Tag: CpG

Liver Cancers Detected With Parallel Mutation, Methylation Liquid Biopsy Approach

NEW YORK – A Chinese research team has shown that their method for profiling mutation and DNA methylation patterns in circulating cell-free DNA (cfDNA) can detect hepatocellular carcinoma (HCC) liver cancer cases. “[W]e developed the Mutation Capsule Plus (MCP) technology, supporting parallel profiling of mutations and methylation changes (MCP profiling)…

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Dementia with Lewy bodies post-mortem brains reveal differentially methylated CpG sites with biomarker potential

Weisman, D. & McKeith, I. Dementia with Lewy Bodies. Semin. Neurol. 27, 042–047 (2007). Article  Google Scholar  Foguem, C. & Manckoundia, P. Lewy Body Disease: Clinical and Pathological “Overlap Syndrome” Between Synucleinopathies (Parkinson Disease) and Tauopathies (Alzheimer Disease). Curr. Neurol. Neurosci. Rep. 2018 18:5 18, 1–9 (2018). CAS  Google Scholar …

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Induction of Genital Immunity by DNA Priming and Intranasal Booster Immunization with a Replication-Defective Adenoviral Recombinant1 | The Journal of Immunology

Mice immunized through different routes such as i.m., intradermally, or intratracheally with a DNA vaccine to rabies virus developed high titers of serum Ab but only borderline levels of mucosal Abs determined from vaginal secretions. DNA vaccines given by either route enhanced vaginal IgA and IgG2a secretion upon a subsequent…

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Introduction to DNA Methylation Analysis: From Wet Lab Experiments to Bioinformatics Analysis

Methylation is one of the most classical epigenetic modifications in eukaryotes. DNA methylation regulates gene expression and has important implications in both growth and disease-related research. DNA methylation affects the maturation of germ cells or embryonic cells subject to specific gene expression. It has also been widely studied and applied…

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Emerging role of STING signalling in CNS injury: inflammation, autophagy, necroptosis, ferroptosis and pyroptosis | Journal of Neuroinflammation

Langlois JA, Rutland-Brown W, Wald MM. The epidemiology and impact of traumatic brain injury: a brief overview. J Head Trauma Rehabil. 2006;21:375–8. doi.org/10.1097/00001199-200609000-00001. Article  PubMed  Google Scholar  Cao HQ, Dong ED. An update on spinal cord injury research. Neurosci Bull. 2013;29:94–102. doi.org/10.1007/s12264-012-1277-8. Article  PubMed  Google Scholar  O’Donnell MJ, Xavier D,…

Continue Reading Emerging role of STING signalling in CNS injury: inflammation, autophagy, necroptosis, ferroptosis and pyroptosis | Journal of Neuroinflammation

Single-cell multi-omics of human clonal hematopoiesis reveals that DNMT3A R882 mutations perturb early progenitor states through selective hypomethylation

Martincorena, I. et al. Somatic mutant clones colonize the human esophagus with age. Science 362, 911–917 (2018). CAS  PubMed  PubMed Central  Google Scholar  Yizhak, K. et al. RNA sequence analysis reveals macroscopic somatic clonal expansion across normal tissues. Science 364, eaaw0726 (2019). CAS  PubMed  PubMed Central  Google Scholar  Yokoyama, A….

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Nasal Covid Vaccines To Be A Game-changer: Scientists

Share Tweet Share Share Email In mice, a prospective COVID-19 vaccination that is administered by the nose shows promise. One day you might only need to scent to protect yourself from COVID-19. Professors of radiology Ramasamy Paulmurugan and Tarik Massoud are leading an…

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Human hg38 chr7:73,678,750-73,740,129 UCSC Genome Browser v435

Use drop-down controls below and press refresh to alter tracks displayed.Tracks with lots of items will automatically be displayed in more compact modes.    Custom Tracks H3K27ac Meta NeuN SCZhidedensesquishpackfull H3K27ac NeuN SCZ del_CRDhidedensesquishpackfull H3K27ac NeuN SCZ del_CRD_del_peakshidedensesquishpackfull H3K27ac Tissuehidedensesquishpackfull H3K27ac Tissue BDhidedensesquishpackfull H3K27ac Tissue BD del_CRDhidedensesquishpackfull H3K27ac Tissue BD…

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Subtype and cell type specific expression of lncRNAs provide insight into breast cancer

lncRNA expression according to breast cancer clinicopathological subtypes To identify lncRNAs expressed by specific breast cancer subtypes or associated with clinicopathological features, we analyzed RNA-sequencing data from two large independent breast cancer cohorts: SCAN-B (n = 3455)17 and TCGA-BRCA (n = 1095). We focused on lncRNAs annotated in the Ensembl18 v93 non-coding reference transcriptome…

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What is the function of this gene product in methylation?

