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Red meat affects hormones

Marek Lisiecki, Maciej Paszkowski, Sławomir Woźniak
Uterine fibroids (also known as leiomyomas or myomas) are the most common benign tumors affecting reproductive organs in women. They are monoclonal tumors of the uterine smooth muscle, which spring from myometrium. It is estimated that they occur in 50-60% of the female population and rise to 70% by the age of 50. While mostly asymptomatic, myomas can be connected with several conditions, including abnormal bleeding with subsequent anemia, pelvic masses, pelvic pain, bulk symptoms, unfavorable impact on fertility and obstetric complications...
December 2017: Przeglad Menopauzalny, Menopause Review
Jane C Figueiredo, Christopher Haiman, Jacqueline Porcel, James Buxbaum, Daniel Stram, Neal Tambe, Wendy Cozen, Lynne Wilkens, Loic Le Marchand, Veronica Wendy Setiawan
BACKGROUND: Gallbladder disease (GBD) is a highly prevalent condition; however, little is known about potential differences in risk factors by sex and ethnicity/race. Our aim was to evaluate dietary, reproductive and obesity-related factors and GBD in multiethnic populations. METHODS: We performed a prospective analysis from the Multiethnic Cohort study who self-identified as non-Hispanic White (n = 32,103), African American (n = 30,209), Japanese (n = 35,987), Native Hawaiian (n = 6942) and Latino (n = 39,168)...
December 8, 2017: BMC Gastroenterology
Joanna Jurkiewicz-Przondziono, Magdalena Lemm, Anna Kwiatkowska-Pamuła, Ewa Ziółko, Mariusz K Wójtowicz
Endometriosis is a hormone-dependent chronic inflammatory disease characterized by the presence of endometrium beyond the uterine cavity. The disease affects 5-15% of women of child-bearing age, 30-50% of whom suffer from infertility. Understanding the role of dietary factors in the development of endometriosis is critical to development of effective dietary instructions for prevention. Existing studies concerning nutrition and endometriosis suggest that diet is a potentially modifiable risk factor for endometriosis...
2017: Ginekologia Polska
L P Zhang, Q F Gan, G Y Hou, H J Gao, J Y Li, S Z Xu
Thyroid hormones play an important role in regulating metabolism and can affect metabolism-related traits such as fat deposition. The thyroglobulin (TG) gene produces the precursor of thyroid hormones and has been proposed as a candidate gene for a quantitative trait locus with an effect on fat deposition. In this study, we identified 4 novel single nucleotide polymorphisms (SNPs) in the 5' flanking region of the TG gene using a DNA sequencing method. The SNP marker association analysis indicated that the T1355C SNPs were significantly associated with meat percentage (P < 0...
2015: Genetics and Molecular Research: GMR
I Rozenboim, M E El Halawani, Y Kashash, Y Piestun, O Halevy
The only light source for chickens in environmentally controlled houses is an artificial one. Thus, source, spectra, intensity and regimen of light supplementation became major factors in modern meat type bird management. Light spectra affect growth in meat type birds both in ovo and post hatch. Broilers photostimulated in ovo with green light gained significantly more weight than birds incubated under dark conditions. Furthermore, we defined the cellular and molecular events associated with the effect of in ovo green photostimulation on muscle growth...
September 1, 2013: General and Comparative Endocrinology
Lisa A Houghton, Andrew R Gray, Ewa A Szymlek-Gay, Anne-Louise M Heath, Elaine L Ferguson
For young children, the level of vitamin D required to ensure that most achieve targeted serum 25-hydroxyvitamin D [25(OH)D] ≥50 nmol/L has not been studied. We aimed to investigate the effect of vitamin D-fortified milk on serum 25(OH)D and parathyroid hormone (PTH) concentrations and to examine the dose-response relationship between vitamin D intake from study milks and serum 25(OH)D concentrations in healthy toddlers aged 12-20 mo living in Dunedin, New Zealand (latitude 46°S). Data from a 20-wk, partially blinded, randomized trial that investigated the effect of providing red meat or fortified toddler milk on the iron, zinc, iodine, and vitamin D status in young New Zealand children (n = 181; mean age 17 mo) were used...
October 2011: Journal of Nutrition
Ch Rizos, M Papassava, Ch Golias, K Charalabopoulos
Prostate cancer has become a major public health problem worldwide although the etiology of prostate cancer remains largely unknown. Dietary factors, dietary supplements, and physical activity might be important in the prevention of the disease. In the majority of studies published, it was observed that high consumption of meat, alcohol and dairy products has been linked to a greater risk. Specifically, alcohol use, and particularly heavy use, may cause cancers of liver, esophagus, larynx, pharynx and oral cavity, with risks for the aero-digestive cancers...
July 2010: Experimental Oncology
Andrew T Chan, Edward L Giovannucci
Colorectal cancer has been strongly associated with a Western lifestyle. In the past several decades, much has been learned about the dietary, lifestyle, and medication risk factors for this malignancy. Although there is controversy about the role of specific nutritional factors, consideration of dietary pattern as a whole appears useful for formulating recommendations. For example, several studies have shown that high intake of red and processed meats, highly refined grains and starches, and sugars is related to increased risk of colorectal cancer...
