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Cisplatin

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https://www.readbyqxmd.com/read/29679655/n-acetylcysteine-transforms-necrosis-into-apoptosis-and-affords-tailored-protection-from-cisplatin-cytotoxicity
#1
Sandra M Sancho-Martínez, Laura Prieto-García, Marta Prieto, Isabel Fuentes-Calvo, José M López-Novoa, Ana I Morales, Carlos Martínez-Salgado, Francisco J López-Hernández
Nephrotoxicity is the main limitation to the dosage and anticancer efficacy of cisplatin. Cisplatin produces tubular epithelial cell apoptosis and necrosis depending on the concentration of the drug. Protection from cisplatin nephrotoxicity must therefore tackle both cell death modes. For its ability to reduce cisplatin reactivity, in addition to its antioxidant effect, we tested and found that N-acetylcysteine (NAC) was most effective at inhibiting cisplatin cytotoxicity. NAC has no significant effect on cell death induced by either cycloheximide or Fas activation, indicating a rather selective action...
April 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29679292/preparation-and-optimization-lipid-nanocapsules-to-enhance-the-antitumor-efficacy-of-cisplatin-in-hepatocellular-carcinoma-hepg2-cells
#2
Qingqing Zhai, Hailong Li, Yanlin Song, Ruijiao Wu, Chuanfang Tang, Xiaodong Ma, Zhihao Liu, Jinyong Peng, Jianbin Zhang, Zeyao Tang
This work aimed to develop and optimize several lipid nanocapsule formulations (LNCs) to encapsulate cisplatin (CDDP) for treatment of hepatocellular carcinoma. By comparing the effect of oil/surfactant ratio, lecithin content, and oil/surfactant type on LNC characteristics, two LNCs were selected as optimal formulations: HS15-LNC (Solutol HS 15/MCT/lecithin, 54.5:42.5:3%, w/w) and EL-LNC (Cremophor EL/MCT/lecithin, 54.5:42.5:3%, w/w). Both LNCs could effectively encapsulate CDDP with the encapsulation efficiency of 73...
April 20, 2018: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29679139/reality-of-the-emetogenic-level-of-irinotecan
#3
Maria-Angeles Garcia-Del-Barrio, Salvador Martin-Algarra, Azucena Aldaz Pastor
PURPOSE: To assess the emetogenic potential of different chemotherapy (CT) regimens in daily clinical practice in an outpatient setting. To optimize antiemetic prophylaxis if necessary METHODS: Prospective and retrospective review of the emetogenic potential of CT regimens used in adult patients in an outpatient setting RESULTS: We assess the chemotherapy-induced nausea and vomiting (CINV) of 50 different CT regimens used on 157 different patients in an outpatient setting. We found that the CT usually classified as highly emetogenic, including cisplatin and anthracycline-cyclophosphamide combination, had the higher incidence of CINV (37...
April 21, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29679033/innovatively-therapeutic-strategy-on-lung-cancer-by-daily-drinking-antioxidative-plasmon-induced-activated-water
#4
Chien-Kai Wang, Hsiao-Chien Chen, Sheng-Uei Fang, Chia-Wen Ho, Cheng-Jeng Tai, Chih-Ping Yang, Yu-Chuan Liu
Many human diseases are inflammation-related, such as cancer and those associated with aging. Previous studies demonstrated that plasmon-induced activated (PIA) water with electron-doping character, created from hot electron transfer via decay of excited Au nanoparticles (NPs) under resonant illumination, owns reduced hydrogen-bonded networks and physchemically antioxidative properties. In this study, it is demonstrated PIA water dramatically induced a major antioxidative Nrf2 gene in human gingival fibroblasts which further confirms its cellular antioxidative and anti-inflammatory properties...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678734/polymeric-micelle-mediated-delivery-of-half-sandwich-ruthenium-ii-complexes-with-phosphanes-derived-from-fluoroloquinolones-for-lung-adenocarcinoma-treatment
#5
Przemysław Kołoczek, Agnieszka Skórska-Stania, Agnieszka Cierniak, Victor Sebastian, Urszula K Komarnicka, Michał Płotek, Agnieszka Kyzioł
Novel half-sandwich ruthenium(II) complexes with aminomethyl(diphenyl)phosphine derived from fluoroloquinolones (RuPCp, RuPSf, RuPLm, RuPNr) were being investigated as alternatives to well-established metal-based chemotherapeutics. All compounds were characterized by elemental analysis, selected spectroscopic methods (i.e., absorption and fluorescence spectroscopy, ESI-MS, NMR, circular dichroizm), X-ray diffractometry, ICP-MS, and electrochemical techniques. To overcome low solubility, serious side effects connected with systemic cytotoxicity of ruthenium complexes, and acquiring the resistance of cancer cells, polymeric nanoformulations based on Pluronic P-123 micelles loaded with selected Ru(II) complexes were prepared and characterized...
