Multifaceted mitochondria: moving mitochondrial science beyond function and dysfunction

AS Monzel, JA Enríquez, M Picard - Nature metabolism, 2023 - nature.com
Mitochondria have cell-type specific phenotypes, perform dozens of interconnected
functions and undergo dynamic and often reversible physiological recalibrations. Given their …

[PDF][PDF] 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 …

[HTML][HTML] Fatty acid oxidation organizes mitochondrial supercomplexes to sustain astrocytic ROS and cognition

B Morant-Ferrando, D Jimenez-Blasco… - Nature …, 2023 - nature.com
Having direct access to brain vasculature, astrocytes can take up available blood nutrients
and metabolize them to fulfil their own energy needs and deliver metabolic intermediates to …

A fluorescent sensor for spatiotemporally resolved imaging of endocannabinoid dynamics in vivo

A Dong, K He, B Dudok, JS Farrell, W Guan… - Nature …, 2022 - nature.com
Endocannabinoids (eCBs) are retrograde neuromodulators with important functions in a
wide range of physiological processes, but their in vivo dynamics remain largely …

[HTML][HTML] Biological functions and regulatory mechanisms of hypoxia-inducible factor-1α in ischemic stroke

Q He, Y Ma, J Liu, D Zhang, J Ren, R Zhao… - Frontiers in …, 2021 - frontiersin.org
Ischemic stroke is caused by insufficient cerebrovascular blood and oxygen supply. It is a
major contributor to death or disability worldwide and has become a heavy societal and …

[HTML][HTML] CB1 cannabinoid receptor signaling and biased signaling

LM Leo, ME Abood - Molecules, 2021 - mdpi.com
The CB1 cannabinoid receptor is a G-protein coupled receptor highly expressed throughout
the central nervous system that is a promising target for the treatment of various disorders …

Lactate is an energy substrate for rodent cortical neurons and enhances their firing activity

A Karagiannis, T Gallopin, A Lacroix, F Plaisier… - Elife, 2021 - elifesciences.org
Glucose is the mandatory fuel for the brain, yet the relative contribution of glucose and
lactate for neuronal energy metabolism is unclear. We found that increased lactate, but not …

Metabolic recruitment in brain tissue

LF Barros, I Ruminot, T Sotelo-Hitschfeld… - Annual Review of …, 2023 - annualreviews.org
Information processing imposes urgent metabolic demands on neurons, which have
negligible energy stores and restricted access to fuel. Here, we discuss metabolic …

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 …

[HTML][HTML] Axonal energy metabolism, and the effects in aging and neurodegenerative diseases

S Yang, JH Park, HC Lu - Molecular neurodegeneration, 2023 - Springer
Human studies consistently identify bioenergetic maladaptations in brains upon aging and
neurodegenerative disorders of aging (NDAs), such as Alzheimer's disease, Parkinson's …