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Title: Baculoviral vector-mediated transient and stable transgene expression in human embryonic stem cells
Authors: Zeng, J.
Du, J.
Zhao, Y.
Palanisamy, N.
Wang, S. 
Keywords: Baculovirus
Gene transfer
Genetic modification
Human embryonic stem cells
Transgene expression
Issue Date: 2007
Citation: Zeng, J., Du, J., Zhao, Y., Palanisamy, N., Wang, S. (2007). Baculoviral vector-mediated transient and stable transgene expression in human embryonic stem cells. Stem Cells 25 (4) : 1055-1061. ScholarBank@NUS Repository.
Abstract: Human embryonic stem (hES) cells as a renewable cell source have great prospective applications in both developmental biology research and regenerative medicine. To realize these potentials, the development of effective and safe genetic manipulation methods in hES cells is an obvious demand. We report here that baculoviral vectors were able to transduce hES cells efficiently. In transient transduction experiments, a recombinant baculoviral vector equipped with a human elongation factor 1-α promoter and a woodchuck hepatitis post-transcriptional regulatory element transduced up to 80% of cells in hES cell clumps and embryoid bodies. For prolonged transgene expression, hybrid baculoviral vectors that have incorporated a rep gene and inverted terminal repeat sequences from adeno-associated virus were produced. These hybrid vectors yielded stable transgene expression during the prolonged undifferentiated proliferation of hES cells and after differentiation. Baculoviral transduction did not affect the normal growth, phenotype, and pluripotency of hES cells. Thus, baculoviral vectors suitable for both transient overexpression and longterm stable expression are an attractive option for genetic manipulation of hES cells. ©AlphaMed Press.
Source Title: Stem Cells
ISSN: 10665099
DOI: 10.1634/stemcells.2006-0616
Appears in Collections:Staff Publications

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