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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014 

PAMAM Dendrimer Conjugated with N-terminal Oligopeptides of Mouse Fibroblast Growth Factor 3 as a Novel Gene Carrier
Jinwoo Jung, Jeil Lee, Tae-Hun Kim, Bong Suk Yang, Eunji Lee, Youn-Joong Kim, Jong-Sang Park*, Joon Sig Choi*
Gene delivery, PAMAM dendrimer, Peptide, Mouse fibroblast growth factor 3
In this study, we introduced the RRLR oligopeptide sequences on the surface of polyamidoamine (PAMAM) dendrimer and characterized the physical properties and gene carrier activity of the novel polymer using HEK 293, NIH3T3, and HeLa cells. The RRLR peptide sequences were derived from a mouse fibroblast growth factor 3 (FGF3) protein containing a bipartite NLS motif. The entire sequence of FGF3 is RLRRDAGGRGGVYEHLGGAPRRRK and it has two functional sequences RLRR and RRRK at Nterminus and C-terminus, respectively. In particular, PAMAM G4-RRLR conferred enhanced transfection efficiency and lower cytotoxicity compared with those of PEI 25 kDa, PAMAM G4-R, and PAMAM G4 in various cell lines. These results suggest that the introduction of N-terminal oligopeptides of FGF3 on the surface of PAMAM holds promise as an effective non-viral gene delivery carrier for gene therapy.
1036 - 1042
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