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5 fluorouracil

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https://www.readbyqxmd.com/read/28822272/b24n24-fullerene-as-a-carrier-for-5-fluorouracil-anti-cancer-drug-delivery-dft-studies
#1
Mehrnoosh Khodam Hazrati, Zahra Javanshir, Zargham Bagheri
It has been previously indicated that BN nanostructures may be nontoxic and biocompatible. Here the potential application of a B24N24 is explored as a drug delivery system for anti-cancer 5-fluorouracil based on the density functional theory. This drug prefers to attach via its oxygen atoms to the B atoms of the cluster with adsorption energy about -11.90kcalmol(-1) based on the dispersion corrected B3LYP level of theory. To make the cluster more appropriate for drug delivery, we replaced a B atom by Si or Al atom to improve the interaction strength...
August 9, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28821560/optoacoustic-detection-of-early-therapy-induced-tumor-cell-death-using-a-targeted-imaging-agent
#2
Bangwen Xie, Michal R Tomaszewski, Andre Neves, Susana Ros, De-En Hu, Sarah McGuire, Stefanie Roshy Mullins, David A Tice, Richard C A Sainson, Sarah E Bohndiek, Robert W Wilkinson, Kevin M Brindle
The development of new treatments and their deployment in the clinic may be assisted by imaging methods that allow an early assessment of treatment response in individual patients. The C2A domain of Synaptotagmin-I (C2Am), which binds to the phosphatidylserine (PS) exposed by apoptotic and necrotic cells, has been developed as an imaging probe for detecting cell death. Multispectral optoacoustic tomography (MSOT) is a real-time and clinically applicable imaging modality that was used here with a near infrared (NIR) fluorophore-labeled C2Am to image tumor cell death in mice treated with a TNF-related apoptosis-inducing ligand receptor 2 (TRAILR2) agonist and with 5-fluorouracil (5-FU)...
August 18, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28819759/melatonin-increases-the-effect-of-5-fluorouracil-based-chemotherapy-in-human-colorectal-adenocarcinoma-cells-in-vitro
#3
Roberto Pariente, Ignacio Bejarano, Ana Beatriz Rodríguez, José Antonio Pariente, Javier Espino
Melatonin has antitumor activity via several mechanisms including its anti-proliferative and pro-apoptotic effects. Moreover, it has been proven that melatonin in combination with chemotherapeutic agents enhances chemotherapy-triggered apoptosis in several types of cancer. Therefore, this study was intended to evaluate whether melatonin is able to strengthen the anti-cancer potential of different chemotherapeutic drugs in human colorectal adenocarcinoma HT-29 cells. We found that treatment with 20 µM cisplatin (CIS) or 1 mM 5-fluorouracil (5-FU) for 72 h induced a decrease in HT-29 cell viability...
August 17, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28818782/mesoporous-silica-nanoparticles-msns-based-organic-inorganic-hybrid-nanocarriers-loading-5-fluorouracil-for-the-treatment-of-colon-cancer-with-improved-anticancer-efficacy
#4
Gang Pan, Ting-Ting Jia, Qian-Xia Huang, Yan-Yan Qiu, Jie Xu, Pei-Hao Yin, Tao Liu
Novel methods to improve the anticancer performance of 5-fluorouracil (5-FU) is quite necessary for clinical medicines. In the present work, we fabricated a novel type of mesoporous silica nanoparticles (MSNs)-based inorganic/organic hybrid nanoparticles covalently attached with poly(oligo(ethylene glycol) monomethyl ether methacrylate) (POEGMA) for improved stabilization and targeting peptide (RGD) for targeted delivery with the aim of improving the anticancer performance of 5-FU. Atom transfer radical polymerization (ATRP) initiator functionalized MSN (MSN-Br) was synthesized at first, which was followed by surface-initiated ATRP of water soluble OEGMA and carboxyl-containing monomer (2-succinyloxyethyl methacrylate, SEMA)...
