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cancer coffee

Kuba Marciniak, Mirosław Kiedrowski, Danuta Gajewska, Andrzej Deptała, Dariusz Włodarek
The development of colorectal carcinoma is a multistep process of accumulation of mutations and epigenetic changes associated with DNA repair, proliferation, apoptosis, intra- and extracellular signaling, adhesion and other physiological functions of cells and tissues. A long period of development, high colorectal carcinoma-related mortality as well as significant social and economic costs due to this condition are prerequisites for seeking efficient methods of cancer prevention, including nutritional approach...
October 19, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Romain Pasquet, Igor Karp, Jack Siemiatycki, Anita Koushik
PURPOSE: Coffee and black tea are among the most consumed beverages worldwide. Although their potential role in lung cancer occurrence has been investigated in several studies, results have been inconclusive. We investigated the associations between intake of coffee and black tea with lung cancer in a population-based case-control study in Montreal, Canada. METHODS: These analyses included 1130 cases and 1483 controls. Adjusted odds ratios (ORs) were estimated between four metrics of coffee and black tea consumption (frequency, average daily amount, duration, and cumulative amount) and lung cancer, using unconditional logistic regression...
September 17, 2016: Annals of Epidemiology
Amy E Taylor, Richard M Martin, Milan S Geybels, Janet L Stanford, Irene Shui, Rosalind Eeles, Doug Easton, Zsofia Kote-Jarai, Ali Amin Al Olama, Sara Benlloch, Kenneth Muir, Graham G Giles, Fredrik Wiklund, Henrik Gronberg, Christopher A Haiman, Johanna Schleutker, Børge G Nordestgaard, Ruth C Travis, David Neal, Nora Pashayan, Kay-Tee Khaw, William Blot, Stephen Thibodeau, Christiane Maier, Adam S Kibel, Cezary Cybulski, Lisa Cannon-Albright, Hermann Brenner, Jong Park, Radka Kaneva, Jyotsna Batra, Manuel R Teixeira, Hardev Pandha, Jenny Donovan, Marcus R Munafò
Coffee consumption has been shown in some studies to reduce the risk of prostate cancer. However, it is unclear if this association is causal or due to confounding or reverse causality. We conducted a Mendelian randomisation analysis to investigate the causal effects of coffee consumption on prostate cancer risk and progression. We used two genetic variants robustly associated with caffeine intake (rs4410790 and rs2472297) as proxies for coffee consumption in a sample of 46,687 men of European ancestry from 25 studies in the PRACTICAL consortium...
October 14, 2016: International Journal of Cancer. Journal International du Cancer
Giuseppe Grosso, Agnieszka Micek, Justyna Godos, Salvatore Sciacca, Andrzej Pajak, Miguel A Martínez-González, Edward L Giovannucci, Fabio Galvano
Coffee consumption has been associated with several benefits toward human health. However, its association with mortality risk has yielded contrasting results, including a non-linear relation to all-cause and cardiovascular disease (CVD) mortality and no association with cancer mortality. As smoking habits may affect the association between coffee and health outcomes, the aim of the present study was to update the latest dose-response meta-analysis of prospective cohort studies on the association between coffee consumption and mortality risk and conduct stratified analyses by smoking status and other potential confounders...
October 3, 2016: European Journal of Epidemiology
Thomas J Littlejohns, Ruth C Travis, Tim J Key, Naomi E Allen
BACKGROUND: The central role of prostate-specific antigen (PSA) testing in the diagnosis of prostate cancer leads to the possibility that observational studies that report associations between risk factors and prostate cancer could be affected by detection bias. This study aims to investigate whether reported risk factors for prostate cancer are associated with PSA testing in a large middle-aged population-based cohort in the UK. METHODS: The cross-sectional association between a wide range of sociodemographic, lifestyle, dietary and health characteristics with PSA testing was examined in 212,039 men aged 40-69 years in UK Biobank...
September 29, 2016: Cancer Epidemiology
John Paul Cauchi, Liberato Camilleri, Christian Scerri
AIM AND BACKGROUND: Environmental exposures are known to play a role in the development of cancer, including breast cancer. There are known associations of breast cancer with environmental factors such as sunlight exposure, diet and exercise and alcohol consumption as well as physiological factors. This study examines the prevalence of risk factors for breast cancer related to dietary intake, environment and lifestyle in the female population of Malta. Malta has had little research in this area, and therefore an exploratory study was carried out...
