Objective To observe the effect of Galectin -3 gene knock out to the mouse skin tumor growth and discuss the mechanism of inhibition of the mouse cutaneous tumor induced by 12 -o -tetrade-canoylphorbol-13-acetate which caused by Galectin -3 knock out.Methods The DMBA +TPA multi-step induced skin tumor in mice model were used to establish the skin cancer model .The control group was the same age wild type mice .We observed the inhibition of the mouse tumor growth by Galectin -3 knock out .In situ tumor cells were collected and cultured on soft agar for colony formation assay .The side population of the situ cancer cells was analyzed quantitatively by flow cytometry .Results 1.Compared with wild type mice group(group A), Galectin-3 knock out mice group ( group B) displayed a significant delay of the appearance of tumor .The tumor incidence and the average number of tumor per mice between group A and group B had obvious difference ( P<0.01).2.In vitro,data of soft agar colony formation assay showed that colony formation rate in group A are signif -icantly higher than group B(P<0.01).3.The collection and separation of A and B group in situ tumor cells ,u-sing flow cytometry instrument for in situ tumor cell side population quantitative analysis ,group A compared with group B had obvious difference(P<0.01).Conclusion The knock out of the Galectin -3 gene reduces the skin cancer stem cells ,inhibits tumor cell proliferation ,depresses chemical carcinogenesis of mice skin .Galectin-3 gene may become the new target for skin cancer chemotherapy .

Gastric cancer is one of the most common types of cancer worldwide. In China, approximately 42%of new cancer cas-es are documented. However, the prognosis of advanced gastric cancer remains poor because of high recurrence and metastatic rates. In gastric cancer patients with peritoneal metastasis, malignant bowel obstruction (MBO) is often detected. Many of these patients endure excruciating pain because of ineffective diagnosis and treatment. In recent years, the symptoms of many patients with MBO have been effectively relieved after somatostatin and other drugs have been administered. Other patients with MBO have been provided the chance to undergo chemotherapy, and their survival time has been prolonged. Hence, the diagnosis and treatment of these patients could be im-proved by further advancements in basic and clinical research in cancer therapy.

The paper designs and implements an online exercise training system based on B /S mode and introduces the development process of ICD-10 online exercise training system , including the system requirement analysis , functional design , database design , sys-tem implementation and system testing .Moreover, it introduces key technologies used in the development process .

This paper explores into the differences of successful and unsuccessful medical students in their use of English writing strategies.The result of T-test shows that students differ a lot in their use of four writing strategies especially in macro-management strategy and func-tion-focused strategy.Therefore,teachers should pay more attention to the cultivation of au-tonomous use of writing strategy in daily writing courses.

Objective To evaluate the correlations of emphysema and airway wall thickness to chronic obstructive pulmonary disease(COPD) of airflow limitation by quantitative CT.Methods 40 COPD patients and other 40 normal controls underwent pulmonary function tests and following MSCT exams with inspiration.The square root of wall area of an airway with an internal area of 8 mm2 (Ai8) and the percentage of low attenuation volume(LAV%) of the whole lung and each lobes at the threshold of-950 HU were measured by a software of Thoracic VCAR.The Ai8 between the observation group and the control one was compared using SPSS2.2.The contributions of LAV% and Ai8 to predictions of FEV1/FVC and FEV1% were also evaluated.Results There was a significantly statistical difference in the Ai8 between the observation group and the control one.There were correlations between airflow limitation markers and all of LAV% as well as Ai8 (P<0.05 for all standardized coefficients).Only the Ai8 of right inferior lobar made a significant contribution to airflow limitation in the whole lung bronchus, and the LAV% of each lobes made a stronger contribution to airflow limitation than the Ai8 of right inferior lobe.Conclusion There is a significantly statistical difference in the Ai8 between the observation group and the control one.The LAV% may make a greater contribution to airflow limitation than Ai8 in COPD group.The influential factors of airflow limitation in order were LAV%, Ai8 of right inferior lobe and Ai8 of the other lobes.

