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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Adv+Sci+(Weinh)
2017 ; 4
(4
): 1600285
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Self-Assembled Bifunctional Peptide as Effective Drug Delivery Vector with
Powerful Antitumor Activity
#MMPMID28435772
Fan R
; Mei L
; Gao X
; Wang Y
; Xiang M
; Zheng Y
; Tong A
; Zhang X
; Han B
; Zhou L
; Mi P
; You C
; Qian Z
; Wei Y
; Guo G
Adv Sci (Weinh)
2017[Apr]; 4
(4
): 1600285
PMID28435772
show ga
E-cadherin/catenin complex is crucial for cancer cell migration and invasion. The
histidine-alanine-valine (HAV) sequence has been shown to inhibit a variety of
cadherin-based functions. In this study, by fusing HAV and the classical
tumor-targeting Arg-Gly-Asp (RGD) motif and Asn-Gly-Arg (NGR) motif to the
apoptosis-inducing peptide sequence-AVPIAQK, a bifunctional peptide has been
constructed with enhanced tumor targeting and apoptosis effects. This peptide is
further processed as a nanoscale vector to encapsulate the hydrophobic drug
docetaxel (DOC). Bioimaging analysis shows that peptide nanoparticles can
penetrate into xenograft tumor cells with a significantly long retention in
tumors and high tumor targeting specificity. In vivo, DOC/peptide NPs are
substantially more effective at inhibiting tumor growth and prolonging survival
compared with DOC control. Together, the findings of this study suggest that
DOC/peptide NPs may have promising applications in pulmonary carcinoma therapy.