Quorum sensing is defined as the cell density-dependent regulation of gene expression, and the involved system is the quorum sensing system, in which N-acyl homoserine lactone is known as the signal molecules of most gram-negative organisms. It can regulate diverse physiological functions. This paper reviewed the quorum sensing systems and the recent advances which play a major role in the formation of the symbiosis between the rhizobia and their host plants.

Astrocyte elevated gene 1 (AEG-l), an important oncogene, has been confirmed to play a crucial role in progression (invasion, metastasis, angiogenesis and chemoresistance, etc) of multiple cancers. Over the past decade, studies have shown that AEG-l is overexpressed in cancers involving almost all organs, including neuroblastoma, melanoma, HCC, breast, prostate cancer, etc. Moreover, AEG-l is associated with multiple pathways including PI3/Akt and nuclear factor-kappa;B; (NF-kappa;B;). This review mainly outlines the multiple regulating role of AEG-l in the development and progression of tumor and to discuss its role as a novel target for treatment of malignant tumors.

Heart Septal Defects, Atrial ; complications ; Humans ; Infant, Newborn ; Male ; Nasal Polyps ; complications ; congenital ; Nasopharyngeal Diseases ; complications ; congenital

Objective To improve the accuracy of diagnosis of the greater omentum blunt trauma(GOBT)by analyzing the MSCT findings and pathological features.Methods The MSCT appearances of 5 1 cases of GOBT with operation and (or)pathological con-firmed were analyzed retrospectively.All patients were underwent MSCT plain scan in whole abdomen.Two experienced radiolo-gists blinded to the clinical diagnosis,reached a diagnosis from the MSCT findings by two ways of plain and plain joint post-process-ing MSCT images.The detection rates of GOBT were compared by two-related-samples Fisher exact probability chi-square test.Re-sults Fifty-one cases of GOBT were distributed over the intestine,in the superior abdominal cavity,the left and the right abdominal cavity,those cases were 27,18,3 and 3 respectively.The MSCT findings of GOBT mainly consist of greater omentum(GO)streak-ing,GO hematoma and fluid around GO.Those detectable rates were 80.3%,68.6%and 90.2 % respectively.The accuracy in di-agnosis of GOBT with MSCT was 94.1%(48/51)in our study.The detection rate of GOBT by two ways was significant (P=0.04).The detection rate of GOBT was increased obviously by the way of plain joint post-processing MSCT images.Conclusion MSCT manifestations of GOBT has some characteristics.A more accurate diagnosis of GOBT could be made according to the MSCT findings by plain joint post-processing MSCT images.

Chinese medical thesaurus was constructed setting knowledge element as the core and knowledge classification as the basis. In making the full use of our previous traditional knowledge classification research on traditional knowledge protection of TCM, the ancient literature of TCM knowledge classification system was constructed. The construction of TCM ancient books thesaurus plays a vital role in ancient Chinese medicine resource description, intelligent retrieval and knowledge discovery. This article disscussed the necessity of constructing Chinese medical thesaurus and the problems need to pay attention to in the process of building from three points of the Chinese medical thesaurus construction idea, plan, and the relevant system construction.

Objective To evaluate the viability of Cryptococcus in cerebrospinal fluid of patients with cryptococcal meningitis.Methods Electron microscopy,animal inocul ation and neutral red staining of the cere-brospinal fluid specimens were empl oyed.Results Transmission electron microscopy r evealed intact cells and budding cells of cryptococcus which appeared frequently during the early treatment.Edema of cytoplasm and d isar-rangement of structure of capsule we re often found during the later thera py.All mice inoculated experimenta lly with the cerebrospinal fluid specimens were positive on direct examination b ut negative in routine culture were i nfected.A definite number of deep blood-red fu ngal cells were observed in many spec imens.Conclusion These findings add a new approach for dynamic studying o f the viability of Cryptococcus in cerebrospinal fluid of patients with Crypto-coccal meningitis and provide an imp ortant parameter for evaluating therapeutic effect.

Objective To investigate the effect of simvastatin and aspirin on atherosclerosis and its effect on non endothelium dependent diastolic function(NMD)and blood lipid in patients.Methods Retrospective analyzed a total of 95 the clinical data of patients with atherosclerosis treated in Tianjin Baodi Hospital from August 2014 to May 2016.The patients were divided into simvastatin group and combined treatment group according to their treatment methods,simvastatin group was given simvastatin,combined treatment group was given aspirin on the basis of simvastatin.After four weeks treatment,the difference of plaque quantity,NMD and blood lipid between the two groups were observed.Results After treatment,the size and number of plaques in the combined treatment group were smaller than those in the simvastatin group,the difference was statistically significant(P<0.05),the NMD level in the combined treatment group was significantly higher than that in the simvastatin group,the difference was statistically significant(P<0.05),the levels of IL-18,IL-6 and hs-CRP in the combined treatment group were lower than those in the simvastatin group,the difference was statistically significant(P<0.05),the levels of LDL-C,TG and TC in the combined treatment group were lower than those in the simvastatin group,HDL-C levels were higher than simvastatin group,the difference was statistically significant(P<0.05).Conclusion Simvastatin combined with aspirin can significantly improve the endothelium dependent diastolic function and lipid level in patients with atherosclerosis,and has good therapeutic effect.

or =70years of age) with advanced non-small-cell lung cancer. Single agent vinorelbine should be selective chemotherapy in elderly patients with advanced non-small-cell lung cancer.

By combining clinical observation and animal experiments and using FASCO - 3010 hemorheological devices to examine the relevant indices, it was found that no obvious changes can be found in the group treated with hormone before and after the treatment, whereas in the group with traditional drugs added, the RBC deformation, and specific viscosity of plasma were all markedly lowered. Comparison of rheological changes in SD rat showed that traditional Chinese drugs can markedly improve the hemorheology in such patients, indicating that these TCM treating principles can improve the concentrated, viscous, coagulated, agglutinated pathological blood status in SLE patients.

This paper elaborates on the significance of'birth,growth,transformation,harvest,store'from the theory of TCM fi ve elements.Then it mainly discusses the harmonious development of five aspects of TCM science in research,education,market,hospitals and infrastructure from the view of respective functions of'birth,growth,transformation,harvest,store'and the TCM idea that conforming to certain climate can help people keep healthy.Finally,the paper indicates that it is necessary for the government to guide and adjust the development of TCM in different stage from a dynamic view.