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Mapping Metabolism: Monitoring Lactate Dehydrogenase Activity Directly in Tissue
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Illuminating lactate in cells, mice, and patient samples
1Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, VA 22908, USA; Center for Membrane and Cell Physiology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA.
Cell Metabolism
|January 4, 2023
Summary
Researchers developed a high-quality lactate sensor to track lactate levels in cells, organelles, live mice, and human body fluids. This tool advances understanding of lactate
Area of Science:
- Biochemistry
- Cell Biology
- Metabolic Research
Background:
- Lactate is increasingly recognized as a crucial metabolic fuel.
- Lactate also plays a significant role as a signaling molecule in biological systems.
Purpose of the Study:
- To develop a novel, high-quality sensor for accurately measuring lactate levels.
- To enable real-time monitoring of lactate dynamics across various biological contexts.
Main Methods:
- Development of a specialized lactate sensor with high fidelity.
- Application of the sensor in diverse biological samples including cellular and subcellular compartments.
- In vivo monitoring in live mouse models.
- Analysis of human body fluids.
Main Results:
- The developed sensor provides reliable measurements of lactate concentrations.
- Successful monitoring of lactate in cells, subcellular organelles, and live animals.
- Demonstrated utility in analyzing lactate in human body fluids.
Conclusions:
- The new lactate sensor is a valuable tool for metabolic research.
- Enables unprecedented insights into lactate's role in physiology and disease.
- Facilitates further investigation into lactate metabolism and signaling pathways.
