ; Qingfang HE ; Jin PAN
Journal of Preventive Medicine 2019;31(11):1091-1096
Objective:
To investigate thestatus and control of blood lipid level among patients with type 2 diabetes mellitus(T2DM)in rural communities of Zhejiang Province,and to provide evidence for blood lipid control for T2DM.
Methods:
A sample of 10 343 patients with T2DM managed by communities from Jiashan,Suichang and Yongkang in 2016 were recruited. Through the diabetes registry system,physical examination and laboratory tests,data of demographic features,blood pressure,body mass index(BMI),waist circumstance(WC),glycated hemoglobin(HbA1c),total cholesterol(TC),triglyceride(TG),low-density lipoprotein cholesterol(LDL-C)and high-density lipoprotein cholesterol(HDL-C)were collected to learn the status of blood lipid control. Logistic regression analysis was conducted to explore the influencing factors for blood lipid control.
Results:
The control rate of TC,TG,LDL-C and HDL-C in patients with T2DM was 29.84%,58.72%,48.25% and 61.27%,respectively. About 11.76% of patients had all the four indicators in control,while 9.22% of patients failed in all. The higher control rates of all of the four indicators were seen in males than females,in older age,in lower BMI and in normal people than in central obese people(all P<0.05). The results of multivariate logistic regression analysis showed that sex(OR=3.556,95%CI:3.070-4.119),age(OR=1.130,95%CI:1.060-1.204),WC(OR=0.989,95%CI:0.980-0.998),
BMI(OR=0.768,95%CI:0.688-0.857),systolic blood pressure(OR=0.991,95%CI:0.984-0.999),HbA1c level(OR=0.914,95%CI:0.876- 0.953),smoking(OR=0.768,95%CI:0.639-0.924)and drinking(OR=0.688,95%CI:0.536-0.884)were associated with the control of TC,TG,LDL-C and HDL-C in patients with T2DM.
Conclusion
The control rate of blood lipid is low in patients with T2DM in rural communities of Zhejiang Province,surveillance and interventions should be focused on sex,overweight/obesity,smoking,alcohol intake,blood glucose and blood pressure.
10.Influences of water supply sources of dental comprehensive treatment platform on intra-pipeline water quality
Genlin LIU ; Fei HU ; Jun YE ; Jinhua HUANG ; Qingfang ZHANG ; Xiaoling CHEN
Chinese Medical Equipment Journal 2017;38(2):98-100
Objective To investigate the impacts of water supply on water quality in the pipeline of the dental comprehensive treatment platform to contribute to pollution control.Methods Totally 8 platforms from the stomatological department underwent 2-a detection and tracing.The water sources included tap water,distilled water and filtered water,and the discharge water went through sampling and bacteriological analysis before and after disinfection.Results The mean numbers of colonies by tap water,distilled water and filtered water were (472±385),(380±372) and (446±382) cfu/ml respectively,and the qualification rates by tap water,distilled water and filtered water were 33.3%,45.8% and 37.5% respectively.All the colonies numbers were limited within 0 and 60 cfu/ml with the qualification rate being 100% after disinfection.Conclusion Water source cannot relieve bacterial infection effectively,and disinfection eliminates bacteria and improves water quality in the pipeline of the dental comprehensive treatment platform.