You are currently on the new version of our website. Access the old version .

141 Results Found

  • Article
  • Open Access
29 Citations
3,968 Views
12 Pages

7 December 2021

An important reason of cancer proliferation is the change in DNA methylation patterns, characterized by the localized hypermethylation of the promoters of tumor-suppressor genes together with an overall decrease in the level of 5-methylcytosine (5mC)...

  • Article
  • Open Access
1 Citations
2,140 Views
14 Pages

28 October 2022

The primary pathogen causing post-weaning diarrhea in piglets is Escherichia coli F18 (E. coli F18), hence it is essential to investigate the mechanism governing E. coli F18 resistance in native pig breeds. Based on the previous RNA-seq results of th...

  • Article
  • Open Access
19 Citations
3,337 Views
13 Pages

23 July 2021

DNA is subject to epigenetic modification by the molecule N4-methylcytosine (4mC). N4-methylcytosine plays a crucial role in DNA repair and replication, protects host DNA from degradation, and regulates DNA expression. However, though current experim...

  • Review
  • Open Access
2 Citations
1,908 Views
19 Pages

NSUN-Mediated m5C RNA Modification in Stem Cell Regulation

  • Jiin Moon,
  • Hyohi Lee,
  • Yeonju Jang and
  • Seung-Kyoon Kim

16 October 2025

RNA modifications comprise a core epigenetic dimension of gene regulation; among these, N6-methyladenosine (m6A) and 5-methylcytosine (m5C) have been most intensively investigated. While the functions of m6A in stem cell biology have been well charac...

  • Review
  • Open Access
1 Citations
2,109 Views
22 Pages

24 August 2025

Hepatitis B virus (HBV) remains a major global health challenge, with over 296 million people chronically infected worldwide. Despite the availability of antiviral therapies, a functional cure is rarely achieved, highlighting the need for novel thera...

  • Review
  • Open Access
98 Citations
10,284 Views
29 Pages

10 November 2017

The broad application of next-generation sequencing technologies in conjunction with improved bioinformatics has helped to illuminate the complexity of the transcriptome, both in terms of quantity and variety. In humans, 70–90% of the genome is trans...

  • Review
  • Open Access
65 Citations
9,215 Views
19 Pages

13 May 2017

A neuron is unique in its ability to dynamically modify its transcriptional output in response to synaptic activity while maintaining a core gene expression program that preserves cellular identity throughout a lifetime that is longer than almost eve...

  • Review
  • Open Access
81 Citations
10,054 Views
26 Pages

30 October 2020

Nonalcoholic fatty liver disease (NAFLD) is a widespread hepatic disorder in the United States and other Westernized countries. Nonalcoholic steatohepatitis (NASH), an advanced stage of NAFLD, can progress to end-stage liver disease, including cirrho...

  • Review
  • Open Access
12 Citations
4,230 Views
19 Pages

Chemically modified nucleic acid bases are sources of genomic instability and mutations but may also regulate gene expression as epigenetic or epitranscriptomic modifications. Depending on the cellular context, they can have vastly diverse impacts on...

  • Article
  • Open Access
2 Citations
3,322 Views
24 Pages

Unraveling Transcriptome Profile, Epigenetic Dynamics, and Morphological Changes in Psoriasis-like Keratinocytes: “Insights into Similarity with Psoriatic Lesional Epidermis”

  • Ameneh Ghaffarinia,
  • Szilárd Póliska,
  • Ferhan Ayaydin,
  • Aniko Goblos,
  • Shahram Parvaneh,
  • Máté Manczinger,
  • Fanni Balogh,
  • Lilla Erdei,
  • Zoltán Veréb and
  • Lajos Kemény
  • + 2 authors

12 December 2023

Keratinocytes are one of the primary cells affected by psoriasis inflammation. Our study aimed to delve deeper into their morphology, transcriptome, and epigenome changes in response to psoriasis-like inflammation. We created a novel cytokine mixture...

