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https://www.readbyqxmd.com/read/29053784/fish-intake-genetic-predisposition-to-alzheimer-s-disease-and-decline-in-global-cognition-and-memory-in-five-cohorts-of-older-persons
#1
Cécilia Samieri, Martha-Clare Morris, David A Bennett, Claudine Berr, Philippe Amouyel, Jean-François Dartigues, Christophe Tzourio, Daniel I Chasman, Francine Grodstein
Fish are a primary source of long-chain omega-3 fatty acids, which may help delay cognitive aging. We pooled participants from the French Three-City study and four US cohorts (Nurses' Health Study, Women's Health Study, Chicago Health and Aging Project and Rush Memory and Aging Project) with diet and cognitive data (n = 23,688 Caucasians aged ≥65 years, 88% female, baseline year range, 1992-1999, median follow-up range, 3.9-9.1 years) to investigate the relation of fish intake to cognitive decline and examine interactions with Alzheimer's disease-related genes...
October 19, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29052590/reversing-the-tide-diagnosis-and-prevention-of-t2dm-in-populations-of-african-descent
#2
REVIEW
Jean N Utumatwishima, Stephanie T Chung, Amy R Bentley, Margaret Udahogora, Anne E Sumner
Populations of African descent are at the forefront of the worldwide epidemic of type 2 diabetes mellitus (T2DM). The burden of T2DM is amplified by diagnosis after preventable complications of the disease have occurred. Earlier detection would result in a reduction in undiagnosed T2DM, more accurate statistics, more informed resource allocation and better health. An underappreciated factor contributing to undiagnosed T2DM in populations of African descent is that screening tests for hyperglycaemia, specifically, fasting plasma glucose and HbA1c, perform sub-optimally in these populations...
October 23, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29050425/sodium-butyrate-improved-performance-while-modulating-the-cecal-microbiota-and-regulating-the-expression-of-intestinal-immune-related-genes-of-broiler-chickens
#3
C Bortoluzzi, A A Pedroso, J J Mallo, M Puyalto, W K Kim, T J Applegate
This study evaluated the effect of sodium butyrate (SB) on performance, expression of immune-related genes in the cecal tonsils, and cecal microbiota of broiler chickens when dietary energy and amino acids concentrations were reduced. Day-old male Ross 708 broiler chicks were fed dietary treatments in a 3 × 2 factorial design (8 pens per treatment) with 3 dietary formulations (control diet; reduction of 2.3% of amino acids and 60 kcal/kg; and reduction of 4.6% of amino acids and 120 kcal/kg) with or without the inclusion of 0...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29048714/high-genetic-risk-scores-for-impaired-insulin-secretory-capacity-doubles-the-risk-for-type-2-diabetes-in-asians-and-is-exacerbated-by-western-type-diets
#4
Da Sol Kim, Byoung Chul Kim, James W Daily, Sunmin Park
BACKGROUND: Asians have among the highest incidence of type 2 diabetes (T2DM) in the world, partly due to low β-cell function, causing them to rapidly develop T2DM when insulin resistant. This study tested the hypothesis that genetic polymorphisms are responsible for the low β-cell function and that dietary factors interact with the genes to exacerbate their risk of T2DM. METHODS: We selected 10 genetic variants of 5 genes involved in insulin secretion (CDKAL1, KCNQ1, IDE, HHEX, and ABCA1) from the genome-wide association studies to calculate the genetic risk scores (GRSs) in 8842 Korean adults in the Ansan/Ansung cohort in the Korean Genome Epidemiology Study...
September 5, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29046420/della1-gibberellin-signaling-regulates-cytokinin-dependent-symbiotic-nodulation
#5
Camille Fonouni-Farde, Anna Kisiala, Mathias Brault, R J Neil Emery, Anouck Diet, Florian Frugier
In legume plants, low nitrogen soils promote symbiotic interactions with rhizobial bacteria, leading to the formation of nitrogen-fixing root nodules. Amongst critical signals regulating this developmental process are bacterial Nod Factors (NFs) and several plant hormones, including cytokinins (CKs) and gibberellins (GAs). Here we show in Medicago truncatula that GA signaling mediated by DELLA1 decreases the amount of bioactive CKs in roots and negatively impacts the CRE1 (Cytokinin Response 1)-dependent NF activation of a subset of CK-signaling genes, as well as of the CK-regulated NSP2 (Nodulation Signaling pathway 2) and ERN1 (ERF required for Nodulation) early nodulation genes...
