Multifaced role of protein deacetylase sirtuins in neurodegenerative disease

R Gupta, RK Ambasta, P Kumar - Neuroscience & Biobehavioral Reviews, 2022 - Elsevier
Sirtuins, a class III histone/protein deacetylase, is a central regulator of metabolic function
and cellular stress response. This plays a pivotal role in the pathogenesis and progression …

Chromatin dynamics and DNA replication roadblocks

I Hammond-Martel, A Verreault, H Wurtele - DNA repair, 2021 - Elsevier
A broad spectrum of spontaneous and genotoxin-induced DNA lesions impede replication
fork progression. The DNA damage response that acts to promote completion of DNA …

BZD9L1 sirtuin inhibitor as a potential adjuvant for sensitization of colorectal cancer cells to 5-fluorouracil

YJ Tan, YT Lee, SH Petersen, G Kaur… - Therapeutic …, 2019 - journals.sagepub.com
Background: This study aims to investigate the combination effect of a novel sirtuin inhibitor
(BZD9L1) with 5-fluorouracil (5-FU) and to determine its molecular mechanism of action in …

Chromatin as a platform for modulating the replication stress response

LA Fournier, A Kumar, PC Stirling - Genes, 2018 - mdpi.com
Eukaryotic DNA replication occurs in the context of chromatin. Recent years have seen
major advances in our understanding of histone supply, histone recycling and nascent …

A subtelomeric region affects telomerase-negative replicative senescence in Saccharomyces cerevisiae

P Jolivet, K Serhal, M Graf, S Eberhard, Z Xu, B Luke… - Scientific reports, 2019 - nature.com
In eukaryotes, telomeres determine cell proliferation potential by triggering replicative
senescence in the absence of telomerase. In Saccharomyces cerevisiae, senescence is …

Persistent Acetylation of Histone H3 Lysine 56 Compromises the Activity of DNA Replication Origins

R Tremblay, Y Mehrjoo, O Ahmed… - … and Cellular Biology, 2023 - Taylor & Francis
In Saccharomyces cerevisiae, newly synthesized histones H3 are acetylated on lysine 56
(H3 K56ac) by the Rtt109 acetyltransferase prior to their deposition on nascent DNA behind …

DNA damage, sirtuins, and epigenetic marks

DK Alves-Fernandes, MG Jasiulionis - Epigenetics and DNA Damage, 2022 - Elsevier
Sirtuins are class III NAD+-dependent histone deacetylases (HDACs), able to modify several
proteins, including histones. Due to their deacetylase activity in histones, they are involved …

Impact de la structure de la chromatine naissante sur la réponse aux stress réplicatifs

R Tremblay - 2024 - papyrus.bib.umontreal.ca
L'usage de composé chimique causant des dommages à l'ADN en phase S est une
stratégie couramment utilisée en chimiothérapie du cancer. Ainsi, l'étude de la réponse …

Persistent acetylation of newly synthesized histones inhibits DNA replication origin activity

R Tremblay, Y Mehrjoo, A Simoneau, M McQuaid… - bioRxiv, 2022 - biorxiv.org
Histone acetylation is a known regulator of DNA replication dynamics. In the yeast
Saccharomyces cerevisiae, newly synthesized histone H3 deposited behind DNA …