Publisher： Spandidos Publications
E-ISSN： 1791-3004|11|4|2555-2561
ISSN： 1791-2997
Source： Molecular Medicine Reports, Vol.11, Iss.4, 2015-01, pp. : 2555-2561
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Abstract
The aim of the present study was to investigate the feasibility of lentiviralmediated CysAsnGlyArgCys (CNGRC) peptide gene transduction in adipose stem cells. Adipose stem cells were prepared using enzymatic digestion and repeated adherence methods and identified in culture by immunofluorescence staining of surface markers. The pluripotency of the cultured adipose stem cells was confirmed by their induced differentiation into bone and fat cells. Following polymerase chain reaction amplification, the gene sequence for the CNGRC peptide was cloned into a lentiviral vector, which was then cotransfected into 293T cells with packaging plasmids Helper 1.0 and Helper 2.0. The lentiviruses carrying the CNGRC peptide gene were then harvested and used to transfect adipose stem cells. Following transduction, expression of CNGRC in adipose stem cells was detected using western blot analysis. Adipose stem cells in culture were successfully induced to differentiate into adipocytes and osteoblasts and the lentiviral vector containing CNGRC3FlagEGFP was successfully constructed. Following transduction, western blot analysis and immunofluorescence staining demonstrated expression of the CNGRC protein in adipose stem cells. This suggested that adipose stem cell lines expressing the CNGRC peptide were successfully established.
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