Humans ; Infectious Disease Transmission, Vertical ; prevention & control ; Kidney Diseases ; prevention & control ; virology ; Viruses ; pathogenicity

Child ; Connective Tissue Diseases ; complications ; diagnosis ; therapy ; Humans ; Hypertension, Pulmonary ; diagnosis ; etiology ; therapy

Diagnosis, Differential ; Family Health ; Genetic Predisposition to Disease ; genetics ; Glomerulonephritis, IGA ; diagnosis ; genetics ; HLA Antigens ; genetics ; Humans

Animals ; Carcinogenicity Tests ; Cytotoxicity Tests, Immunologic ; Humans ; Mutagenicity Tests ; Soot ; toxicity

Antibodies, Antiphospholipid ; immunology ; therapeutic use ; Antiphospholipid Syndrome ; diagnosis ; immunology ; therapy ; Child ; Humans

Carbazoles ; therapeutic use ; Child, Preschool ; Heart Failure ; complications ; drug therapy ; Humans ; Male ; Propanolamines ; therapeutic use ; Takayasu Arteritis ; complications ; drug therapy ; Vasodilator Agents ; therapeutic use

Air Pollutants, Occupational ; analysis ; Chromatography, Gas ; methods ; Fluorocarbon Polymers ; analysis ; Workplace

Based on the analysis of the status quo and development trends of disaster medicine system abroad along with a summary of the present conditions and inadequacies of the same system in China, this paper proposes to build such a system in Hainan Province. It studied, with reference to the specifics of Hainan Province, the characteristics of such a system in the province, involving such aspects as hospital setup, human resource development, construction of research centers, professional training,management of disease control centers, improvement of the hospital self-rescue system, reliable supply of drugs and medical devices, maintenance of disaster medicine information system, logistics support,improvement of assessment system, establishment of rescue-oriented culture, and psychology crisis intervention and promotions.

AIM: To investigate the inhibitory effect of arsenic trioxide on human glioma cell line U251 growth, change of gene expression and intracellular calcium content. METHODS: MTT method was used to observe the growth inhibition effect. Cell cycle, positive rate of proliferation cell nuclear antigen (PCNA), apoptosis associated protein Fas and Bcl-2, and intracellular calcium ion (IECa~ 2+ ) levels were measured by flow cytometry in U251 cells treated with different doses of As_2O_3. Apoptosis was detected with annexin V-FITC+PI dual parameter. RESULTS: As_2O_3 inhibited the growth of U251 cells dramatically. There were obvious dosage-effect and time-effect correlations (P0.05). The cell cycle was arrested in G_2M phase. Apoptosis occurred in U251 cells treated with As_2O_3 by annexin V-FITC+PI dual parameter detection. CONCLUSION: As_2O_3 inhibits the growth of U251 cells in vitro dramatically and induces apoptosis. The mechanism is probably associated with the improvement of Fas expression and IECa~ 2+ levels, decrease in PCNA protein expression and cell cycle arrest.