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Relevant bibliographies by topics / Dendritic Spine Plasticity

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Academic literature on the topic 'Dendritic Spine Plasticity'

Author: Grafiati

Published: 11 March 2023

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Journal articles on the topic "Dendritic Spine Plasticity"

1

Power, John M., and Pankaj Sah. "Dendritic spine heterogeneity and calcium dynamics in basolateral amygdala principal neurons." Journal of Neurophysiology 112, no. 7 (2014): 1616–27. http://dx.doi.org/10.1152/jn.00770.2013.

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Glutamatergic synapses on pyramidal neurons are formed on dendritic spines where glutamate activates ionotropic receptors, and calcium influx via N-methyl-d-aspartate receptors leads to a localized rise in spine calcium that is critical for the induction of synaptic plasticity. In the basolateral amygdala, activation of metabotropic receptors is also required for synaptic plasticity and amygdala-dependent learning. Here, using acute brain slices from rats, we show that, in basolateral amygdala principal neurons, high-frequency synaptic stimulation activates metabotropic glutamate receptors and

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2

Rosado, James, Viet Duc Bui, Carola A. Haas, Jürgen Beck, Gillian Queisser, and Andreas Vlachos. "Calcium modeling of spine apparatus-containing human dendritic spines demonstrates an “all-or-nothing” communication switch between the spine head and dendrite." PLOS Computational Biology 18, no. 4 (2022): e1010069. http://dx.doi.org/10.1371/journal.pcbi.1010069.

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Dendritic spines are highly dynamic neuronal compartments that control the synaptic transmission between neurons. Spines form ultrastructural units, coupling synaptic contact sites to the dendritic shaft and often harbor a spine apparatus organelle, composed of smooth endoplasmic reticulum, which is responsible for calcium sequestration and release into the spine head and neck. The spine apparatus has recently been linked to synaptic plasticity in adult human cortical neurons. While the morphological heterogeneity of spines and their intracellular organization has been extensively demonstrated

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3

Rosado, James, Viet Duc Bui, Carola A. Haas, Jürgen Beck, Gillian Queisser, and Andreas Vlachos. "Calcium modeling of spine apparatus-containing human dendritic spines demonstrates an “all-or-nothing” communication switch between the spine head and dendrite." PLOS Computational Biology 18, no. 4 (2022): e1010069. http://dx.doi.org/10.1371/journal.pcbi.1010069.

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Abstract:

Dendritic spines are highly dynamic neuronal compartments that control the synaptic transmission between neurons. Spines form ultrastructural units, coupling synaptic contact sites to the dendritic shaft and often harbor a spine apparatus organelle, composed of smooth endoplasmic reticulum, which is responsible for calcium sequestration and release into the spine head and neck. The spine apparatus has recently been linked to synaptic plasticity in adult human cortical neurons. While the morphological heterogeneity of spines and their intracellular organization has been extensively demonstrated

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4

Lee, Kevin F. H., Cary Soares, and Jean-Claude Béïque. "Examining Form and Function of Dendritic Spines." Neural Plasticity 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/704103.

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The majority of fast excitatory synaptic transmission in the central nervous system takes place at protrusions along dendrites called spines. Dendritic spines are highly heterogeneous, both morphologically and functionally. Not surprisingly, there has been much speculation and debate on the relationship between spine structure and function. The advent of multi-photon laser-scanning microscopy has greatly improved our ability to investigate the dynamic interplay between spine form and function. Regulated structural changes occur at spines undergoing plasticity, offering a mechanism to account f

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5

Bloodgood, Brenda L., and Bernardo L. Sabatini. "Neuronal Activity Regulates Diffusion Across the Neck of Dendritic Spines." Science 310, no. 5749 (2005): 866–69. http://dx.doi.org/10.1126/science.1114816.

