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diet prostate cancer

A P Kassianos, M M Raats, H Gage
This article aims to investigate associations between perceived control and health-related quality of life (HRQOL) with dietary changes after prostate cancer diagnosis and to explore General Practitioners' (GPs) perceptions on the role of diet in prostate cancer post-diagnosis. Ninety-five prostate cancer patients completed measures of dietary change, one for after diagnosis and another for after therapy. They also scored their HRQOL and perceived control. There were discrepancies in dietary changes reported between a general question (28...
October 24, 2016: European Journal of Cancer Care
Wei Lu, Hanwen Chen, Yuequn Niu, Han Wu, Dajing Xia, Yihua Wu
BACKGROUND: Dairy products are major components of daily diet and the association between consumption of dairy products and public health issues has captured great attention. In this study, we conducted a meta-analysis to investigate the association between dairy products intake and cancer mortality risk. METHODS: After a literature search in PubMed and EMBASE, 11 population-based cohort studies involving 778,929 individuals were considered eligible and included in the analyses...
October 21, 2016: Nutrition Journal
Sanna Nybacka, Heléne Bertéus Forslund, Maria Hedelin
A diet questionnaire (DQ) designed to assess habitual diet and phyto-oestrogen intake was developed. This study aimed to examine the validity of the DQ in men, with and without having prostate cancer. The DQ was validated against alkylresorcinol metabolites measured in urine as objective biomarkers of whole grain wheat and rye (WG) intake, and a 4-d estimated food record (FR) was used for relative comparison. Participants (n 61) completed both methods and provided spot urine samples. We found a statistically significant correlation between the DQ and FR for reported whole grain intake and isoflavonoids, as well as for intake of macronutrients, except protein...
2016: Journal of Nutritional Science
Sebastian T Soukup, Dennis R Müller, Anne Kurrat, Patrick Diel, Sabine E Kulling
Genistein and daidzein are the main isoflavones in soy. Their potential beneficial or adverse effects in males like the prevention of prostate cancer or the impact on reproductive functions are controversially discussed. Major determinants of their bioactivity are the absorption and biotransformation of isoflavones. In this study, we focused on the influence of testosterone on plasma availability and phase II metabolism of isoflavones. Male Wistar rats, receiving an isoflavones rich diet, were randomized into three groups: Two groups were orchiectomized (ORX) at postnatal day (PND) 80 and treated for 11 days with testosterone propionate (TP) (ORX TP group) or a vehicle (ORX group) after a 7 days lasting hormonal decline...
October 14, 2016: Archives of Toxicology
Stine Krogh Steffensen, Hans Albert Pedersen, Khem B Adhikari, Bente Birgitte Laursen, Elena-Claudia Jensen, Søren Høyer, Michael Borre, Helene Holm Pedersen, Mette Borre, David Edwards, Inge S Fomsgaard
Rye bread contains high amounts of benzoxazinoids and in vitro studies have shown suppressive effects of selected benzoxazinoids on prostate cancer cells. Thus research into benzoxazinoids as possible suppressors of prostate cancer is demanded. A pilot study was performed in which ten prostate cancer patients received a rye-enriched diet one week prior to prostatectomy. Plasma and urine samples were collected pre- and post-intervention. Ten prostate biopsies were obtained from each patient and histologically evaluated...
October 10, 2016: Journal of Agricultural and Food Chemistry
J Godos, F Bella, S Sciacca, F Galvano, G Grosso
BACKGROUND: Vegetarian diets may be associated with certain benefits toward human health, although current evidence is scarce and contrasting. In the present study, a systematic review and meta-analysis of prospective cohort studies was performed with respect to the association between vegetarian diets and breast, colorectal and prostate cancer risk. METHODS: Studies were systematically searched in Pubmed and EMBASE electronic databases. Eligible studies had a prospective design and compared vegetarian, semi- and pesco-vegetarian diets with a non-vegetarian diet...
October 6, 2016: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
Kathryn M Wilson, Lorelei A Mucci, Bettina F Drake, Mark A Preston, Meir J Stampfer, Edward L Giovannucci, Adam S Kibel
Little information exists on diet and prostate cancer progression. We examined the association between intakes of total red meat, processed and unprocessed red meat, poultry, fish, and eggs and prostate cancer recurrence. We conducted a prospective study of 971 men treated with radical prostatectomy for prostate cancer between 2003-2010. Men completed a food frequency questionnaire at diagnosis. We used logistic regression to study the association between diet and high grade or advanced stage disease. We used Cox models to study the risk of progression (N=94 events, mainly PSA recurrence)...
