Breast cancer metastasis suppressor 1(BRMS1)can suppress the tumor cells metastasis. and significantly reduces the metastasis without affecting tumor growth. The relevant mechanism(s)may be related to intercellular communication, phosphoinositide signal transduction and interaction with NF-KB, and so on. Therefore, exploring the mechanisms of inhibition of tumor metastasis might be helpful for use of BRMS1 as tumor gene therapy.

Objective To investigate expression of VEGF and the in vitro angiogenesis ability induced by ovarian cancer cells after RNA interference on expression of matrix metalloproteinase-2 (MMP-2)gene.Methods One specific target sequence of MMP-2 and one non-specific sequence (NC group) were chosen,the DMEM as blank group.After transfection of ovarian cancer OVCAR-3 cells,mRNA and protein expression of MMP-2 and VEGF genes were examined by RT-PCR and Western blot analysis,and the angiogenesis ability was detected by in vitro angiogenic assay.Results When compared with the NC group,the mRNA expression of MMP-2 and VEGF were decreased by 78.8 ％ and 75.5 ％ (P ＜ 0.05) in 48 h after transfected,respectively,and protein expression was decreased by 81.2 ％ and 78.3 ％ (P ＜ 0.05) at the same time point.In vitro angiogenic assay suggested that the ability of angiogenesis was inhibited when down-regulated of MMP-2 gene (P ＜ 0.05).Conclusion Down-regulation of MMP-2 gene in ovarian cancer cells by RNA interference could inhibit its VEGF expression and in vitro angiogenesis induced by ovarian cancer cells,which suggestes that the inhibition of MMP-2 gene has an anti-angiogenesis effect,and MMP-2 gene could be a potential target for ovarian cancer gene-therapy.

Objective To investigate the inhibitory effects of RNA interference (RNAi) on the expression of matrix metalloproteinase-2 (MMP-2) gene and growth, adhesion,invasiveness and migration of ovarian cancer cells. Methods One specific target sequence of MMP-2 gone and one non-specific sequence (NC group) were chosen,the medium DMEM as blank group.After transfection of ovarian cancer OVCAR-3 cells, the RT-PCR and Western blot were used to detect mRNA and protein expression of MMP-2 gene, the growth ability was detected by MTT assay, the abilities of adhesion was detected by cell adhesion assay, the invasion and migration were detected by Matrigel invasion assay and wound healing assay. Results By contrast to the NC group,the mRNA expression was decreased by 73.8 ％,78.8 ％ and 78.4 ％(P＜ 0.05) in 24 h,48 h and 72 h after transfection and protein expression was decreased by 72.6 ％,81.2 ％ and 76.4 ％(P＜ 0.05) respectively at the same time. The 48 h group had the most efficient inhibitory effect. Cell growth curve revealed that cell growth was not significantly inhibited (P＞ 0.05). Adhesion was significantly reduced,the inhibitory rate was 55.0 ％ at 60 min and 44.8 ％ at 90 min (P＜ 0.05),respectively. Invasion and migration were significantly reduced as well,the inhibitory rate on invasion and migration were 29.7 ％ and 35.8 ％(P＜0.05), respectively. Conclusion siRNA mediated MMP-2 down-regulation in ovarian OVCAR-3 cells can inhibits its adhesion,invasion and migration,but do not significantly affect its growth,suggesting a important target to ovarian cancer gene-therapies.

Purpose To explore the relationship between the change of space anterior to right portal vein and the pathological staging in liver ifbrosis/cirrhosis. Materials and Methods Plain and contrast enhanced CT scan were performed in patients with biopsy proven liver ifbrosis/cirrhosis including S1 in 17 patients, S2 in 13 patients, S3 in 15 patients, S4 in 21 patients and cirrhosis in 22 patients. Twenty subjects were included as control group. The width of anterior space of right portal vein was measured on contrast enhanced CT and correlated with ifbrosis staging. The receiver operating characteristic curve was created for cirrhosis diagnosis. Results The width of anterior space of right portal vein enlarged in patients with S3 ifbrosis to cirrhosis (P<0.05 or P<0.01). It was signiifcantly bigger in group S4 compared to other groups (P<0.01). Spearman rank correlation analysis showed significant positive correlation between the width of anterior space and liver fibrosis staging (r=0.704, P<0.01). ROC curve analysis showed the area under curve (AUC) of 0.897 with the optimum width of ≥10 mm. Conclusion The change in the space anterior to the right portal vein is positively correlated with live ifbrosis staging. CT measurement helps early diagnose and assess the severity of liver ifbrosis and cirrhosis.

Though the study on ecology of Chinese traditional medicinal resources methods has achieved great progress in recent years, it is not able to catch the pace of the development of ecology science. Based on the analysis of recent literatures about ecology development trend and Chinese traditional medicinal ecology methods, the progress of Chinese traditional medicinal ecology methods was reviewed, and future study trend was discussed.
Conservation of Natural Resources ; Ecology ; methods ; Medicine, Chinese Traditional ; Research ; trends ; Research Design

Objective: To improve the social skills of children with ASD by using Program for the Education and Enrichment of Relational Skills(PEERS ), and to reduce the uncertainty towards ASD and negative emotions for mothers of ASD children. Methods: From September to October 2017, 30 dyads of autistic mother and child were recruited and divided into intervention group and control group (15 mother child dyads each). Based on the content of PEERS social skill, cognitive behavior therapy was delivered in group format, through demonstration, role play and group exercise. At the same time, mother child dyads were trained using parallel social technology. Mothers and children with ASD were investigated using Parents Perception of Uncertainty Scale (PPUS), Patient Health Questionnaire 9 (PHQ-9), Chinese Version of the Beck Depression Inventory II(BDI-Ⅱ-C), Beck Anxiety Inventory (BAI), State Trait Anxiety Inventory(STAI-Form Y), and Autism Behavior Checklist (ABC), Cildhood Autism Rating Scale (CARS), and Social Communication Questionnaire (SCQ). Results: Changes in ASD symptom score in children and emotional score of mothers in the intervention group were less than 0. The total score of mother disease uncertainty(74.93±13.58, 90.40± 9.21 ), ambiguity(31.13±7.07, 38.93±4.73), lack of clarity information(11.93±2.09, 13.80±2.54), unpredictability(9.60±1.99, 12.07±2.89), significantly changed after intervention( t =-3.65, -3.55, -2.20, -2.72, P <0.05). Conclusion Social PEERS group intervention can enhance the social skills of children with ASD, reduce uncertainty of illness among mother of ASD children. Timely disease related information, guidance for mothers to actively participate in child care and training, might help to reduce cognitive bias, depressive and anxiety symptoms among mothers.

The quality of Chinese herbal medicine is closely related to its producing region. In order to apply mathematical models to do a quantitative study on the suitability of Chinese herbal medicine, it is necessary to study on the ecological factors and the interpolation of climatic data, which influence the Chinese herbal medicine growth. The paper firstly studied the judgment standard of ecological index from the points of ecology and statistics, and how to calculate the optimum range values and the weight of each ecological factor. Secondly, meteorological element data is essential data in analyzing the suitable region of Chinese herbal medicine, and the spatial distribution of meteorological elements is closely related to terrain environment, so, in order to make the results close to true value by the greatest degree. The paper adopted multiple linear regression interpolation method which based on DEM. The paper distinguished the factor system of suitable region and interpolation on the point of datumization, and made a study on it about some key issues.
Adaptation, Biological ; Drugs, Chinese Herbal ; Ecology ; Environment ; Geographic Information Systems ; Models, Theoretical