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https://www.readbyqxmd.com/read/28645043/in-vitro-and-in-vivo-behavior-of-dna-tetrahedrons-as-tumor-targeting-nanocarriers-for-doxorubicin-delivery
#1
Ji Hee Kang, Kyoung-Ran Kim, Hyukjin Lee, Dae-Ro Ahn, Young Tag Ko
Deoxyribonucleic acid (DNA) is a versatile material with high applicability and inherent biocompatibility. L-DNA, the perfect mirror form of the naturally occurring D-DNA, has been used in DNA nanotechnology. It has thermodynamically identical properties to D-DNA, is capable of self-assembly and bio-orthogonal base-pairing, and is resistant to nuclease activity. We previously constructed an L-DNA tetrahedron (L-Td) and found that this nanostructure has remarkably higher capacity for cell penetration than its natural counterpart (D-Td)...
June 16, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28643475/tailoring-of-physicochemical-properties-of-nanocarriers-for-effective-anti-cancer-applications
#2
REVIEW
Swaroop Chakraborty, Geethanjali S Dhakshinamurthy, Superb K Misra
Nanotechnology has emerged strongly as a viable option to overcome the challenge of early diagnosis and effective drug delivery, for cancer treatment. Emerging research articles have expounded the advantages of using a specific type of nanomaterial-based system called as "nanocarriers," for anti-cancer therapy. The nanocarrier system is used as a transport unit for targeted drug delivery of the therapeutic drug moiety. In order for the nanocarriers to be effective for anticancer therapy, their physicochemical parameter needs to be tuned so that bio-functionalisation can be achieved to a) allow drugs being attached to the substrate and for their controlled release, b) ensure the stability of the nanocarrier up to the point of delivery, and c) clearance of the nanocarrier after the delivery...
June 23, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28643452/emerging-nanotechnology-and-advanced-materials-for-cancer-radiation-therapy
#3
REVIEW
Guosheng Song, Liang Cheng, Yu Chao, Kai Yang, Zhuang Liu
Radiation therapy (RT) including external beam radiotherapy (EBRT) and internal radioisotope therapy (RIT) has been widely used for clinical cancer treatment. However, owing to the low radiation absorption of tumors, high doses of ionizing radiations are often needed during RT, leading to severe damages to normal tissues adjacent to tumors. Meanwhile, the RT efficacies are limited by different mechanisms, among which the tumor hypoxia-associated radiation resistance is a well-known one, as there exists hypoxia inside most solid tumors while oxygen is essential to enhance radiation-induced DNA damages...
June 23, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28624477/nanoformulations-for-combination-or-cascade-anticancer-therapy
#4
Lei Miao, Shutao Guo, C Michael Lin, Qi Liu, Leaf Huang
Nanoparticle drug formulations have been extensively investigated, developed, and in some cases, approved by the Food and Drug Administration (FDA). Synergistic combinations of drugs having distinct tumor-inhibiting mechanisms and non-overlapping toxicity can circumvent the issue of treatment resistance and may be essential for effective anti-cancer therapy. At the same time, co-delivery of a combined regimen by a single nanocarrier presents a challenge due to differences in solubility, molecular weight, functional groups and encapsulation conditions between the two drugs...
June 14, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28624216/gold-nanoparticles-for-bcr-abl1-gene-silencing-improving-tyrosine-kinase-inhibitor-efficacy-in-chronic-myeloid-leukemia
#5
Raquel Vinhas, Alexandra R Fernandes, Pedro V Baptista
Introduction of tyrosine kinase inhibitors for chronic myeloid leukemia treatment is associated with a 63% probability of maintaining a complete cytogenetic response, meaning that over 30% patients require an alternative methodology to overcome resistance, tolerance, or side effects. Considering the potential of nanotechnology in cancer treatment and the benefits of a combined therapy with imatinib, a nanoconjugate was designed to achieve BCR-ABL1 gene silencing. Gold nanoparticles were functionalized with a single-stranded DNA oligonucleotide that selectively targets the e14a2 BCR-ABL1 transcript expressed by K562 cells...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28621571/targeted-nanotechnologies-for-cancer-intervention-a-patent-review-2010-2016
#6
Priyamvada Pradeep, Pradeep Kumar, Yahya E Choonara, Viness Pillay
In recent years, several active targeting nanostrategies have been patented for application in cancer theranostics. The versatility of nanostructures in terms of composition, manufacturability, functionalization, and matrix formation make them ideal for carrying large dose of bioactive contents, high density of targeting ligands on their surface, efficient delivery to the site of interest, and capable of forming multicomponent platforms. Areas covered: The patents were classified into polymeric and non-polymeric nanostructures and their applicability in addressing the targeting paradigm related to cancer intervention was explored...
