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https://www.readbyqxmd.com/read/28994432/an-intelligent-nir-responsive-chelate-copper-based-anticancer-nanoplatform-for-synergistic-tumor-targeted-chemo-phototherapy
#1
Qianhua Feng, Wanxia Zhang, Yuzhen Li, Xuemei Yang, Yongwei Hao, Hongling Zhang, Wei Li, Lin Hou, Zhenzhong Zhang
The chelate copper-based anticancer drug bleomycin (BLM) is usually believed to bind metal ions especially Cu(ii) to generate the "activated BLM" for DNA cleavage. Herein, BLM and L-menthol (LM) co-loaded hollow mesoporous Cu2-xS nanoparticles (HMCu2-xS NPs) with surface folic acid (FA) modification were formulated to construct an intelligent NIR-responsive nanoplatform for synergistic tumor targeted chemo-phototherapy. With the tumor targeting ability of the folate receptor (FR)-positive, FA-HMCu2-xS/BLM/LM could pinpoint tumor cells efficiently...
October 10, 2017: Nanoscale
https://www.readbyqxmd.com/read/28917821/circulatory-cell-mediated-nanotherapeutic-approaches-in-disease-targeting
#2
Thierry Burnouf, Pierre-Alain Burnouf, Yu-Wen Wu, Er-Yuan Chuang, Long-Sheng Lu, Hadi Goubran
Circulating blood cells, and cell-derived microvesicles, are emerging as pragmatic delivery systems that can smartly complement the already existing nanotherapeutic platforms evaluated to treat or diagnose diseases. The valuable distinctive features of circulatory cells over synthetic nanocarriers encompass their biological origin which confers immune transparence, known biodegradability, high drug loading, relatively long half-life and a targeting capacity associated with their physiological surface functionality...
September 14, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28914952/nanocarriers-for-trail-delivery-driving-trail-back-on-track-for-cancer-therapy
#3
REVIEW
Xu Wu, Shengpeng Wang, Mingxing Li, Anqi Wang, Yangyang Zhou, Peng Li, Yitao Wang
Since its initial identification, tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) has been shown to be capable of selectively inducing apoptosis in cancer cells. However, translation of the encouraging preclinical studies of this cytokine into the clinic has been restricted by its extremely short half-life, the presence of resistant cancer cell populations, and its inefficient in vivo delivery. Recently, there has been exceptional progress in developing novel formulations to increase the circulatory half-life of TRAIL and new combinations to treat cancers that are resistant to TRAIL...
September 28, 2017: Nanoscale
https://www.readbyqxmd.com/read/28900513/in-vivo-cancer-cells-elimination-guided-by-aptamer-functionalized-gold-coated-magnetic-nanoparticles-and-controlled-with-low-frequency-alternating-magnetic-field
#4
Irina V Belyanina, Tatiana N Zamay, Galina S Zamay, Sergey S Zamay, Olga S Kolovskaya, Tatiana I Ivanchenko, Valery V Denisenko, Andrey K Kirichenko, Yury E Glazyrin, Irina V Garanzha, Valentina V Grigorieva, Alexandr V Shabanov, Dmitry V Veprintsev, Alexey E Sokolov, Vladimir M Sadovskii, Ana Gargaun, Maxim V Berezovski, Anna S Kichkailo
Biomedical applications of magnetic nanoparticles under the influence of a magnetic field have been proved useful beyond expectations in cancer therapy. Magnetic nanoparticles are effective heat mediators, drug nanocarriers, and contrast agents; various strategies have been suggested to selectively target tumor cancer cells. Our study presents magnetodynamic nanotherapy using DNA aptamer-functionalized 50 nm gold-coated magnetic nanoparticles exposed to a low frequency alternating magnetic field for selective elimination of tumor cells in vivo...
2017: Theranostics
https://www.readbyqxmd.com/read/28884769/an-experimental-and-computational-framework-for-engineering-multifunctional-nanoparticles-designing-selective-anticancer-therapies
#5
A Aires, J F Cadenas, R Guantes, A L Cortajarena
A key challenge in the treatment of cancer with nanomedicine is to engineer and select nanoparticle formulations that lead to the desired selectivity between tumorigenic and non-tumorigenic cells. To this aim, novel designed nanomaterials, deep biochemical understanding of the mechanisms of interaction between nanomaterials and cells, and computational models are emerging as very useful tools to guide the design of efficient and selective nanotherapies. This works shows, using a combination of detailed experimental approaches and simulations, that the specific targeting of cancer cells in comparison to non-tumorigenic cells can be achieved through the custom design of multivalent nanoparticles...
