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Cancer Epidemiology, Biomarkers & Prevention

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https://www.readbyqxmd.com/read/28235830/telomere-length-is-predictive-of-breast-cancer-risk-in-brca2-mutation-carriers
#1
Birna Thorvaldsdottir, Margret Aradottir, Olafur A Stefansson, Sigridur K Bodvarsdottir, Jorunn E Eyfjörd
BACKGROUND: Germline BRCA2 mutations increase risk of breast cancer and other malignancies. BRCA2 has been shown to play a role in telomere protection and maintenance. Telomere length (TL) has been studied as a modifying factor for various diseases, including breast cancer. Previous research on TL in BRCA mutation carriers has produced contradicting results. METHODS: We measured blood TL, using a high-throughput monochrome multiplex qPCR method, in a well-defined Icelandic cohort of female BRCA2 mutation carriers (n=169), sporadic breast cancer patients (n=561) and healthy controls (n=537)...
February 24, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223434/spatial-analysis-of-regional-factors-and-lung-cancer-mortality-in-china-1973-2013
#2
Xiaoping Shen, Limin Wang, Li Zhu
BACKGROUND: China's lung cancer crude death rate has increased 6.9-fold from 1973 to 2014. During this time, the country experienced extremely rapid economic growth and social change. It is important to understand the effects of risk factors on Lung Cancer Mortality (LCM) for better allocation of limited resources of cancer prevention and control in China. METHODS: Using three nationwide mortality surveys from 1973 to 2005, Global Health Data Exchange data in 2013, three nationwide smoking surveys from 1984 to 2013, four population censuses from 1964 to 2000, and other datasets, we have compiled datasets and developed spatial random effect models to assess the association of various area level contributing factors on LCM...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223433/global-cancer-in-women-burden-and-trends
#3
Lindsey A Torre, Farhad Islami, Rebecca L Siegel, Elizabeth M Ward, Ahmedin Jemal
There are striking disparities in the global cancer burden in women, yet few publications highlight cancer occurrence in this population, particularly for cancers that are not sex-specific. This paper, the first in a series of two, summarizes the current burden, trends, risk factors, prevention, early detection, and survivorship of all cancers combined and seven sites (breast, cervix, uterine corpus, ovary, colorectum, lung, and liver) that account for about 60% of the cancer burden among women worldwide, using data from the International Agency for Research on Cancer...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223432/performance-and-diagnostic-accuracy-of-a-urine-based-human-papillomavirus-assay-in-a-referral-population
#4
Jack M Cuzick, Louise Cadman, Amar Sabri Ahmad, Linda Ho, George Terry, Michelle Kleeman, Deirdre Lyons, Janet Austin, Mark H Stoler, Cecile Rose T Vibat, Janel Dockter, David Robbins, Paul R Billings, Mark G Erlander
: Background HPV testing from clinician-collected cervical and self-collected cervico-vaginal samples is more sensitive for detecting CIN2+/CIN3+ than cytology-based screening, stimulating interest in HPV testing from urine. The objective was to determine the performance of the Trovagene HPV test for the detection of CIN2+ from urine and PreservCyt cervical samples. Methods Women referred for colposcopy at St Mary's Hospital London, following abnormal cytology, were recruited to this diagnostic accuracy study by convenience sampling (September 2011 and April 2013)...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223431/changes-in-the-glycosylation-of-kininogen-and-the-development-of-a-kininogen-based-algorithm-for-the-early-detection-of-hcc
#5
Mengjun Wang, Miloslav Sanda, Mary Ann Comunale, Harmin Herrera, Charles Swindell, Yuko Kono, Amit G Singal, Jorge A Marrero, Timothy Block, Radoslav Goldman, Anand Mehta
