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Obesity and breast cancer

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https://www.readbyqxmd.com/read/29445094/being-slightly-overweight-is-associated-with-a-better-quality-of-life-in-breast-cancer-survivors
#1
Juan Xia, Zheng Tang, Qinglong Deng, Jiwei Wang, Jinming Yu
To examine the association between BMI and QOL in breast cancer survivors in China, we conducted a cross-sectional survey and recruited 10708 breast cancer survivors. Survivors self-reported QOL was measured using the EORTC QLQ-C30 and the QLQ-BR23. The impact of BMI on QOL was examined through standard least squares regression. Normal weight and overweight survivors were more likely to have a better QOL than underweight and obese survivors and the results were similar to survivors diagnosed as having chronic diseases...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29437116/cardiovascular-disease-and-breast-cancer-where-these-entities-intersect-a-scientific-statement-from-the-american-heart-association
#2
REVIEW
Laxmi S Mehta, Karol E Watson, Ana Barac, Theresa M Beckie, Vera Bittner, Salvador Cruz-Flores, Susan Dent, Lavanya Kondapalli, Bonnie Ky, Tochukwu Okwuosa, Ileana L Piña, Annabelle Santos Volgman
Cardiovascular disease (CVD) remains the leading cause of mortality in women, yet many people perceive breast cancer to be the number one threat to women's health. CVD and breast cancer have several overlapping risk factors, such as obesity and smoking. Additionally, current breast cancer treatments can have a negative impact on cardiovascular health (eg, left ventricular dysfunction, accelerated CVD), and for women with pre-existing CVD, this might influence cancer treatment decisions by both the patient and the provider...
February 1, 2018: Circulation
https://www.readbyqxmd.com/read/29433827/adipocytokines-and-breast-cancer
#3
REVIEW
Jiajia Li, Xianghui Han
A substantial number of studies have revealed that a growing list of cancers might be influenced by obesity. In this regard, one of the most prominent and well-characterized cancers is breast cancer, the leading cause of cancer death among women. Obesity is associated with an increased risk for the occurrence and development of breast cancer particular in postmenopausal women. Moreover, the relationship between adiposity and breast cancer risk is complex, with associations that differ depending on when body size is assessed (eg, premenopausal vs postmenopausal obesity) and when breast cancer is diagnosed (ie, premenopausal vs postmenopausal disease)...
January 8, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/29428830/the-effect-of-a-randomized-controlled-physical-activity-trial-on-health-related-quality-of-life-in-metabolically-unhealthy-african-american-women
#4
Teletia Taylor, Chiranjeev Dash, Kepher Makambi, Xiaoyang Ma, Vanessa Sheppard, Lucile L Adams-Campbell
PURPOSE: African-American women have a higher incidence and mortality from breast cancer compared to most other racial/ethnic groups. African-American women are also more likely to be metabolically unhealthy than White women. Several studies have suggested that metabolic syndrome affects health-related quality of life (HRQoL). Despite numerous exercise studies reporting improvements in metabolic syndrome, no study to date has examined the effect of exercise on HRQoL in metabolically unhealthy African-American women...
February 8, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29423116/a-plasma-telomeric-cell-free-dna-level-in-unaffected-women-with-brca1-or-and-brca2-mutations-a-pilot-study
#5
Shatovisha Dey, Natascia Marino, Kanokwan Bishop, Paige N Dahlgren, Aditi Shendre, Anna Maria Storniolo, Chunyan He, Hiromi Tanaka
Plasma cell-free DNA (cfDNA) is a small DNA fragment circulating in the bloodstream originating from both non-tumor- and tumor-derived cells. A previous study showed that a plasma telomeric cfDNA level decreases in sporadic breast cancer patients compared to controls. Tumor suppressor gene products including BRCA1 and BRCA2 (BRCA1&2) play an important role in telomere maintenance. In this study, we hypothesized that the plasma telomeric cfDNA level is associated with the mutation status of BRCA1&2 genes. To test this hypothesis, we performed plasma telomeric cfDNA quantitative PCR (qPCR)-based assays to compare 28 women carriers of the BRCA1&2 mutation with age-matched controls of 28 healthy women...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29421309/female-offspring-birth-weight-is-associated-with-body-mass-index-waist-circumference-and-metabolic-syndrome-in-latin-american-women-at-10-years-postpartum
#6
Natalie Mueller, Maria-Luisa Garmendia, Marcela Reyes, Camila Corválan, Ana Pereira, Ricardo Uauy
AIMS: We aimed to assess whether female offspring birth weight (BW) is associated with anthropometric and metabolic outcomes in Chilean mothers at 10-years postpartum. METHODS: We assessed data from 396 Chilean mother-daughter pairs participating in the longitudinal Chilean Growth and Obesity Cohort (GOCS) and Determinants of Breast Cancer Risk (DERCAM) studies. Multivariate linear and logistic regression models were performed to associate female offspring BW with maternal Body Mass Index (BMI), waist circumference, type 2 diabetes mellitus, metabolic syndrome and its components at 10-years postpartum...
