Objective: To investigate the expression of metastatic suppressor Kangai 1 (KAI1) expression in the primary gallbladder carcinoma and its clinical significance. Methods: The clinical stages of 35 primary gallbladder carcinoma patients were determined according to the TNM criteria of International Union Against Cancer (UICC). Histopathologic changes and the expressions of KAI1 were detected by H-E and immunohistochemical methods, respectively. All the patients were followed up for 3 years. Results: It was found that 1 patient had carcinoma in situ (0 stage), 13 had early carcinoma (I-II stage), and 21 had intermediate or advanced carcinoma (III-IV stage). Histopathologic grading showed that 14 patients had well-differentiated carcinomas, 10 had moderately differentiated ones, and 11 had poorly differentiated ones. Immunohistochemical results revealed that 60.00% (21/35) of the patients were positive of KAI1, with the positive rate being 92.31% (12/13) in early carcinoma (I-II stage) and 42.86% (9/21) in intermediate and advanced carcinoma (III-IV stage), and the former was significantly higher than the latter (Pexact=0.00 476). The positive rate of KAI1 protein was negatively correlated with the clinical staging of patients (Ptrend=0.004) and positively correlated with histopathologic grading (Ptrend=0.001). The positive rate of KAI1 protein in well differentiated carcinoma was 92.86% (13/14), in moderately differentiated carcinoma was 60.00% (6/10), and in poorly differentiated carcinoma was 18.18% (2/11)(Pexact=0.000 475 between the 3 groups). The positive rate of KAI1 protein was 89.47% (17/ 19) in 19 survival patients and 25.00% (4/16) in 16 death cases. Obvious significance of the expression of KAI1 protein was found between the 2 groups (P=0.001). Conclusion: The positive rate of KAI1 is negatively correlated with the clinical staging but positively correlated with the histopathologic grading in patients with primary gallbladder carcinoma. The high expression of KAI1 genes may indicate a better prognosis of gallbladder carcinoma.

To enhance the capacity for extending and applying appropriate health technologies in rural areas in China,this paper proposes a supportive policy system that incoperates macro,average and microlevels. Thepolicysystemfocusesonorientation, incentives, regulationsand standardization,and its objectives and measures of each level are described.The policy system will contribute to the sustainable development rural health work.

This paper reviews the development of appropriate health technology policy from 1992 to 2012 in Zhejiang province.The evolvement of recent twenty years is classified into several stages and each is analysed and evaluated.This study provides reference for the establishment of appropriate health technology policy and the transformation of science and technology policy across the country.

Objective To explore the method for differentiation induction of leukemia cells into dendritic cells(DC) by A23187 in vitro. Methods Chronic myeloid leukemia K562 cells were cultured with A23187 or cytokine to induce differentiation and form DC. The morphologic features of cells were observed under inverted microscope, the changes of DC surface marks were determined by flow cytometry and RT-PCR, the ability to stimulate lymphocyte proliferation was tested by MTT colorimetry. Results Under the condition of the does (385 ng/ml) of A23187 for four days, some of K562 cells were found in typical dendritic appearance.The expression of DC markers CD1a,CD83 ,HLA-DR,CD86 and CD80 was 6.65 ±2.70,7.37 ±2.40,6.24 ±4.29, 21.60 ± 3.84, 18.52 ± 4.48 repectively, and increased obviously compared with the negative control group(2.80 ±0.52,1.85 ±0.56,2.25 ±0.47,6.69 ±0.83,9.96 ±3.53). The differences had statistical significance (P < 0.05). K562 cells derived from DC acquired the ability to stimulate lymphocyte proliferation.Conclusion A23187 can induce the leukemia cells differenntiation into activated DC-like cells rapidly.