April 17, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29678612/cisplatin-stitched-%C3%AE-poly-glutamatic-acid-nanoconjugate-for-enhanced-safety-and-effective-tumor-inhibition
#6
Huimin Wang, Yerong Xiong, Ruijuan Wang, Yinglan Yu, Jiamin Wang, Zhengxia Hu, Chunmeng Sun, Jiasheng Tu, Dongsheng He
Conjugation of cisplatin to macromolecular carriers has been extensively studied for reducing systemic side effects. Here, a cisplatin-stitched α-poly(glutamatic acid) nanoconjugate with reduced adverse reactions and effective anti-tumor efficacy was synthesized via ionic interaction between platinum ion of cisplatin with carboxylic groups of α-poly(glutamatic acid). The nanoconjugate exhibited good water solubility, suitable size and polydispersity, almost spherical morphologies, and a sustained release profile without burst release...
April 17, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29677454/combined-but-not-the-single-administration-of-vitamin-c-and-l-carnitine-ameliorates-cisplatin-induced-gastric-mucosa-damage-in-male-rats
#7
Modinat Adebukola Adefisayo, Wale Johnson Adeyemi, Quadri Kunle Alabi
Although cisplatin is a potent anticancer drug, it instigates oxidative and pro-inflammatory reactions which poses significant and distressing clinical symptoms in patients including nausea and vomiting which is related to damage of the gastric mucosa. This study investigated the effects of vitamin C and/or L-carnitine on cisplatin-induced gastric mucosa damage in rat. The rats were allocated into groups (n=5): a control group received distilled water and treatment groups received cisplatin (CIP) alone, cisplatin followed by vitamin C, L-carnitine or their combination...
April 20, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29676816/optimized-two-dimensional-gel-electrophoresis-in-an-alkaline-ph-range-improves-the-identification-of-intracellular-cfda-cisplatin-protein-adducts-in-ovarian-cancer-cells
#8
Sandra Kotz, Maximilian Kullmann, Ganna V Kalayda, Nadine Dyballa-Rukes, Ulrich Jaehde, Sabine Metzger
Intracellular binding of cisplatin to proteins has been associated with acquired resistance to chemotherapy. In our previous study we established an analytical method for the identification of intracellular cisplatin-binding proteins. The method used a fluorescent carboxyfluorescein-diacetate-labeled cisplatin analogue (CFDA-cisplatin), two-dimensional gel electrophoresis (2DE) and mass spectrometry, which allows detecting and identifying intracellular CFDA-cisplatin-containing protein adducts in the acidic pH range (pH 4-7)...
April 20, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29676505/differential-reactivity-of-metal-binding-domains-of-copper-atpases-towards-cisplatin-and-colocalization-of-copper-and-platinum
#9
Tiantian Fang, Yao Tian, Siming Yuan, Yaping Sheng, Arnesano Fabio, Giovanni Natile, Yangzhong Liu
P-type ATPases, including MNK and WLN proteins, are responsible for active Cu efflux. These ATPases are also associated with resistance to cisplatin. In this work, we produced different metal-binding domains (MBDs) of ATPase (9 out of 12 domains), and compared their reactivity towards cisplatin. The reaction rates of the MBDs can be largely different; the reaction of MNK6 is about 6 times faster than that of WLN2. Copper coordination favors the platination of the MBDs to different extents. The rate of platination was generally grater for holo-MBDs than for apo-MBDS (particularly in the case of WLN4 and WLN2), however it was negligibly affected in the case of MNK6...
April 20, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29676132/-inhibition-of-yiqi-jiedu-formula-on-proliferation-of-nasopharyngeal-carcinoma-cells-by-mapk-erk-signaling-pathway
#10
Jing Hu, Na Dai, Bing-Yan Xu, Fang-Liang Zhou, Ting Lin, Jing-Jing Luo, Jing-Ying Fan, Ying-Chun He
To study the effect of aqueous extracts of Yiqi Jiedu formula (YQ) on the proliferation of CNE2 cells in human nasopharyngeal carcinoma, and investigate its mechanism to provide a new theoretical basis for the clinical application of YQ. CNE2 cells were treated with different concentrations (0.125, 0.25, 0.5, 0.25 g·L⁻¹) of YQ, positive control medicine (cisplatin 4.0 mg·L⁻¹), inhibitor PD98059 (50 μmol·L⁻¹), activator isoproterenol hydrochloride (20 μmol·L⁻¹), activator isoproterenol hydrochloride (ISO)+YQ 0...
