2.Role of Sophocarpine in Coxsackievirus B3m Infection in vitro
xing-yu, ZHANG ; shu-xia, CHEN ; jing-xing, LIU ; fu-rong, QIAN
Journal of Shanghai Jiaotong University(Medical Science) 2006;0(08):-
Objective To observe the in vitro anti-Coxsackievirus B3m (CVB3m) effect of sophocarpine(SC) extracted from Sophora flavescens, a traditional Chinese herb. Methods HeLa cells were cultured and the micro-dose cytopathic effect (CPE) assays were applied to detect the toxicity of SC. CPE-inhibitory assays were used to observe the in vitro anti-CVB3m effect of SC. MTT and crystal assays were introduced to examine the anti-CVB3m effect of SC. HeLa cells were infected with CVB3m and added with SC in different concentrations 15 h later.The viability and number of survival of HeLa cells were determined by MTT and crystal violet assays, respectively. Results No toxicity was found on HeLa cells by SC with concentrations 100 ?g/mL, SC could accelerate and aggravate the CPE. SC could protect the CVB3m-infected HeLa cells with concentrations from 1.56 to 25 ?g/mL, and the viability and cell number measured by MTT and crystal violet assay in the SC-handled cells were higher and bigger than those in the virus infected ones. However, the inhibitory effect of virus was exacerbated with higher concentrations (50 and 100 ?g/mL), and the cell number and viability of the SC-handled cells were smaller and lower than those of the infected ones. Conclusion SC with a proper concentration has the in vitro anti-CVB3m effect and may protect HeLa cells from CVB3m infection.
3.Effects of Valsartan on Ventricular Hypertrophy and Expression of Proline-rich Tyrosine Kinase 2 in Myocardium of Renovascular Hypertensive Rats
Hao WU ; Qing-Zhi CHEN ; Shu-Hua XING ; Wei-Heng WU ;
Chinese Journal of Hypertension 2007;0(03):-
Backgroud and Objective Proline-rich tyrosine kinase2(Pyk2) is a Ca~(2+) sensitive,non-receptor tyrosine protein kinase.Previous reports showed Pyk2 involved in development of left ventrieular hypertrophy. The present paper aimed to study the effects of valsartan on ventricular hypertrophy and its effect on the expression of Pyk2 in myocardium in renovascular hypertensive rats(RHR).Methods Two-kidney and one-clip(2K1C) renal hypertensive model was established in Sprague-Dawley rats by chronic partial occlusion of left renal artery,and ran- domized to receive valsartan (30 mg/kg?d) or without treatment for 4 or 8 weeks.Left ventricular mass to body mass ratio was measured.Pyk2 protein expression and phosphorylation was detected by Western blotting.Results Blood pressure,left ventricular mass to body mass ratio,Pyk2 activity in myocardium of RHR were increased gradu- ally.Valsartan reduced BP and prevent myocardial hypertrophy(P
4.Expression in the VEGF,TGF-?1 of cervical squamous carcinoma infected by HPV
Shu-Min ZHENG ; Xing CHEN ; Hai-Hong JI ; Xiu-Ying ZHOU ; Rui-Xia ZHAO ;
Cancer Research and Clinic 1997;0(03):-
Objective To investigate the expression in the VEGF,TGF-?1 of cervical squamous car- cinoma infected by HPV16,18.Methods Cells exfoliated from cervix(collected by clinician)of 99 women with cervical cancer and 54 women as a control group were analyzed blindly by human papillomavirus type 16 and 18 Fluorescent Polymerase Reaction Diagnositic kit.The expression of VEGF,TGF-?1 of the positive HPV16,18 of 38 women with cervical squamous cancer were studied by immunohistochemical stain.Results The positive expression of HPV16,18 was observed in 53 in the case of cervical cancer with positive rates of 54 %,but the positive rates was 7 % in the control group(P
5.Protective effects of edaravone on diffuse brain injury in rats
Jian-Min LI ; Pan ZHANG ; Ya-Ning ZHAO ; Chang-Xiang CHEN ; Shu-Xing LI
World Journal of Emergency Medicine 2011;2(3):222-227
