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Treatment of cancer withs salts

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https://www.readbyqxmd.com/read/28930188/cytotoxic-and-apoptotic-activities-of-prunus-spinosa-trigno-ecotype-extract-on-human-cancer-cells
#1
Stefania Meschini, Evelin Pellegrini, Maria Condello, Giovanni Occhionero, Sebastiano Delfine, Giancarlo Condello, Franco Mastrodonato
The aim of this work was to demonstrate that a natural compound, not-toxic to normal cells, has cytotoxic and sensitizing effects on carcinoma cells, with the final goal of combining it with chemotherapeutic drugs to reduce the overall dose. Prunus spinosa Trigno ecotype (PsT) drupe extract with a nutraceutical activator complex (NAC) made of amino acids, vitamins and mineral salt blends, has shown in vitro anticancer activity. The cytotoxic effect of (PsT + NAC)(®) has been evaluated on human cancer cells, with an initial screening with colorectal, uterine cervical, and bronchoalveolar cells, and a subsequent focus on colon carcinoma cells HCT116 and SW480...
September 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28922727/the-relevance-of-gastric-cancer-biomarkers-in-prognosis-and-pre-and-post-chemotherapy-in-clinical-practice
#2
REVIEW
Muhammad Abbas, Murad Habib, Muhammad Naveed, Kumaragurubaran Karthik, Kuldeep Dhama, Meiqi Shi, Chen Dingding
Gastric cancer (GC) is one among the major cancer types, causing human deaths and present noticeable heterogeneity. The incidences and mortality rates are higher in males in comparison to females with a male to female ratio of 2.3:1. A lot of studies have revealed out the molecular basis, pathogenesis, invasion and metastasis related findings of gastric stomach cancer. Present review encompasses the salient information on various biomarkers for the early diagnosis, treatment and prognosis of gastric cancer elaborate the clinical importance of serum tumor markers in patients with this cancer as well as checking the growths, together with epigenetic changes and genetic polymorphisms...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28881812/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#3
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880521/peptide-dendrons-as-thermal-stability-amplifiers-for-igg1-monoclonal-antibody-biotherapeutics
#4
Rohit Bansal, Sameer Dhawan, Soumili Chatterjee, Govind Maurya, V Haridas, Anurag Singh Rathore
Biotherapeutics such as monoclonal antibodies (mAbs) have a major share of the pharmaceutical industry for treatment of life-threatening chronic diseases such as cancer, skin ailments and immune disorders. Instabilities such as aggregation, fragmentation, oxidation and reduction have resulted in the practice of storing these products at low temperatures (-80ºC to -20ºC). However, reliable storage at these temperatures can be a challenge, particularly in developing and underdeveloped countries and hence lately there has been a renewed interest in creating formulations that would offer stability at higher temperatures (25ºC to 55ºC)...
September 7, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28876048/size-controllable-and-surface-tunable-zeolitic-imidazolate-framework-8-zif-8-poly-acrylic-acid-sodium-salt-paas-nanocomposites-for-ph-responsive-drug-release-and-enhanced-in-vivo-cancer-treatment
#5
Li Yan, Xianfeng Chen, Zhigang Wang, Xiujuan Zhang, Xiaoyue Zhu, Mengjiao Zhou, Wei Chen, Longbiao Huang, Vellaisamy A L Roy, Peter K N Yu, Guangyu Zhu, WenJun Zhang
Nanoscale size controllable and surface modifiable Zeolitic Imidazolate Framework-8 (ZIF-8)-Poly(acrylic acid sodium salt) (PAAS) nanocomposites are reported by employing PAAS nanospheres as a soft template. Interestingly, the nanocomposites with different sizes in the range of 30-200 nm exhibit different crystallinity, and pH sensitivity. As a test case, these nanocomposites were employed as vectors to delivery doxorubicin (DOX) for anticancer therapy, leading to greatly enhanced drug therapeutic efficacy and biocompatibility in vitro and in vivo...
