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MicroRNA nutrition

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https://www.readbyqxmd.com/read/28542740/plasma-micrornas-as-biomarkers-of-pancreatic-cancer-risk-in-a-prospective-cohort-study
#1
Eric J Duell, Leila Lujan-Barroso, Núria Sala, Samantha Deitz McElyea, Kim Overvad, Anne Tjonneland, Anja Olsen, Elisabete Weiderpass, Lill-Tove Busund, Line Moi, David Muller, Paolo Vineis, Dagfinn Aune, Giuseppe Matullo, Alessio Naccarati, Salvatore Panico, Giovanna Tagliabue, Rosario Tumino, Domenico Palli, Rudolf Kaaks, Verena A Katzke, Heiner Boeing, H B As Bueno-de-Mesquita, Petra H Peeters, Antonia Trichopoulou, Pagona Lagiou, Anastasia Kotanidou, Ruth C Travis, Nick Wareham, Kay-Tee Khaw, Jose Ramon Quiros, Miguel Rodríguez-Barranco, Miren Dorronsoro, María-Dolores Chirlaque, Eva Ardanaz, Gianluca Severi, Marie-Christine Boutron-Ruault, Vinciane Rebours, Paul Brennan, Marc Gunter, Ghislaine Scelo, Greg Cote, Stuart Sherman, Murray Korc
Non-invasive biomarkers for early pancreatic ductal adenocarcinoma (PDAC) diagnosis and disease risk stratification are greatly needed. We conducted a nested case-control study within the Prospective Investigation into Cancer and Nutrition (EPIC) cohort to evaluate pre-diagnostic microRNAs (miRs) as biomarkers of subsequent PDAC risk. A panel of eight miRs (miR-10a, -10b, -21-3p, -21-5p, -30c, -106b, -155, and -212) based on previous evidence from our group was evaluated in 225 microscopically confirmed PDAC cases and 225 controls matched on center, sex, fasting status, and age/date/time of blood collection...
May 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28528906/warts-signaling-controls-organ-and-body-growth-through-regulation-of-ecdysone
#2
Morten E Moeller, Stanislav Nagy, Stephan U Gerlach, Karen C Soegaard, E Thomas Danielsen, Michael J Texada, Kim F Rewitz
Coordination of growth between individual organs and the whole body is essential during development to produce adults with appropriate size and proportions [1, 2]. How local organ-intrinsic signals and nutrient-dependent systemic factors are integrated to generate correctly proportioned organisms under different environmental conditions is poorly understood. In Drosophila, Hippo/Warts signaling functions intrinsically to regulate tissue growth and organ size [3, 4], whereas systemic growth is controlled via antagonistic interactions of the steroid hormone ecdysone and nutrient-dependent insulin/insulin-like growth factor (IGF) (insulin) signaling [2, 5]...
May 17, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28523996/micro-rnas-exercise-and-cellular-plasticity-in-humans-the-impact-of-dietary-factors-and-hypoxia
#3
Timothée Watier, Anthony Mj Sanchez
Physical exercise is a stress that modulates a plethora of cellular mechanisms to promote morphological and metabolic adaptations. Substantial efforts have been made to better understand the modulation of pathways involved in cell plasticity during exercise, but human explorations may be limited because invasive procedures are often required. In recent years, minimally invasive methods for the analysis of microRNAs (miRNAs) modulation in response to exercise have been developed. miRNAs are small molecules that belong to a family of non-coding RNAs...
May 19, 2017: MicroRNA
https://www.readbyqxmd.com/read/28507539/new-insight-into-inter-kingdom-communication-horizontal-transfer-of-mobile-small-rnas
#4
REVIEW
Geyu Zhou, Yu Zhou, Xi Chen
Small RNAs (sRNAs), including small interfering RNAs (siRNAs) and microRNAs (miRNAs), are conventionally regarded as critical molecular regulators of various intracellular processes. However, recent accumulating evidence indicates that sRNAs can be transferred within cells and tissues and even across species. In plants, nematodes and microbes, these mobile sRNAs can mediate inter-kingdom communication, environmental sensing, gene expression regulation, host-parasite defense and many other biological functions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28445443/nutrimiraging-micromanaging-nutrient-sensing-pathways-through-nutrition-to-promote-healthy-aging
#5
REVIEW
Víctor Micó, Laura Berninches, Javier Tapia, Lidia Daimiel
Current sociodemographic predictions point to a demographic shift in developed and developing countries that will result in an unprecedented increase of the elderly population. This will be accompanied by an increase in age-related conditions that will strongly impair human health and quality of life. For this reason, aging is a major concern worldwide. Healthy aging depends on a combination of individual genetic factors and external environmental factors. Diet has been proved to be a powerful tool to modulate aging and caloric restriction has emerged as a valuable intervention in this regard...