August 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28817838/pharmacogenetic-determinants-of-outcomes-on-triplet-hepatic-artery-infusion-and-intravenous-cetuximab-for-liver-metastases-from-colorectal-cancer-european-trial-optiliv-nct00852228
#5
Francis Lévi, Abdoulaye Karaboué, Raphaël Saffroy, Christophe Desterke, Valerie Boige, Denis Smith, Mohamed Hebbar, Pasquale Innominato, Julien Taieb, Carlos Carvalho, Rosine Guimbaud, Christian Focan, Mohamed Bouchahda, René Adam, Michel Ducreux, Gérard Milano, Antoinette Lemoine
BACKGROUND: The hepatic artery infusion (HAI) of irinotecan, oxaliplatin and 5-fluorouracil with intravenous cetuximab achieved outstanding efficacy in previously treated patients with initially unresectable liver metastases from colorectal cancer. This planned study aimed at the identification of pharmacogenetic predictors of outcomes. METHODS: Circulating mononuclear cells were analysed for 207 single-nucleotide polymorphisms (SNPs) from 34 pharmacology genes...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28816932/postmenopausal-choriocarcinoma-a-rare-case-report-and-review-of-the-literature
#6
Na Guo, Rutie Yin, Qingli Li, Liang Song, Danqing Wang
OBJECTIVE: Choriocarcinoma is rare in postmenopausal women, and an early diagnosis contributes to a potential cure. METHODS: We report a rare case of a postmenopausal woman with choriocarcinoma. The 61-year-old patient presented with irregular vaginal bleeding, 11 years after menopause and 30 years after the birth of the last child. RESULTS: Radiological investigation found a 3-cm mass on the lower left part of the vaginal wall, and also bilateral lung nodules...
August 14, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28816803/induction-methotrexate-cisplatin-and-5-fluorouracil-versus-cisplatin-and-5-fluorouracil-followed-by-radiotherapy-in-pediatric-nasopharyngeal-carcinoma-a-retrospective-analysis-in-a-tertiary-cancer-center
#7
Abdelatif Al Mousa, Ramiz Abu-Hijlih, Ahmed Salem, Iyad Sultan, Layth Mula-Hussain, Taleb Ismael, Issa Mohamad
PURPOSE: The purpose of this study is to compare treatment outcomes of methotrexate, cisplatin, and 5-fluorouracil (MPF) or cisplatin and 5-fluorouracil (PF) in pediatric NPC patients treated with sequential chemoradiotherapy. PATIENTS AND METHODS: A total of 25 patients aged 18 years or below with stage II-IV NPC treated with IC using PF (n=16) or MPF (n=9) followed by radiotherapy between 2003 and 2009 were retrospectively reviewed. Radiotherapy dose was 61.2 to 66...
August 14, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28816773/synergistic-antitumor-effect-of-3-bromopyruvate-and-5-fluorouracil-against-human-colorectal-cancer-through-cell-cycle-arrest-and-induction-of-apoptosis
#8
Dianlong Chong, Linyan Ma, Fang Liu, Zhirui Zhang, Surong Zhao, Qiang Huo, Pei Zhang, Hailun Zheng, Hao Liu
3-Bromopyruvic acid (3-BP) is a well-known inhibitor of energy metabolism. It has been proposed as an anticancer agent as well as a chemosensitizer for use in combination with anticancer drugs. 5-Fluorouracil (5-FU) is the first-line chemotherapeutic agent for colorectal cancer; however, most patients develop resistance to 5-FU through various mechanisms. The aim of this study was to investigate whether 3-BP has a synergistic antitumor effect with 5-FU on human colorectal cancer cells. In our study, combined 3-BP and 5-FU treatment upregulated p53 and p21, whereas cyclin-dependent kinase CDK4 and CDK2 were downregulated, which led to G0/G1 phase arrest...
September 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28816138/lymphocyte-nadir-and-esophageal-cancer-survival-outcomes-after-chemoradiation-therapy
#9
Rajayogesh Davuluri, Wen Jiang, Penny Fang, Cai Xu, Ritsuko Komaki, Daniel R Gomez, James Welsh, James D Cox, Christopher H Crane, Charles C Hsu, Steven H Lin
PURPOSE: Host immunity may affect the outcome in patients with esophageal cancer. We sought to identify factors that influenced absolute lymphocyte count (ALC) nadir during chemoradiation therapy (CRT) for esophageal cancer (EC) and looked for clinically relevant associations with survival. METHODS AND MATERIALS: 504 patients with stage I-III EC (2007-2013) treated with neoadjuvant or definitive CRT with weekly ALC determinations made during treatment were analyzed...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28815411/synthesis-characterization-and-molecular-docking-studies-of-thiouracil-derivatives-as-potent-thymidylate-synthase-inhibitors-and-potential-anticancer-agents
#10
Abeer M El-Naggar, Mohsen M Abou-El-Regal, Souad A El-Metwally, Farag F Sherbiny, Ibrahim H Eissa
Thymidylate synthase (TS), one of folate-dependent enzymes, is a key and well-recognized target for anticancer agents. In this study, a series of 6-aryl-5-cyano thiouracil derivatives were designed and synthesized in accordance with essential pharmacophoric features of known TS inhibitors. Nineteen compounds were screened in vitro for their anti-proliferative activities toward HePG-2, MCF-7, HCT-116, and PC-3 cell lines. Compounds [Formula: see text], [Formula: see text], and 24 exhibited high anti-proliferative activity, comparable to that of 5-fluorouracil...
