Objective To understand the gene E sequences of prevalent strains of Dengue fever type Ⅰ virus in Zhaoqing City during 2014.Methods The medical record data and acute stage serum of the patients with Dengue fever in Zhaoqing City during 2014 were collected.Dengue virus was cultured and isolated by using the C6/36 cell culture.Gene E of positive strains was amplified with RT-PCR.The phylogenetic tree was drawn and the bioinformatics analysis was conducted.Results Of 36 samples,20 samples were positive in viral isolation and culture.The gene E sequences of 20 strains of type Ⅰ Dengue virus prevalence in Zhaoqing dur-ing 2014 were obtained;the homology of these sequences was close to that of the 2 prevalent strains found in Zhongshan City,but was distant from that found in Guangzhou City.Conclusion The epidemic situation of Dengue fever in Zhaoqing City is closely re-lated to the prevalence situation of Zhongshan and is characterized by imported prevalence.

Purpose: Detect cytokeratin 19 mRNA(CK-19 mRNA) in nucleated cells in peripheral blood from breast cancer. To establish a diagnostic method for breast cancer metastasis in peripheral blood. Methods: Peripheral blood samples in breast cancer patients (test group, n = 66) and benign tumour in breast patients ( control group, n = 37) were taken. Then, the nucleated cells were separated and total RNA extracted, and CK-19 mRNA was detected by reverse transcription polymerase chain reaction (RT-PCR) technique. Results: Samples were diagnosed CK-19 mRNA positive when 460 bp band appeared in RT-PCR end-product. The positive rate of CK-19 mRNA is 36. 36 % (24/66) in test group . None of the benign tumour breast patients expressed CK-19 mRNA. The difference between the two groups was statistically significant (P

Objective To evaluate the efficacy of ureteroscopic pneumatic lithotripsy in the treatment of ureter stones.Methods A total of 186 cases ureteroscopic pneumatic lithotripsy were performed in our hospital.The outcomes of the surgery were analyzed.Results The success rate of the operation was 80.6%(29/36) for the upper ureteral calculi,92.7%(51/55) for the middle,and 100%(95/95) for the lower ones,respectively.Four weeks after the surgery,re-examination showed that the rate of stone removal was 94.1%(175/186).Injuries to the ureter occurred in 5(2.7%) of the cases.Conclusion Ureteroscopic pneumatic lithotripsy is an effective and safe method for ureteral calculi.

Objective To discuss the technique and therapeutic effect of pneumatic ballistic lithotripsy for the treatment of bladder calculi under ureteroscope via the outer sheath of resectoscope.MethodsTotally 42 patients with bladder calculi(39 men and 3 women)were treated in our hospital form March 2002 to February 2005.Among the patients,20 cases were complicated with BPH,and 3 had bladder fabrosis.The cystolith was crushed with pneumatic ballistic lithotripsy under an ureteroscope via the outer sheath of resectoscope.For the patients complicated with BPH(20 cases),prostatectomy was performed at the same time.ResultsAll the cases were cured in one session.No massive hemorrhage,bladder perforation,or overhydration occurred after the operation in this series.The patients were followed up for 6 to 18 months(mean 8 months),during which no recurrent cases were found,all the patients had normal urination.ConclusionsPneumatic ballistic lithotripsy via the outer sheath of resectoscope is an effective,simple,accurate method for the treatment of bladder stones.The procedure is superior in less complications and good outcomes.

Objective To access the efficacy of oximeter in blood oxygen saturation monitoring in limb fracture patients. Method Monitor the blood oxygen saturation level in 200 patients with limb fractures , and determine whether blood circulation disorders exist in these patients accordingly. Results Within the 200 patients, 107 had normal blood oxygen saturation level, 50 patients had possible blood circulation disorder , 40 patients had blood circulation disorder, 3 patients had critical limb ischemia among which 2 were diagnosed as osteofascial compartment syndrome , and one as partial breakage of arteriovenous vessels. All the patients recovered well after prompt and proper treatment. Conclusion Blood oxygen saturation monitoring in post-limb- fracture patients using a oximeter can discover blood circulation disorders promptly , thus ensure proper treatment and avoid mal-practice and missed diagnosis.

Objective To explore the influences of protein kinase Cβ (PKC3) inhibitor LY333531 on oxidative injury and apoptosis of SH-SY5Y cells induced by fluorosis.Methods The SH-SY5Y cell model of fluorosis was established,and the experiment was divided into three groups:control group [0.0 mmol/L sodium fluoride (NaF) and 0.0 μmol/L LY333531],the fluoride group (0.5 mmol/L NaF and 0.0 μmol/L LY333531),and the PKCβ inhibitor group (0.5 mmol/L NaF and 0.2 μmol/L LY333531),n =3.Flow cytometry was used to detect the changes of reactive oxygen species (ROS) and apoptosis rate,fluorescent probe technique was used to detect mitochondrial membrane potential after each group for 48 h.Results Compared with the control group [(3.32 ± 0.29) × 103,0.60 ± 0.09,(7.58 ± 1.20)％],the level of ROS [(5.99 ± 0.32) × 103] was increased,mitochondrial membrane potential (0.28 ± 0.06) was decreased,and the apoptosis rate [(18.00 ± 2.32)％] was increased in the fluoride group (all P ＜ 0.05);compared with the fluoride group,the level of ROS [(5.12 ± 0.25) × 103] was decreased,mitochondrial membrane potential (0.42 ± 0.03) was increased,and the apoptosis rate [(11.79 ± 0.70)％] was decreased in the PKCβ inhibitor group (all P ＜ 0.05).Conclusions Excess fluoride could cause oxidative damage and apoptosis in cells.PKC3 inhibitor LY333531 has a protective effect in oxidative damage and apoptosis by fluorosis.