June 2010: Gastroenterology
Joanne L Watters, Yikyung Park, Albert Hollenbeck, Arthur Schatzkin, Demetrius Albanes
Smoking is an important risk factor for many cancers, yet the relationship between smoking and prostate cancer remains uncertain. We investigated whether smoking affected the risk of prostate cancers within a large prospective cohort study of dietary and environmental cancer risk factors among men ages 50 to 71 upon enrollment in 1995-1996 (n = 283,312). Cox proportional hazards regression models with hazard ratios (HR) and 95% confidence intervals (95% CI) were adjusted for age, race, education, height, body mass index, physical activity, family history of prostate cancer, diabetes, self-reported health status, prostate-specific antigen testing, digital rectal exam, total energy, alpha-tocopherol, calcium, alpha-linolenic acid, selenium, red meat, fish, and tomato intake...
September 2009: Cancer Epidemiology, Biomarkers & Prevention
Eva S Schernhammer, Diane Feskanich, Caroline Niu, Regina Dopfel, Michelle D Holmes, Susan E Hankinson
BACKGROUND: Age and certain lifestyle factors, including a higher body mass index and exposure to light at night, are related to lower circulating concentrations of melatonin-a hormone with probable cancer-protective properties. Although melatonin is a direct derivative of the essential amino acid tryptophan, little is known about the relation of diet with melatonin concentrations. OBJECTIVE: The objective was to examine cross-sectional associations of various nutrients and dietary factors as well as food groups with creatinine-adjusted first morning urinary melatonin (6-sulfatoxymelatonin; aMT6s) concentrations...
October 2009: American Journal of Clinical Nutrition
Imogen S Rogers, David Gunnell, Pauline M Emmett, Louise R Glynn, David B Dunger, Jeff M Holly
BACKGROUND: The insulin-like growth factors (IGF) are polypeptide hormones which are associated with several adult diseases including cancer and coronary heart disease. The dietary determinants of circulating levels of components of the IGF system are of interest, as these may mediate some of the effects of diet on later health. However, few studies have examined the relationship between diet and IGF levels in children. OBJECTIVE: To investigate associations between diet and IGF-I and IGFBP-3 levels in 7- to 8-year-old children...
January 2005: Cancer Epidemiology, Biomarkers & Prevention
Damien P Belobrajdic, Graeme H McIntosh, Julie A Owens
A high-protein diet can reduce body weight and increase insulin sensitivity, but whether the type of dietary protein affects these outcomes is unknown. We hypothesized that feeding insulin-resistant rats a high-protein diet (32%) containing whey protein concentrate (WPC) would reduce body weight and tissue lipid levels and increase insulin sensitivity more than a diet containing red meat (RM). Rats were fed a high-fat diet (300 g fat/kg diet) for 9 wk, then switched to a diet containing either 80 or 320 g protein/kg diet, provided by either WPC or RM, for 6 wk (n = 8)...
June 2004: Journal of Nutrition
D P Belobrajdic, G H McIntosh, J A Owens
Protein type and density have been shown to influence colon cancer risk using a carcinogen-induced rat model. It is suggested that red meat may promote colon cancer risk more than whey proteins. The aim of this study was to evaluate the influence of red meat, whey protein and their density in the diet on the number of aberrant crypt foci (ACF), preneoplastic markers in Wistar rats. The sources of protein, red meat as barbecued kangaroo muscle meat, and whey protein concentrate were fed to rats to provide 8, 16 and 32% protein by weight in a modified AIN-93 diet with low fiber, low calcium and high polyunsaturated fat...
July 30, 2003: Cancer Letters
Farzana L Walcott, Michael Hauptmann, Cherie M Duphorne, Patricia C Pillow, Sara S Strom, Alice J Sigurdson
A few dietary studies have found elevated testicular cancer risks for higher red meat, fat, and milk intakes and lower intakes of fruits, vegetables, and fiber. Because hormonal modulation by dietary intake of plant estrogens could affect risk of testicular cancer, we chose to explore the possible relationship between dietary phytoestrogens and testicular cancer. We conducted a hospital-based case-control study of 159 testicular cancer cases diagnosed between 1990 and 1996 and 136 adult friend-matched controls at the University of Texas M...
2002: Nutrition and Cancer
H S Feigelson, R K Ross, M C Yu, G A Coetzee, J K Reichardt, B E Henderson
The past four decades of epidemiological research have yielded valuable information on the risks of populations to environmental exposures such as tobacco, asbestos, and dietary components. Prevention efforts have been focused on large-scale population-based interventions to minimize exposure to such external carcinogens. While some cancers are beginning to show a decline from changing environmental exposures, hormone-related cancers, such as breast and prostate, are becoming more prevalent. The development of these cancers appears to be closely related to endogenous exposures to circulating steroid hormones...
1996: Journal of Cellular Biochemistry. Supplement
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