This gene product helps to shift the emphasis of the methylation cycle toward the building blocks needed for new DNA synthesis, and away from the processing of homocysteine to methionine. [7] Also to know is, What is the role of non-CpG methylation? Because of its recent discovery, the role of…

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Recent Advances in 3D-Cultured Brain Tissue Models Derived from Human iPSCs

Heffernan, A.L., Hare, D.J.: Tracing environmental exposure from neurodevelopment to neurodegeneration. Trends Neurosci. 41, 496–501 (2018) CAS  PubMed  Article  Google Scholar  Pacitti, D., Privolizzi, R., Bax, B.E.: Organs to cells and cells to organoids: the evolution of in vitro central nervous system modelling. Front Cell Neurosci. 13, 129 (2019) CAS …

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Single-cell and bulk transcriptome sequencing identifies two epithelial tumor cell states and refines the consensus molecular classification of colorectal cancer

Cell-type annotation scRNA-seq data were filtered to discard low-quality cells and doublets (Supplementary Fig. 1, Extended Data Fig. 1 and Methods). Supervised clustering (Reference Component Analysis v2 (RCA2)) at low resolution grouped cells into 11 major cell types (Extended Data Fig. 1). To identify epithelial cell subtypes, we initially analyzed…

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Somatic point mutations are enriched in non-coding RNAs with possible regulatory function in breast cancer

Torre, L. A., Siegel, R. L., Ward, E. M. & Jemal, A. Global cancer incidence and mortality rates and trends—an update. Cancer Epidemiol. Prev. Biomark. 25, 16–27 (2016). Article  Google Scholar  Gerasimova, E. et al. Wavelet-based multifractal analysis of dynamic infrared thermograms to assist in early breast cancer diagnosis. Front….

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Allele-specific H3K9me3 and DNA methylation co-marked CpG-rich regions serve as potential imprinting control regions in pre-implantation embryo

. 2022 May;24(5):783-792. doi: 10.1038/s41556-022-00900-4. Epub 2022 Apr 28. Affiliations Expand Affiliations 1 Institute for Regenerative Medicine, Shanghai East Hospital, Shanghai Key Laboratory of Signaling and Disease Research, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China. 2 Shanghai Institute of Stem…

Continue Reading Allele-specific H3K9me3 and DNA methylation co-marked CpG-rich regions serve as potential imprinting control regions in pre-implantation embryo

MND1 Expression as a Predictor of Breast Cancer Survival

Introduction Breast cancer (BC) is the most commonly diagnosed cancer in women, and it is the main cause of cancer mortality in women around the world.1 Although standard treatments for breast cancer, including surgery, radiotherapy, chemotherapy, endocrine therapy, targeted therapy, and immunotherapy, have greatly improved during the last few decades.2,3…

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Pacific Biosciences Makes Progress on Sequencer Development, Amends Invitae Deal

NEW YORK – Pacific Biosciences said on Wednesday that it has made progress on the development of two sequencing platforms and announced that it is amending payment terms for its collaboration with Invitae on a high-throughput whole-genome sequencer. The Invitae collaboration is one of three R&D projects PacBio officials mentioned…

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Biogenesis, biology and characterization of circular RNAs

Biogenesis, biology and characterization of circular RNAs Kristensen LS et al. The biogenesis, biology and characterization of circular RNAs. Nat Rev Genet. (2019) Summary text Biogenesis and properties of circRNAs Biogenesis of cirRNA Characteristics of circRNAs Discover and analyze circRNAs circRNA genome-wide analysis CircRNA site-specific analysis circRNA visualization Biological functions…

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DMRs, how common are they and how long?

