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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Adv+Sci+(Weinh) 2017 ; 4 (4): ä Nephropedia Template TP
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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): ä PMID28435772show 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.