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https://www.readbyqxmd.com/read/28342951/a-model-to-identify-individuals-at-high-risk-for-esophageal-squamous-cell-carcinoma-and-precancerous-lesions-in-regions-of-high-prevalence-in-china
#1
Mengfei Liu, Zhen Liu, Hong Cai, Chuanhai Guo, Xiang Li, Chaoting Zhang, Hui Wang, Dong Hang, Fangfang Liu, Qiuju Deng, Xin Yang, Wenqing Yuan, Yaqi Pan, Jingjing Li, Chanyuan Zhang, Na Shen, Zhonghu He, Yang Ke
BACKGROUND & AIMS: We aimed to develop a population-based model to identify individuals at high-risk for esophageal squamous cell carcinoma (ESCC) in regions of China with a high prevalence of this cancer. METHODS: We collected findings from 15,073 permanent residents (45-69 years old) of 334 randomly selected villages in Hua County, Henan Province, China who underwent endoscopic screening (with iodine staining) for ESCC from January 2012 through September 2015...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28342771/the-area-postrema-ap-and-the-parabrachial-nucleus-pbn-are-important-sites-for-salmon-calcitonin-sct-to-decrease-evoked-phasic-dopamine-release-in-the-nucleus-accumbens-nac
#2
Lynda Whiting, James E McCutcheon, Christina N Neuner-Boyle, Mitchell F Roitman, Thomas A Lutz
The pancreatic hormone amylin and its agonist salmon calcitonin (sCT) act via the area postrema (AP) and the lateral parabrachial nucleus (PBN) to reduce food intake. Investigations of amylin and sCT signaling in the ventral tegmental area (VTA) and nucleus accumbens (NAc) suggest that the eating inhibitory effect of amylin is, in part, mediated through the mesolimbic 'reward' pathway. Indeed, administration of the sCT directly to the VTA decreased phasic dopamine release (DA) in the NAc. However, it is not known if peripheral amylin modulates the mesolimbic system directly or whether this occurs via the AP and PBN...
March 22, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28342765/hippocampal-insulin-resistance-and-altered-food-decision-making-as-players-on-obesity-risk
#3
REVIEW
Amanda Brondani Mucellini, Natasha Kim de Oliveira da Fonseca, Gisele Gus Manfro, Patrícia Pelufo Silveira
There are increasing evidences that hippocampus can modulate the decision of what, when and how much to eat, in addition to its already recognized role in learning and memory processes. Insulin also has been linked to brain functions such as feeding behavior and the imbalance of its mechanism of action on hippocampus is being related to cognitive dysfunction. The discussion here is whether changes in insulin action could contribute to intake dysregulation and obesogenic behavior as a primary consequence of impairing hippocampal functioning, aside from the role of this hormone on obesity development through peripheral metabolic pathways...
March 22, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28342399/design-synthesis-and-biological-evaluation-of-pegylated-xenopus-glucagon-like-peptide-1-derivatives-as-long-acting-hypoglycemic-agents
#4
Jing Han, Yiyun Wang, Qinghua Meng, Guangchao Li, Fangmin Huang, Su Wu, Yingying Fei, Feng Zhou, Junjie Fu
In order to develop novel long-acting GLP-1 derivatives, a peptide hybrid (1a) from human GLP-1 and Xenopus GLP-1 discovered in our previous research was selected as the lead compound. Exendin-4 inspired modification resulted in peptide 1b with enhanced glucose-lowering activity. Cysteine mutated 1b derivatives with reserved bioactivity were further site-specifically connected with mPEG2000-MAL to provide conjugates 3a-h, among which 3d and 3e were found to have significantly improved hypoglycemic activity and insulinotropic ability than GLP-1...
March 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28340515/inflammatory-potential-of-diet-and-risk-of-oral-and-pharyngeal-cancer-in-a-large-case-control-study-from-italy
#5
Nitin Shivappa, James R Hébert, Valentina Rosato, Werner Garavello, Diego Serraino, Carlo La Vecchia
Diet and inflammation have been suggested to be important risk factors for oral and pharyngeal cancer. We examined the association between dietary inflammatory index (DII) and oral and pharyngeal cancer in a large case-control study conducted between 1992 and 2009 in Italy. This study included 946 cases with incident, histologically confirmed oral and pharyngeal cancer, and 2492 controls hospitalized for acute non-neoplastic diseases. The DII was computed based on dietary intake assessed by a valid 78-item food frequency questionnaire and was adjusted for non-alcohol energy intake using the residual approach (E-DII)...
