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High throughput analysis of endogenous glutamate release using a fluorescence plate reader
Alistair T R Sim1, Lynn Herd, Dustin T Proctor
1School of Biomedical Sciences and Hunter Medical Research Institute, The University of Newcastle, Callaghan, NSW, Australia. Alistair.sim@newcastle.edu.au
Journal of Neuroscience Methods
|November 19, 2005
Summary
A new microplate assay offers a faster, more efficient way to measure endogenous glutamate release. This high-throughput method improves experimental design and data comparison for neurotransmitter research.
Area of Science:
- Neuroscience
- Biochemistry
Background:
- Discoveries in exocytosis and neurotransmitter release necessitate improved monitoring methods.
- Existing enzyme-linked fluorescence detection for glutamate release is limited by low throughput and large sample volumes.
Purpose of the Study:
- To develop a high-throughput microplate version of the enzyme-linked fluorescence detection assay for measuring endogenous glutamate release.
- To compare the performance of the microplate assay with traditional cuvette-based methods.
Main Methods:
- Utilized glutamate dehydrogenase and the reduction of NADP to NADPH for fluorescence detection.
- Adapted the assay for a microplate format to increase sample capacity.
Main Results:
- The microplate assay demonstrated comparable performance to the cuvette-based assay.
- The microplate assay significantly increased the number of samples measurable per run.
Conclusions:
- The high-throughput microplate assay provides a more efficient and capable method for monitoring glutamate release.
- This advancement facilitates improved experimental design, higher throughput, and better comparative analysis in neurotransmitter research.