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https://www.readbyqxmd.com/read/28628910/the-efficacy-of-trimodal-chemoradiotherapy-with-cisplatin-as-a-bladder-preserving-strategy-for-the-treatment-of-muscle-invasive-bladder-cancer
#1
Kazuhiro Nagao, Takahiko Hara, Jun Nishijima, Kosuke Shimizu, Nakanori Fujii, Keita Kobayashi, Yoshihisa Kawai, Ryo Inoue, Yoshiaki Yamamoto, Hiroaki Matsumoto, Hideyasu Matsuyama
INTRODUCTION: Open radical cystectomy (ORC) is currently the standard treatment for muscle-invasive bladder cancer (MIBC) without metastasis, while many patients with MIBC are not always appropriate candidates due to multiple comorbidities. To evaluate the bladder-preservation strategy, we compared the results with those obtained by ORC. PATIENTS AND METHODS: We retrospectively analyzed the data of 50 patients with MIBC treated by trimodal chemoradiotherapy with cisplatin (CDDP-radiation [CDDP-R])...
June 21, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28627624/pro-oxidant-activity-of-sulforaphane-and-cisplatin-potentiates-apoptosis-and-simultaneously-promotes-autophagy-in-malignant-mesothelioma-cells
#2
Yoon-Jin Lee, Sang-Han Lee
Sulforaphane (SFN) is an isothiocyanate compound derived from glucoraphanin, which is found in cruciferous vegetables, and has been heralded as a chemopreventive and/or chemotherapeutic agent. The present study investigated the effects of SFN on enhancing the anticancer role of cisplatin (cis-dichlorodiammineplatinum; CDDP) in H‑28 malignant mesothelioma cells. At concentrations demonstrating limited toxicity in MeT‑5A normal human mesothelial cells, combination treatment with the two compounds exhibited synergistic growth‑inhibiting and apoptosis‑promoting activities, as demonstrated by a series of proapoptotic events, including reactive oxygen species accumulation, loss of mitochondrial membrane potential, upregulation of p53 expression, increased B‑cell lymphoma 2 (Bcl‑2) associated X protein/Bcl‑2 ratio, activation of caspase‑3, the occurrence of a sub‑G0/G1 peak and an increase in cells with pyknotic and fragmented nuclei, Annexin V‑phycoerythrin‑positive staining and G2/M phase‑transition delay in the cell cycle...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627458/sirna-loaded-biodegradable-nanocarriers-for-therapeutic-mapk1-silencing-against-cisplatin-induced-ototoxicity
#3
Ibrahima Youm, Matthew B West, Wei Li, Xiaoping Du, Donald L Ewert, Richard D Kopke
Ototoxicity represents a major adverse side-effect of cis-diamminedichloroplatinum-II (cisplatin, CDDP). The mitogen-activated protein kinase (MAPK) pathway is thought to play a central role in potentiating the apoptotic effect of CDDP within the cochlea. We hypothesized that prophylactic inhibition of MAPK signaling, using small interfering RNA (siRNA), might confer a protective effect against CDDP-induced apoptosis within the auditory sensory epithelia. To enhance the therapeutic utility of this approach, we synthesized biocompatible siMAPK1-loaded nanoparticles (NPs) and performed physicochemical characterizations for size, morphology, drug loading and release kinetics, using dynamic light scattering, electron microscopy and spectrophotometric analyses, respectively...
June 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28623290/tcrp1-transcriptionally-regulated-by-c-myc-confers-cancer-chemoresistance-in-tongue-and-lung-cancer
#4
Xiaoting Jia, Zhijie Zhang, Kai Luo, Guopei Zheng, Minying Lu, Ying Song, Hao Liu, Huisi Qiu, Zhimin He
Previously, we cloned a new gene termed 'tongue cancer resistance-associated protein 1' (TCRP1), which modulates tumorigenesis, enhances cisplatin (cDDP) resistance in cancers, and may be a potential target for reversing drug resistance. However, the mechanisms for regulating TCRP1 expression remain unclear. Herein, we combined bioinformatics analysis with luciferase reporter assay and ChIP assay to determine that c-Myc could directly bind to TCRP1 promoter to upregulate its expression. TCRP1 upregulation in multidrug resistant tongue cancer cells (Tca8113/PYM) and cisplatin-resistant A549 lung cancer cells (A549/DDP) was accompanied by c-Myc upregulation, compared to respective parental cells...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28620200/urinary-metabolomics-reveals-the-therapeutic-effect-of-huangqi-injections-in-cisplatin-induced-nephrotoxic-rats
#5
Chang-Yin Li, Hui-Ting Song, Xiao-Xiao Wang, Yao-Yao Wan, Xuan-Sheng Ding, Shi-Jia Liu, Guo-Liang Dai, Yue-Heng Liu, Wen-Zheng Ju
The side effects of cisplatin (CDDP), notably nephrotoxicity, greatly limited its use in clinical chemotherapy. HuangQi Injections (HI), a commonly used preparation of the well-known Chinese herbal medicine Astragali radix, appeared to be promising treatment for nephrotoxicity without compromising the anti-tumor activity of CDDP. In this study, the urinary metabolomics approach using liquid chromatography time of flight mass spectrometry (LC-TOF/MS) was developed to assess the toxicity-attenuation effects and corresponding mechanisms of HI on CDDP-exposed rats...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28619508/mir-129-5p-inhibits-non-small-cell-lung-cancer-cell-stemness-and-chemoresistance-through-targeting-dlk1
#6
Zheng Ma, Hongfei Cai, Yan Zhang, Liang Chang, Youbin Cui
Non-small cell lung cancer (NSCLC) stemness and chemoresistance represent significant barriers to successful treatment. Downregulation of microRNA 129 (miR-129) has been implicated in a variety of cancers, and miR-129-5p has recently been shown to reduce lung cancer proliferation and metastasis. In this study, we used NSCLC cell lines A549 and H460 to investigate the effects of miR-129-5p on NSCLC stemness and chemoresistance. CD133 + stem cells in both lines showed reduced miR-129-5p expression, and introducing miR-129-5p into these cells reduced stem cell markers and self-renewal ability, as measured by qRT-PCR, western blot, MTT assays, and sphere formation assays...
