Protein SUMOylation is a sex-specific regulator of fear memory formation in the amygdala

A Gustin, S Navabpour, K Farrell, K Martin… - Behavioural brain …, 2022 - Elsevier
Strong evidence has implicated ubiquitin signaling in the process of fear memory formation.
While less abundant than ubiquitination, evidence suggests that protein SUMOylation may …

Males and females differ in the regulation and engagement of, but not requirement for, protein degradation in the amygdala during fear memory formation

R Devulapalli, N Jones, K Farrell, M Musaus… - Neurobiology of learning …, 2021 - Elsevier
Over the last decade, strong evidence has emerged that protein degradation mediated by
the ubiquitin-proteasome system is critical for fear memory formation in the amygdala …

Sex-specific linear polyubiquitination is a critical regulator of contextual fear memory formation

M Musaus, K Farrell, S Navabpour, WK Ray… - Frontiers in Behavioral …, 2021 - frontiersin.org
Strong evidence supports that protein ubiquitination is a critical regulator of fear memory
formation. However, as this work has focused on protein degradation, it is currently unknown …

Proteomic analysis reveals sex-specific protein degradation targets in the amygdala during fear memory formation

K Farrell, M Musaus, S Navabpour, K Martin… - Frontiers in Molecular …, 2021 - frontiersin.org
Ubiquitin-proteasome mediated protein degradation has been widely implicated in fear
memory formation in the amygdala. However, to date, the protein targets of the proteasome …

Sex-differences in proteasome-dependent K48-polyubiquitin signaling in the amygdala are developmentally regulated in rats

K Farrell, A Auerbach, C Liu, K Martin, M Pareno… - Biology of sex …, 2023 - Springer
Background Sex differences have been observed in several brain regions for the molecular
mechanisms involved in baseline (resting) and memory-related processes. The ubiquitin …

Activity dependent protein degradation is critical for the formation and stability of fear memory in the amygdala

TJ Jarome, CT Werner, JL Kwapis, FJ Helmstetter - PloS one, 2011 - journals.plos.org
Protein degradation through the ubiquitin-proteasome system [UPS] plays a critical role in
some forms of synaptic plasticity. However, its role in memory formation in the amygdala, a …

Proteasome-independent K63 polyubiquitination selectively regulates ATP levels and proteasome activity during fear memory formation in the female amygdala

K Farrell, M Musaus, A Auerbach, S Navabpour… - Molecular …, 2023 - nature.com
Females are more likely than males to develop post-traumatic stress disorder (PTSD).
However, the neurobiological mechanisms responsible for these sex differences remain …

Distinct subcellular changes in proteasome activity and linkage-specific protein polyubiquitination in the amygdala during the consolidation and reconsolidation of a …

SA Orsi, RK Devulapalli, JL Nelsen, T McFadden… - Neurobiology of learning …, 2019 - Elsevier
Numerous studies have supported a critical role for the ubiquitin-proteasome system (UPS)
in the memory consolidation and reconsolidation processes. The protein targets and …

Memory formation for trace fear conditioning requires ubiquitin-proteasome mediated protein degradation in the prefrontal cortex

DS Reis, TJ Jarome, FJ Helmstetter - Frontiers in behavioral …, 2013 - frontiersin.org
The cellular mechanisms supporting plasticity during memory consolidation have been a
subject of considerable interest. De novo protein and mRNA synthesis in several brain areas …

Stress-induced resistance to fear memory destabilization is associated with an impairment of Lys-48-linked protein polyubiquitination in the Basolateral Amygdala …

PJ Espejo, V Ortiz, ID Martijena, VA Molina - Neurobiology of Learning and …, 2021 - Elsevier
The destabilization/reconsolidation process can be triggered by memory recall, allowing
consolidated memories to be modified. We have previously reported that stress prior to fear …