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https://www.readbyqxmd.com/read/29353337/a-retrospective-analysis-of-5-fluorouracil-plus-cisplatin-as-first-line-chemotherapy-in-the-recent-treatment-strategy-for-patients-with-metastatic-or-recurrent-esophageal-squamous-cell-carcinoma
#1
Shuji Hiramoto, Ken Kato, Hirokazu Shoji, Natsuko Okita, Atsuo Takashima, Yoshitaka Honma, Satoru Iwasa, Tetsuya Hamaguchi, Yasuhide Yamada, Yasuhiro Shimada, Narikazu Boku
BACKGROUND: Patients with metastatic or recurrent esophageal squamous cell carcinoma (ESCC) have a poor prognosis. For decades, the most widely used first-line chemotherapy regimen for these patients has been the combination of 5-fluorouracil + cisplatin (CF). However, prognostic factors of CF as first-line chemotherapy for ESCC have not been clarified. METHODS: A total of 187 patients with metastatic or recurrent esophageal ESCC treated with CF at the National Cancer Center Hospital between January 2001 and December 2012 were enrolled in the study...
January 20, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29352920/biomass-based-magnetic-fluorescent-nanoparticles-one-step-scalable-synthesis-application-as-drug-carriers-and-mechanism-study
#2
Lei Li, Feijun Wang, Ziqiang Shao
A biomass-based magnetic fluorescent nanoparticle (MFNPs) was successively in situ synthesized via a one-step high-gravity approach, which constructed by a magnetic core of Fe3O4 nanoparticles, the fluorescent marker of carbon dots (CDs), and shells of chitosan (CS). The obtained MFNPs had a 10 nm average diameter and narrow particle size distribution, low cytotoxicity, superior fluorescent emission and superparamagnetic properties. The encapsulating and release 5-fluorouracil experiments confirmed that the introduction of CS/CDs effectively improved the drug loading capacity...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352574/mismatch-repair-status-as-a-beneficial-predictor-of-fluorouracil-based-adjuvant-chemotherapy-for-pancreatic-cancer
#3
Dingkong Liang, Si Shi, Chen Liang, Qingcai Meng, Bo Zhang, Quanxing Ni, Jin Xu, Xianjun Yu
BACKGROUND: Prior studies have indicated that patients with colorectal cancer with deficient mismatch repair have particular clinicopathologic features that distinguish them from patients with tumors with proficient mismatch repair. However, the effect of the mismatch repair status on outcomes after adjuvant chemotherapy for pancreatic cancer is still unknown. METHODS: Pancreatic cancer patients who underwent R0 resection between January 2013 and December 2015 at Fudan University Shanghai Cancer Center were included in this study...
January 15, 2018: Surgery
https://www.readbyqxmd.com/read/29352327/limk-cofilin-pathway-and-slingshot-are-implicated-in-human-colorectal-cancer-progression-and-chemoresistance
#4
Helen Aggelou, Panagiota Chadla, Sofia Nikou, Sofia Karteri, Ioannis Maroulis, Haralabos P Kalofonos, Helen Papadaki, Vasiliki Bravou
Cofilin phospho-regulation is important for actin filament turnover and is implicated in cancer. Phosphorylation of cofilin is mediated by LIM kinases (LIMKs) and dephosphorylation by Slingshot phosphatases (SSH). LIMKs and SSH promote cancer cell invasion and metastasis and represent novel anti-cancer targets. However, little is known regarding LIMK/cofilin and SSH in human colorectal cancer (CRC). In this study, we aimed to address their expression and significance in human CRC. We evaluated expression of non-phosphorylated (active) and phosphorylated cofilin, LIMK1, LIMK2, and SSH1 by immunohistochemistry in 143 human CRC samples in relation to clinicopathologic parameters, response of metastatic disease to chemotherapy, and epithelial-mesenchymal transition (EMT) markers β-catenin, E-cadherin, and ZEB...
January 19, 2018: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29351270/is-mytomicyn-better-than-5-fluorouracil-as-antimetabolite-in-trabeculectomy-for-glaucoma
#5
Eduardo Pimentel, Jimena Schmidt
INTRODUCTION: Trabeculectomy is considered the standard for glaucoma surgery. Postoperative scarring is one the factors associated with surgery failure. Different antimetabolites have been used in order to reduce this risk, particularly 5-fluorouracil and mitomycin C. Although both are considered effective, it is not clear if they are different in terms of success of trabeculectomy and adverse effects. METHODS: To answer this question we used Epistemonikos, the largest database of systematic reviews in health, which is maintained by screening multiple information sources, including MEDLINE, EMBASE, Cochrane, among others...
