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2017 ; 8
(15
): 3001-3013
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The Targeted Antitumor Effects of C- PC/CMC-CD59sp Nanoparticles on HeLa Cells in
Vitro and in Vivo
#MMPMID28928892
Wang Y
; Jiang L
; Yin Q
; Liu H
; Liu G
; Zhu G
; Li B
J Cancer
2017[]; 8
(15
): 3001-3013
PMID28928892
show ga
The novel C-PC/CMC-CD59sp-NPs were made by carbocymethyl chitosan (CMC) loading
C-phycocyanin (C-PC) with the lead of CD59 specific ligand peptide (CD59sp) for
targeting, and the characteristics and targeted anti-tumor mechanism were
explored in order to realize the targeted therapy of C-PC on the growth of HeLa
cells both in vitro and vivo. The targeting nanoparticles were synthesized by
ionic-gelation method, and the optimal condition was selected out by orthogonal
analysis. The properties of nanoparticles were observed by laser particle
analyzer and dynamic light scattering (DLS) and Fourier Transform Infrared
Spectrometer (FTIR). The effects of nanoparticles on the proliferation of HeLa
cells in vitro were assessed by MTT assay. The mice model with tumor was
constructed by subcutaneous injection of HeLa cells into the left axilla of NU/NU
mice. The weight of tumor and the spleen were tested. The expression quantities
of cleaved caspase-3, Bcl-2 were determined by western blot and immunofluorescent
staining. Results showed the morphology of the finally prepared nanoparticles was
well distributed with a diameter distribution of 200±11.3 nm and zeta potential
of -19.5±4.12mV. Under the guidance of CD59sp, the targeting nanoparticles could
targetedly and efficiently arrive at the surface of HeLa cells, and had obvious
inhibitory effect on HeLa cells proliferation both in vitro and vivo. Moreover,
the nanoparticles could induce cell apoptosis by up-regulation of cleaved
caspase-3 proteins expression, but down-regulation of Bcl-2 and cyclinD1
proteins. Our study provided a new idea for the research and development of
marine drugs, and supplied a theoretical support for the target therapy of
anticancer drug.