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International Journal of Cancer. Journal International du Cancer

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https://www.readbyqxmd.com/read/28929494/crhr2-ucn2-signaling-is-a-novel-regulator-of-mir-7-yy1-fas-circuitry-contributing-to-reversal-of-colorectal-cancer-cell-resistance-to-fas-mediated-apoptosis
#1
Charalabos Pothoulakis, Monica Torre-Rojas, Marco A Duran-Padilla, Jonathan Gevorkian, Odysseas Zoras, Emmanuel Chrysos, George Chalkiadakis, Stavroula Baritaki
Colorectal cancer (CRC) responds poorly to immuno-mediated cytotoxicity. Underexpression of Corticotropin-releasing-hormone-receptor-2 (CRHR2) in CRC, promotes tumor survival, growth and Epithelial to Mesenchymal Transition (EMT), in vitro and in vivo. We explored the role of CRHR2 downregulation in CRC cell resistance to Fas/FasL-mediated apoptosis and the underlying molecular mechanism. CRC cell sensitivity to CH11-induced apoptosis was compared between Urocortin-2 (Ucn2)-stimulated parental and CRHR2-overexpressing CRC cell lines and targets of CRHR2/Ucn2 signaling were identified through in vitro and ex vivo analyses...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929492/potent-antitumor-effect-of-tumor-microenvironment-targeted-oncolytic-adenovirus-against-desmoplastic-pancreatic-cancer
#2
Yan Li, JinWoo Hong, Joung-Eun Oh, A-Rum Yoon, Chae-Ok Yun
Pancreatic cancer is a leading cause of cancer-related death. Desmoplastic pancreatic tumors exhibit excessive extracellular matrix (ECM) and are thus highly resistant to anticancer therapeutics, since the ECM restricts drug penetration and dispersion. Here, we designed and generated two hypoxia-responsive and cancer-specific hybrid promoters, H(mT)E and H(E)mT. Transgene expression driven by each hybrid promoter was markedly higher under hypoxic conditions than normoxic conditions. Moreover, H(E)mT-driven transgene expression was highly cancer-specific and was superior to that of H(mT)E-driven expression...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929491/capecitabine-based-treatment-of-a-patient-with-a-novel-dpyd-genotype-and-complete-dihydropyrimidine-dehydrogenase-deficiency
#3
Linda M Henricks, Ester J Siemerink, Hilde Rosing, Judith Meijer, Susan M Goorden, Abeltje M Polstra, Lida Zoetekouw, Annemieke Cats, Jan H Schellens, André B van Kuilenburg
Fluoropyrimidines are frequently used anti-cancer drugs. It is known that patients with reduced activity of dihydropyrimidine dehydrogenase (DPD), the key metabolic enzyme in fluoropyrimidine inactivation, are at increased risk of developing severe fluoropyrimidine-related toxicity. Upfront screening for DPD deficiency and dose reduction in patients with partial DPD deficiency is recommended and improves patient safety. For patients with complete DPD deficiency, fluoropyrimidine-treatment has generally been discouraged...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929490/histological-subtypes-of-ovarian-cancer-associated-with-parity-and-breastfeeding-in-the-prospective-million-women-study
#4
Kezia Gaitskell, Jane Green, Kirstin Pirie, Isobel Barnes, Carol Hermon, Gillian K Reeves, Valerie Beral
Ovarian cancer risk is known to be reduced amongst women who have had children, but reported associations with breastfeeding are varied. Few studies have had sufficient power to explore reliably these associations by tumour histotype. In a prospective study of 1.1 million UK women, 8719 developed ovarian cancer during follow-up. Cox regression yielded adjusted relative risks (RRs) overall and by tumour histotype amongst women with different childbearing patterns. Nulliparous women had a 24% greater ovarian cancer risk than women with one child, with significant heterogeneity by histotype (p=0...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929489/association-between-long-term-low-intensity-cigarette-smoking-and-incidence-of-smoking-related-cancer-in-the-national-institutes-of-health-aarp-cohort
#5
Maki Inoue-Choi, Patricia Hartge, Linda M Liao, Neil Caporaso, Neal D Freedman
