Arg9	Nona-arginine
BSA	Bovine serum albumin
cFGF2	Control fibroblast growth factor 2
CPPs	Cell-penetrating peptides
DAPI	4′,6-diamidino-2-phenylindole
DDS	Drug-delivery system
DMEM	Dulbecco’s modified Eagle’s medium
DYN	Dynasore
E. coli	Escherichia coli
EDTA	Ethylenediaminetetraacetic acid
ELISA	Enzyme-linked immunosorbent assay
FGFR	Fibroblast growth factor receptor
FITC	Fluorescein isothiocyanate
HDF	Human dermal fibroblast
hFGF2	Human fibroblast growth factor 2
LMWP	Low-molecular-weight protamine
MBP	Maltose binding protein
NOC	Nocodazole
ns	Not significant
NR-FGF2	Ara27-conjugated fibroblast growth factor 2
PBS	Phosphate-buffered saline
SD	Standard deviation
SDS-PAGE	Sodium dodecyl sulfate-polyacrylamide gel electrophoresis
TBST	Tween 20 Tris-buffered saline
tFGF2	Tat-conjugated fibroblast growth factor 2