BACKGROUND: Hepatocellular carcinoma (HCC) has the greatest increase in mortality among all solids tumors in the United States related to low rates of early tumor detection. Development of non-invasive biomarkers for early detection of HCC may reduce HCC-related mortality. METHODS: We have developed an algorithm that combines routinely observed clinical values into a single equation that in a study of > 3,000 patients from 5 independent sites, improved detection of HCC as compared to the currently used biomarker, alpha-feto-protein (AFP), by 4-20%...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223430/young-adult-and-usual-adult-body-mass-index-and-multiple-myeloma-risk-a-pooled-analysis-in-the-international-multiple-myeloma-consortium-immc
#6
Brenda M Birmann, Gabriella Andreotti, Anneclaire J De Roos, Nicola J Camp, Brian C H Chiu, John J Spinelli, Nikolaus Becker, Veronique Benhaim-Luzon, Parveen Bhatti, Paolo Boffetta, Paul Brennan, Elizabeth E Brown, Pierluigi Cocco, Laura Costas, Wendy Cozen, Silvia de Sanjosé, Lenka Foretová, Graham G Giles, Marc Maynadié, Kirsten B Moysich, Alexandra Nieters, Anthony Staines, Guido Tricot, Dennis Weisenburger, Yawei Zhang, Dalsu Baris, Mark P Purdue
BACKGROUND: Multiple myeloma (MM) risk increases with higher adult body mass index (BMI). Emerging evidence also supports an association of young adult BMI with MM. We undertook a pooled analysis of eight case-control studies to further evaluate anthropometric MM risk factors, including young adult BMI. METHODS: We conducted multivariable logistic regression analysis of usual adult anthropometric measures of 2,318 MM cases and 9,609 controls, and of young adult BMI (age 25 or 30 years) for 1,164 cases and 3,629 controls...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28223429/cancer-mortality-in-hispanic-ethnic-groups
#7
Paulo S Pinheiro, Karen E Callahan, Rebecca L Siegel, Hongbin Jin, Cyllene R Morris, Edward J Trapido, Scarlett Lin Gomez
Background: Cancer is the leading cause of death among Hispanics. The burden of cancer mortality within Hispanic groups has not been well quantified.Methods: Cancer mortality rates for 2008-2012 in Florida were computed on the basis of race, ethnicity, and birthplace, specifically focusing on major Hispanic groups-Mexicans, Puerto Ricans, Cubans, Central Americans, South Americans, and Dominicans. Age-adjusted mortality rate ratios derived from negative binomial regression were used to compare Hispanics, aggregated and by group, to nonHispanic whites (NHW)...
February 21, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28209595/prediagnosis-leukocyte-telomere-length-and-risk-of-ovarian-cancer
#8
Meng Yang, Jennifer Prescott, Elizabeth M Poole, Megan S Rice, Laura D Kubzansky, Annika Idahl, Eva Lundin, Immaculata De Vivo, Shelley S Tworoger
Background: The associations between telomere length and cancer risk are equivocal, and none have examined the association between prediagnosis leukocyte telomere length (LTL) and the risk of developing ovarian cancer.Methods: We prospectively measured LTL collected from 442 ovarian cancer cases and 727 controls in the Nurses' Health Studies and the Northern Sweden Health and Disease Study. Cases were matched to one or two controls on age, menopausal status, and date of blood collection. Odds ratios (OR) and 95% confidence intervals (CI) were estimated using conditional logistic regression...
February 16, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28209594/adolescents-and-young-adults-with-acute-lymphoblastic-leukemia-and-acute-myeloid-leukemia-impact-of-care-at-specialized-cancer-centers-on-survival-outcome
#9
Julie Wolfson, Can-Lan Sun, Laura Wyatt, Wendy Stock, Smita Bhatia
Background: Adolescents and young adults (AYA; 15-39 years) with acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) experience inferior survival when compared with children. Impact of care at NCI-designated Comprehensive Cancer Centers (CCC) or Children's Oncology Group sites (COG) on survival disparities remains unstudied.Methods: Using the Los Angeles cancer registry, we identified 1,870 ALL or AML patients between 1 and 39 years at diagnosis. Cox regression analyses assessed risk of mortality; younger age + CCC/COG served as the referent group...
