Objective To investigate the clinicopathological features ,diagnosis and differential diagnosis of primary leiomyo‐sarcoma of the thyroid gland .Methods The pathological characteristics and immunohistochemical features in a case of primary leio‐myosarcoma of the thyroid gland were analyzed and the relevant literatures were reviewed .Results Grossly ,the mass measured 5 .5 cm × 4 .0 cm × 3 .5 cm ,gray and yellow in cut surface and partial hard quality .Histologically ,the tumor was composed of spin‐dle cells ,arranging in bundles with obvious dysplasia ,nuclear mitosis was easily found .The tumor infiltrated thyroid follicles and in‐vaded surrounding tissues .The immunohistochemical study showed that Vimentin ,SMA ,Caldesmon and Actin were positive ,and CK ,CK8 ,EMA ,TTF‐1 ,P53 and LCA were negative .Conclusion Primary leiomyosarcoma of thyroid gland is extremely rare ,its diagnosis should be combined with clinical and imageologic data ,histological characteristics and immunohistochemistry .

Objective To observe the preventive effect of immune tolerance induced by immature myeloid dendritic cell(iMDC) loading P2 58-73 peptide(P2 58-73aa-iMDC) in experimental autoimmune neuritis(EAN),and the effect on the expression of IFN-? and IL-33 mRNA.Methods(1)The iMDC were cultured in vitro for loading P2 58-73aa.(2) 21 adult female Lewis rats were randomly divided into the EAN(A)group,iMDC(B)group and P2 58-73aa-iMDC(C)group,and subcutaneously injected PBS,iMDC and P2 58-73aa-iMDC respectively.After 7 d,all the rats were immunized with P2 53-78aa and complete freunds adjuvant(CFA) to inducing EAN.Then,the situation of onset were observed and clinical score were evaluated till 16 d(the crest-time of onset) after immunization.(3) The lymphocyte proliferative response were assayed by 3H-TdR incorporation.The expression of IL-33,IFN-? mRNA in sciatic nerves,spleen and lymph node were detected by RT-PCR.Results(1)In the crest-time of onset,the clinical scores in groups A,B and C were(7.4?1.9),(5.2?1.6) and(3.4?0.9) respectively.There were significant differences between each two groups(allP

Objective To illuminate relationships between epilepsy and functional and morphologic plasticity of synapse through investigating temporal-spatial expression of syanpsinⅠand the alteration of synaptic ultrastructure in hippocampus after seizure. Methods The models of epilepsy were established by injection of pilocarpine and lithium. Electromicroscope and the software of image manipulation were applied to observe the alteration of synaptic ultrastructure in hippocampus during acute phase, resting phase and chronic phase. The expressions of synapsinⅠ were determined by immunohistochemistry. Results The expression of synapsinⅠin every subfield of hippocampus decreased at 3 h after induction of seizure, reached the peak at 6 h and 12 h, which was significantly different from the control ( P

Objective Pathogen and antimicrobial susceptibility in children with bacterial meningitis were reviewed.Methods The positive cultures of cerebrospinal fluid samples or blood samples and its antimicrobial susceptibility were analyzed in 401 patients with the clinical diagnosis of bacterial meningitis.Results 401 cases cerebrospinal fluid samples and blood samples submitted to microbiology laboratory, 97 cases (24%) were microscopically and culturally proven to be bacterial meningitis. The most frequent pathogen was staphylococcus aureus (28%), followed by the streptococcus pneumoniae (19%) and escherichia coli (13%). Pediococci as conditioned pathogen, were found in purulent meningitis patients. One of the isolates of Staphylococcus aureus was simultaneously resistant to both vancomycin and teicoplanin. Three isolates showed simultaneous resistance to imipenem/cilastatin.Conclusions Staphylococcus aureus as the predominant pathogens of pediatric ranks first among pediatric patients of purulent meningitis. Serious drug resistance of isolated pathogenic bacteria and its in antimicrobial susceptibility in the bacterial meningitis should be considered in clinical therapy.

Objective: By taking the holism and differentiation concepts of traditional Chinese medicine (TCM) as the guidance, physical, mental and workplace factors were recruited in the observation of depression in employees, and were systematically classified to establish a workplace-related Liver Meridian-depression scale, for providing an evaluation index for depression in employees. Methods: NVIVO 11 software was adopted to assort ancient TCM classics. Based on the holism and differentiation concepts of TCM and well-developed scales, the item pool was determined via brain storm and screened by Delphi method after classified; a Wechat questionnaire was handed out 240 times via the online system 'Wen Juan Xing', and the results were statistically analyzed by the SPSS 17.0 version software. Results: Five dimensions consisting of 80 items were obtained after classification, and 60 items were selected by Delphi method; a total of 216 questionnaires were returned and the return rate was 90%. Of which, 215 questionnaires were valid ones, and the valid rate was 99%. By exploratory factor analysis (EFA), 44 items were obtained, and the aggregate split-half reliability coefficient was 0.922. The Cronbach's alpha coefficient for the five dimensions, i.e. Liver Meridian, relevant meridians, basic psychological activities, work cognition and emotional reactions, was respectively 0.841, 0.842, 0.914, 0.836 and 0.839, indicating a content internal consistency. The score of each item was highly correlated with the corresponding dimension, and the intercommunity was between 0.474 and 0.801. Nine factors were generated, 2 in the dimension of Liver Meridian, 3 in the dimension of relevant meridians, 2 in the dimension of basic psychological activities, 1 in the dimension of work cognition, and 1 in the dimension of emotional reactions, and the load of each factor was between 0.438 and 0.859. The reliability and validity of the scale were well examined. Conclusion: The scale can be applied to evaluate the qi activities of Liver Meridian and depression symptoms related to workplace.

