Objective To investigate the efficacy of Yiqing capsules and Cefaclortablets in the treatment of simplex anaphylactoid purpura. Methods In this randomized,simple-blind, controlled study, all of 191 simplex anaphylactoid purpura patients,the throat secretion Group A βhemolytic streptococci antigen test was positive ,92 patients of control group were treated Cefaclor tablets and regular treatment,99 patients of test group were Yiqing capsules and Cefaclor tablets. Results After 10 days treatment,the clinical efficacy of the test group and the control group were 91.9% ,75.0% ,the test group was obviously higher than that of the control group(P ＜ 0.01), and the negative rate of the throat secretion Group A βhemolytic Streptococci antigen test of the test group was higher than that of control group, (P ＜0.01). the commencements of response of the test group was earlier than that of the control group(P ＜0. 01) ,the frequencies of recurrence of the test group were lower than that of the control group (P ＜ 0. 05).Conclusion Yiqing capsules combined cefaclor in treatment of simplex allergic purpura could improve efficacy, and reduce the treatment time.

Objective To investigate the protective effects of soybean isoflavone(SI) on genetic toxicity induced by di-n-butul phthalate(DBP) in mice.Method(1) Micronucleus test:40 male 7 w old Kunming mice were randomized into 4 groups:High and low dose SI intervention groups,DBP model group,and solvent control group.SI intervention groups were given different doses of SI(50,100mg/kg) for 30 d,meanwhile,the DBP group and solvent group were given 0.5% sodium carboxymethyl cellulose.Then all groups were treated by 0.5g/kg DBP for 5d except solvent group.Mice were sacrificed 6 hour after last treatment,and then counting micronucleated cells in bone marrow.(2) Sperm malformation test:40 male 6w old Kunming mice were grouped and treated the same as micronucleus test.Mice were sacrificed at 35 day after the first treatment,and then sperm quantity,motility,viability and abnormality rate were calculated.Result Micronucleus rate and sperm abnormality rate of SI intervention group were lower than DBP model group,while sperm motility and viability were higher than DBP model group.Conclusion SI can relieve the genetic toxicity induced by DBP in mice.

Induction of immune tolerance is characterized by high efficiency,low toxicity and economic advantages,and immune tolerance has very important significance in organ transplantation.In the establishment of immune tolerance,dendritic cells (DCs) play the key roles such as clonal deletion or clonal anerge,expressing t-cell inhibiting factors,activating helper T cells electively and inducing regulatory T cells,especially CD4 + CD25 + regulatory T cells,etc.Similarly,CD4 + CD25 + regulatory T cells whose primary target point is dendritic cell also have various functions such as affecting dendritic cells'maturing,restraining dendritic cells'antigen presentation to T cells,inhibiting the activation of T cells in non-specific ways and inducing immune tolerance.Current research shows,dendritic cells and CD4 + CD25 + regulatory T cells regard each other as target point and work synergetically.Here we mainly discuss the function and interaction of dendritic cells and CD4 + CD25 + regulatory T cells in the immune tolerance.

OBJECTIVE:To study the protective effects of autophagy inhibitor 3-Methyladenine (3-MA) against lipopolysac-charide(LPS)-induced acute lung injury in mice and its mechanism. METHODS:Mice were randomly divided into normal control group,model group (LPS 15 mg/kg),drug control group (3-MA 20 mg/kg),low-dose and high-dose groups (LPS 15 mg/kg+3-MA 20,40 mg/kg),with 10 mice in each group. Except for normal control group and drug control group,other groups were giv-en LPS intraperitoneally to induce acute lung injury model,and drug control group and low-dose and high-dose groups were given equivalent dose of 3-MA intraperitoneally 1 h before modeling. 6 h after modeling,lung wet/drug mass ratio (W/D) was deter-mined respectively,and pathology change of lung tissue was observed by HE staining. TNF-α,NF-κB p65,LC3BⅡ/Ⅰ and Cleaved-caspase-3 protein expression were detected by Western blot. RESULTS:Compared with normal control group,W/D, TNF-α,NF-κB p65,LC3BⅡ/Ⅰ and Cleaved-caspase-3 protein expression increased in model group (P<0.01). Compared with model group,W/D,the expression of TNF-α,NF-κB p65,LC3BⅡ/Ⅰ and Cleaved-caspase-3 protein decreased in low-dose group (P<0.05),white just only LC3BⅡ/Ⅰ protein decreased high-dose group(P<0.01). CONCLUSIONS:In LPS-induced acute lung injury model in mice,the excessive autophagy could activate the NF-κB pathway and involve the inflammatory responses and induce lung cells apoptosis. The moderate autophagy inhibition by 3-MA can ameliorate inflammatory response and protect lung tissue.