April 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28424679/linking-diet-to-colorectal-cancer-the-emerging-role-of-microrna-in-the-communication-between-plant-and-animal-kingdoms
#6
REVIEW
Manuela Del Cornò, Gloria Donninelli, Lucia Conti, Sandra Gessani
Environmental and lifestyle factors, including diet and nutritional habits have been strongly linked to colorectal cancer (CRC). Of note, unhealthy dietary habits leading to adiposity represent a main risk factor for CRC and are associated with a chronic low-grade inflammatory status. Inflammation is a hallmark of almost every type of cancer and can be modulated by several food compounds exhibiting either protective or promoting effects. However, in spite of an extensive research, the underlying mechanisms by which dietary patterns or bioactive food components may influence tumor onset and outcome have not been fully clarified yet...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28386239/skeletal-muscle-myomir-are-differentially-expressed-by-endurance-exercise-mode-and-combined-essential-amino-acid-and-carbohydrate-supplementation
#7
Lee M Margolis, Holly L McClung, Nancy E Murphy, Christopher T Carrigan, Stefan M Pasiakos
Skeletal muscle microRNAs (myomiR) expression is modulated by exercise, however, the influence of endurance exercise mode, combined with essential amino acid and carbohydrate (EAA+CHO) supplementation are not well defined. This study determined the effects of weighted versus non-weighted endurance exercise, with or without EAA+CHO ingestion on myomiR expression and their association with muscle protein synthesis (MPS). Twenty five adults performed 90 min of metabolically-matched (2.2 VO2 L·m(-1)) load carriage (LC; performed on a treadmill wearing a vest equal to 30% of individual body mass) or cycle ergometry (CE) exercise, during which EAA+CHO (10 g EAA and 46 g CHO) or non-nutritive control (CON) drinks were consumed...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28340087/nutrigenomic-point-of-view-on-effects-and-mechanisms-of-action-of-ruminant-trans-fatty-acids-on-insulin-resistance-and-type-2-diabetes
#8
Bénédicte L Tremblay, Iwona Rudkowska
Evidence from observational studies suggests beneficial effects of ruminant trans fatty acids (rTFA) on insulin resistance (IR) and type 2 diabetes (T2D). However, beneficial effects of rTFA are not always observed in cell, animal, and human studies. This narrative review presents potential mechanisms of action of rTFA using nutrigenomics and microRNA results in an integrative model. In addition, the review presents factors, including measures of IR and T2D, dose and duration of studies, as well as health status, ethnicity, and genotypes of subjects, that may help explain the heterogeneity in response to rTFA supplementation...
March 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28300636/perinatal-protein-malnutrition-alters-expression-of-mirna-biogenesis-genes-xpo5-and-ago2-in-mice-brain
#9
Bruno G Berardino, Estefanía A Fesser, Eduardo T Cánepa
Due to its widespread incidence, maternal malnutrition remains one of the major non-genetic factors affecting the development of newborn's brain. While all nutrients have certain influence on brain maturation, proteins appear to be the most critical for the development of neurological functions. An increasing number of studies point out that the effects of early-life nutritional inadequacy has long lasting effects on the brain and lead to permanent deficits in learning and behavior. Epigenetic mechanisms provide a potential link between the nutrition status during critical periods and changes in gene expression that may lead to disease phenotypes...