January 18, 2018: Medwave
https://www.readbyqxmd.com/read/29349603/neoadjuvant-chemoradiation-for-esophageal-cancer-surgery-improves-locoregional-control-while-response-based-on-fdg-pet-ct-predicts-survival
#6
Nina-Sophie Hegemann, Rebecca Koepple, Franziska Walter, David Boeckle, Wolfgang P Fendler, Martin Kurt Angele, Stefan Boeck, Claus Belka, Falk Roeder
INTRODUCTION: To retrospectively analyze the outcome of patients with esophageal cancer treated with neoadjuvant chemoradiation. METHODS: A total of 41 patients received neoadjuvant intent chemoradiation for esophageal cancer. Most patients had a locally advanced disease (T3/4: 82%, N+: 83%, M0: 100%) and squamous cell carcinoma (83%). All patients received concurrent chemotherapy with cisplatin/5-fluorouracil or mitomycin/5-fluorouracil. Median radiation dose was 50...
January 18, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29349520/experimental-study-of-5-fluorouracil-encapsulated-ethosomes-combined-with-co2-fractional-laser-to-treat-hypertrophic-scar
#7
Zhen Zhang, Jun Chen, Jun Huang, Yan Wo, Yixin Zhang, Xiangdong Chen
OBJECTIVE: This study is designed to explore permeability of ethosomes encapsulated with 5-florouracil (5-FU) mediated by CO2 fractional laser on hypertrophic scar tissues. Moreover, therapeutic and duration effect of CO2 fractional laser combined with 5-FU encapsulated ethosomes in rabbit ear hypertrophic scar model will be evaluated. METHODS: The permeated amount of 5-FU and retention contents of 5-FU were both determined by high-performance liquid chromatography (HPLC)...
January 18, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29346784/surgical-treatment-and-chemotherapy-of-adult-primary-liver-sarcoma-experiences-from-a-single-hospital-in-china
#8
Feng Zhou, Han-Zhang Huang, Meng-Tao Zhou, Shao-Liang Han
BACKGROUND: The aim of this study is to improve the preoperative diagnostic accuracy and treatment results by investigating the clinical features and prognosis of primary liver sarcoma (PLS). METHODS: Clinical data, surgical treatments, adjuvant chemotherapy, and prognosis of 17 PLS patients whose diseases were pathologically confirmed were retrospectively analyzed. RESULTS: The main clinical symptoms included epigastric pain in 9 patients, epigastric distention in 7, and loss of appetite in 4; these symptoms were detected during the postoperative follow-up for gastric carcinoma in 1...
January 18, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29345500/effects-of-l-arginine-supplementation-on-leukogram-inflammatory-bowel-infiltrates-and-immunoglobulins-with-5-fu-use-in-rats
#9
Bianca D Balmant, Eloisa O N Araújo, Denise Yabuki, Amanda B Novais, Sandra C Genaro, Cecilia B Laposy, Paulo F I Goiozo, Marcelo G M Chacur, Rogério Giuffrida, Luis S L S Reis
This study evaluated the effects of L-arginine supplementation on blood parameters, kidney and liver function, immunoglobulins and noninflammatory infiltrates in the small intestines of rats subjected to chemotherapy with 5-fluorouracil (5-FU). Thirty-two Wistar rats were randomly distributed into 4 groups (8 rats/group): an untreated control group, and test groups receiving one dose of 5-FU (G5-FU group), one dose of 5-FU and 295 mg L-arginine/day (GArg295 group) or one dose of 5-FU and 458 mg L-arginine/day (GArg458 group)...
January 18, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29345285/the-epitranscriptome-m6a-writer-mettl3-promotes-chemo-and-radioresistance-in-pancreatic-cancer-cells
#10
Kosuke Taketo, Masamitsu Konno, Ayumu Asai, Jun Koseki, Masayasu Toratani, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii, Kazuhiko Ogawa
N6-methyladenosine (m6A) is the most abundant epitranscriptome modification in mammalian mRNA. Recent years have seen substantial progress in m6A epitranscriptomics, indicating its crucial roles in the initiation and progression of cancer through regulation of RNA stabilities, mRNA splicing, microRNA processing and mRNA translation. However, by what means m6A is dynamically regulated or written by enzymatic components represented by methyltransferase-like 3 (METTL3) and how m6A is significant for each of the numerous genes remain unclear...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29345017/effects-of-nutritional-support-on-short-term-clinical-outcomes-and-immune-response-in-unresectable-locally-advanced-oesophageal-squamous-cell-carcinoma
#11
F Chen, J Fang, H Wang, T Song, W Zhu, M Wu, Y Wu
This retrospective study investigated the efficiency of nutritional support in unresectable locally advanced oesophageal squamous cell carcinoma (LAOSCC) patients who received concurrent chemoradiotherapy (CCRT) based on 5-fluorouracil and cisplatin. In the routine care group, 63 patients served as historical controls and received nutrition support in a reactive manner. In addition, 57 patients in the nutritional support group received timely diet counselling, oral nutritional supplements, enteral nutrition and/or parenteral nutrition during CCRT...
