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https://www.readbyqxmd.com/read/28547758/ghrelin-receptors-mediate-ghrelin-induced-excitation-of-agrp-npy-but-not-pomc-neurons
#1
Shao-Rui Chen, Hong Chen, Jing-Jing Zhou, Geetali Pradhan, Yuxiang Sun, Hui-Lin Pan, De-Pei Li
Ghrelin increases food intake and body weight by stimulating orexigenic AgRP/NPY neurons and inhibiting anoexic POMC neurons in the hypothalamus. Growth hormone secretagogue receptor (Ghsr) mediates the effect of ghrelin on feeding behavior and energy homeostasis. However, the role of Ghsr in the ghrelin effect on these two populations of neurons is unclear. We hypothesized that Ghsr mediates the effect of ghrelin on AgRP and POMC neurons. In this study, we determined whether Ghsr similarly mediates the effects of ghrelin on AgRP/NPY and POMC neurons using cell type-specific Ghsr-knockout mice...
May 26, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28547183/performance-evaluation-of-a-high-pressure-microwave-assisted-flow-digestion-system-for-juice-and-milk-sample-preparation
#2
Thiago L Marques, Helmar Wiltsche, Joaquim A Nóbrega, Monika Winkler, Günter Knapp
Acid digestion is usually required for metal determination in food samples. However, this step is usually performed in batch mode which is time consuming, labor intensive, and may lead to sample contamination. Flow digestion can overcome these limitations. In this work, the performance of a high-pressure microwave-assisted flow digestion system with a large volume reactor was evaluated for liquid samples high in sugar and fat (fruit juice and milk). The digestions were carried out in a coiled perfluoroalkoxy (PFA) tube reactor (13...
May 26, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28545126/pheromone-sensing-neurons-regulate-peripheral-lipid-metabolism-in-caenorhabditis-elegans
#3
Rosalind Hussey, Jon Stieglitz, Jaleh Mesgarzadeh, Tiffany T Locke, Ying K Zhang, Frank C Schroeder, Supriya Srinivasan
It is now established that the central nervous system plays an important role in regulating whole body metabolism and energy balance. However, the extent to which sensory systems relay environmental information to modulate metabolic events in peripheral tissues has remained poorly understood. In addition, it has been challenging to map the molecular mechanisms underlying discrete sensory modalities with respect to their role in lipid metabolism. In previous work our lab has identified instructive roles for serotonin signaling as a surrogate for food availability, as well as oxygen sensing, in the control of whole body metabolism...
May 18, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28542568/nesfatin-1-like-peptide-is-a-novel-metabolic-factor-that-suppresses-feeding-and-regulates-whole-body-energy-homeostasis-in-male-wistar-rats
#4
Kavishankar Gawli, Naresh Ramesh, Suraj Unniappan
Nucleobindin-1 has high sequence similarity to nucleobindin-2, which encodes the anorectic and metabolic peptide, nesfatin-1. We previously reported a nesfatin-1-like peptide (NLP), anorectic in fish and insulinotropic in mice islet beta-like cells. The main objective of this research was to determine whether NLP is a metabolic regulator in male Wistar rats. A single intraperitoneal (IP) injection of NLP (100 μg/kg BW) decreased food intake and increased ambulatory movement, without causing any change in total activity or energy expenditure when compared to saline-treated rats...
2017: PloS One
https://www.readbyqxmd.com/read/28540694/wernicke-s-encephalopathy-in-exclusive-breastfed-infants
#5
Javeed Iqbal Bhat, Qazi Iqbal Ahmed, Ambreen Ali Ahangar, Bashir Ahmed Charoo, Mushtaq Ahmad Sheikh, Wajid Ali Syed
BACKGROUND: Kashmir has a population that largely consumes polished rice which is deficient in thiamine. Furthermore, lactating women in this region are prone to severe thiamine deficiency because of their traditional food avoidance practices. Infantile beriberi is common in exclusively breastfed infants of thiamine deficient mothers in Kashmir. METHODS: This was a one year prospective hospital-based study. We included 50 exclusively breastfed infants in our study...
