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| 1 | Studied microRNA gene expression in human hepatocellular carcinoma by micro RNA microarray techniques显示文摘AIM: To achieve a better understanding of the molecular mechanisms of micro RNA expression changes involved in hepatocellular carcinoma.METHODS: In this research process, patients were not treated with antivirals, immunosuppressants or immunomodulators for at least 6 mo before collecting serum. The study population was composed of 35 outpatient hepatitis B virus(HBV) cases and 12 healthy control cases from the Affiliated Hospital of Inner Mongolia Medical University(Inner Mongolia, China) from July 2013 to April 2014. The 35 HBV cases were divided into two groups: a hepatocirrhosis group with 20 cases and a liver cancer group with 15 cases. All 35 cases carried HBs Ag. The diagnostic criteria followed the European Association for the Study of the Liver 2012(EASL2012) standards. Micro RNA(mi RNA) was extracted from a control group of patients, a group with hepatocirrhosis and a group with liver cancer and its quality was analyzed using the human V2 micro RNA expression beadchip. Cluster analysis and a radar chart were then applied to the mi RNA changes.RESULTS: The mi RNA-qualified rate of human serum samples was 93%. The concentration of a single sample was > 200 ng/μL and the volume was > 5 μL.All mi RNA serum samples were uncontaminated by the genome. The Mann-Whitney test showed significant differences in mi RNA between each group, with a detection P-value of < 0.05. Illumina software was set up with Diff Score set to ± 13, meaning that P = 0.001.There were significant changes in mi RNA expression between the three groups. mi RNA-183 was the most up-regulated, followed by mi RNA-373. mi RNA-129 and mi RNA-188 were both strongly down-regulated and mi RNA-378 was down-regulated a small amount. The liver cancer group had greater changes, which indicated that changes in mi RNA expression levels were caused by hepatocirrhosis. The liver cancer disease course then further increased these changes. In the pentagon created by these five mi RNAs, three groups showed significant deviation. The liver cancer group had a bigger deviation trend. The chart indicated that mi RNA expression changes occurred in the hepatocirrhosis group, which increased in the liver cancer disease course and were irreversible.CONCLUSION: There was a significant relationship between the irreversible up-regulation of mi RNA-183/373 and down-regulation of mi RNA-129/188/378 and incidences of hepatocirrhosis and liver cancer. | Jian-Xiang Niu Xing-Kai Meng Jian-Jun Ren | 2015 | World Journal of Gastroenterology2015，21，44： | 6 |
| 2 | Three decades of hepatitis B control with vaccination显示文摘Hepatitis B virus(HBV) continues to represent a major health problem and can lead to acute liver failure, acute hepatitis, chronic carriership, chronic hepatitis of HBV, liver cirrhosis, liver cancer, liver transplantation and death. There is a marked difference in the geographic distribution of carriers. More than 240 million people worldwide are chronic HBV carriers. Mother-to-child transmission remains the most important mechanism of infection in countries with a high prevalence of HBV. Percutaneous/parenteral transmission and unsafe sexual practices are important mode of spread transmission of HBV in other countries. Vaccination against HBV is the gold measure for primary prevention and control of the disease. Currently, 179 countries have added HBV vaccination to their routine vaccination programs with great results. Neonatal immunization with HBV vaccine has been one of the most highly effective measures in public health and the first anti-cancer program to be launched. In this paper we review the achievements for the last three decades. | Liliane C Meireles Rui Tato Marinho Pierre Van Damme | 2015 | World Journal of Hepatology2015，7，18： | 5 |
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