BACKGROUND: Edaravone can alleviate brain injury and improve neurological functions and symptoms. This study aimed to investigate the effect of edaravone on the p38Mitogen-activated protein kinases/Caspase-3 (p38MAPK /Caspase-3) pathway after diffuse brain injury (DBI) in rats. METHODS: DBI models were established according to the description of Marmarou's method. A total of 250 rats were divided (random number) into four groups: control group (CG, n=45), model group (MG, n=77), low-dose edaravone group (n=67, dosage 5 mg/kg) and high-dose edaravone group (n=61, dosage 10 mg/kg). After 1, 6, 24, 48, and 72 hours after injury, brain tissues were collected. The changes of neuron morphous in the hippocampal region were observed through Nissl staining. The expression levels of phosphorylated p38MAPK and caspase-3 were detected by immunohistochemistry and Western blotting respectively. Learning and memory function were tested with Morris water maze from the 3rd to 7th day after injury. RESULTS: Some neurons had histopathologic changes of necrosis and apoptosis in the model group compared with the control group. The phosphorylated p38MAPK expressions increased at 1, 6, 4, and 48 hours (P<0.05), but no significant difference was observed at 72 hours (0.54±0.19 vs. 0.40±0.14, P>0.05). Caspase-3 expressions increased at 6, 24, 48, and 72 hours respectively (P<0.05), but there was no significant difference at 1 hour (0.59±0.29 vs. 0.40±0.17, P>0.05). From the 3rd to 6th day during the Morris water maze test, the latency to find the platform was significantly prolonged (P<0.05) and times of rats crossing the platform was decreased on the 7th day (2.28±1.18 vs. 8.20±1.52, P<0.05). The phosphorylated p38MAPK expressions decreased at 6, 24 and 48 hours respectively in the low dose edaravone group compared with the model group (P<0.05), whereas no significant difference was seen at 1 hour (1.66±0.80 vs. 1.85±0.86, P>0.05). Caspase-3 expression decreased at 6, 24, 48, and 72 hours (P<0.05). The latency to find the platform was significantly shortened (P<0.05), and times of rats crossing the platform increased (4.17±1.15 vs. 2.28±1.18, P<0.05). The above mentioned parameters changed more significantly in the high-dose edaravone group than in the low-dose edaravone group. CONCLUSION: Edaravone can alleviate brain tissue damage after DBI, inhibit p38MAP signal activation after early injury, reduce the expression of caspase-3, and promote the recovery of neurological function in the late period.
6.The expression and significance of CK20 mRNA in patient of gastric cancer
Wenjun CHEN ; Xiaoming YUAN ; Linbo WANG ; Shu ZHENG ; Jinmin WU ; Xing ZHANG ; Jiang CAO
Chinese Journal of General Surgery 1993;0(03):-
Objective To evaluate the clinical significance of CK20 mRNA expression in the blood of gastric cancer patients. Methods Expression of CK20 mRNA was detected by FQ-PCR in preoperative peripheral blood, tumour drainage blood and postoperative peripheral blood in 55 gastric patients and 60 blood donors.Results There was no positive expression of CK20 mRNA of peripheral blood in 60 healthy blood donors.The expression rate of CK20 mRNA was 45.45% in preoperative peripheral blood.The expression rate was higher in stage Ⅲ Ⅳ than stage ⅠⅡ patients ( P
7.A case of hemolytic anemia induced by dipterex.
Chong-hai LIU ; Xing-wei CHEN ; Gang LI ; Chun WU ; Bin ZHONG ; Yu-shu WEI
Chinese Journal of Pediatrics 2003;41(10):765-765
Anemia, Hemolytic
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etiology
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Child
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Female
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Humans
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Insecticides
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poisoning
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Trichlorfon
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poisoning
8.Long-term versus short-term introvesical chemotherapy in patients with non-muscle-invasive bladder cancer: A systematic review and meta-analysis of the published results of randomized clinical trials.
