Glucose Metabolism
Glucose Metabolism - Related Videos
06:59
Characterization of Metabolic Status in Nonhuman Primates with the Intravenous Glucose Tolerance Test
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Cited by 7 •
2016
The goal of this protocol is to present a standard method to perform intravenous glucose tolerance tests (IVGTTs) to assess glycemic control in nonhuman primates and assess their metabolic status from healthy to dysmetabolic.
04:11
Assessing Glucose Uptake in the Motor Neurons of Drosophila Larvae with Upregulated Glucose Metabolism
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2025
The video demonstrates a technique for measuring glucose uptake in Drosophila larval motor neurons using a fluorescence resonance energy transfer (FRET)-based intracellular glucose sensor. After dissecting the larvae to expose the ventral nerve cord, the motor neurons are visualized through the fluorescence emitted by the sensor's donor fluorophore. When stimulated with glucose, FRET between the sensor's donor and acceptor fluorophores triggers the emission of fluorescence from the acceptor,...
02:23
Oral Glucose Tolerance Test (OGTT): Measuring Glucose Metabolism in Mice
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2023
This video introduces how to perform an oral glucose tolerance test on a laboratory mouse.
07:07
Determining Glucose Metabolism Kinetics Using 18F-FDG Micro-PET/CT
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Cited by 15 •
2017
This study describes a protocol that uses 18F-FDG and positron emission tomography/computed tomography (PET/CT) imaging, together with kinetic modelling, to quantify the in vivo, real-time uptake of 18F-FDG into tissues.
05:52
In Vitro Glucose Depletion Assay: A Fluorescence-Based Method to Quantify Cellular Glucose Uptake via Extracellular Glucose Depletion Measurement
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2025
This video demonstrates an in vitro assay to indirectly measure intracellular glucose uptake. The assay uses a fluorescently-labeled glucose analog to establish a correlation between extracellular glucose depletion and intracellular glucose uptake.
FAQs
Glycolysis converts glucose into pyruvate, which can follow different metabolic roles within the cell. It may enter the tricarboxylic acid cycle and oxidative phosphorylation, linking glucose breakdown to ATP production, or contribute to the pool of metabolic intermediates used in biosynthetic reactions. This branching allows glucose metabolism to support both immediate energy needs and cellular construction.
ATP generated through glucose metabolism helps neurons and glial cells sustain ion gradients across their membranes and support synaptic signaling. These functions require continuous cellular energy, so glucose-derived ATP connects biochemical activity with communication and electrical stability in nervous tissue. Disturbances in energy availability can therefore affect processes that depend on maintained gradients and signaling capacity.
Glucose metabolism does more than generate ATP because its pathways also provide carbon for biosynthetic reactions. Intermediates formed during glucose breakdown can therefore contribute to the production of cellular components while metabolism continues to supply energy. This dual role is important when cells must coordinate maintenance, growth, and specialized functions rather than directing all glucose-derived material toward ATP formation.
Brain development depends on cellular activity that requires both energy and metabolic building materials. Because glucose pathways provide ATP as well as carbon for biosynthetic reactions, changes in glucose utilization may influence developing neural cells. Studying these patterns helps researchers examine how energy metabolism relates to developmental processes without treating glucose solely as a fuel source.
Examining glucose utilization can reveal whether altered energy metabolism accompanies or contributes to processes associated with neurodegenerative disease. In neuroscience, this approach connects cellular metabolic pathways with the capacity of neurons and glial cells to maintain ion gradients and synaptic signaling. The resulting context helps relate metabolic changes to broader changes in brain function.
Injury can make the relationship between energy supply and neural function especially important. Glucose metabolism provides a framework for examining how altered energy pathways may affect ATP availability, ion-gradient maintenance, synaptic signaling, and biosynthetic support after damage. Researchers can use this context to investigate metabolic responses and their relevance to nervous-system recovery or dysfunction.