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Treatment of cancer withs salts

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https://www.readbyqxmd.com/read/29738336/in-vitro-antitumor-activity-of-new-quaternary-phosphonium-salts-derivatives-of-3-hydroxypyridine
#1
Alfiya G Iksanova, Raylya R Gabbasova, Tatyana V Kupriyanova, Almaz A Akhunzyanov, Michail V Pugachev, Ruzalia M Vafiva, Nikita V Shtyrlin, Konstantin V Balakin, Yurii G Shtyrlin
This work presents the results of in-vitro biological activity studies of three novel anticancer agents, phosphonium salts based on the 3-hydroxypyridine scaffold, including one derivative of 4-deoxypyridoxine. Proliferation and viability of cells treated with these compounds was assessed by the colony formation and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assays. Effects of the compounds on apoptosis and cell cycle were studied by flow cytometry using annexin V-FITC/propidium iodide and propidium iodide staining, respectively...
May 5, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29734330/sustained-activation-of-detoxification-pathways-promotes-liver-carcinogenesis-in-response-to-chronic-bile-acid-mediated-damage
#2
Agnese Collino, Alberto Termanini, Paola Nicoli, Giuseppe Diaferia, Sara Polletti, Camilla Recordati, Vittoria Castiglioni, Donatella Caruso, Nico Mitro, Gioacchino Natoli, Serena Ghisletti
Chronic inflammation promotes oncogenic transformation and tumor progression. Many inflammatory agents also generate a toxic microenvironment, implying that adaptive mechanisms must be deployed for cells to survive and undergo transformation in such unfavorable contexts. A paradigmatic case is represented by cancers occurring in pediatric patients with genetic defects of hepatocyte phosphatidylcholine transporters and in the corresponding mouse model (Mdr2-/- mice), in which impaired bile salt emulsification leads to chronic hepatocyte damage and inflammation, eventually resulting in oncogenic transformation...
May 7, 2018: PLoS Genetics
https://www.readbyqxmd.com/read/29704644/effect-of-%C3%AE-elemene-on-the-kinetics-of-intracellular-transport-of-d-luciferin-potassium-salt-abc-substrate-in-doxorubicin-resistant-breast-cancer-cells-and-the-associated-molecular-mechanism
#3
Chao-Yuan Tang, Li-Xin Zhu, Jian-Dong Yu, Zhi Chen, Man-Cang Gu, Chao-Feng Mu, Qi Liu, Yang Xiong
In order to explore the mechanism of the reversing multidrug resistance (MDR) phenotypes by β-elemene (β-ELE) in doxorubicin (DOX)-resistant breast cancer cells (MCF-7/DOX), both the functionality and quantity of the ABC transporters in MCF-7/DOX were studied. Bioluminescence imaging (BLI) was used to study the efflux of d-luciferin potassium salt, the substrate of ATP-binding cassette transporters (ABC transporters), in MCF-7/DOX cells treated by β-ELE. At the same time three major ABC transport proteins and genes-related MDR, P-glycoprotein (P-gp, ABCB1) and multidrug resistance-associated protein 1 (MRP, ABCC1) as well as breast cancer resistance protein (BCRP, ABCG2) were analyzed by q-PCR and Western blot...
April 25, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29704231/management-of-extravasation-of-oxaliplatin-by-mimicking-its-biotransformation
#4
F Bahadori, M Demiray
Although oxaliplatin (Oxali) plays a key role in the treatment of many types of cancer and has been reported to be an irritant, there is no specific and effective method for its extravasation and failure in Oxali extravasation management results in the need for plastic surgery. In the body, Oxali bio-transforms upon dilution in chloride-containing buffer salts to its di-chloro derivative and loses an oxalate molecule. Consequently, the chloride ions exchange with water molecules in the intracellular environment to produce the di-aqua derivative, which is the most active biotransformation product of Oxali in terms of forming the DNA adducts...
April 27, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29701979/fluorouracil-loaded-gold-nanoparticles-for-the-treatment-of-skin-cancer-development-in-vitro-characterization-and-in-vivo-evaluation-in-a-mouse-skin-cancer-xenograft-model
#5
Mohamed A Safwat, Ghareb M Soliman, Douaa Sayed, Mohamed A Attia
Fluorouracil (5-FU) is an antimetabolite drug used in the treatment of various malignancies, such as colon and skin cancers. However, its systemic administration results in severe side effects. Topical 5-FU delivery for the treatment of skin cancer could circumvent these shortcomings but it is limited by the drug poor permeability through the skin. To enhance 5-FU efficacy against skin cancer and reduce its systemic side effects it is was loaded into a gold nanoparticles (GNPs)-based topical delivery system...