February 5, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29415446/melatonin-a-molecule-for-reducing-breast-cancer-risk
#7
REVIEW
Alicia González-González, María Dolores Mediavilla, Emilio J Sánchez-Barceló
The objective of this article is to review the basis supporting the usefulness of melatonin as an adjuvant therapy for breast cancer (BC) prevention in several groups of individuals at high risk for this disease. Melatonin, as a result of its antiestrogenic and antioxidant properties, as well as its ability to improve the efficacy and reduce the side effects of conventional antiestrogens, could safely be associated with the antiestrogenic drugs presently in use. In individuals at risk of BC due to night shift work, the light-induced inhibition of melatonin secretion, with the consequent loss of its antiestrogenic effects, would be countered by administering this neurohormone...
February 6, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29414638/obesity-surgery-and-risk-of-colorectal-and-other-obesity-related-cancers-an-english-population-based-cohort-study
#8
Ariadni Aravani, Amy Downing, James D Thomas, Jesper Lagergren, Eva J A Morris, Mark A Hull
BACKGROUND: The association between obesity surgery (OS) and cancer risk remains unclear. We investigated this association across the English National Health Service. A population-based Swedish study has previously suggested that OS may increase the risk of developing colorectal cancer (CRC). METHODS: A retrospective observational study of individuals who underwent OS (surgery cohort) or diagnosed with obesity, but had no OS (no-surgery cohort) (1997-2013) were identified using Hospital Episode Statistics...
February 1, 2018: Cancer Epidemiology
https://www.readbyqxmd.com/read/29414393/complete-sequence-of-the-atp6-and-nd3-mitochondrial-genes-in-breast-cancer-tissue-of-postmenopausal-women-with-different-body-mass-indexes
#9
Mónica Martínez-Ramírez, Ramón Mauricio Coral-Vázquez, Alberto Tenorio, Juan Pablo Méndez, Jesús Benítez-Granados, Antonio Maffuz Asis, Sergio Rodríguez Cuevas, Carlos Domínguez Reyes, Aura Erazo-Valle, Patricia Canto
Due to the fact that mitochondrial defects and oxidative stress have been related with obesity and breast cancer is more aggressive in women with obesity, we investigated if postmenopausal Mexican-Mestizo women with breast cancer presented somatic mutations in the sequence of the ATP6 and/or ND3 genes. Twenty one postmenopausal Mexican-Mestizo women with breast cancer who underwent mastectomy or breast conserving surgery were studied. Height and weight were used to calculate body mass index. DNA from tumor tissue samples and blood leukocytes was amplified by polymerase chain reaction and sequenced the ATP6 and ND3 mitochondrial genes...
February 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29405562/low-bmi-is-correlated-with-increased-tgf-%C3%AE-and-il-10-mrna-levels-in-the-peripheral-blood-of-breast-cancer-patients
#10
Chao Liu, Qian Wang, Bing Sun, Xiangying Meng, Lan Li, Liuchun Yang, Yang Cong, Jiannan Liu, Liang Xuan, Yan Huang, Shikai Wu
Transforming growth factor-β (TGF-β), interleukin-10 (IL-10), and forkhead box P3 (Foxp3) have important roles in breast cancer development. Previous studies confirmed a correlation between these immune molecules and tumor characteristics, but their association with nutritional status in breast cancer is largely unknown. We aimed to investigate the association between body mass index (BMI), hemoglobin, total protein, albumin, globulin (GLB), albumin/GLB ratio (AGR), pre-albumin, prognostic nutritional index, and TGF-β, IL-10, and Foxp3 mRNA expression in patients with breast cancer...