An increasing proportion of US smokers smoke ≤10 cigarettes per day (CPD) or do not smoke every day, yet the health effects of low-intensity smoking are poorly understood. We identified lifelong smokers of <1 or 1-10 CPD and evaluated risk of incident cancer among 238,525 cancer-free adults, aged 59-82, in the NIH-AARP Diet and Health Study. A questionnaire administered in 2004-2005 assessed CPD during nine age-periods (<15 to ≥70). We estimated hazard ratios (HR) and 95% confidence intervals (CI) using multivariable-adjusted Cox proportional hazards regression with age as the underlying time metric...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929486/migraine-and-invasive-epithelial-ovarian-cancer-risk-in-the-nurses-health-study-ii-and-the-women-s-health-study
#6
Megan S Rice, Pamela M Rist, Anke C Winter, Tobias Kurth, Shelley S Tworoger
Migraine is a common primary headache disorder, which predominantly impacts women. Recently, migraine has been hypothesized to be associated with hormonally related cancers; however the potential association between migraine and ovarian cancer has not been studied. Therefore, we evaluated the association between migraine and invasive epithelial ovarian cancer risk in two prospective cohorts, the Nurses' Health Study II (NHSII) and the Women's Health Study (WHS). Our prospective analysis included 113,124 NHSII participants aged 25-42 at study baseline as well as 33,490 participants in the WHS who were 45 years or older at study entry...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929484/post-marketing-research-and-its-outcome-for-novel-anticancer-agents-approved-by-both-the-fda-and-ema-between-2005-and-2010-a-cross-sectional-study
#7
Jean-David Zeitoun, Gabriel Baron, Alexandre Vivot, Ignacio Atal, Nicholas S Downing, Joseph S Ross, Philippe Ravaud
Post-marketing research in oncology has rarely been described. We aimed to characterize post-marketing trials for a consistent set of anticancer agents over a long period. We performed a cross-sectional analysis of post-marketing trials registered at ClinicalTrials.gov through September 2014 for novel anticancer agents approved by both the US Food and Drug Administration and the European Medicines Agency between 2005 and 2010. All relevant post-marketing trials were classified according to indication, primary outcome, starting date, sponsors, and planned enrollment...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921520/anti-m%C3%A3-llerian-hormone-and-risk-of-ovarian-cancer-in-nine-cohorts
#8
Seungyoun Jung, Naomi Allen, Alan A Arslan, Laura Baglietto, Aurelio Barricarte, Louise A Brinton, Brian L Egleston, Roni T Falk, Renée T Fortner, Kathy J Helzlsouer, Yutang Gao, Annika Idahl, Rudolph Kaaks, Vittorio Krogh, Melissa A Merritt, Eva Lundin, N Charlotte Onland-Moret, Sabina Rinaldi, Helena Schock, Xiao-Ou Shu, Patrick M Sluss, Paul N Staats, Carlotta Sacerdote, Ruth C Travis, Anne Tjønneland, Antonia Trichopoulou, Shelley S Tworoger, Kala Visvanathan, Elisabete Weiderpass, Anne Zeleniuch-Jacquotte, Joanne F Dorgan
Animal and experimental data suggest that anti-Müllerian hormone (AMH) serves as a marker of ovarian reserve and inhibits the growth of ovarian tumors. However, few epidemiologic studies have examined the association between AMH and ovarian cancer risk. We conducted a nested case-control study of 302 ovarian cancer cases and 336 matched controls from nine cohorts. Prediagnostic blood samples of premenopausal women were assayed for AMH using a picoAMH enzyme-linked immunosorbent assay. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using multivariable-adjusted conditional logistic regression...
September 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921505/nfatc1-activation-by-dna-hypomethylation-in-chronic-lymphocytic-leukemia-correlates-with-clinical-staging-and-can-be-inhibited-by-ibrutinib
#9
Christine Wolf, Angela Garding, Katharina Filarsky, Jasmin Bahlo, Sandra Robrecht, Natalia Becker, Manuela Zucknick, Arefeh Rouhi, Anja Weigel, Rainer Claus, Dieter Weichenhan, Barbara Eichhorst, Kirsten Fischer, Michael Hallek, Florian Kuchenbauer, Christoph Plass, Hartmut Döhner, Stephan Stilgenbauer, Peter Lichter, Daniel Mertens
B cell receptor (BCR) signaling is key for survival of chronic lymphocytic leukemia (CLL) cells, and BCR signaling inhibitors are clinically active. However, relapse and resistance to treatment require novel treatment options. In order to detect novel candidate therapeutic targets, we performed a genome-wide DNA methylation screen with custom arrays and identified aberrant promoter DNA methylation in 2192 genes. The transcription factor NFATC1 that is a downstream effector of BCR signaling was among the top hypomethylated genes and was concomitantly transcriptionally upregulated in CLL...