DMRs, how common are they and how long? 1 Hi! Does anyone know how common differentially methylated regions (DMRs) (or just methylated regions) are? Say, in a 10,000bp region how many DMRs can one expect? Also, does anyone know about the distribution of the size/length of DMRs, i.e. how many…

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Batch-effect detection, correction and characterisation in Illumina HumanMethylation450 and MethylationEPIC BeadChip array data | Clinical Epigenetics

Experimental design and processing steps For the EpiSCOPE study [20], DHA supplementation and gender were balanced as much as possible across the 12 450K BeadChips on each glass slide, with these factors also randomly distributed over the 6 rows and 2 columns of 31 slides (Additional file 1: Fig. S1). Blood…

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Additonal file 4

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A mammalian methylation array for profiling methylation levels at conserved sequences

Designing the mammalian methylation array The CMAPS algorithm is designed to select a set of Illumina Infinium array probes such that for a target set of species many probes are expected to work in each species (see “Methods” section). Array probes are sequences of length 50 bp flanking a target CpG…

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Comethyl: a network-based methylome approach to investigate the multivariate nature of health and disease

This article was originally published here Brief Bioinform. 2022 Jan 17:bbab554. doi: 10.1093/bib/bbab554. Online ahead of print. ABSTRACT Health outcomes are frequently shaped by difficult to dissect inter-relationships between biological, behavioral, social and environmental factors. DNA methylation patterns reflect such multivariate intersections, providing a rich source of novel biomarkers and…

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Phospholipase A2 inhibitor and LY6/PLAUR domain-containing protein PINLYP regulates type I interferon innate immunity

Significance Interferon (IFN)-mediated antiviral responses serve as the first line of the host innate immune defense against viral infection. Here we identify a previously uncharacterized protein designated phospholipase A2 inhibitor and LY6/PLAUR domain-containing protein (PINLYP), which is essential for embryonic development and plays an important role in type I IFN…

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KINNEY_DNMT1_METHYLATION_TARGETS

Standard name KINNEY_DNMT1_METHYLATION_TARGETS Systematic name M2508 Brief description Hypomethylated genes in prostate tissue from mice carrying hypomorphic alleles of DNMT1 [GeneID=1786]. Full description or abstract Previous studies have shown that tumor progression in the transgenic adenocarcinoma of mouse prostate (TRAMP) model is characterized by global DNA hypomethylation initiated during early-stage…

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The ENmix DNA methylation analysis pipeline for Illumina BeadChip and comparisons with seven other preprocessing pipelines | Clinical Epigenetics

Methylation analysis pipelines The ENmix pipeline performs data preprocessing in a stepwise way, including ENmix background correction [1], RELIC dye bias correction [3], optional inter-array normalization, RCP probe-type bias correction [2], quality control, filtering of low-quality data points, and imputation. ENmix background correction employs a mixture of exponential and truncated…

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Frontiers | The cGAS-STING Pathway: A Promising Immunotherapy Target

Introduction Invaded by exogenous or endogenous pathogens, the host immune system will be activated accordingly to resist harm and maintain homeostasis, which includes innate immunity and adaptive immunity. As the first line of host immune defense, innate immunity plays a critical role in recognizing extracellular and intracellular pathogens (1, 2)….

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PNAS Papers on Long Cell-Free DNA in Maternal Plasma, Genetic Propensity for Voting

The discovery of a large population of long, cell-free DNA (cfDNA) molecules in maternal plasma, along with a method to identify the molecules’ tissues of origin, is reported in this week Proceedings of the National Academy of Sciences. To date, studies of circulating cfDNA have focused on short molecules of…

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Create combined CpG and non-CpG bedgraphs for DNA methylation using Bismark

Create combined CpG and non-CpG bedgraphs for DNA methylation using Bismark 0 Hello, previously, I was using Bismark with the ‘–comprehensive’ option to generate the individual bedgraph files from which we made the bigWigs. For one particular figure, my boss wants me to generate merged bdg files so that we…

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Disabling de novo DNA methylation in embryonic stem cells allows an illegitimate fate trajectory

The mammalian genome is characterized by widespread methylation of cytosine residues. After fertilization, however, both maternal and paternal genomes undergo extensive demethylation, reaching a low point in the blastocyst (1⇓⇓–4). The embryo genome is then remethylated by the activity of de novo DNA methylation enzymes (5). Mouse embryonic stem (ES)…

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Interpreting TFBS enrichment from random genomic regions

Hi all, To make a long story short, my lab has developed a computational method for analyzing WGBS data that results in genomic regions of interest. These are regions defined by sequencing reads with mixed methylation states (i.e. consecutive CpGs having non-matching methylation). My boss wants me to use some…

