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Nutrition epigenetics

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https://www.readbyqxmd.com/read/27923508/surfacing-role-of-probiotics-in-cancer-prophylaxis-and-therapy-a-systematic-review
#1
REVIEW
Subramanyam Dasari, Chandrasekhar Kathera, Avilala Janardhan, Arthala Praveen Kumar, Buddolla Viswanath
Cancers figure among the most important causes of morbidity and mortality worldwide. Cancer and its associated infections are always complicated even when specific cancer regimens are available. It is well proved that Lactobacillus and other probiotic bacteria can modulate-ameliorate specific mechanisms against various infections including cancers. The present systematic review is intended to focus on the 'cellular and molecular mechanisms' of probiotic bacteria in the prevention and treatment of various cancers...
November 24, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27919301/the-integration-of-epigenetics-and-genetics-in-nutrition-research-for-cvd-risk-factors
#2
Yiyi Ma, Jose M Ordovas
There is increasing evidence documenting gene-by-environment (G × E) interactions for CVD related traits. However, the underlying mechanisms are still unclear. DNA methylation may represent one of such potential mechanisms. The objective of this review paper is to summarise the current evidence supporting the interplay among DNA methylation, genetic variants, and environmental factors, specifically (1) the association between SNP and DNA methylation; (2) the role that DNA methylation plays in G × E interactions...
December 6, 2016: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/27906710/who-s-your-daddy-paternal-inheritance-of-metabolic-disease-risk
#3
Elvira Isganaitis, Harumi Suehiro, Connie Cardona
PURPOSE OF REVIEW: Although the importance of optimizing mothers' health prior to conception and during pregnancy is now well accepted, recent data also implicate health and nutritional status of fathers as contributors to chronic disease risk in their progeny. This brief review will highlight recent epidemiological and experimental studies linking paternal overnutrition, undernutrition, and other forms of stress, to metabolic disease in the offspring. RECENT FINDINGS: The past 2 years have brought tremendous insights into the mechanisms by which paternal exposures can contribute to disease susceptibility in the next generation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27898587/maternal-epigenetics-and-fetal-and-neonatal-growth
#4
Sofia Kitsiou-Tzeli, Maria Tzetis
PURPOSE OF REVIEW: The article provides an update on new insights of factors altering inherited maternal epigenome that ultimately affect fetal and neonatal growth. RECENT FINDINGS: A number of new publications have identified mechanisms through which maternal nutrition, environmental exposures such as stress and toxic substances altering expression of imprinted genes during pregnancy can influence fetal and neonatal phenotype and susceptibility to disease development later in life...
November 24, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/27889707/transgenerational-programming-of-longevity-through-e-z-mediated-histone-h3k27-trimethylation-in-drosophila
#5
Brian Xia, Ed Gerstin, Dustin E Schones, Wendong Huang, J Steven de Belle
Transgenerational effects on health and development of early-life nutrition have gained increased attention recently. However, the underlying mechanisms of transgenerational transmission are only starting to emerge, with epigenetics as perhaps the most important mechanism. We recently reported the first animal model to study transgenerational programming of longevity after early-life dietary manipulations, enabling investigations to identify underlying epigenetic mechanisms. We report here that post-eclosion dietary manipulation (PDM) with a low-protein (LP) diet upregulates the protein level of E(z), an H3K27 specific methyltransferase, leading to higher levels of H3K27 trimethylation (H3K27me3)...
November 25, 2016: Aging
https://www.readbyqxmd.com/read/27888489/the-role-of-dna-methylation-in-hypertension
#6
Masashi Demura, Kiyofumi Saijoh
DNA methylation is the covalent modification of DNA that affects its function, without altering DNA sequences. Three important roles of DNA methylation include intrauterine programming, acquired predisposition, and transgenerational inheritance. A wide variety of factors can affect DNA methylation. Intrauterine programming involves drastic changes in DNA methylation patterns during cellular development and differentiation, which have a long-lasting effect on the predisposition of offspring. Influences from the mother, including maternal nutritional status, modify intrauterine epigenetic programming...
November 26, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27881521/is-famine-exposure-during-developmental-life-in-rural-bangladesh-associated-with-a-metabolic-and-epigenetic-signature-in-young-adulthood-a-historical-cohort-study
#7
S Finer, M S Iqbal, R Lowe, B W Ogunkolade, S Pervin, C Mathews, M Smart, D S Alam, G A Hitman
OBJECTIVES: Famine exposure in utero can 'programme' an individual towards type 2 diabetes and obesity in later life. We sought to identify, (1) whether Bangladeshis exposed to famine during developmental life are programmed towards diabetes and obesity, (2) whether this programming was specific to gestational or postnatal exposure windows and (3) whether epigenetic differences were associated with famine exposure. DESIGN: A historical cohort study was performed as part of a wider cross-sectional survey...