March 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29675791/chemotherapy-treatment-is-associated-with-altered-pd-l1-expression-in-lung-cancer-patients
#11
Lívia Rojkó, Lilla Reiniger, Vanda Téglási, Katalin Fábián, Orsolya Pipek, Attila Vágvölgyi, László Agócs, János Fillinger, Zita Kajdácsi, József Tímár, Balázs Döme, Zoltán Szállási, Judit Moldvay
OBJECTIVES: While the predictive value of programmed cell death ligand-1 (PD-L1) protein expression for immune checkpoint inhibitor therapy of lung cancer has been extensively studied, the impact of standard platinum-based chemotherapy on PD-L1 or programmed cell death-1 (PD-1) expression is unknown. The aim of this study was to determine the changes in PD-L1 expression of tumor cells (TC) and immune cells (IC), in PD-1 expression of IC, and in the amount of stromal mononuclear cell infiltration after platinum-based chemotherapy in patients with lung cancer...
April 19, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29675484/resveratrol-supplementation-rescues-pool-of-growing-follicles-and-ovarian-stroma-from-cisplatin-induced-toxicity-on-the-ovary-in-sprague-dawley-rats-an-experimental-study
#12
Gbotolorun Stella Chinwe, Okafor Izuchukwu Azuka, Ndoeche Chidinma Adaeze
Background: Cisplatin is a potent antineoplastic agent for many cancers but causes several levels of gonadal damage. Ovarian toxicity is a major concern of young cancer patients undergoing chemotherapy. Objective: This study sought to examine the effect of Cisplatin and Resveratrol supplementation on ovarian function in Sprague-Dawley rats. Materials and Methods: In this experimental study, 45 cyclic Sprague-Dawley rats with an average weight of 160 gr were divided into 9 groups (n=5/group)...
January 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29675417/developing-a-reliable-mouse-model-for-cancer-therapy-induced-cardiovascular-toxicity-in-cancer-patients-and-survivors
#13
Kyung Ae Ko, Yin Wang, Sivareddy Kotla, Yuka Fujii, Hang Thi Vu, Bhanu P Venkatesulu, Tamlyn N Thomas, Jan L Medina, Young Jin Gi, Megumi Hada, Jane Grande-Allen, Zarana S Patel, Sarah A Milgrom, Sunil Krishnan, Keigi Fujiwara, Jun-Ichi Abe
Background: The high incidence of cardiovascular events in cancer survivors has long been noted, but the mechanistic insights of cardiovascular toxicity of cancer treatments, especially for vessel diseases, remain unclear. It is well known that atherosclerotic plaque formation begins in the area exposed to disturbed blood flow, but the relationship between cancer therapy and disturbed flow in regulating plaque formation has not been well studied. Therefore, we had two goals for this study; (1) Generate an affordable, reliable, and reproducible mouse model to recapitulate the cancer therapy-induced cardiovascular events in cancer survivors, and (2) Establish a mouse model to investigate the interplay between disturbed flow and various cancer therapies in the process of atherosclerotic plaque formation...
2018: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29675095/phase-i-ii-clinical-trial-of-everolimus-combined-with-gemcitabine-cisplatin-for-metastatic-triple-negative-breast-cancer
#14
In Hae Park, Sun-Young Kong, Youngmee Kwon, Min Kyeong Kim, Sung Hoon Sim, Jungnam Joo, Keun Seok Lee
Background: The PI3K/AKT/mTOR pathway is an important oncogenic driver in triple-negative breast cancer (TNBC). This study investigated the clinical efficacy and safety of the combination of gemcitabine and cisplatin with everolimus (GPE) in patients with metastatic TNBC. Methods: In phase I, we assessed the maximum tolerated dose (MTD) of GPE in metastatic TNBC patients. Then, using a seamless design, we conducted a randomized phase II trial to compare GPE to GP in terms of progression-free survival (PFS) and toxicity...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29674766/the-combination-of-gemcitabine-cisplatin-and-paclitaxel-as-salvage-chemotherapy-for-advanced-urothelial-carcinoma
#15
Takeshi Hirata, Masanori Hanamoto, Kazuma Ogura, Nobuki Hayashi, Kosuke Takamura, Kohei Edamura, Shin Ebara, Takashi Saika
There is no standard second-line or salvage treatment for advanced urothelial carcinoma (UC). Here we investigated the efficacy and safety of gemcitabine, cisplatin, and paclitaxel (GCP) combination chemotherapy as salvage chemotherapy for advanced UC. We retrospectively analyzed the cases of 23 patients with advanced UC who showed progression or recurrence after cisplatin-based chemotherapy. Gemcitabine (1000 mg/m2), and paclitaxel (80 mg/m2) were administered on days 1 and 8. Cisplatin (70 mg/m2) was administered on day 1...