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Difference in Bismark output methylation call files and coverage files

Difference in Bismark output methylation call files and coverage files 1 Hi biostars! I am working with RRBS data and have used Bismark for methylation calls. I have compared the two output files with cytosines in a CpG-context and the coverage files (which only consider cytosines in a CpG context),…

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mitochondrial dna damage triggers an ifn mediated immune response

2.6 Mitochondrial Damage-Induced Mitochondrial DNA Release is Central to Chronic Kidney Disease-Induced Type-I-Interferon Response in Vascular Smooth Muscle Cells DNA released from nuclear or mitochondria is the main source of endogenous DNA that activates cGAS-STING pathway. This is thought to be mediated by the presence 75 of leaked mitochondrial DNA…

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RRBS data analysis using Bismark and methylkit

RRBS data analysis using Bismark and methylkit 0 Once we have read in the cytosine report files with methRead(), how to generate a table/dataframe of beta values or equivalent for all samples as columns and CpG sites as rows? Is the percMethylation() function the correct function to use? Beta values…

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Methylkit (differential methylation analysis) error in data frame

Methylkit (differential methylation analysis) error in data frame 0 Hi Friends, I am performing the differential methylation analysis using methylkit but it is throwing error in data frame. ” Error in [.data.frame(data, , 6) : undefined columns selected”. Can anyone help me to solve this error. Following is my R…

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Using MethylKit with gemBS output files

Using MethylKit with gemBS output files 0 Hi, I was just wondering if anyone is familiar with using gemBS output files for MethylKit such as the ones below *_3_lane_gembs_cpg.bed.gz *_3_lane_gembs_cpg.txt.gz With the following columns Contig Pos0 Pos1 Ref Call Flags Meth non_conv conv support_call total I tried running methylKit but…

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Resistance training rejuvenates the mitochondrial methylome in aged human skeletal muscle

doi: 10.1096/fj.202100873RR. Bradley A Ruple  1 , Joshua S Godwin  1 , Paulo H C Mesquita  1 , Shelby C Osburn  1 , Christopher G Vann  1 , Donald A Lamb  2 , Casey L Sexton  1 , Darren G Candow  3 , Scott C Forbes  4 , Andrew D Frugé  2 , Andreas N Kavazis  1 , Kaelin C Young …

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Integrated bioinformatics analysis to identify abnormal CC

Introduction In recent years, the morbidity and mortality of colon cancer have increased rapidly, both being ranked fourth worldwide. Although surgery-based comprehensive treatments improve the prognosis of colon cancer, because of the lack of available means for early diagnosis, the mortality level remains high for patients with advanced-stage cancer. The…

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Epigenome-wide association study of mitochondrial genome copy number

This article was originally published here Hum Mol Genet. 2021 Aug 20:ddab240. doi: 10.1093/hmg/ddab240. Online ahead of print. ABSTRACT We conducted cohort- and race-specific epigenome-wide association analyses of mtDNA copy number (mtDNA CN) measured in whole blood from participants of African and European origins in five cohorts (n = 6182,…

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New Mac program for molecular biologists

Tool:New Mac program for molecular biologists 12 I would like to present here a program – BioLabDonkey – for molecular biologists who are Mac users. This program is written from scratch in a language native for Mac – Swift. The program can be downloaded from mac App Store – apps.apple.com/us/app/biolabdonkey/id1470827582?ls=1&mt=12…

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ProcessMethylation450Data function of TCGA-Assembler causing subscript out of bound error

ProcessMethylation450Data function of TCGA-Assembler causing subscript out of bound error 0 ProcessMethylation450Data function of TCGA-Assembler causing subscript out of bound error. However, if a take a little smaller subset of data, it is working fine. list_methylation_450 <- ProcessMethylation450Data(inputFilePath = “./QuickStartExample/Part1_DownloadedData/TCGABRCA.txt”, outputFileName = paste(sCancer, “methylation_450”, sep = “__”), outputFileFolder = sPath2)…

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bedGraphToBigWig Tutorial and Report

It is too easy to make error report in the bedGraphToBigWig process. I want to save the time for the fresh people. The following procedure would be work well for majority situations.  1, bedGraph should be without header before sorting awk ‘NR!=1’ input.bedGraph > input.deheader.bedGraph 2, bedGraph should be sorted sort…

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