September 18, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921929/tumor-suppressive-mir-145-co-repressed-by-tcf4-%C3%AE-catenin-and-prc2-complexes-forms-double-negative-regulation-loops-with-its-negative-regulators-in-colorectal-cancer
#10
Wei Wang, Xin Xiao, Xu Chen, Yi Huo, Wen-Jin Xi, Zhi-Feng Lin, Dan Zhang, Yu-Fang Li, Fan Yang, Wei-Hong Wen, An-Gang Yang, Tao Wang
The frequently dysregulated Wnt/β-catenin signaling in different malignancies, by activation of its own or orchestration with other co-factors, regulates various oncogenic or tumor-suppressive genes. Among these genes, miRNAs, which are negative posttranscriptional regulators, are also embedded in the Wnt signaling network. Different from the Wnt-induced oncogenic miRNAs, the specific mechanism underlying the Wnt-repressed tumor-suppressive miRNAs is much less understood. In the present study, firstly by analyzing a ChIP-seq dataset against TCF4, the core transcription factor for initiation of Wnt signaling in colorectal cancer (CRC) cells, we screened out several tumor-suppressive miRNAs potentially regulated by Wnt signaling...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921583/associations-of-alcohol-intake-smoking-physical-activity-and-obesity-with-survival-following-colorectal-cancer-diagnosis-by-stage-anatomic-site-and-tumor-molecular-subtype
#11
Harindra Jayasekara, Dallas R English, Andrew Haydon, Allison M Hodge, Brigid M Lynch, Christophe Rosty, Elizabeth J Williamson, Mark Clendenning, Melissa C Southey, Mark A Jenkins, Robin Room, John L Hopper, Roger L Milne, Daniel D Buchanan, Graham G Giles, Robert J MacInnis
The influence of lifestyle factors on survival following a diagnosis of colorectal cancer (CRC) is not well established. We examined associations between lifestyle factors measured before diagnosis and CRC survival. The Melbourne Collaborative Cohort Study collected data on alcohol intake, cigarette smoking and physical activity, and body measurements at baseline (1990-94) and wave 2 (2003-07). We included participants diagnosed to 31 August 2015 with incident stage I-III CRC within 10-years post exposure assessment...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921581/mir-122-promotes-metastasis-of-clear-cell-renal-cell-carcinoma-by-downregulating-dicer
#12
Yang Fan, Xin Ma, Hongzhao Li, Yu Gao, Qingbo Huang, Yu Zhang, Xu Bao, Qingshan Du, Guoxiong Luo, Kan Liu, Qingyu Meng, Chaofei Zhao, Xu Zhang
Although overall downregulation of microRNAs (miRNAs) is a general feature of clear-cell renal cell carcinoma (ccRCC), several miRNAs are consistently upregulated, among which miR-122 was markedly increased in ccRCC tissues. This study aims to determine the functional importance and underlying mechanism of miR-122 in ccRCC metastasis. Here we demonstrate that the expression of miR-122 increased in ccRCC tissues, and higher miR-122 expression was found in ccRCC tissues with metastatic disease than in those without metastasis...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921575/ingested-nitrate-and-nitrite-disinfection-by-products-and-pancreatic-cancer-risk-in-postmenopausal-women
#13
Arbor J L Quist, Maki Inoue-Choi, Peter J Weyer, Kristin E Anderson, Kenneth P Cantor, Stuart Krasner, Laura E Beane Freeman, Mary H Ward, Rena R Jones
Nitrate and nitrite are precursors of N-nitroso compounds (NOC), probable human carcinogens that cause pancreatic tumors in animals. Disinfection by-products (DBP) exposures have also been linked with digestive system cancers, but few studies have evaluated relationships with pancreatic cancer. We investigated the association of pancreatic cancer with these drinking water contaminants and dietary nitrate/nitrite in a cohort of postmenopausal women in Iowa (1986-2011). We used historical monitoring and treatment data to estimate levels of long-term average nitrate and total trihalomethanes (TTHM; the sum of the most prevalent DBP class) and the duration exceeding one-half the maximum contaminant level (>½ MCL; nitrate-nitrogen 5mg/L, 40µg/L TTHM) among participants on public water supplies (PWS) >10 years...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921573/contralateral-breast-cancers-independent-cancers-or-metastases