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In mammalian excitatory neurons, dendritic spines are separated from dendrites by thin necks. Diffusion across the neck limits the chemical and electrical isolation of each spine. We found that spine/dendrite diffusional coupling is heterogeneous and uncovered a class of diffusionally isolated spines. The barrier to diffusion posed by the neck and the number of diffusionally isolated spines is bidirectionally regulated by neuronal activity. Furthermore, coincident synaptic activation and postsynaptic action potentials rapidly restrict diffusion across the neck. The regulation of diffusional co

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6

Calabrese, Barbara, Margaret S. Wilson, and Shelley Halpain. "Development and Regulation of Dendritic Spine Synapses." Physiology 21, no. 1 (2006): 38–47. http://dx.doi.org/10.1152/physiol.00042.2005.

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Dendritic spines are small protrusions from neuronal dendrites that form the postsynaptic component of most excitatory synapses in the brain. They play critical roles in synaptic transmission and plasticity. Recent advances in imaging and molecular technologies reveal that spines are complex, dynamic structures that contain a dense array of cytoskeletal, transmembrane, and scaffolding molecules. Several neurological and psychiatric disorders exhibit dendritic spine abnormalities.

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7

Yu, Wendou, and Bingwei Lu. "Synapses and Dendritic Spines as Pathogenic Targets in Alzheimer’s Disease." Neural Plasticity 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/247150.

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Synapses are sites of cell-cell contacts that transmit electrical or chemical signals in the brain. Dendritic spines are protrusions on dendritic shaft where excitatory synapses are located. Synapses and dendritic spines are dynamic structures whose plasticity is thought to underlie learning and memory. No wonder neurobiologists are intensively studying mechanisms governing the structural and functional plasticity of synapses and dendritic spines in an effort to understand and eventually treat neurological disorders manifesting learning and memory deficits. One of the best-studied brain disord

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8

Khanal, Pushpa, and Pirta Hotulainen. "Dendritic Spine Initiation in Brain Development, Learning and Diseases and Impact of BAR-Domain Proteins." Cells 10, no. 9 (2021): 2392. http://dx.doi.org/10.3390/cells10092392.

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Dendritic spines are small, bulbous protrusions along neuronal dendrites where most of the excitatory synapses are located. Dendritic spine density in normal human brain increases rapidly before and after birth achieving the highest density around 2–8 years. Density decreases during adolescence, reaching a stable level in adulthood. The changes in dendritic spines are considered structural correlates for synaptic plasticity as well as the basis of experience-dependent remodeling of neuronal circuits. Alterations in spine density correspond to aberrant brain function observed in various neurode

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9

Roszkowska, Matylda, Anna Skupien, Tomasz Wójtowicz, et al. "CD44: a novel synaptic cell adhesion molecule regulating structural and functional plasticity of dendritic spines." Molecular Biology of the Cell 27, no. 25 (2016): 4055–66. http://dx.doi.org/10.1091/mbc.e16-06-0423.

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Synaptic cell adhesion molecules regulate signal transduction, synaptic function, and plasticity. However, their role in neuronal interactions with the extracellular matrix (ECM) is not well understood. Here we report that the CD44, a transmembrane receptor for hyaluronan, modulates synaptic plasticity. High-resolution ultrastructural analysis showed that CD44 was localized at mature synapses in the adult brain. The reduced expression of CD44 affected the synaptic excitatory transmission of primary hippocampal neurons, simultaneously modifying dendritic spine shape. The frequency of miniature

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10

Dittmer, Philip J., Mark L. Dell’Acqua, and William A. Sather. "Synaptic crosstalk conferred by a zone of differentially regulated Ca2+ signaling in the dendritic shaft adjoining a potentiated spine." Proceedings of the National Academy of Sciences 116, no. 27 (2019): 13611–20. http://dx.doi.org/10.1073/pnas.1902461116.

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Patterns of postsynaptic activity that induce long-term potentiation of fast excitatory transmission at glutamatergic synapses between hippocampal neurons cause enlargement of the dendritic spine and promote growth in spine endoplasmic reticulum (ER) content. Such postsynaptic activity patterns also impact Ca2+ signaling in the adjoining dendritic shaft, in a zone centered on the spine–shaft junction and extending ∼10–20 µm in either direction along the shaft. Comparing this specialized zone in the shaft with the dendrite in general, plasticity-inducing stimulation of a single spine causes mor

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