人類乙型肝炎病毒聚合酶反式調(diào)節(jié)新基因HBVDNAPTP1的克隆表達(dá)與部分功能研究
[Abstract]:The persistent infection of hepatitis B virus is still a global health problem, not only causing acute and chronic viral hepatitis, but also closely related to the occurrence and development of liver fibrosis and hepatocellular carcinoma. However, there is no effective treatment for HBV infection, which is mainly due to the pathogenesis of viral hepatitis caused by HBV infection is still not clear. At present, it is believed that the interaction between the viral genome and its encoded proteins and the genes and proteins of hepatocytes after HBV enters into hepatocytes is the key factor that determines the replication, expression, immune escape, chronic infection, liver fibrosis and malignant transformation of HBV. Especially in recent years, with the further study of the pathogenesis of HBV, it has been found that the complex trans-regulation mechanism is involved in the interaction between HBV and hepatocytes. The expression of hepatitis virus protein in hepatocytes has an effect on the gene expression profile of hepatocytes, which may be related to its pathogenesis. It is important to find out the genes related to the transregulation of HBV antigens in hepatocytes, and to find out the specific mechanism, effects and associated effects of HBV. It is of great significance to clarify the pathogenetic mechanism of HBV and to find effective methods for its prevention and treatment. Cloning, expression and functional study of unknown genes obtained from screening are important sources of innovative knowledge in the field of viral hepatitis pathogenesis research, and are also important contents of the human genome project and post-genome project. Using hepatocytes transfected with three functional gene fragments of HBV DNA polymerase and hepatocytes transfected with empty vector as materials, mRNA was extracted to study the trans-regulatory target gene of HBV DNAP by SSH technique, and an unknown functional gene was screened out. The gene coding sequence was confirmed by dot blot, and named DNA polymerase trans regulatory protein 1 (GenBank Accession:AY450389) of hepatitis B virus. Discovery of a new gene that encodes new protein structures and biological functions, with biological and clinical medicine
【學(xué)位授予單位】:大連醫(yī)科大學(xué)
【學(xué)位級(jí)別】:博士
【學(xué)位授予年份】:2006
【分類號(hào)】:R373
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