  • Article
  • Open Access
32 Citations
5,002 Views
16 Pages

22 July 2020

N4-methylcytosine as one kind of modification of DNA has a critical role which alters genetic performance such as protein interactions, conformation, stability in DNA as well as the regulation of gene expression same cell developmental and genomic im...

  • Review
  • Open Access
20 Citations
9,210 Views
28 Pages

Members of the DNA methyltransferase (DNMT) family have been recognized as major epigenetic regulators of altered gene expression during tumor development. They establish and maintain DNA methylation of the CpG island of promoter and non-CpG region o...

  • Article
  • Open Access
3 Citations
2,612 Views
19 Pages

29 September 2021

DNA N4-methylcytosine(4mC) plays an important role in numerous biological functions and is a mechanism of particular epigenetic importance. Therefore, accurate identification of the 4mC sites in DNA sequences is necessary to understand the functional...

  • Article
  • Open Access
17 Citations
4,078 Views
13 Pages

12 April 2022

5-methylcytosine (m5C) is a common post-transcriptional modification observed in a variety of RNAs. m5C has been demonstrated to be important in a variety of biological processes, including RNA structural stability and metabolism. Driven by the impor...

  • Review
  • Open Access
404 Citations
21,976 Views
17 Pages

30 January 2019

5-methylcytosine (m5C) is an abundant RNA modification that’s presence is reported in a wide variety of RNA species, including cytoplasmic and mitochondrial ribosomal RNAs (rRNAs) and transfer RNAs (tRNAs), as well as messenger RNAs (mRNAs), en...

  • Article
  • Open Access
5 Citations
2,810 Views
16 Pages

31 December 2022

Recently, studies have revealed the prognostic value of 5-methylcytosine (m5C) in clear cell renal cell carcinoma (ccRCC). However, the role of m5C methylation in ccRCC immune infiltration and the immunotherapeutic response remains unknown. Based on...

  • Review
  • Open Access
24 Citations
7,432 Views
41 Pages

22 April 2021

Chromatin structure plays an essential role in eukaryotic gene expression and cell identity. Traditionally, DNA and histone modifications have been the focus of chromatin regulation; however, recent molecular and imaging studies have revealed an inti...

  • Review
  • Open Access
14 Citations
5,416 Views
31 Pages

Translational Regulation by eIFs and RNA Modifications in Cancer

  • Linzhu Zhang,
  • Yaguang Zhang,
  • Su Zhang,
  • Lei Qiu,
  • Yang Zhang,
  • Ying Zhou,
  • Junhong Han and
  • Jiang Xie

6 November 2022

Translation is a fundamental process in all living organisms that involves the decoding of genetic information in mRNA by ribosomes and translation factors. The dysregulation of mRNA translation is a common feature of tumorigenesis. Protein expressio...

  • Review
  • Open Access
1 Citations
1,962 Views
16 Pages

Exploring the Role of mRNA Methylation in Insect Biology and Resistance

  • Jiayang Zhang,
  • Luobin Lin,
  • Botian Huang,
  • Huoxi Liu,
  • Huaqin Li and
  • Wenmei Wu

28 April 2025

RNA methylation, characterized by modifications such as N6-methyladenosine, 5-methylcytosine, and N1-methyladenosine plays a crucial role in post-transcriptional gene regulation across diverse biological systems. While research on RNA methylation has...

  • Review
  • Open Access
37 Citations
12,344 Views
29 Pages

Alterations of 5-Hydroxymethylcytosine in Human Cancers

  • Christopher J. Mariani,
  • Jozef Madzo,
  • Erika L. Moen,
  • Ali Yesilkanal and
  • Lucy A. Godley

25 June 2013

Prior to 2009, 5-methylcytosine (5-mC) was thought to be the only biologically significant cytosine modification in mammalian DNA. With the discovery of the TET enzymes, which convert 5-methylcytosine (5-mC) to 5-hydroxymethylcytosine (5-hmC), howeve...

