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https://www.readbyqxmd.com/read/29777858/cd44-targeted-plga-nanomedicines-for-cancer-chemotherapy
#1
REVIEW
Ankit Saneja, Divya Arora, Robin Kumar, Ravindra Dhar Dubey, Amulya K Panda, Prem N Gupta
In recent years scientific community has drawn a great deal of attention towards understanding the enigma of cluster of differentiation-44 (CD44) in order to deliver therapeutic agents more selectively towards tumor tissues. Moreover, its over-expression in variety of solid tumors has attracted drug delivery researchers to target this receptor with nanomedicines. Conventional nanomedicines based on biodegradable polymers such as poly(lactide-co-glycolide) (PLGA) are often associated with insufficient cellular uptake by cancer cells, due to lack of active targeting moiety on their surface...
May 16, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29768877/decoration-of-a-poly-methyl-vinyl-ether-co-maleic-anhydride-shelled-selol-nanocapsule-with-folic-acid-increases-its-activity-against-different-cancer-cell-lines-in-vitro
#2
Rayane Ganassin, Ludmilla Regina de Souza, Karen Rapp Py-Daniel, João Paulo Figueiró Longo, Janaína Moreira Coelho, Mosar Correa Rodrigues, Cheng-Shi Jiang, Jinsong Gu, Paulo César de Morais, Ewa Mosiniewicz-Szablewska, Piotr Suchocki, Sônia Nair Báo, Ricardo Bentes Azevedo, Luis Alexandre Muehlmann
Due to the low therapeutic index of different chemotherapeutic drugs used for cancer treatment, the development of new anticancer drugs remains an intense field of research. A recently developed mixture of selenitetriacylglycerides, selol, was shown to be active against different cancer cells in vitro. As this compound is highly hydrophobic, it was encapsulated, in a previous study, into poly(methyl vinyl ether-co-maleic anhydride)-shelled nanocapsules in order to improve its dispersibility in aqueous media...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29765171/risks-and-protective-factors-for-triple-negative-breast-cancer-with-a-focus-on-micronutrients-and-infections
#3
Dagmar Horakova, Katerina Bouchalova, Karel Cwiertka, Ladislav Stepanek, Jana Vlckova, Helena Kollarova
Triple negative breast cancer (TNBC) is an aggressive form of breast cancer (BC) with a poor prognosis. Second, patients cannot benefit from targeted therapy, except for those with BRCA1/2 mutations, for whom poly (ADP-ribose) polymerase (PARP) inhibition therapy using olaparib has recently been approved. As global priorities continue to be epidemiological analysis of BC risk factors and early diagnosis, this review focuses on the risks and protective factors associated with TNBC. A PubMed keyword search for new knowledge on the risks and protective factors for TNBC was carried out...
May 15, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29752088/folic-acid-cysteamine-modified-gold-nanoparticle-as-a-nanoprobe-for-targeted-computed-tomography-imaging-of-cancer-cells
#4
Sara Khademi, Saeed Sarkar, Ali Shakeri-Zadeh, Neda Attaran, Sharmin Kharrazi, Mohammad Reza Ay, Hossein Ghadiri
Development of various cost-effective multifunctional nanoprobes for efficient targeted molecular imaging of tumors remains a great challenge in medicine. Herein, we report a simple method of forming folic acid-targeted multifunctional gold nanoparticles via cost-effective cysteamine as a template for tumor molecular computed tomography (CT) imaging technique. The formed multifunctional cysteamine-folic acid conjugated gold nanoparticles (FA-Cys-AuNPs) were characterized via different techniques. Colony assay, hematoxylin and eosin (H&E), MTT, and flow cytometry analysis were used to evaluate the cytocompatibility of the particles...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29740106/the-association-between-mthfr-polymorphism-and-cervical-cancer
#5
Jiao-Mei Gong, Yong Shen, Wan-Wan Shan, Yan-Xia He
Cervical cancer is an extremely prevalent disease worldwide. The purpose of this study was to illustrate the relationship between methylenetetrahydrofolate reductase (MTHFR) polymorphisms or methionine synthase reductase (MTRR) polymorphisms and cervical cancer. There were 372 women who performed genetic and folic acid assessments. For the MTHFR C677T, there was no significant difference in the distribution of C allele and T allele in the three groups. However, the mutant C allele of MTHFR A1298C was significantly higher in the cancer group than in the normal group...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29734009/folic-acid-modified-cell-membrane-capsules-encapsulated-doxorubicin-and-indocyanine-green-for-highly-effective-combinational-therapy-in-vivo
#6
Xiao Li, Xinlian Zhao, Dinesh Pardhi, Qianqian Wu, Yong Zheng, Huihui Zhu, Zhengwei Mao
A combination of chemotherapy and phototherapy has emerged as a promising strategy for cancer treatment. To achieve effective combinational therapy of cancer with reduced toxicity, it is highly desirable to improve the targeting of chemotherapeutic and near-infrared photosensitizers to enhance their accumulation in tumor. Here we report a novel tumor targeting cell membrane capsule (CMC), originate from living cells, to load doxorubicin hydrochloride (DOX) and indocyanine green (ICG), for combinational photo-chemotherapy against cancer...