May 24, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28539412/maternal-dietary-patterns-during-pregnancy-are-associated-with-newborn-body-composition
#6
Anne P Starling, Katherine A Sauder, Jill L Kaar, Allison Lb Shapiro, Anna Maria Siega-Riz, Dana Dabelea
Background: Maternal dietary intake during pregnancy may influence offspring growth and adiposity. Specific dietary patterns associated with newborn adiposity have not been identified.Objective: We aimed to identify patterns of maternal dietary intake associated with gestational weight gain (GWG) and fasting glucose during pregnancy and to evaluate whether adherence to these patterns is associated with newborn adiposity.Methods: In the Healthy Start prospective cohort, dietary intake during pregnancy was assessed via 24-h recalls...
May 24, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28537340/energy-and-nutrient-content-of-food-served-and-consumed-by-nursing-home-residents
#7
F Buckinx, S Allepaerts, N Paquot, J Y Reginster, C de Cock, J Petermans, O Bruyère
OBJECTIVE: The aim of this study was to compare energy and protein content of the served food with the actual intake from the food consumed by nursing home residents. This study also aimed to compare food intake and dietary allowances. DESIGN: This is a cross sectional study. SETTING: This study was performed in nursing homes. PARTICIPANTS: Residents of these 2 nursing homes were eligible for the study if they agreed to participate and if they meet the selection criteria (to be older than 65 years and have a regular texture diet)...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28537136/feasibility-and-tolerability-of-daily-pulse-consumption-in-individuals-with-peripheral-artery-disease
#8
Alanna Baldwin, Peter Zahradka, Wendy Weighell, Randolph P Guzman, Carla G Taylor
The present study investigated the feasibility, tolerability, and adherence of daily consumption of whole pulses (dried beans, peas, lentils, chickpeas) by individuals with peripheral artery disease participating in an 8-week study. Study questionnaires and semi-structured interviews for 26 participants were used to determine prestudy pulse consumption and participants' experiences with respect to adherence, positive and negative effects, bowel routine, satiety, and enjoyment of the foods. Although the majority of participants rarely consumed pulses prior to the study, there was a high rate of adherence to daily consumption of the study foods for 8 weeks despite comments regarding study fatigue during the latter part of the study...
May 24, 2017: Canadian Journal of Dietetic Practice and Research
https://www.readbyqxmd.com/read/28536421/assessment-of-tissue-specific-accumulation-elimination-and-toxic-effects-of-dichlorodiphenyltrichloroethanes-ddts-in-carp-through-aquatic-food-web
#9
Shanshan Di, Ruiquan Liu, Zhongnan Tian, Cheng Cheng, Li Chen, Wenjun Zhang, Zhiqiang Zhou, Jinling Diao
Microcosms containing DDT spiked-sediment, Tubifex tubifex and carp (Cyprinus carpio) were constructed to simulate a freshwater system. The accumulation, elimination and toxic effects of DDT (p,p'-DDT, o,p'-DDT), and its metabolites DDD (p,p'-DDD, o,p'-DDD) and DDE (p,p'-DDE, o,p'-DDE) were studied in T. tubifex and carp. Tissue/organ distributions of DDTs were also investigated in carp. The bioaccumulation and elimination of DDT differed in T. tubifex, carp and its tissues/organs. Unimodal or bimodal distributions were observed, and the concentrations of DDT metabolites (DDD and p,p'-DDE) increased over time...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28535255/tea-and-coffee-consumption-in-relation-to-dna-methylation-in-four-european-cohorts
#10
Weronica E Ek, Elmar W Tobi, Muhammad Ahsan, Erik Lampa, Erica Ponzi, Soterios A Kyrtopoulos, Panagiotis Georgiadis, L H Lumey, Bastiaan T Heijmans, Maria Botsivali, Ingvar A Bergdahl, Torgny Karlsson, Mathias Rask-Andersen, Domenico Palli, Erik Ingelsson, Åsa K Hedman, Lena M Nilsson, Paolo Vineis, Lars Lind, James M Flanagan, Åsa Johansson
Lifestyle factors, such as food choices and exposure to chemicals, can alter DNA methylation and lead to changes in gene activity. Two such exposures with pharmacologically active components are coffee and tea consumption. Both coffee and tea has been suggested to play an important role in modulating disease-risk in humans by suppressing tumour progression, decreasing inflammation and influencing estrogen metabolism. These mechanisms may be mediated by changes in DNA methylation.To investigate if DNA methylation in blood is associated with coffee and tea consumption we performed a genome-wide DNA methylation study for coffee and tea consumption in four European cohorts (N = 3,096)...
