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MicroRNA nutrition

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https://www.readbyqxmd.com/read/29119269/molecular-regulation-of-aluminum-resistance-and-sulfur-nutrition-during-root-growth
#1
REVIEW
Edith Alarcón-Poblete, Claudio Inostroza-Blancheteau, Miren Alberdi, Zed Rengel, Marjorie Reyes-Díaz
Aluminum toxicity and sulfate deprivation both regulate microRNA395 expression, repressing its low-affinity sulfate transporter ( SULTR2;1 ) target. Sulfate deprivation also induces the high-affinity sulfate transporter gene ( SULTR12 ), allowing enhanced sulfate uptake. Few studies about the relationships between sulfate, a plant nutrient, and aluminum, a toxic ion, are available; hence, the molecular and physiological processes underpinning this interaction are poorly understood. The Al-sulfate interaction occurs in acidic soils, whereby relatively high concentrations of trivalent toxic aluminum (Al(3+)) may hamper root growth, limiting uptake of nutrients, including sulfur (S)...
November 8, 2017: Planta
https://www.readbyqxmd.com/read/29102386/understanding-the-biology-of-thermogenic-fat-is-browning-a-new-approach-to-the-treatment-of-obesity
#2
REVIEW
Ariana Vargas-Castillo, Rebeca Fuentes-Romero, Leonardo A Rodriguez-Lopez, Nimbe Torres, Armando R Tovar
Obesity is characterized by an excess of white adipose tissue (WAT). Recent evidence has demonstrated that WAT can change its phenotype to a brown-like adipose tissue known as beige/brite adipose tissue. This transition is characterized by an increase in thermogenic capacity mediated by uncoupling protein 1 (UCP1). This browning process is a potential new target for treating obesity. The aim of this review is to integrate the different mechanisms by which beige/brite adipocytes are formed and to describe the physiological, pharmacological and nutritional inducers that can promote browning...
November 1, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/29077020/nutrimiromics-role-of-micrornas-and-nutrition-in-modulating-inflammation-and-chronic-diseases
#3
REVIEW
Bruna J Quintanilha, Bruna Z Reis, Graziela B Silva Duarte, Silvia M F Cozzolino, Marcelo M Rogero
Nutrimiromics studies the influence of the diet on the modification of gene expression due to epigenetic processes related to microRNAs (miRNAs), which may affect the risk for the development of chronic diseases. miRNAs are a class of non-coding endogenous RNA molecules that are usually involved in post-transcriptional gene silencing by inducing mRNA degradation or translational repression by binding to a target messenger RNA. They can be controlled by environmental and dietary factors, particularly by isolated nutrients or bioactive compounds, indicating that diet manipulation may hold promise as a therapeutic approach in modulating the risk of chronic diseases...
October 27, 2017: Nutrients
https://www.readbyqxmd.com/read/29058980/regulatory-pathways-controlling-female-insect-reproduction
#4
Sourav Roy, Tusar T Saha, Zhen Zou, Alexander S Raikhel
The synthesis of vitellogenin and its uptake by maturing oocytes during egg maturation are essential for successful female reproduction. These events are regulated by the juvenile hormones and ecdysteroids, and the nutritional signaling pathway regulated by neuropeptides. Juvenile hormones act as gonadotropins, regulating vitellogenesis in most insects, but ecdysteroids control this process in Diptera and some Hymenoptera and Lepidoptera. The complex crosstalk between the juvenile hormones, ecdysteroids, and nutritional signaling pathways differs distinctly depending on the reproductive strategies adopted by various insects...
October 20, 2017: Annual Review of Entomology
https://www.readbyqxmd.com/read/28994416/a-high-quality-genome-assembly-of-quinoa-provides-insights-into-the-molecular-basis-of-salt-bladder-based-salinity-tolerance-and-the-exceptional-nutritional-value
#5
Changsong Zou, Aojun Chen, Lihong Xiao, Heike M Muller, Peter Ache, Georg Haberer, Meiling Zhang, Wei Jia, Ping Deng, Ru Huang, Daniel Lang, Feng Li, Dongliang Zhan, Xiangyun Wu, Hui Zhang, Jennifer Bohm, Renyi Liu, Sergey Shabala, Rainer Hedrich, Jian-Kang Zhu, Heng Zhang
Chenopodium quinoa is a halophytic pseudocereal crop that is being cultivated in an ever-growing number of countries. Because quinoa is highly resistant to multiple abiotic stresses and its seed has a better nutritional value than any other major cereals, it is regarded as a future crop to ensure global food security. We generated a high-quality genome draft using an inbred line of the quinoa cultivar Real. The quinoa genome experienced one recent genome duplication about 4.3 million years ago, likely reflecting the genome fusion of two Chenopodium parents, in addition to the γ paleohexaploidization reported for most eudicots...
