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Epigenetic landscape
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Part 1 book "Plant epigenetics and epigenomics - Methods and protocols" includes content: Landscaping plant epigenetics, the gene balance hypothesis - dosage effects in plants; inference of allele specific expression from RNA seq data 5 screening for imprinted genes using high resolution melting analysis of PCR amplicons; analysis of genomic imprinting by quantitative allele specific expression by pyrosequencing,... and other contents.
20p
dianmotminh04
12-07-2024
0
0
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Meningiomas are among the most common primary tumors of the central nervous system. Previous research into the meningioma histological appearance, genetic markers, transcriptome and epigenetic landscape has revealed that benign meningiomas significantly differ in their glucose metabolism compared to aggressive lesions.
10p
vishanshan
27-06-2024
2
1
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Alterations in genetic and epigenetic landscapes are known to contribute to the development of different types of cancer. However, the mechanistic links between transcription factors and the epigenome which coordinate the deregulation of gene networks during cell transformation are largely unknown.
16p
vioraclene
31-03-2024
2
2
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Cancer evolution depends on epigenetic and genetic diversity. Historically, in multiple myeloma (MM), subclonal diversity and tumor evolution have been investigated mostly from a genetic perspective.
21p
vibransone
28-03-2024
5
2
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Myelodysplastic Neoplasms (MDS) are clonal stem cell disorders characterized by ineffective hematopoiesis and progression to acute myeloid leukemia, myelodysplasia-related (AML-MR). A major mechanism of pathogenesis of MDS is the aberration of the epigenetic landscape of the hematopoietic stem cells and/or progenitor cells, especially DNA cytosine methylation, and demethylation.
18p
vialfrednobel
23-12-2023
4
3
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RNA methylation refers to a form of methyl modification in RNA that modulates various epigenetic alterations. Mounting studies have focused on its potential mechanisms in cancer initiation and progression. However, the prognostic value and potential role of RNA methylation in the immune microenvironment of pancreatic cancer remain unclear.
19p
vikolindagrabar
27-07-2022
2
2
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A new study reveals comprehensive and unique epigenetic properties of glioma stem cells, leading to novel molecular insights and therapeutic potentials toward glioblastoma multiforme treatment.
3p
vimichaelfaraday
25-03-2022
10
1
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DNA methylation is a heritable epigenetic mark, enabling stable but reversible gene repression. In mammalian cells, DNA methyltransferases (DNMTs) are responsible for modifying cytosine to 5-methylcytosine (5mC), which can be further oxidized by the TET dioxygenases to ultimately cause DNA demethylation.
15p
vigalileogalilei
27-02-2022
17
1
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The decline of hematopoietic stem cell (HSC) function upon aging contributes to aging-associated immune remodeling and leukemia pathogenesis. Aged HSCs show changes to their epigenome, such as alterations in DNA methylation and histone methylation and acetylation landscapes.
21p
vigalileogalilei
27-02-2022
22
1
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Recent innovations in single-cell Assay for Transposase Accessible Chromatin using sequencing (scATAC-seq) enable profiling of the epigenetic landscape of thousands of individual cells. scATAC-seq data analysis presents unique methodological challenges.
25p
vielonmusk
30-01-2022
9
0
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Histone modification H4K20me3 and its methyltransferase SUV420H2 have been implicated in suppression of tumorigenesis. The underlying mechanism is unclear, although H4K20me3 abundance increases during cellular senescence, a stable proliferation arrest and tumor suppressor process, triggered by diverse molecular cues, including activated oncogenes.
20p
viaristotle
29-01-2022
5
0
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Gene expression can be influenced by DNA methylation 1) distally, at regulatory elements such as enhancers, as well as 2) proximally, at promoters. Our current understanding of the influence of distal DNA methylation changes on gene expression patterns is incomplete. Here, we characterize genome-wide methylation and expression patterns for ~ 13 k genes to explore how DNA methylation interacts with gene expression, throughout the genome.
13p
vibeauty
23-10-2021
12
1
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Consequences of early life stress on genomic landscape of H3K4me3 in prefrontal cortex of adult mice
Maternal separation models in rodents are widely used to establish molecular mechanisms underlying prolonged effects of early life adversity on neurobiological and behavioral outcomes in adulthood. However, global epigenetic signatures following early life stress in these models remain unclear.
11p
vibeauty
23-10-2021
5
0
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To define alterations in epigenetic landscapes in breast cancers, we profiled the distributions of 8 key histone modifications by ChIP-Seq, as well as primary (GRO-seq) and steady state (RNA-Seq) transcriptomes, across 13 distinct cell lines that represent 5 molecular subtypes of breast cancer and immortalized human mammary epithelial cells.
11p
vibeauty
23-10-2021
13
0
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The regulation of gene expression in eukaryotic cells is a complex process that involves epigenetic modifications and the interaction of DNA with multiple transcription factors. This process can be studied with unprecedented sensitivity using a combination of chromatin immunoprecipitation and next-generation DNA sequencing (ChIP-seq).
7p
vioklahoma2711
19-11-2020
11
1
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Genome-wide studies of DNA methylation across the epigenetic landscape provide insights into the heterogeneity of pluripotent embryonic stem cells (ESCs). Differentiating into embryonic somatic and germ cells, ESCs exhibit varying degrees of pluripotency, and epigenetic changes occurring in this process have emerged as important factors explaining stem cell pluripotency.
12p
vicolorado2711
22-10-2020
19
0
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Anaplastic thyroid carcinoma is the most undifferentiated form of thyroid cancer and one of the deadliest of all adult solid malignancies. Here we report the first genomic and transcriptomic profile of anaplastic thyroid cancer including those of several unique cell lines and outline novel potential drivers of malignancy and targets of therapy.
11p
vimoscow2711
29-08-2020
7
0
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Multicellular organisms comprise a variety of cell types that have the same genotype but distinct phenotypes. This diversity is possible because of the establishment of a specific epigenetic landscape that stabilizes gene expression profiles that are exclusive for a particular cell type.
15p
sony2711
28-01-2019
28
1
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Nuclear Reprogramming Development naturally progresses from totipotent fertilized eggs to pluripotent epiblast cells, to multipotent cells, and finally to terminally differentiated cells. According to Waddington's epigenetic landscape, this is analogous to a ball moving down a slope. The reversal of the terminally differentiated cells to totipotent or pluripotent cells (called nuclear reprogramming) can thus be seen as an uphill gradient that never occurs in normal conditions.
6p
konheokonmummim
03-12-2010
100
8
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