#14
Colin B Begg, Irina Ostrovnaya, Felipe C Geyer, Anastasios D Papanastasiou, Charlotte Ky Ng, Rita Sakr, Jonine L Bernstein, Kathleen A Burke, Tari A King, Salvatore Piscuoglio, Audrey Mauguen, Irene Orlow, Britta Weigelt, Venkatraman E Seshan, Monica Morrow, Jorge S Reis-Filho
A cancer in the contralateral breast in a woman with a previous or synchronous breast cancer is typically considered to be an independent primary tumor. Emerging evidence suggests that in a small subset of these cases the second tumor represents a metastasis. We sought to investigate the issue using massively parallel sequencing targeting 254 genes recurrently mutated in breast cancer. We examined the tumor archives at Memorial Sloan Kettering Cancer Center for the period 1995-2006 to identify cases of contralateral breast cancer where surgery for both tumors was performed at the Center...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921565/the-impact-of-p-glycoprotein-and-breast-cancer-resistance-protein-on-the-brain-pharmacokinetics-and-pharmacodynamics-of-a-panel-of-mek-inhibitors
#15
Mark C de Gooijer, Ping Zhang, Ruud Weijer, Levi C M Buil, Jos H Beijnen, Olaf van Tellingen
Mitogen/extracellular signal-regulated kinase (MEK) inhibitors have been tested in clinical trials for treatment of intracranial neoplasms, including glioblastoma (GBM), but efficacy of these drugs has not yet been demonstrated. The blood-brain barrier (BBB) is a major impediment to adequate delivery of drugs into the brain and may thereby also limit the successful implementation of MEK inhibitors against intracranial malignancies. The BBB is equipped with a range of ATP-dependent efflux transport proteins, of which P-gp (ABCB1) and BCRP (ABCG2) are the two most dominant for drug efflux from the brain...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921546/neuroblastoma-cells-undergo-transcriptomic-alterations-upon-dissemination-into-the-bone-marrow-and-subsequent-tumor-progression
#16
Fikret Rifatbegovic, Christian Frech, M Reza Abbasi, Sabine Taschner-Mandl, Tamara Weiss, Wolfgang M Schmidt, Iris Schmidt, Ruth Ladenstein, Inge M Ambros, Peter F Ambros
Neuroblastoma is the most common extracranial solid tumor in childhood. The vast majority of metastatic (M) stage patients present with disseminated tumor cells (DTCs) in the bone marrow (BM) at diagnosis and relapse. Although these cells represent a major obstacle in the treatment of neuroblastoma patients, insights into their expression profile remained elusive. The present RNA-Seq study of stage 4/M primary tumors, enriched BM-derived diagnostic and relapse DTCs, as well as the corresponding BM-derived mononuclear cells (MNCs) from 53 patients revealed 322 differentially expressed genes in DTCs as compared to the tumors (q < 0...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921531/a-naive-bayes-algorithm-for-tissue-origin-diagnosis-tod-bayes-of-synchronous-multifocal-tumors-in-the-hepatobiliary-and-pancreatic-system
#17
Weiqin Jiang, Yifei Shen, Yongfeng Ding, Chuyu Ye, Yi Zheng, Peng Zhao, Lulu Liu, Zhou Tong, Linfu Zhou, Shuo Sun, Xingchen Zhang, Lisong Teng, Michael P Timko, Longjiang Fan, Weijia Fang
Synchronous multifocal tumors are common in the hepatobiliary and pancreatic system but because of similarities in their histological features, oncologists have difficulty in identifying their precise tissue clonal origin through routine histopathological methods. To address this problem and assist in more precise diagnosis, we developed a computational approach for tissue origin diagnosis based on naive Bayes algorithm (TOD-Bayes) using ubiquitous RNA-Seq data. Massive tissue-specific RNA-Seq data sets were first obtained from The Cancer Genome Atlas (TCGA) and ∼1,000 feature genes were used to train and validate the TOD-Bayes algorithm...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921512/dacomitinib-induced-diarrhea-targeting-chloride-secretion-with-crofelemer