Objective: To explore the cause and the strategy for air quantity signaling in old patients using mechanic air. Method: Summary and analysis of the causes for air quantity signaling in 187 cases of old patients using respiratory machine. Results: One hundred fifty-one cases showed low-limited air quantity signaling per minute whereas 36 cases presented high-limited air quantity signaling per minute. Conclusion: Judging and removing the obstacle in respiratory machine on time and accurately are the key point raising both the survival rate of severe patients and the successful rate of mechanic air.

Adolescent ; Adult ; Aged ; Aged, 80 and over ; Child ; Child, Preschool ; DNA, Neoplasm ; genetics ; Female ; Gene Rearrangement, B-Lymphocyte, Heavy Chain ; Humans ; Immunoglobulin Heavy Chains ; genetics ; Infant ; Lymphoma, B-Cell ; diagnosis ; genetics ; Lymphoma, Large B-Cell, Diffuse ; diagnosis ; genetics ; Male ; Middle Aged ; Paraffin Embedding ; Polymerase Chain Reaction ; Young Adult

In 2012, a new SARS-like coronavirus emerged in the Middle East, namely the Middle East respiratory syndrome coronavirus (MERS-CoV). It has caused outbreaks with high mortality. During infection of target cell, MERS-CoV S protein S1 subunit binds to the cellular receptor (DPP4), and its S2 subunit HR1 and HR2 regions intact with each other to form a stable six-helix bundle to mediate the fusion between virus and target cell membranes. Hence, blocking the process of six-helix bundle formation can effectively inhibit MERS-CoV entry into the target cells. This review focuses on the recent advance in the development of peptidic entry inhibitors targeting the MERS-CoV S2 subunit.
Antiviral Agents ; pharmacology ; Coronavirus Infections ; drug therapy ; Dipeptidyl Peptidase 4 ; metabolism ; Drug Design ; Humans ; Middle East Respiratory Syndrome Coronavirus ; drug effects ; physiology ; Peptides ; pharmacology ; Spike Glycoprotein, Coronavirus ; metabolism ; Virus Internalization ; drug effects

Objective To study the molecular regulation mechanism of VEGF in the model of ATRA induced differentiation in HL-60 cells,and to provide new targets for leukemia anti-angiogenic therapy.Methods The morphology was observed by Wright-Gimesa staining; HL-60 cells differentiation was detected by NBT reduction experiment.VEGF,STAT3,c-myc mRNAs were measured by reverse transcription-PCR;VEGF,STAT3 and c-myc proteins were determined by Western blot.Results The proliferation of HL-60 cells was inhibited obviously by ATRA(1 μmol/L) with the induction of differentiation,NBT positive rate was 82.59％ (t =-24.157,P ＜ 0.01) ; VEGF mRNA (t =7.339,P ＜ 0.05),STAT3 mRNA (t =3.667,P ＜0.05) and c-myc mRNA (t =6.858,P ＜ 0.05) were all down-regulated.VEGF protein (t =3.386,P ＜0.05),STAT3 protein(t =4.074,P ＜ 0.05) and c-myc protein (t =3.333,P ＜ 0.05) were all down-regulated.Conclusion VEGF expression level is reduced with the procession of differentiation of HL-60 cells,which may be largely correlated with the down regulation of STAT3 and c-myc.

The need analysis of information resource for appropriate health technologies is important for the related information transmission channel and promotion of those technologies at primary level.This paper introduces the current status of the information resource construction of appropriate health technologies in China,and analyzes the needs and means of transmission in terms of users,holders and spreader,taking Zhejiang as an example.Methods of literature review,questionnaire survey,interview,and symposium were employed.

Objective Establish an overall performance evaluation index system for innovative medical devices transforming project,a major science and technology project in Zhejiang province.Methods The weight of indexes was calculated using Delphi method,analytic hierarchy process and weight of percentile method.Results A three-level performance evaluation index system was established.First level included 3 indexes,as condition index,process index and result index,with weight of 0.3401、0.4042 and 0.2557 respectively.Meanwhile,second level and third level included 13 and 38 indexes.Conclusions The index system provide a performance evaluation tool for the innovative medical devices transforming project.