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Source: Biomaterials
Cancer: Cancer
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Total 77 results found since Jan 2013.
Aerosol delivery of star polymer-siRNA nanoparticles as a therapeutic strategy to inhibit lung tumor growth
Biomaterials. 2022 Apr 23;285:121539. doi: 10.1016/j.biomaterials.2022.121539. Online ahead of print.ABSTRACTLung cancer is a major contributor to cancer-related death worldwide. siRNA nanomedicines are powerful tools for cancer therapeutics. However, there are challenges to overcome to increase siRNA delivery to solid tumors, including penetration of nanoparticles into a complex microenvironment following systemic delivery while avoiding rapid clearance by the reticuloendothelial system, and limited siRNA release from endosomes once inside the cell. Here we characterized cell uptake, intracellular trafficking, and gene si...
Source: Biomaterials - May 2, 2022 Category: Materials Science Authors: Z Ma S W Wong H Forgham L Esser M Lai M N Leiske K Kempe G Sharbeen J Youkhana F Mansfeld J F Quinn P A Phillips T P Davis M Kavallaris J A McCarroll Source Type: research
The programmed site-specific delivery of LY3200882 and PD-L1 siRNA boosts immunotherapy for triple-negative breast cancer by remodeling tumor microenvironment
In this study, we successfully constructed a programmed site-specific delivery nanosystem for the combined delivery of transforming growth factor beta (TGF-β) receptor inhibitor LY3200882 (LY) and PD-L1 siRNA (siPD-L1) to boost anti-tumor immunotherapy. As expected, LY in the outer layer of the nanosystem was released by stimulation of MMP2, and dramatically down-regulated the expression of extracellular matrix (ECM) in the tumor-associated fibroblasts (TAFs), and thus promoted the infiltration of effector T cells and penetration of nanomedicines. Simultaneously, the blockade of TGF-β by LY also triggered immunogenic cel...
Source: Biomaterials - April 24, 2022 Category: Materials Science Authors: Pan Zhang Chao Qin Nan Liu Xinyuan Zhou Xuxin Chu Fangnan Lv Yongwei Gu Lifang Yin Jiyong Liu Jianping Zhou Meirong Huo Source Type: research
Facile one-step synthesis of NIR-Responsive siRNA-Inorganic hybrid nanoplatform for imaging-guided photothermal and gene synergistic therapy
Biomaterials. 2022 Jan 31;282:121404. doi: 10.1016/j.biomaterials.2022.121404. Online ahead of print.ABSTRACTDiagnosis-guided synergistic treatment based on innovative nanomaterials is of great significance for the development of anti-cancer therapies. However, the low delivery efficiency of therapeutic gene and the inability to trigger release on demand are still major obstacles impeding its wide application. Herein, we report an ultra-fast one-step method within 2 min to prepare a smart carrier, liposome-coated Prussian blue @ gold nano-flower, which is named LPAR after linking with tumor-targeting peptide. The versatile...
Source: Biomaterials - February 8, 2022 Category: Materials Science Authors: Xiuna Jia Mengmeng Lv Yunwei Fei Qing Dong Hao Wang Qiong Liu Dan Li Jin Wang Erkang Wang Source Type: research
Intracellular Co-delivery of native antibody and siRNA for combination therapy by using biodegradable silica nanocapsules
Biomaterials. 2022 Jan 17;281:121376. doi: 10.1016/j.biomaterials.2022.121376. Online ahead of print.ABSTRACTCombination therapy is a promising strategy for treating multidrug-resistant (MDR) cancers. Macromolecules such as antibodies and RNAs have been successfully used for targeted therapy owing to their high specificity. However, their application as therapeutics remains limited due to membrane impermeability and poor intracellular stability. Designing drug delivery systems capable of co-administering macromolecules is therefore crucial for advancing them as therapeutics for combination therapy. Herein, by using glutath...
