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Updated: Jun 27, 2026

Measuring Synaptic Vesicle Endocytosis in Cultured Hippocampal Neurons

Measuring Synaptic Vesicle Endocytosis in Cultured Hippocampal Neurons

Published on: September 4, 2017

Imaging phluorin-based probes at hippocampal synapses.

Stephen J Royle¹, Björn Granseth, Benjamin Odermatt

¹School of Biomedical Sciences, University of Liverpool, Liverpool, UK.

Methods in Molecular Biology (Clifton, N.J.)

|December 11, 2008

Summary

Researchers developed methods to visualize synaptic vesicle recycling in real-time using pHluorin probes in cultured hippocampal neurons. This technique allows detailed study of synaptic transmission and vesicle recycling mechanisms.

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Area of Science:

Neuroscience
Cell Biology
Molecular Biology

Background:

Understanding synaptic transmission requires accurate measurement of synaptic vesicle exocytosis and endocytosis.
pH-sensitive green fluorescent protein (pHluorin) fusion to synaptic vesicle proteins enables real-time monitoring of vesicle recycling.

Purpose of the Study:

To describe methods for culturing and transfecting hippocampal neurons.
To detail the imaging and analysis of pHluorin-based probes for studying synaptic vesicle recycling.
To enable the investigation of molecules involved in synaptic vesicle recycling using molecular interference techniques like RNAi.

Main Methods:

Culture and transfection of hippocampal neurons.
Imaging of synaptopHluorin and sypHy probes at neuronal synapses.

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Last Updated: Jun 27, 2026

Measuring Synaptic Vesicle Endocytosis in Cultured Hippocampal Neurons

Measuring Synaptic Vesicle Endocytosis in Cultured Hippocampal Neurons

Published on: September 4, 2017

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Analysis of pHluorin signals at the resolution of individual synaptic vesicles.

Integration with molecular interference techniques (e.g., RNAi).

Main Results:

Demonstration of real-time imaging of synaptic vesicle recycling.
High-resolution analysis of pHluorin signals.
Establishment of a framework for studying molecules affecting synaptic vesicle recycling.

Conclusions:

The described methods provide a powerful tool for investigating the molecular mechanisms of synaptic transmission.
Real-time imaging of synaptic vesicle dynamics is achievable with pHluorin probes.
This approach facilitates the study of synaptic plasticity and neurological disorders.