September 6, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28808039/preclincial-evaluation-of-intravesical-cisplatin-nanoparticles-for-non-muscle-invasive-bladder-cancer
#6
Max Kates, Abhijit Date, Takahiro Yoshida, Umara Afzal, Pranjali Kanvinde, Taarika Babu, Nikolai A Sopko, Hotaka Matsui, Noah M Hahn, David J McConkey, Alex S Baras, Justin Hanes, Laura Ensign, Trinity J Bivalacqua
PURPOSE: Prior clinical trials evaluating cisplatin for non-muscle invasive bladder cancer (NMIBC) were stopped due to local and systemic toxicity. Currently, there is still a need for improved intravesical therapies, and nanoparticle-based CDDP may be efficacious without the toxicity of free cisplatin observed in the past. EXPERIMENTAL DESIGN: Cisplatin nanoparticles (CDDP NP) were developed using biocompatible poly(L-aspartic acid sodium salt) (PAA), both with and without low and high grafting density of methoxy-polyethylene glycol (PEG)...
August 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28790113/neurotensin-receptor-1-antagonist-sr48692-improves-response-to-carboplatin-by-enhancing-apoptosis-and-inhibiting-drug-efflux-in-ovarian-cancer
#7
Jin Liu, Mikael Agopiantz, Joel Poupon, Zherui Wu, Pierre-Alexandre Just, Bruno Borghese, Evelyne Ségal-Bendirdjian, Guillaume Gauchotte, Anne Gompel, Patricia Forgez
PURPOSE: The high affinity receptor 1 (NTSR1) and its agonist, neurotensin (NTS), is correlated with tumor cell aggressiveness in most solid tumors. As chemo-resistance and tumor aggressiveness are often related; we decided to study the role of the NTSR1 complex within platinum-based chemotherapy responses. In an ovarian model, we studied carboplatin because it is the main standard of care for ovarian cancer (OC). EXPERIMENTAL DESIGN: Experimental tumors and in vitro studied were performed using SKOV3 and A2780 cells treated with carboplatin, with or without a very specific NTSR1 antagonist, SR48692...
August 8, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28770827/discovery-of-potent-2-4-difluoro-linker-poly-adp-ribose-polymerase-1-inhibitors-with-enhanced-water-solubility-and-in-vivo-anticancer-efficacy
#8
Wen-Hua Chen, Shan-Shan Song, Ming-Hui Qi, Xia-Juan Huan, Ying-Qing Wang, Hualiang Jiang, Jian Ding, Guo-Bin Ren, Ze-Hong Miao, Jian Li
Poly (ADP-ribose) polymerase 1 (PARP1) is overexpressed in a variety of cancers, especially in breast and ovarian cancers; tumor cells that are deficient in breast cancer gene 1/2 (BRCA1/2) are highly sensitive to PARP1 inhibition. In this study, we identified a series of 2,4-difluorophenyl-linker analogs (15-55) derived from olaparib as novel PARP1 inhibitors. Four potent analogs 17, 43, 47, and 50 (IC50=2.2-4.4 nmol/L) effectively inhibited the proliferation of Chinese hamster lung fibroblast V-C8 cells (IC50=3...
August 3, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28767065/do-multiwell-plate-high-throughput-assays-measure-loss-of-cell-viability-following-exposure-to-genotoxic-agents
#9
Razmik Mirzayans, Bonnie Andrais, David Murray
Cell-based assays in multiwell plates are widely used for radiosensitivity and chemosensitivity assessment with different mammalian cell types. Despite their relative ease of performance, such assays lack specificity as they do not distinguish between the cytostatic (reversible/sustained growth arrest) and cytotoxic (loss of viability) effects of genotoxic agents. We recently reported studies with solid tumor-derived cell lines demonstrating that radiosensitivity as measured by multiwell plate colorimetric (e...
