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NanoMedicine

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https://www.readbyqxmd.com/read/27925201/vascular-inter-regulation-of-inflammation-molecular-and-cellular-targets-for-cns-therapy
#1
REVIEW
Marta Machado-Pereira, Tiago Santos, Liliana Bernardino, Raquel Ferreira
Angiogenesis and inflammation are clearly interconnected and interdependent processes that are dysregulated in a series of systemic and brain pathologies. Herein, key aspects regarding endothelial cell function and tissue remodelling that are particularly affected or aggravated by inflammation are presented. Most importantly, the cellular and molecular mechanisms involved in the vascular regulation of the inflammatory processes occurring in several brain disorders and how they impact on disease/injury progression are detailed, highlighting potential targets for therapy...
December 7, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27924690/welcome-to-volume-12-of-nanomedicine
#2
Jonathan Wilkinson
No abstract text is available yet for this article.
January 2017: Nanomedicine
https://www.readbyqxmd.com/read/27922119/in-situ-particles-reorientation-during-magnetic-hyperthermia-application-shape-matters-twice
#3
Konstantinos Simeonidis, M Puerto Morales, Marzia Marciello, Makis Angelakeris, Patricia de la Presa, Ana Lazaro-Carrillo, Andrea Tabero, Angeles Villanueva, Oksana Chubykalo-Fesenko, David Serantes
Promising advances in nanomedicine such as magnetic hyperthermia rely on a precise control of the nanoparticle performance in the cellular environment. This constitutes a huge research challenge due to difficulties for achieving a remote control within the human body. Here we report on the significant double role of the shape of ellipsoidal magnetic nanoparticles (nanorods) subjected to an external AC magnetic field: first, the heat release is increased due to the additional shape anisotropy; second, the rods dynamically reorientate in the orthogonal direction to the AC field direction...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27920893/antibody-drug-conjugates-and-other-nanomedicines-the-frontier-of-gynaecological-cancer-treatment
#4
REVIEW
David Howard, Jetzabel Garcia-Parra, Gareth D Healey, Cynthia Amakiri, Lavinia Margarit, Lewis W Francis, Deyarina Gonzalez, R Steven Conlan
Gynaecological cancers: malignancies of the cervix, uterus, ovaries, vagina and vulva, are responsible for over 1.1 million new cancer cases and almost half a million deaths annually. Ovarian cancer in particular is difficult to treat due to often being diagnosed at a late stage, and the incidence of uterine and vulvar malignancies are both on the rise. The field of nanomedicine is beginning to introduce drugs into the clinic for oncological applications exemplified by the liposomal drugs, Doxil and Myocet, the nanoparticle, Abraxane and antibody-drug conjugates (ADCs), Kadcyla and Adcetris...
December 6, 2016: Interface Focus
https://www.readbyqxmd.com/read/27920528/macrophages-participate-in-local-and-systemic-inflammation-induced-by-amorphous-silica-nanoparticles-through-intratracheal-instillation
#5
Man Yang, Li Jing, Ji Wang, Yang Yu, Lige Cao, Lianshuang Zhang, Xianqing Zhou, Zhiwei Sun
Silica nanoparticles (SiNPs) are amongst the most commonly used materials in the field of nanomedicine and, therefore, their influence on organisms has drawn increasing attention in recent years. Most reports have focused on the single tissue reactions induced by SiNPs. Herein, the reaction of primary organs to SiNPs following intratracheal instillation in mice was analyzed by histopathology and ultrastructure observation. Following elucidation of the role of macrophages in local and systemic inflammation, the underlying mechanisms were explored using a macrophage cell line in vitro...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27920520/ligand-based-targeted-therapy-a-novel-strategy-for-hepatocellular-carcinoma
#6
REVIEW
Min Li, Weiyue Zhang, Birong Wang, Yang Gao, Zifang Song, Qi Chang Zheng
Hepatocellular carcinoma (HCC) is the most common primary liver cancer with high morbidity and mortality worldwide. Chemotherapy is recommended to patients with intermediate or advanced stage cancer. However, the conventional chemotherapy yields low desired response rates due to multidrug resistance, fast clearance rate, nonspecific delivery, severe side effects, low drug concentration in cancer cells, and so on. Nanoparticle-mediated targeted drug delivery system can surmount the aforementioned obstacles through enhanced permeability and retention effect and active targeting as a novel approach of therapeutics for HCC in recent years...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27917409/gadolinium-functionalized-peptide-amphiphile-micelles-for-multimodal-imaging-of-atherosclerotic-lesions
#7
Sang Pil Yoo, Federico Pineda, John C Barrett, Christopher Poon, Matthew Tirrell, Eun Ji Chung
The leading causes of morbidity and mortality globally are cardiovascular diseases, and nanomedicine can provide many improvements including disease-specific targeting, early detection, and local delivery of diagnostic agents. To this end, we designed fibrin-binding, peptide amphiphile micelles (PAMs), achieved by incorporating the targeting peptide cysteine-arginine-glutamic acid-lysine-alanine (CREKA), with two types of amphiphilic molecules containing the gadoliniuim (Gd) chelator diethylenetriaminepentaacetic acid (DTPA), DTPA-bis(stearylamide)(Gd), and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[(poly(ethylene glycol) (PEG))-2000]-DTPA(Gd) (DSPE-PEG2000-DTPA(Gd))...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27916693/comparison-of-2-strategies-to-enhance-pyridoclax-solubility-nanoemulsion-delivery-system-versus-salt-synthesis
#8
A-C Groo, M De Pascale, A-S Voisin-Chiret, S Corvaisier, M Since, A Malzert-Fréon
Pyridoclax is an original oligopyridine lead, very promising in treatment of chemoresistant cancers. However, from solubility measurement and permeability evaluation, it appeared that this compound can be considered as a BCS II drug, with a poor water solubility. To overcome this unfavorable property, two strategies were proposed and compared: pyridoclax di-hydrochloride salt synthesis and formulation of pyridoclax-loaded nanoemulsions (PNEs) efficiently performed by transposing the spontaneous emulsification process previously developed by our team...
