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Hyaluronic acid conjugated nanoparticle delivery of siRNA against TWIST reduces tumor burden and enhances sensitivity to cisplatin in ovarian cancer
Publication date: Available online 14 April 2018 Source:Nanomedicine: Nanotechnology, Biology and Medicine Author(s): Sophia A. Shahin, Ruining Wang, Shirleen I. Simargi, Altagracia Contreras, Liliana Parra, Louise Qu, Wei Wen, Thanh Dellinger, Juli Unternaehrer, Fuyuhiko Tamanoi, Jeffrey I. Zink, Carlotta A. Glackin TWIST protein is critical to development and is activated in many cancers. TWIST regulates epithelial-mesenchymal transition, and is linked to angiogenesis, metastasis, cancer stem cell phenotype, and drug resistance. The majority of epithelial ovarian cancer (EOC) patients with metastatic disease respond wel...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - April 15, 2018 Category: Nanotechnology Source Type: research

Intraperitoneal Nanotherapy for Metastatic Ovarian Cancer Based on siRNA-Mediated Suppression of DJ-1 Protein Combined with a Low Dose of Cisplatin
Publication date: Available online 7 April 2018 Source:Nanomedicine: Nanotechnology, Biology and Medicine Author(s): Canan Schumann, Stephanie Chan, Jess A. Millar, Yuliya Bortnyak, Katherine Carey, Alex Fedchyk, Leon Wong, Tetiana Korzun, Abraham S. Moses, Anna Lorenz, Delany Shea, Olena Taratula, Oleh Khalimonchuk, Oleh Taratula Herein, we report an efficient combinatorial therapy for metastatic ovarian cancer based on siRNA-mediated suppression of DJ-1 protein combined with a low dose of cisplatin. DJ-1 protein modulates, either directly or indirectly, different oncogenic pathways that support and promote survival, gro...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - April 8, 2018 Category: Nanotechnology Source Type: research

Nanoparticle delivery of siRNA against TWIST to reduce drug resistance and tumor growth in ovarian cancer models
Publication date: Available online 25 November 2016 Source:Nanomedicine: Nanotechnology, Biology and Medicine Author(s): Cai M. Roberts, Sophia Allaf Shahin, Wei Wen, James B. Finlay, Juyao Dong, Ruining Wang, Thanh H. Dellinger, Jeffrey I. Zink, Fuyuhiko Tamanoi, Carlotta A. Glackin Epithelial ovarian cancer (EOC) is the most deadly gynecologic malignancy on account of its late stage at diagnosis and frequency of drug resistant recurrences. Novel therapies to overcome these barriers are urgently needed. TWIST is a developmental transcription factor reactivated in cancers and linked to angiogenesis, metastasis, cancer ste...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - November 24, 2016 Category: Nanotechnology Source Type: research

ROS-Induced Nanotherapeutic Approach for Ovarian Cancer Treatment Based on the Combinatorial Effect of Photodynamic Therapy and DJ-1 Gene Suppression
This study represents a novel approach for intraoperative ovarian cancer treatment based on the combinatorial effect of a targeted photodynamic therapy (PDT) associated with suppression of the DJ-1 protein, one of the key players in the ROS defense of cancer cells. To assess the potential of the developed therapy, dendrimer-based nanoplatforms for cancer-targeted delivery of near-infrared photosensitizer, phthalocyanine, and DJ-1 siRNA have been constructed. In vitro studies revealed that therapeutic efficacy of the combinatorial approach was enhanced when compared to PDT alone and this enhancement was more pronounced in o...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - August 2, 2015 Category: Nanotechnology Source Type: research

Targeted uptake of folic acid-functionalized iron oxide nanoparticles by ovarian cancer cells in the presence but not in the absence of serum
In this study the receptor specific uptake of folic acid-functionalized iron oxide nanoparticles was determined in ovarian cancer cells. It was found that the presence of serum proteins is an absolute requirement for the uptake of these nanoparticles. The described strategy for receptor-mediated uptake of nanoparticles with pre-defined surface chemistry may enable a better targeting of nanoparticles for additional therapeutic and imaging applications. Graphical abstract
Source: Nanomedicine: Nanotechnology, Biology and Medicine - November 10, 2014 Category: Nanotechnology Source Type: research