November 2017: Cell Research
https://www.readbyqxmd.com/read/28961976/disentangling-puberty-novel-neuroendocrine-pathways-and-mechanisms-for-the-control-of-mammalian-puberty
#6
M S Avendaño, M J Vazquez, M Tena-Sempere
BACKGROUND: Puberty is a complex developmental event, controlled by sophisticated regulatory networks that integrate peripheral and internal cues and impinge at the brain centers driving the reproductive axis. The tempo of puberty is genetically determined but is also sensitive to numerous modifiers, from metabolic and sex steroid signals to environmental factors. Recent epidemiological evidence suggests that the onset of puberty is advancing in humans, through as yet unknown mechanisms...
November 1, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28946660/molecular-mechanisms-and-pathways-as-targets-for-cancer-prevention-and-progression-with-dietary-compounds
#7
REVIEW
Nagisa Nosrati, Marica Bakovic, Gopinadhan Paliyath
A unique feature of bioactive food ingredients is their broad antioxidant function. Antioxidants having a wide spectrum of chemical structure and activity beyond basic nutrition; display different health benefits by the prevention and progression of chronic diseases. Functional food components are capable of enhancing the natural antioxidant defense system by scavenging reactive oxygen and nitrogen species, protecting and repairing DNA damage, as well as modulating the signal transduction pathways and gene expression...
September 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28880477/exosomes-as-new-players-in-metabolic-organ-cross-talk
#8
REVIEW
Claudiane Guay, Romano Regazzi
Blood glucose homeostasis requires a constant communication between insulin-secreting and insulin-sensitive cells. A wide variety of circulating factors, including hormones, cytokines and chemokines work together to orchestrate the systemic response of metabolic organs to changes in the nutritional state. Failure in the coordination between these organs can lead to a rise in blood glucose levels and to the appearance of metabolic disorders such as diabetes mellitus. Exosomes are small extracellular vesicles (EVs) that are produced via the endosomal pathway and are released from the cells upon fusion of multivesicular bodies with the plasma membrane...
September 2017: Diabetes, Obesity & Metabolism
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/28856768/meat-and-nutritional-quality-comparison-of-purebred-and-crossbred-pigs
#10
Jie Zhang, Jie Chai, Zonggang Luo, Hang He, Lei Chen, Xueqin Liu, Qinfei Zhou
Crossbreeding is an effective method of improving the efficiency and profit of production in commercial pig operations. To understand the effect of crossbreeding on meat and nutrient quality, a combination including three purebred (Duroc, D; Landrace, L; Yorkshire, Y) and two crossbred pig lines (Landrace × Yorkshire, LY; Duroc × (Landrace × Yorkshire), DLY) frequently used internationally were studied. The results showed that meat from the LY and DLY crosses had lower values for lightness L24h∗, shear force and epinephrine and higher values for drip loss, C18:1, insulin, glucagon and monounsaturated fatty acids than D, L and Y pigs...