September 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28868970/the-use-of-nanoparticulates-to-treat-breast-cancer
#6
Xiaomeng Tang, Welley S Loc, Cheng Dong, Gail L Matters, Peter J Butler, Mark Kester, Craig Meyers, Yixing Jiang, James H Adair
Breast cancer is a major ongoing public health issue among women in both developing and developed countries. Significant progress has been made to improve the breast cancer treatment in the past decades. However, the current clinical approaches are invasive, of low specificity and can generate severe side effects. As a rapidly developing field, nanotechnology brings promising opportunities to human cancer diagnosis and treatment. The use of nanoparticulate-based platforms overcomes biological barriers and allows prolonged blood circulation time, simultaneous tumor targeting and enhanced accumulation of drugs in tumors...
October 2017: Nanomedicine
https://www.readbyqxmd.com/read/28860754/nanomedicine-applications-in-the-treatment-of-breast-cancer-current-state-of-the-art
#7
REVIEW
Di Wu, Mengjie Si, Hui-Yi Xue, Ho-Lun Wong
Breast cancer is the most common malignant disease in women worldwide, but the current drug therapy is far from optimal as indicated by the high death rate of breast cancer patients. Nanomedicine is a promising alternative for breast cancer treatment. Nanomedicine products such as Doxil(®) and Abraxane(®) have already been extensively used for breast cancer adjuvant therapy with favorable clinical outcomes. However, these products were originally designed for generic anticancer purpose and not specifically for breast cancer treatment...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28860751/quercetin-mediated-synthesis-of-graphene-oxide-silver-nanoparticle-nanocomposites-a-suitable-alternative-nanotherapy-for-neuroblastoma
#8
Yu-Guo Yuan, Yan-Hong Wang, Hui-Hui Xing, Sangiliyandi Gurunathan
BACKGROUND: Graphene and graphene-related materials have gained substantial interest from both academia and industry for the development of unique nanomaterials for biomedical applications. Graphene oxide (GO) and silver nanoparticles (AgNPs) are a valuable platform for the development of nanocomposites, permitting the combination of nanomaterials with different physical and chemical properties to generate novel materials with improved and effective functionalities in a single platform...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28855208/bone-induced-expression-of-integrin-%C3%AE-3-enables-targeted-nanotherapy-of-breast-cancer-metastases
#9
Michael H Ross, Alison K Esser, Gregory C Fox, Anne H Schmieder, Xiaoxia Yang, Grace Hu, Dipanjan Pan, Xinming Su, Yalin Xu, Deborah V Novack, Thomas Walsh, Graham A Colditz, Gabriel H Lukaszewicz, Elizabeth Cordell, Joshua S Novack, James A J Fitzpatrick, David L Waning, Khalid S Mohammad, Theresa A Guise, Gregory M Lanza, Katherine N Weilbaecher
Bone metastases occur in ~70% of metastatic breast cancer patients often leading to skeletal injuries. Current treatments are mainly palliative and underscore the unmet clinical need for improved therapies. In this study, we provide preclinical evidence for an antimetastatic therapy based on targeting integrin β3 (β3) which is selectively induced on breast cancer cells in bone by the local bone microenvironment. In a preclinical model of breast cancer, β3 was strongly expressed on bone metastatic cancer cells but not primary mammary tumors or visceral metastases...
