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Nutrition epigenetics

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https://www.readbyqxmd.com/read/28934858/metabolism-nutrition-and-redox-signaling-of-hydroxyproline
#1
Zhenlong Wu, Yongqing Hou, Zhaolai Dai, Chien-An Hu, Guoyao Wu
SIGNIFICANCE: Hydroxyproline is a structurally and physiologically important imino acid in animals. It is provided from diets and endogenous synthesis, and its conversion into glycine is enhances the production of glutathione, DNA, heme, and protein. Furthermore, oxidation of hydroxyproline by hydroxyproline oxidase plays an important role in cell antioxidative reactions, survival, and homeostasis. Understanding the mechanisms whereby hydroxyproline participates in metabolism and cell signaling can improve the nutrition and health of animals and humans...
September 21, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28931409/clinical-review-of-24-35%C3%A2-year-olds-conceived-with-and-without-in-vitro-fertilization-study-protocol
#2
Sharon Lewis, Joanne Kennedy, David Burgner, Robert McLachlan, Sarath Ranganathan, Karin Hammarberg, Richard Saffery, David J Amor, Michael M H Cheung, Lex W Doyle, Markus Juonala, Susan Donath, John McBain, Jane Halliday
BACKGROUND: Children conceived by assisted reproductive technologies (ART) currently comprise 4% of Australian births. The manipulation of biological parameters related to fertilization and implantation are integral to successful ART but potentially pose a risk to the longer-term health of the offspring. There is consensus that many common adult health problems (particularly cardiovascular, metabolic and respiratory conditions) have their origins in early life, possibly before birth, and that risk trajectories track through childhood until clinical disease manifests in adulthood...
September 20, 2017: Reproductive Health
https://www.readbyqxmd.com/read/28930592/choline-the-brain-and-neurodegeneration-insights-from-epigenetics
#3
Rola A Bekdash
  Neurodegenerative disorders are a major public health problem worldwide with huge socioeconomic effect. Recent evidence suggests that neurodegeneration is not only caused by genetic factors but also affected by environmental factors including nutrients. Environmental influences have been shown to cause epigenetic modifications in the brain with long-lasting effects on behavior if they occur in early life. It has been suggested that early nutritional intervention that includes choline, betaine, VitB6, VitB12 and/or folic acid could attenuate decline in cognitive functions...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28928767/genome-wide-epigenetic-characterization-of-tissues-from-three-germ-layers-isolated-from-sheep-fetuses
#4
Emanuele Capra, Paola Toschi, Marcello Del Corvo, Barbara Lazzari, Pier A Scapolo, Pasqualino Loi, John L Williams, Alessandra Stella, Paolo Ajmone-Marsan
DNA methylation of regulatory and growth-related genes contributes to fetal programming which is important for maintaining the correct development of three germ layers of the embryo that develope into different tissues and organs, and which persists into adult life. In this study, a preliminary epigenetic screen was performed to define genomic regions that are involved in fetal epigenome remodeling. Embryonic ectodermic tissues (origin of nervous tissue), mesenchymal tissues (origin of connective and muscular tissues), and foregut endoderm tissues (origin of epithelial tissue), from day 28 sheep fetuses were collected and the distribution of methylated CpGs was analyzed using whole-genome bisulfite sequencing...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28921259/epigenetic-effects-of-the-pregnancy-mediterranean-diet-adherence-on-the-offspring-metabolic-syndrome-markers
#5
REVIEW
David Lorite Mingot, Eva Gesteiro, Sara Bastida, Francisco J Sánchez-Muniz
Metabolic syndrome (MS) has a multifactorial and not yet fully clarified origin. Insulin resistance is a key element that connects all the accepted components of MS (obesity, dyslipemia, high blood pressure, and hyperglycemia). There is strong evidence that epigenetic changes during fetal development are key factors in the development of MS. These changes are induced by maternal nutrition, among different factors, affecting the intrauterine environment. The Mediterranean diet has been shown to be a healthy eating pattern that protects against the development of MS in adults...
September 18, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28879172/epigenetic-matters-the-link-between-early-nutrition-microbiome-and-long-term-health-development
#6
REVIEW
Flavia Indrio, Silvia Martini, Ruggiero Francavilla, Luigi Corvaglia, Fernanda Cristofori, Salvatore Andrea Mastrolia, Josef Neu, Samuli Rautava, Giovanna Russo Spena, Francesco Raimondi, Giuseppe Loverro
Epigenetic modifications are among the most important mechanisms by which environmental factors can influence early cellular differentiation and create new phenotypic traits during pregnancy and within the neonatal period without altering the deoxyribonucleic acid sequence. A number of antenatal and postnatal factors, such as maternal and neonatal nutrition, pollutant exposure, and the composition of microbiota, contribute to the establishment of epigenetic changes that can not only modulate the individual adaptation to the environment but also have an influence on lifelong health and disease by modifying inflammatory molecular pathways and the immune response...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28878180/bariatric-surgery-and-precision-nutrition
#7
REVIEW
Carolina F Nicoletti, Cristiana Cortes-Oliveira, Marcela A S Pinhel, Carla B Nonino
This review provides a literature overview of new findings relating nutritional genomics and bariatric surgery. It also describes the importance of nutritional genomics concepts in personalized bariatric management. It includes a discussion of the potential role bariatric surgery plays in altering the three pillars of nutritional genomics: nutrigenetics, nutrigenomics, and epigenetics. We present studies that show the effect of each patient's genetic and epigenetic variables on the response to surgical weight loss treatment...