Objective To investigate the effect of Calponin-1 suppression on human myometrium cells through adenovirus mediated siRNA. Methods Human uterine smooth muscle tissues were digested with enzymes, cultured and confirmed with immunocytochemistry. Aadenovirus siRNA-Calponin-1 plasmid was transfected into primary cultured uterine smooth muscle cells in vitro. The expressions of Calponin-1 mRNA and protein were analyzed by RT-PCR and Western blot, respectively.Results The pAdEasy-pShuttle-U6-Calponin-1 siRNA plasmid was successfully constructed, and Calponin-1 siRNA mediated by recombinant adenovirus resulted in markedly reduced expression of Calponin-1 mRNA and protein in human myometrium cells. The gray values of Calponin-1 mRNA in the uterine smooth muscle cells in the experimental, blank control, and empty vector groups were 316.3±39.2, 1048.5±126.4 and 1027.2±127.5, respectively. The gray values of Calponin-1 protein were 323.3±43.2, 1021.5±143.4, and 1019.2±144.5,respectively. The difference between the experimental group and the blank control group as well as the empty vector group was significant (P< 0.05). There was no significant difference between the empty vector group and the blank control group (P>0.05).Conclusion The pAdEasy-pShuttle-U6-Calponin-1 siRNA plasmid can inhibit the expression of Calponin-1 in human myometrium cells in vitro,which may be a useful approach to determine the role of Calponin-1 in delivery.

A total of 296 patients were randomly divided into short message group (n =153) and non short message group (n =143).The former group received short message service (SMS) for follow-ups while the latter group had routine oral follow-ups.The return visit rate,recall rate of glycosylated hemoglobin (HbA1c),HbAlc level and glucose control rate for diabetics were assessed after one-year follow-up.The return visit rate (96％) and recall rate of HbAlc (78％) in the short message group were significantly higher than those in the non-short message group (59％,25％,P ＜0.01 for both).The HbAlc level after one-year follow-up (6.51 ± 0.74) ％ was lower than that one year before (6.85 ± 1.26) ％ in the short message group.The glucose control rate after one year (82％) were significantly higher than that one year before in the short message group (65％) and that after one year in the non-short message group(59％,P ＜ 0.01).Use of SMS platform system for follow-ups and health education can effectively improve the return visit rate and glucose control rate,lower the HbA1c level.in diabetics.

Objective To set up the quality control standard for Leaf of Chinese Holly; To provide basis for the utilization and development of Leaf of Chinese Holly.Methods Ten batches of Leaf of Chinese Holly samples from different habitats were collected, and the properties were described. The crosscutting and powder of leaf was under microscopic identification. Chlorogenic acid was set as reference substance to conduct thin-layer identification. Moisture, total ash, and acid-insoluble ash of the 10 batches were detected. HPLC was used to detect chlorogenic acid in Leaf of Chinese Holly.Results The properties and microscopic identification were described. Thin-layer chromatography method for chlorogenic acid in Leaf of Chinese Holly was formulated. Check items temporarily required that the moisture in Leaf of Chinese Holly should be less than 13%, total ash less than 13%, and acid-insoluble ash less than 5%. Content determination method for chlorogenic acid in Leaf of Chinese Holly was confirmed. It temporarily required that the content of chlorogenic acid should be more than 0.60%.Conclusion The established method can be used for the formulation of quality control of Leaf of Chinese Holly.

Objective To explore the pathological and imaging characteristics of focal nodular hyperplasia(FNH) of liver.Methods 17 cases of FNH proven pathologically underwent triphase spiral CT scan,of them,10 cases underwent fast MR imaging.The pathological andimaging features were comparatively analysed.Results All lesions were a solitary globular or lobulated mass,the majority of cases wasapproximately 2~5 cm in diameter.On plain CT and MRI,FNH was classically seen as a solitary,homogeneous and slightly hypoattenuating or isoattenuating area in comparison with normal liver,slightly hyper-or isointense on T_2WI,intense homogeneous enhancement during the arterial phase of enhanced imaging,and hyperattenuating in 12 cases,hypoattenuating or isoattenuating in 6 cases in comparison with normal liver during venous and delayed phase.The central scar was showed in 11 cases during delayed phase and 8 cases showed delayed enhancement,4 cases had pseudocapsular like enhancement in delayed images.In histology,17 cases of FNH were well limited but nonencapsulated,the hyperplastic parenchyma of the liver was subdivided into small nodules surrounded by the fibrous septa,there was a central scar composedof fibrous connective tissue and malformed vessels of various caliber.Conclusion The typical FNH can be easily diagnosed,while theatypical cases should be differentiated from hepatocelluar adenoma,hepatocellular carcinoma and hemangiomas.

Three compounds were isolated from solid culture of endophyte Myrothecium roridum IFB-E091 in Artemisia annua. Their structures were determined as (S)-(-)-N-[2-(3-hydroxy-2-oxo-2,3-dihydro-1H-indol-3-yl)-ethyl]-acetamide (1), N-(4-hydroxyphenethyl)acetamide (2) and asperfumoid (3), in which compound 1 was a new indole derivative. In cytotoxicity assay, the compound 1 had no obvious inhibition activity in human hepatoma cell line SMMC-7721 and human cervical carcinoma cell line HeLa.