ObjectiveTo investigate the expression and clinical significance of heat shock transcription factor 1 (HSF1) protein in human hepatocellular carcinoma (HCC) tissues,and deduce the probable molecular mechanism of HSF1 in the development and advancement of HCC.MethodsSixty-seven samples of HCC tissue and 21 samples of normal liver tissue were obtained from March 2006 to March 2007 at the Xijing Hospital.The expressions of HSF1 protein and heat shock protein 70 (HSP70) were detected by using immunohistochemistry.The probable molecular mechanism of HSF1 in the development and advancement of HCC was deduced according to the relationship between the expressions of HSF1 protein and HSP70.Positive rates of HSF1 protein in different tissues and the relationship between HSF1 protein expression in the HCC tissues and clinical pathological factors were analyzed by the chi-square test and by calculating Fisher exact probability,respectively.The correlation between the expressions of HSF1 protein and HSP70 in the HCC tissue was analyzed by the Spearman correlation coefficient.The survival curve was drawn by the Kaplan-Meier method,and the survival rate was analyzed by the Log-rank test.ResultsThe positive rates of HSF1 protein expression was 69％ (46/67) in the HCC tissue,which was significantly higher than 29％ (6/21) in the normal liver tissue ( x2 =10.628,P ＜ 0.05 ),The positive rates of HSP70 expression in the HCC tissue was 57％ (38/67),which was significantly higher than 24％ (5/21) in the normal liver tissue ( x2 =6.929,P ＜ 0.05 ).The expression of HSF1 protein in the HCC tissue was positively correlated with that of HSP70 (r=0.319,P ＜0.05).The high expression of HSF1 protein was correlated with the integrity of capsule of HCC,tumor differentiation and TNM stage (x2 =5.935,9.762,5.159,11.267,P＜0.05 ),while the high expression of HSF1 protein was not correlated with the gender,age,levels of hepatitis B surface antigen and alpha fetoprotein,and portal vein tumor thrombus ( x2 =0.822,0.172,2.059,P ＞0.05 ).The survival time was (21.4 ± 1.9 )months for patients with positive HSF1 protein expression and (29.8 ± 2.7 ) months for patients with negative HSF1 protein expression.There was a significant difference in the survival time between patients with positive and negative HSF1 protein expression ( x2 =4.276,P ＜ 0.05 ).Conclusions HSF1 is correlated with the development,advancement,invasion,metastasis and malignant prognosis of HCC.HSF1 takes effects by regulating the expression of HSP70,and it has a good perspective of clinical application for the diagnosis and treatment of HCC.

Objective To observe the reception of using pig bone marrow stromal cells (BMSCs) that were transfected with human tissue factor pathway inhibitor (TFPI) to resolve the dysregulation of coagulation after liver xenotransplantation.Methods Pig BMSCs were immortalized by transfection with lentivirus containing SV40T and then transfection with human TFPI.At last the cells were tested for their ability to inhibit clotting in a model by co-incubation of human plasma,human monocytes and pig aortic endothelial cells.Results After transfection with SV40T,pig BMSCs were immortalized and similar to primary cells.The immortalized pig BMSCs showed a stable TFPI expression after transfection with human TFPI by lentivirus.Moreover,they showed the potential of regulating coagulation dysregulation in vitro.Conclusion Pig BMSCs transfected with human TFPI could solve the regulation dysregulation caused by TF activation effectively,and have the potential of resolving coagulation dysregulation in liver xenotransplantation.

