This review aims to explore the mechanism of occurrence and progression of lymphatic metastasis of cancer and its role in cancer therapy. The pace of research into lymphatic system continues to accelerate with the availability of lymphatic molecular markers, such as lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1), the lymphatic receptor for hyaluronan. Recently, biological functions of LYVE-1 and its role in cancer metastasis have become the focus of worldwide attention. Clarification of the precise role of LYVE-1 in lymphatic metastasis is of great significance in exploring novel cancer treatment. This paper reviews the progress in LYVE-1 related to lymphatic metastasis of cancer. Copyright © 2013 by TUMOR.

Objective To analyze effect of three level nursing quality control management model on the quality of the nursing service in the department of general surgery.Methods Analysis in the implementation of nurs-ing quality control before and after nursing quality and the improvement of the examination results of nurses situation in general surgery department of our hospital were compared between the 2012 -2013 without the implementation of three level quality control mode and 2013 -2014 of establishment of the three level nursing quality control manage-ment mode,which was set the nursing quality monitoring nurses,quality monitoring group leader and quality monito-ring nurses in three level nursing quality control system.Results After the implementation of quality control,the quality of basic nursing score[(94.02 ±2.01)points],ward management quality score[(94.13 ±3.04)points],first aid management quality score[(96.22 ±4.06)points]and disinfection and isolation,and the quality score[(95.13 ± 3.04)points]and quality control of basic nursing quality score[(8.121 ±3.31 )points],ward management quality score[(81.35 ±2.34)points],emergency management quality score [(91.42 ±4.36 )points]and disinfection [(81.74 ±3.44)points]degrees and isolation quality scores were significantly higher than those of before three level quality control nursing management model(t =33.07,33.32,8.06,29.17,all P <0.05).Nursing quality control of nursing personnel the technical operation of the average score [(96.35 ±1.03)points],theory test average score [(95.73 ±0.98)points],average and quality control of nursing personnel and technical operation [(89.42 ± 2.49)points],theory test average score[(90.36 ±1.79)points]were obviously higher.The results had statistical significance (t =25.72,26.32,all P <0.05).Conclusion Three level nursing quality control management model established in the general surgery department had remarkable effect on the quality of the nursing service,which is safe and reliable,and improving the quality of nursing.

Objective To investigate the effect of continuous quality improvement nursing on grasping disease knowledge and satisfaction of patients with thyroid tumors.Methods 86 cases of patients with thyroid cancer were enrolled.They were devided into the observation group(42 cases)and the control group(46 cases)according to the date of admission.Patients in control group were treated with routine care,while patients in the observation group were treated with continuous quality improvement nursing on the basis of the control group.The effects of nursing in the two groups were compared and analysized.Results After intervention,the scores of cognitive thyroid tumors,daily preventive health care,thyroid cancer surgery and surgical considerations in the observation group were higher than those in the control group,theses differences were statistically significant between the two groups (t =9.806,10.271, 9.924,12.053,all P <0.05).The rate of satisfaction in the observation group was significantly higther than that in the control group(92.86%/75.00%),theses difference was statistically significant between the two groups (χ2 =9.025,P <0.05).Conclusion Continuous quality improvement nursing can effectively improve the diseases -related knowledge in patients with thyroid benign tumor,which contributes to the smooth operation and improves surgical results.

OBJECTIVE To look into and analyze the application of antibacterial used in our hospital in order to enhance the rationality of clinical usage. METHODS We conducted the survey by means of picking out examples in numbers within a definite range,looking back at the records with regard to it from Jan 2004 to Dec 2004. RESULTS Altogether there were 5 302 medical records.The percentage of using antibacterial was 70.24%,from which 45.22-36.68% were used two kinds and 8.54% were used more than two kinds.As to the basis,preventive use taken up a large proportion,accounted for 48.93%;the main route was by intravenous injection,which added up to 74.03%.Of the antibacterials applied,the first three were penicillins;aminoglycosides;cephalosporins.The percentage for surgical application was 94.49%,from them 57.14% used 2 or more kinds for treatment of incision of type Ⅰ. CONCLUSIONS It is very necessary and urgent to supervise the management of the rational application of antibacterial.

Objective To observe the pathological changes of hippocampus and myelin in rats with frontal cereberal ischemia and reperfusion after treated with methylcobalamine and to discuss the mechanism of the cerebral protective effect of methylcobalamine.Methods Cerebral ischemia and reperfusion models were made by clamping bilateral carotid arteries.Forty-five male Wistar rats were randomly allocated to sham-operation group,ischemia-reperfusion group and methylcobalamine group(n=15).1,2,4 weeks after reperfusion the rats in each group were divided into three groups(n=5).The pathological changes of hippocampus and myelin were observed by using light microscope,HE staining,LFB staining and electron microscope.Results The pyramidal neurons in hippocampus in ischemia and reperfusion groups expressed putrescence and myelin necrosis or demyelination at 1st week,and the histomorphological changes at 4th week were significant than that at 2nd week.The followings were observed in electron microscope: dimness,partly solubilization and collapsablity in myelin.The pyramidal neurons in hippocampus of therapy groups were similar to normal one and myelin expressed compaction and shipshape.The changes were more obvious at 4th week.Conclusion Methylcobalamine can obviously decrease the ischemia lesion of hippocampus and myelin and protect the brain function.