August 16, 2017: Molecular Diversity
https://www.readbyqxmd.com/read/28815259/-safety-and-efficacy-of-ultrasound-hyperthermia-combined-with-chemotherapy-and-radical-operation-for-advanced-oral-squamous-cell-carcinoma
#11
Cui-Ling Shao, Qian-Wei Zhuang, Jian Meng, Wei Guo, Guo-Xin Ren
PURPOSE: To explore the safety and efficacy of ultrasound hyperthermia combined with chemotherapy and radical operation for advanced oral squamous cell carcinoma (OSCC). METHODS: Nine patients who had definite pathological diagnosis were enrolled in this clinical trail from 2015 to 2016. All patients underwent ultrasound hyperthermia combined with chemotherapy before radical operation. The treatment regime was as follows: Docetaxel and cisplatin (75mg/m(2)) used on the first day, fluorouracil (750 mg/m(2)) infused from 1st to 5th day...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28815216/epistatic-interactions-within-the-influenza-a-virus-polymerase-complex-mediate-mutagen-resistance-and-replication-fidelity
#12
Matthew D Pauly, Daniel M Lyons, William J Fitzsimmons, Adam S Lauring
Lethal mutagenesis is a broad-spectrum antiviral strategy that employs mutagenic nucleoside analogs to exploit the high mutation rate and low mutational tolerance of many RNA viruses. Studies of mutagen-resistant viruses have identified determinants of replicative fidelity and the importance of mutation rate to viral population dynamics. We have previously demonstrated the effective lethal mutagenesis of influenza A virus using three nucleoside analogs as well as the virus's high genetic barrier to mutagen resistance...
July 2017: MSphere
https://www.readbyqxmd.com/read/28813148/chitosan-coated-cinnamon-oregano-loaded-solid-lipid-nanoparticles-to-augment-5-fluorouracil-cytotoxicity-for-colorectal-cancer-extracts-standardization-nanoparticles-optimization-and-cytotoxicity-evaluation
#13
Kamel M Kamel, Islam A Khalil, Mostafa E Rateb, Hosieny Elgendy, Seham Elhawary
This study aimed to coat lipid-based-nanocarriers with chitosan to encapsulate nutraceuticals, minimize opsonization and facilitate passive-targeting. Phase-one was concerned with standardization according to WHO. Qualitative-analysis using LC-HRMS/MS investigated the active-constituents especially reported cytotoxic-agents. Cinnamaldehyde and rosmarinic acid was selected to be quantified using HPLC. Phase-two was aimed to encapsulate both extracts in solid lipid nanoparticles (core) and chitosan (shell) to gain the advantages of both materials properties...
August 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28811898/lentinula-edodes-mycelia-extract-plus-adjuvant-chemotherapy-for-breast-cancer-patients-results-of-a-randomized-study-on-host-quality-of-life-and-immune-function-improvement
#14
Yukiko Nagashima, Shigehumi Yoshino, Shigeru Yamamoto, Noriko Maeda, Tatsuya Azumi, Yoshifumi Komoike, Kiyotaka Okuno, Tsutomu Iwasa, Junji Tsurutani, Kazuhiko Nakagawa, Oka Masaaki, Nagano Hiroaki
Anthracycline-based chemotherapies for breast cancer are known to adversely affect patients' quality of life (QOL) and immune function. For that reason, adjuvants that improve those impairments are required. A randomized double-blind study was conducted to evaluate the effectiveness of Lentinula edodes mycelia extract (LEM), which is an oral biological response modifier (BRM) medicine for cancer patients as such an adjuvant. A total of 47 breast cancer patients who were scheduled to receive postoperative adjuvant anthracycline-based chemotherapy, i...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28810886/factors-affecting-survival-after-concurrent-chemoradiation-therapy-for-advanced-hepatocellular-carcinoma-a-retrospective-study
#15
Ja Kyung Kim, Jun Won Kim, Ik Jae Lee, Seung-Moon Joo, Kwang-Hun Lee, Eun-Suk Cho, Jeong-Sik Yu, Tae Joo Jeon, Yonsoo Kim, Jung Il Lee, Kwan Sik Lee
BACKGROUND: Concurrent chemoradiation therapy (CCRT) followed by hepatic arterial infusional chemotherapy (HAIC) was reported to be effective for advanced hepatocellular carcinoma (HCC) with portal vein thrombosis. However, transarterial chemoembolization (TACE) is not preferred in this setting. The aim of this study was to assess the factors affecting survival after CCRT, including additional TACE during repeated HAIC. METHODS: Thirty-eight patients who underwent CCRT as the initial treatment for Barcelona Clinic Liver Cancer stage C HCC with vascular invasion between 2009 and 2016 were reviewed retrospectively...
