Articles tagged with Epigenomics
Scientists have established comprehensive maps of the human epigenome, revealing how genes are active in specific cells. The maps, published by the International Human Epigenome Consortium, provide insights into cellular differentiation and potential new treatments for diseases.
Researchers sequenced whole genomes and epigenomes of 1,001 Arabidopsis plants to illuminate evolutionary history and interaction between genetic and epigenetic variation. The study found that approximately 25% of genes exhibit diversity in their methylation state, with correlations to climate and geographic location.
Researchers developed ways to improve epigenome sequencing data quality and accuracy, enabling more comprehensive analysis of cancers. The technology can detect epigenetic variants more efficiently, providing vital information on cancer development and progression.
Researchers identify epigenomic changes that contribute to the development of type 2 diabetes in obese individuals. These changes are associated with inflammation and trigger insulin resistance, highlighting the importance of epigenetic regulation in metabolic diseases.
The study reveals that 5hmC mark acts as a key signal connecting complexes that regulate gene expression, influencing cellular differentiation and energy metabolism in embryonic stem cells. The findings suggest that 5hmC may play a central role in the coordinated evolution of chromatin-related proteins.
The new Illumina MethylationEPIC BeadChip array provides a powerful tool for elucidating the role of the human epigenome in complex diseases. With its significantly increased coverage in gene regulatory regions, it enables DNA methylation analysis at an unprecedented scale.
Researchers found that moving from forest to urban habitats affects epigenetic patterns of the immune response, while historical lifestyles impact development and physical characteristics. These findings suggest a significant influence of environment on epigenetics and potential risks for autoimmune diseases.
Researchers have discovered that epigenomic changes induced by pathogen infections, mediated by a transcription factor called ATF7, are the underlying mechanism of innate immunological memory. This finding could increase our understanding of the hygiene hypothesis and lead to the development of more efficient vaccines.
A new microfluidic technique allows for efficient epigenomic analysis using minimal cells, paving the way for personalized treatment strategies. The technology reduces testing requirements from 10 million cells to just 100 cells, enabling studies of diseases such as stem cell differentiation, inflammation, and cancer.
The study provides a starting point to understand the role of methyl groups in influencing gene expression and development. Researchers detected unusual methylation patterns in various tissues, suggesting potential stem cell populations and new avenues for exploration.
Researchers found that global changes in cancer cells' epigenome, which control gene expression, contribute to treatment resistance. The study suggests that these changes can be predicted using biopsies taken before and after treatment.
Researchers identified proteins and DNA regions binding to epigenetic changes in melanoma progression. Knocking out these proteins made the tumor less aggressive and more responsive to existing treatments.
Duke researchers have developed a new method to precisely control gene activity by chemically manipulating proteins that package DNA. This technology allows for the activation of specific gene promoters and enhancers, which could provide a new avenue for gene therapies and guiding stem cell differentiation.
Researchers at WashU Medicine found that the epigenome plays a significant part in guiding development in zebrafish embryos within the first 24 hours after fertilization. The study suggests an underappreciated fraction of the genome is involved in gene regulation, with many noncoding regions acting as developmental enhancers.
The comprehensive maps and analyses of the epigenomes of human cells and tissues will provide new insights into normal development and disruption in disorders such as cancer, autism, and heart disease. The data will also be valuable in studying autoimmune diseases, Alzheimer's disease, and other conditions.
Recent studies by UC San Diego researchers have uncovered widespread differences in gene regulation between chromosome pairs, influenced by inherited sequence variations. Chromosome folding structures, known as topologically associating domains (TADs), were also found to play a crucial role in gene expression and epigenome organization.
Researchers have generated and analyzed reference epigenome maps for 111 human cell types, revealing the complex interplay between genetic and environmental factors in shaping our genome. This breakthrough has significant implications for understanding and treating diseases such as cancer and Alzheimer's.
Researchers analyzed gene and epigenetic mark changes in a mouse model of Alzheimer's disease to understand the role of microglia and immune pathways in disease progression. They found conserved epigenomic signatures between mice and humans, suggesting a potential therapeutic target.
The Roadmap Epigenomics Project has released new annotations of the human genome, which may hold the key to understanding and combating diseases. By mapping epigenetic signatures associated with complex traits, researchers aim to better understand how genes change and develop effective treatments for Alzheimer's disease.
Researchers have mapped the epigenomes of over 100 human cells and tissues, offering new insights into how genes are turned on and off in different cellular contexts. The comprehensive data set provides a powerful tool for studying human biology and understanding the links between the genome and disease.
Researchers have assembled a comprehensive map of the human epigenome, detailing epigenetic markers in 111 cell types and tissues. This resource will aid in understanding the molecular basis of disease and lead to new treatments.
Researchers have identified two transcription factors, GR and VDR, that play a crucial role in the development of insulin resistance. Epigenomic modifications, such as changes in DNA structure, can be passed from cell to cell and between generations, and this study provides insights into how these modifications contribute to the condit...
Researchers have developed a program that predicts the placement of chemical tags controlling gene activity based on DNA sequences. The analysis identified specific DNA patterns associated with epigenomic modifications, revealing new insights into gene regulation and potential therapeutic targets.
Researchers at the University of South Carolina have discovered a novel pathway for marijuana to suppress immune functions, suggesting its potential in treating autoimmune diseases. The study found that THC can change histone molecules leading to inflammation suppression.