The nuclear factor of activated T cells (NFAT) - a group of transcription factors ubiquitously expressed in mammalian tissues, plays a critical role in orchestrating the intricate cellular interactions that characterize vertebrate development and morphogenesis. Recently, accumulated evidence points to an emerging role for NFAT transcription factors in cancer progression. Various NFAT isoforms are remarkably functional in tumor cells and multiple compartments in the tumor microenvironment, promoting carcinogenesis and cancer invasion. This review highlights the current knowledge about the role of NFAT in oncobiology, including tumor generation, growth, survival, malignant transformation, invasion, metastasis and angiogenesis. Clarifying the parts played by NFAT in tumor progression will help the development of effective therapeutics that target the NFAT pathway in neoplastic progression and metastasis.

Objective: To evaluate the quality of Moutan Cortex at different growth stages. Methods: Metabonomics based on high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (HPLC/Q-TOF-MS) was applied to find the variation of different growth stages. Results: Forty-six metabolites were identified by MS molecular ions and major fragments in conjugation with literature data. The results of principal component analysis showed that the constituent of Moutan Cortex at three growth stages were obviously different. The levels of 13 metabolites were related to the growth time of Moutan Cortex. One-year-old Moutan Cortex contained higher levels of malic acid and gallic acid, suggesting the requirement of sufficient materials for growth and synthesis of complicated secondary metabolites at the first stage. However, in two- and three-years-old Moutan Cortex the levels of some important active compounds such as paeonol and monoterpene glucosides increased. It could be deduced that within three years grouth, good quality of Moutan Cortex was associated with the longer growth time. Conclusion: These results provide the evidence for the quality evaluation of Moutan Cortex at different growth stages, and demonstrate that metabonomics is a powerful approach for the quality evaluation of traditional Chinese malera medica.

Breath Tests ; methods ; Child ; Humans ; Infant ; Lung Diseases ; diagnosis ; physiopathology ; Lung Volume Measurements ; Maximal Voluntary Ventilation ; Respiratory Function Tests ; Tidal Volume

Objective To observe the effect of triptolide combined with gemcitabine on proliferation and apoptosis of pancreatic cancer cells ,and to analyze the relevant mechanisms .Methods After treated with TPL ,GEM or TPL combined with GEM in vitro , PANC-1 cells proliferation was accessed by MTT assay and the interaction between the two drugs was calculated .Apoptotic mor-phological changes and apoptosis rate of the cells were investigated by Hoechst 33258 staining and flow cytometry ,respectively .The expression of signal transduction and transcription factor 3(STAT3) ,cysteine aspartate specific proteases-3(caspase-3) protein were detected by Western blot analysis .Results TPL ,GEM or TPL combined with GEM could significantly inhibit the prolifera-tion of PANC-1 cells ,and the combination of the two drugs had a synergistic effect .The cells of the TPL group ,GEM group ,as well as the combined group showed typical apoptotic morphological changes .Compared with the TPL group and GEM group ,the number of apoptotic cells of the combined group increased significantly .Compared with the control group ,the cells apoptosis rate of the TPL group ,GEM group and combined group was significantly increased (P< 0 .05) ,and the apoptosis rate of the the combined group was significantly higher than that of the monotherapy group(P<0 .05) .TPL combined with GEM synergistically inhibited p-STAT3 protein expression and activated caspase-3 protein expression .Conclusion TPL combined with GEM can synergistically in-hibit proliferation and induce apoptosis of pancreatic cancer PANC-1 cells ,its mechanism is related to the inhibition of STAT 3 sig-naling pathway ,promotion the expression of caspase-3 protein .

Objectives To investigate medical students' satisfaction degree clinical practice,to find out the shortages of the clinical practice teaching,and to further put forward the measures of clinical practice.Methods By using a selfdesigned questionnaire,115 student interns were surveyed with anonymous questions,to collect data about the satisfaction degree of the hospital teaching conditions,conditions of teachers,practice quality of clinical departments,management department intern management work,the practical effect and views of clinical practice and other information.99 effective copies were retrieved using Excel analyze data.Results Interns' overall satisfaction with clinical practice is not high,and the satisfaction degree to the management department' work is the lowest,the satisfaction degree to the conditions of teachers of hospital is the highest.Conclusion Medical students'clin-ical practice satisfaction needs improving.To this end,we should improve the system and teaching conditions and strengthen management to meet the needs of students and improve their practice quality.