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Docetaxel and nanoparticles

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https://www.readbyqxmd.com/read/28919747/ge11-peptide-conjugated-nanoliposomes-to-enhance-the-combinational-therapeutic-efficacy-of-docetaxel-and-sirna-in-laryngeal-cancers
#1
Wei-Wei Xu, Da-Yu Liu, Ying-Chun Cao, Xiang-Yun Wang
In this study, dual therapeutic-loaded GE11 peptide-conjugated liposomes were developed and applied to enhance therapeutic efficacies of standard-of-care regimens for the treatment of laryngeal cancer. The therapeutic strategy used here was a combination treatment with the chemotherapeutic docetaxel (DTX) and siRNA against the ABCG2 gene that regulates multidrug resistance in many tumor types. Liposome-encapsulated DTX/ABCG2-siRNA molecules were targeted to recognize tumor cells of squamous morphology by conjugation to the EGFR-targeting ligand, GE11...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28916966/evaluation-of-in-vitro-efficacy-of-docetaxel-loaded-calcium-carbonate-aragonite-nanoparticles-dtx-caco3np-on-4t1-mouse-breast-cancer-cell-line
#2
Nahidah Ibrahim Hammadi, Yusuf Abba, Mohd Noor Mohd Hezmee, Intan Shameha Abdul Razak, Aminu Umar Kura, Zuki Abu Bakar Zakaria
Cockle shell-derived calcium carbonate nanoparticles have shown promising potentials as slow drug-releasing compounds in cancer chemotherapy. In this study, we evaluated the in vitro efficacy of docetaxel (DTX)-loaded CaCO3NP on 4T1 cell line. This was achieved by evaluating the following: cytotoxicity using MTT assay, fluorescence imaging, apoptosis with Annexin V assay, cell cycle analysis, scanning (SEM) and transmission electron microscopy (TEM), and scratch assay. Based on the results, DTX-CaCO3NP with a DTX concentration of 0...
September 15, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28903067/carboxymethyl-chitosan-phospholipid-bilayer-capped-mesoporous-carbon-nanoparticles-with-ph-responsive-and-prolonged-release-properties-for-oral-delivery-of-the-antitumor-drug-docetaxel
#3
Yanzhuo Zhang, Wufu Zhu, Heran Zhang, Jin Han, Lihua Zhang, Qisi Lin, Fengwei Ai
In this article, a new type of carboxymethyl chitosan/phospholipid bilayer-capped mesoporous carbon nanomatrix (CCS/PL/MC) was fabricated as a potential nano-drug delivery system. In this drug delivery system, a mesoporous carbon nanomatrix (MC) acts as the support for loading drug molecules, a positively charged phospholipid (PL) layer works as the inner shell for prolonged drug release and a negatively charged carboxymethyl chitosan (CCS) layer serves as the outer shell for pH-responsive drug release. Docetaxel (DTX) was selected as a model drug...
September 10, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28901139/an-injectable-and-self-healing-thermo-sensitive-magnetic-hydrogel-for-asynchronous-control-release-of-doxorubicin-and-docetaxel-to-treat-triple-negative-breast-cancer
#4
Wensheng Xie, Qin Gao, Zhenhu Guo, Dan Wang, Fei Gao, Xiu-Mei Wang, Yen Wei, Lingyun Zhao
Integration of two or more drugs in a multi-agent delivery system has been considered to have profound impacts on both in vitro and in vivo cancer treatment due to their efficient synergistic effect. This study presents a cheap and simple chitosan hydrogel crosslinked with telechelic difunctional poly (ethylene glycol) (DF-PEG-DF) for synthesis of an injectable and self-healing thermo-sensitive dual-drug-loaded magnetic hydrogel (DDMH), which contains both doxorubicin (DOX) and docetaxel (DTX) for chemotherapy, and iron oxide for magnetic hyperthermia induced stimuli responsive drug release...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28900598/cationic-pegylated-polycaprolactone-nanoparticles-carrying-post-operation-docetaxel-for-glioma-treatment
#5
Cem Varan, Erem Bilensoy