September 20, 2016: Cancer Prevention Research
Joshua William Smith, Nikki A Ford, Jennifer M Thomas-Ahner, Nancy E Moran, Eric C Bolton, Matthew A Wallig, Steven K Clinton, John W Erdman
β-carotene-15,15'-dioxygenase (BCO1) cleaves dietary carotenoids at the central 15,15' double bond, most notably acting on β-carotene to yield retinal. However, Bco1 disruption also impacts diverse physiologic endpoints independent of dietary carotenoid feeding, including expression of genes controlling androgen metabolism. Using the Bco1(-/-) mouse model, we sought to probe the effects of Bco1 disruption on testicular steroidogenesis, prostatic androgen signaling, and prostatic proliferation. Male wild-type (WT) and Bco1(-/-) mice were raised on carotenoid-free AIN-93G diets before euthanasia between 10-14 weeks of age...
September 14, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Matteo Ferro, Daniela Terracciano, Carlo Buonerba, Giuseppe Lucarelli, Danilo Bottero, Sisto Perdonà, Riccardo Autorino, Alessandro Serino, Francesco Cantiello, Rocco Damiano, Iulia Andras, Sabino De Placido, Giuseppe Di Lorenzo, Michele Battaglia, Barbara A Jereczek-Fossa, Vincenzo Mirone, Ottavio De Cobelli
Obesity is associated with an increased risk of a number of serious medical conditions, including cancer. As far as prostate cancer is concerned, obesity is associated with an increased risk of high-grade tumors, which is possibly related to lower androgen levels. Diet may also affect prostate cancer risk since countries with a higher dietary fat intake also present higher prostate cancer mortality rates. Interestingly, prostate cancer is associated with a number of metabolic alterations that may provide valuable diagnostic and therapeutic targets...
September 14, 2016: Future Oncology
A Wolk
Red meat (beef, veal, pork, lamb and mutton) consumption contributes several important nutrients to the diet, for example essential amino acids, vitamins (including B12) and minerals (including iron and zinc). Processed red meat (ham, sausages, bacon, frankfurters, salami, etc.) undergoes treatment (curing, smoking, salting or the use of chemical preservatives and additives) to improve its shelf life and/or taste. During recent decades, consumption of red meat has been increasing globally, especially in developing countries...
September 6, 2016: Journal of Internal Medicine
Mark A Moyad, Robert U Newton, Ulf W Tunn, Damian Gruca
Improved diagnosis and treatment regimens have resulted in greater longevity for men with prostate cancer. This has led to an increase in both androgen deprivation therapy (ADT) use and duration of exposure, and therefore to its associated adverse effects, such as sexual dysfunction, osteoporosis, reduced muscle mass, increased fat mass, and increased incidence of cardiovascular disease and type 2 diabetes. Given that the adverse effects of ADT are systemic, often debilitating, and difficult to treat, efforts continue in the development of new strategies for long-term management of prostate cancer...
2016: Research and Reports in Urology
Amy Schleper, Debra K Sullivan, J Brantley Thrasher, Jeffrey M Holzbeierlein, Jennifer Klemp, Christie Befort, Jill M Hamilton-Reeves
Obese men have a higher rate of prostate cancer-related death than non-obese men, and obesity increases the risk of prostate cancer progression and biochemical recurrence. The purpose of this study was to assess needs and interests of men for a technology-driven weight loss intervention to reduce prostate cancer risk. We distributed a survey collecting demographic characteristics, health history, exercise and eating habits (and perception of those habits), current and prior attempts of health behavior change, and technology use...
May 2016: Cancer and Clinical Oncology
Maria Vittoria Sepporta, Raffaela Fuccelli, Patrizia Rosignoli, Giovanni Ricci, Maurizio Servili, Roberto Fabiani
Previous studies have shown that the precursor of olive oil secoiridoids, Oleuropein (OL) has several in vitro chemopreventive properties. OL inhibits proliferation and induces apoptosis in breast, thyroid, prostate, and colorectal cancer (CRC) cells. Much less is known about the effects of OL on animal models of carcinogenesis. In this study, we investigated the ability of OL to prevent the azoxymethane (AOM)-induced colon cancer upset and DNA damage in mice. Animals, fed with a basal diet either enriched or not with OL (125 mg/kg), were injected with AOM (10 mg/kg, once a week for 6 weeks) and sacrificed after either 7 weeks for histological analysis of colon crypt dysplasia and evaluation of DNA damage in leukocytes or 17 weeks for counting the macroscopically observable colon tumors...
August 19, 2016: Journal of Medicinal Food
J L Cameron, R Jain, M Rais, A E White, T M Beer, P Kievit, K Winters-Stone, I Messaoudi, O Varlamov
BACKGROUND/OBJECTIVES: Androgen deprivation therapy (ADT) is commonly used for treatment of prostate cancer, but is associated with side effects such as sarcopenia and insulin resistance. The role of lifestyle factors such as diet and exercise on insulin sensitivity and body composition in testosterone-deficient males is poorly understood. The aim of the present study was to examine the relationships between androgen status, diet, and insulin sensitivity. SUBJECTS/METHODS: Middle-aged (11-12-yo) intact and orchidectomized male rhesus macaques were maintained for two months on a standard chow diet, and then exposed for six months to a Western-style, high-fat/calorie-dense diet (WSD) followed by four months of caloric restriction (CR)...
