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Obesity and breast cancer

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https://www.readbyqxmd.com/read/28108225/female-schizophrenia-patients-and-risk-of-breast-cancer-a-population-based-cohort-study
#1
Ana Isabel Wu Chou, Yu-Chiao Wang, Cheng-Li Lin, Chia-Hung Kao
OBJECTIVE: Breast cancer is the most common type of cancer in women. This population-based cohort study aimed to examine the association between breast cancer in female schizophrenia patients and its association with the use of antipsychotics drugs. METHODS: All study subjects were selected from the Taiwan Insurance Claims Data (1998-2008). We compared the risk for breast cancer between female schizophrenia patients receiving antipsychotics (n=29,641) with female patients without any serious mental illnesses nor receiving antipsychotic drugs (n=59,282)...
January 17, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28103902/relationship-between-crown-like-structures-and-sex-steroid-hormones-in-breast-adipose-tissue-and-serum-among-postmenopausal-breast-cancer-patients
#2
Maeve Mullooly, Hannah P Yang, Roni T Falk, Sarah J Nyante, Renata Cora, Ruth M Pfeiffer, Derek C Radisky, Daniel W Visscher, Lynn C Hartmann, Jodi M Carter, Amy C Degnim, Frank Z Stanczyk, Jonine D Figueroa, Montserrat Garcia-Closas, Jolanta Lissowska, Melissa A Troester, Stephen M Hewitt, Louise A Brinton, Mark E Sherman, Gretchen L Gierach
BACKGROUND: Postmenopausal obesity is associated with increased circulating levels of androgens and estrogens and elevated breast cancer risk. Crown-like structures (CLS; microscopic foci of dying adipocytes surrounded by macrophages) are proposed to represent sites of increased aromatization of androgens to estrogens. Accordingly, we examined relationships between CLS and sex-steroid hormones in breast adipose tissue and serum from postmenopausal breast cancer patients. METHODS: Formalin-fixed paraffin embedded benign breast tissues collected for research from postmenopausal women (n = 83) diagnosed with invasive breast cancer in the Polish Breast Cancer Study (PBCS) were evaluated...
January 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28101337/adipocyte-lipolysis-links-obesity-to-breast-cancer-growth-adipocyte-derived-fatty-acids-drive-breast-cancer-cell-proliferation-and-migration
#3
Seher Balaban, Robert F Shearer, Lisa S Lee, Michelle van Geldermalsen, Mark Schreuder, Harrison C Shtein, Rose Cairns, Kristen C Thomas, Daniel J Fazakerley, Thomas Grewal, Jeff Holst, Darren N Saunders, Andrew J Hoy
BACKGROUND: Obesity is associated with increased recurrence and reduced survival of breast cancer. Adipocytes constitute a significant component of breast tissue, yet their role in provisioning metabolic substrates to support breast cancer progression is poorly understood. RESULTS: Here, we show that co-culture of breast cancer cells with adipocytes revealed cancer cell-stimulated depletion of adipocyte triacylglycerol. Adipocyte-derived free fatty acids were transferred to breast cancer cells, driving fatty acid metabolism via increased CPT1A and electron transport chain complex protein levels, resulting in increased proliferation and migration...
2017: Cancer & Metabolism
https://www.readbyqxmd.com/read/28093732/long-term-hormone-therapy-for-perimenopausal-and-postmenopausal-women
#4
REVIEW
Jane Marjoribanks, Cindy Farquhar, Helen Roberts, Anne Lethaby, Jasmine Lee
BACKGROUND: Hormone therapy (HT) is widely provided for control of menopausal symptoms and has been used for the management and prevention of cardiovascular disease, osteoporosis and dementia in older women. This is an updated version of a Cochrane review first published in 2005. OBJECTIVES: To assess effects of long-term HT (at least 1 year's duration) on mortality, cardiovascular outcomes, cancer, gallbladder disease, fracture and cognition in perimenopausal and postmenopausal women during and after cessation of treatment...