March 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28339990/detecting-thresholds-for-bitter-umami-and-sweet-tastants-in-broiler-chicken-using-a-2-choice-test-method
#6
Shira L Cheled-Shoval, Naama Reicher, Masha Y Niv, Zehava Uni
The sense of taste has a key role in nutrient sensing and food intake in animals. A standardized and simple method for determination of tastant-detection thresholds is required for chemosensory research in poultry. We established a 24-h, 2-alternative, forced-choice solution-consumption method and applied it to measure detection thresholds for 3 G-protein-coupled receptor-mediated taste modalities-bitter, sweet, and umami-in chicken. Four parameters were used to determine a significant response: 1) tastant-solution consumption; 2) water (tasteless) consumption; 3) total consumption (tastant and water together); 4) ratio of tastant consumption to total consumption...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339536/successful-nutrition-policy-improvement-of-vitamin-d-intake-and-status-in-finnish-adults-over-the-last-decade
#7
Susanna Raulio, Iris Erlund, Satu Männistö, Sirpa Sarlio-Lähteenkorva, Jouko Sundvall, Heli Tapanainen, Erkki Vartiainen, Suvi M Virtanen
Due to vitamin D intake below recommendation (10 µg/day) and low (<50 nmol/l) serum 25-hydroxycholecalciferol (25(OH)D) concentration in Finnish population, the fortification of liquid dairy products with 0.5 µg vitamin D/100 g and fat spreads with 10 µg/100 g started in Finland in December 2002. In 2010, the fortification recommendation was doubled. The aim of this study was to investigate whether the vitamin D intake and status have improved among Finnish adults as a consequence of these nutrition policy actions...
October 6, 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/28339339/use-of-dietary-supplements-improved-diet-quality-but-not-cardiovascular-and-nutritional-biomarkers-in-socioeconomically-diverse-african-american-and-white-adults
#8
Marie Fanelli Kuczmarski, May A Beydoun, Emily Stave Shupe, Ryan T Pohlig, Alan B Zonderman, Michele K Evans
Knowledge of the contribution of supplements to overall nutritional health is limited. The research objectives were to describe motivations for use of dietary supplements by African Americans and Whites examined in the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study and to determine if supplements provided beneficial effects to micronutrient diet quality and nutritional and cardiovascular biomarkers. The majority of the HANDLS study population were smokers, overweight or obese, and self-reported their health as poor to good...
March 24, 2017: Journal of Nutrition in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28339328/mercaptopurine-ingestion-habits-red-cell-thioguanine-nucleotide-levels-and-relapse-risk-in-children-with-acute-lymphoblastic-leukemia-a-report-from-the-children-s-oncology-group-study-aall03n1
#9
Wendy Landier, Lindsey Hageman, Yanjun Chen, Nancy Kornegay, William E Evans, Bruce C Bostrom, Jacqueline Casillas, David S Dickens, Anne L Angiolillo, Glen Lew, Kelly W Maloney, Leo Mascarenhas, A Kim Ritchey, Amanda M Termuhlen, William L Carroll, Mary V Relling, F Lennie Wong, Smita Bhatia
Purpose Children with acute lymphoblastic leukemia (ALL) are generally instructed to take mercaptopurine (6-MP) in the evening and without food or dairy products. This study examines the association between 6-MP ingestion habits and 6-MP adherence, red cell thioguanine nucleotide (TGN) levels, and risk of relapse in children with TMPT wild-type genotype. Methods Participants included 441 children with ALL receiving oral 6-MP for maintenance. Adherence was monitored over 48,086 patient-days using the Medication Event Monitoring System; nonadherence was defined as adherence rate < 95%...
March 24, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28339149/effect-of-food-intake-on-the-pharmacodynamics-of-tenapanor-a-phase-1-study
#10
Susanne A Johansson, Mikael Knutsson, Maria Leonsson-Zachrisson, David P Rosenbaum
Tenapanor (RDX5791/AZD1722) is a minimally systemic small-molecule inhibitor of the sodium/hydrogen exchanger NHE3. Tenapanor acts in the gut to reduce absorption of sodium and phosphate. This phase 1 open-label, 3-way crossover study (NCT02226783) evaluated the effect of food on the pharmacodynamics of tenapanor. Eighteen volunteers completed a randomized sequence of three 4-day treatments with tenapanor hydrochloride 15 mg twice daily: before food, after food, and while fasting. Participants received a diet standardized for sodium content...
