Rac1 signaling in microglia is essential for synaptic proteome plasticity and experience-dependent cognitive performance

R Socodato, TO Almeida, CC Portugal, ECS Santos… - bioRxiv, 2021 - biorxiv.org
Microglial homeostatic functions are fundamental to regulate the central nervous system
microenvironment. We use conditional cell-specific gene targeting, RNA-seq profiling, high …

[PDF][PDF] Microglia remodel the synaptic signaling required for context-dependent cognitive performance

R Socodato, TO Almeida, CC Portugal, ECS Santos… - bioRxiv, 2021 - biorxiv.org
Microglia modulate synaptic activity, essential for context-dependent cognitive performance,
allowing organism-level adaptations to different environmental scenarios. Yet, the microglial …

[HTML][HTML] Microglial Rac1 is essential for experience-dependent brain plasticity and cognitive performance

R Socodato, TO Almeida, CC Portugal, ECS Santos… - Cell Reports, 2023 - cell.com
Microglia, the largest population of brain immune cells, continuously interact with synapses
to maintain brain homeostasis. In this study, we use conditional cell-specific gene targeting …

[PDF][PDF] Characterization of microglial response to Environmental Enrichment: The role of the RhoGTPase Rac1

JFG Dias, V Ferreira - 2023 - repositorio-aberto.up.pt
Microglia, as the brain's foremost immune cells, play a pivotal role in maintaining brain
homeostasis through persistent interactions with their environment. In this study, we …

[HTML][HTML] Presynaptic Rac1 in the hippocampus selectively regulates working memory

J Kim, E Bustamante, P Sotonyi, ND Maxwell… - bioRxiv, 2024 - ncbi.nlm.nih.gov
One of the most extensively studied members of the Ras superfamily of small GTPases,
Rac1 is an intracellular signal transducer that remodels actin and phosphorylation signaling …

Highlight of 2023: Microglia biology

A Dashwood, A Liston - Immunology and Cell Biology, 2024 - Wiley Online Library
The field of neuroimmunology is quickly expanding and as the primary immune cell of the
brain, microglia are truly in the spotlight. In 2023, the number of microglia related articles …

RhoA balances microglial reactivity and survival during neuroinflammation

R Socodato, A Rodrigues-Santos… - Cell Death & …, 2023 - nature.com
Microglia are the largest myeloid cell population in the brain. During injury, disease, or
inflammation, microglia adopt different functional states primarily involved in restoring brain …

Microglia maintain the normal structure and function of the hippocampal astrocyte network

Y Du, FH Brennan, PG Popovich, M Zhou - Glia, 2022 - Wiley Online Library
Microglial control of activity‐dependent plasticity and synaptic remodeling in neuronal
networks has been the subject of intense research in the past several years. Although …

Disruption of a RAC1-centred protein interaction network is associated with Alzheimer's disease pathology and causes age-dependent neurodegeneration

M Kikuchi, M Sekiya, N Hara, A Miyashita, R Kuwano… - bioRxiv, 2019 - biorxiv.org
The molecular biological mechanisms of Alzheimer's disease (AD) involve disease-
associated cross-talk through many genes and include a loss of normal as well as a gain of …

Aberrant regulation of the Rap1 small GTPase in response to escalating, intermittent stress produces hippocampal synaptic and cognitive dysfunction

KJ Bjornson, AM Vanderplow, Y Yang, BA Kermath… - bioRxiv, 2023 - biorxiv.org
The effects of repeated stress on cognitive impairment are thought to be mediated, at least in
part, by reductions in the stability of dendritic spines in brain regions critical for proper …