December 1, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27914571/evaluating-the-anticancer-activity-and-nanoparticulate-nature-of-homeopathic-preparations-of-terminalia-chebula
#9
Kirtee Wani, Nilesh Shah, Asmita Prabhune, Arun Jadhav, Prabhakar Ranjekar, Ruchika Kaul-Ghanekar
BACKGROUND: Breast cancer is the most common cancer diagnosed among women and is the second leading cause of cancer death. Homeopathic medicines are part of the alternative medicines that are given as a supportive therapy in breast cancer. The objective of this study was to investigate the anticancer activity of commercially available homeopathic preparations of Terminalia chebula (TC) and evaluate their nanoparticulate nature. METHODS: Mother tincture (MT) and other homeopathic preparations (3X, 6C and 30C) of TC were tested for their effect on the viability of breast cancer (MDAMB231 and MCF7) and non-cancerous (HEK 293) cell lines by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay...
November 2016: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/27912846/new-insights-and-evolving-role-of-pegylated-liposomal-doxorubicin-in-cancer-therapy
#10
REVIEW
Alberto A Gabizon, Yogita Patil, Ninh M La-Beck
We herein review various pharmacological and clinical aspects of pegylated liposomal doxorubicin (PLD), the first nanomedicine to be approved for cancer therapy, and discuss the gap between its potent antitumor activity in preclinical studies and its comparatively modest achievements in clinical studies and limited use in clinical practice. PLD is a complex formulation of doxorubicin based on pharmaceutical nanotechnology with unique pharmacokinetic and pharmacodynamic properties. Its long circulation time with stable retention of the payload and its accumulation in tumors with high vascular permeability both result in important advantages over conventional chemotherapy...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27910047/lipidoid-mrna-nanoparticles-for-myocardial-delivery-in-rodents
#11
Irene C Turnbull, Ahmed A Eltoukhy, Daniel G Anderson, Kevin D Costa
An area of active research in the field of cardiac gene therapy aims to achieve high transfection efficiency without eliciting immune or inflammatory reactions. Nanomedicine offers an attractive alternative to traditional viral delivery vehicles because nanoparticle technology can enable safer and more controlled delivery of therapeutic agents. Here we describe the use of lipidoid nanoparticles for delivery of modified mRNA (modRNA) to the myocardium in vivo, with a focus on rodent models that represent a first step toward preclinical studies...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909463/synthetic-nanoparticles-for-delivery-of-radioisotopes-and-radiosensitizers-in-cancer-therapy
#12
REVIEW
Jun Zhao, Min Zhou, Chun Li
Radiotherapy has been, and will continue to be, a critical modality to treat cancer. Since the discovery of radiation-induced cytotoxicity in the late 19th century, both external and internal radiation sources have provided tremendous benefits to extend the life of cancer patients. Despite the dramatic improvement of radiation techniques, however, one challenge persists to limit the anti-tumor efficacy of radiotherapy, which is to maximize the deposited dose in tumor while sparing the rest of the healthy vital organs...
2016: Cancer Nanotechnology
https://www.readbyqxmd.com/read/27899033/novel-antibacterial-polymeric-nanocomposite-for-smart-co-delivery-of-anticancer-drugs
#13
Elham Zakerzadeh, Effat Alizadeh, Hossein Samadi Kafil, Azad Mohammad Hassanzadeh, Roya Salehi, Mehrdad Mahkam
Here a novel antibacterial nanocomposite was developed for combination cancer therapy. The synthesized nanocarrier was characterized by FTIR, (1)H NMR, thermogravimetric analysis (TGA), and FESEM-EDX. Its antibacterial activity was assessed by determining minimum inhibitory concentration (MIC) values. Doxorubicin (DOX) and methotrexate (MTX) conjugation with nanocarrier sustained the release of both drugs with apparent pH-triggered manner. Co-administration of DOX with MTX leads to an efficient anticancer performance to MCF7 cell lines verified by qRT-PCR and MTT assay tests...
November 29, 2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/27898219/use-of-microwave-to-improve-nanomedicine-application-on-skin
#14
Tin Wui Wong
No abstract text is available yet for this article.