February 16, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28196849/a-population-based-study-of-sociodemographic-and-geographic-variation-in-hpv-vaccination
#10
Lila J Finney Rutten, Patrick M Wilson, Debra J Jacobson, Amenah A Agunwamba, Carmen Radecki Breitkopf, Robert M Jacobson, Jennifer L St Sauver
BACKGROUND: HPV vaccination rates in the U.S. remain low and lag behind other recommended adolescent vaccines. Studies evaluating the association of geographic and area-level characteristics with HPV vaccination rates provide a valuable resource for public health planning. METHOD: We used the Rochester Epidemiology Project data linkage system to ascertain HPV vaccination rates between 2010 and 2015 in a 7-county region of southern MN. Geocoded individual patient data was spatially linked to socioeconomic data from the American Community Survey at the census block group level...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28196848/gps-based-exposure-to-greenness-and-walkability-and-accelerometry-based-physical-activity
#11
Peter James, Jaime E Hart, J Aaron Hipp, Jonathan Mitchell, Jacqueline Kerr, Philip M Hurvitz, Karen Glanz, Francine Laden
BACKGROUND: Physical inactivity is a risk factor for cancer that may be influenced by environmental factors. Indeed, dense and well-connected built environments and environments with natural vegetation may create opportunities for higher routine physical activity. However, studies have focused primarily on residential environments to define exposure and self-reported methods to estimate physical activity. The current study explores the momentary association between minute-level global positioning systems (GPS)-based greenness exposure and time-matched objectively measured physical activity...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28196847/housing-discrimination-residential-racial-segregation-and-colorectal-cancer-survival-in-southeastern-wisconsin
#12
Yuhong Zhou, Amin Bemanian, Kirsten M M Beyer
BACKGROUND: Residential racial segregation is still neglected in contemporary examinations of racial health disparities, including studies of cancer. Even fewer studies examine the processes by which segregation occurs, such as through housing discrimination. This study aims to examine relationships among housing discrimination, segregation, and colorectal cancer survival in southeastern Wisconsin. METHODS: Cancer incidence data were obtained from the Wisconsin Cancer Reporting System for two southeastern Wisconsin metropolitan areas...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28196846/racial-ethnic-differences-in-the-impact-of-neighborhood-social-and-built-environment-on-breast-cancer-risk-the-neighborhoods-and-breast-cancer-study
#13
Shannon M Conroy, Salma Shariff-Marco, Jocelyn Koo, Juan Yang, Theresa H M Keegan, Meera Sangaramoorthy, Andrew Hertz, David O Nelson, Myles Cockburn, William A Satariano, Irene H Yen, Ninez Ponce, Esther M John, Scarlett Lin Gomez
BACKGROUND: Neighborhood socioeconomic status (nSES) has been found to be associated with breast cancer risk. It remains unclear whether this association applies across racial/ethnic groups independent of individual-level factors, and is attributable to other neighborhood characteristics. METHODS: We examined the independent and joint associations of education and nSES with odds of breast cancer. Residential addresses were geocoded for 2,838 cases and 3,117 controls and linked to nSES and social and built environment characteristics...
February 14, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28183827/measured-adiposity-in-relation-to-head-and-neck-cancer-risk-in-the-european-prospective-investigation-into-cancer-and-nutrition
#14
Heather A Ward, Petra A Wark, David C Muller, Annika Steffen, Mattias Johansson, Teresa Norat, Marc J Gunter, Kim Overvad, Christina C Dahm, Jytte Halkjær, Anne Tjønneland, Marie-Christine Boutron-Ruault, Guy Fagherazzi, Sylvie Mesrine, Paul Brennan, Heinz Freisling, Kuanrong Li, Rudolf Kaaks, Antonia Trichopoulou, Pagona Lagiou, Salvatore Panico, Sara Grioni, Rosario Tumino, Paolo Vineis, Domenico Palli, Petra H M Peeters, H Bas Bueno-de-Mesquita, Elisabete Weiderpass, Antonio Agudo, Jose Ramon Quiros, Nerea Larrañaga, Eva Ardanaz, José María Huerta, María-José Sánchez, Goran Laurell, Ingegerd Johansson, Ulla Westin, Peter Wallstrom, Kathryn E Bradbury, Nicholas J Wareham, Kay-Tee Khaw, Clare Pearson, Heiner Boeing, Elio Riboli
BACKGROUND: Emerging evidence from cohort studies indicates that adiposity is associated with greater incidence of head and neck cancer (HNC). However, most studies have used self-reported anthropometry which is prone to error. METHODS: Among 363 094 participants in the European Prospective Investigation into Cancer and Nutrition study (EPIC) with measured anthropometry, there were 837 incident cases of HNC. HNC risk was examined in relation to body mass index (BMI) [lean: < 22...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28183826/impact-of-a-false-positive-screening-mammogram-on-subsequent-screening-behavior-and-stage-at-breast-cancer-diagnosis
#15
Firas M Dabbous, Therese A Dolecek, Michael L Berbaum, Sarah M Friedewald, Wm Thomas Summerfelt, Kent Hoskins, Garth H Rauscher
