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https://www.readbyqxmd.com/read/28221285/genome-wide-methylation-analysis-of-a-large-population-sample-shows-neurological-pathways-involvement-in-chronic-widespread-musculoskeletal-pain-cwp
#1
Gregory Livshits, Ida Malkin, Maxim B Freidin, Yudong Xia, Fei Gao, Jun Wang, Timothy D Spector, Alex MacGregor, Jordana T Bell, Frances Mk Williams
Chronic widespread musculoskeletal pain (CWP), has a considerable heritable component, which remains to be explained. Epigenetic factors may contribute to and account for some of the heritability estimate. We analysed epigenome-wide methylation using MeDIPseq in whole blood DNA from 1708 monozygotic (MZ) and dizygotic (DZ) Caucasian twins having CWP prevalence of 19.9%. Longitudinally stable methylation bins (lsBINs), were established by testing repeated measurements conducted ≥3 years apart, n=292. DNA methylation variation at lsBINs was tested for association with CWP in a discovery set of 50 MZ twin pairs discordant for CWP, and in an independent dataset (n=1608 twins), and the results from the two samples were combined using Fisher's method...
February 15, 2017: Pain
https://www.readbyqxmd.com/read/28220606/lamarck-rises-from-his-grave-parental-environment-induced-epigenetic-inheritance-in-model-organisms-and-humans
#2
Yan Wang, Huijie Liu, Zhongsheng Sun
Organisms can change their physiological/behavioural traits to adapt and survive in changed environments. However, whether these acquired traits can be inherited across generations through non-genetic alterations has been a topic of debate for over a century. Emerging evidence indicates that both ancestral and parental experiences, including nutrition, environmental toxins, nurturing behaviour, and social stress, can have powerful effects on the physiological, metabolic and cellular functions in an organism...
February 20, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28220395/single-cell-sequencing-a-distinct-new-field
#3
REVIEW
Jian Wang, Yuanlin Song
Single cell sequencing (SCS) has become a new approach to study biological heterogeneity. The advancement in technologies for single cell isolation, amplification of genome/transcriptome and next-generation sequencing enables SCS to reveal the inherent properties of a single cell from the large scale of the genome, transcriptome or epigenome at high resolution. Recently, SCS has been widely applied in various clinical and research fields, such as cancer biology and oncology, immunology, microbiology, neurobiology and prenatal diagnosis...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28220131/plant-stress-responses-and-phenotypic-plasticity-in-the-epigenomics-era-perspectives-on-the-grapevine-scenario-a-model-for-perennial-crop-plants
#4
Ana M Fortes, Philippe Gallusci
Epigenetic marks include Histone Post-Translational Modifications and DNA methylation which are known to participate in the programming of gene expression in plants and animals. These epigenetic marks may be subjected to dynamic changes in response to endogenous and/or external stimuli and can have an impact on phenotypic plasticity. Studying how plant genomes can be epigenetically shaped under stressed conditions has become an essential issue in order to better understand the molecular mechanisms underlying plant stress responses and enabling epigenetic in addition to genetic factors to be considered when breeding crop plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28219347/aquaculture-genomics-genetics-and-breeding-in-the-united-states-current-status-challenges-and-priorities-for-future-research
#5
EDITORIAL
Hisham Abdelrahman, Mohamed ElHady, Acacia Alcivar-Warren, Standish Allen, Rafet Al-Tobasei, Lisui Bao, Ben Beck, Harvey Blackburn, Brian Bosworth, John Buchanan, Jesse Chappell, William Daniels, Sheng Dong, Rex Dunham, Evan Durland, Ahmed Elaswad, Marta Gomez-Chiarri, Kamal Gosh, Ximing Guo, Perry Hackett, Terry Hanson, Dennis Hedgecock, Tiffany Howard, Leigh Holland, Molly Jackson, Yulin Jin, Karim Kahlil, Thomas Kocher, Tim Leeds, Ning Li, Lauren Lindsey, Shikai Liu, Zhanjiang Liu, Kyle Martin, Romi Novriadi, Ramjie Odin, Yniv Palti, Eric Peatman, Dina Proestou, Guyu Qin, Benjamin Reading, Caird Rexroad, Steven Roberts, Mohamed Salem, Andrew Severin, Huitong Shi, Craig Shoemaker, Sheila Stiles, Suxu Tan, Kathy F J Tang, Wilawan Thongda, Terrence Tiersch, Joseph Tomasso, Wendy Tri Prabowo, Roger Vallejo, Hein van der Steen, Khoi Vo, Geoff Waldbieser, Hanping Wang, Xiaozhu Wang, Jianhai Xiang, Yujia Yang, Roger Yant, Zihao Yuan, Qifan Zeng, Tao Zhou
Advancing the production efficiency and profitability of aquaculture is dependent upon the ability to utilize a diverse array of genetic resources. The ultimate goals of aquaculture genomics, genetics and breeding research are to enhance aquaculture production efficiency, sustainability, product quality, and profitability in support of the commercial sector and for the benefit of consumers. In order to achieve these goals, it is important to understand the genomic structure and organization of aquaculture species, and their genomic and phenomic variations, as well as the genetic basis of traits and their interrelationships...
