Nanoscale analysis of structural synaptic plasticity

JN Bourne, KM Harris - Current opinion in neurobiology, 2012 - Elsevier
Structural plasticity of dendritic spines and synapses is an essential mechanism to sustain
long lasting changes in the brain with learning and experience. The use of electron …

Dynamics of nascent and active zone ultrastructure as synapses enlarge during long‐term potentiation in mature hippocampus

ME Bell, JN Bourne, MA Chirillo… - Journal of …, 2014 - Wiley Online Library
Nascent zones and active zones are adjacent synaptic regions that share a postsynaptic
density, but nascent zones lack the presynaptic vesicles found at active zones. Here …

Quantum dots provide an optical signal specific to full collapse fusion of synaptic vesicles

Q Zhang, YQ Cao, RW Tsien - Proceedings of the National …, 2007 - National Acad Sciences
Synaptic vesicles are responsible for releasing neurotransmitters and are thus essential to
brain function. The classical mode of vesicle recycling includes full collapse of the vesicle …

Tomosyn affects dense core vesicle composition but not exocytosis in mammalian neurons

A Subkhangulova, MA Gonzalez-Lozano, AJA Groffen… - Elife, 2023 - elifesciences.org
Tomosyn is a large, non-canonical SNARE protein proposed to act as an inhibitor of SNARE
complex formation in the exocytosis of secretory vesicles. In the brain, tomosyn inhibits the …

Neural plasticity and memory: molecular mechanism

Z Amtul - Reviews in the Neurosciences, 2015 - degruyter.com
Deciphering the cellular and molecular mechanisms of memory has been an important topic
encompassing the learning and memory domain besides the neurodegenerative disorders …

[HTML][HTML] The morphology and biochemistry of nanostructures provide evidence for synthesis and signaling functions in human cerebrospinal fluid

MG Harrington, AN Fonteh, E Oborina, P Liao… - Cerebrospinal fluid …, 2009 - Springer
Background Cerebrospinal fluid (CSF) contacts many brain regions and may mediate
humoral signaling distinct from synaptic neurotransmission. However, synthesis and …

[HTML][HTML] Pleomorphic linkers as ubiquitous structural organizers of vesicles in axons

N Schrod, D Vanhecke, U Laugks, V Stein, Y Fukuda… - PloS one, 2018 - journals.plos.org
Many cellular processes depend on a precise structural organization of molecular
components. Here, we established that neurons grown in culture provide a suitable system …

Are unreliable release mechanisms conserved from NMJ to CNS?

TB Tarr, M Dittrich, SD Meriney - Trends in neurosciences, 2013 - cell.com
The frog neuromuscular junction (NMJ) is a strong and reliable synapse because, during
activation, sufficient neurotransmitter is released to trigger a postsynaptic action potential …

[HTML][HTML] Nanoscale remodeling of functional synaptic vesicle pools in Hebbian plasticity

S Rey, V Marra, C Smith, K Staras - Cell Reports, 2020 - cell.com
Vesicle pool properties are known determinants of synaptic efficacy, but their potential role
as modifiable substrates in forms of Hebbian plasticity is still unclear. Here, we investigate …

[HTML][HTML] Microtubule-associated protein 1B (MAP1B)-deficient neurons show structural presynaptic deficiencies in vitro and altered presynaptic physiology

FJ Bodaleo, C Montenegro-Venegas, DR Henríquez… - Scientific reports, 2016 - nature.com
Microtubule-associated protein 1B (MAP1B) is expressed predominantly during the early
stages of development of the nervous system, where it regulates processes such as axonal …