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Diet and cancer

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https://www.readbyqxmd.com/read/28098955/the-impact-of-childhood-cancer-perceptions-of-adult-survivors
#1
Victoria W Willard, James L Klosky, Chenghong Li, Deo Kumar Srivastava, Tara M Brinkman, Leslie L Robison, Melissa M Hudson, Sean Phipps
BACKGROUND: The objective of this study was to describe perceptions and associated risk factors of the impact of cancer on functional outcomes, including social relationships, exercise, finances, and religion, among adult survivors of childhood cancer. METHODS: Evaluable participants included 3001 adult survivors (mean age, 32.5 years; range, 18.3-63.8 years; 24.1 years from diagnosis; 50.8% male; 84.9% Caucasian) who were enrolled in the St. Jude Lifetime Cohort study...
January 18, 2017: Cancer
https://www.readbyqxmd.com/read/28098913/diets-link-metabolic-syndrome-and-colorectal-cancer-development-review
#2
Jirakrit Saetang, Surasak Sangkhathat
Diets have been believed to be an important factor in the development of metabolic syndrome and colorectal cancer (CRC). In recent years, many studies have shown an intimate relationship between mucosal immunity, metabolism and diets, which has led to a greater understanding of the pathophysiology of metabolic syndrome and CRC development. Although the precise effects of diets on oncogenesis have not been compl-etely elucidated, microbiota changes and inflammation are believed to be important factors that influence the development of CRC...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28097452/toward-the-optimal-strategy-for-sustained-weight-loss-in-overweight-cancer-survivors-a-systematic-review-of-the-literature
#3
REVIEW
Meeke Hoedjes, Maartje M van Stralen, Sheena Tjon A Joe, Matti Rookus, Flora van Leeuwen, Susan Michie, Jacob C Seidell, Ellen Kampman
PURPOSE: To gain more insight into the optimal strategy to achieve weight loss and weight loss maintenance in overweight and obese cancer survivors after completion of initial treatment, this systematic review aimed to provide an overview of the literature on intervention effects on weight, to describe intervention components used in effective interventions, to identify and synthesize behaviour change techniques (BCTs) and to assess the frequency with which these BCTs were used in effective interventions...
January 18, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28096236/inhibitory-effects-of-%C3%AE-and-%C3%AE-tocopherols-on-estrogen-stimulated-breast-cancer-in-vitro-and-in-vivo
#4
Min Ji Bak, Soumyasri Das Gupta, Joseph Wahler, Hong Jin Lee, Xiaowei Li, Mao-Jung Lee, Chung S Yang, Nanjoo Suh
Estrogens have been implicated as complete carcinogens for breast and other tissues through mechanisms involving increased cell proliferation, oxidative stress and DNA damage. Because of their potent antioxidant activity and other effects, tocopherols have been shown to exert anti-tumor activities in various cancers. However, limited information is available on the effect of different forms of tocopherols in estrogen-mediated breast cancer. To address this, we examined the effects of α-, γ- and δ-tocopherols as well as a natural γ-tocopherol rich mixture of tocopherols, γ-TmT, on estrogen-stimulated MCF-7 cells in vitro and in vivo...
January 17, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28096133/regulation-of-the-iron-homeostatic-hormone-hepcidin
#5
REVIEW
Veena Sangkhae, Elizabeta Nemeth
Iron is required for many biological processes but is also toxic in excess; thus, body iron balance is maintained through sophisticated regulatory mechanisms. The lack of a regulated iron excretory mechanism means that body iron balance is controlled at the level of absorption from the diet. Iron absorption is regulated by the hepatic peptide hormone hepcidin. Hepcidin also controls iron release from cells that recycle or store iron, thus regulating plasma iron concentrations. Hepcidin exerts its effects through its receptor, the cellular iron exporter ferroportin...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28095274/protein-intake-and-breast-cancer-survival-in-the-nurses-health-study
#6
Michelle D Holmes, Jun Wang, Susan E Hankinson, Rulla M Tamimi, Wendy E Chen
Purpose Greater protein intake has been associated with better breast cancer survival in several prospective studies, including among 1,982 women in the Nurses' Health Study. We proposed to extend this previous finding. We hypothesized that protein, essential amino acid, branched-chain amino acid, and leucine intakes are associated with improved survival and that these associations are stronger in tumors expressing insulin receptor (IR). Patients and Methods We included 6,348 women diagnosed with stage I to III breast cancer between 1976 and 2004...