August 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28730962/phosphonium-salt-displays-cytotoxic-effects-against-human-cancer-cell-lines
#10
Dhanyalayam Dhanya, Giuseppe Palma, AnnaRita Cappello, Annaluisa Mariconda, Maria Stefania Sinicropi, Francesca Giordano, Vitale Del Vecchio, Anna Ramunno, Claudio Arra, Pasquale Longo, Carmela Saturnino
Aims/ Objective: Phosphonium salts are compounds whose structural characteristics enable them to cross the plasma and mitochondrial membrane with ease. Cancer cells have higher plasma membrane potentials than normal cells, phosphonium salts selectively accumulate in the mitochondria of neoplastic cells and inhibit mitochondrial function. METHOD: In the presente work, we investigate the cytotoxic activity of lipophilic phosphonium salt (11-methoxy11-oxo-undecyl) triphenylphosphonium bromide (MUTP) as well as of two new phosphine oxide salts, 3,3'-(methylphosphoryl) dibenzenaminium chloride (SBAMPO) and 3,3' (phenylphosphoryl) dibenzenaminium chloride (SBAPPO) on the proliferation of breast cancer cell line (MCF-7) and human uterin cervix adenocarcinoma cells (HeLa)...
July 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28699790/safety-of-available-and-emerging-drug-therapies-for-hyperhidrosis
#11
REVIEW
Christine Hosp, Henning Hamm
Hyperhidrosis affects 4.8% of the U.S. population and has been underestimated by physicians for long time despite considerable interference with quality of life. Many patients suffer from primary (idiopathic) hyperhidrosis which results from over-activity of sympathetic nerves and is restricted to specific body areas, mostly the axillae, palms, soles, or head. Secondary hyperhidrosis is caused by an underlying disease or the intake of medications and often involves large parts of the body. Numerous effective therapies with topical or systemic drugs and surgical options are available...
September 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28658303/critical-role-of-sik3-in-mediating-high-salt-and-il-17-synergy-leading-to-breast-cancer-cell-proliferation
#12
Suneetha Amara, Ciera Majors, Bipradas Roy, Salisha Hill, Kristie L Rose, Elbert L Myles, Venkataswarup Tiriveedhi
Chronic inflammation is a well-known precursor for cancer development and proliferation. We have recently demonstrated that high salt (NaCl) synergizes with sub-effective interleukin (IL)-17 to induce breast cancer cell proliferation. However, the exact molecular mechanisms mediating this effect are unclear. In our current study, we adopted a phosphoproteomic-based approach to identify salt modulated kinase-proteome specific molecular targets. The phosphoprotemics based binary comparison between heavy labelled MCF-7 cells treated with high salt (Δ0...
2017: PloS One
https://www.readbyqxmd.com/read/28657910/a-palladium-ii-saccharinate-complex-of-terpyridine-exerts-higher-anticancer-potency-and-less-toxicity-than-cisplatin-in-a-mouse-allograft-model
#13
Yuksel Cetin, Zelal Adiguzel, Hivda U Polat, Tolga Akkoc, Arzu Tas, Buse Cevatemre, Gokalp Celik, Baris Carikci, Veysel T Yilmaz, Engin Ulukaya, Ceyda Acilan
The main aim of this study is to assess the safety and antitumor efficacy of a palladium(II) (Pd)-saccharinate complex with terpyridine. To characterize the Pd(II) complex in vitro, its cytotoxicity was evaluated using a water-soluble tetrazolium salt cell viability assay and the mechanism of cell death was assessed by DNA fragmentation/condensation and live cell imaging analyses. The antitumor efficacy and safety of the Pd(II) complex in-vivo were examined by analyzing reduction in tumor size, changes in body and organ weight, histopathological analysis of liver, kidney, and tumor sections, and biochemical analysis of serum in C57BL/6 mice...
June 27, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28637014/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#14
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28622171/reactions-to-cytostatic-agents-in-children
#15
Josefina R Cernadas
PURPOSE OF REVIEW: The current review will focus on drug hypersensitivity reactions to chemotherapy specifically to those drugs most used in children. We know that potentially all chemotherapeutic agents can cause infusion reactions, generally defined as adverse drug reactions. Of these, some are Type A, defined as expected and described in the characteristics of the drug and others, and Type B, defined as unexpected reactions which cannot be explained by the known toxicity profile of the drug...