Source: Biomaterials - January 22, 2022 Category: Materials Science Authors: Peiyan Yuan Fen Yang Si Si Liew Jiachang Yan Xiao Dong Jinfeng Wang Shubo Du Xin Mao Liqian Gao Shao Q Yao Source Type: research
Exosomes derived from immunogenically dying tumor cells as a versatile tool for vaccination against pancreatic cancer
Biomaterials. 2021 Dec 2;280:121306. doi: 10.1016/j.biomaterials.2021.121306. Online ahead of print.ABSTRACTDespite tremendous progress achieved in immunotherapy, many critical challenges in treating pancreatic ductal adenocarcinoma (PDAC) persist. Considering the poor vascularization of PDAC, after intramuscular administration exosomes can targeted deliver "cargos" to pancreatic tumors and bypass obstructions of the intrinsic overexpressed stroma through lymphatics. Herein, we propose a strategy to derive exosomes from immunogenically dying tumor cells and exploit their properties for several purposes, including antigen p...
Source: Biomaterials - December 24, 2021 Category: Materials Science Authors: Wenxi Zhou Xinli Chen Yu Zhou Si Shi Chen Liang Xianjun Yu Hongyi Chen Qin Guo Yiwen Zhang Peixin Liu Chao Li Yongchao Chu Yifan Luo Yu Wang Zheng Zhou Zhenhao Zhao Qinjun Chen Tao Sun Chen Jiang Source Type: research
Corrigendum to "Co-delivery of HIF1 α siRNA and gemcitabine via biocompatible lipid-polymer hybrid nanoparticles for effective treatment of pancreatic cancer" Biomaterials 46 (2015) 13-25
Biomaterials. 2021 Dec 7;280:121296. doi: 10.1016/j.biomaterials.2021.121296. Online ahead of print.NO ABSTRACTPMID:34890971 | DOI:10.1016/j.biomaterials.2021.121296
Source: Biomaterials - December 10, 2021 Category: Materials Science Authors: Xiao Zhao Feng Li Yiye Li Hai Wang He Ren Jing Chen Guangjun Nie Jihui Hao Source Type: research
Reduction-responsive RNAi nanoplatform to reprogram tumor lipid metabolism and repolarize macrophage for combination pancreatic cancer therapy
Biomaterials. 2021 Nov 19:121264. doi: 10.1016/j.biomaterials.2021.121264. Online ahead of print.ABSTRACTPancreatic cancer (PAC) is one of the most lethal malignant neoplasms with poor prognosis and high mortality. Emerging evidence has revealed that abnormal tumor lipid metabolism and tumor-associated macrophages (TAMs) significantly contribute to PAC development and progression. Therefore, concurrently reprogramming tumor lipid metabolism and regulating TAMs function could be a promising strategy for effective PAC therapy. Herein, we identified an important enzyme catabolizing lipids (monoacylglycerol lipase, MGLL) and a...
Source: Biomaterials - November 26, 2021 Category: Materials Science Authors: Shuwen Cao Phei Er Saw Qian Shen Rong Li Yun Liu Xiaoding Xu Source Type: research
M1 macrophage exosomes engineered to foster M1 polarization and target the IL-4 receptor inhibit tumor growth by reprogramming tumor-associated macrophages into M1-like macrophages
In this study, we harnessed M1 macrophage-derived exosomes engineered to foster M1 polarization and target IL4R for the inhibition of tumor growth by reprogramming TAMs into M1-like macrophages. M1 exosomes were transfected with NF-κB p50 siRNA and miR-511-3p to enhance M1 polarization and were surface-modified with IL4RPep-1, an IL4R-binding peptide, to target the IL4 receptor of TAMs (named IL4R-Exo(si/mi). IL4R-Exo(si/mi) were internalized and downregulated target gens in M2 macrophages and decreased M2 markers, while increasing M1 markers, more efficiently compared with untargeted and control peptide-labeled exosomes ...
Source: Biomaterials - September 24, 2021 Category: Materials Science Authors: Gowri Rangaswamy Gunassekaran Sri Murugan Poongkavithai Vadevoo Moon-Chang Baek Byungheon Lee Source Type: research