November 23, 2016: BMJ Open
https://www.readbyqxmd.com/read/27879329/phenotypic-profiling-reveals-that-candida-albicans-opaque-cells-represent-a-metabolically-specialized-cell-state-compared-to-default-white-cells
#8
Iuliana V Ene, Matthew B Lohse, Adrian V Vladu, Joachim Morschhäuser, Alexander D Johnson, Richard J Bennett
: The white-opaque switch is a bistable, epigenetic transition affecting multiple traits in Candida albicans including mating, immunogenicity, and niche specificity. To compare how the two cell states respond to external cues, we examined the fitness, phenotypic switching, and filamentation properties of white cells and opaque cells under 1,440 different conditions at 25°C and 37°C. We demonstrate that white and opaque cells display striking differences in their integration of metabolic and thermal cues, so that the two states exhibit optimal fitness under distinct conditions...
November 22, 2016: MBio
https://www.readbyqxmd.com/read/27876555/one-carbon-metabolism-and-epigenetics
#9
REVIEW
Simonetta Friso, Silvia Udali, Domenica De Santis, Sang-Woon Choi
The function of one-carbon metabolism is that of regulating the provision of methyl groups for biological methylation reactions including that of DNA and histone proteins. Methylation at specific sites into the DNA sequence and at histone tails are among the major epigenetic feature of mammalian genome for the regulation of gene expression. The enzymes within one-carbon metabolism are dependent from a number of vitamins or nutrients that serve either as co-factors or methyl acceptors or donors among which folate, vitamin B12, vitamin B6, betaine, choline and methionine have a major role...
November 19, 2016: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/27869693/putting-the-barker-theory-into-the-future-time-to-act-on-preventing-pediatric-obesity
#10
EDITORIAL
Angelo Pietrobelli, Massimo Agosti, Gianvincenzo Zuccotti, The MeNu Group
Growth and development are key characteristics of childhood and sensitive markers of health and adequate nutrition. The first 1000 days of life-conception through 24 months of age-represent a fundamental period for development and thus the prevention of childhood obesity and its adverse consequences is mandatory. There are many growth drivers during this complex phase of life, such as nutrition, genetic and epigenetic factors, and hormonal regulation. The challenge thus involves maximizing the potential for normal growth without increasing the risk of associated disorders...
November 17, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27862974/phenotypic-variation-in-food-utilization-in-an-outbreak-insect-herbivore
#11
Roberto Quezada-García, Álvaro Fuentealba, Éric Bauce
The effects of nutrition may have subtantial impact on insect evolution by shaping different components of phenotypes. The key to undestanding this evolutionary process is to know how nutritional condition affects additive and non-additive components of the phenotype. However, this is poorly understood in outbreaking insects. We investigated the additive and non-additive variation present in food utilization traits in spruce budworm individuals subjected to chronic nutritional stress. 160 full-sib families of spruce budworm (Choristoneura fumiferana Clem...
November 8, 2016: Insect Science
https://www.readbyqxmd.com/read/27830979/dietary-and-supplemental-maternal-methyl-group-donor-intake-and-cord-blood-dna-methylation
#12
Sara Pauwels, Manosij Ghosh, Radu Corneliu Duca, Bram Bekaert, Kathleen Freson, Inge Huybrechts, Sabine Langie, Gudrun Koppen, Roland Devlieger, Lode Godderis
Maternal nutrition is critically involved in the development and health of the fetus. We evaluated maternal methyl-group donor intake through diet (methionine, betaine, choline, folate) and supplementation (folic acid) before and during pregnancy in relation to global DNA methylation and hydroxymethylation and gene specific (IGF2 DMR, DNMT1, LEP, RXRA) cord blood methylation. A total of 115 mother-infant pairs were enrolled in the MAternal Nutrition and Offspring's Epigenome (MANOE) study. The intake of methyl-group donors was assessed using a food-frequency questionnaire...
November 10, 2016: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/27830397/zmsbt1-and-zmsbt2-two-new-subtilisin-like-serine-proteases-genes-expressed-in-early-maize-kernel-development
#13
Maribel López, Elisa Gómez, Christian Faye, Denise Gerentes, Wyatt Paul, Joaquín Royo, Gregorio Hueros, Luis M Muñiz
Two subtilisin-like proteases show highly specific and complementary expression patterns in developing grains. These genes label the complete surface of the filial-maternal interface, suggesting a role in filial epithelial differentiation. The cereal endosperm is the most important source of nutrition and raw materials for mankind, as well as the storage compartment enabling initial growth of the germinating plantlets. The development of the different cell types in this tissue is regulated environmentally, genetically and epigenetically, resulting in the formation of top-bottom, adaxial-abaxial and surface-central axes...
