Structural LTP: Signal transduction, actin cytoskeleton reorganization, and membrane remodeling of dendritic spines

Y Yang, JJ Liu - Current Opinion in Neurobiology, 2022 - Elsevier
Induction of long-term synaptic potentiation (LTP) in excitatory neurons triggers a transient
enlargement of dendritic spines followed by decay to sustained size expansion, a process …

Reconsidering an active role for G-actin in cytoskeletal regulation

K Skruber, TA Read, EA Vitriol - Journal of cell science, 2018 - journals.biologists.com
ABSTRACT Globular (G)-actin, the actin monomer, assembles into polarized filaments that
form networks that can provide structural support, generate force and organize the cell …

Arp2/3 and Mena/VASP require profilin 1 for actin network assembly at the leading edge

K Skruber, PV Warp, R Shklyarov, JD Thomas… - Current Biology, 2020 - cell.com
Cells have many types of actin structures, which must assemble from a common monomer
pool. Yet, it remains poorly understood how monomers are distributed to and shared …

Regulation of actin dynamics in dendritic spines: Nanostructure, molecular mobility, and signaling mechanisms

S Okabe - Molecular and Cellular Neuroscience, 2020 - Elsevier
Dendritic spines are major sites of excitatory synaptic connection in pyramidal neurons of
the forebrain, and their functional regulation underlies the development of functional …

Molecular basis for substrate specificity of the Phactr1/PP1 phosphatase holoenzyme

RO Fedoryshchak, M Přechová, AM Butler, R Lee… - Elife, 2020 - elifesciences.org
PPP-family phosphatases such as PP1 have little intrinsic specificity. Cofactors can target
PP1 to substrates or subcellular locations, but it remains unclear how they might confer …

[HTML][HTML] Glycerophospholipids–Emerging players in neuronal dendrite branching and outgrowth

AB Ziegler, G Tavosanis - Developmental biology, 2019 - Elsevier
Dendrites are the input compartment of the neuron, receiving and integrating incoming
information. Dendritic trees are often highly complex and branched. Their branch extension …

Tropomodulin isoform-specific regulation of dendrite development and synapse formation

OF Omotade, Y Rui, W Lei, K Yu… - Journal of …, 2018 - Soc Neuroscience
Neurons of the CNS elaborate highly branched dendritic arbors that host numerous dendritic
spines, which serve as the postsynaptic platform for most excitatory synapses. The actin …

Evidence for altered phosphoinositide signaling-associated molecules in the postmortem prefrontal cortex of patients with schizophrenia

Y Kunii, J Matsumoto, R Izumi, A Nagaoka… - International journal of …, 2021 - mdpi.com
Phosphoinositides (PIs) play important roles in the structure and function of the brain.
Associations between PIs and the pathophysiology of schizophrenia have been studied …

From seconds to days: Neural plasticity viewed through a lipid lens

JP Vaughen, E Theisen, TR Clandinin - Current Opinion in Neurobiology, 2023 - Elsevier
Many adult neurons are dynamically remodeled across timescales ranging from the rapid
addition and removal of specific synaptic connections, to largescale structural plasticity …

Shootin1a-mediated actin-adhesion coupling generates force to trigger structural plasticity of dendritic spines

RF Kastian, T Minegishi, K Baba, T Saneyoshi… - Cell Reports, 2021 - cell.com
Dendritic spines constitute the major compartments of excitatory post-synapses. They
undergo activity-dependent enlargement, which is thought to increase the synaptic efficacy …