January 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28087608/diabetes-abnormal-glucose-dyslipidemia-hypertension-and-risk-of-inflammatory-and-other-breast-cancer
#5
Catherine Schairer, Shahinaz M Gadalla, Ruth M Pfeiffer, Steven C Moore, Eric A Engels
BACKGROUND: Obesity has been associated with substantially higher risk of inflammatory breast cancer (IBC) than other breast cancer. Here, we assess whether comorbidities of obesity, namely diabetes, abnormal glucose, dyslipidemia, and hypertension, are differentially related to risk of inflammatory breast cancer and other breast cancers by tumor stage at diagnosis (localized/regional/distant/unstaged). METHODS: We used linked SEER-Medicare data, with female breast cancer cases aged 66+ years identified by SEER registries (years 1992-2011)...
January 13, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28087607/type-2-diabetes-obesity-and-breast-cancer-risk-the-multiethnic-cohort
#6
Gertraud Maskarinec, Simone Jacobs, Song-Yi Park, Christopher A Haiman, Veronica Wendy Setiawan, Lynne R Wilkens, Loic Le Marchand
BACKGROUND: Obesity has been more consistently associated with breast cancer than type 2 diabetes (T2D). This analysis examined the combination of the two factors in the Multiethnic Cohort (MEC). METHODS: Women aged 45-75 years entered the MEC in 1993-1996 by completing a questionnaire. T2D status was self-reported at baseline, two follow-up questionnaires, and confirmed by administrative data. Cancers were identified from tumor registries and deaths through vital records until 2010...
January 13, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28076537/risk-factors-of-breast-cancer-and-knowledge-about-the-disease-an-integrative-revision-of-latin-american-studies
#7
Aline Ferreira de Araújo Jerônimo, Ângela Gabrielly Quirino Freitas, Mathias Weller
The aim of this integrative review was to compare Latin American literature about risk and knowledge on breast cancer. Of 47 studies selected, 20 were about knowledge or awareness and 27 about risk of breast cancer. English was the dominant language in studies about risk, whereas studies about knowledge were mainly written in Spanish or Portuguese. Studies about knowledge were all cross- sectional, whereas case- control studies dominated authors' interest about risk of breast cancer. Studies about knowledge were mainly focused on early detection of the disease and the most common study objective was breast self- examination (N = 14)...
January 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28074400/peculiarities-of-the-obese-patient-with-cancer-a-national-consensus-statement-by-the-spanish-society-for-the-study-of-obesity-and-the-spanish-society-of-medical-oncology
#8
P Pérez-Segura, J E Palacio, L Vázquez, S Monereo, R de Las Peñas, P Martínez de Icaya, C Grávalos, A Lecube, A Blasco, J M García-Almeida, I Barneto, A Goday
The relationship between obesity and cancer is clear and is present at all times during course of the disease. The importance of obesity in increasing the risk of developing cancer is well known, and some of the most prevalent tumours (breast, colorectal, and prostate) are directly related to this risk increase. However, there is less information available on the role that obesity plays when the patient has already been diagnosed with cancer. Certain data demonstrate that in some types of cancer, obese patients tolerate the treatments more poorly...
January 10, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28069684/weight-fluctuation-and-cancer-risk-in-post-menopausal-women-the-women-s-health-initiative
#9
Laura M Welti, Daniel P Beavers, Bette J Caan, Haleh Sangi-Haghpekar, Mara Z Vitolins, Kristen M Beavers
BACKGROUND: Weight cycling, defined by an intentional weight loss and subsequent regain, commonly occurs in overweight and obese women and is associated with some negative health outcomes. We examined the role of various weight-change patterns during early to mid- adulthood and associated risk of highly prevalent, obesity-related cancers (breast, endometrial, colorectal) in postmenopausal women. METHODS: 80,943 postmenopausal women (age: 63.4±7.4 years) in the Women's Health Initiative Observational Study were categorized by self-reported weight change (weight stable; weight gain; lost weight; weight cycled [1-3, 4-6, 7-10, >10 times]) during early to mid- adulthood (18-50 years)...
January 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28061004/objective-physical-and-mental-markers-of-self-reported-fatigue-in-women-undergoing-neo-adjuvant-chemotherapy-for-early-stage-breast-cancer
#10
Joanne E Mortimer, Sarah Waliany, Christina M Dieli-Conwright, Sunita K Patel, Arti Hurria, Joseph Chao, Brian Tiep, Carolyn E Behrendt
BACKGROUND: Objective, treatment-independent markers of cancer-related fatigue are needed to advance clinical trials. In the current study, the authors evaluated physical, neurocognitive, and serologic markers for correlation with self-reported fatigue before and after (neo)adjuvant chemotherapy for patients with early-stage breast cancer. METHODS: Women with AJCC TNM Stage I-III breast cancer consented to assessment before and after the completion of 4 cycles of dose-dense doxorubicin and cyclophosphamide...