August 15, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28810654/roles-of-p38-and-jnk-protein-kinase-pathways-activated-by-compound-cantharidin-capsules-containing-serum-on-proliferation-inhibition-and-apoptosis-of-human-gastric-cancer-cell-line
#16
Yonghao Sun, Dejuan Zhang, Mao Mao, Yangping Lu, Ning Jiao
The aim of the present study was to investigate the inhibitory effect of compound cantharides capsules (CCCs) on the viability and apoptosis of human gastric cancer cell lines, BGC-823 and SGC-7901, and to detect its regulation of gene expression levels, as well as its inhibition mechanisms. Each cell line was grouped into a control group, CCC serum group, 5-fluorouracil (5-FU) group, combination therapy group (CCC serum + 5-FU) and serum control group. Growth curves were measured and flow cytometry was used to detect cell apoptosis and cell viability...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807738/observed-benefit-and-safety-of-aflibercept-in-elderly-patients-with-metastatic-colorectal-cancer-an-age-based-analysis-from-the-randomized-placebo-controlled-phase-iii-velour-trial
#17
Paul Ruff, Eric Van Cutsem, Radek Lakomy, Jana Prausova, Guy A van Hazel, Vladimir M Moiseyenko, Karen Soussan-Lazard, Emmanuelle Dochy, Emmanuelle Magherini, Teresa Macarulla, Demetris Papamichael
OBJECTIVES: Aflibercept (ziv-aflibercept) significantly improves progression-free (PFS) and overall survival (OS) when added to 5-fluorouracil, leucovorin and irinotecan (FOLFIRI), compared with FOLFIRI alone, in patients with metastatic colorectal cancer previously treated with oxaliplatin-based therapy. This subset analysis of the VELOUR study investigates aflibercept plus FOLFIRI versus placebo plus FOLFIRI according to age. METHODS: Efficacy and safety were analyzed by treatment arm and age (≥ or <65years)...
August 12, 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28807497/characterisation-of-the-porcine-cytokines-which-activate-the-cd131%C3%AE-c-common-sub-unit-for-potential-immune-augmentation
#18
G Stephenson, K R Morris, T E O'Neil, M P Bruce, A D G Strom, A G D Bean
Early acting cytokines and growth factors such as those of the CD131 βc subunit, may offer an alternative method to the current use of antibiotics and chemicals such as anthelmintics in maintaining Porcine (Po) health. Thus far, the recombinant Po (rPo) Granulocyte-macrophage colony-stimulating factor (GM-CSF), rPo interleukin-3 (IL-3) and rPo interleukin-5 (IL-5) proteins have been identified and cloned and the biological activity of each cytokine has been confirmed in vitro, however, in vivo immune system regulation and hematopoietic stem cell (HSC) augmentation are regulated by numerous cytokines and cellular signals within the bone marrow (BM) niche...
August 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28806666/doxorubicin-loaded-environmentally-friendly-carbon-dots-as-a-novel-drug-delivery-system-for-nucleus-targeted-cancer-therapy
#19
Yifang Yuan, Bin Guo, Liying Hao, Na Liu, Yunfeng Lin, Wushuang Guo, Xiaoguang Li, Bin Gu
Chemotherapy is widely applied against various kinds of carcinoma. Generally, chemotherapeutic agents, such as Doxorubicin (DOX), Paclitaxel (PTX), 5-Fluorouracil (5-FU), Methotrexate (MTX), and Vinblastine (VLB) are combined with a view to maximizing their efficacy. Unfortunately, chemotherapeutics are indiscriminate and also kill normal healthy cells, resulting in serious side effects. This non-productive and destructive distribution of chemotherapeutics is regarded as one of the largest problems associated with chemotherapy...
July 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28804517/update-on-the-role-of-nanoliposomal-irinotecan-in-the-treatment-of-metastatic-pancreatic-cancer
#20
REVIEW
Fnu Asad Ur Rahman, Saeed Ali, Muhammad Wasif Saif
Median survival for patients with metastatic pancreatic cancer (MPC) treated with combination chemotherapeutic agents such as gemcitabine-based regimens and FOLFIRINOX is currently less than 12 months. This highlights the need for more efficacious first-line, as well as second-line therapies. Nanoliposomal irinotecan, in combination with 5-fluorouracil (5-FU)/folinic acid has recently been assessed as second-line therapy after initial gemcitabine-based therapy. It is the first, second-line treatment approved by the US Food and Drug Administration to treat patients with MPC based on results of the NAnoliPOsomaL Irinotecan (NAPOLI-1) study, which showed that this regimen significantly prolonged progression-free survival (3...
July 2017: Therapeutic Advances in Gastroenterology
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