January 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28094560/systemic-metabolite-changes-in-wild-type-c57bl-6-mice-fed-black-raspberries
#7
Pan Pan, Chad W Skaer, Hsin-Tzu Wang, Michael A Kreiser, Steven M Stirdivant, Kiyoko Oshima, Yi-Wen Huang, Matthew R Young, Li-Shu Wang
INTRODUCTION: Freeze-dried black raspberries (BRBs) elicit chemopreventive effects against colorectal cancer in humans and in rodents. The objective of this study was to investigate potential BRB-caused metabolite changes using wild-type (WT) C57BL/6 mice. METHODS AND RESULTS: WT mice were fed either control diet or control diet supplemented with 5% BRBs for 8 wk. A nontargeted metabolomic analysis was conducted on colonic mucosa, liver, and fecal specimens collected from both diet groups...
January 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28094554/impact-of-phytochemicals-and-dietary-patterns-on-epigenome-and-cancer
#8
Wissam Zam, Aziz Khadour
Cancer remains one of the leading causes of death around the world. Initially it is recognized as a genetic disease, but now it is known to involve epigenetic abnormalities along with genetic alterations. Epigenetics refers to heritable changes that are not encoded in the DNA sequence itself, but play an important role in the control of gene expression. It includes changes in DNA methylation, histone modifications, and RNA interference. Although it is heritable, environmental factors such as diet could directly influence epigenetic mechanisms in humans...
January 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28093985/ketogenic-diet-and-other-dietary-intervention-strategies-in-the-treatment-of-cancer
#9
Matteo Vergati, Eriseld Krasniqi, Girolamo Del Monte, Silvia Riondino, Doriana Vallone, Fiorella Guadagni, Patrizia Ferroni, Mario Roselli
Pre-clinical and clinical studies have investigated the role of a dysregulated metabolism in the sustainability of tumor initiation and progression. One of the most familiar metabolic alterations encountered in several types of cancers is the upregulation of glycolysis, which is also maintained in conditions of normal oxygen tension (aerobic glycolysis, Warburg effect) while oxidative phosphorylation is apparently reduced. As a result, cancer cells convert most incoming glucose to lactate. Although more rapid, adenosine triphosphate (ATP) production by glycolysis is less efficient in terms of ATP generated per unit of glucose consumed than oxidative phosphorylation...
January 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28092746/supranutritional-selenium-intake-from-enriched-milk-casein-impairs-hepatic-insulin-sensitivity-via-attenuated-irs-pi3k-akt-signaling-and-decreased-pgc-1%C3%AE-expression-in-male-sprague-dawley-rats
#10
Priska Stahel, Julie J Kim, Scott R L Cieslar, Jenny M Warrington, Changting Xiao, John P Cant
Selenium (Se)-enriched milk provides antioxidant benefits and has therapeutic potential against cancer. However, both antidiabetic and prodiabetic effects have been attributed to Se. Our objective was to evaluate the effect of Se-enriched milk casein on insulin sensitivity in rats when given at the requirement of 0.25 ppm Se and supranutritionally on both low- and high-fat diets. Two hundred sixteen male Sprague-Dawley rats were fed low- or high-fat diets containing one, two or eight times the Se requirement in a randomized block design...
January 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28092161/estimation-of-ellagic-acid-and-or-repaglinide-effects-on-insulin-signaling-oxidative-stress-and-inflammatory-mediators-of-liver-pancreas-adipose-tissue-and-brain-in-insulin-resistant-type-2-diabetic-rats
#11
Mohamed M Amin, Mahmoud S Arbid
Even though ellagic acid has previously been valued in many models of cancer, so far its full mechanistic effect as a natural antiapoptotic agent in the prevention of type 2 diabetes complications has not been completely elucidated, which was the goal of this study. We fed albino rats a high-fat fructose diet (HFFD) for 2 months to induce insulin resistance/type 2 diabetes and then treated the rats with ellagic acid (10 mg/kg body weight, orally) and/or repaglinide (0.5 mg/kg body weight, orally) for 2 weeks...