June 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28618418/prognostic-significance-of-microrna-7-and-its-roles-in-the-regulation-of-cisplatin-resistance-in-lung-adenocarcinoma
#7
Mao-Wei Cheng, Ze-Tian Shen, Gu-Yu Hu, Li-Guo Luo
BACKGROUND: Previously, microRNA (miR)-7 has been reported to function as a tumor suppressor in human cancers, but the correlations of miR-7 expression with prognosis and cisplatin (CDDP) resistance in lung adenocarcinoma (LA) are unclear. Here, our aim is to determine the prognostic significance of miR-7 and its roles in the regulation of CDDP resistance in LA. METHODS: Quantitative real-time PCR (qRT-PCR) assay was performed to determine miR-7 expression in 108 paired of LA tissues and analyze its correlations with clinicopathological factors of patients...
June 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28614291/cldn1-increases-drug-resistance-of-non-small-cell-lung-cancer-by-activating-autophagy-via-up-regulation-of-ulk1-phosphorylation
#8
Zhenhuan Zhao, Jing Li, Yan Jiang, Wen Xu, Xin Li, Weili Jing
BACKGROUND The aim of this study was to investigate the expression of CLDN1 in non-small cell lung cancer (NSCLC) and its mechanism of action in cisplatin resistance. MATERIAL AND METHODS A total of 55 patients with NSCLC admitted to our hospital between October 2013 and October 2015 were included. NSCLC tissues and tumor-adjacent tissues (≥5 cm from tumor edge) were collected. Among the 55 patients, 37 had adenocarcinoma and 18 had squamous cell carcinoma. Quantitative real-time polymerase chain reaction was used to determine mRNA expression, and protein expression was examined using Western blotting...
June 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28612488/front-line-window-therapy-with-cisplatin-in-patients-with-primary-disseminated-ewing-sarcoma-a-study-by-the-associazione-italiana-di-ematologia-ed-oncologia-pediatrica-and-italian-sarcoma-group
#9
Roberto Luksch, Giovanni Grignani, Paolo D'Angelo, Arcangelo Prete, Nadia Puma, Marta Podda, Michela Casanova, Andrea Ferrari, Carlo Morosi, Franca Fagioli, Massimo Aglietta, Stefano Ferrari, Piero Picci, Maura Massimino
The aim was to assess the activity of cisplatin (CDDP) in Ewing sarcoma (ES). The study consisted of front-line window therapy with CDDP 120 mg/sqm every 3 weeks for two courses in children and young adults with primary disseminated ES. Response was assessed using the Response Evaluation Criteria in Solid Tumours criteria, and Simon's two-stage design was applied. Twelve consecutive patients were enrolled in stage 1. Only one objective response was observed. Since the target response rate was not achieved, accrual was stopped and CDDP as a single agent in ES was judged unworthy of further assessment...