January 6, 2017: Cancer
https://www.readbyqxmd.com/read/28060948/weight-loss-and-mortality-in-overweight-and-obese-cancer-survivors-a-systematic-review
#11
Sarah E Jackson, Malgorzata Heinrich, Rebecca J Beeken, Jane Wardle
BACKGROUND: Excess adiposity is a risk factor for poorer cancer survival, but there is uncertainty over whether losing weight reduces the risk. We conducted a critical review of the literature examining weight loss and mortality in overweight or obese cancer survivors. METHODS: We systematically searched PubMed and EMBASE for articles reporting associations between weight loss and mortality (cancer-specific or all-cause) in overweight/obese patients with obesity-related cancers...
2017: PloS One
https://www.readbyqxmd.com/read/28060868/non-communicable-disease-preventive-screening-by-hiv-care-model
#12
Corinne M Rhodes, Yuchiao Chang, Susan Regan, Virginia A Triant
IMPORTANCE: The Human Immunodeficiency Virus (HIV) epidemic has evolved, with an increasing non-communicable disease (NCD) burden emerging and need for long-term management, yet there are limited data to help delineate the optimal care model to screen for NCDs for this patient population. OBJECTIVE: The primary aim was to compare rates of NCD preventive screening in persons living with HIV/AIDS (PLWHA) by type of HIV care model, focusing on metabolic/cardiovascular disease (CVD) and cancer screening...
2017: PloS One
https://www.readbyqxmd.com/read/28057355/physical-activity-and-breast-cancer-risk-by-pathological-subtype
#13
Virginia Lope, Miguel Martín, Adela Castelló, Soraya Casla, Amparo Ruiz, Jose Manuel Baena-Cañada, Ana Mª Casas, Lourdes Calvo, Begoña Bermejo, Montserrat Muñoz, Manuel Ramos, Ana de Juan-Ferré, Carlos Jara, Antonio Antón, Mª Ángeles Jimeno, Ana Lluch, Silvia Antolín, José Ángel García-Sáenz, Purificación Estévez, Esperanza Arriola-Arellano, Joaquín Gavilá, Beatriz Pérez-Gómez, Eva Carrasco, Marina Pollán
OBJECTIVE: To examine the influence of physical activity on breast cancer risk and evaluate whether adherence to international recommendations is associated with a decreased risk. METHODS: This is a multicenter matched case-control study where 698 pairs completed a physical activity questionnaire. Recreational physical activity during the last year was quantified in metabolic equivalent hours per week (MET-h/week) and categorized in activities of moderate (3.0-5...
January 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28054496/tailoring-exercise-interventions-to-comorbidities-and-treatment-induced-adverse-effects-in-patients-with-early-stage-breast-cancer-undergoing-chemotherapy-a-framework-to-support-clinical-decisions
#14
Marike van der Leeden, Rosalie J Huijsmans, Edwin Geleijn, Mariëtte de Rooij, Inge R Konings, Laurien M Buffart, Joost Dekker, Martijn M Stuiver
PURPOSE: Delivery of exercise interventions to patients with early-stage breast cancer undergoing chemotherapy requires complex clinical decisions. The purpose of this study was to develop a framework to support clinical decisions for tailoring exercise interventions to common comorbidities and cancer treatment-induced adverse effects. METHOD: Tailored exercise prescriptions were developed in four steps, following the i3-S strategy. All steps were based on current best available evidence, complemented with expert opinions...
January 5, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28052820/disparities-in-obesity-physical-activity-rates-and-breast-cancer-survival
#15
M E Ford, G Magwood, E T Brown, K Cannady, M Gregoski, K D Knight, L L Peterson, R Kramer, A Evans-Knowell, D P Turner
The significantly higher breast cancer (BCa) mortality rates of African-American (AA) women compared to non-Hispanic (NHW) white women constitute a major US health disparity. Investigations have primarily focused on biological differences in tumors to explain more aggressive forms of BCa in AA women. The biology of tumors cannot be modified, yet lifestyle changes can mitigate their progression and recurrence. AA communities have higher percentages of obesity than NHWs and exhibit inefficient access to care, low socioeconomic status, and reduced education levels...