  • Review
  • Open Access
4,138 Views
11 Pages

4 July 2022

Three forms of methylated cytosines are present in the eukaryotic genome: 3-methylcytosine, 4-methylcytosine and 5-methylcytosine. 3-methylcytosines create methyl lesions, which impair local DNA function and flexibility, resulting in replication and...

  • Article
  • Open Access
7 Citations
1,797 Views
14 Pages

30 May 2024

N4-methylcytosine (4mC) is a critical epigenetic modification that plays a pivotal role in the regulation of a multitude of biological processes, including gene expression, DNA replication, and cellular differentiation. Traditional experimental metho...

  • Article
  • Open Access
11 Citations
2,952 Views
10 Pages

19 May 2021

DNA N4-Methylcytosine is a genetic modification process which has an essential role in changing different biological processes such as DNA conformation, DNA replication, DNA stability, cell development and structural alteration in DNA. Due to its neg...

  • Article
  • Open Access
13 Citations
7,634 Views
10 Pages

12 March 2013

Selective photocrosslinking reaction between 3-cyanovinylcarbazole nucleoside (CNVK) and 5-methylcytosine (mC), which is known as epigenetic modification in genomic DNA, was developed. The reaction was completely finished within 5 s of 366 nm irradia...

  • Review
  • Open Access
14 Citations
3,245 Views
12 Pages

30 November 2021

DNA methylation (5-methylcytosine, 5mC) was once viewed as a stable epigenetic modification until Rao and colleagues identified Ten-eleven translocation 1 (TET1) as the first 5mC dioxygenase in 2009. TET family genes (including TET1, TET2, and TET3)...

  • Editorial
  • Open Access
3 Citations
4,638 Views
6 Pages

In addition to the genetic variations, recent evidence has shown that DNA methylation of both 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC) underlies the pathogenesis of pediatric cancer. Given the high mortality rate, there is an urgent...

  • Review
  • Open Access
13 Citations
4,642 Views
21 Pages

15 January 2023

The mammalian DNA methylation landscape is established and maintained by the combined activities of the two key epigenetic modifiers, DNA methyltransferases (DNMT) and Ten-eleven-translocation (TET) enzymes. Once DNMTs produce 5-methylcytosine (5mC),...

  • Article
  • Open Access
1 Citations
1,967 Views
13 Pages

13 September 2024

Both DNA 5-methylcytosine (5mC) and RNA N6-methyladenosine (m6A) modifications are reported to participate in cellular stress responses including inflammation. Phosphoenolpyruvate carboxykinase 2 (PCK2) is upregulated in Kupffer cells (KCs) to facili...

  • Article
  • Open Access
1 Citations
2,421 Views
18 Pages

Smoking-Induced DNA Hydroxymethylation Signature Is Less Pronounced than True DNA Methylation: The Population-Based KORA Fit Cohort

  • Liye Lai,
  • Pamela R. Matías-García,
  • Anja Kretschmer,
  • Christian Gieger,
  • Rory Wilson,
  • Jakob Linseisen,
  • Annette Peters and
  • Melanie Waldenberger

Despite extensive research on 5-methylcytosine (5mC) in relation to smoking, there has been limited exploration into the interaction between smoking and 5-hydroxymethylcytosine (5hmC). In this study, total DNA methylation (5mC+5hmC), true DNA methyla...

  • Review
  • Open Access
8 Citations
5,111 Views
36 Pages

Methods for Detection and Mapping of Methylated and Hydroxymethylated Cytosine in DNA

  • Olga Kisil,
  • Alexander Sergeev,
  • Anna Bacheva and
  • Maria Zvereva

23 October 2024

The chemical modifications of DNA are of pivotal importance in the epigenetic regulation of cellular processes. Although the function of 5-methylcytosine (5mC) has been extensively investigated, the significance of 5-hydroxymethylcytosine (5hmC) has...

  • Article
  • Open Access
18 Citations
3,606 Views
13 Pages

DNA Modification Patterns within the Transposable Elements of the Fig (Ficus carica L.) Genome

  • Gabriele Usai,
  • Alberto Vangelisti,
  • Samuel Simoni,
  • Tommaso Giordani,
  • Lucia Natali,
  • Andrea Cavallini and
  • Flavia Mascagni

27 February 2021

Transposable element activity can be harmful to the host’s genome integrity, but it can also provide selective advantages. One strategy to cope with transposons is epigenetic control through DNA base modifications. We report the non-canonic DNA modif...

