From synapses to circuits, astrocytes regulate behavior

KA Lyon, NJ Allen - Frontiers in neural circuits, 2022 - frontiersin.org
Astrocytes are non-neuronal cells that regulate synapses, neuronal circuits, and behavior.
Astrocytes ensheath neuronal synapses to form the tripartite synapse where astrocytes …

The role of astrocyte structural plasticity in regulating neural circuit function and behavior

O Lawal, FP Ulloa Severino, C Eroglu - Glia, 2022 - Wiley Online Library
Brain circuits undergo substantial structural changes during development, driven by the
formation, stabilization, and elimination of synapses. Synaptic connections continue to …

Norepinephrine links astrocytic activity to regulation of cortical state

ME Reitman, V Tse, X Mi, DD Willoughby… - Nature …, 2023 - nature.com
Cortical state, defined by population-level neuronal activity patterns, determines sensory
perception. While arousal-associated neuromodulators—including norepinephrine (NE) …

Aberrant astrocyte protein secretion contributes to altered neuronal development in multiple models of neurodevelopmental disorders

ALM Caldwell, L Sancho, J Deng, A Bosworth… - Nature …, 2022 - nature.com
Astrocytes negatively impact neuronal development in many models of neurodevelopmental
disorders (NDs); however, how they do this, and if mechanisms are shared across disorders …

[HTML][HTML] δ-Catenin controls astrocyte morphogenesis via layer-specific astrocyte–neuron cadherin interactions

CX Tan, DS Bindu, EJ Hardin, K Sakers… - Journal of Cell …, 2023 - rupress.org
Astrocytes control the formation of specific synaptic circuits via cell adhesion and secreted
molecules. Astrocyte synaptogenic functions are dependent on the establishment of their …

Astrocytes in selective vulnerability to neurodegenerative disease

TS Zimmer, AL Orr, AG Orr - Trends in neurosciences, 2024 - cell.com
Selective vulnerability of specific brain regions and cell populations is a hallmark of
neurodegenerative disorders. Mechanisms of selective vulnerability involve neuronal …

Disease-relevant upregulation of P2Y1 receptor in astrocytes enhances neuronal excitability via IGFBP2

E Shigetomi, H Suzuki, YJ Hirayama, F Sano… - Nature …, 2024 - nature.com
Reactive astrocytes play a pivotal role in the pathogenesis of neurological diseases;
however, their functional phenotype and the downstream molecules by which they modify …

Foundations and implications of astrocyte heterogeneity during brain development and disease

AL Schober, LE Wicki-Stordeur, KK Murai… - Trends in …, 2022 - cell.com
Astrocytes play crucial roles in regulating brain circuit formation and physiology. Recent
technological advances have revealed unprecedented levels of astrocyte diversity …

Astrocyte Regulation of Synapse Formation, Maturation, and Elimination

WS Chung, KT Baldwin… - Cold Spring Harbor …, 2024 - cshperspectives.cshlp.org
Astrocytes play an integral role in the development, maturation, and refinement of neuronal
circuits. Astrocytes secrete proteins and lipids that instruct the formation of new synapses …

Astrocyte heterogeneity and interactions with local neural circuits

MG Holt - Essays in Biochemistry, 2023 - portlandpress.com
Astrocytes are ubiquitous within the central nervous system (CNS). These cells possess
many individual processes which extend out into the neuropil, where they interact with a …