ChroGPS is a software application that facilitates the analysis and interpretation of epigenetic data. The program provides easily interpretable maps to analyze and understand the immense volume of epigenetic and genetic data available.
A McGill study suggests that a father's diet before conception plays a crucial role in the health of their offspring. The research found that paternal folate levels may be as important as those of the mother, with potential consequences for birth defects and long-term development.
Researchers discovered unique patterns of DNA methylation that emerge when neurons form new connections in children's developing brains, shedding light on the role of epigenomics in learning, memory, and mental illness. The study provides a new framework for understanding brain development and function.
A new study by Salk scientists reveals that the landscape of DNA methylation in brain cells is highly dynamic during brain circuitry formation, helping to understand how information in the genome is controlled from fetal development to adulthood. The discovery opens a deeper understanding of how intricate patterns of connectivity in th...
Researchers discovered that plant epigenomes are as varied as the environments in which they grow, enabling rapid adaptation. This knowledge may aid in crop production and the study of human diseases.
Researchers at Walter and Eliza Hall Institute identify how pregnancy hormones alter DNA tags, controlling gene expression in breast cells. This discovery reveals a potential link between hormonal regulation and breast cancer risk, highlighting the importance of epigenome modifications.
Researchers are investigating how constantly evolving chemical modifications in our DNA and proteins cause our genome to stay healthy or develop diseases. Epigenome changes over time can affect which genes are turned on, leading to Leukemia and cancers of the colon and ovaries.
Researchers catalogued thousands of non-coding genome switches that subtly turn up or down gene activity and influence cell-type specific utilization. These maps revealed regions active in immune cells for autoimmune diseases and liver cells for metabolic disorders.
An international study reveals that the epigenome of newborns and centenarians differs, with older individuals showing a distorted epigenome that has lost key switches. Reversibility of this process is possible through dietary changes or drug use.
A new method called comparative epigenomics uses interspecies comparison to determine the purpose of genes. By analyzing epigenomic marks in pluripotent stem cells, researchers were able to identify conserved epigenetic markers that can annotate the genome and clarify its regulatory function.
A study led by Dr. Manel Esteller has completed the first epigenome in Europe, shedding light on the activity of genes and tissues in complex diseases like cancer. The research found that a patient with a rare genetic disease had an epigenomic defect causing fragility of chromosomes and immune deficiency.
Researchers identified a DNA methylation site that can detect ovarian cancer recurrence in blood samples, offering potential enhancement to existing biomarkers. This epigenetic marker may help monitor disease status after surgery and improve detection of the disease.
The BLUEPRINT epigenome project aims to generate reference epigenomes and study them to advance knowledge of biological processes and mechanisms. Genomatix will provide data analysis and visualization interfaces as part of the $41 million European-funded consortium.
The modENCODE project has made significant breakthroughs in understanding the epigenome, a complex system that regulates gene expression in eukaryotic organisms. By analyzing the epigenetics of fruit flies and round worms, researchers have gained insights into how DNA packaging affects organism development.
Researchers discovered that human embryonic stem cells (hESCs) and lineage-committed cells have drastically different epigenomic landscapes. The unique epigenome of each cell type directs the cell to interpret its genetic information differently in response to environmental factors, influencing their development and function.
Researchers at USC have identified a distinct molecular subtype of glioblastoma multiforme (GBM) associated with improved clinical outcomes, including median survival time of over three years. The discovery was made using epigenomics and has potential implications for targeted drug treatments.
A study by Garvan Institute of Medical Research reveals epigenetic changes in prostate cancer cells, silencing nearly 3% of the genome and targeting tumor suppressor genes, making treatment far more complex than imagined.
Researchers at the Salk Institute provide the first detailed map of the human epigenome, which regulates gene function beyond DNA sequence. The study reveals a novel DNA methylation pattern unique to stem cells, influencing their pluripotent state and disease development.
The NIH awards Albert Einstein College of Medicine two grants totaling $3.5 million to study epigenetic changes and their contribution to diseases such as tumor development, aging, and abnormal growth. Researchers will focus on epigenetic modifications related to abnormal fetal growth and chronic kidney disease.
The NIH Roadmap Epigenomics Program awards $62 million to study the epigenome in various diseases and conditions. These studies aim to understand how diet, environmental exposures, and stress affect human health and disease.
Scientists at Brown University have completed a study mapping variations in epigenomic structure using over 200 human tissue samples. The research reveals wide epigenetic variation linked to aging and smoking, which may increase susceptibility to diseases like cancer.
The San Diego Epigenome Center will study epigenetic processes controlling gene regulation, differentiation in human embryonic cells, and DNA methylation. The goal is to develop more effective ways to prevent and treat disease.
The Broad Institute will create comprehensive epigenomic maps of human cells, including embryonic stem cells and adult stem cells. The five-year grant aims to transform the understanding of gene expression control using cutting-edge technologies like ChIP-Seq and HTBS.
The NIH Roadmap Epigenomics Program aims to understand how epigenetic processes control genes and affect health and disease. The program will provide reference data for the entire scientific community to study epigenetic regulation.
The NIH is launching a new initiative in epigenomics, a field that studies how genes are regulated, to better understand the role of environment in health and disease. The program aims to coordinate reference epigenome maps, evaluate epigenetic mechanisms, and develop new technologies for analysis.
A group of 40 leading cancer scientists proposes a Human Epigenome Project to map the chemical modifications to DNA that comprise the epigenetic code. The project aims to unlock the epigenomic information stored in the genome for the benefit of human health.