Brain glucose metabolism: integration of energetics with function

GA Dienel - Physiological reviews, 2019 - journals.physiology.org
Glucose is the long-established, obligatory fuel for brain that fulfills many critical functions,
including ATP production, oxidative stress management, and synthesis of neurotransmitters …

Sugar for the brain: the role of glucose in physiological and pathological brain function

P Mergenthaler, U Lindauer, GA Dienel… - Trends in neurosciences, 2013 - cell.com
The mammalian brain depends upon glucose as its main source of energy, and tight
regulation of glucose metabolism is critical for brain physiology. Consistent with its critical …

Resveratrol and brain mitochondria: a review

FR Jardim, FT de Rossi, MX Nascimento… - Molecular …, 2018 - Springer
Abstract Resveratrol (3, 4', 5-trihydroxystilbene; C 14 H 12 O 3) is a polyphenolic phytoalexin
found in grapes, berries, peanuts, and wines. Resveratrol has been viewed as an …

[HTML][HTML] Lifestyle and nutritional imbalances associated with Western diseases: causes and consequences of chronic systemic low-grade inflammation in an …

B Ruiz-Núñez, L Pruimboom, DAJ Dijck-Brouwer… - The Journal of nutritional …, 2013 - Elsevier
In this review, we focus on lifestyle changes, especially dietary habits, that are at the basis of
chronic systemic low grade inflammation, insulin resistance and Western diseases. Our …

[HTML][HTML] Astrocytic glycogen metabolism in the healthy and diseased brain

LK Bak, AB Walls, A Schousboe… - Journal of Biological …, 2018 - ASBMB
The brain contains a fairly low amount of glycogen, mostly located in astrocytes, a fact that
has prompted the suggestion that glycogen does not have a significant physiological role in …

An information-theoretic perspective on the costs of cognition

A Zenon, O Solopchuk, G Pezzulo - Neuropsychologia, 2019 - Elsevier
In statistics and machine learning, model accuracy is traded off with complexity, which can
be viewed as the amount of information extracted from the data. Here, we discuss how …

Astrocytic Gq-GPCR-linked IP3R-dependent Ca2+ signaling does not mediate neurovascular coupling in mouse visual cortex in vivo

DE Bonder, KD McCarthy - Journal of Neuroscience, 2014 - Soc Neuroscience
Local blood flow is modulated in response to changing patterns of neuronal activity, a
process termed neurovascular coupling. It has been proposed that the central cellular …

Lack of appropriate stoichiometry: Strong evidence against an energetically important astrocyte–neuron lactate shuttle in brain

GA Dienel - Journal of Neuroscience Research, 2017 - Wiley Online Library
Glutamate‐stimulated aerobic glycolysis in astrocytes coupled with lactate shuttling to
neurons where it can be oxidized was proposed as a mechanism to couple excitatory …

Aerobic glycolysis during brain activation: adrenergic regulation and influence of norepinephrine on astrocytic metabolism

GA Dienel, NF Cruz - Journal of neurochemistry, 2016 - Wiley Online Library
Aerobic glycolysis occurs during brain activation and is characterized by preferential up‐
regulation of glucose utilization compared with oxygen consumption even though oxygen …

Astrocytes in stress accumulate lipid droplets

T Smolič, P Tavčar, A Horvat, U Černe… - Glia, 2021 - Wiley Online Library
When the brain is in a pathological state, the content of lipid droplets (LDs), the lipid storage
organelles, is increased, particularly in glial cells, but rarely in neurons. The biology and …