May 23, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28535176/invited-commentary-30-year-perspective-on-the-seven-countries-study
#11
Henry Blackburn
In a 1986 article (Am J Epidemiol. 1986;124(6):903-915), Keys et al. described and discussed 15-year findings from 15 cohorts of the Seven Countries Study (SCS), the first systematic study of diet, risk characteristics, disease-specific death rates, and their ecologic and individual associations both among and within whole populations of working men in regions with contrasting traditional diets. The SCS findings included 30-fold cohort differences in rates of death from coronary heart disease and 3-fold differences in rates of death from all causes, along with strong ecologic associations among diet, risk factors, and disease rates...
May 23, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28533337/development-of-a-medium-density-combined-species-snp-array-for-pacific-and-european-oysters-crassostrea-gigas-and-ostrea-edulis
#12
Alejandro P Gutierrez, Frances Turner, Karim Gharbi, Richard Talbot, Natalie R Lowe, Carolina Peñaloza, Mark McCullough, Paulo A Prodöhl, Tim P Bean, Ross D Houston
SNP arrays are enabling tools for high-resolution studies of the genetic basis of complex traits in farmed and wild animals. Oysters are of critical importance in many regions from both an ecological and economic perspective, and oyster aquaculture forms a key component of global food security. The aim of our study was to design a combined-species medium density SNP array for Pacific oyster (C. gigas) and European flat oyster (O. edulis), and to test the performance of this array on farmed and wild populations from multiple locations, with a focus on European populations...
May 22, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28533181/comparative-genome-analysis-of-lactobacillus-plantarum-gb-lp3-provides-candidates-of-survival-related-genetic-factors
#13
Soomin Jeon, Jaehoon Jung, Kwondo Kim, DongAhn Yoo, Chanho Lee, Jungsun Kang, Kyungjin Cho, Dae-Kyung Kang, Woori Kwak, Sook Hee Yoon, Heebal Kim, Seoae Cho
Lactobacillus plantarum is found in various environmental niches such as in the gastrointestinal tract of an animal host or a fermented food. This species isolated from a certain environment is known to possess a variety of properties according to inhabited environment's adaptation. However, a causal relationship of a genetic factor and phenotype affected by a specific environment has not been systematically comprehended. L. plantarum GB-LP3 strain was isolated from Korean traditional fermented vegetable and the whole genome of GB-LP3 was sequenced...
May 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28530677/whole-genome-resequencing-of-292-pigeonpea-accessions-identifies-genomic-regions-associated-with-domestication-and-agronomic-traits
#14
Rajeev K Varshney, Rachit K Saxena, Hari D Upadhyaya, Aamir W Khan, Yue Yu, Changhoon Kim, Abhishek Rathore, Dongseon Kim, Jihun Kim, Shaun An, Vinay Kumar, Ghanta Anuradha, Kalinati Narasimhan Yamini, Wei Zhang, Sonnappa Muniswamy, Jong-So Kim, R Varma Penmetsa, Eric von Wettberg, Swapan K Datta
Pigeonpea (Cajanus cajan), a tropical grain legume with low input requirements, is expected to continue to have an important role in supplying food and nutritional security in developing countries in Asia, Africa and the tropical Americas. From whole-genome resequencing of 292 Cajanus accessions encompassing breeding lines, landraces and wild species, we characterize genome-wide variation. On the basis of a scan for selective sweeps, we find several genomic regions that were likely targets of domestication and breeding...
May 22, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28530454/-hungarian-diet-and-nutritional-status-survey-the-otap2014-study-iv-microelement-intake-of-the-hungarian-population
#15
Barbara Nagy, Zsuzsanna Nagy-Lőrincz, Márta Bakacs, Éva Illés, Eszter Sarkadi Nagy, Gergő Erdei, Éva Martos
INTRODUCTION AND AIM: The Hungarian Diet and Nutritional Status Survey examined the dietary habits of the Hungarian population. This publication presents the microelement intake. METHOD: The survey represents the microelement intake of the Hungarian non-institutionalised adult population of 18 years and older. RESULTS: While the intake of iron, copper and manganese corresponded with the recommendations in males, in females it was insufficient...