June 22, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28610396/nanoparticle-delivery-of-artesunate-enhances-the-anti-tumor-efficiency-by-activating-mitochondria-mediated-cell-apoptosis
#7
Rui Liu, Xiwei Yu, Chang Su, Yijie Shi, Liang Zhao
Artemisinin and its derivatives were considered to exert a broad spectrum of anti-cancer activities, and they induced significant anti-cancer effects in tumor cells. Artemisinin and its derivatives could be absorbed quickly, and they were widely distributed, selectively killing tumor cells. Since low concentrations of artesunate primarily depended on oncosis to induce cell death in tumor cells, its anti-tumor effects were undesirable and limited. To obtain better anti-tumor effects, in this study, we took advantage of a new nanotechnology to design novel artesunate-loaded bovine serum albumin nanoparticles to achieve the mitochondrial accumulation of artesunate and induce mitochondrial-mediated apoptosis...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28608554/combination-of-nanotechnology-with-vascular-targeting-agents-for-effective-cancer-therapy
#8
REVIEW
Rana Jahanban-Esfahlan, Khaled Seidi, Behnaz Banimohamad-Shotorbani, Ali Jahanban-Esfahlan, Bahman Yousefi
As a young science, nanotechnology promptly integrated into the current oncology practice. Accordingly, various nanostructure particles were developed to reduce drug toxicity and allow the targeted delivery of various diagnostic and therapeutic compounds to the cancer cells. New sophisticated nanosystems constantly emerge to improve the performance of current anticancer modalities. Targeting tumor vasculature is an attractive strategy to fight cancer. Though the idea was swiftly furthered from basic science to the clinic, targeting tumor vasculature had a limited potential in patients, where tumors relapse due to the development of multiple drug resistance and metastasis...
June 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28590117/nanotechnology-enhanced-no-wash-biosensors-for-in-vitro-diagnostics-of-cancer
#9
Xiaolin Huang, Yijing Liu, Bryant Yung, Yonghua Xiong, Xiaoyuan Chen
In vitro biosensors have been an integral component for early diagnosis of cancer in the clinic. Among them, no-wash biosensors, which only depend on the simple mixing of the signal generating probes and the sample solution without additional washing and separation steps, have been found to be particularly attractive. The outstanding advantages of facile, convenient, and rapid response of no-wash biosensors are especially suitable for point of care testing (POCT). One fast-growing field of no-wash biosensor design involves the usage of nanomaterials as signal amplification carriers or direct signal generating elements...
June 7, 2017: ACS Nano
https://www.readbyqxmd.com/read/28584786/nirf-heptamethine-cyanine-dye-nanocomplexes-for-multi-modal-theranosis-of-tumors
#10
REVIEW
Reju George Thomas, Yong Yeon Jeong
Heptamethine cyanine dyes are categorized as a class of near infrared fluorescent (NIRF) dyes which have been discovered to have tumor targeting and accumulation capability. This unique feature of NIRF dye makes it a promising candidate for imaging, targeted therapy and also as a drug delivery vehicle for various types of cancers. The favored uptake of dyes only in cancer cells is facilitated by several factors which include organic anion-transporting polypeptides, high mitochondrial membrane potential and tumor hypoxia in cancer cells...