August 2017: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28619759/modeling-therapy-resistance-in-brca1-2-mutant-cancers
#16
Amy Dréan, Chris T Williamson, Rachel Brough, Inger Brandsma, Malini Menon, Asha Konde, Isaac Garcia-Murillas, Helen N Pemberton, Jessica Frankum, Rumana Rafiq, Nicholas Badham, James Campbell, Aditi Gulati, Nicholas C Turner, Stephen J Pettitt, Alan Ashworth, Christopher J Lord
Although PARP inhibitors target BRCA1- or BRCA2-mutant tumor cells, drug resistance is a problem. PARP inhibitor resistance is sometimes associated with the presence of secondary or "revertant" mutations in BRCA1 or BRCA2 Whether secondary mutant tumor cells are selected for in a Darwinian fashion by treatment is unclear. Furthermore, how PARP inhibitor resistance might be therapeutically targeted is also poorly understood. Using CRISPR mutagenesis, we generated isogenic tumor cell models with secondary BRCA1 or BRCA2 mutations...
June 15, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28616610/current-approaches-to-gastric-cancer-in-peru-and-mexico
#17
REVIEW
Erlan Santos
In Peru, the incidence of gastric cancer is reported to be around 15.8 per 100,000 inhabitants and it is the second most common oncological disease in men and the third one in women. Additionally, a high mortality index was reported, especially among poor people. To address this issue, in 2008, Peru initiated several insurance treatment plans of oncological diseases with promising results. In Mexico, there is a high predominance of gastric cancer in male gender compared to female gender, even reaching a 2/1 ratio, and the detection rate of early gastric cancer is low (10% to 20%) which results in a mainly palliative treatment with an overall survival rate in 5 years about 10% to 15% only...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28599433/ccaat-enhancer-binding-protein-%C3%AE-decreases-the-viability-of-gastric-cancer-cells
#18
Minoru Tomizawa, Fuminobu Shinozaki, Yasufumi Motoyoshi, Takao Sugiyama, Shigenori Yamamoto, Naoki Ishige
CCAAT/enhancer-binding protein (C/EBP) α, C/EBPβ and C/EBPδ are involved in inflammation and cell differentiation. In the present study, their roles in human gastric cancer cells were investigated. The human gastric cancer cell lines MKN45 and MKN74 were subjected to the reverse transcription-quantitative polymerase chain reaction (RT-qPCR) to analyze the expression levels of C/EBPα, C/EBPβ and C/EBPδ. The cells were transfected with expression plasmids for either C/EBPα or C/EBPδ, and subjected to a 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt (MTS) assay and RT-qPCR for analysis of cyclin D1 expression...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28551633/enhancing-5-fluorouracil-efficacy-in-a-primary-colorectal-cancer-by-long-lasting-calcium-supplementation
#19
Keun-Yeong Jeong, Minhee Park, In Un Kim, Jae Jun Sim, Hwan Mook Kim
BACKGROUND/AIM: 5-Fluorouracil (5-FU) over-use has led to an urgent need for alternative treatment regimens, such as a lower concentration of the drug because of its toxic effects. The aim of this study was to investigate the possibility of improving the antitumor effect of 5-FU without toxicity by targeting primary colorectal cancer (CRC) with sustained calcium supplementation. MATERIALS AND METHODS: The viability of CRC cells was determined after treatment of 5-FU, lactate calcium salt (CaLac), or the combination of te two...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28548843/zwitterionic-nanocarrier-surface-chemistry-improves-sirna-tumor-delivery-and-silencing-activity-relative-to-polyethylene-glycol
#20
Meredith A Jackson, Thomas A Werfel, Elizabeth J Curvino, Fang Yu, Taylor E Kavanaugh, Samantha M Sarett, Mary D Dockery, Kameron V Kilchrist, Ayisha N Jackson, Todd D Giorgio, Craig L Duvall
Although siRNA-based nanomedicines hold promise for cancer treatment, conventional siRNA-polymer complex (polyplex) nanocarrier systems have poor pharmacokinetics following intravenous delivery, hindering tumor accumulation. Here, we determined the impact of surface chemistry on the in vivo pharmacokinetics and tumor delivery of siRNA polyplexes. A library of diblock polymers was synthesized, all containing the same pH-responsive, endosomolytic polyplex core-forming block but different corona blocks: 5 kDa (benchmark) and 20 kDa linear polyethylene glycol (PEG), 10 kDa and 20 kDa brush-like poly(oligo ethylene glycol), and 10 kDa and 20 kDa zwitterionic phosphorylcholine-based polymers (PMPC)...
June 27, 2017: ACS Nano
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