Teng, LI ; Yi, XING ; Shu-Cheng, LIU ; Xiao-Min, HAN ; Wen-Cheng, LI ; Min, CHEN
Journal of Huazhong University of Science and Technology (Medical Sciences) 2014;34(5):706-15
In order to assess the effect of long-term versus short-term intravesical chemotherapy in preventing the recurrence of patients with non-muscle-invasive bladder cancer, we searched several databases with words as mesh terms and free text words to find all eligible randomized clinical trials (RCTs) for the comparison of the two strategies of instillation durations. "Observed-Expected events research (O-E)" and "Variance (V)" for calculating hazard ratio (HR) were used in Revman 5.2 software recommended by Cochrane Collabration for data analysis. Sensitivity and subgroup analysis were selected to minish heterogeneity. GRADEpro 3.6 profile recommended by Cochrane Collabration was employed for quality assessment of analyses. Finally, 13 eligible RCTs with 4216 patients were included in this review and 16 comparisons from 13 trials were involved for analysis. The pooled analysis revealed no significant difference between long-term and short-term duration [HR=0.99, 95% CI (0.89, 1.11), P=0.89]. Within the subgroup analysis, patients benefited from long-term instillations with a start regimen of one immediate instillation [HR=0.83, 95% CI (0.69, 1.00), P=0.05]. But patients were not suitable to receive long-term instillations with epirubicin (EPI) [HR=1.01, 95% CI (0.91, 1.13), P=0.78]. The progression rate was not reduced after long-term instillations [HR=0.96, 95% CI (0.66, 1.39), P=0.82]. From our results, patients should not receive introvesical chemotherapy more than half a year. In contrast, patients with one immediate instillation are preferred to have a long-term duration at least one year. Long-term instillations can not reduce the progression rate.
9.Clinical Characteristics of Children with Moyamoya Disease
da-bin, WANG ; hong-bo, CHEN ; wei-xing, GUI ; yun-shu, ZHANG
Journal of Applied Clinical Pediatrics 1994;0(04):-
Objective To discuss the clinical characteristic and diagnosis of children with moyamoya disease(MMD).Method The clinical features of 4 children with MMD were analyzed.Results The early clinical spectrum in children with MMD was transiently ischemic attack,and presented with injured neuron manifestations after some seizures,such as paralysis,extremity sensory disturbance, seizure of epilepsy,language disorder,involuntary movement and psychotic symptoms.Magnetic resonance angiography(MRA) and DSA demonstrated multiple cerebral vessels occlusion or stenosis and moyamoya vessels,so MRA became the first choice for detec- ting MMD.Conclusions The clinical symptom and neuron symptom of children MMD may not be typical,and it is easily misdiagnosed.Its correct diagnosis depends on thorough physical examination,appropriate laboratory tests,and the general knowledge of this disease.
10.Clinical significance of sinus heart rate turbulence in aged patients with stable angina pectoris
Xiangqun ZHOU ; Haizhu WEI ; Haijin CHEN ; Xing PENG ; Shangjun LIU ; Min SHU ; Haijiao ZHANG
Chinese Journal of cardiovascular Rehabilitation Medicine 2017;26(1):98-100,101
Objective:To explore clinical significance of sinus heart rate turbulence (HRT) phenomenon in aged pa‐tients with stable angina pectoris (SAP) .Methods :A total of 120 aged SAP patients ,who received 24h DCG in our hospital from Jan 2013 to Oct 2015 ,were selected as SAP group .Meanwhile ,another 144 aged patients ,who re‐ceived 24h DCG examination simultaneously and coronary angiography results were normal ,were regarded as nor‐mal control group .According to coronary lesion severity ,SAP group was further divided into single vessel coronary disease group (single vessel group ,n=35) ,double‐vessel coronary disease group (double‐vessel group ,n=48) and multi‐vessel coronary disease group (multi‐vessel group ,n=37) .The 24h DCG ,HRT indexes ,including turbulence onset (TO) and turbulence slope (TS) ,were measured and compared among all groups .Results:Compared with normal control group ,there was significant rise in TO [(0.77 ± 0.37)% vs .(1.26 ± 0.92)% ] and significant reduc‐tion in TS [(5.45 ± 4.02) ms/RR interval vs .(1.53 ± 0.70) ms/RR interval] ,P<0.01 both ;significant rise in ab‐normal rates of TO (19.44% vs .42.50% ) ,TS (15.97% vs .31.67% ) and TO + TS (11.11% vs .30.83% ) in SAP group ,P<0.01 all .Compared with single vessel group ,there was significant rise in TO [(0.66 ± 0.22)% vs .(1.28 ± 1.11)% vs .(1.46 ± 1.20)% ] and significant reduction in TS [ (2.04 ± 0.82) ms/RR interval vs .(1.66 ± 0.38) ms/RR interval vs .(1.29 ± 0.58) ms/RR interval] in double‐vessel group and multi‐vessel group ,and TO of multi‐vessel group was significantly higher than that of double‐vessel group ,TS of multi‐vessel group was significantly low‐er than that of double‐vessel group , P<0.01 all .Conclusion:Sinus heart rate turbulence can be used as risk predic‐tor for aged patients with stable angina pectoris ,which can provide basis for clinical effective treatment and progno‐sis assessment .