May 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/28584572/journey-of-trail-from-bench-to-bedside-and-its-potential-role-in-immuno-oncology
#11
REVIEW
George E Naoum, Donald J Buchsbaum, Fady Tawadros, Ammad Farooqi, Waleed O Arafat
Induction of apoptosis in cancer cells has increasingly been the focus of many therapeutic approaches in oncology field. Since its identification as a TNF family member, TRAIL (TNF-related apoptosis-inducing ligand) paved a new path in apoptosis inducing cancer therapies. Its selective ability to activate extrinsic and intrinsic cell death pathways in cancer cells only, independently from p53 mutations responsible for conventional therapeutics resistance, spotted TRAIL as a potent cancer apoptotic agent. Many recombinant preparations of TRAIL and death receptor targeting monoclonal antibodies have been developed and being tested pre-clinically and clinically both as a single agent and in combinations...
March 3, 2017: Oncology Reviews
https://www.readbyqxmd.com/read/28583007/biosynthesized-gold-and-silver-nanoparticles-by-aqueous-fruit-extract-of-chaenomeles-sinensis-and-screening-of-their-biomedical-activities
#12
Keun Hyun Oh, Veronika Soshnikova, Josua Markus, Yeon Ju Kim, Sang Chul Lee, Priyanka Singh, Verónica Castro-Aceituno, Sungeun Ahn, Dong Hyun Kim, Yeon Jae Shim, Yu Jin Kim, Deok Chun Yang
The design of mild and non-toxic synthesis of metallic nanoparticles is a topical subject in the nanotechnology field. The objective of this present study is to screen the bioactivity of biosynthesized nanoparticles by aqueous fruit extract of Chaenomeles sinensis. The reducing and stabilizing ability of C. sinensis to fabricate gold (Cs-AuNps) and silver (Cs-AgNps) nanoparticles was confirmed by UV-visible (UV-Vis) spectroscopy at 562 nm and 477 nm, respectively. The field-emission transmission electron microscopy (FE-TEM) and X-ray diffraction analysis (XRD) verify the nano-scale morphology and crystallinity of Cs-AuNps (20-40 nm) and Cs-AgNps (5-20 nm)...
June 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28575959/multifunctional-inulin-tethered-silver-graphene-quantum-dots-nanotheranostic-module-for-pancreatic-cancer-therapy
#13
Preeti Nigam Joshi, Sachin Agawane, Meghana C Athalye, Vrushali Jadhav, Dhiman Sarkar, Rajiv Prakash
Cancer nanotechnology is an emerging area of cancer diagnosis and therapy. Although considerable progress has been made for targeted drug delivery systems to deliver anticancer agents to particular site of interest, new nanomaterials are frequently being developed and explored for better drug delivery efficiency. In the present work, we have explored a novel nanoformulation based on silver-graphene quantum dots (Ag-GQDs) nanocomposite for its successful implementation for pancreatic cancer specific drug delivery in wistar rats...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28574639/dna-origami-applications-in-cancer-therapy
#14
REVIEW
Anuttara Udomprasert, Thaned Kangsamaksin
Due to the complexity and heterogeneity of cancer, the development of cancer diagnosis and therapy is still progressing, and a complete understanding of cancer biology still remain elusive. Recently, cancer nanomedicine has gained much interest as promising diagnostic and therapeutic strategies as a wide range of nanomaterials possess unique physical properties that can render drug delivery systems more effective and safer. Also, targeted drug delivery and precision medicine have now become a new paradigm in cancer therapy...
June 2, 2017: Cancer Science
https://www.readbyqxmd.com/read/28572701/protease-sensitive-nanomaterials-for-cancer-therapeutics-and-imaging
#15
REVIEW
Caleb F Anderson, Honggang Cui
Many diseases can be characterized by the abnormal activity exhibited by various biomolecules, the targeting of which can provide therapeutic and diagnostic utility. Recent trends in medicine and nanotechnology have prompted the development of protease-sensitive nanomaterials systems for therapeutic, diagnostic, and theranostic applications. These systems can act specifically in response to the target enzyme and its associated disease conditions, thus enabling personalized treatment and improved prognosis. In this Review, we discuss recent advancements in the development of protease-responsive materials for imaging and drug delivery and analyze several representative systems to illustrate their key design principles...