August 30, 2017: Cancer Research
https://www.readbyqxmd.com/read/28827674/analyses-in-zebrafish-embryos-reveal-that-nanotoxicity-profiles-are-dependent-on-surface-functionalization-controlled-penetrance-of-biological-membranes
#10
Ilkka Paatero, Eudald Casals, Rasmus Niemi, Ezgi Özliseli, Jessica M Rosenholm, Cecilia Sahlgren
Mesoporous silica nanoparticles (MSNs) are extensively explored as drug delivery systems, but in depth understanding of design-toxicity relationships is still scarce. We used zebrafish (Danio rerio) embryos to study toxicity profiles of differently surface functionalized MSNs. Embryos with the chorion membrane intact, or dechoroniated embryos, were incubated or microinjected with amino (NH2-MSNs), polyethyleneimine (PEI-MSNs), succinic acid (SUCC-MSNs) or polyethyleneglycol (PEG-MSNs) functionalized MSNs. Toxicity was assessed by viability and cardiovascular function...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819209/synergistic-immuno-photothermal-nanotherapy-symphony-for-the-treatment-of-unresectable-and-metastatic-cancers
#11
Yang Liu, Paolo Maccarini, Gregory M Palmer, Wiguins Etienne, Yulin Zhao, Chen-Ting Lee, Xiumei Ma, Brant A Inman, Tuan Vo-Dinh
Metastatic spread is the mechanism in more than 90 percent of cancer deaths and current therapeutic options, such as systemic chemotherapy, are often ineffective. Here we provide a proof of principle for a novel two-pronged modality referred to as Synergistic Immuno Photothermal Nanotherapy (SYMPHONY) having the potential to safely eradicate both primary tumors and distant metastatic foci. Using a combination of immune-checkpoint inhibition and plasmonic gold nanostar (GNS)-mediated photothermal therapy, we were able to achieve complete eradication of primary treated tumors and distant untreated tumors in some mice implanted with the MB49 bladder cancer cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28778000/non-proinflammatory-and-responsive-nanoplatforms-for-targeted-treatment-of-atherosclerosis
#12
Yin Dou, Yue Chen, Xiangjun Zhang, Xiaoqiu Xu, Yidan Chen, Jiawei Guo, Dinglin Zhang, Ruibing Wang, Xiaohui Li, Jianxiang Zhang
Atherosclerosis is the leading cause of many fatal cardiovascular and cerebrovascular diseases. Whereas nanomedicines are promising for targeted therapy of atherosclerosis, great challenges remain in development of effective, safe, and translational nanotherapies for its treatment. Herein we hypothesize that non-proinflammatory nanomaterials sensitive to low pH or high reactive oxygen species (ROS) may serve as effective platforms for triggerable delivery of anti-atherosclerotic therapeutics in cellular and tissue microenvironments of inflammation...
July 29, 2017: Biomaterials
https://www.readbyqxmd.com/read/28714508/gold-glyconanoparticles-coupled-to-listeriolysin-o-91-99-peptide-serve-as-adjuvant-therapy-against-melanoma
#13
R Calderon-Gonzalez, H Terán-Navarro, I García, M Marradi, D Salcines-Cuevas, S Yañez-Diaz, A Solis-Angulo, E Frande-Cabanes, M C Fariñas, A Garcia-Castaño, J Gomez-Roman, S Penades, F Rivera, J Freire, C Álvarez-Domínguez
Dendritic cell-based (DC-based) vaccines are promising immunotherapies for cancer. However, several factors, such as the lack of efficient targeted delivery and the sources and types of DCs, have limited the efficacy of DCs and their clinical potential. We propose an alternative nanotechnology-based vaccine platform with antibacterial prophylactic abilities that uses gold glyconanoparticles coupled to listeriolysin O 91-99 peptide (GNP-LLO91-99), which acts as a novel adjuvant for cancer therapy. GNP-LLO91-99, when used to vaccinate mice, exhibited dual antitumour activities, namely, the inhibition of tumour migration and growth and adjuvant activity for recruiting and activating DCs, including those from melanoma patients...
August 3, 2017: Nanoscale
https://www.readbyqxmd.com/read/28714245/drug-loaded-multifunctional-nanoparticles-targeted-to-the-endocardial-layer-of-the-injured-heart-modulate-hypertrophic-signaling
#14
Mónica P A Ferreira, Sanjeev Ranjan, Sini Kinnunen, Alexandra Correia, Virpi Talman, Ermei Mäkilä, Brianda Barrios-Lopez, Marianna Kemell, Vimalkumar Balasubramanian, Jarno Salonen, Jouni Hirvonen, Heikki Ruskoaho, Anu J Airaksinen, Hélder A Santos
Ischemic heart disease is the leading cause of death globally. Severe myocardial ischemia results in a massive loss of myocytes and acute myocardial infarction, the endocardium being the most vulnerable region. At present, current therapeutic lines only ameliorate modestly the quality of life of these patients. Here, an engineered nanocarrier is reported for targeted drug delivery into the endocardial layer of the left ventricle for cardiac repair. Biodegradable porous silicon (PSi) nanoparticles are functionalized with atrial natriuretic peptide (ANP), which is known to be expressed predominantly in the endocardium of the failing heart...
July 17, 2017: Small
https://www.readbyqxmd.com/read/28701478/conjugation-does-not-conquer-all-in-cancer-nanotherapy
#15
Christopher Hine
Vaccination with potato virus X nanoparticles enhances the efficacy of traditional doxorubicin anticancer therapy against a mouse melanoma tumor model.