November 29, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27897295/organosilica-hybrid-nanomaterials-with-a-high-organic-content-syntheses-and-applications-of-silsesquioxanes
#15
REVIEW
Jonas G Croissant, Xavier Cattoën, Jean-Olivier Durand, Michel Wong Chi Man, Niveen M Khashab
Organic-inorganic hybrid materials garner properties from their organic and inorganic matrices as well as synergistic features, and therefore have recently attracted much attention at the nanoscale. Non-porous organosilica hybrid nanomaterials with a high organic content such as silsesquioxanes (R-SiO1.5, with R organic groups) and bridged silsesquioxanes (O1.5Si-R-SiO1.5) are especially attractive hybrids since they provide 20 to 80 weight percent of organic functional groups in addition to the known chemistry and stability of silica...
November 29, 2016: Nanoscale
https://www.readbyqxmd.com/read/27897260/corrigendum-combinatorial-nanocarrier-based-drug-delivery-approach-for-amalgamation-of-anti-tumor-agents-in-breast-cancer-cells-an-improved-nanomedicine-strategy
#16
Chandran Murugan, Kathirvel Rayappan, Ramar Thangam, Ramasamy Bhanumathi, Krishnamurthy Shanthi, Raju Vivek, Ramasamy Thirumurugan, Atanu Bhattacharyya, Srinivasan Sivasubramanian, Palani Gunasekaran, Soundarapandian Kannan
No abstract text is available yet for this article.
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891093/targeting-strategies-for-renal-cell-carcinoma-from-renal-cancer-cells-to-renal-cancer-stem-cells
#17
REVIEW
Zhi-Xiang Yuan, Jingxin Mo, Guixian Zhao, Gang Shu, Hua-Lin Fu, Wei Zhao
Renal cell carcinoma (RCC) is a common form of urologic tumor that originates from the highly heterogeneous epithelium of renal tubules. Over the last decade, targeting therapies to renal cancer cells have transformed clinical care for RCC. Recently, it was proposed that renal cancer stem cells (CSCs) isolated from renal carcinomas were responsible for driving tumor growth and resistance to conventional chemotherapy and radiotherapy, according to the theory of CSCs; this has provided the rationale for therapies targeting this aggressive cell population...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27887958/bottom-up-synthesis-of-carbon-nanoparticles-with-higher-doxorubicin-efficacy
#18
Samer Bayda, Mohamad Hadla, Stefano Palazzolo, Vinit Kumar, Isabella Caligiuri, Emmanuele Ambrosi, Enrico Pontoglio, Marco Agostini, Tiziano Tuccinardi, Alvise Benedetti, Pietro Riello, Vincenzo Canzonieri, Giuseppe Corona, Giuseppe Toffoli, Flavio Rizzolio
Nanomedicine requires intelligent and non-toxic nanomaterials for real clinical applications. Carbon materials possess interesting properties but with some limitations due to toxic effects. Interest in carbon nanoparticles (CNPs) is increasing because they are considered green materials with tunable optical properties, overcoming the problem of toxicity associated with quantum dots or nanocrystals, and can be utilized as smart drug delivery systems. Using black tea as a raw material, we synthesized CNPs with a narrow size distribution, tunable optical properties covering visible to deep red absorption, non-toxicity and easy synthesis for large-scale production...
November 22, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27886557/upconversion-optical-magnetic-resonance-imaging-guided-small-tumor-detection-and-in%C3%A2-vivo-tri-modal-bioimaging-based-on-high-performance-luminescent-nanorods
#19
Zhenluan Xue, Zhigao Yi, Xiaolong Li, Youbin Li, Mingyang Jiang, Hongrong Liu, Songjun Zeng
In this work, we demonstrated multifunctional NaYbF4: Tm(3+)/Gd(3+) upconversion (UC) nanorods (UCNRs) with near-infrared (NIR)-to-NIR emission and controlled phase and size for UC optical and T1/T2 dual-weighted magnetic resonance (MR) imaging-guided small tumor detection and tri-modal bioimaging. Cell toxicity and post-injection histology results revealed that our designed UCNRs present low biotoxicity and good biocompatibility in living animals. Real-time tracking based on UCNRs in living mice demonstrated that the UCNRs were mainly accumulated in the reticuloendothelial system (RES) and excreted through the hepatic pathway...
January 2017: Biomaterials
https://www.readbyqxmd.com/read/27883075/direct-electrical-control-of-igg-conformation-and-functional-activity-at-surfaces
#20
Paola Ghisellini, Marialuisa Caiazzo, Andrea Alessandrini, Roberto Eggenhöffner, Massimo Vassalli, Paolo Facci
We have devised a supramolecular edifice involving His-tagged protein A and antibodies to yield surface immobilized, uniformly oriented, IgG-type, antibody layers with Fab fragments exposed off an electrode surface. We demonstrate here that we can affect the conformation of IgGs, likely pushing/pulling electrostatically Fab fragments towards/from the electrode surface. A potential difference between electrode and solution acts on IgGs' charged aminoacids modulating the accessibility of the specific recognition regions of Fab fragments by antigens in solution...
November 24, 2016: Scientific Reports
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