April 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29674280/the-chemotherapeutic-effect-of-%C3%AE-2-himachalen-6-ol-in-chemically-induced-skin-tumorigenesis
#16
Hamid E Daaboul, Carole Dagher, Robin I Taleb, Kikki Bodman-Smith, Wassim N Shebaby, Mirvat El-Sibai, Mohamad A Mroueh, Costantine F Daher
β-2-himachalen-6-ol (HC), a novel sesquiterpene derived from Lebanese wild carrot, was shown to possess a remarkable anticancer activity. The present study investigates the in vitro anticancer activity of HC and its effect on papillomas induced using a DMBA/TPA skin carcinogenesis mouse model. HaCaT-ras II-4 epidermal squamous cell viability was assessed using WST-1 kit. Cell cycle was analyzed by flow cytometry, and pro/anti-apoptotic proteins were measured using western blot. Mice papillomas were induced by DMBA and promoted with TPA for 18 weeks...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29673950/metastatic-mediastinal-mature-teratoma-with-malignant-transformation-in-a-young-man-with-an-adenocarcinoma-in-a-klinefelter-s-syndrome-case-report-and-review-of-the-literature
#17
C Le Fèvre, C Vigneron, H Schuster, A Walter, L Marcellin, G Massard, P Lutz, G Noël
Malignant transformation of mediastinal mature teratoma is extremely rare and worsens the prognosis of the disease. Transformation can appear synchronously to or several years after the initial diagnosis. Clinical and radiological signs can orientate the clinician but the definitive diagnosis is obtained thanks to histology. An 11 year-old boy presented with a mediastinal mature teratoma and bone and pulmonary metastases. He received six cycles of chemotherapy combining etoposide, ifosfamide, cisplatin, followed by resection of a 16×14×9cm mediastinal mass...
April 16, 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29673779/protective-effect-of-gallic-acid-against-cisplatin-induced-ototoxicity-in-rats
#18
Korhan Kilic, Muhammed Sedat Sakat, Fazile Nur Ekinci Akdemir, Serkan Yildirim, Yavuz Selim Saglam, Seda Askin
INTRODUCTION: Cisplatin is an antineoplastic agent widely used in the treatment of a variety of cancers. Ototoxicity is one of the main side-effects restricting the use of cisplatin. OBJECTIVE: The purpose of this study was to investigate the protective efficacy of gallic acid, in biochemical, functional and histopathological terms, against ototoxicity induced by cisplatin. METHODS: Twenty-eight female Sprague Dawley rats were included. Rats were randomly assigned into four groups of seven animals each...
April 7, 2018: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29673642/hyperthermia-mediated-drug-delivery-induces-biological-effects-at-the-tumor-and-molecular-levels-that-improve-cisplatin-efficacy-in-triple-negative-breast-cancer
#19
Michael Dunne, Yannan N Dou, Danielle M Drake, Tara Spence, Sávio M L Gontijo, Peter G Wells, Christine Allen
Triple negative breast cancer is an aggressive disease that accounts for at least 15% of breast cancer diagnoses, and a disproportionately high percentage of breast cancer related morbidity. Intensive research efforts are focused on the development of more efficacious treatments for this disease, for which therapeutic options remain limited. The high incidence of mutations in key DNA repair pathways in triple negative breast cancer results in increased sensitivity to DNA damaging agents, such as platinum-based chemotherapies...
April 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29673423/experimental-and-in-silico-analysis-of-cordycepin-and-its-derivatives-as-endometrial-cancer-treatment
#20
Pedro Fong, Cheng N Ao, Kai I Tou, Ka M Huang, Chi C Cheong, Li R Meng
The aim of this study was to investigate the inhibition effects of cordycepin and its derivatives on endometrial cancercell growth. Cytotoxicity MTT assays, clonogenic assays and flow cytometry were used to observe the effects on apoptosis and regulation of the cell cycle of Ishikawa cells under various concentrations of cordycepin, cisplatin and combinations of the two. Validated in silico docking simulations were performed on 31 cordycepin derivatives against adenosine deaminase (ADA) to predict their binding affinities and hence their potential tendency to be metabolized by ADA...
April 19, 2018: Oncology Research
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