March 24, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28339058/toenail-selenium-as-an-indicator-of-environmental-exposure-a-cross-sectional-study
#11
Tommaso Filippini, Angela Ferrari, Bernhard Michalke, Peter Grill, Luciano Vescovi, Chiara Salvia, Carlotta Malagoli, Marcella Malavolti, Sabina Sieri, Vittorio Krogh, Annalisa Bargellini, Antonio Martino, Margherita Ferrante, Marco Vinceti
The relation between toxicity and essentiality of selenium (Se) is of growing interest in human health, as the effects may widely differ depending of its different chemical species and the exposure levels. Toenail Se has been proposed as a reliable biomarker of long-term Se exposure, but few studies investigated the correlation between its toenail content and environmental determinants (i.e., dietary food intake). We aimed to determine the relation of toenail Se levels with serum Se species as well as food items...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339021/determinants-of-serum-manganese-levels-in-an-italian-population
#12
Tommaso Filippini, Bernhard Michalke, Peter Grill, Carlotta Malagoli, Marcella Malavolti, Luciano Vescovi, Sabina Sieri, Vittorio Krogh, Andrea Cherubini, Giuseppe Maffeis, Roberto Lucchini, Margherita Ferrante, Marco Vinceti
Manganese (Mn) is both essential and toxic for humans, mainly depending on the total levels and its species. Main sources of exposure include food and air pollution, particularly motorized traffic. We sought to determine the potential influence of these sources on serum total levels of Mn and Mn species. We selected a random sample of municipality residents from an Italian urban municipality, from whom we collected detailed personal information, dietary habits and a blood sample for serum Mn determination...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339012/heavy-metal-content-and-molecular-species-identification-in-canned-tuna-insights-into-human-food-safety
#13
Anna Maria Pappalardo, Chiara Copat, Venera Ferrito, Alfina Grasso, Margherita Ferrante
Canned tuna in olive oil and in brine of the most popular brands sold in Italian markets were analyzed to verify the authentication of transformed products, with the aim to unveil commercial frauds due to the substitutions of high value species with species of low commercial value, and to assess the health risk of consumers related to cadmium (Cd), lead (Pb) and mercury (Hg) contents. Species authentication was evaluated with amplification of COI DNA barcode and confirmed the declared species. Among tested metals, Hg had the highest concentrations, followed by Cd and Pb...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338828/validity-of-a-dietary-questionnaire-assessed-by-comparison-with-multiple-weighed-dietary-records-or-24-hour-recalls
#14
Changzheng Yuan, Donna Spiegelman, Eric B Rimm, Bernard A Rosner, Meir J Stampfer, Junaidah B Barnett, Jorge E Chavarro, Amy F Subar, Laura K Sampson, Walter C Willett
The authors evaluated the validity of a 152-item semiquantitative food frequency questionnaire (SFFQ) by comparing it with two 7-day dietary records (7DDRs) or up to 4 automated self-administered 24-hour recalls (ASA24s) over a 1-year period in the women's Lifestyle Validation Study (2010-2012), conducted among subgroups of the Nurses' Health Studies. Intakes of energy and 44 nutrients were assessed using the 3 methods among 632 US women. Compared with the 7DDRs, SFFQ responses tended to underestimate sodium intake but overestimate intakes of energy, macronutrients, and several nutrients in fruits and vegetables, such as carotenoids...
February 25, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28338636/survey-on-urinary-levels-of-aflatoxins-in-professionally-exposed-workers
#15
Fulvio Ferri, Carlo Brera, Barbara De Santis, Giorgio Fedrizzi, Tiziana Bacci, Lorena Bedogni, Sauro Capanni, Giorgia Collini, Enrica Crespi, Francesca Debegnach, Patrizia Ferdenzi, Angelo Gargano, Daniela Gattei, Ferdinando Luberto, Ines Magnani, Massimo Giuseppe Magnani, Pamela Mancuso, Simonetta Menotta, Stefania Mozzanica, Milva Olmi, Giuseppe Ombrini, Orietta Sala, Sabina Soricelli, Massimo Vicentini, Paolo Giorgi Rossi
Feed mill workers may handle or process maize contaminated with aflatoxins (AFs). This condition may lead to an unacceptable intake of toxins deriving from occupational exposure. This study assessed the serological and urinary levels of AFs in workers exposed to potentially contaminated dusts in two mills. From March to April 2014, blood and urine samples were collected, on Monday and Friday morning of the same working week from 29 exposed workers and 30 non-exposed controls. AFs (M₁, G₂, G₁, B₁, B₂) and aflatoxicol (AFOH) A were analyzed...
