Silencing and transcriptional regulation of endogenous retroviruses: an overview

FK Geis, SP Goff - Viruses, 2020 - mdpi.com
Almost half of the human genome is made up of transposable elements (TEs), and about 8%
consists of endogenous retroviruses (ERVs). ERVs are remnants of ancient exogenous …

Molecular physiology of Arc/Arg3. 1: The oligomeric state hypothesis of synaptic plasticity

MS Eriksen, CR Bramham - Acta Physiologica, 2022 - Wiley Online Library
The immediate early gene, Arc, is a pivotal regulator of synaptic plasticity, memory, and
cognitive flexibility. But what is Arc protein? How does it work? Inside the neuron, Arc is a …

Intercellular communication in the nervous system goes viral

MP Hantak, J Einstein, RB Kearns, JD Shepherd - Trends in neurosciences, 2021 - cell.com
Viruses and transposable elements are major drivers of evolution and make up over half the
sequences in the human genome. In some cases, these elements are co-opted to perform …

Arc self‐association and formation of virus‐like capsids are mediated by an N‐terminal helical coil motif

MS Eriksen, O Nikolaienko, EI Hallin… - The FEBS …, 2021 - Wiley Online Library
Activity‐regulated cytoskeleton‐associated protein (Arc) is a protein interaction hub with
diverse roles in intracellular neuronal signaling, and important functions in neuronal …

Structure of a Ty1 restriction factor reveals the molecular basis of transposition copy number control

MA Cottee, SL Beckwith, SC Letham, SJ Kim… - Nature …, 2021 - nature.com
Excessive replication of Saccharomyces cerevisiae Ty1 retrotransposons is regulated by
Copy Number Control, a process requiring the p22/p18 protein produced from a sub …

Viriforms—A New Category of Classifiable Virus-Derived Genetic Elements

JH Kuhn, EV Koonin - Biomolecules, 2023 - mdpi.com
The International Committee on Taxonomy of Viruses (ICTV) recently accepted viriforms as a
new polyphyletic category of classifiable virus-derived genetic elements, juxtaposed to the …

High-affinity anti-Arc nanobodies provide tools for structural and functional studies

S Markússon, EI Hallin, HJ Bustad, A Raasakka, J Xu… - Plos one, 2022 - journals.plos.org
Activity-regulated cytoskeleton-associated protein (Arc) is a multidomain protein of retroviral
origin with a vital role in the regulation of synaptic plasticity and memory formation in …

Endogenous capsid-forming protein ARC for self-assembling nanoparticle vaccines

Y Li, X Zhao, J Tang, M Yi, X Zai, J Zhang… - Journal of …, 2024 - Springer
The application of nanoscale scaffolds has become a promising strategy in vaccine design,
with protein-based nanoparticles offering desirable avenues for the biocompatible and …

[HTML][HTML] Structural properties and peptide ligand binding of the capsid homology domains of human Arc

EI Hallin, CR Bramham, P Kursula - Biochemistry and Biophysics Reports, 2021 - Elsevier
The activity-regulated cytoskeleton-associated protein (Arc) is important for synaptic
plasticity and the normal function of the brain. Arc interacts with neuronal postsynaptic …

[HTML][HTML] PNMA2 forms non-enveloped virus-like capsids that trigger paraneoplastic neurological syndrome

J Xu, S Erlendsson, M Singh, M Regier, I Ibiricu… - bioRxiv, 2023 - ncbi.nlm.nih.gov
The paraneoplastic Ma antigen (PNMA) genes are associated with cancer-induced
paraneoplastic syndromes that present with neurological symptoms and autoantibody …