September 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28867793/diet-gut-microbiome-and-epigenetics-emerging-links-with-inflammatory-bowel-diseases-and-prospects-for-management-and-prevention
#8
REVIEW
Krasimira Aleksandrova, Beatriz Romero-Mosquera, Vicent Hernandez
Inflammatory bowel diseases (IBD) represent a growing public health concern due to increasing incidence worldwide. The current notion on the pathogenesis of IBD is that genetically susceptible individuals develop intolerance to dysregulated gut microflora (dysbiosis) and chronic inflammation develops as a result of environmental triggers. Among the environmental factors associated with IBD, diet plays an important role in modulating the gut microbiome, influencing epigenetic changes, and, therefore, could be applied as a therapeutic tool to improve the disease course...
August 30, 2017: Nutrients
https://www.readbyqxmd.com/read/28864990/exploitation-of-non-mammalian-model-organisms-in-epigenetic-research
#9
William V Holt
Model organisms are widely used in research that is ultimately aimed at understanding the causes and consequences of human disease. It may seem counterintuitive to expect clinically useful information to be obtained from species as diverse as fishes and insects, but because fundamental biological mechanisms share evolutionary origins they transcend species barriers. Epigenetic mechanisms fulfil this expectation admirably as more and more is discovered about the basic operational rules of inheritance, which are much more elaborate than formerly thought...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28864989/the-long-term-effects-of-the-periconceptional-period-on-embryo-epigenetic-profile-and-phenotype-the-paternal-role-and-his-contribution-and-how-males-can-affect-offspring-s-phenotype-epigenetic-profile
#10
Emma S Lucas, Adam J Watkins
The number of adults afflicted with heart disease, obesity and diabetes, central components of metabolic disorder, has grown rapidly in recent decades, affecting up to one quarter of the world's population. Typically, these diseases are attributed to lifestyle factors such as poor diet, lack of exercise and smoking. However, studies have now identified strong associations between patterns of growth during foetal and neonatal life and an increase predisposition towards developing heart disease, obesity and diabetes in adult life...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28864986/the-role-of-maternal-nutrition-during-the-periconceptional-period-and-its-effect-on-offspring-phenotype
#11
Tom P Fleming, Judith J Eckert, Oleg Denisenko
The early preimplantation embryo has been rigorously studied for decades to understand inherent reproductive and developmental mechanisms driving its morphogenesis from before fertilisation through to and beyond implantation. Recent research has demonstrated that this short developmental window is also critical for the embryo's interaction with external, maternal factors, particularly nutritional status. Here, maternal dietary quality has been shown to alter the pattern of development in an enduring way that can influence health throughout the lifetime...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28853006/are-the-current-guidelines-on-caffeine-use-in-sport-optimal-for-everyone-inter-individual-variation-in-caffeine-ergogenicity-and-a-move-towards-personalised-sports-nutrition
#12
Craig Pickering, John Kiely
Caffeine use is widespread in sport, with a strong evidence base demonstrating its ergogenic effect. Based on existing research, current guidelines recommend ingestion of 3-9 mg/kg approximately 60 min prior to exercise. However, the magnitude of performance enhancement following caffeine ingestion differs substantially between individuals, with the spectrum of responses ranging between highly ergogenic to ergolytic. These extensive inter-individual response distinctions are mediated by variation in individual genotype, environmental factors, and the legacy of prior experiences partially mediated via epigenetic mechanisms...
August 29, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28843785/hif-1%C3%AE-coordinates-epigenetic-activation-of-siah1-in-hepatocytes-in-response-to-nutritional-stress
#13
Zhiwen Fan, Zilong Li, Yuyu Yang, Shuai Liu, Junli Guo, Yong Xu
Hypoxia inducible factor 1 alpha (HIF-1α) regulates a diverse range of pathophysiological processes. It has been demonstrated previously that HIF-1α plays a role in the pathogenesis of steatosis mediating the effects of excessive nutritional insults. In the present study we investigated the role of HIF-1α in trans‑activating the seven in absentia homolog 1 (SIAH1) gene and the underlying mechanism. We report that in response to nutritional stress, SIAH1 expression was up-regulated in the liver in mice and in cultured hepatocytes...