June 14, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28611637/a-case-of-posterior-reversible-encephalopathy-syndrome-induced-by-cisplatin-pemetrexed-chemotherapy-for-lung-cancer
#10
Masashi Ishihara, Noriyuki Matsutani, Shuji Ota, Nobuhiko Seki
This report presents the case of a 60-year-old woman who was diagnosed with stage IV lung adenocarcinoma with asymptomatic brain metastases and commenced chemotherapy with cisplatin/pemetrexed (CDDP/Pem). She experienced tonic-clonic convulsions on day 9 of the first cycle, which were accompanied by increased blood pressure (173/69 mm Hg) and headache. Therefore, brain MRI was performed to check for stroke or progression of brain metastatic foci. T2-weighted, FLAIR, and ADC map images showed high-intensity areas in the subcortical region of the bilateral parieto-occipital lobes, leading to a diagnosis of posterior reversible encephalopathy syndrome (PRES)...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28608600/the-hypoxia-il1a-axis-promotes-gastric-cancer-progression-and-drug-resistance
#11
Yi Xuan, Yanong Wang
AIM: Tumor microenvironment constitutes a unique niche that promotes cancer metastasis and resistance. Two remarkable characteristics of this microenvironment are hypoxia and inflammation. Interleukin-1 alpha (IL1A), an important inflammatory factor, is frequently upregulated in a variety of cancers. Herein, we set force to characterize IL1A expression in gastric cancer and explore the relationship between IL1A and hypoxia. METHODS: Reverse-transcriptase PCR (RT-PCR) was performed to characterize IL1A expression in different gastric cancer cell lines under normonia or hypoxia...
June 13, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28598516/intratumor-cisplatin-nephrotoxicity-in-combined-laser-induced-thermal-therapy-for-cancer-treatment
#12
Marcel N Palumbo, Onivaldo Cervantes, Cecilia Eugênio, Flávia T P Hortense, João C Ribeiro, Ana Amélia P Paolini, Antônio C Tedesco, Joel A Sercarz, Marcos B Paiva
INTRODUCTION: Thermal ablation of tumors by Nd:YAG laser has been growing as a multidisciplinary subspecialty defined as laser-induced thermal therapy (LITT), and has been increasingly accepted as a minimally invasive method for palliation of advanced or recurrent cancer. Previous studies have shown that adjuvant chemotherapy can potentiate laser thermal ablation of tumors leading to improved palliation in advanced cancer patients. OBJECTIVE: Evaluate nephrotoxicity by early markers of renal function in treating head and neck cancer using intra-tumor injections of cisplatin combined with laser-induced thermal therapy (CDDP-LITT)...
June 9, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28589526/a-large-inner-diameter-multi-walled-carbon-nanotube-based-dual-drug-delivery-system-with-ph-sensitive-release-properties
#13
Tao Yang, Zhenzhen Wu, Pingting Wang, Tingting Mu, Han Qin, Zhimin Zhu, Jian Wang, Lei Sui
A novel dual-drug delivery system (DDDS) for cancer chemotherapy has been established by employing highly purified and mildly oxidized large-inner-diameter multi-walled carbon nanotubes (LID-MWCNTs) as the vector. The LID-MWCNTs were modified with the antitumor drugs, cisplatin (CDDP) and doxorubicin (DOX). CDDP was encapsulated inside the nanotube vectors by a wet-chemical approach while DOX was attached to the external surfaces through non-covalently interaction. The loading efficiencies of CDDP and DOX were as high as 84...
July 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28588727/synergistic-cytotoxic-effects-of-a-combined-treatment-of-a-pinellia-pedatisecta-lipid-soluble-extract-and-cisplatin-on-human-cervical-carcinoma-in-vivo
#14
Mingxing Zhang, Yi Yu, Hongwei Zhang, Haixia Huang, Qingqing Cai, Yu Kang, Guiling Li, Congjian Xu
Herbal medicines are known to have numerous benefits, including lower toxicity and fewer side effects than traditional chemotherapeutic drugs. In traditional Chinese medicine, the rhizome of Pinellia pedatisecta (PE) Schott has long been used to treat cancer, undiagnosed swelling and erythema toxicum. However, its medical benefits lack support from scientific evidence. A novel lipid-soluble extract from PE has been previously verified to enhance the cytotoxicity of cis-dichlorodiammineplatinum-II (CDDP) against human cervical cancer cells in vitro...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28586717/conjugation-of-platinum-iv-complexes-with-chlorambucil-to-overcome-cisplatin-resistance-via-a-joint-action-mode-toward-dna
#15
Xiaodong Qin, Lei Fang, Feihong Chen, Shaohua Gou
Two platinum(IV) complexes were designed and prepared by conjugation of cisplatin and oxaliplatin units with a DNA-damaging agent, chlorambucil, respectively. By taking a joint action to enhance the damage of DNA, the conjugates displayed potent antitumor activity against all the tested cancer cell lines comparable to cisplatin and oxaliplatin, and notably could overcome cisplatin resistance at certain degree. Complex 4, a hybrid of cisplatin and chlorambucil, arrested the cell cycle at the S and G2 phases, distinctive from those of cisplatin and oxaliplatin...
