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Obesity and breast cancer

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https://www.readbyqxmd.com/read/28720217/body-mass-index-mediates-the-prognostic-significance-of-circulating-tumor-cells-in-inflammatory-breast-cancer
#1
Oluwadamilola M Fayanju, Carolyn S Hall, Jessica Bowman Bauldry, Mandar Karhade, Lily M Valad, Henry M Kuerer, Sarah M DeSnyder, Carlos H Barcenas, Anthony Lucci
BACKGROUND: Obesity (BMI≥30) may be an etiologic and prognostic factor in inflammatory breast cancer (IBC). We examined the relationship between BMI, pathologic complete response (pCR), and circulating-tumor-cell (CTC) levels in IBC. METHODS: Cohort included IBC patients diagnosed 2005-2015 who had neoadjuvant chemotherapy during a prospective trial on CTCs and pathologic review describing pCR. Chi-square, logistic regression, and Cox proportional hazards models were used to identify clinicopathologic associations with event-free survival (EFS)...
June 23, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28717853/radiation-related-heart-disease-after-breast-cancer-radiation-therapy-in-korean-women
#2
Jee Suk Chang, Byung Kyun Ko, Jeoung Won Bae, Jong-Han Yu, Min Ho Park, Yongsik Jung, Ye Won Jeon, Kyung Hwan Kim, Jaeyong Shin, Chang-Ok Suh, Yong Bae Kim
PURPOSE: To study the late cardiac toxicity of breast radiation therapy (RT) in Asian women. METHODS: Female breast cancer patients in Korea who underwent breast conservation surgery followed by RT from 1990-2012 were identified from two large registries at institution and population levels. Cumulative incidences of acute coronary events (ACE) or cardiac mortality were estimated in relation to the laterality of breast cancer using a competing risks analysis. RESULTS: In an analysis of 2577 women from a single institution, 3...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28710147/dietary-guidelines-for-breast-cancer-patients-a-critical-review
#3
REVIEW
Ana Teresa Limon-Miro, Veronica Lopez-Teros, Humberto Astiazaran-Garcia
Current dietary guidelines for breast cancer patients (BCPs) fail to address adequate dietary intakes of macro- and micronutrients that may improve patients' nutritional status. This review includes information from the PubMed and Biomed Central databases over the last 15 y concerning dietary guidelines for BCPs and the potential impact of a personalized, nutrient-specific diet on patients' nutritional status during and after antineoplastic treatment. Results indicated that BCPs should receive a nutritional assessment immediately after diagnosis...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28708432/epigenetic-changes-of-the-esr1-gene-in-breast-tissue-of-healthy-women-a-missing-link-with-breast-cancer-risk-factors
#4
Abdolreza Daraei, Pantea Izadi, Ghasemali Khorasani, Nahid Nafissi, Mohammad Mehdi Naghizadeh, Nasim Younosi, Alipasha Meysamie, Yaser Mansoori, Milad Bastami, Javad Tavakkoly-Bazzaz
BACKGROUND: Reproductive history and obesity are among the well-recognized risk factors in the development of breast cancer, which are partially mediated by the increased exposure of breast tissues to estrogens. However, only a few studies have investigated the link between these risk factors and the pattern of methylation signatures in the breast tissue of healthy women. The role of estrogen receptor 1 (ESR1) gene hypermethylation is reportedly important in the development of breast cancer...
July 14, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28702890/adiposity-during-early-adulthood-changes-in-adiposity-during-adulthood-attained-adiposity-and-mammographic-density-among-premenopausal-women
#5
Aliya Alimujiang, Catherine Appleton, Graham A Colditz, Adetunji T Toriola
PURPOSE: We investigated the associations of adolescent adiposity, changes in adiposity during adulthood, and attained adiposity with volumetric mammographic density measures. METHODS: We recruited 383 premenopausal women who had a routine screening mammogram at the Breast Health Center, Washington University in St. Louis, MO from December 2015 to October 2016. Trained research personnel assessed current adiposity measures. Weight at ages 18 and 30 were self-reported...