Background: Experiencing a false positive (FP) screening mammogram is economically, physically, and emotionally burdensome, which may affect future screening behavior by delaying the next scheduled mammogram or by avoiding screening altogether. We sought to examine the impact of a FP screening mammogram on the subsequent screening mammography behavior.Methods: Delay in obtaining subsequent screening was defined as any mammogram performed more than 12 months from index mammogram. The Kaplan-Meier (product limit) estimator and Cox proportional hazards model were used to estimate the unadjusted delay and the hazard ratio (HR) of delay of the subsequent screening mammogram within the next 36 months from the index mammogram date...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28183825/insurance-status-and-racial-disparities-in-cancer-specific-mortality-in-the-united-states-a-population-based-analysis
#16
Hubert Y Pan, Gary V Walker, Stephen R Grant, Pamela K Allen, Jing Jiang, B Ashleigh Guadagnolo, Benjamin D Smith, Matthew Koshy, Chad G Rusthoven, Usama Mahmood
BACKGROUND: Cancer-specific mortality (CSM) is known to be higher among blacks and lower among Hispanics compared to whites. Private insurance confers CSM benefit, but few studies have examined the relationship between insurance status and racial disparities. We sought to determine differences in CSM between races within insurance subgroups. METHODS: A population-based cohort of 577,716 patients age 18-64 years diagnosed with one of the 10 solid malignancies causing the greatest mortality over 2007-2012 were obtained from SEER...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28183824/global-cancer-in-women-cancer-control-priorities
#17
Farhad Islami, Lindsey A Torre, Jeffrey M Drope, Elizabeth M Ward, Ahmedin Jemal
The global burden of cancer in women has recently received much attention, but there are few comprehensive reviews of the burden and policy approaches to reduce it. This paper, second in series of two, summarizes the most important cancer control priorities with specific examples of proven interventions, with a particular focus on primary prevention in low- and middle-income countries (LMICs). There are a number of effective cancer control measures available to countries of all resource levels. Many of these measures are extremely cost-effective, especially in the case of tobacco control and vaccination...
February 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28154108/contextual-correlates-of-physical-activity-among-older-adults-a-neighborhood-environment-wide-association-study-ne-was
#18
Stephen J Mooney, Spruha Joshi, Magdalena Cerdá, Gary J Kennedy, John R Beard, Andrew G Rundle
Background Few older adults achieve recommended physical activity levels. We conducted a 'Neighborhood Environment-Wide Association Study (NE-WAS)' of neighborhood influences on physical activity among older adults, analogous, in a genetic context, to a Genome Wide Association Study (GWAS). Methods Physical Activity Scale for the Elderly (PASE) and socio-demographic data were collected via telephone survey of 3,497 residents of New York City aged 65-75. Using Geographic Information Systems, we created 337 variables describing each participant's residential neighborhood's built, social, and economic context...
February 2, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28154107/impact-of-social-and-built-environment-factors-on-body-size-among-breast-cancer-survivors-the-pathways-study
#19
Salma Shariff-Marco, Julie Von Behren, Peggy Reynolds, Theresa H M Keegan, Andrew Hertz, Marilyn L Kwan, Janise M Roh, Catherine Thomsen, Candyce H Kroenke, Christine B Ambrosone, Lawrence H Kushi, Scarlett Lin Gomez
BACKGROUND: As social and built environment factors have been shown to be associated with physical activity, dietary patterns, and obesity in the general population, they likely also influence these health behaviors among cancer survivors, and thereby impact survivorship outcomes. METHODS: Enhancing the rich, individual-level survey and medical record data from 4,505 breast cancer survivors in the Pathways Study, a prospective cohort drawn from Kaiser Permanente Northern California, we geocoded baseline residential addresses and appended social and built environment data...
February 2, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28154106/visualizing-the-diffusion-of-digital-mammography-in-new-york-state
#20
Francis P Boscoe, Xiuling Zhang
BACKGROUND: Digital mammography saw rapid adoption during the first decade of the 2000s. We were interested in identifying the times and locations where the technology was introduced within the state of New York as a way of illustrating the uneven introduction of this technology. METHODS: Using a sample of Medicare claims data from the period 2004-2012 from women aged 65 and over without cancer, we calculated the percentage of mammograms which were digital by zip code of residence and illustrated these with a series of smoothed maps...
February 2, 2017: Cancer Epidemiology, Biomarkers & Prevention
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