October 18, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29044196/exercise-and-high-fat-feeding-remodel-transcript-metabolite-interactive-networks-in-mouse-skeletal-muscle
#6
Joaquín Pérez-Schindler, Aditi Kanhere, Lindsay Edwards, J William Allwood, Warwick B Dunn, Simon Schenk, Andrew Philp
Enhanced coverage and sensitivity of next-generation 'omic' platforms has allowed the characterization of gene, metabolite and protein responses in highly metabolic tissues, such as, skeletal muscle. A limitation, however, is the capability to determine interaction between dynamic biological networks. To address this limitation, we applied Weighted Analyte Correlation Network Analysis (WACNA) to RNA-seq and metabolomic datasets to identify correlated subnetworks of transcripts and metabolites in response to a high-fat diet (HFD)-induced obesity and/or exercise...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29034327/high-fat-diet-changes-fungal-microbiomes-and-interkingdom-relationships-in-the-murine-gut
#7
Timothy Heisel, Emmanuel Montassier, Abigail Johnson, Gabriel Al-Ghalith, Yi-Wei Lin, Li-Na Wei, Dan Knights, Cheryl A Gale
Dietary fat intake and shifts in gut bacterial community composition are associated with the development of obesity. To date, characterization of microbiota in lean versus obese subjects has been dominated by studies of gut bacteria. Fungi, recently shown to affect gut inflammation, have received little study for their role in obesity. We sought to determine the effects of high-fat diet on fungal and bacterial community structures in a mouse model using the internal transcribed spacer region 2 (ITS2) of fungal ribosomal DNA (rDNA) and the 16S rRNA genes of bacteria...
September 2017: MSphere
https://www.readbyqxmd.com/read/29033916/contribution-of-ruminal-fungi-archaea-protozoa-and-bacteria-to-the-methane-suppression-caused-by-oilseed-supplemented-diets
#8
Shaopu Wang, Katrin Giller, Michael Kreuzer, Susanne E Ulbrich, Ueli Braun, Angela Schwarm
Dietary lipids can suppress methane emission from ruminants, but effects are variable. Especially the role of bacteria, archaea, fungi and protozoa in mediating the lipid effects is unclear. In the present in vitro study, archaea, fungi and protozoa were selectively inhibited by specific agents. This was fully or almost fully successful for fungi and protozoa as well as archaeal activity as determined by the methyl-coenzyme M reductase alpha subunit gene. Five different microbial treatments were generated: rumen fluid being intact (I), without archaea (-A), without fungi (-F), without protozoa (-P) and with bacteria only (-AFP)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29033850/designing-dietary-recommendations-using-system-level-interactomics-analysis-and-network-based-inference
#9
Tingting Zheng, Yueqiong Ni, Jun Li, Billy K C Chow, Gianni Panagiotou
Background: A range of computational methods that rely on the analysis of genome-wide expression datasets have been developed and successfully used for drug repositioning. The success of these methods is based on the hypothesis that introducing a factor (in this case, a drug molecule) that could reverse the disease gene expression signature will lead to a therapeutic effect. However, it has also been shown that globally reversing the disease expression signature is not a prerequisite for drug activity. On the other hand, the basic idea of significant anti-correlation in expression profiles could have great value for establishing diet-disease associations and could provide new insights into the role of dietary interventions in disease...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29028844/a-polyphenol-enriched-diet-and-ascaris-suum-infection-modulate-mucosal-immune-responses-and-gut-microbiota-composition-in-pigs
#10
Andrew R Williams, Lukasz Krych, Hajar Fauzan Ahmad, Peter Nejsum, Kerstin Skovgaard, Dennis S Nielsen, Stig M Thamsborg
Polyphenols are a class of bioactive plant secondary metabolites that are thought to have beneficial effects on gut health, such as modulation of mucosal immune and inflammatory responses and regulation of parasite burdens. Here, we examined the interactions between a polyphenol-rich diet supplement and infection with the enteric nematode Ascaris suum in pigs. Pigs were fed either a basal diet or the same diet supplemented with grape pomace (GP), an industrial by-product rich in polyphenols such as oligomeric proanthocyanidins...