March 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28272349/the-influence-of-spirulina-platensis-filtrates-on-caco-2-proliferative-activity-and-expression-of-apoptosis-related-micrornas-and-mrna
#10
Agnieszka Śmieszek, Ewa Giezek, Martyna Chrapiec, Martyna Murat, Aleksandra Mucha, Izabela Michalak, Krzysztof Marycz
Spirulina platensis (SP) is a blue-green microalga that has recently raised attention not only as a nutritional component, but also as a source of bioactivities that have therapeutic effects and may find application in medicine, including cancer treatment. In the present study we determined the cytotoxic effect of S. platensis filtrates (SPF) on human colon cancer cell line Caco-2. Three concentrations of SPF were tested-1.25%, 2.5%, and 5% (v/v). We have found that the highest concentration of SPF exerts the strongest anti-proliferative and pro-apoptotic effect on Caco-2 cultures...
March 7, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28243735/new-insights-into-vitamin-d-anticancer-properties-focus-on-mirna-modulation
#11
REVIEW
Katarina Zeljic, Gordana Supic, Zvonko Magic
Vitamin D anticancer properties are well known and have been demonstrated in many in vitro and in vivo studies. Mechanistic insights have given an explanation on how vitamin D exerts antineoplastic functions, which are mainly conducted via the canonical vitamin D receptor (VDR)-vitamin D response elements (VDRE) pathway. Numerous findings indicate that dietary components, including vitamin D, could exert chemopreventive effects through alterations of microRNA (miRNA) expression. As miRNAs have important roles in regulating diverse and vital cellular processes, it has been speculated that vitamin D's non-classical effects, including anticancer effects, could be mediated through alterations of miRNA expression level...
February 27, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28219933/akt-signaling-as-a-mediator-of-cardiac-adaptation-to-low-birth-weight
#12
REVIEW
Kimberley C W Wang, Kimberley J Botting, Song Zhang, I Caroline McMillen, Doug A Brooks, Janna L Morrison
Intrauterine insults, such as poor nutrition and placental insufficiency, can alter cardiomyocyte development, and this can have significant long-term implications for heart health. Consequently, epidemiological studies have shown that low-birth-weight babies have an increased risk of death from cardiovascular disease in adult life. In addition, intrauterine growth restriction can result in increased left ventricular hypertrophy, which is the strongest predictor for poor health outcomes in cardiac patients...
May 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28217004/rna-silencing-in-plants-mechanisms-technologies-and-applications-in-horticultural-crops
#13
Qigao Guo, Qing Liu, Neil A Smith, Guolu Liang, Ming-Bo Wang
Understanding the fundamental nature of a molecular process or a biological pathway is often a catalyst for the development of new technologies in biology. Indeed, studies from late 1990s to early 2000s have uncovered multiple overlapping but functionally distinct RNA silencing pathways in plants, including the posttranscriptional microRNA and small interfering RNA pathways and the transcriptional RNA-directed DNA methylation pathway. These findings have in turn been exploited for developing artificial RNA silencing technologies such as hairpin RNA, artificial microRNA, intrinsic direct repeat, 3' UTR inverted repeat, artificial trans-acting siRNA, and virus-induced gene silencing technologies...
December 2016: Current Genomics
https://www.readbyqxmd.com/read/28176654/transforming-cancer-epigenetics-using-nutritive-approaches-and-non-coding-rnas
#14
Centdrika R Dates, Trygve O Tollefsbol
Cancer is considered one of the leading causes of death in the United States. Although preventive strategies, early detection, and improved treatment options have been developed, novel targets and therapeutics are still needed. Since concluding that cancer is mediated by genetic and epigenetic alterations of the cell, many research groups are now focusing on other means of prevention and therapy via nutrition, epigenetic mechanisms, and non-coding RNAs which have been shown to control gene expression and have many different functions at the cellular level...
February 3, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28103776/small-and-hungry-micrornas-in-micronutrient-homeostasis-of-plants
#15
Prashanti Patel, Karuna Yadav, Thumballi Ramabhatta Ganapathi
MicroRNAs are emerging players in plant development and response to stresses, both biotic and abiotic such as micronutrient deficiency. These small RNAs regulate cognate downstream targets either by transcript cleavage or translational inhibition. Micronutrient deficiencies lead to poor quality and yield of crops and impaired human health. Over the years several microRNAs have been identified which regulate expression of genes controlling uptake, mobilization and homeostasis of macronutrients such as nitrogen, phosphorus and sulfur to ensure sufficiency without toxicity...
