Results 91 to 100 of about 71,530 (247)

Chromatin dysregulation and DNA methylation at transcription start sites associated with transcriptional repression in cancers. [PDF]

open access: yes, 2019
Although promoter-associated CpG islands have been established as targets of DNA methylation changes in cancer, previous studies suggest that epigenetic dysregulation outside the promoter region may be more closely associated with transcriptional changes.
Ando, Mizuo   +24 more
core  

DNA methylation profiling of primary neuroblastoma tumors using methyl-CpG-binding domain sequencing [PDF]

open access: yes, 2016
Comprehensive genome-wide DNA methylation studies in neuroblastoma (NB), a childhood tumor that originates from precursor cells of the sympathetic nervous system, are scarce. Recently, we profiled the DNA methylome of 102 well-annotated primary NB tumors
Decock, Anneleen   +4 more
core   +1 more source

Integrated high‐resolution copy number and histomolecular analysis of diffuse hemispheric glioma, H3 G34‐mutant reveals universal TP53 abnormalities

open access: yesBrain Pathology, EarlyView.
This integrated high‐resolution copy number and histomolecular analysis of diffuse hemispheric glioma, H3 G34‐mutant expands the spectrum of associated genetic changes and underscores the presence of universal TP53 abnormalities at copy number, sequence, and protein expression level, with frequent yet largely unrecognized TP53 copy‐neutral loss of ...
Jorge A. Trejo‐Lopez   +28 more
wiley   +1 more source

Genome-scale computational analysis of DNA curvature and repeats in Arabidopsis and rice uncovers plant-specific genomic properties

open access: yesBMC Genomics, 2011
Background Due to its overarching role in genome function, sequence-dependent DNA curvature continues to attract great attention. The DNA double helix is not a rigid cylinder, but presents both curvature and flexibility in different regions, depending on
Jáuregui Ruy   +2 more
doaj   +1 more source

CpG Islands Detector: a Window-based CpG Island Search Tool [PDF]

open access: yesGenomics & Informatics, 2010
Abstract CpG is the pair of nucleotides C and G, appearing suc-cessively, in this order, along one DNA strand. It is known that due to biochemical considerations CpG is relatively rare in most DNA sequences. However, in par-ticular subsequences, which are a few hundred to a few thousand nucleotides long, the couple CpG is more frequent.
openaire   +1 more source

Predicting aberrant CpG island methylation [PDF]

open access: yesProceedings of the National Academy of Sciences, 2003
Epigenetic silencing associated with aberrant methylation of promoter region CpG islands is one mechanism leading to loss of tumor suppressor function in human cancer. Profiling of CpG island methylation indicates that some genes are more frequently methylated than others, and that each tumor type is associated with a unique set of ...
F A, Feltus   +4 more
openaire   +2 more sources

Super‐Enhancer Formation in Scirrhous Gastric CAFs, and the Presence of a Stromal Field in Non‐Cancerous Tissues

open access: yesCancer Science, EarlyView.
While CAFs are produced as a result of education by cancer cells in non‐scirrhous gastric cancer, normal fibroblasts of scirrhous gastric cancer patients are already pre‐conditioned, forming a stromal field for scirrhous gastric cancer. ABSTRACT Scirrhous gastric cancer has aggressive clinical courses and is characterized by dominating cancer ...
Yoshimi Yasukawa   +12 more
wiley   +1 more source

Ornithine decarboxylase antizyme induces hypomethylation of genome DNA and histone H3 lysine 9 dimethylation (H3K9me2) in human oral cancer cell line.

open access: yesPLoS ONE, 2010
BackgroundMethylation of CpG islands of genome DNA and lysine residues of histone H3 and H4 tails regulates gene transcription. Inhibition of polyamine synthesis by ornithine decarboxylase antizyme-1 (OAZ) in human oral cancer cell line resulted in ...
Daisuke Yamamoto   +7 more
doaj   +1 more source

Defining the chromatin signature of inducible genes in T cells [PDF]

open access: yes, 2016
BACKGROUND Specific chromatin characteristics, especially the modification status of the core histone proteins, are associated with active and inactive genes. There is growing evidence that genes that respond to environmental or developmental signals may
Bunting, Karen   +6 more
core   +1 more source

Comprehensive Assessment of the KDM2B‐Associated Neurodevelopmental Disorder and the 12q24.31 Microdeletion Syndrome

open access: yesClinical Genetics, EarlyView.
We set out to characterize genotype–phenotype correlations in the recently delineated KDM2B‐associated neurodevelopmental disorder. We observe a highly penetrant CxxC domain‐related phenotype with distinct facial features supported by GestaltMatcher. In contrast, our findings point to variable expressivity and incomplete penetrance of loss‐of‐function ...
Amber S. E. van Oirsouw   +30 more
wiley   +1 more source

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