  • Article
  • Open Access
90 Citations
5,512 Views
15 Pages

4mCpred-EL: An Ensemble Learning Framework for Identification of DNA N4-Methylcytosine Sites in the Mouse Genome

  • Balachandran Manavalan,
  • Shaherin Basith,
  • Tae Hwan Shin,
  • Da Yeon Lee,
  • Leyi Wei and
  • Gwang Lee

28 October 2019

DNA N4-methylcytosine (4mC) is one of the key epigenetic alterations, playing essential roles in DNA replication, differentiation, cell cycle, and gene expression. To better understand 4mC biological functions, it is crucial to gain knowledge on its...

  • Article
  • Open Access
26 Citations
3,802 Views
10 Pages

20 February 2021

Among DNA modifications, N4-methylcytosine (4mC) is one of the most significant ones, and it is linked to the development of cell proliferation and gene expression. To know different its biological functions, the accurate detection of 4mC sites is re...

  • Review
  • Open Access
125 Citations
19,650 Views
54 Pages

DNA Modifications: Function and Applications in Normal and Disease States

  • Vichithra R. B. Liyanage,
  • Jessica S. Jarmasz,
  • Nanditha Murugeshan,
  • Marc R. Del Bigio,
  • Mojgan Rastegar and
  • James R. Davie

22 October 2014

Epigenetics refers to a variety of processes that have heritable effects on gene expression programs without changes in DNA sequence. Key players in epigenetic control are chemical modifications to DNA, histone, and non-histone chromosomal proteins,...

  • Article
  • Open Access
6 Citations
2,593 Views
12 Pages

Methylation of TET2 Promoter Is Associated with Global Hypomethylation and Hypohydroxymethylation in Peripheral Blood Mononuclear Cells of Systemic Lupus Erythematosus Patients

  • Wan-Yu Sung,
  • Yuan-Zhao Lin,
  • Daw-Yang Hwang,
  • Chia-Hui Lin,
  • Ruei-Nian Li,
  • Chia-Chun Tseng,
  • Cheng-Chin Wu,
  • Tsan-Teng Ou and
  • Jeng-Hsien Yen

1 December 2022

(1) Background: It is widely accepted that aberrant methylation patterns contribute to the development of systemic lupus erythematosus (SLE). Ten–eleven translocation (TET) methylcytosine dioxygenase is an essential enzyme of which there are th...

  • Article
  • Open Access
3 Citations
2,174 Views
13 Pages

Prediction of the Effect of Methylation in the Promoter Region of ZP2 Gene on Egg Production in Jinghai Yellow Chickens

  • Jin Zhang,
  • Xiang-Qian Zhang,
  • Xuan-Ze Ling,
  • Xiu-Hua Zhao,
  • Kai-Zhi Zhou,
  • Jin-Yu Wang and
  • Gen-Xi Zhang

16 October 2022

Egg production in chickens is a quantitative trait. The aim of this study was to investigate the effect of promoter methylation of the Zona pellucida 2 (ZP2) gene on egg production. Real-time fluorescence quantification showed that the expression of...

  • Article
  • Open Access
10 Citations
2,941 Views
16 Pages

DNA Methylation as an Early Indicator of Aging in Stored Seeds of “Exceptional” Species Populus nigra L.

  • Marcin Michalak,
  • Beata Patrycja Plitta-Michalak,
  • Mirosława Zofia Naskręt-Barciszewska,
  • Jan Barciszewski and
  • Paweł Chmielarz

30 June 2022

Ex situ preservation of genetic resources is an essential strategy for the conservation of plant biodiversity. In this regard, seed storage is the most convenient and efficient way of preserving germplasm for future plant breeding efforts. A better u...