August 24, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28837121/diagnostic-approach-to-pulmonary-hypertension-in-premature-neonates
#14
REVIEW
Vasantha H S Kumar
Bronchopulmonary dysplasia (BPD) is a form of chronic lung disease in premature infants following respiratory distress at birth. With increasing survival of extremely low birth weight infants, alveolar simplification is the defining lung characteristic of infants with BPD, and along with pulmonary hypertension, increasingly contributes to both respiratory morbidity and mortality in these infants. Growth restricted infants, infants born to mothers with oligohydramnios or following prolonged preterm rupture of membranes are at particular risk for early onset pulmonary hypertension...
August 24, 2017: Children
https://www.readbyqxmd.com/read/28835661/association-between-serum-folate-and-insulin-resistance-among-u-s-nondiabetic-adults
#15
Jinchao Li, Charlene E Goh, Ryan T Demmer, Brian W Whitcomb, Peng Du, Zhenhua Liu
Recent studies have suggested that epigenetic alterations, particularly DNA methylation, play a crucial role in the pathogenesis of insulin resistance. Folate is a key source of the one-carbon group for DNA methylation, whereas the association and mechanistic linkage between folate status and insulin resistance remains unclear with very limited experimental support. We performed a cross-sectional study of 1530 nondiabetic adults in the 2011-2012 National Health and Nutrition Examination Survey (NHANES). We examined associations between serum folate and insulin resistance using multiple linear regression models adjusted for potential confounders...
August 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821223/maternal-nutrient-restriction-in-mid-to-late-gestation-influences-fetal-mrna-expression-in-muscle-tissues-in-beef-cattle
#16
Francois Paradis, Katie M Wood, Kendall C Swanson, Stephen P Miller, Brian W McBride, Carolyn Fitzsimmons
BACKGROUND: Manipulating maternal nutrition during specific periods of gestation can result in re-programming of fetal and post-natal development. In this experiment we investigated how a feed restriction of 85% compared with 140% of total metabolizable energy requirements, fed to cows during mid-to-late gestation, influences phenotypic development of fetuses and mRNA expression of growth (Insulin-Like Growth Factor family and Insulin Receptor (INSR)), myogenic (Myogenic Differentiation 1 (MYOD1), Myogenin (MYOG), Myocyte Enhancer Factor 2A (MEF2A), Serum Response Factor (SRF)) and adipogenic (Peroxisome Proliferator Activated Receptor Gamma (PPARG)) genes in fetal longissimus dorsi (LD) and semitendinosus (ST) muscle...
August 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28818081/what-makes-gouty-inflammation-so-variable
#17
REVIEW
Robert Terkeltaub
Acute gout arthritis flares contribute dominantly to gout-specific impaired health-related quality of life, representing a progressively increasing public health problem. Flares can be complex and expensive to treat, partly due to the frequent comorbidities. Unmet needs in gout management are more pressing given the markedly increasing gout flare hospital admission rates. In addition, chronic gouty arthritis can cause joint damage and functional impairment. This review addresses new knowledge on the basis for the marked, inherent variability of responses to deposited urate crystals, including the unpredictable and self-limited aspects of many gout flares...
August 18, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28806274/transfusion-related-immunomodulation-a-reappraisal
#18
Lyla A Youssef, Steven L Spitalnik
PURPOSE OF REVIEW: This review summarizes current and prior observations regarding transfusion-related immunomodulation (TRIM) and puts these ideas into a modern immunological context, incorporating concepts from innate, adaptive, and nutritional immunity. We propose that TRIM research focus on determining whether there are specific, well-defined immunosuppressive effects from transfusing 'pure' red blood cells (RBCs) themselves, along with the by-products produced by the stored RBCs as a result of the 'storage lesion...
August 12, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28796169/cell-surface-and-nuclear-receptors-in-the-colon-as-targets-for-bacterial-metabolites-and-its-relevance-to-colon-health
#19
REVIEW
Sathish Sivaprakasam, Yangzom D Bhutia, Sabarish Ramachandran, Vadivel Ganapathy
The symbiotic co-habitation of bacteria in the host colon is mutually beneficial to both partners. While the host provides the place and food for the bacteria to colonize and live, the bacteria in turn help the host in energy and nutritional homeostasis, development and maturation of the mucosal immune system, and protection against inflammation and carcinogenesis. In this review, we highlight the molecular mediators of the effective communication between the bacteria and the host, focusing on selective metabolites from the bacteria that serve as messengers to the host by acting through selective receptors in the host colon...
August 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28769760/implications-of-dna-methylation-in-parkinson-s-disease
#20
REVIEW
Ernesto Miranda-Morales, Karin Meier, Ada Sandoval-Carrillo, José Salas-Pacheco, Paola Vázquez-Cárdenas, Oscar Arias-Carrión
It has been 200 years since Parkinson's disease (PD) was first described, yet many aspects of its etiopathogenesis remain unclear. PD is a progressive and complex neurodegenerative disorder caused by genetic and environmental factors including aging, nutrition, pesticides and exposure to heavy metals. DNA methylation may be altered in response to some of these factors; therefore, it is proposed that epigenetic mechanisms, particularly DNA methylation, can have a fundamental role in gene-environment interactions that are related with PD...
2017: Frontiers in Molecular Neuroscience
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