January 18, 2018: European Journal of Cancer Care
https://www.readbyqxmd.com/read/29344244/identification-and-validation-of-psat1-as-a-potential-prognostic-factor-for-predicting-clinical-outcomes-in-patients-with-colorectal-carcinoma
#12
Cheng Qian, Yongsheng Xia, Yun Ren, Yan Yin, Anmei Deng
The aim of the present study was to explore the existence of known or candidate drug-target genes that are upregulated in colorectal cancer (CRC) and may serve as novel prognostic factors or therapeutic targets for this type of malignancy. An in silico analysis was conducted using the Oncomine tool to compare the expression levels of a list of drug-target genes between cancerous and normal tissues in 6 independent CRC cohorts retrieved from the Oncomine database. Phosphoserine aminotransferase 1 (PSAT1) was identified as the top-ranked upregulated gene in CRC tumors, and was highly expressed in patients with chemoresistant disease...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344235/metronomic-chemotherapy-remodel-cancer-associated-fibroblasts-to-decrease-chemoresistance-of-gastric-cancer-in-nude-mice
#13
Chao Wang, Wenqi Xi, Jinling Jiang, Jun Ji, Yingyan Yu, Zhenggang Zhu, Jun Zhang
The present study aimed to evaluate whether capecitabine or 5-fluorouracil (5-Fu) chemotherapy with the metronomic pattern may cause significant chemoresistance compared with the traditional pattern, and whether CAFs are involved in drug resistance. SGC-7901 cells were subcutaneously injected into the nude mice, and the mice were divided into five groups: The control group, intraperitoneally injected with normal saline; the 5-Fu conventional dose group [5-Fu maximum tolerated dose (MTD) group], intraperitoneally injected with 50 mg/kg, twice per week for 2 weeks, with an 1-week discontinuation for 6 weeks; the capecitabine conventional dose group (capecitabine MTD group), intragastric 500 mg/kg, twice per week for 2 weeks, with a 1-week discontinuation for 6 weeks; the 5-Fu metronomic group [5-Fu low-dose metronomic (LDM) group], intraperitoneally injected with 15 mg/kg, twice a week for 6 weeks; and the capecitabine metronomic group (capecitabine LDM group), intragastric administration at 200 mg/kg, twice a week for 6 weeks...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344221/livin-serves-as-a-prognostic-marker-for-mid-distal-rectal-cancer-and-a-target-of-mid-distal-rectal-cancer-treatment
#14
Qi-Biao Su, Lai-You Wang, Gui-Ning Wei, Li-Zhen Liao, Jie Zhao, Hong-Jun Liu, Yu-Long Shi, Le-Ping Li, Chen-Sheng Li
Livin is a novel member of the inhibitor of apoptosis protein family, which has been identified to be expressed in various malignancies and is suggested to be associated with poor prognostic significance. However, no data are available concerning the significance of livin in mid-distal rectal cancer. In the present study, livin expression, and its association with clinicopathological characteristics and prognosis was examined in patients with mid-distal rectal cancer. Apoptotic susceptibility, invasion capacity and chemosensitivity of LoVo cells were investigated using small interfering RNA (siRNA)-mediated knockdown of livin...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344124/molecular-biological-characterization-and-drug-sensitivity-of-chidamide-resistant-non-small-cell-lung-cancer-cells
#15
Song'e Luo, Kai Ma, Hongxia Zhu, Shuren Wang, Mei Liu, Weina Zhang, Shufang Liang, Ningzhi Xu
Chidamide, a histone deacetylase (HDAC) inhibitor, has been applied in clinical trials for various types of hematological and solid tumors. Although acquired resistance is common in chemotherapy, the mechanism of resistance to chidamide is poorly characterized. The goal of the present study was to explore, in detail, the mechanism for the induced resistance to chidamide, and investigate a potential cross-resistance to other chemotherapeutic drugs. A549 cells were exposed to gradually increasing chidamide concentrations to establish a chidamide-resistant non-small cell lung cancer cell line (A549-CHI-R)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343747/computational-trans-omics-approach-characterised-methylomic-and-transcriptomic-involvements-and-identified-novel-therapeutic-targets-for-chemoresistance-in-gastrointestinal-cancer-stem-cells
#16
Masamitsu Konno, Hidetoshi Matsui, Jun Koseki, Ayumu Asai, Yoshihiro Kano, Koichi Kawamoto, Naohiro Nishida, Daisuke Sakai, Toshihiro Kudo, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
We investigated the relationship between methylomic [5-methylation on deoxycytosine to form 5-methylcytosine (5mC)] and transcriptomic information in response to chemotherapeutic 5-fluorouracil (5-FU) exposure and cisplatin (CDDP) administration using the ornithine decarboxylase (ODC) degron-positive cancer stem cell model of gastrointestinal tumour. The quantification of 5mC methylation revealed various alterations in the size distribution and intensity of genomic loci for each patient. To summarise these alterations, we transformed all large volume data into a smooth function and treated the area as a representative value of 5mC methylation...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29342859/multinuclear-nmr-measurements-and-dft-calculations-for-capecitabine-tautomeric-form-assignment-in-a-solution
#17
Piotr Cmoch, Piotr Krzeczyński, Andrzej Leś
The molecular structure of capecitabine (a widely applied prodrug of 5-fluorouracil) was studied by multinuclear NMR measurements and DFT quantum mechanical calculations. One or two tautomeric forms in a solution were detected depending on the solvent used. In the organic solvents, a mixture of two forms of capecitabine was observed: carbamate and imine tautomers. In the aqueous solution, only the carbamate form was found. The methylation of capecitabine yields mainly two products in different proportions: N³-methylcapecitabine and N⁷-methylcapecitabine...