2017: PloS One
https://www.readbyqxmd.com/read/29028359/complex-interaction-between-circadian-rhythm-and-diet-on-bile-acid-homeostasis-in-male-rats
#11
Hannah M Eggink, Johanneke E Oosterman, Paul de Goede, Emmely M de Vries, Ewout Foppen, Martijn Koehorst, Albert K Groen, Anita Boelen, Johannes A Romijn, Susanne E la Fleur, Maarten R Soeters, Andries Kalsbeek
Desynchronization between the master clock in the brain, which is entrained by (day) light, and peripheral organ clocks, which are mainly entrained by food intake, may have negative effects on energy metabolism. Bile acid metabolism follows a clear day/night rhythm. We investigated whether in rats on a normal chow diet the daily rhythm of plasma bile acids and hepatic expression of bile acid metabolic genes is controlled by the light/dark cycle or the feeding/fasting rhythm. In addition, we investigated the effects of high caloric diets and time-restricted feeding on daily rhythms of plasma bile acids and hepatic genes involved in bile acid synthesis...
October 13, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29022519/effects-of-methionine-hydroxy-analogue-supplementation-on-the-expression-of-antioxidant-related-genes-of-acute-heat-stress-exposed-broilers
#12
E Gasparino, A P Del Vesco, A S Khatlab, V Zancanela, D O Grieser, S C C Silva
We evaluated the effects of heat stress (HS) and methionine supplementation on biological markers of stress and expression of the genes for superoxide dismutase (SOD), thioredoxin (TRx), thioredoxin reductase 1 (TRxR1) and methionine sulfoxide reductase A (MsrA) in broilers aged 1 to 21 or 22 to 42 days. The broilers were divided into two treatments, one with the recommended level of methionine supplementation (MS, supplementation of dl-2-hydroxy-4-methylthiobutanoic acid (dl-HMTBA)) and one without methionine supplementation (MD)...
October 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29022091/maternal-high-fat-diet-and-early-life-stress-differentially-modulate-spine-density-and-dendritic-morphology-in-the-medial-prefrontal-cortex-of-juvenile-and-adult-rats
#13
Marion Rincel, Amandine L Lépinay, Yoottana Janthakhin, Gwenaëlle Soudain, Sophie Yvon, Stéphanie Da Silva, Corinne Joffre, Agnès Aubert, Alexandra Séré, Sophie Layé, Vassilia Theodorou, Guillaume Ferreira, Muriel Darnaudéry
The medial prefrontal cortex (mPFC) is a key area for the regulation of numerous brain functions including stress response and cognitive processes. This brain area is also particularly affected by adversity during early life. Using an animal model in rats, we recently demonstrated that maternal exposure to a high-fat diet (HFD) prevents maternal separation (MS)-induced gene expression alterations in the developing PFC and attenuates several long-term deleterious behavioral effects of MS. In the present study, we ask whether maternal HFD could protect mPFC neurons of pups exposed to early life stress by examining dendritic morphology and spine density in juvenile [postnatal day (PND) 21] and adult rats submitted to MS...
October 11, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28992000/differential-expression-of-neuregulin-1-nrg1-and-candidate-mirna-regulating-nrg1-transcription-in-the-chicken-oviduct-in-response-to-hormonal-changes
#14
W Jeong, H Bae, W Lim, F W Bazer, G Song
Neuregulin 1 (NRG1), a signaling protein that binds to members of the erythroblastoma (ErbB) family, is known to play essential biological roles in mediating cell-cell interactions and orchestrating vital cell functions in the heart and nervous system. NRG1 is closely associated with developmental processes in various organs and expression of several NRG1 isoforms are regulated by estrogen. However, expression and its hormonal regulation during development of the female reproductive tract remain unknown. The reproductive system of chickens undergoes dynamic morphological and functional changes in response to estrogen and the molting process...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28991856/genetic-polymorphisms-in-fatty-acid-metabolism-modify-the-association-between-dietary-n3-n6-intake-and-risk-of-ulcerative-colitis-a-prospective-cohort-study
#15
Ashwin N Ananthakrishnan, Hamed Khalili, Mingyang Song, Leslie M Higuchi, Paul Lochhead, James M Richter, Andrew T Chan
INTRODUCTION: High intake of dietary n-3 polyunsaturated fatty acids (PUFA) is associated with a decreased risk of ulcerative colitis (UC) and Crohn's disease (CD). However, results have been heterogeneous suggesting that genetic variations in PUFA metabolism may modify this risk. METHODS: We conducted a case-control study nested within 2 prospective cohorts, the Nurses' Health Study (NHS) and NHS II. Among women providing blood (n = 62,437) or buccal cells (n = 59,543) for genotyping, we confirmed new diagnoses of CD or UC...
