Immediate early genes, memory and psychiatric disorders: focus on c-Fos, Egr1 and Arc

FT Gallo, C Katche, JF Morici, JH Medina… - Frontiers in behavioral …, 2018 - frontiersin.org
Many psychiatric disorders, despite their specific characteristics, share deficits in the
cognitive domain including executive functions, emotional control and memory. However …

Role of immediate-early genes in synaptic plasticity and neuronal ensembles underlying the memory trace

K Minatohara, M Akiyoshi, H Okuno - Frontiers in molecular …, 2016 - frontiersin.org
In the brain, neuronal gene expression is dynamically changed in response to neuronal
activity. In particular, the expression of immediate-early genes (IEGs) such as egr-1, c-fos …

Sex differences in hippocampal cognition and neurogenesis

S Yagi, LAM Galea - Neuropsychopharmacology, 2019 - nature.com
Sex differences are reported in hippocampal plasticity, cognition, and in a number of
disorders that target the integrity of the hippocampus. For example, meta-analyses reveal …

[HTML][HTML] Functionally distinct neuronal ensembles within the memory engram

X Sun, MJ Bernstein, M Meng, S Rao, AT Sørensen… - Cell, 2020 - cell.com
Memories are believed to be encoded by sparse ensembles of neurons in the brain.
However, it remains unclear whether there is functional heterogeneity within individual …

Arc in synaptic plasticity: from gene to behavior

E Korb, S Finkbeiner - Trends in neurosciences, 2011 - cell.com
The activity-regulated cytoskeletal (Arc) gene encodes a protein that is critical for memory
consolidation. Arc is one of the most tightly regulated molecules known: neuronal activity …

Epigenetic regulation of memory formation and maintenance

IB Zovkic, MC Guzman-Karlsson… - Learning & …, 2013 - learnmem.cshlp.org
Understanding the cellular and molecular mechanisms underlying the formation and
maintenance of memories is a central goal of the neuroscience community. It is well …

Reactivation of neural ensembles during the retrieval of recent and remote memory

KK Tayler, KZ Tanaka, LG Reijmers, BJ Wiltgen - Current Biology, 2013 - cell.com
Background Episodic memories are encoded within hippocampal and neocortical circuits.
Retrieving these memories is assumed to involve reactivation of neural ensembles that were …

AMPA receptor trafficking and the mechanisms underlying synaptic plasticity and cognitive aging

JM Henley, KA Wilkinson - Dialogues in clinical neuroscience, 2013 - Taylor & Francis
Even in healthy individuals there is an inexorable agerelated decline in cognitive function.
This is due, in large part, to reduced synaptic plasticity caused by changes in the molecular …

Npas4 regulates a transcriptional program in CA3 required for contextual memory formation

K Ramamoorthi, R Fropf, GM Belfort, HL Fitzmaurice… - Science, 2011 - science.org
The rapid encoding of contextual memory requires the CA3 region of the hippocampus, but
the necessary genetic pathways remain unclear. We found that the activity-dependent …

G9a/GLP histone lysine dimethyltransferase complex activity in the hippocampus and the entorhinal cortex is required for gene activation and silencing during memory …

S Gupta-Agarwal, AV Franklin, T DeRamus… - Journal of …, 2012 - Soc Neuroscience
Learning triggers alterations in gene transcription in brain regions such as the hippocampus
and the entorhinal cortex (EC) that are necessary for long-term memory (LTM) formation …