January 17, 2017: MicroRNA
https://www.readbyqxmd.com/read/28102847/curcumin-represses-mouse-3t3-l1-cell-adipogenic-differentiation-via-inhibiting-mir-17-5p-and-stimulating-the-wnt-signalling-pathway-effector-tcf7l2
#16
Lili Tian, Zhuolun Song, Weijuan Shao, William W Du, Lisa R Zhao, Kejing Zeng, Burton B Yang, Tianru Jin
Understanding mechanisms underlying adipogenic differentiation may lead to the discovery of novel therapeutic targets for obesity. Wnt signalling pathway activation leads to repressed adipogenic differentiation while certain microRNAs may regulate pre-adipocyte proliferation and differentiation. We show here that in mouse white adipose tissue, miR-17-5p level is elevated after high fat diet consumption. miR-17-5p upregulates adipogenic differentiation, as its over-expression increased while its inhibition repressed 3T3-L1 differentiation...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28096131/nutrition-micrornas-and-human-health
#17
REVIEW
Juan Cui, Beiyan Zhou, Sharon A Ross, Janos Zempleni
MicroRNAs (miRs) hybridize with complementary sequences in mRNA and silence genes by destabilizing mRNA or preventing translation of mRNA. Over 60% of human protein-coding genes are regulated by miRs, and 1881 high-confidence miRs are encoded in the human genome. Evidence suggests that miRs not only are synthesized endogenously, but also might be obtained from dietary sources, and that food compounds alter the expression of endogenous miR genes. The main food matrices for studies of biological activity of dietary miRs include plant foods and cow milk...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28088407/far-off-and-close-up-dry-matter-intake-modulate-indicators-of-immunometabolic-adaptations-to-lactation-in-subcutaneous-adipose-tissue-of-pasture-based-transition-dairy-cows
#18
M Vailati-Riboni, G Farina, F Batistel, A Heiser, M D Mitchell, M A Crookenden, C G Walker, J K Kay, S Meier, J R Roche, J J Loor
The common practice of increasing dietary energy density during the close-up dry period (last ∼3 wk prepartum) has been recently associated with a higher incidence of metabolic disorders after calving. Despite these reports, over-feeding of metabolizable energy (ME) during the far-off, nonlactating period is a common management policy aimed at achieving optimum calving body condition score (BCS) in pasture-based systems, as cows are generally thinner than total mixed ration cows at the end of lactation. Our hypothesis was that both far-off and close-up overfeeding influence the peripartum adipose tissue changes associated with energy balance and inflammatory state...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28076319/impact-of-nutrition-on-pollutant-toxicity-an-update-with-new-insights-into-epigenetic-regulation
#19
Jessie B Hoffman, Michael C Petriello, Bernhard Hennig
Exposure to environmental pollutants is a global health problem and is associated with the development of many chronic diseases, including cardiovascular disease, diabetes and metabolic syndrome. There is a growing body of evidence that nutrition can both positively and negatively modulate the toxic effects of pollutant exposure. Diets high in proinflammatory fats, such as linoleic acid, can exacerbate pollutant toxicity, whereas diets rich in bioactive and anti-inflammatory food components, including omega-3 fatty acids and polyphenols, can attenuate toxicant-associated inflammation...
March 1, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28070736/genome-wide-analysis-of-mirnas-and-tasi-rnas-in-zea-mays-in-response-to-phosphate-deficiency
#20
Saurabh Gupta, Manju Kumari, Himansu Kumar, Pritish Kumar Varadwaj
Globally important cereal crop maize provides important nutritions and starch in dietary foods. Low phosphate (LPi) availability in the soil frequently limits the maize quality and yield across the world. Small non-coding RNAs (Snc-RNAs) play crucial roles in growth and adaptation of plants to the environment. Snc-RNAs like microRNAs (miRs) and trans-acting small interfering RNAs (Tasi-Rs) play important functions in posttranscriptional regulation of gene expression, which controls plant development, reproduction, and biotic/abiotic stress responses...
January 9, 2017: Functional & Integrative Genomics
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