February 5, 2018: IUBMB Life
https://www.readbyqxmd.com/read/29401621/il-10-suppresses-tnf-%C3%AE-induced-expression-of-human-aromatase-gene-in-mammary-adipose-tissue
#11
Gabriela Martínez-Chacón, Kristy A Brown, Maria M Docanto, Himanshu Kumar, Seppo Salminen, Niina Saarinen, Sari Mäkelä
White adipose tissue inflammation is linked with increased aromatase gene expression and estrogen production, a major risk factor for breast cancer in obese postmenopausal women. TNF-α, a proinflammatory cytokine, is a key driver of aromatase promoter I.4-mediated expression in adipose tissue. In this study, we have shown that IL-10, an anti-inflammatory cytokine, suppressed both TNF-α-stimulated human aromatase reporter-luciferase (hARO-Luc) expression in mouse bone marrow mesenchymal stromal cells and aromatase gene expression in human breast adipose stromal cells (ASCs)...
January 23, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29394547/-a-case-of-inflammatory-breast-cancer-with-very-severe-obesity
#12
Yasuhiro Toyoda, Shigeyuki Hojo, Setsuko Yoshioka, Toshiki Noma, Hiroki Matsunaga, Hiromichi Miyagaki, Hisashi Nishida, Tatsushi Shingai, Osamu Takayama, Takayuki Fukuzaki, Hiroaki Ohigashi, Yoshiichi Maeura, Motomu Tsuji
A 39-year-old woman with very sever obesity was admitted to our hospital for a right breast redness and hardness. Her height, weight and BMI were 166 cm, 145 kg and 52.6 kg/m2. Her breast had peau d'orange. CT scan showed swelling of whole right breast and Level I , II lymph node. We performed core needle biopsy and diagnosed as the inflammatory breast cancer with ER and HER2 positive. We introduced chemotherapy(pertuzumab, trastuzumab and paclitaxel)and nutrition counseling in order to reduce her body weight...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29389973/adipocyte-breast-cancer-cell-crosstalk-in-obesity-interferes-with-the-anti-proliferative-efficacy-of-tamoxifen
#13
Lauriane Bougaret, Laetitia Delort, Hermine Billard, Camille Le Huede, Céline Boby, Anne De la Foye, Adrien Rossary, Ali Mojallal, Odile Damour, Céline Auxenfans, Marie Paule Vasson, Florence Caldefie-Chezet
BACKGROUND: Obesity is a well-known risk factor of breast cancer in post-menopausal women that also correlates with a diminished therapeutic response. The influence of adipocytes and their secretome, i.e. adipokines, on the efficacy of hormone therapy has yet to be elucidated. METHODS: We investigated, ex vivo, whether mature adipocytes, differentiated from adipose stem cells of normal-weight (MA20) or obese (MA30) women, and their secretions, were able to counteract the effects of tamoxifen (Tx) which is known to decrease neoplastic cell proliferation...
2018: PloS One
https://www.readbyqxmd.com/read/29388687/interventions-for-weight-reduction-in-obesity-to-improve-survival-in-women-with-endometrial-cancer
#14
REVIEW
Sarah Kitson, Neil Ryan, Michelle L MacKintosh, Richard Edmondson, James Mn Duffy, Emma J Crosbie
BACKGROUND: Diagnoses of endometrial cancer are increasing secondary to the rising prevalence of obesity. Obesity plays an important role in promoting the development of endometrial cancer, by inducing a state of unopposed oestrogen excess, insulin resistance and inflammation. It also affects treatment, increasing the risk of surgical complications and the complexity of radiotherapy planning, and may additionally impact on subsequent survival. Weight-loss interventions have been associated with improvements in breast and colorectal cancer-specific survival as well as a reduction in the risk of cardiovascular disease, a frequent cause of death in endometrial cancer survivors...
