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International Journal of Cancer. Journal International du Cancer

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https://www.readbyqxmd.com/read/28109008/inhibition-of-group-1-p21-activated-kinases-suppresses-pancreatic-stellate-cell-activation-and-increases-survival-of-mice-with-pancreatic-cancer
#1
Dannel Yeo, Phoebe Phillips, Graham S Baldwin, Hong He, Mehrdad Nikfarjam
Pancreatic cancer remains one of the most lethal of all solid tumours. Pancreatic stellate cells (PSCs) are primarily responsible for the fibrosis that constitutes the stroma and p21-activated kinase 1 (PAK1) may have a role in signalling pathways involving PSCs. This study aimed to examine the role of PAK1 in PSCs and in the interaction of PSCs with pancreatic cancer cells. Human PSCs were isolated using a modified outgrowth method. The effect of inhibiting PAK1 with a group 1 PAK inhibitor, FRAX597, on cell proliferation and apoptosis in vitro was measured by thymidine incorporation and annexin V assays, respectively...
January 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108995/relationships-between-exercise-smoking-habit-and-mortality-in-more-than-100-000-adults
#2
Gary O'Donovan, Mark Hamer, Emmanuel Stamatakis
Exercise is associated with reduced risks of all-cause, cardiovascular disease (CVD), and cancer mortality; however, the benefits in smokers and ex-smokers are unclear. The aim of this study was to investigate associations between exercise, smoking habit and mortality. Self-reported exercise and smoking, and all-cause, CVD, and cancer mortality were assessed in 106,341 adults in the Health Survey for England and the Scottish Health Survey. There were 9149 deaths from all causes, 2839 from CVD, and 2634 from cancer during 999,948 person-years of follow-up...
January 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28109000/implementation-of-the-7th-edition-ajcc-staging-system-effects-on-staging-and-survival-for-pt1-melanoma-a-dutch-population-based-study
#3
C M C Oude Ophuis, M W J Louwman, D J Grünhagen, C Verhoef, A C J van Akkooi
: In the 7(th) edition of the AJCC staging system the mitotic rate criterion replaced Clark level to increase correct classification of high risk thin melanoma patients (pT1B). Additionally, sentinel node biopsy (SNB) was recommended for nodal staging for pT1B melanomas. AIM: to evaluate the effects on pT1 substaging and clinical implications in the national pT1 melanoma population. All pT1 melanomas diagnosed in the Netherlands between 2003-2014 were selected from the Netherlands Cancer Registry (IKNL)...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108997/risk-of-high-grade-precancerous-lesions-and-invasive-cancers-in-high-risk-hpv-positive-women-with-normal-cervix-or-cin-1-at-baseline-a-population-based-cohort-study
#4
Srabani Mittal, Partha Basu, Richard Muwonge, Dipanwita Banerjee, Ishita Ghosh, Mitali Mukherjee Sengupta, Pradip Das, Priatosh Dey, Ranajit Mandal, Chinmay Panda, Jaydip Biswas, Rengaswamy Sankaranarayanan
Infection with High-risk Human Papillomavirus (HR-HPV) is transient and clears on its own in majority of the women. Only a few women who have persistent infection may finally develop Cervical Intraepithelial Neoplasia (CIN) or cervical cancer in later years. The risk of progression in the HR-HPV positive women with normal cervix or low grade lesion on colposcopy and histopathology at baseline is less studied. We performed a longitudinal study on 650 HR-HPV positive women with colposcopy and/or histopathology proved normal or CIN1 diagnosis at baselineto assess the cumulative risk of development of high-grade CIN...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108996/physical-activity-and-risk-of-endometrial-cancer-in-the-norwegian-women-and-cancer-nowac-study