July 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28702218/effects-of-a-parallel-arm-randomized-controlled-weight-loss-pilot-study-on-biological-and-psychosocial-parameters-of-overweight-and-obese-breast-cancer-survivors
#6
Andrea Y Arikawa, Beth C Kaufman, Susan K Raatz, Mindy S Kurzer
BACKGROUND: Weight gain often occurs after breast cancer (BC) diagnosis and obesity along with sedentary behavior are associated with increased risk of BC recurrence and mortality. The primary objective of this study was to determine whether a significant weight loss, of approximately 10%, would lead to beneficial changes in biomarkers associated with cancer and/or cancer recurrence, and quality of life (QOL) in overweight and obese BC survivors. METHODS: This parallel-arm study took place in Minneapolis, Minnesota, from January 2009 until March 2010...
2018: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28698340/leisure-time-physical-activity-and-circulating-25-hydroxyvitamin-d-levels-in-cancer-survivors-a-cross-sectional-analysis-using-data-from-the-us-national-health-and-nutrition-examination-survey
#7
Lin Yang, Adetunji T Toriola
OBJECTIVES: Circulating 25-hydroxyvitamin D (25-OHD) is associated with improved cancer prognosis in some studies, yet it may be a surrogate marker for physical activity. We investigated the associations of leisure-time physical activity (LTPA) with circulating 25-OHD levels in cancer survivors, and determined whether associations differ by indoor and outdoor activity. DESIGN: Cross-sectional study. SETTING: The US National Health and Nutrition Examination Survey (NHANES)...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28690055/antitumor-effect-of-ferula-assa-foetida-oleo-gum-resin-against-breast-cancer-induced-by-4t1-cells-in-balb-c-mice
#8
Seyyed Majid Bagheri, Amir Abdian-Asl, Mahin Taheri Moghadam, Maryam Yadegari, Aghdas Mirjalili, Fatemeh Zare-Mohazabieh, Haniyeh Momeni
BACKGROUND: Ferula assa foetida commonly consumed as a healthy beverage has been demonstrated to have various biological activities, including antioxidation, anti-obesity and anti-cancer. OBJECTIVE: Our study aims to investigate the antitumor effect of asafoetida in vivo using mouse mammary carcinoma 4T1 cells. MATERIALS AND METHODS: In the study, female BALB/c mice were divided into two groups (n = 6), which were control (untreated) and other group of mice with breast cancer treated with 100 mg/kg of asafoetida, respectively, by oral gavage...
July 6, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28685099/integrative-analysis-of-pathway-deregulation-in-obesity
#9
Francesc Font-Clos, Stefano Zapperi, Caterina A M La Porta
Obesity is a pandemic disease, linked to the onset of type 2 diabetes and cancer. Transcriptomic data provides a picture of the alterations in regulatory and metabolic activities associated with obesity, but its interpretation is typically blurred by noise. Here, we solve this problem by collecting publicly available transcriptomic data from adipocytes and removing batch effects using singular value decomposition. In this way we obtain a gene expression signature of 38 genes associated to obesity and identify the main pathways involved...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28683054/invasive-cancer-incidence-2004-2013-and-deaths-2006-2015-in-nonmetropolitan-and-metropolitan-counties-united-states
#10
S Jane Henley, Robert N Anderson, Cheryll C Thomas, Greta M Massetti, Brandy Peaker, Lisa C Richardson
PROBLEM/CONDITION: Previous reports have shown that persons living in nonmetropolitan (rural or urban) areas in the United States have higher death rates from all cancers combined than persons living in metropolitan areas. Disparities might vary by cancer type and between occurrence and death from the disease. This report provides a comprehensive assessment of cancer incidence and deaths by cancer type in nonmetropolitan and metropolitan counties. REPORTING PERIOD: 2004-2015...