November 9, 2016: Planta
https://www.readbyqxmd.com/read/27822319/effect-of-prenatal-dha-supplementation-on-the-infant-epigenome-results-from-a-randomized-controlled-trial
#14
Susan J van Dijk, Jing Zhou, Timothy J Peters, Michael Buckley, Brodie Sutcliffe, Yalchin Oytam, Robert A Gibson, Andrew McPhee, Lisa N Yelland, Maria Makrides, Peter L Molloy, Beverly S Muhlhausler
BACKGROUND: Evidence is accumulating that nutritional exposures in utero can influence health outcomes in later life. Animal studies and human epidemiological studies have implicated epigenetic modifications as playing a key role in this process, but there are limited data from large well-controlled human intervention trials. This study utilized a large double-blind randomized placebo-controlled trial to test whether a defined nutritional exposure in utero, in this case docosahexaenoic acid (DHA), could alter the infant epigenome...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27822224/nutritional-influence-on-epigenetic-marks-and-effect-on-livestock-production
#15
REVIEW
Brenda M Murdoch, Gordon K Murdoch, Sabrina Greenwood, Stephanie McKay
Nutrition represents one of the greatest environmental determinants of an individual's health. While nutrient quantity and quality impart direct effects, the interaction of nutrition with genetic and epigenetic modifications is often overlooked despite being shown to influence biological variation in mammals. Dissecting complex traits, such as those that are diet or nutrition related, to determine the genetic and epigenetic contributions toward a phenotype can be a formidable process. Epigenetic modifications add another layer of complexity as they do not change the DNA sequence itself but can affect transcription and are important mediators of gene expression and ensuing phenotypic variation...
2016: Frontiers in Genetics
https://www.readbyqxmd.com/read/27809756/recent-patents-in-agricultural-biotechnology-focus-on-health
#16
Abdullah Makhzoum, Srividhya Venkataraman, Jocelyne Tremouillaux-Guiller, Kathleen L Hefferon
BACKGROUND: Agricultural biotechnology, including the generation of genetically modified food crops, has been the subject of much controversy over the last few years. Initially serving the basic needs of farmers, Ag Biotech has more recently gained much appeal for its opportunities with respect to both the nutritional and pharmaceutical sciences. METHODS: The following review describes a number of recently approved patents that could have direct implications for the field of medicine...
November 1, 2016: Recent Patents on Food, Nutrition & Agriculture
https://www.readbyqxmd.com/read/27806066/prevalence-and-predictors-of-malnutrition-among-guatemalan-children-at-2-years-of-age
#17
Jason M Nagata, James Gippetti, Stefan Wager, Alejandro Chavez, Paul H Wise
OBJECTIVE: To identify the prevalence and predictors of malnutrition among 2-year old children in the Western Highlands of Guatemala. METHODS: Prospective cohort of 852 Guatemalan children in San Lucas Toliman, Guatemala followed from birth to age 2 from May 2008 to December 2013. Socio-demographic, anthropometric, and health data of children was collected at 2 month intervals. RESULTS: Among the 402 males and 450 females in the cohort, mean weight-for-age Z-score (WAZ) declined from -0...
2016: PloS One
https://www.readbyqxmd.com/read/27790049/hypermetabolic-conversion-of-plant-oil-into-water-endothermic-biochemical-process-stimulated-by-juvenile-hormone-in-the-european-firebug-pyrrhocoris-apterus-l
#18
Karel Sláma, Jan Lukáš
The physiological and biochemical mechanisms that enable insects to feed on dry food to secure enough water for larval growth were investigated. The study was carried out with a plethora of physiological methods, ranging from the simple volumetric determination of O2 consumption and water intake to more advanced methods such as scanning microrespirography and thermovision imaging of insect's body temperature. The experiments were done on the European firebug, Pyrrhocoris apterus, which feeds exclusively on dry linden seeds...
2016: International Journal of Insect Science
https://www.readbyqxmd.com/read/27780972/developmental-origins-of-nafld-a-womb-with-a-clue
#19
REVIEW
Stephanie R Wesolowski, Karim C El Kasmi, Karen R Jonscher, Jacob E Friedman
Changes in the maternal environment leading to an altered intrauterine milieu can result in subtle insults to the fetus, promoting increased lifetime disease risk and/or disease acceleration in childhood and later in life. Particularly worrisome is that the prevalence of NAFLD is rapidly increasing among children and adults, and is being diagnosed at increasingly younger ages, pointing towards an early-life origin. A wealth of evidence, in humans and non-human primates, suggests that maternal nutrition affects the placenta and fetal tissues, leading to persistent changes in hepatic metabolism, mitochondrial function, the intestinal microbiota, liver macrophage activation and susceptibility to NASH postnatally...
October 26, 2016: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27770020/early-micronutrient-supplementation-protects-against-early-stress-induced-cognitive-impairments
#20
Eva F G Naninck, J Efraim Oosterink, Kit-Yi Yam, Lennart P de Vries, Henk Schierbeek, Johannes B van Goudoever, Rikst-Nynke Verkaik-Schakel, Josèe A Plantinga, Torsten Plosch, Paul J Lucassen, Aniko Korosi
Early-life stress (ES) impairs cognition later in life. Because ES prevention is problematic, intervention is needed, yet the mechanisms that underlie ES remain largely unknown. So far, the role of early nutrition in brain programming has been largely ignored. Here, we demonstrate that essential 1-carbon metabolism-associated micronutrients (1-CMAMs; i.e., methionine and B vitamins) early in life are crucial in programming later cognition by ES. ES was induced in male C57Bl/6 mice from postnatal d (P)2-9. 1-CMAM levels were measured centrally and peripherally by using liquid chromatography-mass spectroscopy...
October 21, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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