February 1, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29384865/postoperative-outcomes-of-breast-reconstruction-after-mastectomy-a-retrospective-study
#15
Qinghong Qin, Qixing Tan, Bin Lian, Qinguo Mo, Zhen Huang, Changyuan Wei
Breast reconstruction after mastectomy plays an active role in improving the quality-of-life (QoL) and alleviating the psychological trauma of breast cancer patients, and has become an indispensable part of the comprehensive treatment in breast cancer. However, compared with mastectomy alone, breast reconstruction also increase operative complications. The surgical, oncological outcomes, and cosmetic effect of breast reconstruction remains to be evaluated. Data for patients with breast cancer who underwent breast reconstruction after mastectomy from February 2009 to November 2015 in our hospital were retrospectively analyzed, with a median follow-up time of 44 months...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29383194/combined-effect-of-obesity-and-diabetes-on-early-breast-cancer-outcome-a-prospective-observational-study
#16
Giuseppe Buono, Anna Crispo, Mario Giuliano, Carmine De Angelis, Francesco Schettini, Valeria Forestieri, Rossella Lauria, Matilde Pensabene, Michelino De Laurentiis, Livia Silvia Adriana Augustin, Alfonso Amore, Massimiliano D'Aiuto, Raffaele Tortoriello, Antonello Accurso, Ernesta Cavalcanti, Gerardo Botti, Maurizio Montella, Sabino De Placido, Grazia Arpino
Background: Previous studies suggested that obesity and diabetes were correlated with breast cancer outcome. The aim of the present study was to investigate the prognostic effect of obesity and diabetes on the outcome of early breast cancer patients. Materials and Methods: Overall, 841 early breast cancer patients were prospectively enrolled between January 2009 and December 2013. Study population was divided into four groups: (1) patients without obesity or diabetes; (2) patients with only diabetes; (3) patients with only obesity; and (4) patients with both diabetes and obesity...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29382506/klinefelter-syndrome-more-than-hypogonadism
#17
REVIEW
George A Kanakis, Eberhard Nieschlag
Klinefelter syndrome (KS) is the most frequent chromosome disorder in males (1:650 newborn males), defined by 47,XXY karyotype. The classical phenotype is that of a tall male with relatively long legs, small, firm testes and gynecomastia. Azoospermia and infertility are almost inevitably present, but may be overcome by TESE and ICSI. Nevertheless, a broad spectrum of phenotypes has been described and >70% of the actually existing KS men may remain undiagnosed throughout their lifespan. Accordingly, hypogonadism is usually not evident until early adulthood and progresses with ageing...
January 27, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29371278/association-between-body-mass-index-and-obesity-related-cancer-risk-in-men-and-women-with-type-2-diabetes-in-primary-care-in-the-netherlands-a-cohort-study-zodiac-56
#18
Steven H Hendriks, Dennis Schrijnders, Kornelis Jj van Hateren, Klaas H Groenier, Sabine Siesling, Angela H E M Maas, Gijs W D Landman, Henk J G Bilo, N Kleefstra
OBJECTIVE: To investigate the relationship between body mass index (BMI) and obesity-related cancers in men and women with type 2 diabetes (T2D). DESIGN: Observational cohort study. SETTING: Primary care. PARTICIPANTS: A total of 52 044 patients with T2D who participated in the ZODIAC (Zwolle Outpatient Diabetes project Integrating Available Care) study between 1998 and 2012 was included (49% women). A dataset of these patients was linked to available information of the Netherlands Cancer Registry to obtain data on cancer incidents...
January 24, 2018: BMJ Open
https://www.readbyqxmd.com/read/29370783/breast-cancer-risk-in-a-screening-cohort-of-asian-and-white-british-irish-women-from-manchester-uk
#19
D Gareth Evans, Adam R Brentnall, Michelle Harvie, Susan Astley, Elaine F Harkness, Paula Stavrinos, Louise S Donnelly, Sarah Sampson, Faiza Idries, Donna Watterson, Jack Cuzick, Mary Wilson, Anil Jain, Fiona Harrison, Anthony J Maxwell, Anthony Howell
BACKGROUND: The differences between breast cancer risk factors in white British/Irish and Asian women attending screening in the UK are not well documented. METHODS: Between 2009-15 ethnicity and traditional breast cancer risk factors were self-identified by a screening cohort from Greater Manchester, with follow up to 2016. Risk factors and incidence rates were compared using age-standardised statistics (European standard population). RESULTS: Eight hundred and seventy-nine Asian women and 51,779 unaffected white British/Irish women aged 46-73 years were recruited...
January 25, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29370782/leptin-induced-er-%C3%AE-positive-breast-cancer-cell-viability-and-migration-is-mediated-by-suppressing-ccn5-signaling-via-activating-jak-akt-stat-pathway
#20
Inamul Haque, Arnab Ghosh, Seth Acup, Snigdha Banerjee, Kakali Dhar, Amitabha Ray, Sandipto Sarkar, Suman Kambhampati, Sushanta K Banerjee
BACKGROUND: In menopausal women, one of the critical risk factors for breast cancer is obesity/adiposity. It is evident from various studies that leptin, a 16 kDa protein hormone overproduced in obese people, plays the critical role in neovascularization and tumorigenesis in breast and other organs. However, the mechanisms by which obesity influences the breast carcinogenesis remained unclear. In this study, by analyzing different estrogen receptor-α (ER-α)-positive and ER-α-negative BC cell lines, we defined the role of CCN5 in the leptin-mediated regulation of growth and invasive capacity...
January 25, 2018: BMC Cancer
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