July 7, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28682785/artificial-light-at-night-a-novel-lifestyle-risk-factor-for-metabolic-disorder-and-cancer-morbidity
#11
REVIEW
Abed E Zubidat, Abraham Haim
Both obesity and breast cancer are already recognized worldwide as the most common syndromes in our modern society. Currently, there is accumulating evidence from epidemiological and experimental studies suggesting that these syndromes are closely associated with circadian disruption. It has been suggested that melatonin (MLT) and the circadian clock genes both play an important role in the development of these syndromes. However, we still poorly understand the molecular mechanism underlying the association between circadian disruption and the modern health syndromes...
July 26, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28677652/relationship-between-handgrip-strength-and-muscle-mass-in-female-survivors-of-breast-cancer-a-mediation-analysis
#12
Lorena Benavides-Rodríguez, Antonio García-Hermoso, Diogo Rodrigues-Bezerra, Mikel Izquierdo, Jorge Enrique Correa-Bautista, Robinson Ramírez-Vélez
This study explored the mediating factors of sarcopenia in a group of women survivors of breast cancer in Bogotá, Colombia. This was a descriptive cross-sectional study with 98 women survivors of breast cancer, who were registered with the SIMMON (Integrated Synergies to Improve Oncological Management in Colombia) Foundation. Body weight, height, and waist circumference (WC) were measured, and body mass index (BMI) was calculated. Body composition (percentage of fat and muscle mass) was evaluated via four-pole bioelectrical impedance analysis...
July 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28677026/circulating-leptin-and-adiponectin-and-breast-density-in-premenopausal-mexican-women-the-mexican-teachers-cohort
#13
L Dossus, S Rinaldi, C Biessy, M Hernandez, M Lajous, A Monge, E Ortiz-Panozo, E Yunes, R Lopez-Ridaura, G Torres-Mejía, I Romieu
PURPOSE: Leptin and adiponectin are produced by the adipose tissue. Mammographic density (MD) is one of the strongest predictors of breast cancer (BC) and is highly influenced by adiposity. How the interplay between MD, obesity, and obesity-related biomarkers influences BC risk, however, is still unknown, especially in premenopausal women, where adiposity seems to be protective for BC. The aim of the present study was to explore the association between circulating leptin, adiponectin, and their ratio, with MD in Mexican premenopausal women who are part of the large Mexican Teachers' Cohort (MTC)...
July 4, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28676553/voluntary-physical-activity-counteracts-the-proliferative-tumor-growth-microenvironment-created-by-adipose-tissue-via-high-fat-diet-feeding-in-female-rats
#14
Christopher F Theriau, Michael K Connor
The adipokine secretion profile created from adipose tissue may represent the molecular mechanism behind the obesity-breast cancer association. Two adipokines, adiponectin (ADIPO), and leptin (LEP), are altered with obesity and exert antagonistic effects on breast cancer proliferation. We set out to determine whether the adipose-dependent tumor promoting growth environment created by a high-fat diet (HFD) in female Sprague-Dawley rats is altered compared to established responses in male rats and whether voluntary physical activity (PA) ameliorates any HFD-dependent effects...
July 2017: Physiological Reports
https://www.readbyqxmd.com/read/28673535/nipple-sparing-and-skin-sparing-mastectomy-review-of-aims-oncological-safety-and-contraindications
#15
Viviana Galimberti, Elisa Vicini, Giovanni Corso, Consuelo Morigi, Sabrina Fontana, Virgilio Sacchini, Paolo Veronesi
Skin-sparing (SSM) and nipple-sparing (NSM) mastectomies are relatively new conservative surgical approaches to breast cancer. In SSM most of the breast skin is conserved to create a pocket that facilitates immediate breast reconstruction with implant or autologous graft to achieve a quality cosmetic outcome. NSM is closely similar except that the nipple-areola complex (NAC) is also conserved. Meta-analyses indicate that outcomes for SSM and NSM do not differ from those for non-conservative mastectomies. Recurrence rates in the NAC after NSM are acceptably low (0-3...