Background: Brain tumors are the most common tumors among adolescents. Although some chemotherapeutics are known to be effective against brain tumors based on cell culture studies, the same effect is not observed in clinical trials. For this reason, the development of drug delivery systems is important to treat brain tumors and prevent tumor recurrence. The aim of this study was to develop core-shell polymeric nanoparticles with positive charge by employing a chitosan coating. Additionally, an implantable formulation for the chemotherapeutic nanoparticles was developed as a bioadhesive film to be applied at the tumor site following surgical operation for brain glioma treatment...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28891336/polyunsaturated-fatty-acid-based-targeted-nanotherapeutics-to-enhance-the-therapeutic-efficacy-of-docetaxel
#6
Thiruganesh Ramasamy, Pasupathi Sundaramoorthy, Hima Bindu Ruttala, Yongjoo Choi, Woo Hyun Shin, Jee-Heon Jeong, Sae Kwang Ku, Han-Gon Choi, Hwan Mook Kim, Chul Soon Yong, Jong Oh Kim
Since breast cancer is one of the most lethal malignancies, targeted strategies are urgently needed. In this study, we report the enhanced therapeutic efficacy of docetaxel (DTX) when combined with polyunsaturated fatty acids (PUFA) for effective treatment of multi-resistant breast cancers. Folic acid (FA)-conjugated PUFA-based lipid nanoparticles (FA-PLN/DTX) was developed. The physicochemical properties, in vitro uptake, in vitro cytotoxicity, and in vivo anticancer activity of FA-PLN/DTX were evaluated. FA-PLN/DTX could efficiently target and treat human breast tumor xenografts in vivo...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28874173/ternary-cocktail-nanoparticles-for-sequential-chemo-photodynamic-therapy
#7
Li Fan, Saisai Zhao, Qian Yang, Jiali Tan, Chaojun Song, Hong Wu
BACKGROUND: Previous clinical trials have already demonstrated that combinations of two or more drugs were more effective in the cancer treatment, especially sequential photodynamic design combing with sequential chemotherapy. In our study, we propose a ternary cocktail NP delivery system based on self-decomposable NPs, which could realize synergistic chemo-photodynamic therapy through double loading chemo-drugs and multi-level programmable PDT treatment. METHODS: PS drug methylene blue (MB) was encapsulated into the center of the NPsmall, NPbig&thin, and NPbig&thick carriers through "grown-in" loading mechanism, which was released based on the drug concentration difference of the drug release environment...
September 6, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28869892/combination-lung-cancer-chemotherapy-design-of-a-ph-sensitive-transferrin-peg-hz-lipid-conjugate-for-the-co-delivery-of-docetaxel-and-baicalin
#8
Shuang Li, Lin Wang, Na Li, Yucai Liu, Hui Su
The aim of the present study is to design a novel dual-ligand lipid based nanoparticle system. It is conducted by a specific ligand and pH sensitive lipid conjugate. Docetaxel (DTX) and baicalein (BA) are co-delivered by this system for combination lung cancer chemotherapy. Firstly, transferrin (Tf)-polyethylene glycol (PEG)-hydrazone (hz)-glyceryl monostearate (GMS), Tf-PEG-hz-GMS, was synthesized. Tf decorated DTX and BA loaded solid lipid nanoparticles (Tf-D/B-SLNs) were prepared by emulsification method...
August 31, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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/28826287/docetaxel-loaded-nanostructured-lipid-carriers-functionalized-with-trastuzumab-herceptin-for-her2-positive-breast-cancer-cells
#10
Jaleh Varshosaz, Mohammad Ali Davoudi, Sara Rasoul-Amini
The aim of the present study was to prepare Herceptin targeted nanostructured lipid carriers (NLCs) of docetaxel (DTX). Herceptin was conjugated by chemical and physical methods to NLCs prepared by solvent extraction technique followed by probe sonication. Different types of fatty amines were used in construction of NLCs. The NLCs were characterized for their antibody coupling efficiency, particle size, zeta potential, polydispersity index, drug entrapment efficiency and drug release profiles. The toxicity of NLCs on MDA-MB-468 (HER2 negative receptor) and BT-474 (HER2 positive) breast cancer cell lines was evaluated by MTT assay...
