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Cancer and vegetarian

Vutturu Ganga Prasad, Neetinkumar Reddy, Albi Francis, Pawan G Nayak, Anoop Kishore, Krishnadas Nandakumar, Mallikarjuna C Rao, Rekha Shenoy
BACKGROUND: Colon cancer (CC) is the third commonly diagnosed cancer and the second leading cause of mortality in the US when compared to India where prevalence is less. Possible reason could be the vegetarian diet comprising spices used in curry powders. Researchers believe that 70% of the cases are associated with diet. Spices have inherited a rich tradition for their flavor and medicinal properties. Researchers have been oriented towards spices present in food items for their antitumorigenic properties...
July 2016: Pharmacognosy Magazine
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
Russell J de Souza, Michael A Zulyniak, Dipika Desai, Mateen R Shaikh, Natalie C Campbell, Diana L Lefebvre, Milan Gupta, Julie Wilson, Gita Wahi, Stephanie A Atkinson, Koon K Teo, Padmaja Subbarao, Allan B Becker, Piushkumar J Mandhane, Stuart E Turvey, Malcolm R Sears, Sonia S Anand
BACKGROUND: Canada is an ethnically diverse nation, which introduces challenges for health care providers tasked with providing evidence-based dietary advice. OBJECTIVES: We aimed to harmonize food-frequency questionnaires (FFQs) across 4 birth cohorts of ethnically diverse pregnant women to derive robust dietary patterns to investigate maternal and newborn outcomes. METHODS: The NutriGen Alliance comprises 4 prospective birth cohorts and includes 4880 Canadian mother-infant pairs of predominantly white European [CHILD (Canadian Healthy Infant Longitudinal Development) and FAMILY (Family Atherosclerosis Monitoring In earLY life)], South Asian [START (SouTh Asian birth cohoRT)-Canada], or Aboriginal [ABC (Aboriginal Birth Cohort)] origins...
October 5, 2016: Journal of Nutrition
Barbara Bonamassa, Donatella Canistro, Andrea Sapone, Fabio Vivarelli, Andrea Vornoli, Vincenzo Longo, Moreno Paolini
Fruit and vegetables (FV) have long been considered a panacea against major chronic diseases, including cancer. However, there is no convincing epidemiological, clinical or experimental evidence supporting FV chemopreventive ability. A daily mono-supplementation of lyophilized onion, tomato, peach, black grape or lettuce was compared with the daily combined administration of the same FV (5 a day-like diet). Ten days post-treatment, the phase-I/II xenobiotic metabolizing and antioxidant enzyme activities, protein and mRNA levels were investigated...
October 1, 2016: Food and Chemical Toxicology
Anna Catany Ritter, Annarita Sabrina Egger, Jennifer Machacek, Rosa Aspalter
BACKGROUND: Current evidence suggests that the incidence of cancer is low in vegan populations, and experimental studies have revealed a significant role of dietary proteins in cancer development and progression. However, little data currently exists regarding the effect of a plant-based diet on the progression of diagnosed cancer. OBJECTIVE: The main objective of this study is to determine if a reduction or total elimination of animal protein from the diet can positively influence the outcome of an existing cancer and, in addition to standard oncological therapies, increase remission rates...
2016: JMIR Research Protocols
Shallu Midha, Saurabh Chawla, Pramod Kumar Garg
Pancreatic ductal adenocarcinoma is associated with a poor prognosis and a high case-fatality rate. The reasons for poor prognosis are low rates of curative resection due to local infiltration and distant metastasis. To increase survival rates of patients with pancreatic cancer, early detection through surveillance and screening is important. However, screening could only be cost-effective in high-risk populations. Identification of significant risk factors therefore assumes significance. Risk factors could be non-modifiable or modifiable...
October 10, 2016: Cancer Letters
Martin J J Ronis
Cytochromes P450 (CYPs) play an important role in metabolism and clearance of most clinically utilized drugs and other xenobiotics. They are important in metabolism of endogenous compounds including fatty acids, sterols, steroids and lipid-soluble vitamins. Dietary factors such as phytochemicals are capable of affecting CYP expression and activity, which may be important in diet-drug interactions and in the development of fatty liver disease, cardiovascular disease and cancer. One important diet-CYP interaction is with diets containing plant proteins, particularly soy protein...
August 2016: Drug Metabolism Reviews
Joseph Caspermeyer
No abstract text is available yet for this article.