April 27, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29683122/symptoms-and-self-management-strategies-identified-by-children-with-cancer-using-draw-and-tell-interviews
#6
Lauri A Linder, Heather Bratton, Anna Nguyen, Kori Parker, Sarah E Wawrzynski
PURPOSE: This cross-sectional study described how school-aged children with cancer represent their symptoms and associated characteristics using draw-and-tell interviews. PARTICIPANTS & SETTING: 27 children aged 6-12 years receiving treatment for cancer at the Cancer Transplant Center at Primary Children's Hospital, a tertiary pediatric hospital in Salt Lake City, Utah. METHODOLOGIC APPROACH: Children participated in draw-and-tell interviews while completing drawings depicting days when they felt well and days when they felt sick...
May 1, 2018: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29658787/sodium-phenylbutyrate-inhibits-tumor-growth-and-the-epithelial-mesenchymal-transition-of-oral-squamous-cell-carcinoma-in-vitro-and-in-vivo
#7
Kun Qian, Laiyu Sun, Guoqing Zhou, Haixia Ge, Yue Meng, Jingfen Li, Xiao Li, Xinqiang Fang
Sodium phenylbutyrate (SPB) as a salt of 4-phenylbutyric acid (4-PBA) has been reported to be an ammonia scavenger, histone deacetylase inhibitor, and an endoplasmic reticulum stress inhibitor in various diseases, including neurological diseases, inflammatory disorders, and carcinogenesis. Although phenylbutyrate showed effective antitumor properties in many cancers, its role in oral squamous cell carcinoma (OSCC) remains further characterized. Thus, the OSCC cell lines CAL27, HSC3, and SCC4 were treated with a series of doses of SPB for different times...
April 16, 2018: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/29622390/-therapeutic-advances-in-the-management-of-biliary-tract-carcinoma
#8
Sophie-Clémentine Ribiere, Chloé Léandri, Marie-Anne Guillaumot, Catherine Brezault, Romain Coriat
Cancers of the bile ducts or cholangiocarcinomas are a rare entity whose incidence is increasing in France. Surgical resection of cholangiocarcinoma remains the only curative therapy. Adjuvant therapy with capecitabine at a fixed dose of 1250mg/m2 twice daily from day 1 to day 14 (21-day cycle) for a 6 months period is now the standard of care after curative surgery. At a metastatic stage, the reference treatment consists of the combination of a platinum salt in addition to gemcitabine. No biomarker has been identified to predict the response to chemotherapy...
April 2, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29620258/autophagy-inhibition-enhances-radiosensitivity-of-eca%C3%A2-109-cells-via-the-mitochondrial-apoptosis-pathway
#9
Hua Tao, Pudong Qian, Jincheng Lu, Yesong Guo, Huanfeng Zhu, Feijiang Wang
Autophagy inhibition is crucial for the improvement of the efficacy of radiotherapy in cancer. The aim of the present study was to determine the potential therapeutic value of autophagy and its correlation with mitochondria in human esophageal carcinoma cells following treatment with ionizing radiation (IR). Autophagy in Eca‑109 cells was induced under poor nutrient conditions. The formation of autophagic vacuoles was monitored using electron microscopy. In addition, cell apoptosis after IR and mitochondrial membrane potential (MMP) were analyzed by flow cytometry...
March 29, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29605989/ms-5-a-naphthalene-derivative-induces-the-apoptosis-of-an-ovarian-cancer-cell-caov-3-by-interfering-with-the-reactive-oxygen-species-generation
#10
Eunsook Ma, Seon-Ju Jeong, Joon-Seok Choi, Thi Ha Nguyen, Chul-Ho Jeong, Sang Hoon Joo
Reactive oxygen species (ROS) are widely generated in biological processes such as normal metabolism and response to xenobiotic exposure. While ROS can be beneficial or harmful to cells and tissues, generation of ROS by diverse anti-cancer drugs or phytochemicals plays an important role in the induction of apoptosis. We recently identified a derivative of naphthalene, MS-5, that induces apoptosis of an ovarian cell, CAOV-3. Interestingly, MS-5 induced apoptosis by down-regulating the ROS. Cell viability was evaluated by water-soluble tetrazolium salt (WST-1) assay...
