Sirtuins, epigenetics and longevity

M Wątroba, I Dudek, M Skoda, A Stangret… - Ageing research …, 2017 - Elsevier
Aging of organisms begins from a single cell at the molecular level. It includes changes
related to telomere shortening, cell senescence and epigenetic modifications. These …

Shaping the cellular landscape with Set2/SETD2 methylation

SL McDaniel, BD Strahl - Cellular and Molecular Life Sciences, 2017 - Springer
Chromatin structure is a major barrier to gene transcription that must be disrupted and re-set
during each round of transcription. Central to this process is the Set2/SETD2 …

Diverse interventions that extend mouse lifespan suppress shared age-associated epigenetic changes at critical gene regulatory regions

JJ Cole, NA Robertson, MI Rather, JP Thomson… - Genome biology, 2017 - Springer
Background Age-associated epigenetic changes are implicated in aging. Notably, age-
associated DNA methylation changes comprise a so-called aging “clock”, a robust …

Systematic analysis of the determinants of gene expression noise in embryonic stem cells

AJ Faure, JM Schmiedel, B Lehner - Cell systems, 2017 - cell.com
Isogenic cells in a common environment show substantial cell-to-cell variation in gene
expression, often referred to as" expression noise." Here, we use multiple single-cell RNA …

H3K36 methylation regulates nutrient stress response in Saccharomyces cerevisiae by enforcing transcriptional fidelity

SL McDaniel, AJ Hepperla, J Huang, R Dronamraju… - Cell reports, 2017 - cell.com
Set2-mediated histone methylation at H3K36 regulates diverse activities, including DNA
repair, mRNA splicing, and suppression of inappropriate (cryptic) transcription. Although …

Interaction between epigenetic and metabolism in aging stem cells

A Brunet, TA Rando - Current Opinion in Cell Biology, 2017 - Elsevier
Aging is accompanied by a decline in tissue function, regeneration, and repair. A large part
of this decline is caused by the deterioration of tissue stem cell function. Understanding the …

Aggregation of the Whi3 protein, not loss of heterochromatin, causes sterility in old yeast cells

G Schlissel, MK Krzyzanowski, F Caudron, Y Barral… - Science, 2017 - science.org
In yeast, heterochromatin silencing is reported to decline in aging mother cells, causing
sterility in old cells. This process is thought to reflect a decrease in the activity of the NAD+ …

Insulin/insulin-like growth factor-1 signalling (IIS) based regulation of lifespan across species

R Mathew, M Pal Bhadra, U Bhadra - Biogerontology, 2017 - Springer
An organism's well-being is facilitated by numerous molecular and biochemical pathways
that ensure homeostasis within cells and tissues. Aging causes a gradual let-down in the …

Epigenetic gene regulation by histone demethylases: emerging role in oncogenesis and inflammation

MK Kang, S Mehrazarin, NH Park, CY Wang - Oral diseases, 2017 - Wiley Online Library
Histone N‐terminal tails of nucleosomes are the sites of complex regulation of gene
expression through post‐translational modifications. Among these modifications, histone …

Histone lysine methylation and congenital heart disease: from bench to bedside

X Yi, X Jiang, X Li, DS Jiang - … Journal of Molecular …, 2017 - spandidos-publications.com
Histone post-translational modifications (PTM) as one of the key epigenetic regulatory
mechanisms that plays critical role in various biological processes, including regulating …