July 2016: Molecular Biology and Evolution
Jakub G Sobiecki, Paul N Appleby, Kathryn E Bradbury, Timothy J Key
The aim of this study was to investigate differences in dietary intakes between 30251 participants in the European Prospective Investigation into Cancer and Nutrition-Oxford study, comprising 18 244 meat eaters, 4 531 fish eaters, 6 673 vegetarians, and 803 vegans aged 30 to 90 years who completed semiquantitative food frequency questionnaires. We hypothesized that these groups characterized by varying degrees of animal product exclusion have significantly different intakes of many nutrients, with possible implications for dietary adequacy and compliance with population dietary goals...
May 2016: Nutrition Research
Jason M Ridlon, Patricia G Wolf, H Rex Gaskins
Colorectal cancer (CRC) is one of the most frequent causes of cancer death worldwide and is associated with adoption of a diet high in animal protein and saturated fat. Saturated fat induces increased bile secretion into the intestine. Increased bile secretion selects for populations of gut microbes capable of altering the bile acid pool, generating tumor-promoting secondary bile acids such as deoxycholic acid and lithocholic acid. Epidemiological evidence suggests CRC is associated with increased levels of DCA in serum, bile, and stool...
May 3, 2016: Gut Microbes
Jason A Penniecook-Sawyers, Karen Jaceldo-Siegl, Jing Fan, Larry Beeson, Synnove Knutsen, Patti Herring, Gary E Fraser
Among cancers in American women, breast cancer (BC) has the second highest incidence and mortality. The association of BC with diet has been inconsistent. Studies that evaluate associations with dietary patterns are less common and reflect an individual's whole diet. We associated dietary patterns with the risk of BC in American women of the Adventist Health Study-2 (AHS-2), a prospective cohort of 96 001 subjects recruited between 2002 and 2007. Answers to a previously validated FFQ were used to classify subjects to vegan, lacto-ovo-vegetarian, pesco-vegetarian, semi-vegetarian and non-vegetarian dietary patterns...
May 28, 2016: British Journal of Nutrition
Rafidah Hod, Wided Kouidhi, Mustafa Ali Mohd, Ruby Husain
Epidemiological studies indicate lower prevalences of breast and prostate cancers and cardiovascular disease in Southeast Asia where vegetarianism is popular and diets are traditionally high in phytoestrogens. This study assessed plasma isoflavones in vegetarian and non-vegetarian Malaysian men according to age. Daidzein, genistein, equol (a daidzein metabolite), formononetin, biochanin A, estrone, estradiol and testosterone were measured by validated liquid chromatography tandem mass spectrometry (LCMSMS)...
2016: Asia Pacific Journal of Clinical Nutrition
A M J Gilsing, M P Weijenberg, R A Goldbohm, P C Dagnelie, P A van den Brandt, L J Schouten
BACKGROUND/OBJECTIVES: The few prospective studies that examined lung, female breast and prostate cancer risk in vegetarians have yielded mixed results, whereas none have studied the effects of low meat diets. Moreover, little is known about the explanatory role of (non-) dietary factors associated with these diets. SUBJECTS/METHODS: The Netherlands Cohort Study-Meat Investigation Cohort (NLCS-MIC)- is an analytical cohort of 11 082 individuals including 1133 self-reported vegetarians (aged 55-69 years at baseline)...
June 2016: European Journal of Clinical Nutrition
Monica Dinu, Rosanna Abbate, Gian Franco Gensini, Alessandro Casini, Francesco Sofi
BACKGROUND: Beneficial effects of vegetarian and vegan diets on health outcomes have been supposed in previous studies. OBJECTIVES: Aim of this study was to clarify the association between vegetarian, vegan diets, risk factors for chronic diseases, risk of all-cause mortality, incidence and mortality from cardio-cerebrovascular diseases, total cancer and specific type of cancer (colorectal, breast, prostate and lung), through meta-analysis. METHODS: A comprehensive search of Medline, EMBASE, Scopus, The Cochrane Library and Google Scholar was conducted...
February 6, 2016: Critical Reviews in Food Science and Nutrition
Paul N Appleby, Timothy J Key
Vegetarians, who do not eat any meat, poultry or fish, constitute a significant minority of the world's population. Lacto-ovo-vegetarians consume dairy products and/or eggs, whereas vegans do not eat any foods derived wholly or partly from animals. Concerns over the health, environmental and economic consequences of a diet rich in meat and other animal products have focussed attention on those who exclude some or all of these foods from their diet. There has been extensive research into the nutritional adequacy of vegetarian diets, but less is known about the long-term health of vegetarians and vegans...