August 30, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28839162/microrna-204-promotes-vascular-endoplasmic-reticulum-stress-and-endothelial-dysfunction-by-targeting-sirtuin1
#11
Modar Kassan, Ajit Vikram, Qiuxia Li, Young-Rae Kim, Santosh Kumar, Mohanad Gabani, Jing Liu, Julia S Jacobs, Kaikobad Irani
Endoplasmic reticulum (ER) stress has been implicated in vascular endothelial dysfunction of obesity, diabetes, and hypertension. MicroRNAs play an important role in regulating ER stress. Here we show that microRNA-204 (miR-204) promotes vascular ER stress and endothelial dysfunction by targeting the Sirtuin1 (Sirt1) lysine deacetylase. Pharmacologic ER stress induced by tunicamycin upregulates miR-204 and downregulates Sirt1 in the vascular wall/endothelium in vivo and in endothelial cells in vitro. Inhibition of miR-204 protects against tunicamycin-induced vascular/endothelial ER stress, associated impairment of endothelium-dependent vasorelaxation, and preserves endothelial Sirt1...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28800318/mir-513c-suppresses-neuroblastoma-cell-migration-invasion-and-proliferation-through-direct-targeting-glutaminase-gls
#12
Hong-Liang Xia, Yao Lv, Chun-Wei Xu, Ming-Cui Fu, Ting Zhang, Xiang-Ming Yan, Shu Dai, Qian-Wei Xiong, Yun Zhou, Jian Wang, Xu Cao
Neuroblastoma is a brain malignancy of childhood and accounts for 7-10% of childhood cancers, leading to approximately 15% of pediatric cancer deaths. MicroRNAs (miRNAs) are a family of short (about 18-25 nucleotides), noncoding and single stranded endogenous RNAs, which complementarily bind to the 3' untranslated regions of their target genes. Recently, glutamine metabolism has been recognized as an important nutrition source for tumor cells, and hence targeting glutamine metabolism could benefit to development of anti-cancer agents...
July 2, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28742088/genome-wide-identification-of-hami-melon-mirnas-with-putative-roles-during-fruit-development
#13
Hong Zhang, Lan Yin, Huaisong Wang, Guangzhi Wang, Xinli Ma, Meihua Li, Haibo Wu, Qiushi Fu, Yi Zhang, Hongping Yi
MicroRNAs represent a family of small endogenous, non-coding RNAs that play critical regulatory roles in plant growth, development, and environmental stress responses. Hami melon is famous for its attractive flavor and excellent nutritional value, however, the mechanisms underlying the fruit development and ripening remains largely unknown. Here, we performed small RNA sequencing to investigate the roles of miRNAs during Hami melon fruit development. Two batches of flesh samples were collected at four fruit development stages...
2017: PloS One
https://www.readbyqxmd.com/read/28727015/triennial-growth-and-development-symposium-molecular-mechanisms-related-to-bovine-intramuscular-fat-deposition-in-the-longissimus-muscle
#14
M Baik, H J Kang, S J Park, S W Na, M Piao, S Y Kim, D M Fassah, Y S Moon
The intramuscular fat (IMF) content of the LM, also known as marbling, is particularly important in determining the price of beef in Korea, Japan, and the United States. Deposition of IMF is influenced by both genetic (e.g., breed, gender, and genotype) and nongenetic factors (e.g., castration, nutrition, stressors, animal weight, and age). Castration of bulls markedly increases deposition of IMF, resulting in improved beef quality. Here, we present a comparative gene expression approach between bulls and steers...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28710366/mirnas-in-the-alga-chlamydomonas-reinhardtii-are-not-phylogenetically-conserved-and-play-a-limited-role-in-responses-to-nutrient-deprivation
#15
Adam Voshall, Eun-Jeong Kim, Xinrong Ma, Tomohito Yamasaki, Etsuko N Moriyama, Heriberto Cerutti
The unicellular alga Chlamydomonas reinhardtii contains many types of small RNAs (sRNAs) but the biological role(s) of bona fide microRNAs (miRNAs) remains unclear. To address their possible function(s) in responses to nutrient availability, we examined miRNA expression in cells cultured under different trophic conditions (mixotrophic in the presence of acetate or photoautotrophic in the presence or absence of nitrogen). We also reanalyzed miRNA expression data in Chlamydomonas subject to sulfur or phosphate deprivation...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28710129/manipulation-of-a-senescence-associated-gene-improves-fleshy-fruit-yield
#16
Bruno S Lira, Giovanna Gramegna, Bruna A Trench, Frederico R R Alves, Eder M Silva, Geraldo F F Silva, Venkatesh P Thirumalaikumar, Alessandra C D Lupi, Diego Demarco, Eduardo Purgatto, Fabio T S Nogueira, Salma Balazadeh, Luciano Freschi, Magdalena Rossi
Senescence is the process that marks the end of a leaf's lifespan. As it progresses, the massive macromolecular catabolism dismantles the chloroplasts and, consequently, decreases the photosynthetic capacity of these organs. Thus, senescence manipulation is a strategy to improve plant yield by extending the leaf's photosynthetically active window of time. However, it remains to be addressed if this approach can improve fleshy fruit production and nutritional quality. One way to delay senescence initiation is by regulating key transcription factors (TFs) involved in triggering this process, such as the NAC TF ORESARA1 (ORE1)...