July 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28697660/neuroprotective-effects-of-a-biodegradable-poly-lactic-co-glycolic-acid-ginsenoside-rg3-nanoformulation-a-potential-nanotherapy-for-alzheimer-s-disease
#16
Ravikumar Aalinkeel, Hilliard L Kutscher, Ajay Singh, Katherine Cwiklinski, Noor Khechen, Stanley A Schwartz, Paras N Prasad, Supriya D Mahajan
It is well established that overproduction and accumulation of the β-amyloid (Aβ) peptide 1-42 (Aβ(1-42)) is a trigger of the pathological cascade in Alzheimer's disease (AD) that manifests as cognitive impairment. Ginsenoside Rg3 is an important constituent of ginseng, plays an essential role in memory and improved cognition, and is known to produce antioxidant effects via the reduction of free radicals. Therefore, ginsenoside Rg3 may be a promising candidate as a neuroprotective agent for the treatment of AD...
July 12, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28662901/sonic-hedgehog-pathway-inhibition-normalizes-desmoplastic-tumor-microenvironment-to-improve-chemo-and-nanotherapy
#17
Fotios Mpekris, Panagiotis Papageorgis, Christiana Polydorou, Chrysovalantis Voutouri, Maria Kalli, Athanassios P Pirentis, Triantafyllos Stylianopoulos
Targeting the rich extracellular matrix of desmoplastic tumors has been successfully shown to normalize collagen and hyaluronan levels and re-engineer intratumoral mechanical forces, improving tumor perfusion and chemotherapy. As far as targeting the abundant cancer-associated fibroblasts (CAFs) in desmoplastic tumors is concerned, while both pharmacologic inhibition of the sonic-hedgehog pathway and genetic depletion of fibroblasts have been employed in pancreatic cancers, the results between the two methods have been contradictory...
September 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28635372/peptide-functionalized-nanoparticles-for-the-selective-induction-of-apoptosis-in-target-cells
#18
Nicole Remaliah S Sibuyi, Ntevheleni Thovhogi, Kwazikwakhe B Gabuza, Miche D Meyer, Mustafa Drah, Martin O Onani, Amanda Skepu, Abram M Madiehe, Mervin Meyer
AIM: The study developed a prohibitin (PHB) targeted nanotherapy for selective induction of apoptosis in target cells. METHODS: Gold nanoparticles (AuNPs) were bifunctionalized with adipose homing and proapoptotic peptides. The efficacy and mode of cell death induced by the AuNPs were investigated in vitro on three cancer cell lines. RESULTS: The antiproliferative activity of PHB-targeted bifunctionalized AuNPs was more pronounced on cells that express the PHB receptor, and demonstrated receptor-mediated targeting and selectivity...
June 21, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28544846/genomic-dna-interactions-mechanize-peptidotoxin-mediated-anticancer-nanotherapy
#19
Santosh K Misra, Aaron S Schwartz-Duval, Dipanjan Pan
Host defense peptides (HDPs) are a class of evolutionarily conserved substances of the innate immune response that have been identified as major players in the defense system in many living organisms. Some of the HDPs are also referred to as peptidotoxins, which offer immense potential for anticancer therapy. However, their therapeutic potential is yet to be fully translated mainly due to their off-target toxicity. Here we show that their nanoenabled delivery may become beneficial in controlling their delivery in intracellular space...
June 7, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28532082/ultrasonic-nanotherapy-of-breast-cancer-using-novel-ultrasound-responsive-alginate-shelled-perfluorohexane-nanodroplets-in-vitro-and-in-vivo-evaluation
#20
Fatemeh Baghbani, Mahdieh Chegeni, Fathollah Moztarzadeh, Jamshid Aghazadeh Mohandesi, Manijhe Mokhtari-Dizaji
Development of a new class of multifunctional ultrasound-responsive smart nanocarriers that combine therapeutic properties with diagnostic imaging has gained great attention in recent years. Here, we describe the results of ultrasonic nanotherapy of breast cancer using novel alginate-stabilized perfluorohexane nanodroplets. Doxorubicin (Dox)-loaded multifunctional nanodroplets (Dox-NDs) were synthesized via nanoemulsion process and evaluated in vitro and in vivo with focus on cytotoxicity, hemolytic activity, biodistribution, biosafety, and antitumor activity...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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