August 18, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
Sam F Peisch, Erin L Van Blarigan, June M Chan, Meir J Stampfer, Stacey A Kenfield
PURPOSE: To review and summarize evidence on the role of diet and lifestyle factors and prostate cancer progression, with a specific focus on habits after diagnosis and the risk of subsequent disease recurrence, progression, or death. METHODS: Given the well-documented heterogeneity of prostate cancer and the long survivorship of the majority of diagnoses, our goal was to summarize and describe modifiable risk factors for clinically relevant prostate cancer. We focused where possible on epidemiologic studies of post-diagnostic habits and prostate cancer progression, defined as recurrence (e...
August 12, 2016: World Journal of Urology
M L Federico, M A Schmidt
There is an increasing demand for carotenoids, which are fundamental components of the human diet, for example as precursors of vitamin A. Carotenoids are also potent antioxidants and their health benefits are becoming increasingly evident. Protective effects against prostate cancer and age-related macular degeneration have been proposed for lycopene and lutein/zeaxanthin, respectively. Additionally, β-carotene, astaxanthin and canthaxanthin are high-value carotenoids used by the food industry as feed supplements and colorants...
2016: Sub-cellular Biochemistry
Maryam Amiri, Faranak Kazerouni, Saeed Namaki, Hassan Darbandi Tamijani, Hooman Rahimipour, Nasrin Boroumand, Siyamak Barghi, Nazanin Ebrahimi, Seyed Mohammad Gheibi Hayat
BACKGROUND: It is extensively supposed that vegetarian diet could affect cancer progress and increase the influence of formal chemotherapy. OBJECTIVES: The present study was designed to determine the effect of the ethanol Bane skin extract against chemo resistant prostate cancer PC3 cells. MATERIALS AND METHODS: PC3 and L929 cells were cultivated and then incubated in the ethanol Bane skin extract with various concentrations of 0.78, 1.5, 3...
April 2016: Iranian Journal of Cancer Prevention
Sandaly O S Pacheco, Fabio J Pacheco, Gimena M J Zapata, Julieta M E Garcia, Carlos A Previale, Héctor E Cura, Winston J Craig
Cancer is the second most important non-communicable disease worldwide and disproportionately impacts low- to middle-income countries. Diet in combination with other lifestyle habits seems to modify the risk for some cancers but little is known about South Americans. Food habits of Argentinean men pre- and post-diagnosis of prostate cancer (n = 326) were assessed along with other lifestyle factors. We studied whether any of the behaviors and risk factors for prostate cancer were found in men with other cancers (n = 394), compared with control subjects (n = 629)...
2016: Nutrients
Ingvild Paur, Wolfgang Lilleby, Siv Kjølsrud Bøhn, Erik Hulander, Willibrord Klein, Ljiljana Vlatkovic, Karol Axcrona, Nils Bolstad, Trine Bjøro, Petter Laake, Kristin A Taskén, Aud Svindland, Lars Magne Eri, Bjørn Brennhovd, Monica H Carlsen, Sophie D Fosså, Sigbjørn S Smeland, Anette S Karlsen, Rune Blomhoff
BACKGROUND & AIMS: The effect of lycopene-containing foods in prostate cancer development remains undetermined. We tested whether a lycopene-rich tomato intervention could reduce the levels of prostate specific antigen (PSA) in prostate cancer patients. METHODS: Prior to their curative treatment, 79 patients with prostate cancer were randomized to a nutritional intervention with either 1) tomato products containing 30 mg lycopene per day; 2) tomato products plus selenium, omega-3 fatty acids, soy isoflavones, grape/pomegranate juice, and green/black tea (tomato-plus); or 3) control diet for 3 weeks...
June 30, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Kjell M Russnes, Elisabeth Möller, Kathryn M Wilson, Monica Carlsen, Rune Blomhoff, Sigbjørn Smeland, Hans-Olov Adami, Henrik Grönberg, Lorelei A Mucci, Katarina Bälter
BACKGROUND: The total intake of dietary antioxidants may reduce prostate cancer risk but available data are sparse and the possible role of supplements unclear. We investigated the potential association between total and dietary antioxidant intake and prostate cancer in a Swedish population. METHODS: We used FFQ data from 1499 cases and 1112 controls in the population based case-control study Cancer of the Prostate in Sweden (CAPS). The ferric reducing antioxidant potential (FRAP) assay was used to assess the total antioxidant capacity (TAC) of diet and supplements...
2016: BMC Cancer
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