2017: Advances in Cancer Research
https://www.readbyqxmd.com/read/28045557/metabolic-syndrome-and-mammographic-density-in-premenopausal-chilean-women
#16
Angela Martínez-Arroyo, Hortensia Moreno-Macías, Ana Pereira Scalabrino, Maria Luisa Garmendia
BACKGROUND: Metabolic syndrome (MetS) has been previously associated with an increased risk of breast cancer in postmenopausal women. Mammographic density (MD) is a marker of breast cancer risk. There is little evidence of an association between MetS and MD in premenopausal women. METHODS: Through a cross-sectional study, we evaluated 364 premenopausal Chilean women in which we measured anthropometric, blood pressure, and metabolic markers. MetS and its components were defined according to the National Cholesterol Education Program Adult Treatment Plan III criteria...
January 3, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28044214/associations-of-obesity-and-physical-activity-with-serum-and-intratumoral-sex-steroid-hormone-levels-among-postmenopausal-women-with-breast-cancer-analysis-of-paired-serum-and-tumor-tissue-samples
#17
Yoichiro Kakugawa, Hiroshi Tada, Masaaki Kawai, Takashi Suzuki, Yoshikazu Nishino, Seiki Kanemura, Takanori Ishida, Noriaki Ohuchi, Yuko Minami
PURPOSE: It has been hypothesized that intratumoral estrogens may play important roles in the growth of breast cancer. However, few studies have investigated such intratumoral hormones, or their association with risk factors of breast cancer. METHODS: In this cross-sectional study, hormone levels in paired serum and tumor tissue samples from 146 postmenopausal women with breast cancer were measured by liquid chromatography-tandem mass spectrometry and compared between estrogen/progesterone (ER/PgR) subtypes...
January 2, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28040694/risk-factors-that-increase-risk-of-estrogen-receptor-positive-and-negative-breast-cancer
#18
Karla Kerlikowske, Charlotte C Gard, Jeffrey A Tice, Elad Ziv, Steven R Cummings, Diana L Miglioretti
BACKGROUND: Risk factors may differentially influence development of estrogen receptor (ER)-positive vs -negative breast cancer. We examined associations with strong, prevalent risk factors by ER subtype. METHODS: Of 1 279 443 women age 35 to 74 years participating in the Breast Cancer Surveillance Consortium, 14 969 developed ER-positive and 3617 developed ER-negative invasive breast cancer. We calculated hazard ratios (HRs) using Cox regression and compared ER subtype hazard ratios at representative ages or by menopausal status using Wald tests...
May 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28039702/serum-apelin-levels-and-body-composition-changes-in-breast-cancer-patients-treated-with-an-aromatase-inhibitor
#19
Tarik Salman, Leyla Demir, Umut Varol, Murat Akyol, Utku Oflazoglu, Yasar Yildiz, Halil Taskaynatan, Hakan Cengiz, Guven Guvendi, Yuksel Kucukzeybek, Ahmet Alacacioglu, Oktay Tarhan
PURPOSE: The adipose tissue plays a role in carcinogenesis with the adipokines it generates. Apelin is an anti-obesigenic adipokine, and assumes roles in both vascularization and tumor cell proliferation. The present study aimed to investigate changes in apelin levels, in postmenopausal breast cancer (BC) patients receiving aromatase inhibitors (AIs). METHODS: Forty early-stage postmenopausal BC patients treated with AIs with no history of chemotherapy administration were included in the study...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28038446/heparanase-augments-insulin-receptor-signaling-in-breast-carcinoma
#20
Rachel Goldberg, Amir Sonnenblick, Esther Hermano, Tamar Hamburger, Amichay Meirovitz, Tamar Peretz, Michael Elkin
Recently, growing interest in the potential link between metabolic disorders (i.e., diabetes, obesity, metabolic syndrome) and breast cancer has mounted, including studies which indicate that diabetic/hyperinsulinemic women have a significantly higher risk of bearing breast tumors that are more aggressive and associated with higher death rates. Insulin signaling is regarded as a major contributor to this phenomenon; much less is known about the role of heparan sulfate-degrading enzyme heparanase in the link between metabolic disorders and cancer...
December 27, 2016: Oncotarget
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