August 21, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28819967/enzymatic-peg-poly-amine-co-disulfide-ester-nanoparticles-as-ph-and-redox-responsive-drug-nanocarriers-for-efficient-antitumor-treatment
#11
Ya Chen, Meifei Su, Yingqin Li, Jinbiao Gao, Chao Zhang, Zhong Cao, Jiangbing Zhou, Jie Liu, Zhaozhong Jiang
We have designed and constructed novel multifunctional nanoparticle drug-delivery systems that are stable under physiological conditions and responsive to tumor-relevant pH and intracellular reduction potential. The nanoparticles were fabricated from enzymatically synthesized poly(ethylene glycol) (PEG)-poly(ω-pentadecalactone-co-N-methyldiethyleneamine-co-3,3'-dithiodipropionate) (PEG-PPMD) and PEG-poly(ε-caprolactone-co-N-methyldiethyleneamine-co-3,3'-dithiodipropionate) (PEG-PCMD) block copolymers via self-assembly processes in aqueous solution...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28814868/nano-sized-cytochrome-p450-3a4-inhibitors-to-block-hepatic-metabolism-of-docetaxel
#12
Marion Paolini, Laurence Poul, Céline Berjaud, Matthieu Germain, Audrey Darmon, Maxime Bergère, Agnès Pottier, Laurent Levy, Eric Vibert
Most drugs are metabolized by hepatic cytochrome P450 3A4 (CYP3A4), resulting in their reduced bioavailability. In this study, we present the design and evaluation of bio-compatible nanocarriers trapping a natural CYP3A4-inhibiting compound. Our aim in using nanocarriers was to target the natural CYP3A4-inhibiting agent to hepatic CYP3A4 and leave drug-metabolizing enzymes in other organs undisturbed. In the design of such nanocarriers, we took advantage of the nonspecific accumulation of small nanoparticles in the liver...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28799743/reducing-interstitial-fluid-pressure-and-inhibiting-pulmonary-metastasis-of-breast-cancer-by-gelatin-modified-cationic-lipid-nanoparticles
#13
Xuan Gao, Jun Zhang, Zun Huang, Tiantian Zuo, Qing Lu, Guangyu Wu, Qi Shen
Interstitial fluid pressure (IFP) in tumor is much higher than that in normal tissue, and it constitutes a great obstacle for the delivery of antitumor drugs, thus becoming a potential target for cancer therapy. In this study, cationic nanostructured lipid carriers (NLCs) were modified by low molecular weight gelatin to achieve the desirable reduction of tumor IFP and improve the drug delivery. In this way, the chemotherapy of formulations on tumor proliferation and pulmonary metastasis was further improved...
August 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28789585/co-delivery-of-docetaxel-and-bortezomib-based-on-a-targeting-nanoplatform-for-enhancing-cancer-chemotherapy-effects
#14
Junpeng Nie, Wei Cheng, Yunmei Peng, Gan Liu, Yuhan Chen, Xusheng Wang, Chaoyu Liang, Wei Tao, Yinping Wei, Xiaowei Zeng, Lin Mei
Using facile polydopamine (PDA)-based surface modification and a pH-sensitive catechol-boronate binding mechanism, a novel drug delivery system was designed for the treatment of breast cancer. The system was able to achieve the following goals: active targeting, pH responsiveness, in vivo blood circulation for a prolonged period of time, and dual drug loading. After coating with PDA, the docetaxel (DTX)-loaded star-shaped copolymer cholic acid-poly(lactide-co-glycolide) nanoparticles (CA-PLGA@PDA/NPs) were functionalized with amino-poly(ethylene glycol)-folic acid (NH2-PEG-FA) and bortezomib (BTZ) to form the targeting composition, DTX-loaded CA-PLGA@PDA-PEG-FA + BTZ/NPs...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28734999/the-reversion-of-anti-cancer-drug-antagonism-of-tamoxifen-and-docetaxel-by-the-hyaluronic-acid-decorated-polymeric-nanoparticles
#15
Zhihong Zhu, Yuenan Li, Xinggang Yang, Hao Pan, Weisan Pan
Docetaxel (DTX) and tamoxifen (TMX) are first-line drugs used to treat breast cancer. However when used in combination, they produce antagonism because of their differential metabolic pathways. In order to prevent this antagonism, an amphiphilic copolymer, cholesterol modified hyaruronic acid (HA-CHOL), was synthesized for investigating the co-delivery of TMX and DTX. In vitro drug release experiment of the Co-encapsulated (encapsulated DTX+TMX) nanoparticles (Co-NPs) revealed that NPs with unique release mechanism can markedly reduce the release of these drugs in the circulatory system...
July 19, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28730292/efficacy-and-safety-of-taxane-monotherapy-in-advanced-gastric-cancer-refractory-to-triplet-chemotherapy-with-docetaxel-cisplatin-and-s-1-a-multicenter-retrospective-study
#16
Sakura Iizumi, Atsuo Takashima, Yukiya Narita, Masahiro Tajika, Kei Muro, Sadayuki Kawai, Hirofumi Yasui, Tomohiro Matsushima, Daisuke Takahari, Kengo Nagashima, Narikazu Boku
PURPOSE: Taxane monotherapy is widely used for advanced gastric cancer (AGC) after failure of standard first-line chemotherapy with fluoropyrimidine and cisplatin. Triplet chemotherapy with docetaxel, cisplatin, and S-1 (DCS) is a promising regimen for first-line chemotherapy of AGC. The aim of this study was to evaluate the efficacy of taxane monotherapy in patients refractory to DCS. METHODS: We retrospectively evaluated the efficacy and safety of taxane monotherapy in patients with AGC refractory to first-line therapy with DCS between January 2010 and April 2015...