February 20, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28218476/overexpression-of-tet-dioxygenases-in-seminomas-associates-with-low-levels-of-dna-methylation-and-hydroxymethylation
#6
Martina Benešová, Kateřina Trejbalová, Dana Kučerová, Zdenka Vernerová, Tomáš Hron, Arpád Szabó, Rachel Amouroux, Petr Klézl, Petra Hajkova, Jiří Hejnar
Germ cell tumors and particularly seminomas reflect the epigenomic features of their parental primordial germ cells, including genomic DNA hypomethylation and expression of pluripotent cell markers. Because the DNA hypomethylation might be a result of TET dioxygenase activity, we examined expression of TET1-3 enzymes and the level of their product, 5-hydroxymethylcytosine, in a panel of histologically characterized seminomas and non-seminomatous germ cell tumors. Expression of TET dioxygenase mRNAs was quantified by real-time PCR...
February 20, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28218043/uhrf1-the-key-regulator-of-epigenetics-and-molecular-target-for-cancer-therapeutics
#7
Harsimran Sidhu, Neena Capalash
UHRF1 is a master regulator of epigenome as it coordinates DNA methylation and histone modifications. Compelling evidence suggests a strong link between UHRF1 overexpression and tumorigenesis, substantiating its ability to act as a potential biomarker for cancer diagnosis and prognosis. UHRF1 also mediates repair of damaged DNA that makes cancer cells resistant toward cytocidal drugs. Hence, understanding the molecular mechanism of UHRF1 regulation would help in developing cancer therapeutics. Natural compounds have shown applicability to downregulate UHRF1 leading to growth arrest and apoptosis in cancer cells...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28217257/regulation-of-hepatic-microrna-expression-by-hepatocyte-nuclear-factor-4-alpha
#8
Hong Lu, Xiaohong Lei, Jerry Liu, Curtis Klaassen
AIM: To uncover the role of hepatocyte nuclear factor 4 alpha (HNF4α) in regulating hepatic expression of microRNAs. METHODS: Microarray and real-time PCR were used to determine hepatic expression of microRNAs in young-adult mice lacking Hnf4α expression in liver (Hnf4α-LivKO). Integrative genomics viewer software was used to analyze the public chromatin immunoprecipitation-sequencing datasets for DNA-binding of HNF4α, RNA polymerase-II, and histone modifications to loci of microRNAs in mouse liver and human hepatoma cells...
February 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28215819/use-of-human-methylation-arrays-for-epigenome-research-in-the-common-marmoset-callithrix-jacchus
#9
Junko Hayashi-Ueda, Yui Murata, Miki Bundo, Arata Oh-Nishi, Hidetoshi Kassai, Tempei Ikegame, Zhilei Zhao, Seiichiro Jinde, Atsu Aiba, Tetsuya Suhara, Kiyoto Kasai, Tadafumi Kato, Kazuya Iwamoto
We examined the usefulness of commercially available DNA methylation arrays designed for the human genome (Illumina HumanMethylation450 and MethylationEPIC) for high-throughput epigenome analysis of the common marmoset, a nonhuman primate suitable for research on neuropsychiatric disorders. From among the probes on the methylation arrays, we selected those available for the common marmoset. DNA methylation data were obtained from genomic DNA extracted from the frontal cortex and blood samples of adult common marmosets as well as the frontal cortex of neonatal marmosets...