October 21, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28089726/hne-and-cholesterol-oxidation-products-in-colorectal-inflammation-and-carcinogenesis
#12
Daniela Rossin, Simone Calfapietra, Barbara Sottero, Giuseppe Poli, Fiorella Biasi
Consistent experimental data suggest the importance of inflammation-associated oxidative stress in colorectal cancer (CRC) pathogenesis. Inflammatory bowel disease with chronic intestinal inflammation is now considered a precancerous condition. Oxidative stress is an essential feature of inflammation. Activation of redox-sensitive pro-inflammatory cell signals and inflammatory mediators concur to establish a pro-tumoral environment. In this frame, lipid oxidation products, namely 4-hydroxynonenal and oxysterols, can be produced in big quantity so as to be able to exert their function as inducers of cell signaling pathways of proliferation and survival...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28089569/prevention-of-dietary-fat-fueled-ketogenesis-attenuates-braf-v600e-tumor-growth
#13
Siyuan Xia, Ruiting Lin, Lingtao Jin, Liang Zhao, Hee-Bum Kang, Yaozhu Pan, Shuangping Liu, Guoqing Qian, Zhiyu Qian, Evmorfia Konstantakou, Baotong Zhang, Jin-Tang Dong, Young Rock Chung, Omar Abdel-Wahab, Taha Merghoub, Lu Zhou, Ragini R Kudchadkar, David H Lawson, Hanna J Khoury, Fadlo R Khuri, Lawrence H Boise, Sagar Lonial, Benjamin H Lee, Brian P Pollack, Jack L Arbiser, Jun Fan, Qun-Ying Lei, Jing Chen
Lifestyle factors, including diet, play an important role in the survival of cancer patients. However, the molecular mechanisms underlying pathogenic links between diet and particular oncogenic mutations in human cancers remain unclear. We recently reported that the ketone body acetoacetate selectively enhances BRAF V600E mutant-dependent MEK1 activation in human cancers. Here we show that a high-fat ketogenic diet increased serum levels of acetoacetate, leading to enhanced tumor growth potential of BRAF V600E-expressing human melanoma cells in xenograft mice...
January 9, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28086943/a-lifestyle-intervention-among-elderly-men-on-active-surveillance-for-non-aggressive-prostate-cancer-a-randomised-feasibility-study-with-whole-grain-rye-and-exercise
#14
Anne Kirstine Eriksen, Rikke Dalgaard Hansen, Michael Borre, Ryan Godsk Larsen, Jeppe Munthe Jensen, Kristian Overgaard, Mette Borre, Cecilie Kyrø, Rikard Landberg, Anja Olsen, Anne Tjønneland
BACKGROUND: The prognosis for men with non-aggressive prostate cancer is good, and several studies have investigated the impact of lifestyle changes including physical activity and diet on the prognosis. Despite positive results in animal studies and a few human interventions with whole-grain rye on markers of prostate cancer progression, the feasibility of trials investigating such dietary changes in combination with physical activity remains largely unstudied. The primary aim was to investigate the feasibility of an intervention with high whole-grain rye intake and vigorous physical activity for 6 months in men diagnosed with prostate cancer...
January 13, 2017: Trials
https://www.readbyqxmd.com/read/28079008/walking-a-tightrope-a-perspective-of-resveratrol-effects-on-breast-cancer
#15
Caterina Bartolacci, Cristina Andreani, Augusto Amici, Cristina Marchini
It is an acknowledged fact that health benefits are derived from fruit- and vegetables-enriched diets. In particular, polyphenols, compounds bearing one or more hydroxyl groups attached to an aromatic ring, are ascribed for most of such beneficial effects. Among them, resveratrol, a phytoalexin found in numerous plant species, and more notably in grapes, has widely piqued the interest of the scientific community by virtue of its anti-aging, anti-inflammatory and anti-oxidant properties. Moreover, evidence claiming resveratrol ability to hinder processes underlying all the three steps of carcinogenesis (tumor initiation, progression and metastasization) has propelled an incredibly massive number of studies aimed at enquiring its eventual clinical potential in the fight against cancer...