June 30, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28670880/awareness-about-breast-cancer-and-its-screening-among-rural-egyptian-women-minia-district-a-population-based-study
#16
Ebtesam Esmail Hassan, Amany Edward Seedhom, Eman Mohamed Mahfouz
Background: Recent global cancer statistics indicate rising global incidence of breast cancer and the increase is occurring at a faster rate in developing countries. Training women how to carry out breast self-examination (BSE) can help them to be alert to any abnormalities in their breasts to speedily seek medical consultation. Health behavior may be influenced by level of awareness about breast cancer. Methods: A cross-sectional community- based study aimed to assess the level of knowledge about breast cancer risk factors, early warning signs, screening approaches and related predictors...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28669172/differential-association-of-the-lifestyle-related-risk-factors-smoking-and-obesity-with-triple-negative-breast-cancer-in-a-brazilian-population
#17
Aline Ferreira de Araújo Jerônimo, Mathias Weller
Background: A longer lifespan and changing lifestyle-related and reproductive risk factors have led to an increased incidence of breast cancer in Brazil. There have been few studies about associations of specific risk factors with molecular subtypes of the disease. The aim of the present study was to identify factors that modulate the risk of triple negative breast cancer. Materials and Methods: A case-case analysis was performed. Data for 236 breast cancer patients from two reference centres in North-eastern Brazil were applied to assess the association of risk factors with triple negative breast cancer relative to the luminal A subtype...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28669161/overweight-is-it-a-prognostic-factor-in-women-with-triple-negative-breast-cancer
#18
Ouissam Al Jarroudi, Naima Abda, Youssef Seddik, Sami Aziz Brahmi, Said Afqir
Background: Obesity is associated with poor outcomes in patients with breast cancer expressing hormone receptors, but this association is not well established for triple-negative breast cancer. In this study, we investigated the influence of body mass index (BMI) in triple-negative breast cancer outcomes. Methods: This is a descriptive and analytical retrospective cohort study at the Regional Oncology Center Hassan II-Oujda. We identified 115 patients with triple-negative breast cancer, met the criteria for inclusion, treated between January 2009 and December 2011...
June 25, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28667123/mutant-p53-potentiates-the-oncogenic-effects-of-insulin-by-inhibiting-the-tumor-suppressor-dab2ip
#19
Elena Valentino, Arianna Bellazzo, Giulio Di Minin, Daria Sicari, Mattia Apollonio, Giosuè Scognamiglio, Maurizio Di Bonito, Gerardo Botti, Giannino Del Sal, Licio Collavin
Obesity and type 2 diabetes are significant risk factors for malignancies, being associated with chronic inflammation and hyperinsulinemia. In this context, insulin can synergize with inflammation to promote proliferation, survival, and dissemination of cancer cells. Point mutation of p53 is a frequent event and a significant factor in cancer development and progression. Mutant p53 protein(s) (mutp53) can acquire oncogenic properties that increase metastasis, proliferation, and cell survival. We report that breast and prostate cancer cells with mutant p53 respond to insulin stimulation by increasing cell proliferation and invasivity, and that such a response depends on the presence of mutp53...
June 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28667029/association-of-the-del1518-promoter-rs3730485-polymorphism-in-the-mdm2-gene-with-breast-cancer-in-a-mexican-population
#20
Martha Patricia Gallegos-Arreola, María Guadalupe Márquez-Rosales, José Sánchez-Corona, Luis Eduardo Figuera, Guillermo Zúñiga-González, Ana María Puebla-Pérez, Jorge Iván Delgado-Saucedo, Héctor Montoya-Fuentes
INTRODUCTION: The MDM2 gene plays an important role in tumorigenesis. The data on the Del1518 promoter polymorphism in the MDM2 gene have revealed associations with cancer. MATERIAL AND METHODS: We examined the role of the MDM2 Del1518 polymorphism through a comparison of the genotypes of 345 healthy Mexican women with those of 742 Mexican women with breast cancer (BC). RESULTS: The genotype frequencies of the MDM2 Del1518 polymorphism in controls and patients with BC were 64% and 55...
May 2017: Annals of Clinical and Laboratory Science
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