July 20, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28724986/core-shell-lipid-polymer-hybrid-nanoparticles-with-combined-docetaxel-and-molecular-targeted-therapy-for-the-treatment-of-metastatic-prostate-cancer
#17
Qi Wang, Heba Alshaker, Torsten Böhler, Shyam Srivats, Yimin Chao, Colin Cooper, Dmitri Pchejetski
Many prostate cancers relapse after initial chemotherapy treatment. Combining molecular and chemotherapy together with encapsulation of drugs in nanocarriers provides effective drug delivery and toxicity reduction. We developed core shell lipid-polymer hybrid nanoparticles (CSLPHNPs) with poly (lactic-co-glycolic acid) (PLGA) core and lipid layer containing docetaxel and clinically used inhibitor of sphingosine kinase 1 (SK1) FTY720 (fingolimod). We show for the first time that FTY720 (both free and in CSLPHNPs) re-sensitizes castrate resistant prostate cancer cells and tumors to docetaxel, allowing a four-fold reduction in effective dose...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28711640/recent-advances-in-tpgs-based-nanoparticles-of-docetaxel-for-improved-chemotherapy
#18
REVIEW
Hira Choudhury, Bapi Gorain, Manisha Pandey, Santosh Ashok Kumbhar, Rakesh Kumar Tekade, Arun K Iyer, Prashant Kesharwani
Docetaxel (DTX) is one of the important antitumor drugs, being used in several common chemotherapies to control leading cancer types. Severe toxicities of the DTX are prominent due to sudden parenteral exposure of desired loading dose to maintain the therapeutic concentration. Field of nanotechnology is leading to resist sudden systemic exposure of DTX with more specific delivery to the site of cancer. Further nanometric size range of the formulation aid for prolonged circulation, thereby extensive exposure results better efficacy...
July 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28701571/neoadjuvant-therapy-with-weekly-nanoparticle-albumin-bound-paclitaxel-for-luminal-early-breast-cancer-patients-results-from-the-nabrax-study-geicam-2011-02-a-multicenter-non-randomized-phase-ii-trial-with-a-companion-biomarker-analysis
#19
Miguel Martín, José I Chacón, Antonio Antón, Arrate Plazaola, Elena García-Martínez, Miguel A Seguí, Pedro Sánchez-Rovira, José Palacios, Lourdes Calvo, Carmen Esteban, Enrique Espinosa, Agusti Barnadas, Norberto Batista, Angel Guerrero, Montserrat Muñoz, Estefania Romio, César Rodríguez-Martín, Rosalía Caballero, María I Casas, Federico Rojo, Eva Carrasco, Silvia Antolín
BACKGROUND: Nanoparticle albumin-bound paclitaxel (nab-Paclitaxel) is an alternative to standard taxanes for breast cancer (BC) treatment. We evaluated nab-Paclitaxel efficacy as neoadjuvant treatment for early estrogen receptor-positive (ER+), human epidermal growth factor receptor 2-negative (HER2-) disease. MATERIALS AND METHODS: Women with ER+, HER2-, stage II-III BC were treated preoperatively with four cycles of weekly nab-Paclitaxel (150 mg/m(2)), 3 weeks on and 1 week off...
July 12, 2017: Oncologist
https://www.readbyqxmd.com/read/28695300/new-fty720-docetaxel-nanoparticle-therapy-overcomes-fty720-induced-lymphopenia-and-inhibits-metastatic-breast-tumour-growth
#20
Heba Alshaker, Qi Wang, Shyam Srivats, Yimin Chao, Colin Cooper, Dmitri Pchejetski
PURPOSE: Combining molecular therapies with chemotherapy may offer an improved clinical outcome for chemoresistant tumours. Sphingosine-1-phosphate (S1P) receptor antagonist and sphingosine kinase 1 (SK1) inhibitor FTY720 (FTY) has promising anticancer properties, however, it causes systemic lymphopenia which impairs its use in cancer patients. In this study, we developed a nanoparticle (NP) combining docetaxel (DTX) and FTY for enhanced anticancer effect, targeted tumour delivery and reduced systemic toxicity...
July 10, 2017: Breast Cancer Research and Treatment
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