#5
Kristin B Borch, Elisabete Weiderpass, Tonje Braaten, Mie Jareid, Oxana A Gavrilyuk, Idlir Licaj
Few studies have investigated the association between endometrial cancer and physical activity (PA) using repeated measures of PA and different subtypes of endometrial cancer. We aimed to investigate the association between endometrial cancer and PA level at two points in time in women with different body mass index (BMI) profiles, and to calculate the population attributable fraction (PAF) of endometrial cancer for low PA levels. We included 82,759 women with complete information on PA at baseline in the Norwegian Women and Cancer Study; 52,370 had follow-up information on PA...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28108990/geographic-heterogeneity-in-the-prevalence-of-human-papillomavirus-in-head-and-neck-cancer
#6
Devasena Anantharaman, Behnoush Abedi-Ardekani, Daniel C Beachler, Tarik Gheit, Andrew F Olshan, Kathy Wisniewski, Victor Wunsch-Filho, Tatiana N Toporcov, Eloiza H Tajara, José Eduardo Levi, Raquel A Moyses, Stefania Boccia, Gabriella Cadoni, Guido Rindi, Wolfgang Ahrens, Franco Merletti, David I Conway, Sylvia Wright, Christine Carreira, Helene Renard, Priscilia Chopard, Sandrine McKay-Chopin, Ghislaine Scelo, Massimo Tommasino, Paul Brennan, Gypsyamber D'Souza
Human papillomavirus (HPV) causes oropharyngeal squamous cell carcinoma (OPSCC), although strongly divergent results have been reported regarding the prevalence of HPV16 in different countries, whether this represents important differences in etiology remains unclear. Applying rigorous protocols for sample processing, we centrally evaluated 1420 head and neck tumors (533 oropharynx, 395 oral cavity and 482 larynx) from studies conducted in the US, Europe and Brazil for mucosal HPV DNA and p16(INK4a) expression to evaluate regional heterogeneity in the proportion of HPV16-associated OPSCC and other head and neck cancer, and to assess covariates associated with the risk of HPV16-positive OPSCC...
January 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28103650/thyroid-cancer-after-hysterectomy-on-benign-indications-findings-from-an-observational-cohort-study-in-sweden
#7
Henrik Falconer, Li Yin, Rino Bellocco, Daniel Altman
To investigate the association between hysterectomy and thyroid cancer subtypes based on histopathology. We did a nationwide, population-based, cohort study from 1973 to 2009 in Sweden. We identified as our study population all women above 18 years of age during the period between January 1, 1973 and December 31, 2009 from the Register of Population (n= 5.704,202) Individual case ascertainment of primary thyroid cancer subtypes were restricted to 1993-2009 based on histological pathologic-anatomical-diagnosis from the Cancer Register...
January 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28103633/irf4-rs12203592-functional-variant-and-melanoma-survival
#8
Miriam Potrony, Aida Rebollo-Morell, Pol Giménez-Xavier, Lisa Zimmer, Joan Anton Puig-Butille, Gemma Tell-Marti, Antje Sucker, Celia Badenas, Cristina Carrera, Josep Malvehy, Dirk Schadendorf, Susana Puig
Inherited genetic factors may modulate clinical outcome in melanoma. Some low to medium risk genes in melanoma susceptibility play a role in melanoma outcome. Our aim was to assess the role of the functional IRF4 SNP rs12203592 in melanoma prognosis in two independent sets (Barcelona N=493 and Essen N=438). Genotype association analyses showed that the IRF4 rs12203592 T allele increased the risk of dying from melanoma in both sets (Barcelona: Odds Ratio [OR]=6.53, 95%CI 1.38 to 30.87, Adj P=0.032; Essen: OR=1...