February 16, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28215500/environmental-epigenomics-current-approaches-to-assess-epigenetic-effects-of-endocrine-disrupting-compounds-edc-s-on-human-health
#10
REVIEW
Natalia Tapia-Orozco, Gerardo Santiago-Toledo, Valeria Barrón, Ana María Espinosa-García, José Antonio García-García, Roeb García-Arrazola
Environmental Epigenomics is a developing field to study the epigenetic effect on human health from exposure to environmental factors. Endocrine disrupting chemicals have been detected primarily in pharmaceutical drugs, personal care products, food additives, and food containers. Exposure to endocrine-disrupting chemicals (EDCs) has been associated with a high incidence and prevalence of many endocrine-related disorders in humans. Nevertheless, further evidence is needed to establish a correlation between exposure to EDC and human disorders...
February 10, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28212378/sequencing-the-extrachromosomal-circular-mobilome-reveals-retrotransposon-activity-in-plants
#11
Sophie Lanciano, Marie-Christine Carpentier, Christel Llauro, Edouard Jobet, Dagmara Robakowska-Hyzorek, Eric Lasserre, Alain Ghesquière, Olivier Panaud, Marie Mirouze
Retrotransposons are mobile genetic elements abundant in plant and animal genomes. While efficiently silenced by the epigenetic machinery, they can be reactivated upon stress or during development. Their level of transcription not reflecting their transposition ability, it is thus difficult to evaluate their contribution to the active mobilome. Here we applied a simple methodology based on the high throughput sequencing of extrachromosomal circular DNA (eccDNA) forms of active retrotransposons to characterize the repertoire of mobile retrotransposons in plants...
February 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28212305/epigenetic-landscape-during-coronavirus-infection
#12
Alexandra Schäfer, Ralph S Baric
Coronaviruses (CoV) comprise a large group of emerging human and animal pathogens, including the highly pathogenic severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) strains. The molecular mechanisms regulating emerging coronavirus pathogenesis are complex and include virus-host interactions associated with entry, replication, egress and innate immune control. Epigenetics research investigates the genetic and non-genetic factors that regulate phenotypic variation, usually caused by external and environmental factors that alter host expression patterns and performance without any change in the underlying genotype...
February 15, 2017: Pathogens
https://www.readbyqxmd.com/read/28211524/epigenetic-and-genetic-dissections-of-uv-induced-global-gene-dysregulation-in-skin-cells-through-multi-omics-analyses
#13
Yao Shen, Milda Stanislauskas, Gen Li, Deyou Zheng, Liang Liu
To elucidate the complex molecular mechanisms underlying the adverse effects UV radiation (UVR) on skin homeostasis, we performed multi-omics studies to characterize UV-induced genetic and epigenetic changes. Human keratinocytes from a single donor treated with or without UVR were analyzed by RNA-seq, exome-seq, and H3K27ac ChIP-seq at 4 h and 72 h following UVR. Compared to the relatively moderate mutagenic effects of UVR, acute UV exposure induced substantial epigenomic and transcriptomic alterations, illuminating a previously underappreciated role of epigenomic and transcriptomic instability in skin pathogenesis...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28199197/childhood-cancers-and-systems-medicine
#14
William L Stone, Kathryn J Klopfenstein, M J Hajianpour, Marcela I Popescu, Cathleen M Cook, Koymangalath Krishnan
Despite major advances in treatment, pediatric cancers in the 5-16 age group remain the most common cause of disease death, and one out of eight children with cancer will not survive. Among children that do survive, some 60% suffer from late effects such as cancer recurrence and increased risk of obesity. This paper will provide a broad overview of pediatric oncology in the context of systems medicine. Systems medicine utilizes an integrative approach that relies on patient information gained from omics technology...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28198392/coffee-consumption-is-associated-with-dna-methylation-levels-of-human-blood
#15
Yu-Hsuan Chuang, Austin Quach, Devin Absher, Themistocles Assimes, Steve Horvath, Beate Ritz
Beneficial health effects have been attributed to coffee consumption, but it is not yet known whether epigenetics may have a role in this process. Here we associate epigenome-wide DNA methylation levels to habitual coffee consumption from two studies with blood (2100 and 215 participants), and one with saliva samples (256 participants). Adjusting for age, gender, and blood cell composition, one CpG (cg21566642 near ALPPL2) surpassed genome-wide significance (P=3.7 × 10(-10)) and from among 10 additional CpGs significant at P≤5...