April 2, 2018: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/29595672/a-case-report-of-a-man-on-peritoneal-dialysis-having-intractable-hyponatremia
#11
Xu-Jie Zhou, Ying Yang, Tao Su, Jie Dong
RATIONALE: Hyponatremia is one of the most common electrolyte disorders in patients on peritoneal dialysis (PD). It can be associated with severe consequences, higher morbidity and mortality. Therefore, hyponatremia should be assessed and monitored more carefully in these patients. PATIENT CONCERNS: A 55-year-old male PD patient progressively developed intractable hyponatremia was admitted to our hospital. DIAGNOSES: The observation that no significant salt was lost in kidney and PD drainage prompted us to seek the underlying reasons for malnutrition and chronic inflammation...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29581780/switch-of-the-ovarian-cancer-cell-to-a-calcifying-phenotype-in-the-calcification-of-ovarian-cancer
#12
Jirui Wen, Zhiwei Zhao, Liwei Huang, Liang Li, Jiman Li, Ye Zeng, Jiang Wu, Yali Miao
OBJECTIVE: The main aim of this study was to study swith of the ovarian cancer cell to a calcifying phenotype in the formation of calcification in ovarian cancer, and to offer some help for ovarian cancer's diagnosis and differentiation therapy. METHODS: The mineralization of ovarian cancer cell lines SKOV3 was induced via calcification medium for 21 d in vitro . Alizarin red staining, von kossa staining, calcein fluorescence staining and ALP activity detection were used to identify mineralization in calcification model of ovarian cancer...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29565269/food-additive-sodium-benzoate-nab-activates-nf%C3%AE%C2%BAb-and-induces-apoptosis-in-hct116-cells
#13
Betul Yilmaz, Arzu Zeynep Karabay
NaB, the metabolite of cinnamon and sodium salt of benzoic acid is a commonly used food and beverage preservative. Various studies have investigated NaB for its effects on different cellular models. However, the effects of NaB on cancer cell viability signaling is substantially unknown. In this study, the effects of NaB on viability parameters and NFκB, one of the most important regulators in apoptosis, were examined in HCT116 colon cancer cells. Cell culture, light microscopy, spectrophotometry, flow cytometry, and western blot were used as methods to determine cell viability, caspase-3 activity, NFκB, Bcl-xl, Bim, and PARP proteins, respectively...
March 22, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29477448/effect-of-lung-deflation-with-indacaterol-plus-glycopyrronium-on-ventricular-filling-in-patients-with-hyperinflation-and-copd-claim-a-double-blind-randomised-crossover-placebo-controlled-single-centre-trial
#14
Jens M Hohlfeld, Jens Vogel-Claussen, Heike Biller, Dominik Berliner, Korbinian Berschneider, Hanns-Christian Tillmann, Simone Hiltl, Johann Bauersachs, Tobias Welte
BACKGROUND: Pulmonary hyperinflation in chronic obstructive pulmonary disease (COPD) is associated with reduced biventricular end-diastolic volumes and increased morbidity and mortality. The combination of a long-acting β agonist (LABA) and a muscarinic antagonist (LAMA) is more effective in reducing hyperinflation than LABA-inhaled corticosteroid combination therapy but whether dual bronchodilation improves cardiac function is unknown. METHODS: We did a double-blind, randomised, two-period crossover, placebo-controlled, single-centre study (CLAIM) at the Fraunhofer Institute of Toxicology and Experimental Medicine (Hannover, Germany), a specialty clinic...
May 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29455734/bamboo-salt-suppresses-skin-inflammation-in-mice-with-2-4-dinitrofluorobenzene-induced-atopic-dermatitis
#15
Myoung-Schook Yoou, Sun-Young Nam, Kyoung Wan Yoon, Hyun-Ja Jeong, Hyung-Min Kim
Bamboo salt (BS) is a traditional Korean food, and has been reported to have anti-cancer, anti-inflammatory, and anti-metastatic effects. However, the anti-atopic dermatitis (AD) activity of BS has not been described yet. In the present study, we examined the preventive effect of BS on AD. The effect of oral administration of BS was tested in a 2, 4-dinitrofluorobenzene (DNFB)-induced AD animal model, by histological analysis, enzyme-linked immunosorbent assay, reverse transcription-polymerase chain reaction, caspase-1 assay, and Western blotting analysis...