January 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28090647/the-multifaceted-role-of-extracellular-vesicles-in-metastasis-priming-the-soil-for-seeding
#9
REVIEW
Brunna Dos Anjos Pultz, Felipe Andrés Cordero da Luz, Sara Socorro Faria, Leandro Peixoto Ferreira de Souza, Paula Cristina Brígido Tavares, Vivian Alonso Goulart, Wagner Fontes, Luiz Ricardo Goulart, Marcelo José Barbosa Silva
Extracellular vesicles (EVs), including exosomes, play a key role in inter and intracellular communication, promoting the proliferation and invasion of recipient cells to support tumor growth and metastasis. Metastasis comprises multiple steps that first include the detachment of tumor cells through epithelial to mesenchymal transition (EMT), allowing the physical dissemination to distant organs. Thereafter, cancer-derived exosomes are still critical components for preparing the tumor microenvironment by (i) enabling tumor cells to escape from the immunological surveillance and (ii) arranging the pre-metastatic site for the engraftment of detached cancer cells...
January 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28076901/nuclear-factor-one-transcription-factors-as-epigenetic-regulators-in-cancer
#10
REVIEW
Mitchell Fane, Lachlan Harris, Aaron G Smith, Michael Piper
Tumour heterogeneity poses a distinct obstacle to therapeutic intervention. While the initiation of tumours across various physiological systems is frequently associated with signature mutations in genes that drive proliferation and bypass senescence, increasing evidence suggests that tumour progression and clonal diversity is driven at an epigenetic level. The tumour microenvironment plays a key role in driving diversity as cells adapt to demands during tumour growth, and is thought to drive certain subpopulations back to a stem cell-like state...
January 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28073170/loss-of-hsef-promotes-metastasis-through-up-regulation-of-emt-in-prostate-cancer
#11
S Hori, K Wadhwa, V Pisupati, V Zecchini, A Ramos-Montoya, A Y Warren, D E Neal, V J Gnanapragasam
We have previously reported that the negative regulator Similar Expression to FGF (hSef) is down-regulated in prostate cancer and its loss is associated with clinical metastasis. Here, we explored the mechanistic basis of this finding. We first confirmed our clinical observation by testing hSef manipulation in an in vivo metastasis model. hSef stable expressing cells (PC3M-hSef) or empty vector controls (PC3M-EV) were injected subcutaneously into the lateral thoracic walls of NOD-SCID gamma mice and lungs were harvested at autopsy...
January 10, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28073150/the-impact-of-overdiagnosis-on-the-selection-of-efficient-lung-cancer-screening-strategies
#12
Summer S Han, Kevin Ten Haaf, William D Hazelton, Vidit N Munshi, Jihyoun Jeon, Saadet A Erdogan, Colden Johanson, Pamela M McMahon, Rafael Meza, Chung Yin Kong, Eric J Feuer, Harry J de Koning, Sylvia K Plevritis
The U.S. Preventive Services Task Force (USPSTF) recently updated their national lung screening guidelines and recommended low-dose computed tomography (LDCT) for lung cancer (LC) screening through age 80. However, the risk of overdiagnosis among older populations is a concern. Using four comparative models from the Cancer Intervention and Surveillance Modeling Network, we evaluate the overdiagnosis of the screening program recommended by USPSTF in the U.S. 1950 birth cohort. We estimate the number of LC deaths averted by screening (D) per overdiagnosed case (O), yielding the ratio D/O, to quantify the trade-off between the harms and benefits of LDCT...
January 10, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28073149/smoking-at-the-time-of-diagnosis-and-mortality-in-cancer-patients-what-benefit-does-the-quitter-gain
#13
Takahiro Tabuchi, Atsushi Goto, Yuri Ito, Keisuke Fukui, Isao Miyashiro, Tomohiro Shinozaki
Few studies have examined the association between smoking behavior (especially quitters) at the time of diagnosis and mortality among cancer patients. Our objective was to examine the benefits of quitting on all-cause mortality among cancer patients. 30,658 eligible cancer patients diagnosed between 1985 and 2009, identified by a hospital-based cancer registry in Japan, were followed up for up to 10 years. We evaluated smoking behavior at cancer diagnosis (especially recent quitters versus current smokers) in association with all-cause mortality using Cox-proportional hazards models and covariates-adjusted survival curves...