Objective To explore the association between Xeroderma pigmentosum complementation C group (XPC) Lys939Gln (A/C) gene polymorphism and the susceptibility of gastric cancer.Methods By searching PubMed,Cochrane Library,Elsevier,Springer-Verlag,China National Knowledge Infrastructure,Chinese Biomedical Literature Data,VIP Database and Wanfang Database,all eligible case-control studies published up to September 2015 were selected and the quality of each article was valuated by two reviewers independently according to the inclusion and exclusion criteria.Meta-analysis was performed by using STATA 12.0 software.Odds ratio (OR) and 95％ confidence interval (CI) were calculated.The text was estimated for the subgroup analysis,sensitivity analysis and publication bias test.Results A total of 7 case-control studies were included,including 2 336 cases with gastric cancer and 3 502 controls.The Meta-analysis showed that compared with the allele A,the allele C increased the risk of gastric cancer (OR =1.09,95％ CI:1.01-1.18,Z =2.12,P =0.034);compared to the genotype AA,the homozygous model (CC) and dominant model (CC + AC) also increased the risk of gastric cancer (CC vs.AA:OR =1.19,95％ CI:1.00-1.42,Z =2.00,P=0.046;CC+ACvs.AA:OR=1.12,95％CI:1.00-1.25,Z=2.03,P=0.042).The Meta-analysis showed the statistical significance between XPC Lys939Gln (A/C) gene polymorphism and the gastric cancer risk in subgroup of Asian people (C vs.A:OR =1.10,95％ CI:1.01-1.20,Z =2.28,P =0.023;CC vs.AA:OR=l.21,95％CI:1.01-1.46,Z=2.02,P=0.043;CC +AC vs.AA:OR =1.13,95％ CI:1.01-1.27,Z =2.11,P =0.035) and the source of community in the control group (C vs.A:OR =1.11,95％ CI:1.01-1.21,Z=2.25,P =0.024;CC vs.AA:OR =1.23,95％ CI:1.02-1.50,Z =2.12,P =0.034).Conclusion XPC Lys939G1n (A/C) gene polymorphism may be associated with the susceptibility of gastric cancer,and genotype CC,CC + AC and allele C can increase the risk of gastric cancer.

Objective To quantitatively examine the relationship between xeroderma pigmentosum complementation C group (XPC)rs2228000 (C /T)polymorphism and the susceptibility of breast cancer. Methods The relevant case-control studies published up to December 2015 which investigated XPC rs2228000 (C /T)polymorphism and breast cancer risk were identified by searching PubMed,Cochrane Library,Chinese Biomedical Literature Data,Wanfang Database,China National Knowledge Infrastructure and VIP Database. Meta-analysis was conducted using STATA 12.0 software and odds ratio (OR)with its 95%CI were estimated. Results A total of 8 researches involving 9 case-control studies (3 850 breast cancer cases and 5 047 healthy controls) were included.The Meta-analysis showed that there was statistical association between XPC rs2228000(C /T)variance and breast cancer risk in the homozygous model (TT vs.CC:OR =1.28,95%CI:1.08-1.52,Z =2.80,P =0.005)and recessive model (TT vs.TC +CC:OR =1.23,95%CI:1.05-1.43, Z =2.64,P =0.008),but not in the allele model,heterozygote model and dominant model.In the subgroup of ethnicity and genotyping methods,the different significant correlation was existed between them under Asian and PCR-RFLP in genetic models (T vs.C:OR =1.21,95%CI:1.05-1.40,Z =2.63,P =0.009;TT vs. CC:OR =1.55,95%CI:1.13-2.13,Z =2.70,P =0.007;TT +TC vs.CC:OR =1.26,95%CI:1.02-1.55,Z =2.19,P =0.028;TT vs.TC +CC:OR =1.39,95%CI:1.04-1.87,Z =2.23,P =0.026).We also found significant association between them in subgroup of population-based controls in the homozygous model (TT vs.CC:OR =1.27,95%CI:1.02-1.57,Z =2.16,P =0.031).Conclusion XPC rs2228000 (C /T)polymorphism may be associated with the susceptibility of breast cancer,especially in Asian,and gene-type TT may increase the risk of breast cancer.

Aged ; Blue Toe Syndrome ; complications ; diagnosis ; Humans ; Kidney Failure, Chronic ; etiology ; Male

Objective:To investigate the inhibitory effects of different concentrations of chlorhexidine in the development of peri-odontitis models in rats.Methods:periodontitis models were established by the ligation of bilateral first molars and orally challenge with P.gingivalis W83.0.05%,0.1%,0.2% and 0.5% chlorhexidine were used to wash the periodontal pocket and oral mucosa of the rats.4 weeks later,absolute real time quantitative PCR was used to count the copy of P.gingivalis W83 in rat periodontal pockets.Scanning electron microscopy was used to observe the distribution of P.gingivalis W83 on rat teeth surface.Immunohisto-chemical technique was used to detect the expression of TNF-αin gingival tissue of the rats.Results:0.2% and 0.5% chlorhexi-dine reduced the copy of P.gingivalis W83 on teeth surface and in periodontal pockets (P <0.05);0.1% -0.5% chlorhexidine reduced the expression of TNF-αin gingival tissue (P <0.05).Conclusion:0.1% -0.2% chlorhexidine can inhibit the develop-ment of chronic periodontitis in rats.