#18
Ysabella Z A Van Sebille, Rachel J Gibson, Hannah R Wardill, Imogen A Ball, Dorothy M K Keefe, Joanne M Bowen
Dacomitinib, an irreversible small-molecule pan-ErbB TKI, has a high incidence of diarrhea which has been suggested to be due to chloride secretory mechanisms. Based on this hypothesis, crofelemer, an anti-secretory agent may be an effective intervention. T84 monolayers were treated with 1µM dacomitinib and 10µM crofelemer, and mounted into Ussing chambers for electrogenic ion analysis. Crofelemer attenuated increases in chloride secretion in cells treated with dacomitinib. Albino Wistar rats (n=48) were treated with 7...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28913916/red-and-processed-meat-intake-and-cancer-risk-results-from-the-prospective-nutrinet-sant%C3%A3-cohort-study
#19
Abou Diallo, Mélanie Deschasaux, Paule Latino-Martel, Serge Hercberg, Pilar Galan, Philippine Fassier, Benjamin Allès, Françoise Guéraud, Fabrice H Pierre, Mathilde Touvier
The International Agency for Research on Cancer (WHO-IARC) classified red meat and processed meat as probably carcinogenic and carcinogenic for humans, respectively. These conclusions were mainly based on studies concerning colorectal cancer, but scientific evidence is still limited for other cancer locations. In this study, we investigated the prospective associations between red and processed meat intakes and overall, breast, and prostate cancer risk. This prospective study included 61,476 men and women of the French NutriNet-Santé cohort (2009-2015) aged ≥35y and who completed at least 3 24h dietary records during the first year of follow-up...
September 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28913878/do-pancreatic-cancer-and-chronic-pancreatitis-share-the-same-genetic-risk-factors-a-pancreatic-disease-research-pandora-consortium-investigation
#20
Daniele Campa, Manuela Pastore, Gabriele Capurso, Thilo Hackert, Milena Di Leo, Jakob R Izbicki, Kay-Tee Khaw, Domenica Gioffreda, Juozas Kupcinskas, Claudio Pasquali, Peter Macinga, Rudolf Kaaks, Serena Stigliano, Petra H Peeters, Timothy J Key, Renata Talar-Wojnarowska, Pavel Vodicka, Roberto Valente, Yogesh K Vashist, Roberto Salvia, Ioannis Papaconstantinou, Yasuhiro Shimizu, Chiara Valsuani, Carlo Federico Zambon, Maria Gazouli, Irena Valantiene, Willem Niesen, Beatrice Mohelnikova-Duchonova, Kazuo Hara, Pavel Soucek, Ewa Malecka-Panas, H Bas Bueno-De-Mesquita, Theron Johnson, Herman Brenner, Francesca Tavano, Paola Fogar, Hidemi Ito, Cosimo Sperti, Katja Butterbach, Anna Latiano, Angelo Andriulli, Giulia Martina Cavestro, Olivier R C Busch, Frederike Dijk, William Greenhalf, Keitaro Matsuo, Carlo Lombardo, Oliver Strobel, Anna-Katharina König, Katarina Cuk, Hendrik Strothmann, Verena Katzke, Maurizio Cantore, Andrea Mambrini, Martin Oliverius, Raffaele Pezzilli, Stefano Landi, Federico Canzian
Pancreatic ductal adenocarcinoma (PDAC) is a very aggressive tumor with a five-year survival of less than 6%. Chronic pancreatitis (CP), an inflammatory process in of the pancreas, is a strong risk factor for PDAC. Several genetic polymorphisms have been discovered as susceptibility loci for both CP and PDAC. Since CP and PDAC share consistent number of epidemiologic risk factors, the aim of this study was to investigate whether specific CP risk loci also contribute to PDAC susceptibility. We selected five common SNPs (rs11988997, rs379742, rs10273639 rs2995271 and rs12688220) that were identified as susceptibility markers for CP and analyzed them in 2,914 PDAC cases, 356 CP cases and 5,596 controls retrospectively collected in the context of the international PANDoRA consortium...
September 15, 2017: International Journal of Cancer. Journal International du Cancer
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