  • Article
  • Open Access
7 Citations
3,313 Views
19 Pages

A Grid Search-Based Multilayer Dynamic Ensemble System to Identify DNA N4—Methylcytosine Using Deep Learning Approach

  • Rajib Kumar Halder,
  • Mohammed Nasir Uddin,
  • Md. Ashraf Uddin,
  • Sunil Aryal,
  • Md. Aminul Islam,
  • Fahima Hossain,
  • Nusrat Jahan,
  • Ansam Khraisat and
  • Ammar Alazab

25 February 2023

DNA (Deoxyribonucleic Acid) N4-methylcytosine (4mC), a kind of epigenetic modification of DNA, is important for modifying gene functions, such as protein interactions, conformation, and stability in DNA, as well as for the control of gene expression...

  • Article
  • Open Access
6 Citations
2,838 Views
15 Pages

Locus-Specific Enrichment Analysis of 5-Hydroxymethylcytosine Reveals Novel Genes Associated with Breast Carcinogenesis

  • Deepa Ramasamy,
  • Arunagiri Kuha Deva Magendhra Rao,
  • Meenakumari Balaiah,
  • Arvinden Vittal Rangan,
  • Shirley Sundersingh,
  • Sridevi Veluswami,
  • Rajkumar Thangarajan and
  • Samson Mani

20 September 2022

An imbalance in DNA methylation is a hallmark epigenetic alteration in cancer. The conversion of 5-methylcytosine (5-mC) to 5-hydroxymethyl cytosine (5-hmC), which causes the imbalance, results in aberrant gene expression. The precise functional role...

  • Communication
  • Open Access
22 Citations
7,444 Views
14 Pages

Analysis of DNA Methylation and Hydroxymethylation in the Genome of Crustacean Daphnia pulex

  • Dovilė Strepetkaitė,
  • Gediminas Alzbutas,
  • Eimantas Astromskas,
  • Arūnas Lagunavičius,
  • Rasa Sabaliauskaitė,
  • Kęstutis Arbačiauskas and
  • Juozas Lazutka

31 December 2015

The aim of our study was to analyze the presence of 5-methyl-cytosine (5-mC) and 5-hydroxymethyl-cytosine (5-hmC) in the genome of crustacean Daphnia pulex. First, the presence of 5-mC and 5-hmC in genomic DNA was demonstrated by using antibodies spe...

  • Review
  • Open Access
25 Citations
5,550 Views
12 Pages

The Role of Thymine DNA Glycosylase in Transcription, Active DNA Demethylation, and Cancer

  • Oladapo Onabote,
  • Haider M. Hassan,
  • Majdina Isovic and
  • Joseph Torchia

1 February 2022

DNA methylation is an essential covalent modification that is required for growth and development. Once considered to be a relatively stable epigenetic mark, many studies have established that DNA methylation is dynamic. The 5-methylcytosine (5-mC) m...

  • Article
  • Open Access
2 Citations
4,080 Views
17 Pages

DNA Methylation and Demethylation in Triple-Negative Breast Cancer: Associations with Clinicopathological Characteristics and the Chemotherapy Response

  • Kateryna Tarhonska,
  • Mateusz Wichtowski,
  • Thomas Wow,
  • Agnieszka Kołacińska-Wow,
  • Katarzyna Płoszka,
  • Wojciech Fendler,
  • Izabela Zawlik,
  • Sylwia Paszek,
  • Alina Zuchowska and
  • Ewa Jabłońska

Objectives: Triple-negative breast cancer (TNBC) is an aggressive cancer subtype with limited treatment options due to the absence of estrogen, progesterone receptors, and HER2 expression. This study examined the impact of DNA methylation and demethy...

  • Article
  • Open Access
914 Views
14 Pages

18 September 2025

Background/Objectives: The DNA methylome allows environmental signals to be converted into stable and adaptive changes in gene expression. While 5-methylcytosine (5mC) has been extensively studied, alternative epigenetic marks such as N6-methyladenin...

