Glutamatergic dysfunction and synaptic ultrastructural alterations in schizophrenia and autism spectrum disorder: Evidence from human and rodent studies

A Eltokhi, A Santuy, A Merchan-Perez… - International journal of …, 2020 - mdpi.com
The correlation between dysfunction in the glutamatergic system and neuropsychiatric
disorders, including schizophrenia and autism spectrum disorder, is undisputed. Both …

Genetic mechanisms underlying the evolution of connectivity in the human cortex

ERE Schmidt, F Polleux - Frontiers in Neural Circuits, 2022 - frontiersin.org
One of the most salient features defining modern humans is our remarkable cognitive
capacity, which is unrivaled by any other species. Although we still lack a complete …

A large-scale nanoscopy and biochemistry analysis of postsynaptic dendritic spines

MS Helm, TM Dankovich, S Mandad, B Rammner… - Nature …, 2021 - nature.com
Dendritic spines, the postsynaptic compartments of excitatory neurotransmission, have
different shapes classified from 'stubby'to 'mushroom-like'. Whereas mushroom spines are …

A spike-timing-dependent plasticity rule for dendritic spines

S Tazerart, DE Mitchell, S Miranda-Rottmann… - Nature …, 2020 - nature.com
The structural organization of excitatory inputs supporting spike-timing-dependent plasticity
(STDP) remains unknown. We performed a spine STDP protocol using two-photon (2P) …

Targeted intracellular voltage recordings from dendritic spines using quantum-dot-coated nanopipettes

K Jayant, JJ Hirtz, IJL Plante, DM Tsai… - Nature …, 2017 - nature.com
Dendritic spines are the primary site of excitatory synaptic input onto neurons, and are
biochemically isolated from the parent dendritic shaft by their thin neck. However, due to the …

Dendritic spines prevent synaptic voltage clamp

L Beaulieu-Laroche, MT Harnett - Neuron, 2018 - cell.com
Synapses are the fundamental units of information processing in the mammalian brain.
Much of our understanding of their functional properties comes from voltage-clamp analysis …

[HTML][HTML] Two-photon uncaging of bioactive compounds: Starter guide to an efficient IR light switch

M Klausen, M Blanchard-Desce - Journal of Photochemistry and …, 2021 - Elsevier
Triggering physiological responses with a light switch has become a reality with the
development of smart molecular probes such as photolabile protecting groups (PPGs), able …

Study of the size and shape of synapses in the juvenile rat somatosensory cortex with 3D electron microscopy

A Santuy, JR Rodríguez, J DeFelipe, A Merchán-Pérez - Eneuro, 2018 - eneuro.org
Abstract Changes in the size of the synaptic junction are thought to have significant
functional consequences. We used focused ion beam milling and scanning electron …

Selective activation of BK channels in small‐headed dendritic spines suppresses excitatory postsynaptic potentials

S Tazerart, MG Blanchard… - The Journal of …, 2022 - Wiley Online Library
Dendritic spines are the main receptacles of excitatory information in the brain. Their
particular morphology, with a small head connected to the dendrite by a slender neck, has …

Human Purkinje cells outperform mouse Purkinje cells in dendritic complexity and computational capacity

S Masoli, D Sanchez-Ponce, N Vrieler… - Communications …, 2024 - nature.com
Purkinje cells in the cerebellum are among the largest neurons in the brain and have been
extensively investigated in rodents. However, their morphological and physiological …