Structural LTP: from synaptogenesis to regulated synapse enlargement and clustering

KM Harris - Current opinion in neurobiology, 2020 - Elsevier
Highlights•Structural LTP produces opposite effects at synapses on immature versus adult
dendrites.•Local subcellular compartments mediate synaptogenesis at P15 and synapse …

Cytoskeletal makeup of the synapse: Shaft versus spine

M Bucher, T Fanutza, M Mikhaylova - Cytoskeleton, 2020 - Wiley Online Library
The ability of neurons to communicate and store information depends on the activity of
synapses which can be located on small protrusions (dendritic spines) or directly on the …

Endoplasmic reticulum visits highly active spines and prevents runaway potentiation of synapses

A Perez-Alvarez, S Yin, C Schulze, JA Hammer… - Nature …, 2020 - nature.com
In hippocampal pyramidal cells, a small subset of dendritic spines contain endoplasmic
reticulum (ER). In large spines, ER frequently forms a spine apparatus, while smaller spines …

miR‐124‐dependent tagging of synapses by synaptopodin enables input‐specific homeostatic plasticity

S Dubes, A Soula, S Benquet, B Tessier… - The EMBO …, 2022 - embopress.org
Homeostatic synaptic plasticity is a process by which neurons adjust their synaptic strength
to compensate for perturbations in neuronal activity. Whether the highly diverse synapses on …

All-trans retinoic acid induces synaptic plasticity in human cortical neurons

M Lenz, P Kruse, A Eichler, J Straehle, J Beck, T Deller… - elife, 2021 - elifesciences.org
A defining feature of the brain is the ability of its synaptic contacts to adapt structurally and
functionally in an experience-dependent manner. In the human cortex, however, direct …

Proximity proteomics of synaptopodin provides insight into the molecular composition of the spine apparatus of dendritic spines

H Falahati, Y Wu, V Feuerer… - Proceedings of the …, 2022 - National Acad Sciences
The spine apparatus is a specialized compartment of the neuronal smooth endoplasmic
reticulum (ER) located in a subset of dendritic spines. It consists of stacks of ER cisterns that …

Caldendrin and myosin V regulate synaptic spine apparatus localization via ER stabilization in dendritic spines

A Konietzny, J Grendel, A Kadek, M Bucher… - The EMBO …, 2022 - embopress.org
Excitatory synapses of principal hippocampal neurons are frequently located on dendritic
spines. The dynamic strengthening or weakening of individual inputs results in structural …

Amyloid-beta mediates homeostatic synaptic plasticity

C Galanis, M Fellenz, D Becker, C Bold… - Journal of …, 2021 - Soc Neuroscience
The physiological role of the amyloid-precursor protein (APP) is insufficiently understood.
Recent work has implicated APP in the regulation of synaptic plasticity. Substantial evidence …

Activity-dependent regulation of mitochondrial motility in developing cortical dendrites

CAP Silva, A Yalnizyan-Carson, MV Fernández Busch… - Elife, 2021 - elifesciences.org
Developing neurons form synapses at a high rate. Synaptic transmission is very energy-
demanding and likely requires ATP production by mitochondria nearby. Mitochondria might …

High levels of 27-hydroxycholesterol results in synaptic plasticity alterations in the hippocampus

R Loera-Valencia, E Vazquez-Juarez, A Muñoz… - Scientific Reports, 2021 - nature.com
Alterations in brain cholesterol homeostasis in midlife are correlated with a higher risk of
developing Alzheimer's disease (AD). However, global cholesterol-lowering therapies have …