Astrocyte-neuron metabolic cooperation shapes brain activity

G Bonvento, JP Bolaños - Cell metabolism, 2021 - cell.com
The brain has almost no energy reserve, but its activity coordinates organismal function, a
burden that requires precise coupling between neurotransmission and energy metabolism …

A conceptual framework for astrocyte function

C Murphy-Royal, SN Ching, T Papouin - Nature neuroscience, 2023 - nature.com
The participation of astrocytes in brain computation was hypothesized in 1992, coinciding
with the discovery that these cells display a form of intracellular Ca2+ signaling sensitive to …

Global waves synchronize the brain's functional systems with fluctuating arousal

RV Raut, AZ Snyder, A Mitra, D Yellin, N Fujii… - Science …, 2021 - science.org
We propose and empirically support a parsimonious account of intrinsic, brain-wide
spatiotemporal organization arising from traveling waves linked to arousal. We hypothesize …

Adenosine signalling to astrocytes coordinates brain metabolism and function

SM Theparambil, O Kopach, A Braga, S Nizari… - Nature, 2024 - nature.com
Brain computation performed by billions of nerve cells relies on a sufficient and
uninterrupted nutrient and oxygen supply,. Astrocytes, the ubiquitous glial neighbours of …

Oligodendrocyte–axon metabolic coupling is mediated by extracellular K+ and maintains axonal health

ZJ Looser, Z Faik, L Ravotto, HS Zanker, RB Jung… - Nature …, 2024 - nature.com
The integrity of myelinated axons relies on homeostatic support from oligodendrocytes
(OLs). To determine how OLs detect axonal spiking and how rapid axon–OL metabolic …

Decoupling astrocytes in adult mice impairs synaptic plasticity and spatial learning

L Hösli, N Binini, KD Ferrari, L Thieren, ZJ Looser… - Cell reports, 2022 - cell.com
The mechanisms by which astrocytes modulate neural homeostasis, synaptic plasticity, and
memory are still poorly explored. Astrocytes form large intercellular networks by gap junction …

A high-throughput multiparameter screen for accelerated development and optimization of soluble genetically encoded fluorescent biosensors

D Koveal, PC Rosen, DJ Meyer… - Nature …, 2022 - nature.com
Genetically encoded fluorescent biosensors are powerful tools used to track chemical
processes in intact biological systems. However, the development and optimization of …

[HTML][HTML] Direct vascular contact is a hallmark of cerebral astrocytes

L Hösli, M Zuend, G Bredell, HS Zanker… - Cell reports, 2022 - cell.com
Astrocytes establish extensive networks via gap junctions that allow each astrocyte to
connect indirectly to the vasculature. However, the proportion of astrocytes directly …

Lactate biosensors for spectrally and spatially multiplexed fluorescence imaging

Y Nasu, A Aggarwal, GNT Le, CT Vo, Y Kambe… - Nature …, 2023 - nature.com
Abstract l-Lactate is increasingly appreciated as a key metabolite and signaling molecule in
mammals. However, investigations of the inter-and intra-cellular dynamics of l-lactate are …

Lactate supply overtakes glucose when neural computational and cognitive loads scale up

Y Dembitskaya, C Piette, S Perez… - Proceedings of the …, 2022 - National Acad Sciences
Neural computational power is determined by neuroenergetics, but how and which energy
substrates are allocated to various forms of memory engram is unclear. To solve this …