February 15, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28198142/therapeutic-genome-engineering-via-crispr-cas-systems
#16
REVIEW
Ana M Moreno, Prashant Mali
Differences in genomes underlie most organismal diversity, and aberrations in genomes underlie many disease states. With the growing knowledge of the genetic and pathogenic basis of human disease, development of safe and efficient platforms for genome and epigenome engineering will transform our ability to therapeutically target human diseases and also potentially engineer disease resistance. In this regard, the recent advent of clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR-associated (Cas) RNA-guided nuclease systems have transformed our ability to target nucleic acids...
February 15, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28197188/epigenomic-reprogramming-in-peripheral-nerve-injury
#17
Ki H Ma, John Svaren
No abstract text is available yet for this article.
December 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/28195122/integrated-genomic-analyses-of-de-novo-pathways-underlying-atypical-meningiomas
#18
Akdes Serin Harmancı, Mark W Youngblood, Victoria E Clark, Süleyman Coşkun, Octavian Henegariu, Daniel Duran, E Zeynep Erson-Omay, Leon D Kaulen, Tong Ihn Lee, Brian J Abraham, Matthias Simon, Boris Krischek, Marco Timmer, Roland Goldbrunner, S Bülent Omay, Jacob Baranoski, Burçin Baran, Geneive Carrión-Grant, Hanwen Bai, Ketu Mishra-Gorur, Johannes Schramm, Jennifer Moliterno, Alexander O Vortmeyer, Kaya Bilgüvar, Katsuhito Yasuno, Richard A Young, Murat Günel
Meningiomas are mostly benign brain tumours, with a potential for becoming atypical or malignant. On the basis of comprehensive genomic, transcriptomic and epigenomic analyses, we compared benign meningiomas to atypical ones. Here, we show that the majority of primary (de novo) atypical meningiomas display loss of NF2, which co-occurs either with genomic instability or recurrent SMARCB1 mutations. These tumours harbour increased H3K27me3 signal and a hypermethylated phenotype, mainly occupying the polycomb repressive complex 2 (PRC2) binding sites in human embryonic stem cells, thereby phenocopying a more primitive cellular state...
February 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28194238/epigenome-wide-association-study-ewas-on-lipids-the-rotterdam-study
#19
Kim V E Braun, Klodian Dhana, Paul S de Vries, Trudy Voortman, Joyce B J van Meurs, Andre G Uitterlinden, Albert Hofman, Frank B Hu, Oscar H Franco, Abbas Dehghan
BACKGROUND: DNA methylation is a key epigenetic mechanism that is suggested to be associated with blood lipid levels. We aimed to identify CpG sites at which DNA methylation levels are associated with blood levels of triglycerides, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and total cholesterol in 725 participants of the Rotterdam Study, a population-based cohort study. Subsequently, we sought replication in a non-overlapping set of 760 participants...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28194101/contribution-of-neuroepigenetics-to-huntington-s-disease
#20
REVIEW
Laetitia Francelle, Caroline Lotz, Tiago Outeiro, Emmanuel Brouillet, Karine Merienne
Unbalanced epigenetic regulation is thought to contribute to the progression of several neurodegenerative diseases, including Huntington's disease (HD), a genetic disorder considered as a paradigm of epigenetic dysregulation. In this review, we attempt to address open questions regarding the role of epigenetic changes in HD, in the light of recent advances in neuroepigenetics. We particularly discuss studies using genome-wide scale approaches that provide insights into the relationship between epigenetic regulations, gene expression and neuronal activity in normal and diseased neurons, including HD neurons...
2017: Frontiers in Human Neuroscience
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