May 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28529720/recent-advances-in-metacommunities-and-meta-ecosystem-theories
#16
REVIEW
Frédéric Guichard
Metacommunity theory has provided many insights into the general problem of local versus regional control of species diversity and relative abundance. The metacommunity framework has been extended from competitive interactions to whole food webs that can be described as spatial networks of interaction networks. Trophic metacommunity theory greatly contributed to resolving the community complexity-stability debate by predicting its dependence on the regional spatial context. The meta-ecosystem framework has since been suggested as a useful simplification of complex ecosystems to apply this spatial context to spatial flows of both individuals and matter...
2017: F1000Research
https://www.readbyqxmd.com/read/28529125/the-evidence-of-apelin-has-the-bidirectional-effects-on-feeding-regulation-in-siberian-sturgeon-acipenser-baerii
#17
Jin Hao, Qing Liu, Xin Zhang, Yuanbing Wu, Jieyao Zhu, Jinwen Qi, Ni Tang, Shuyao Wang, Hong Wang, Defang Chen, Zhiqiong Li
Apelin is a peptide, mainly produced in the brain, which participates in several physiologic effects. However, knowledge about the mechanism of appetite regulation in teleosts, including the role of apelin is not well understood. The aim of this study is to explore the effect of feeding status on the expression of apelin mRNA in the whole brain and the effects of injection of apelin on food intake in Siberian sturgeon (Acipenser baerii). In this study, we first cloned the apelin cDNA sequence of the Siberian sturgeon...
May 18, 2017: Peptides
https://www.readbyqxmd.com/read/28526362/using-secondary-24-hour-dietary-recall-data-to-estimate-daily-dietary-factor-intake-from-the-flashe-study-dietary-screener
#18
Teresa M Smith, Eric E Calloway, Courtney A Pinard, Erin Hennessy, April Y Oh, Linda C Nebeling, Amy L Yaroch
INTRODUCTION: The National Cancer Institute's 2014 Family Life, Activity, Sun, Health, and Eating Study utilized a 27-item Dietary Screener tailored to adolescent eating patterns that assessed the frequency of intake of several foods and beverages in parent-adolescent dyads. This study estimated intake of fruits and vegetables (FVs), dairy, added sugars, and whole grains for screener respondents using existing, nationally representative, 24-hour dietary recall data. METHODS: Dietary Screener items were converted from frequency responses to daily intake...
June 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28524600/validation-of-smartpill-%C3%A2-wireless-motility-capsule-for-gastrointestinal-transit-time-intra-subject-variability-software-accuracy-and-comparison-with-video-capsule-endoscopy
#19
H O Diaz Tartera, D-L Webb, A Kh Al-Saffar, M A Halim, G Lindberg, P Sangfelt, P M Hellström
BACKGROUND: There is interest in ultimately combining endoscopy and motility assessments. Gastric emptying (GET), small bowel (SBTT), colon (CTT) and whole gut transit (WGTT) times are conveniently obtained by SmartPill(®) wireless motility capsule (WMC) that records luminal pH, temperature and pressure. Reproducibility within same subjects and accuracy of software derived times (MotiliGI(®) ) were investigated for diagnostic application. GET and SBTT were separately measured using video capsule endoscopy (VCE)...
May 19, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28521881/acute-fasting-inhibits-central-caspase-1-activity-reducing-anxiety-like-behavior-and-increasing-novel-object-and-object-location-recognition
#20
Albert E Towers, Maci L Oelschlager, Jay Patel, Stephen J Gainey, Robert H McCusker, Gregory G Freund
BACKGROUND: Inflammation within the central nervous system (CNS) is frequently comorbid with anxiety. Importantly, the pro-inflammatory cytokine most commonly associated with anxiety is IL-1β. The bioavailability and activity of IL-1β are regulated by caspase-1-dependent proteolysis vis-a-vis the inflammasome. Thus, interventions regulating the activation or activity of caspase-1 should reduce anxiety especially in states that foster IL-1β maturation. METHODS: Male C57BL/6j, C57BL/6j mice treated with the capase-1 inhibitor biotin-YVAD-cmk, caspase-1 knockout (KO) mice and IL-1R1 KO mice were fasted for 24h or allowed ad libitum access to food...
June 2017: Metabolism: Clinical and Experimental
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