January 13, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29341150/effect-of-akt-activation-and-experimental-pharmacological-inhibition-on-responses-to-neoadjuvant-chemoradiotherapy-in-rectal-cancer
#18
F C Koyama, C M Lopes Ramos, F Ledesma, V A F Alves, J M Fernandes, B B Vailati, G P São Julião, A Habr-Gama, J Gama-Rodrigues, R O Perez, A A Camargo
BACKGROUND: Neoadjuvant chemoradiotherapy (CRT) is one of the preferred initial treatment strategies for locally advanced rectal cancer. Responses are variable, and most patients still require surgery. The aim of this study was to identify molecular mechanisms determining poor response to CRT. METHODS: Global gene expression and pathway enrichment were assessed in pretreatment biopsies from patients with non-metastatic cT2-4 N0-2 rectal cancer within 7 cm of the anal verge...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29340219/a-novel-hybrid-promoter-are-htert-for-cancer-gene-therapy
#19
S V Kalinichenko, M V Shepelev, P N Vikhreva, I V Korobko
describe a novel hybrid tumor-specific promoter, ARE-hTERT, composed of the human TERT gene promoter (hTERT) and the antioxidant response element (ARE) from the human GCLM gene promoter. The hybrid promoter retains the tumor specificity of the basal hTERT promoter but is characterized by an enhanced transcriptional activity in cancer cells with abnormal activation of the Nrf2 transcription factor and upon induction of oxidative stress. In the in vitro enzyme-prodrug cancer gene therapy scheme, ARE-hTERT promoter-driven expression of CD : UPRT (yeast cytosine deaminase : uracil phosphoribosyltransferase) chimeric protein induced a more pronounced death of cancer cells either upon treatment with 5-fluorouracil (5FC) alone or when 5FC was combined with chemotherapeutic drugs as compared to the hTERT promoter...
October 2017: Acta Naturae
https://www.readbyqxmd.com/read/29340092/first-line-dose-dense-chemotherapy-with-docetaxel-cisplatin-folinic-acid-and-5-fluorouracil-dcf-plus-panitumumab-in-patients-with-locally-advanced-or-metastatic-cancer-of-the-stomach-or-gastroesophageal-junction-final-results-and-biomarker-analysis-from-an
#20
Gianluca Tomasello, Nicola Valeri, Michele Ghidini, Elizabeth C Smyth, Wanda Liguigli, Laura Toppo, Rodolfo Mattioli, Alessandra Curti, Jens C Hahne, Federica M Negri, Stefano Panni, Margherita Ratti, Silvia Lazzarelli, Fabiana Gerevini, Chiara Colombi, Andrea Panni, Massimo Rovatti, Leonardo Treccani, Mario Martinotti, Rodolfo Passalacqua
Background: Survival for patients with advanced gastroesophageal cancer (AGC) using standard treatment regimens is poor. EGFR overexpression is common in AGC and associated with poor prognosis. We hypothesized that increasing the dose intensity of chemotherapy and adding panitumumab could improve efficacy. Methods: HER2 negative, PS 0-1 patients, received up to 4 cycles of panitumumab 6 mg/kg d 1, docetaxel 60 mg/m2 d 1, cisplatin 50 mg/m2 d 1, l-folinic acid 100 mg/m2 d 1-2, followed by 5-FU 400 mg/m2 bolus d 1-2, and then 600 mg/m2 as a 22 h c...
December 19, 2017: Oncotarget
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