  • Feature Paper
  • Article
  • Open Access
5 Citations
3,452 Views
9 Pages

5-Hydroxymethylcytosine Loss in Conjunctival Melanoma

  • Alexandre Stahl,
  • Nicolo Riggi,
  • Katya Nardou,
  • Michael Nicolas,
  • Gurkan Kaya and
  • Alexandre Moulin

Aims: Conjunctival and cutaneous melanoma partially share similar clinical and molecular backgrounds. As 5-hydroxymethylcytosine (5-hmC) loss has been demonstrated in cutaneous melanoma, we decided to assess if similar changes were occurring in conju...

  • Article
  • Open Access
2,681 Views
12 Pages

Effects of Acetaminophen Contamination on 5-Methylcytosine Content in Zea mays and Plant Physiological Parameters

  • Jiří Kudrna,
  • Marek Popov,
  • František Hnilička,
  • Marie Lhotská,
  • Veronika Zemanová,
  • Pavla Vachová,
  • Jan Kubeš,
  • Jana Česká and
  • Barbora Tunklová

Zea mays L. plants were exposed to acetaminophen (APAP). Experiments were conducted in an experimental greenhouse with semi-controlled conditions. Experimental plants were grown in concentrations of APAP of 0, 200, 400, 600, 800, and 1000 mg L−...

  • Article
  • Open Access
3 Citations
2,675 Views
21 Pages

5-Methylcytosine and 5-Hydroxymethylcytosine in Scrapie-Infected Sheep and Mouse Brain Tissues

  • Adelaida Hernaiz,
  • Sara Sentre,
  • Marina Betancor,
  • Óscar López-Pérez,
  • Mónica Salinas-Pena,
  • Pilar Zaragoza,
  • Juan José Badiola,
  • Janne Markus Toivonen,
  • Rosa Bolea and
  • Inmaculada Martín-Burriel

13 January 2023

Scrapie is a neurodegenerative disorder belonging to the group of transmissible spongiform encephalopathies or prion diseases, which are caused by an infectious isoform of the innocuous cellular prion protein (PrPC) known as PrPSc. DNA methylation, o...

  • Review
  • Open Access
3 Citations
1,782 Views
16 Pages

5-methylcytosine (5mC) is a common form of DNA methylation, essentially acting as an epigenetic modification that regulates gene expression by affecting the binding of transcription factors to DNA or by recruiting proteins that make it difficult to r...

  • Review
  • Open Access
110 Citations
16,258 Views
22 Pages

DNA Methylation in Solid Tumors: Functions and Methods of Detection

  • Andrea Martisova,
  • Jitka Holcakova,
  • Nasim Izadi,
  • Ravery Sebuyoya,
  • Roman Hrstka and
  • Martin Bartosik

DNA methylation, i.e., addition of methyl group to 5′-carbon of cytosine residues in CpG dinucleotides, is an important epigenetic modification regulating gene expression, and thus implied in many cellular processes. Deregulation of DNA methylation i...

  • Review
  • Open Access
3 Citations
6,138 Views
30 Pages

3 September 2024

In the era of precision oncology, identifying abnormal genetic and epigenetic alterations has transformed the way cancer is diagnosed, managed, and treated. 5-hydroxymethylcytosine (5hmC) is an emerging epigenetic modification formed through the oxid...

  • Article
  • Open Access
4 Citations
2,772 Views
15 Pages

TET Family Members Are Integral to Porcine Oocyte Maturation and Parthenogenetic Pre-Implantation Embryogenesis

  • Fan Chen,
  • Ming-Guo Li,
  • Zai-Dong Hua,
  • Hong-Yan Ren,
  • Hao Gu,
  • An-Feng Luo,
  • Chang-Fan Zhou,
  • Zhe Zhu,
  • Tao Huang and
  • Yan-Zhen Bi

5 August 2023

The ten-eleven translocation (TET) enzyme family, which includes TET1/2/3, participates in active DNA demethylation in the eukaryotic genome; moreover, TET1/2/3 are functionally redundant in mice embryos. However, the combined effect of TET1/2/3 trip...

of 3