August 2016: Proceedings of the Nutrition Society
Paul N Appleby, Francesca L Crowe, Kathryn E Bradbury, Ruth C Travis, Timothy J Key
BACKGROUND: Vegetarians and others who do not eat meat have been observed to have lower incidence rates than meat eaters of some chronic diseases, but it is unclear whether this translates into lower mortality. OBJECTIVE: The purpose of this study was to describe mortality in vegetarians and comparable nonvegetarians in a large United Kingdom cohort. DESIGN: The study involved a pooled analysis of data from 2 prospective studies that included 60,310 persons living in the United Kingdom, comprising 18,431 regular meat eaters (who ate meat ≥5 times/wk on average), 13,039 low (less-frequent) meat eaters, 8516 fish eaters (who ate fish but not meat), and 20,324 vegetarians (including 2228 vegans who did not eat any animal foods)...
January 2016: American Journal of Clinical Nutrition
Rupal Sinha, Dinesh Chandra Doval, Showket Hussain, Kapil Kumar, Shivendra Singh, Seemi Farhat Basir, Mausumi Bharadwaj
BACKGROUND: The study evaluated the patient, lifestyle and tumor profile in patients undergoing upfront surgery for sporadic colorectal cancer (CRC) in Indian population. MATERIALS AND METHODS: One hundred consecutive patients were included. Details related to their demographic profile, habits, signs and symptoms, tumor profile, further treatment and follow up were recorded. RESULTS: The majority of the patients had colonic cancer (68%), advanced tumor stage 3 and 4 (46%), moderately differentiated tumors (70%) with absence of lymphatic invasion (60%) and metastasis (90%)...
2015: Asian Pacific Journal of Cancer Prevention: APJCP
Kirti Amresh Gautam, Tripathi Muktanand, Satya Narayan Sankhwar, Apul Goel, Pushp Lata Sankhwar, Singh Rajender
BACKGROUND: Interleukin-6 is a multifunctional cytokine, which plays a key role in tumor proliferation and differentiation. Variations in its gene (IL6) sequence may affect the risk of developing various cancers, including urinary bladder cancer. The present study was done to find the association of functional polymorphisms in the IL6 promoter with urinary bladder cancer. MATERIALS AND METHODS: Single nucleotide polymorphisms were genotyped in histologically confirmed 232 cases of urinary bladder cancer and 250 healthy controls...
January 2016: Cytokine
Sameer Gupta, Channabasappa Kori, Vijay Kumar, Sanjeev Misra, Naseem Akhtar
PURPOSE: Gallbladder carcinoma (GBC) is characterized by a dismal prognosis owing to the paucity of early signs and symptoms. North India reports high incidence of GBC possibly due to environmental, dietary and reproductive factors. Understanding the epidemiology of gallbladder cancer has and will continue to provide valuable insights into determining causes and risk factors for gallbladder cancer. METHODS: Prospective study of gallbladder carcinoma patients, presenting in our department, was undertaken over three year period to evaluate the epidemiological profile of gallbladder carcinoma patients from our region...
March 2016: Journal of Gastrointestinal Cancer
Yessenia Tantamango-Bartley, Synnove F Knutsen, Raymond Knutsen, Bjarne K Jacobsen, Jing Fan, W Lawrence Beeson, Joan Sabate, David Hadley, Karen Jaceldo-Siegl, Jason Penniecook, Patti Herring, Terry Butler, Hanni Bennett, Gary Fraser
BACKGROUND: According to the American Cancer Society, prostate cancer accounts for ∼27% of all incident cancer cases among men and is the second most common (noncutaneous) cancer among men. The relation between diet and prostate cancer is still unclear. Because people do not consume individual foods but rather foods in combination, the assessment of dietary patterns may offer valuable information when determining associations between diet and prostate cancer risk. OBJECTIVE: This study aimed to examine the association between dietary patterns (nonvegetarian, lacto-ovo-vegetarian, pesco-vegetarian, vegan, and semi-vegetarian) and prostate cancer incidence among 26,346 male participants of the Adventist Health Study-2...
January 2016: American Journal of Clinical Nutrition
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