January 11, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28078982/phytochemicals-a-novel-and-prominent-source-of-anti-cancer-drugs-against-colorectal-cancer
#16
Ravikiran Mahadevappa, Hang Fai Kwok
Colorectal cancer (CRC) is a malignant disease whose incidence and mortality rates are greatly influenced by environmental factors. Under-treatment of CRC such as a poor diagnostic evaluation, less aggressive surgery, less intensive chemotherapy results in metastasizing of the primary tumor cells and recurrence of cancer. Prolonged chemotherapy treatment against cancer is hazardous to the patients, which also limits its use in cancer therapy. Current research in developing a novel anti-cancer agent, direct towards finding a better anti-metastatic and an anti-invasive drug with reduced side effects...
January 12, 2017: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/28078657/racial-and-ethnic-differences-in-dietary-intake-physical-activity-and-body-mass-index-bmi-among-cancer-survivors-2005-and-2010-national-health-interview-surveys-nhis
#17
Doratha A Byrd, Tanya Agurs-Collins, David Berrigan, Richard Lee, Frances E Thompson
INTRODUCTION: This paper reports racial/ethnic differences in mean dietary and alcohol intake, physical activity, and body mass index (BMI) among cancer survivors and examines adherence to the American Cancer Society and the US Dietary Guidelines for Americans. METHODS: Data are from the cross-sectional 2005 and 2010 National Health Interview Surveys (NHIS). The total sample of cancer survivors (N = 3367) included non-Hispanic Whites (NHW; N = 2698), non-Hispanic Blacks (NHBs; N = 379), and Hispanics (N = 290)...
January 11, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28078502/engagement-in-health-promoting-behaviors-and-patient-caregiver-interdependence-in-dyads-facing-advanced-cancer-an-exploratory-study
#18
Katrina R Ellis, Mary R Janevic, Trace Kershaw, Cleopatra H Caldwell, Nancy K Janz, Laurel Northouse
Diet and exercise are important for the wellbeing of people with cancer and their family caregivers. Unfortunately, little is known about their behaviors over time or factors that may influence their engagement in these behaviors. This exploratory study examined the influence of chronic conditions, symptom distress, and perceived social support on exercise and diet behaviors of patients with advanced cancer and their caregivers using the actor-partner interdependence mediation model (APIMeM) and interdependence theory as guiding frameworks...
January 11, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28077426/nut-consumption-and-lung-cancer-risk-results-from-two-large-observational-studies
#19
Jennifer T Lee, Gabriel Y Lai, Linda M Liao, Amy F Subar, Pier Alberto Bertazzi, Angela C Pesatori, Neal D Freedman, Maria Teresa Landi, Tram Kim Lam
BACKGROUND: Epidemiological evidence on the association between nut consumption and lung cancer risk is limited. METHODS: We investigated this relationship in the Environment And Genetics in Lung cancer Etiology (EAGLE) study, a population-based case-control study, and the National Institutes of Health (NIH) American Association of Retired Persons (AARP) Diet and Health Study, a prospective cohort. We identified 2098 lung cases for EAGLE and 18,533 incident cases in AARP...
January 11, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28076839/chemotherapy-can-induce-weight-normalization-of-morbidly-obese-mice-despite-undiminished-ingestion-of-high-fat-diet
#20
Cheryl E Myers, Dominique B Hoelzinger, Tiffany N Truong, Lindsey A Chew, Arpita Myles, Leena Chaudhuri, Jan B Egan, Jun Liu, Sandra J Gendler, Peter A Cohen
Morbidly obese patients who accomplish substantial weight loss often display a long-term decline in their resting metabolism, causing even relatively restrained caloric intake to trigger a relapse to the obese state. Paradoxically, we observed that morbidly obese mice receiving chemotherapy for cancer experienced spontaneous weight reduction despite unabated ingestion of their high fat diet (HFD). This response to chemotherapy could also be achieved in morbidly obese mice without cancer. Optimally dosed methotrexate (MTX) or cyclophosphamide (CY) enabled the mice to completely and safely normalize their body weight despite continued consumption of obesogenic quantities of HFD...
January 10, 2017: Oncotarget
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