BACKGROUND AND OBJECTIVEVideo-assisted thoracoscopic surgery (VATS) has been widely used in the diagnosis and treatment of chest diseases. The aim of this study was to explore the feasibility and clinical value of lobectomy with single utility port complete VATS.

METHODSFrom September 2009 to December 2009, 21 cases underwent lobectomy with single utility port complete VATS. Of 21 patients, right upper lobectomy was 12 cases, left lower lobectomy 5 cases, right lower lobectomy 2 cases, left upper lobectomy 1 case, right middle lobectomy 1 case.

RESULTSThe operation process were smooth in all patients and without conversion to thoracotomy. The mean operative time was (132.7 +/- 16.2) min and the mean intraoperative blood loss was (110.5 +/- 24.6) mL. The average chest tube drainage time was (3.1 +/- 1.3) d, and the mean hospitalization day was (5.2 +/- 3.2) d. All patients recovered smoothly and without severe complications. There were no post-operative deaths.

CONCLUSIONLobectomy with single utility port VATS is technically feasible and has the advantages of minimal invasive and rapid recovery.

Adult ; Aged ; Female ; Humans ; Lung Neoplasms ; surgery ; Male ; Middle Aged ; Pneumonectomy ; methods ; Thoracic Surgery, Video-Assisted ; methods ; Treatment Outcome

BACKGROUND: Chronic noise exposure is one environmental hazard that is associated with genetic susceptibility factors that increase Alzheimer's disease (AD) pathogenesis. However, the comprehensive understanding of the link between chronic noise stress and AD is limited. Herein, we investigated the effects of chronic noise exposure on AD-like changes in senescence-accelerated mouse prone 8 (SAMP8). METHODS: A total of 30 male SAMP8 mice were randomly divided into the noise-exposed group, the control group, and aging group (positive controls), and mice in the exposure group were exposed to 98 dB SPL white noise for 30 consecutive days. Transcriptome analysis and AD-like neuropathology of hippocampus were examined by RNA sequencing and immunoblotting. Enzyme-linked immunosorbent assay and real-time PCR were used to further determine the differential gene expression and explore the underlying mechanisms of chronic noise exposure in relation to AD at the genome level. RESULTS: Chronic noise exposure led to amyloid beta accumulation and increased the hyperphosphorylation of tau at the Ser202 and Ser404 sites in young SAMP8 mice; similar observations were noted in aging SAMP8 mice. We identified 21 protein-coding transcripts that were differentially expressed: 6 were downregulated and 15 were upregulated after chronic noise exposure; 8 genes were related to AD. qPCR results indicated that the expression of Arc, Egr1, Egr2, Fos, Nauk1, and Per2 were significantly high in the noise exposure group. These outcomes mirrored the results of the RNA sequencing data. CONCLUSIONS These findings further revealed that chronic noise exposure exacerbated aging-like impairment in the hippocampus of the SAMP8 mice and that the protein-coding transcripts discovered in the study may be key candidate regulators involved in environment-gene interactions.

Organ shortage has become one of the major challenges hindering the development of organ transplantation. Xenotransplantation is one of the most valuable methods to resolve global organ shortage. In recent years, the development of genetic engineering technique and research and development of new immunosuppressant have provided novel theoretical basis for xenotransplantation. International scholars have successively carried out researches on xenotransplantation in genetically modified pigs to non-human primates or brain death recipients, making certain substantial progresses. However, most of the researches are still in the preclinical stage, far from clinical application. Therefore, according to the latest preclinical experimental research progress at home and abroad, the history of xenotransplantation, the development of gene modification technology, xenotransplantation rejection and immunosuppression regimens were reviewed, aiming to provide reference for subsequent research of xenotransplantation, promote clinical application of xenotransplantation and bring benefits to more patients with end-stage diseases.