2016: EPMA Journal
Anqiang Wang, Shanshan Wang, Chengpei Zhu, Hanchun Huang, Liangcai Wu, Xueshuai Wan, Xiaobo Yang, Haohai Zhang, Ruoyu Miao, Lian He, Xinting Sang, Haitao Zhao
Meta-analyses on coffee and cancer incidence mainly restricted to limited cancers. We carried out a more comprehensive meta-analysis of cohort studies to explore association between coffee and most cancer types. We conducted comprehensive search and summarized relative risk (RR) and 95% confidence intervals for the highest versus lowest coffee intake and cancer using STATA12. We conducted dose-analysis if result suggested significant association. The publication bias was evaluated with begg's and egger's test...
September 26, 2016: Scientific Reports
(no author information available yet)
AIMS/HYPOTHESIS: The gut incretin hormones glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic peptide (GIP) have a major role in the pathophysiology of type 2 diabetes. Specific genetic and dietary factors have been found to influence the release and action of incretins. We examined the effect of interactions between seven incretin-related genetic variants in GIPR, KCNQ1, TCF7L2 and WFS1 and dietary components (whey-containing dairy, cereal fibre, coffee and olive oil) on the risk of type 2 diabetes in the European Prospective Investigation into Cancer and Nutrition (EPIC)-InterAct study...
September 13, 2016: Diabetologia
Santosh Jain Passi
INTRODUCTION: Developing countries are currently afflicted with the dual burden of disease with noncommunicable diseases (NCDs) becoming a major public health challenge. It is projected that in near future, NCDs will account for nearly 70% of the mortality in developing world. Caused due to lifestyle related factors, there is an upsurge in the incidence of overweight/obesity, cardiovascular diseases, type 2 diabetes mellitus, cancers, respiratory diseases etc. Appropriate dietary practices, increased physical activity, weight management, abstinence from tobacco/substance misuse and alcohol abuse play an important role in their prevention and management...
September 5, 2016: Current Diabetes Reviews
Megumi Hara, Yuichiro Nishida, Chisato Shimanoe, Yasuko Otsuka, Hinako Nanri, Jun Yasukata, Nobuyuki Miyoshi, Yosuke Yamada, Mikako Horita, Kazuaki Kawai, Yun-Shan Li, Jun Kasai, Hiroshi Kasai, Yasuki Higaki, Keitaro Tanaka
Physical activity (PA) is recommended to both promote and maintain health and prevent cancer by improving the body's DNA repair system, which is considered a mechanism of cancer prevention. However, associations between PA and urinary levels of 8-hydroxydeoxyguanosine (8-OH-dG), which reflects DNA damage, are unclear. This cross-sectional study included 2,370 men and 4,052 women aged 45-74 years enrolled between 2010 and 2012. Habitual PA was assessed via single-axis accelerometer and urinary 8-OH-dG levels via automated high-pressure liquid chromatography...
August 30, 2016: Cancer Science
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
A Tagetti, U Ericson, M Montagnana, P Almgren, P M Nilsson, G Engstrom, B Hedblad, P Minuz, M Orho-Melander, O Melander, C Fava
OBJECTIVE: Between genetic variants pinpointed in genome wide association study there is the rs1378942 near the CYP1A1/CYP1A2 locus. Coffee consumption has been associated with blood pressure (BP) but with sometimes contrasting evidences. A part of BP-coffee relationship could be mediated by genetic mechanisms: that is single nucleotide polymorphisms (SNPs) nearby the CYP1A2 gene, which metabolize caffeine, could influence BP. Indeed, smoking habit induces the expression of the CYP1A2 enzyme whereas coffee consumption itself could increase CYP1A2 activity...
September 2016: Journal of Hypertension
Kai Bai, Qiucheng Cai, Yi Jiang, Lizhi Lv
Growing evidence has shown that coffee consumption is inversely related with the risk of hepatocellular carcinoma. It is suggested that caffeine maintains strong antioxidative activity. With this property, coffee intake may lead to the inhibition of cell proliferation of liver cancer cells; also, some compounds contained in coffee can reduce the genotoxicity of aflatoxin B1 in vitro and lower the damage caused by some carcinogens. A computerized search was performed in PubMed to identify relevant articles published before August 2015...