March 24, 2017: Toxins
https://www.readbyqxmd.com/read/28338525/orexin-action-on-oxytocin-neurons-in-the-paraventricular-nucleus-of-the-hypothalamus
#16
Yuko Maejima, Shinichi Takahashi, Katsuya Takasu, Seiichi Takenoshita, Yoichi Ueta, Kenju Shimomura
Oxytocin neurons in the paraventricular nucleus (PVN) of the hypothalamus play an important role in food intake regulation. It has been shown that the secretion of oxytocin from the hypothalamus shows a diurnal circadian rhythmic pattern and disturbance of this pattern leads to the development of obesity. However, whether oxytocin secretion from the PVN has a diurnal pattern remains unknown. Here, we show that oxytocin secretion from the PVN does have a diurnal pattern and that the terminals of orexin neurons, the neuropeptide responsible for regulating the sleep-wake rhythm, are synapsed with PVN oxytocin neurons...
March 23, 2017: Neuroreport
https://www.readbyqxmd.com/read/28338358/a-mismatch-between-athlete-practice-and-current-sports-nutrition-guidelines-among-elite-female-and-male-middle-and-long-distance-athletes
#17
Ida Aliisa Heikura, Trent Stellingwerff, Antti A Mero, Arja Leena Tuulia Uusitalo, Louise Mary Burke
Contemporary nutrition guidelines promote a variety of periodized and time-sensitive recommendations, but current information regarding the knowledge and practice of these strategies among world-class athletes is limited. The aim of this study was to investigate this theme by implementing a questionnaire on dietary periodization practices in national/international level female (n=27) and male (n=21) middle- and long-distance runners/race-walkers. The questionnaire aimed to gain information on between and within-day dietary choices, as well as timing of pre- and post-training meals and practices of training with low or high carbohydrate (CHO) availability...
March 24, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28338210/testing-food-related-inhibitory-control-to-high-and-low-calorie-food-stimuli-electrophysiological-responses-to-high-calorie-food-stimuli-predict-calorie-and-carbohydrate-intake
#18
Kaylie A Carbine, Edward Christensen, James D LeCheminant, Bruce W Bailey, Larry A Tucker, Michael J Larson
Maintaining a healthy diet has important implications for physical and mental health. One factor that may influence diet and food consumption is inhibitory control-the ability to withhold a dominant response in order to correctly respond to environmental demands. We examined how N2 amplitude, an ERP that reflects inhibitory control processes, differed toward high- and low-calorie food stimuli and related to food intake. A total of 159 participants (81 female; M age = 23.5 years; SD = 7.6) completed two food-based go/no-go tasks (one with high-calorie and one with low-calorie food pictures as no-go stimuli) while N2 amplitude was recorded...
March 24, 2017: Psychophysiology
https://www.readbyqxmd.com/read/28338063/greater-postprandial-glucose-excursions-and-inadequate-nutrient-intake-in-youth-with-type-1-diabetes-and-celiac-disease
#19
Anna Pham-Short, Kim C Donaghue, Geoffrey Ambler, Sarah Garnett, Maria E Craig
The gluten free diet (GFD) has a high glycemic index and low-fiber content, which potentially influences glycemic excursions in type 1 diabetes (T1D) and celiac disease (CD). Participants in this case-control study of youth with T1D+CD (n = 10) and T1D only (n = 7) wore blinded continuous glucose monitoring systems for six days. Blood glucose levels (BGLs) were compared between groups for each meal, including pre-meal, peak, 2-hour postprandial and time-to-peak. Participants consumed a test-breakfast of GF cereal and milk for three days and kept weighed food diaries; nutrient intake was analyzed and compared to national recommendations...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337856/contribution-of-snacks-to-dietary-intakes-of-young-children-in-the-united-states
#20
Lenka H Shriver, Barbara J Marriage, Tama D Bloch, Colleen K Spees, Samantha A Ramsay, Rosanna P Watowicz, Christopher A Taylor
Nutritional quality of children's diets is a public health priority in the fight against childhood obesity and chronic diseases. The main purpose of this study was to determine contribution of snacks to energy and nutrient intakes and to identify leading snack food sources of energy, total fat, and added sugars amongst young children in the United States. Using the 2005-2012 NHANES data, dietary intakes of 2- to 5-year-old children were analysed from a parent-reported 24-hour dietary recall (n = 3,429). Snacking occasions were aggregated to determine the proportion of total food/beverage intake obtained from snacks, estimate energy, and nutrient intakes, and identify the leading snack food sources of energy, added sugars, and total fat...
March 23, 2017: Maternal & Child Nutrition
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