February 2018: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29452344/overexpression-of-blm-promotes-dna-damage-and-increased-sensitivity-to-platinum-salts-in-triple-negative-breast-and-serous-ovarian-cancers
#16
N J Birkbak, Y Li, S Pathania, A Greene-Colozzi, M Dreze, C Bowman-Colin, Z Sztupinszki, M Krzystanek, M Diossy, N Tung, P D Ryan, J E Garber, D P Silver, J D Iglehart, Z C Wang, D Szuts, Z Szallasi, A L Richardson
Background: Platinum-based therapy is an effective treatment for a subset of triple-negative breast cancer and ovarian cancer patients. In order to increase response rate and decrease unnecessary use, robust biomarkers that predict response to therapy are needed. Patients and methods: We performed an integrated genomic approach combining differential analysis of gene expression and DNA copy number in sensitive compared with resistant triple-negative breast cancers in two independent neoadjuvant cisplatin-treated cohorts...
April 1, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29435007/dexamethasone-induced-apoptosis-of-a549-cells-via-the-tgf-%C3%AE-1-smad2-pathway
#17
Xiao-Ling Feng, Hui-Zhi Fei, Ling Hu
Lung cancers are the most commonly diagnosed malignant tumors, and are one of the leading causes of morbidity and mortality worldwide. Dexamethasone (DEX) serves an important function in the regulation of lung cancer cell proliferation; however, the mechanisms involved still remain unknown. In the present study, the effects of DEX on A549 cell proliferation and apoptosis were examined, in addition to the potential downstream regulatory mechanisms underlying these effects. A549 cells were treated with different concentrations of DEX at 12, 24 and 48 h time points, followed by the addition of SB431542, an inhibitor of the TGF-β1 receptor, to block the TGF-β1 signaling pathway...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29423501/association-of-sulindac-and-erlotinib-vs-placebo-with-colorectal-neoplasia-in-familial-adenomatous-polyposis-secondary-analysis-of-a-randomized-clinical-trial
#18
N Jewel Samadder, Scott K Kuwada, Kenneth M Boucher, Kathryn Byrne, Priyanka Kanth, Wade Samowitz, David Jones, Sean V Tavtigian, Michelle Westover, Therese Berry, Kory Jasperson, Lisa Pappas, Laurel Smith, Danielle Sample, Randall W Burt, Deborah W Neklason
Importance: Patients with familial adenomatous polyposis (FAP) are at markedly increased risk for colorectal polyps and cancer. A combination of sulindac and erlotinib led to a 71% reduction in duodenal polyp burden in a phase 2 trial. Objective: To evaluate effect of sulindac and erlotinib on colorectal adenoma regression in patients with FAP. Design, Setting, and Participants: Prespecified secondary analysis for colorectal adenoma regression was carried out using data from a double-blind, randomized, placebo-controlled trial, enrolling 92 patients with FAP, conducted from July 2010 to June 2014 in Salt Lake City, Utah...
February 8, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29409778/phase-iii-randomized-trial-comparing-5-fluorouracil-and-oxaliplatin-with-or-without-docetaxel-in-first-line-advanced-gastric-cancer-chemotherapy-gastfox-study
#19
Aziz Zaanan, Emmanuelle Samalin, Thomas Aparicio, Olivier Bouche, Pierre Laurent-Puig, Sylvain Manfredi, Pierre Michel, Carole Monterymard, Marie Moreau, Philippe Rougier, David Tougeron, Julien Taieb, Christophe Louvet
INTRODUCTION: In advanced gastric cancer, doublet regimen including platinum salts and fluoropyrimidine is considered as a standard first-line treatment. The addition of docetaxel (75 mg/m2  q3w) to cisplatin (75 mg/m2  q3w) and 5-fluorouracil has been shown to improve efficacy. However, this regimen (DCF) was associated with frequent severe toxicities (including more complicated neutropenia), limiting its use in clinical practice. Interesting alternative docetaxel-based regimens have been developed that need to be validated...
April 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29383312/pattern-of-gustatory-impairment-and-its-recovery-after-head-and-neck-irradiation
#20
Preety Negi, Pamela-Alice Kingsley, Maria Thomas, Jaineet Sachdeva, Himanshu Srivastava, Babusha Kalra
Introduction: The majority of patients receiving concurrent chemoradiotherapy frequently complain of changes in their taste perception, and other distressing symptoms affecting their quality of life. This study was undertaken to determine the pattern of gustatory impairment and its recovery in irradiated head and neck cancer patients in India. Materials and Methods: Thirty patients undergoing radical head and neck irradiation were enrolled and assessed for the four basic taste quality (sweet, salt, sour and bitter) by a forced three-choice stimulus drop technique measuring their taste recognition thresholds at baseline, weekly during radiation therapy (RT) and every month for 6 months following completion of RT...
November 2017: Iranian Journal of Otorhinolaryngology
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