May 4, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29733890/in-vivo-near-infrared-fluorescence-imaging-and-dynamic-quantification-of-pancreatic-metastatic-tumors-using-folic-acid-conjugated-biodegradable-mesoporous-silica-nanoparticles
#7
Hanrui Li, Ke Li, Yunpeng Dai, Xinyi Xu, Xu Cao, Qi Zeng, Huyulong He, Liaojun Pang, Jimin Liang, Xueli Chen, Yonghua Zhan
Cancer metastasis is one of the biggest challenges in cancer treatments since it increases the likelihood that a patient will die from the disease. Therefore, the availability of techniques for the early detection and quantification of tumors is very important. We have prepared cyanine 7.5 NHS ester (Cy7.5 ) and folic acid (FA) conjugated biodegradable mesoporous silica nanoparticles (bMSN@Cy7.5 -FA NPs) (~100 nm) for visualizing tumors in vivo. The fluorescence spectra revealed that the emission peak of bMSN@Cy7...
May 4, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29733551/folate-conjugated-and-dual-stimuli-responsive-mixed-micelles-loading-indocyanine-green-for-photothermal-and-photodynamic-therapy
#8
Yu-Ying Chien, Tung-Yun Wang, Po-Wen Liao, Wen-Chung Wu, Ching-Yi Chen
A folic acid targeted mixed micelle system based on co-assembly of poly(ε-caprolactone)-b-poly(methoxytri(ethylene glycol) methacrylate-co-N-(2-methacrylamido)ethyl folatic amide) and poly(ε-caprolactone)-b-poly(diethylene glycol monomethyl ether methacrylate) is developed to encapsulate indocyanine green (ICG) for photothermal therapy and photodynamic therapy. In this study, the use of folic acid is not only for specific cancer cell recognition, but also in virtue of the carboxylic acid on folic acid to regulate the pH-dependent thermal phase transition of polymeric micelles for controlled drug release...
May 7, 2018: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29725730/facile-one-pot-synthesis-of-multifunctional-polyphosphazene-nanoparticles-as-multifunctional-platform-for-tumor-imaging
#9
Zongfang Wang, Min Hu, Shugang Hu, Jia Han, Zhenzhen Wang, Yanke Chen, Cheng Huang, Lei Fu, Zhenxi Zhang
By integrating imaging and drug-delivery in a single system, fluorescent nano-multifunctional imaging platforms can offer simultaneous diagnosis and therapy to diseases like cancer. However, the synthesis of such system involves a tedious, time-consuming, and multi-step process. Herein we report a facile method based on simple ultrasonication to synthesize highly cross-linked, monodispersed fluorescent polyphosphazene nanoparticles from hexachlorocyclotriphosphazene (HCCP) and dichlorofluorescein (FD). Various functional groups (folic acid, PEG-NH2 , and methylene blue) can be "fastened" in situ onto the poly(cyclotriphosphazene-co-dichlorofluorescein) (PCTPDF) nanoparticles to expand its application as nano-multifunctional platform...
May 3, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29699810/characterization-of-folic-acid-surface-coated-selenium-nanoparticles-and-corresponding-in-vitro-and-in-vivo-effects-against-breast-cancer
#10
Ahmad Reza Shahverdi, Faranak Shahverdi, Elnaz Faghfuri, Mohammad Reza Khoshayand, Faranak Mavandadnejad, Mohammad Hossein Yazdi, Mohsen Amini
BACKGROUNDS AND AIMS: Selenium nanoparticles (SeNPs) have been reported to exhibit an inhibitory effect on cancer cells. In the present study, we aimed to compare the in vitro and in vivo effects of SeNPs and folic acid surface-coated selenium nanoparticles (FA@SeNPs) on breast cancer. METHODS: FA@SeNPs and SeNPs were chemically synthesized and characterized with different instrumental techniques. The cytotoxicity of both nanomaterials was evaluated against 4T1 cells...
