Glucose Starvation
Glucose Starvation - Related Videos
11:53
Derivation of Highly Purified Cardiomyocytes from Human Induced Pluripotent Stem Cells Using Small Molecule-modulated Differentiation and Subsequent Glucose Starvation
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Cited by 113 •
2015
Here, we describe a robust protocol for human cardiomyocyte derivation that combines small molecule-modulated cardiac differentiation and glucose deprivation-mediated cardiomyocyte purification, enabling production of purified cardiomyocytes for the purposes of cardiovascular disease modeling and drug screening.
06:51
Analysis of Autophagy in Penicillium chrysogenum by Using Starvation Pads in Combination With Fluorescence Microscopy
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Cited by 2 •
2015
A convenient and powerful method for studying autophagy in Penicillium chrysogenum by using starvation pads (mixtures of agarose and tap water in a microscope slide containing a central cavity) is presented here.
09:24
An Anoxia-starvation Model for Ischemia/Reperfusion in C. elegans
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Cited by 4 •
2014
A protocol is described that uses anoxia/starvation in C. elegans to model ischemia/reperfusion. Functional outcomes include increased mortality, visible abnormalities in GFP-labeled neuronal processes, and impaired behavioral responses that require neuronal function.
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.
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.
FAQs
When glucose becomes scarce, glycolytic flux declines, so less ATP is generated through this pathway and the cell’s energy charge falls. This energetic shift changes cellular priorities: energy-intensive activities are suppressed, while pathways that can support energy balance or recycle cellular resources become more important. The result is metabolic remodeling rather than a single uniform response.
Reduced energy availability activates nutrient-sensing responses such as AMP-activated protein kinase signaling. This response helps the cell recognize that energy production no longer matches demand and supports a shift away from energy-intensive processes. In biochemistry, the pathway provides a mechanistic link between falling energy charge and broader changes in cellular metabolism.
Cells do not respond identically because the available metabolic options depend on cell type and environmental conditions. One system may favor fatty-acid oxidation, whereas another may rely more on autophagy or gluconeogenesis. These differences determine whether nutrient stress primarily reshapes energy production, recycles cellular material, or supports biosynthetic needs.
These pathways provide different strategies for coping with limited glucose. Fatty-acid oxidation can support energy production, autophagy can recycle cellular components, and gluconeogenesis can generate glucose when the cell or organism has the capacity to do so. Their relative contribution depends on biological context, making them useful indicators of metabolic adaptation.
Biochemical studies can examine how glucose scarcity affects cell growth, survival, and gene regulation alongside metabolic remodeling. Reduced energy availability may suppress energy-intensive activities while changing nutrient-sensing responses and alternative pathway use. Assessing these outcomes connects changes in metabolism with the broader behavior of cells under nutrient stress.
Glucose scarcity provides a model for studying how cells respond when a major nutrient becomes limiting. In tumor biology and metabolic disorders, this framework helps investigators examine altered energy production, nutrient-sensing responses, and survival strategies. The resulting biochemical context can clarify how metabolic remodeling contributes to disease-relevant cellular states.