September 2017: Plant Physiology
https://www.readbyqxmd.com/read/28697444/an-efficient-electrochemiluminescence-amplification-strategy-via-bis-co-reaction-accelerator-for-sensitive-detection-of-laminin-to-monitor-overnutrition-associated-liver-damage
#17
Jing Zhao, Wen-Bin Liang, Yan-Mei Lei, Yang-Xue Ou, Ya-Qin Chai, Ruo Yuan, Ying Zhuo
With the world wildly improvement in dietary and nutrition status, it couldn't be ignored that the chronic liver disease (CLD) resulted from the overnutrition. In order to estimate nutrition status for healthy living, an efficient and sensitive electrochemiluminescence (ECL) sandwich immunosensor of laminin (LN), a marker of CLD, was proposed for early diagnosis of CLD. In this work, the anodic ECL behavior of perylene derivative using H2O2 as co-reactant was demonstrated and the possible ECL mechanism was proposed...
July 3, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28674733/micrornas-modulate-core-clock-gene-expression-in-pancreatic-islets-during-early-postnatal-life-in-rats
#18
Cécile Jacovetti, Adriana Rodriguez-Trejo, Claudiane Guay, Jonathan Sobel, Sonia Gattesco, Volodymyr Petrenko, Camille Saini, Charna Dibner, Romano Regazzi
AIMS/HYPOTHESIS: Evidence continues to emerge detailing a fine-tuning of the regulation of metabolic processes and energy homeostasis by cell-autonomous circadian clocks. Pancreatic beta cell functional maturation occurs after birth and implies transcriptional changes triggered by a shift in the nutritional supply that occurs at weaning, enabling the adaptation of insulin secretion. So far, the developmental timing and exact mechanisms involved in the initiation of the circadian clock in the growing pancreatic islets have never been addressed...
October 2017: Diabetologia
https://www.readbyqxmd.com/read/28669221/maternal-chromium-restriction-modulates-mirna-profiles-related-to-lipid-metabolism-disorder-in-mice-offspring
#19
Qian Zhang, Xinhua Xiao, Jia Zheng, Ming Li, Miao Yu, Fan Ping, Zhixin Wang, Cuijuan Qi, Tong Wang, Xiaojing Wang
Increasing evidence shows that maternal nutrition status has a vital effect on offspring susceptibility to obesity. MicroRNAs are related to lipid metabolism processes. This study aimed to evaluate whether maternal chromium restriction could affect miRNA expression involved in lipid metabolism in offspring. Weaning C57BL/6J mice born from mothers fed with normal control diet or chromium-restricted diet were fed for 13 weeks. The adipose miRNA expression profile was analyzed by miRNA array analysis. At 16 weeks old, pups from dams fed with chromium-restricted diet exhibit higher body weight, fat weight, and serum TC, TG levels...
August 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28667402/phylogenetic-structural-and-functional-characterization-of-amt3-1-an-ammonium-transporter-induced-by-mycorrhization-among-model-grasses
#20
Sally Koegel, Delphine Mieulet, Sefer Baday, Odile Chatagnier, Moritz F Lehmann, Andres Wiemken, Thomas Boller, Daniel Wipf, Simon Bernèche, Emmanuel Guiderdoni, Pierre-Emmanuel Courty
In the arbuscular mycorrhizal (AM) symbiosis, plants satisfy part of their nitrogen (N) requirement through the AM pathway. In sorghum, the ammonium transporters (AMT) AMT3;1, and to a lesser extent AMT4, are induced in cells containing developing arbuscules. Here, we have characterized orthologs of AMT3;1 and AMT4 in four other grasses in addition to sorghum. AMT3;1 and AMT4 orthologous genes are induced in AM roots, suggesting that in the common ancestor of these five plant species, both AMT3;1 and AMT4 were already present and upregulated upon AM colonization...
June 30, 2017: Mycorrhiza
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