January 10, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28063166/cigarette-smoking-is-associated-with-adverse-survival-among-women-with-ovarian-cancer-results-from-a-pooled-analysis-of-19-studies
#14
Camilla Praestegaard, Allan Jensen, Signe M Jensen, Thor S S Nielsen, Penelope M Webb, Christina M Nagle, Anna DeFazio, Estrid Høgdall, Mary Anne Rossing, Jennifer A Doherty, Kristine G Wicklund, Marc T Goodman, Francesmary Modugno, Kirsten Moysich, Roberta B Ness, Robert Edwards, Keitaro Matsuo, Satoyo Hosono, Ellen L Goode, Stacey J Winham, Brooke L Fridley, Daniel W Cramer, Kathryn L Terry, Joellen M Schildkraut, Andrew Berchuck, Elisa V Bandera, Lisa E Paddock, Leon F Massuger, Nicolas Wentzensen, Paul Pharoah, Honglin Song, Alice Whittemore, Valerie McGuire, Weiva Sieh, Joseph Rothstein, Hoda Anton-Culver, Argyrios Ziogas, Usha Menon, Simon A Gayther, Susan J Ramus, Alexandra Gentry-Maharaj, Anna H Wu, Celeste L Pearce, Malcolm Pike, Alice W Lee, Rebecca Sutphen, Jenny Chang-Claude, Harvey A Risch, Susanne K Kjaer
Cigarette smoking is associated with an increased risk of developing mucinous ovarian tumours but whether it is associated with ovarian cancer survival overall or for the different histotypes is unestablished. Furthermore, it is unknown whether the association between cigarette smoking and survival differs according to strata of ovarian cancer stage at diagnosis. In a large pooled analysis, we evaluated the association between various measures of cigarette smoking and survival among women with epithelial ovarian cancer...
January 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28063165/diabetes-plasma-glucose-and-incidence-of-pancreatic-cancer-a-prospective-study-of-0-5-million-chinese-adults-and-a-meta-analysis-of-22-cohort-studies
#15
Yuanjie Pang, Christiana Kartsonaki, Yu Guo, Fiona Bragg, Ling Yang, Zheng Bian, Yiping Chen, Andri Iona, Iona Y Millwood, Jun Lv, Canqing Yu, Junshi Chen, Liming Li, Michael V Holmes, Zhengming Chen
Diabetes is associated with an increased risk of pancreatic cancer (PC) in Western populations. Uncertainty remains, however, about the relevance of plasma glucose for PC among people without diabetes and about the associations of diabetes and high blood glucose with PC in China where the increase in diabetes prevalence has been very recent. The prospective China Kadoorie Biobank (CKB) study recruited 512,000 adults aged 30-79 years from 10 diverse areas of China during 2004-08, recording 595 PC cases during 8 years of follow-up...
January 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28063159/ethnic-differences-in-the-incidence-of-cancer-in-norway
#16
Kirsti V Hjerkind, Samera A Qureshi, Bjørn Møller, Elisabete Weiderpass, Dennis Deapen, Bernadette Kumar, Giske Ursin
Traditionally there have been differences in cancer incidence across geographic regions. When immigrants have moved from low-income to high-income countries, their incidence have changed as they have adapted to the lifestyle in the new host country. Given worldwide changes in lifestyle factors over time, we decided to examine cancer incidence in immigrant groups in Norway, a country with a recent immigration history, complete cancer registration and universal public health care. We linked immigration history for the complete population to information on cancer diagnosis from the Cancer Registry of Norway for the period 1990-2012...
January 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28054353/factors-related-to-pregnancy-and-birth-and-the-risk-of-childhood-brain-tumours-the-estelle-and-escale-studies-sfce-france
#17
Helen D Bailey, Paula Rios, Brigitte Lacour, Lea Guerrini-Rousseau, Anne-Isabelle Bertozzi, Pierre Leblond, Cécile Faure-Conter, Isabelle Pellier, Claire Freycon, Jean Michon, Stéphanie Puget, Stéphane Ducassou, Laurent Orsi, Jacqueline Clavel
Little is known of the causes of childhood brain tumors (CBT). The aims of this study were to investigate whether extremes of birth weight were associated with increased risk of CBT and whether maternal pre-conceptional folic acid supplementation or breastfeeding reduced the risk. In addition, other maternal characteristics and birth related factors were also investigated. We pooled data from two French national population-based case-control studies with similar designs conducted in 2003-2004 and 2010-2011...
