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Epigenomes, Volume 7, Issue 4

2023 December - 10 articles

Cover Story: In female mammalian cells, one of the two X chromosomes is genetically silenced to regulate the doubled amount of X-chromosomal genes compared to male cells. SPEN was recently identified as a silencing factor in mouse X chromosome inactivation (XCI), bridging the cis-acting long non-coding RNA Xist to gene repression. Subsequently, stable inactivation of one of the two X chromosomes in female cells can be observed. High conservation indicates a similar role of SPEN in human XCI. Independent of XCI, SPEN is involved in the repression of genes responsive to NOTCH and nuclear hormone receptor signaling. Unveiling the underlying mechanisms of SPEN's function and comparing different pathways and species will be interesting areas of future research. View this paper
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Articles (10)

  • Review
  • Open Access
4 Citations
5,100 Views
17 Pages

12 December 2023

Hematopoietic stem cells (HSCs) are essential for maintaining overall health by continuously generating blood cells throughout an individual’s lifespan. However, as individuals age, the hematopoietic system undergoes significant functional decl...

  • Review
  • Open Access
3 Citations
4,637 Views
12 Pages

World Trade Center Exposure, DNA Methylation Changes, and Cancer: A Review of Current Evidence

  • Stephanie Tuminello,
  • Emelie Nguyen,
  • Nedim Durmus,
  • Ramazan Alptekin,
  • Muhammed Yilmaz,
  • Maria Cecilia Crisanti,
  • Matija Snuderl,
  • Yu Chen,
  • Yongzhao Shao and
  • Alan A. Arslan
  • + 2 authors

Introduction: Known carcinogens in the dust and fumes from the destruction of the World Trade Center (WTC) towers on 9 November 2001 included metals, asbestos, and organic pollutants, which have been shown to modify epigenetic status. Epigenome-wide...

  • Article
  • Open Access
2 Citations
3,214 Views
15 Pages

Comparison of Yersinia enterocolitica DNA Methylation at Ambient and Host Temperatures

  • Dustin J. Van Hofwegen,
  • Carolyn J. Hovde and
  • Scott A. Minnich

30 November 2023

Pathogenic bacteria recognize environmental cues to vary gene expression for host adaptation. Moving from ambient to host temperature, Yersinia enterocolitica responds by immediately repressing flagella synthesis and inducing the virulence plasm...

  • Review
  • Open Access
22 Citations
11,467 Views
24 Pages

Out of the Silence: Insights into How Genes Escape X-Chromosome Inactivation

  • Samantha B. Peeters,
  • Bronwyn J. Posynick and
  • Carolyn J. Brown

23 November 2023

The silencing of all but one X chromosome in mammalian cells is a remarkable epigenetic process leading to near dosage equivalence in X-linked gene products between the sexes. However, equally remarkable is the ability of a subset of genes to continu...

  • Review
  • Open Access
3 Citations
5,728 Views
22 Pages

For about 30 years, SPEN has been the subject of research in many different fields due to its variety of functions and its conservation throughout a wide spectrum of species, like worms, arthropods, and vertebrates. To date, 216 orthologues have been...

  • Article
  • Open Access
2 Citations
4,060 Views
12 Pages

Stress and DNA Methylation of Blood Leukocytes among Pregnant Latina Women

  • Veronica Barcelona,
  • Sameera Abuaish,
  • Seonjoo Lee,
  • Sarah Harkins,
  • Ashlie Butler,
  • Benjamin Tycko,
  • Andrea A. Baccarelli,
  • Kate Walsh and
  • Catherine E. Monk

Latinas experience physical and psychological stressors in pregnancy leading to increased morbidity and higher risk for adverse birth outcomes. Epigenetic changes, including DNA methylation (DNAm), have been proposed as markers to create more refined...

  • Correction
  • Open Access
1 Citations
1,945 Views
3 Pages

23. Akirtava, C.; May, G.E.; McManus, C.J. False-Positive IRESes from Hoxa9 and
Other Genes Resulting from Errors in Mam-malian 5’ UTR Annotations [...]

  • Article
  • Open Access
3 Citations
3,239 Views
15 Pages

Maternal MicroRNA Profile Changes When LH Is Added to the Ovarian Stimulation Protocol: A Pilot Study

  • Fani Konstantinidou,
  • Martina Placidi,
  • Giovanna Di Emidio,
  • Liborio Stuppia,
  • Carla Tatone,
  • Valentina Gatta and
  • Paolo Giovanni Artini

While the use of follicle-stimulating hormone (FSH) in ovarian stimulation for in vitro fertilization (IVF) is an established practice, the use of luteinizing hormone (LH) remains debatable. MicroRNAs (miRNAs) are short, endogenous, non-coding transc...

  • Review
  • Open Access
14 Citations
4,384 Views
17 Pages

The ErbB Signaling Network and Its Potential Role in Endometrial Cancer

  • Georgios Androutsopoulos,
  • Ioanna Styliara,
  • Evgenia Zarogianni,
  • Nadia Lazurko,
  • George Valasoulis,
  • Georgios Michail and
  • Georgios Adonakis

Endometrial cancer (EC) is the second most common malignancy of the female reproductive system worldwide. The updated EC classification emphasizes the significant role of various signaling pathways such as PIK3CA-PIK3R1-PTEN and RTK/RAS/β-cateni...

  • Review
  • Open Access
13 Citations
5,082 Views
20 Pages

Current Approaches to Epigenetic Therapy

  • Ekaterina D. Griazeva,
  • Daria M. Fedoseeva,
  • Elizaveta I. Radion,
  • Pavel V. Ershov,
  • Ivan O. Meshkov,
  • Alexandra V. Semyanihina,
  • Anna S. Makarova,
  • Valentin V. Makarov,
  • Vladimir S. Yudin and
  • Sergey A. Kraevoy
  • + 1 author

30 September 2023

Epigenetic therapy is a promising tool for the treatment of a wide range of diseases. Several fundamental epigenetic approaches have been proposed. Firstly, the use of small molecules as epigenetic effectors, as the most developed pharmacological met...

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Epigenomes - ISSN 2075-4655