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Current antiangiogenic therapy is limited by its cytostatic nature and systemic side effects. To address these limitations, we have unveiled the role of RhoJ, an endothelial-enriched Rho GTPase, during tumor progression. RhoJ blockade provides a double assault on tumor vessels by both inhibiting tumor angiogenesis and disrupting the preformed tumor vessels… (More)
The effective use of oligonucleotide therapeutics, such as antisense oligodeoxynucleotides (ODNs) and small interfering RNAs (siRNAs), requires efficient delivery systems capable of intracellular penetration. Cell-penetrating peptides (CPPs), including arginine-rich peptides, have been extensively studied as tools for enhancing intracellular uptake… (More)
Fibronectin extra domain B (EDB) is specifically expressed in cancer-associated blood vessels and extracellular matrix, and thus is a promising cancer biomarker. Very recently, we developed a novel class of high-affinity (<100nM) peptides, termed 'aptides', that specifically bind a variety of protein targets. Here, we describe superparamagnetic iron oxide… (More)
Golden vaccine for cancers. Gold nanoparticles enable efficient antigen delivery to dendritic cells and then activate the cells to facilitate cross-presentation, inducing antigen-specific cytotoxic T-lymphocyte responses for effective cancer therapy.
Standardized poly(ethylene glycol)-modified (PEGylated) liposomes, which have been widely used in research as well as in pre-clinical and clinical studies, are typically constructed using PEG with a molecular weight of 2000 Da (PEG(2000)). Targeting ligands are also generally conjugated using various functionalized PEG(2000)). However, although standardized… (More)
STAT3 promotes the survival, proliferation, metastasis, immune escape, and drug resistance of cancer cells, making its targeting an appealing prospect. However, although multiple inhibitors of STAT3 and its regulatory or effector pathway elements have been developed, bioactive agents have been somewhat elusive. In this report, we report the identification… (More)
Targeted delivery of anticancer drugs to tumors has attracted considerable research interest because of its potential to reduce adverse toxicity while improving therapeutic efficacy. In this study, we synthesized and evaluated the therapeutic efficacy of a conjugate of a high-affinity peptide (aptide) and the anticancer drug docetaxel (DTX). A fibronectin… (More)
With the capability of specific silencing of target gene expression, RNA interference (RNAi) technology is emerging as a promising therapeutic modality for the treatment of cancer and other diseases. One key challenge for the clinical applications of RNAi is the safe and effective delivery of RNAi agents such as small interfering RNA (siRNA) to a particular… (More)
Although efforts have been made to develop a platform carrier for the delivery of RNAi therapeutics, systemic delivery of siRNA has shown only limited success in cancer therapy. Cationic lipid-based nanoparticles have been widely used for this purpose, but their toxicity and undesired liver uptake after systemic injection owing to their cationic surfaces… (More)
We engineered phototherapeutic sub-12 nm-sized polymeric micelles to treat malignant brain tumours (MBTs). The engineered nanoparticles in MBT cells enhanced the photocytotoxic efficiency more than 2.5-fold compared with parental and PEGylated photosensitisers (PSs). Increased subcellular co-localisation of PSs in mitochondria was observed.