January 5, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28052328/type-dependent-association-between-risk-of-cervical-intraepithelial-neoplasia-and-viral-load-of-oncogenic-human-papillomavirus-types-other-than-types-16-and-18
#18
Long Fu Xi, Mark Schiffman, Yang Ke, James P Hughes, Denise A Galloway, Zhonghu He, Ayaka Hulbert, Rachel L Winer, Laura A Koutsky, Nancy B Kiviat
Studies of the clinical relevance of human papillomavirus (HPV) DNA load have focused mainly on HPV16 and HPV18. Data on other oncogenic types are rare. Study subjects were women enrolled in the Atypical Squamous Cells of Undetermined Significance (ASC-US) and Low-Grade Squamous Intraepithelial Lesion (LSIL) Triage Study who had ≥1 of 11 non-HPV16/18 oncogenic types detected during a 2-year follow-up at 6-month intervals. Viral load measurements were performed on the first type-specific HPV-positive specimens...
January 4, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28052327/tissue-disruption-increases-stochastic-gene-expression-thus-producing-tumours-cancer-initiation-without-driver-mutation
#19
REVIEW
Jean-Pascal Capp
Cancer research produced many paradoxical results in recent years. The reductionist approach now shows its limits. Considering the origin of the disease at the tissue level and increased stochastic gene expression (SGE) as a driving force, while admitting a role for genetic alterations in cancer progression, might solve these contradictions. Undifferentiated cells are characterized by open and accessible chromatin generating global and highly SGE (high expression noise) which is a hallmark of pluripotency, while differentiation is associated with progressive chromatin closing and decreased noise...
January 4, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28032715/helicobacter-pylori-infection-chronic-corpus-atrophic-gastritis-and-pancreatic-cancer-risk-in-the-european-prospective-investigation-into-cancer-and-nutrition-epic-cohort-a-nested-case-control-study
#20
Jiaqi Huang, Ulrika Zagai, Göran Hallmans, Olof Nyrén, Lars Engstrand, Rachael Stolzenberg-Solomon, Eric J Duell, Kim Overvad, Verena A Katzke, Rudolf Kaaks, Mazda Jenab, Jin Young Park, Raul Murillo, Antonia Trichopoulou, Pagona Lagiou, Christina Bamia, Kathryn E Bradbury, Elio Riboli, Dagfinn Aune, Konstantinos K Tsilidis, Gabriel Capellá, Antonio Agudo, Vittorio Krogh, Domenico Palli, Salvatore Panico, Elisabete Weiderpass, Anne Tjønneland, Anja Olsen, Begoña Martínez, Daniel Redondo-Sanchez, Maria-Dolores Chirlaque, Petra Hm Peeters, Sara Regnér, Björn Lindkvist, Alessio Naccarati, Eva Ardanaz, Nerea Larrañaga, Marie-Christine Boutron-Ruault, Vinciane Rebours, Amélie Barré, H B As Bueno-de-Mesquita, Weimin Ye
The association between H. pylori infection and pancreatic cancer risk remains controversial. We conducted a nested case-control study with 448 pancreatic cancer cases and their individually matched control subjects, based on the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort, to determine whether there was an altered pancreatic cancer risk associated with H. pylori infection and chronic corpus atrophic gastritis. Conditional logistic regression models were applied to calculate odds ratios (ORs) and corresponding 95% confidence intervals (CIs), adjusted for matching factors and other potential confounders...
December 29, 2016: International Journal of Cancer. Journal International du Cancer
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