April 23, 2018: Archives of Medical Research
https://www.readbyqxmd.com/read/29696360/randomized-phase-2-study-of-gemcitabine-and-cisplatin-with-or-without-vitamin-supplementation-in-patients-with-advanced-esophagogastric-cancer
#11
A A van Zweeden, C J van Groeningen, R J Honeywell, E Giovannetti, R Ruijter, C H Smorenburg, G Giaccone, H M W Verheul, G J Peters, Hans J van der Vliet
PURPOSE: Preclinical research and prior clinical observations demonstrated reduced toxicity and suggested enhanced efficacy of cisplatin due to folic acid and vitamin B12 suppletion. In this randomized phase 2 trial, we evaluated the addition of folic acid and vitamin B12 to first-line palliative cisplatin and gemcitabine in patients with advanced esophagogastric cancer (AEGC). METHODS: Patients with AEGC were randomized to gemcitabine 1250 mg/m2 (i.v. days 1, 8) and cisplatin 80 mg/m2 (i...
April 25, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29694478/multi-layered-tumor-targeting-photothermal-doxorubicin-releasing-nanotubes-eradicate-tumors-in-vivo-with-negligible-systemic-toxicity
#12
Daquan Wang, Lingjie Meng, Zhaofu Fei, Chen Hou, Jiangang Long, Leli Zeng, Paul J Dyson, Peng Huang
Multi-layered single-walled carbon nanotubes, termed SWNT@BSA@Au-S-PEG-FA@DOX, which integrate photothermal therapy with small molecule drug delivery, were prepared using a facile layer-by-layer assembly process. Oxidized and cut single-walled carbon nanotubes (SWNTs) were coated with bovine serum albumin (BSA) to provide abundant active sites for the nucleation of Au seeds, which are subsequently converted into gold nanoparticles (Au NPs) by in situ reduction. The resulting SWNT@BSA@Au material exhibits ideal photothermal properties...
April 25, 2018: Nanoscale
https://www.readbyqxmd.com/read/29678549/title-reversal-of-drug-resistance-by-planetary-ball-milled-pbm-nanoparticle-loaded-with-resveratrol-and-docetaxel-in-prostate-cancer
#13
Santosh Kumar Singh, James W Lillard, Rajesh Singh
The folate receptor (FR) is a valued target that is highly expressed in various cancers, which will expedite the development of ligand-receptor binding based cancer therapeutics. In the present investigation, through tissue microarray analysis, we report higher levels of folate receptor expression in prostate cancer (PCa) tissue derived from patients, which were minimal in normal tissue. For folate-receptor based targeted therapy of PCa, we generated novel planetary ball milled (PBM) nanoparticles (NPs) encapsulated with resveratrol (RES), and in combination with docetaxel (DTX) and conjugated with folic acid (FA) on the surface...
April 17, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29668043/folate-deficiency-increases-chromosomal-damage-and-mutations-in-hematopoietic-cells-in-the-transgenic-mutamouse-model
#14
Danielle P LeBlanc, Nathalie A Behan, Jason M O'Brien, Francesco Marchetti, Amanda J MacFarlane
Folate deficiency causes megaloblastic anemia and neural tube defects, and is also associated with some cancers. In vitro, folate deficiency increases mutation frequency and genome instability, as well as exacerbates the mutagenic potential of known environmental mutagens. Conversely, it remains unclear whether or not elevated folic acid (FA) intakes are beneficial or detrimental to the induction of DNA mutations and by proxy human health. We used the MutaMouse transgenic model to examine the in vivo effects of FA deficient, control, and supplemented diets on somatic DNA mutant frequency (MF) and genome instability in hematopoietic cells...
April 18, 2018: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29665272/synergistic-targeting-and-efficient-photodynamic-therapy-based-on-graphene-oxide-quantum-dot-upconversion-nanocrystal-hybrid-nanoparticles
#15
Yan Liu, Yawen Xu, Xiangshuai Geng, Yingying Huo, Dexin Chen, Kang Sun, Guangdong Zhou, Biqiong Chen, Ke Tao
Locating nanotherapeutics at the active sites, especially in the subcellular scale, is of great importance for nanoparticle-based photodynamic therapy (PDT) and other nanotherapies. However, subcellular targeting agents are generally nonspecific, despite the fact that the accumulation of a nanoformulation at active organelles leads to better therapeutic efficacy. A PDT nanoformulation is herein designed by using graphene oxide quantum dots (GOQDs) with rich functional groups as both the supporter for dual targeting modification and the photosensitizer for generating reactive oxygen species, and upconversion nanoparticles (UCNs) as the transducer of excitation light...
