Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Expression Profiles and Pathway Analysis in HEK 293 T Cells Overexpressing HIV-1 Tat and Nucleocapsid Using cDNA Microarray

  • Park, Seong-Eun (Department of Biological Science, Sookmyung Women's University) ;
  • Lee, Min-Joo (Department of Biological Science, Sookmyung Women's University) ;
  • Yang, Moon-Hee (Department of Biological Science, Sookmyung Women's University) ;
  • Ahn, Ka-Young (Department of Biological Science, Sookmyung Women's University) ;
  • Jang, Soo-In (Department of Pathology, College of Medicine, the Catholic University of Korea) ;
  • Suh, Young-Ju (Department of Biological Science, Sookmyung Women's University) ;
  • Myung, Hee-Joon (Department of Bioscience and Biotechnology, Hankuk University of Foreign Studies) ;
  • You, Ji-Chang (Department of Pathology, College of Medicine, the Catholic University of Korea) ;
  • Park, Jong-Hoon (Department of Biological Science, Sookmyung Women's University)
  • Published : 2007.01.31
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Abstract

Human immunodeficiency virus type 1 (HIV-1) infections are responsible for a substantial number of deaths annually and represent a significant threat to public health. According to the latest study, the Tat (Transactivator of transcription) protein is essential in transcription and replication of viral genes, and is among the early expression genes involved in the life cycle of HIV. The virion NC (nucleocapsid) plays an important role in early mRNA expression and contributes to the rapid viral replication that occurs during HIV-1 infection. Therefore, we attempted to elucidate the relationship between the Tat protein and nucleocapsid protein. In a comparison of two independently prepared and hybridized samples, flag NC overexpressed HEK 293T cells and pTat overexpressed HEK 293T cells, and hybridization showed the differences in expression in each case. Among the microarray results confirmed with real-time reverse transcriptase assay, twelve genes were identified to be involved according to their gene expression profiles. Of approximately 8,208 human genes that were analyzed, we monitored candidate genes that might have been related to NC and Tat genes from gene expression profiles. Additionally, the pathways could be viewed and analyzed through the use of Pathway Studio software. The pathways from the gene list were built and paths were found among the molecules/cell objects/processes by the curation method.

Keywords

References

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