May 24, 2017: Industrial & Engineering Chemistry Research
https://www.readbyqxmd.com/read/28543603/silver-nanoparticles-antimicrobial-activity-cytotoxicity-and-synergism-with-n-acetyl-cysteine
#16
Selwan Hamed, Mohamed Emara, Riham M Shawky, Ramadan A El-Domany, Tareq Youssef
The fast progression of nanotechnology has led to novel therapeutic interventions. Antimicrobial activities of silver nanoparticles (Ag NPs) were tested against standard ATCC strains of Staphylococcus aureus (ATCC 9144), Escherichia coli (O157:H7), Pseudomonas aeruginosa (ATCC 27853), and Candida albicans (ATCC 90028) in addition to 60 clinical isolates collected from cancer patients. Antimicrobial activity was tested by disk diffusion method and MIC values for Ag NPs alone and in combination with N-acetylcysteine (NAC) against tested pathogens were determined by broth microdilution method...
May 22, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28543172/nanoparticles-as-new-tools-for-inhibition-of-cancer-angiogenesis
#17
REVIEW
Nasser Hashemi Goradel, Farshid Ghiyami-Hour, Samira Jahangiri, Babak Negahdari, Amirhossein Sahebkar, Aria Masoudifar, Hamed Mirzaei
Angiogenesis is known as one of the hallmarks of cancer. Multiple lines evidence indicated that vascular endothelium growth factor (VEGF) is a key player in the progression of angiogenesis and exerts its functions via interaction with tyrosine kinase receptors (TKRs). These receptors could trigger a variety of cascades that lead to the supply of oxygen and nutrients to tumor cells and survival of these cells. With respect to pivotal role of angiogenesis in the tumor growth and survival, finding new therapeutic approaches via targeting angiogenesis could open a new horizon in cancer therapy...
May 25, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28534355/in-vitro-antiproliferative-effects-of-nab-paclitaxel-with-liposomal-cisplatin-on-mda-mb-231-and-mcf-7-breast-cancer-cell-lines
#18
Idil Cetin, Mehmet R Topcul
PURPOSE: In this study, the in vitro cytotoxic effect of nanotechnological drugs nab-paclitaxel and liposomal cisplatin combination was evaluated on MDA-MB-231 and MCF-7 breast cancer cell lines. METHODS: For this purpose cell viability, cell index values obtained from xCELLigence RTCA (Real-Time Cell Analysis) DP instrument, mitotic index (MI), apoptotic index (AI) and labelling index (LI) analysis among cell kinetic parameters were used. A1L25: 1 μg/ml nab-paclitaxel+25 μg/ml liposomal cisplatin, A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin and A10L5: 10 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin for MDA-MB-231 cell line and A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin, A1L10: 1 μg/ml nab-paclitaxel+10 μg/ml liposomal cisplatin and A5L1: 5 μg/ml nab-paclitaxel+1 μg/ml liposomal cisplatin doses for MCF-7 were applied for 24-72 hrs...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28521696/nanotechnology-as-a-promising-strategy-for-anticancer-drug-delivery
#19
Mona Basha
Cancer was and still a very stressful and urgent disease condition representing a leading cause of death in developed as well as developing countries. Although, much research work in both medical and pharmaceutical fields has evolved in the past few years in addition to some promising clinical trials and few market products, cancer becomes much wilder, threatening and getting more lives. Most approaches have focused on the synthesis of new active ingredients or chemical modification of available ones, formulating them in suitable dosage forms aiming for targeted and effective drug delivery with minimal side effects...
May 15, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28521675/chemotherapy-with-si-rna-and-anti-cancer-drugs
#20
Kamaljeet Kaur, Goutam Rath, Saket Chandra, Ranjit Singh, Amit K Goyal
To treat cancer, chemotherapy is a key therapeutic approach which is associated with several limitations. This chemotherapeutical agents exhibit multi drug resistance coupled with undesirable side effects. This multidrug resistance is exhibited by tumor cell due to actuation of drug out flow mechanism, programmed cell death and protection mechanisms etc. One of the therapeutic approaches to cure cancer is RNA interference (RNAi). Small interfering RNA (si-RNA) is considered as a major therapeutic tool used to control expression of a particular gene...
May 18, 2017: Current Drug Delivery
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