April 17, 2018: Small
https://www.readbyqxmd.com/read/29652827/a-dual-bioconjugated-virus-like-nanoparticle-as-a-drug-delivery-system-and-comparison-with-a-ph-responsive-delivery-system
#16
Roya Biabanikhankahdani, Kok Lian Ho, Noorjahan Banu Alitheen, Wen Siang Tan
Modifications of virus-like nanoparticles (VLNPs) using chemical conjugation techniques have brought the field of virology closer to nanotechnology. The huge surface area to volume ratio of VLNPs permits multiple copies of a targeting ligand and drugs to be attached per nanoparticle. By exploring the chemistry of truncated hepatitis B core antigen (tHBcAg) VLNPs, doxorubicin (DOX) was coupled covalently to the external surface of these nanoparticles via carboxylate groups. About 1600 DOX molecules were conjugated on each tHBcAg VLNP...
April 13, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29644791/epigenome-wide-association-study-of-dietary-fiber-intake-in-african-american-adolescents
#17
Li Chen, Yanbin Dong, Xiaoling Wang, Guang Hao, Ying Huang, Bernard Gutin, Haidong Zhu
SCOPE: Low fiber intake is associated with increased risk for cardiovascular disease (CVD) and cancer. However, the underlying mechanisms are not well understood. We tested two hypotheses: 1) dietary fiber would be associated with DNA methylation levels; 2) those DNA methylation changes would be associated with visceral adiposity and inflammation. We also explored the possibility that the associations between fiber and DNA methylation levels might be confounded with folic acid intake as sensitivity analysis...
April 12, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29626720/potential-fluorescence-and-magnetic-resonance-imaging-modality-using-mixed-lanthanide-oxide-nanoparticles
#18
Shewaye Lakew Mekuria, Kefyalew Dagnew Addisu, Hsiao-Ying Chou, Balkew Zewge Hailemeskel, Hsieh-Chih Tsai
Imaging is a very important technique in the diagnosis and treatment of cancer diseases. This study developed a dual modality (fluorescence/MR) imaging technique for cancer cell lines (HeLa) and T2 -weighted phantom imaging by using a mixed lanthanide (Dy/Er/Tb) oxide nanoparticles. To further enhance the solubility, stability and biocompatibility of mixed lanthanide oxide, the nanoparticles were coated with folic acid as well as G4.5 PAMAM dendrimer. The coated nanoparticles were then compared, the later with results demonstrating pronounced effects in both T2 weighted phantom MR and fluorescence imaging of the cancer cell lines...
March 26, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29625422/paclitaxel-and-di-fluorinated-curcumin-loaded-in-albumin-nanoparticles-for-targeted-synergistic-combination-therapy-of-ovarian-and-cervical-cancers
#19
Kaustubh A Gawde, Samaresh Sau, Katyayani Tatiparti, Sushil K Kashaw, Mohammad Mehrmohammadi, Asfar S Azmi, Arun K Iyer
Paclitaxel (PTX) encapsulated in albumin (Abraxane® ) is an FDA approved frontline nano-formulation for treating advance metastatic pancreatic, lung and breast cancers. Currently in clinic, Abraxane® is being used as a one of the components of combination therapy regimens. On the other hand, difluorinated curcumin (CDF) is a novel and potent synthetic curcumin analogue that is being evaluated for several malignancies including pancreatic, liver, ovarian and breast cancers. To improve the bioavailability and targeting ability of hydrophobic PTX and CDF, we have encapsulated them in folic acid decorated bovine serum albumin nanoparticles, namely FA-BSA-PTX and FA-BSA-CDF, respectively...
March 28, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29620849/folic-acid-targeting-for-efficient-isolation-and-detection-of-ovarian-cancer-ctcs-from-human-whole-blood-based-on-two-step-binding-strategy
#20
Liju Nie, Fulai Li, Xiaolin Huang, Zoraida Aguilar, Yongqiang Andrew Wang, Yonghua Xiong, Fen Fu, Hengyi Xu
Studies regarding circulating tumor cells (CTCs) have great significance for cancer prognosis, treatment monitoring, and metastasis diagnosis. However, due to their extremely low concentration in peripheral blood, isolation and enrichment of CTCs are the key steps for early detection. To this end, targeting the folic acid receptors (FR) on the CTCs surface for capture with folic acid (FA) using bovine serum albumin (BSA)-tether for multibiotin enhancement in combination with streptavidin coated magnetic nanoparticles (MNPs-SA) was developed for ovarian cancer CTCs isolation...
April 5, 2018: ACS Applied Materials & Interfaces
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