Objective To evaluate the correlation of the CT features of the collateral circulation and the degree of esophageal-gastric varices in patients with portal hypertension caused by hepatic cirrhosis.Methods 30 cases with portal hypertension were in group A and 30 healthy people were in group B.The diameter of portal vein(PV),gastriccoronary vein(GCV),the total cross-sectional surface area(CSA) of varices in gastro-splenic region were measured in both group A and B,the results and endoscopic signs were analysed with multiple linear regression.Results The diameters of PV were(16.17?2.44) mm in group A and(12.42?1.53) mm in group B,Beta =0.39. The diameters of GCV were(6.22?2.41)mm in group A and (3.39?1.03) mm in group B,Beta =0.85. The total CSA of varicosis in gastro-splenic region were(5.14?5.96) cm2 in group A and (1.32?0.98) cm2 in group B, Beta =1.90. Multiple linear regression equation : y=0.39X1+0.85X2+1.90X3 Conclusion The total CSA of varicosis in gastro-splenic region is a useful CT feature in evaluating portal hypertension.

Objective:To explore the effect of lipoic acid (LA) on chronic oxidative stress,cytokines and inflammatory gene expression with mice fed with high fat diet (HFD) and whether LA supplementation could prevent development of chronic inflammation.Methods:C57BL/6 mice were randomly assigned to three groups.The control group were administrated with an ordinary diet.The two experimental groups were fed with a high fat diet or high fat plus 0.1% LA.Antioxidants defense index such as SOD,CAT,GSH-Px and MDA were examined after 10 week.Cytokines such as IFN-?,IL-4,IL-6,TNF-? and IL-10 were examined after 10 week,respectively.Gene expression related to oxidative stress and inflammation were confirmed by QRT-PCR.Results:HFD led to potently weaken antioxidant defenses in mice.HFD significantly increased levels of IFN-?,IL-6 and TNF-?,and decreased levels of IL-4 and IL-10 in mice plasma.QRT-PCR results showed an up-regulation of inflammation related genes and a down-regulation antioxidant-related genes.Conclusion:LA is a possibly effective supplementation with HFD,both to prevent from the development of long-term oxidative stress and to attenuate chronic inflammation.

Objective To explore the effect of high-fat diet(HFD) on redox states of duodenum and calcium absorption in mice,and to analyze the relation between them.Method Fifty C57BL/6 male mice were randomly assigned to five groups.The control group consumed an ordinary diet(0.6% Ca,w/w),and other four groups were fed with HFD(19.64%lard,0.6% Ca),HFD plus 0.1% lipoid acid(LA),HFD with calcium supplement(1.6%Ca) and HFD with 1.6% Ca and 0.1% LA supplement.Calcium apparent absorption was measured by mineral balance study after feeding for 8 w.Plasma and duodenum levels of ROS,SOD,CAT,MDA,GSH/GSSG,and T-AOC were measured to evaluate the antioxidant status.Results HFD induced oxidative stress of duodenum and decrease of intestinal calcium absorption in mice.There were positive correlations between calcium apparent absorption with GSH/GSSG(r=0.801,P

Objective To investigate the changes in femoral gene expression profiles in C57BL/6 mice fed high-fat diet (HFD) via clustering analysis of DNA microarray.Method Sixteen male C57BL/6 mice (4w old) were randomly assigned to two groups,8 in each,after 4-d ordinary diet for adaptation.The control group was fed with an ordinary diet,and the HFD group with HFD(19.5% lard).All mice were sacrificed at the end of 12w and the femoral gene expression was detected by oligonucleotide microarray analysis with Affymetrix Gene Chip Mouse U430A.DAVID,an online tool,was used for clustering analysis on femoral gene expression.Results Longtime administration of HFD caused femoral gene expressed differences related to cation ion channel,transcription regulation and signal transduction,bone mineralization,phosphate metabolic process regulation,and collagen synthesis.Conclusion Longtime intake of HFD will change the expression of numerous bone metabolism-related genes in bone of mice,and then inhibit bone formation.

Objective To investigate the infection and distribution of human papilloma virus (HPV) types in patients with infiltrative cervical cancer (ICC) and cervical intraepithelial neoplasia (CIN) in Chongqing. Methods Fifty-eight cases diagnosed with ICC or CIN[KG-*6]Ⅱ to Ⅲ,which were confirmed by histopathology in the Tumor Hospital of Chongqing,were included in the analysis. DNA enzyme immunoassay (DEIA) and SPF10 LiPA25 (version 1) testing was used for DNA extraction and extension,and linear probe reverse hybridization to detect lesions HPV type. Results HPV infection were detected in 56 of 58 specimen,the positive rates of CINⅡ,CINⅢ and cervical cancer were 100.00%,100.00% and 95.00% respectively. A total of 13 types were detected. HPV16 infection rate was up to 60.00%,followed by HPV18(7.69%),HPV58(7.69%),and HPV31(4.62%). Conclusion HPV16 is still the most common type in Chongqing. HPV18,HPV58 and HPV31 also has a high prevalence.