May 28, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28579777/electrohydrodynamic-fabrication-of-core-shell-plga-nanoparticles-with-controlled-release-of-cisplatin-for-enhanced-cancer-treatment
#16
Philip Jt Reardon, Maryam Parhizkar, Anthony H Harker, Richard J Browning, Vessela Vassileva, Eleanor Stride, R Barbara Pedley, Mohan Edirisinghe, Jonathan C Knowles
Increasing the clinical efficacy of toxic chemotherapy drugs such as cisplatin (CDDP), via targeted drug delivery, is a key area of research in cancer treatment. In this study, CDDP-loaded poly(lactic-co-glycolic acid) (PLGA) polymeric nanoparticles (NPs) were successfully prepared using electrohydrodynamic atomization (EHDA). The configuration was varied to control the distribution of CDDP within the particles, and high encapsulation efficiency (>70%) of the drug was achieved. NPs were produced with either a core-shell (CS) or a matrix (uniform) structure...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28577306/cetuximab-or-nimotuzumab-plus-intensity-modulated-radiotherapy-versus-cisplatin-plus-intensity-modulated-radiotherapy-for-stage-ii-ivb-nasopharyngeal-carcinoma
#17
Rui You, Rui Sun, Yi-Jun Hua, Chao-Feng Li, Ji-Bin Li, Xiong Zou, Qi Yang, You-Ping Liu, Yi-Nuan Zhang, Tao Yu, Jing-Yu Cao, Meng-Xia Zhang, Rou Jiang, Hao-Yuan Mo, Ling Guo, Ka-Jia Cao, Ai-Hua Lin, Chao-Nan Qian, Ying Sun, Jun Ma, Ming-Yuan Chen
To compare intensity-modulated radiotherapy (IMRT) with cisplatin (CDDP) versus cetuximab (CTX) and nimotuzumab (NTZ) for Stage II-IVb Nasopharyngeal Carcinoma (NPC). A total of 1,837 patients with stage II - IVb NPC who received IMRT plus CTX or NTZ, or CDDP between January 2009 and December 2013 were included in the current analysis. Using propensity scores to adjust for potential prognostic factors, a well-balanced cohort of 715 patients was created by matching each patient who underwent IMRT plus concomitant NTZ/CTX with four patients who underwent IMRT plus concomitant CDDP (1:4)...
June 2, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28573053/humoral-hypercalcemia-of-malignancy-with-a-parathyroid-hormone-related-peptide-secreting-intrahepatic-cholangiocarcinoma-accompanied-by-a-gastric-cancer
#18
Katsushi Takeda, Ryosuke Kimura, Nobuhiro Nishigaki, Shinya Sato, Asami Okamoto, Kumiko Watanabe, Sachie Yasui
Humoral hypercalcemia of malignancy (HHM) is caused by the oversecretion of parathyroid hormone-related peptide (PTHrP) from malignant tumors. Although any tumor may cause HHM, that induced by intrahepatic cholangiocarcinoma (ICC) or gastric cancer (GC) is rare. We report here a 74-year-old male who displayed HHM with both ICC and GC and showed an elevated serum PTHrP level. Treatment of the hypercalcemia with saline, furosemide, elcatonin, and zoledronic acid corrected his serum calcium level and improved symptoms...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28567015/usp22-induces-cisplatin-resistance-in-lung-adenocarcinoma-by-regulating-%C3%AE-h2ax-mediated-dna-damage-repair-and-ku70-bax-mediated-apoptosis
#19
Aman Wang, Zhen Ning, Chang Lu, Wei Gao, Jinxiao Liang, Qiu Yan, Guang Tan, Jiwei Liu
Resistance to platinum-based chemotherapy is one of the most important reasons for treatment failure in advanced non-small cell lung cancer, but the underlying mechanism is extremely complex and unclear. The present study aimed to investigate the correlation of ubiquitin-specific peptidase 22 (USP22) with acquired resistance to cisplatin in lung adenocarcinoma. In this study, we found that overexpression of USP22 could lead to cisplatin resistance in A549 cells. USP22 and its downstream proteins γH2AX and Sirt1 levels are upregulated in the cisplatin- resistant A549/CDDP cell line...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28558277/cytotoxicity-and-genotoxicity-of-anticancer-drug-residues-and-their-mixtures-in-experimental-model-with-zebrafish-liver-cells
#20
Matjaž Novak, Bojana Žegura, Barbara Modic, Ester Heath, Metka Filipič
Anticancer drugs enter aquatic environment predominantly via hospital and municipal wastewater effluents where they may, due to their genotoxic potential, cause adverse environmental effects even at very low doses. In this study we evaluated cytotoxic and genotoxic potential of two widely used anticancer drugs, cyclophosphamide (CP) and ifosfamide (IF) as individual compounds and in a complex mixture together with 5-fluorouracil (5-FU) and cisplatin (CDDP) because these four drugs have been frequently detected in an oncological ward effluents...
May 27, 2017: Science of the Total Environment
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