2016: OncoTargets and Therapy
Marko Lukic, Mie Jareid, Elisabete Weiderpass, Tonje Braaten
BACKGROUND: Coffee contains biologically-active substances that suppress carcinogenesis in vivo, and coffee consumption has been associated with a lower risk of malignant melanoma. We studied the impact of total coffee consumption and of different brewing methods on the incidence of malignant melanoma in a prospective cohort of Norwegian women. METHODS: We had baseline information on total coffee consumption and consumption of filtered, instant, and boiled coffee from self-administered questionnaires for 104,080 women in the Norwegian Women and Cancer (NOWAC) Study...
2016: BMC Cancer
João P Monteiro, Marco G Alves, Pedro F Oliveira, Branca M Silva
Methylxanthines are a group of phytochemicals derived from the purine base xanthine and obtained from plant secondary metabolism. They are unobtrusively included in daily diet in common products as coffee, tea, energetic drinks, or chocolate. Caffeine is by far the most studied methylxanthine either in animal or epidemiologic studies. Theophylline and theobromine are other relevant methylxanthines also commonly available in the aforementioned sources. There are many disseminated myths about methylxanthines but there is increased scientific knowledge to discuss all the controversy and promise shown by these intriguing phytochemicals...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Jitendra Pratap Singh, Vinod Priyadarshi, Dilip Kumar Pal
INTRODUCTION: Though, bladder cancer is one of the most common urological malignancies, studies addressing the young age group bladder tumors are rare. Present study was done to determine the clinicoepidemiological aspects of bladder tumor diagnosed in young age patients and to compare these aspects with elderly patients. PATIENTS AND METHODS: Patients with urinary bladder tumor were selectively divided into two groups; young (<40 years) and elderly (>60 years)...
April 2016: Journal of Cancer Research and Therapeutics
Yan Xie, Shifeng Huang, Tongchuan He, Yuxi Su
BACKGROUND AND OBJECTIVES: Coffee is one of the most widely consumed beverages worldwide, and many studies have investigated the association between coffee consumption and gastric cancer. However, the results are inconsistent. We conducted a systematic analysis of relevant population studies to derive a more precise estimation. METHODS AND STUDY DESIGN: Cochrane library, PubMed and Embase databases were searched to identify studies that met predetermined inclusion criterion through July 2014...
2016: Asia Pacific Journal of Clinical Nutrition
Milena Ilić, Kristina Radoman, Slavica Konević, Irena Ilić
AIM: This paper investigates the correlation between liver cancer mortality and consumption of food-groups in Serbia. METHODS: We conducted an ecological study. The study comprised the population of the Republic of Serbia (about 7.5 million inhabitants) during the period 1991-2010. This ecological study included the data on food consumption per capita which were obtained by the Household Budget Survey and mortality data for liver cancer made available by the National Statistical Office...
June 2016: Central European Journal of Public Health
Gwang Hun Park, Hun Min Song, Jin Boo Jeong
Kahweol as a coffee-specific diterpene has been reported to exert anti-cancer properties. However, the mechanism responsible for the anti-cancer effects of kahweol is not fully understood. The main aim of this investigation was to determine the effect of kahweol on cell proliferation and the possible mechanisms in human colorectal cancer cells. Kahweol inhibited markedly the proliferation of human colorectal cancer cell lines such as HCT116, SW480. Kahweol decreased cyclin D1 protein level in HCT116 and SW480 cells...
September 2016: Food and Chemical Toxicology
Giuseppe Grosso, Urszula Stepaniak, Agnieszka Micek, Denes Stefler, Martin Bobak, Andrzej Pajak
OBJECTIVE: To test the association between coffee consumption and risk of all-cause, CVD and cancer death in a European cohort. DESIGN: Prospective cohort study. Cox proportional hazards models with adjustment for potential confounders to estimate multivariable hazard ratios (HR) and 95 % CI were used. SETTING: Czech Republic, Russia and Poland. SUBJECTS: A total of 28561 individuals followed for 6·1 years. RESULTS: A total of 2121 deaths (43·1 % CVD and 35·7 % cancer mortality) occurred during the follow-up...
July 14, 2016: Public Health Nutrition
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