Results 41 to 50 of about 259,719 (301)

Overexpression of DNA-methyltransferases in persistency of cccDNA pool in chronic hepatitis B [PDF]

open access: yesТерапевтический архив, 2017
Aim. To define the role of DNA-methyltransferases of type 1 and type 3A in hepatitis B viral cycle. Materials and methods. Human hepatoma cells HepG2 with stable expression of 1.1-mer HBV genome were transfected with vectors encoding DNA ...
D S Kostyushev   +8 more
doaj   +1 more source

A RID-like putative cytosine methyltransferase homologue controls sexual development in the fungus Podospora anserina.

open access: yesPLoS Genetics, 2019
DNA methyltransferases are ubiquitous enzymes conserved in bacteria, plants and opisthokonta. These enzymes, which methylate cytosines, are involved in numerous biological processes, notably development. In mammals and higher plants, methylation patterns
Pierre Grognet   +7 more
doaj   +1 more source

Mammalian DNA methyltransferases.

open access: yesActa Biochimica Polonica, 2006
DNA methylation is an epigenetic process affecting gene expression and chromatin organization. It can heritably silence or activate transcription of genes without any change in their nucleotide sequences, and for a long time was not recognized as an important regulatory mechanism.
Pawel, Siedlecki, Piotr, Zielenkiewicz
openaire   +3 more sources

Comparative analysis of DNA methyltransferase gene family in fungi: a focus on Basidiomycota

open access: yesFrontiers in Plant Science, 2016
DNA methylation plays a crucial role in the regulation of gene expression in eukaryotes. Mushrooms belonging to the phylum Basidiomycota are highly valued for both nutritional and pharmaceutical uses.
Ruirui Huang   +5 more
doaj   +1 more source

dCas9-based epigenome editing suggests acquisition of histone methylation is not sufficient for target gene repression. [PDF]

open access: yes, 2017
Distinct epigenomic profiles of histone marks have been associated with gene expression, but questions regarding the causal relationship remain. Here we investigated the activity of a broad collection of genomically targeted epigenetic regulators that ...
Farnham, Peggy J   +8 more
core   +2 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Modulation of DNA Methyltransferase 1 Profile by γ-lrradiation Followed by Methyl Donor Starvation

open access: yesPteridines, 2005
Role of one-carbon transfer agents methyl donors namely folate, choline and methionine in DNA methylation has been the subject of extensive investigation.
Batra Vipen   +2 more
doaj   +1 more source

Structure, Activity, and Function of SETMAR Protein Lysine Methyltransferase

open access: yesLife, 2021
SETMAR is a protein lysine methyltransferase that is involved in several DNA processes, including DNA repair via the non-homologous end joining (NHEJ) pathway, regulation of gene expression, illegitimate DNA integration, and DNA decatenation.
Michael Tellier
doaj   +1 more source

Clonal and microclonal mutational heterogeneity in high hyperdiploid acute lymphoblastic leukemia. [PDF]

open access: yes, 2016
High hyperdiploidy (HD), the most common cytogenetic subtype of B-cell acute lymphoblastic leukemia (B-ALL), is largely curable but significant treatment-related morbidity warrants investigating the biology and identifying novel drug targets.
de Smith, Adam J   +10 more
core   +1 more source

Genetic attenuation of ALDH1A1 increases metastatic potential and aggressiveness in colorectal cancer

open access: yesMolecular Oncology, EarlyView.
Aldehyde dehydrogenase 1A1 (ALDH1A1) is a cancer stem cell marker in several malignancies. We established a novel epithelial cell line from rectal adenocarcinoma with unique overexpression of this enzyme. Genetic attenuation of ALDH1A1 led to increased invasive capacity and metastatic potential, the inhibition of proliferation activity, and ultimately ...
Martina Poturnajova   +25 more
wiley   +1 more source

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