November 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28990804/effects-of-a-blend-of-essential-oils-and-overcrowding-stress-on-the-growth-performance-meat-quality-and-heat-shock-protein-gene-expression-of-broilers
#16
S M Hosseini, H Farhangfar, R Nourmohammadi
1. Overcrowding stress is common in the poultry industry. Chickens exposed to long-term stressful situations are characterised by welfare impairment and immunosuppression. The present study evaluated the effects of a blend of essential oils (EOB; cinnamaldehyde and thymol) and stocking density on the performance, gut microflora, meat quality, and physiological stress markers of broilers. One-day-old Ross 308 male broiler chickens (n = 360) were allocated to 4 experimental groups from d 22 to 42. Each treatment had 6 replicates of 15 chicks...
October 9, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28985395/nonhuman-primates-and-translational-research-cardiovascular-disease
#17
Laura A Cox, Michael Olivier, Kimberly Spradling-Reeves, Genesio M Karere, Anthony G Comuzzie, John L VandeBerg
Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the United States. Human epidemiological studies provide challenges for understanding mechanisms that regulate initiation and progression of CVD due to variation in lifestyle, diet, and other environmental factors. Studies describing metabolic and physiologic aspects of CVD, and those investigating genetic and epigenetic mechanisms influencing CVD initiation and progression, have been conducted in multiple Old World nonhuman primate (NHP) species...
August 28, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28980890/macronutrient-intakes-and-serum-oestrogen-and-interaction-with-polymorphisms-in-cyp19a1-and-hsd17b1-genes-a-cross-sectional-study-in-postmenopausal-japanese-women
#18
Sahoko Takagi, Mariko Naito, Sayo Kawai, Rieko Okada, Chisato Nagata, Satoyo Hosono, Yuichiro Nishida, Naoyuki Takashima, Sadao Suzuki, Ippei Shimoshikiryo, Haruo Mikami, Hirokazu Uemura, Nagato Kuriyama, Keizo Ohnaka, Michiaki Kubo, Nobuyuki Hamajima, Hideo Tanaka, Kenji Wakai
Although higher circulating levels of oestrogen are related to postmenopausal breast cancer risk, limited information is available regarding effects of diet on endogenous oestrogen. Thus, we examined associations between macronutrient intakes and serum oestrogen with consideration of polymorphisms in oestrogen-metabolising genes. In this cross-sectional study, 784 naturally menopaused Japanese women aged 47-69 years were selected from participants of the Japan Multi-Institutional Collaborative Cohort Study...
September 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28977868/thioredoxin-plays-a-key-role-in-retinal-neuropathy-prior-to-endothelial-damage-in-diabetic-mice
#19
Xiang Ren, Chen Li, Junli Liu, Chenghong Zhang, Yuzhen Fu, Nina Wang, Haiying Ma, Heyuan Lu, Hui Kong, Li Kong
Diabetes is a chronic metabolic syndrome that results in changes in carbohydrate, lipid and protein metabolism. With diabetes for a long time, it increases the risk of diabetic retinopathy (DR) and long-term morbidity and mortality. Moreover, emerging evidence suggests that neuron damage occurs earlier than microvascular complications in DR patients, but the underlying mechanism is unclear. We investigated diabetes-induced retinal neuropathy and elucidated key molecular events to identify new therapeutic targets for the clinical treatment and prevention of DR...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28975627/meat-consumption-during-pregnancy-and-substance-misuse-among-adolescent-offspring-stratification-of-tcn2-genetic-variants
#20
Joseph R Hibbeln, John Paul SanGiovanni, Jean Golding, Pauline M Emmett, Kate Northstone, John M Davis, Marc Schuckit, Jon Heron
BACKGROUND: Reducing meat consumption is often advised; however, inadvertent nutritional deficiencies during pregnancy may result in residual neurodevelopmental harms to offspring. This study assessed possible effects of maternal diets in pregnancy on adverse substance use among adolescent offspring. METHODS: Pregnant women and their 13-year-old offspring taking part in a prospective birth cohort study, the Avon Longitudinal Study of Parents and Children (ALSPAC), provided Food Frequency Questionnaire data from which dietary patterns were derived using principal components analysis...
October 4, 2017: Alcoholism, Clinical and Experimental Research
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