HEPES
Company: Sigma-Aldrich
Catalog#: H4034
Product evaluation:
Fluorescent Measurement of Synaptic Activity Using FM Dyes in Dissociated Hippocampal Cultured Neurons
Author:
Date:
2018-01-20
[Abstract]  Release and recycling of synaptic vesicles are essential for neurotransmission and synaptic plasticity. To gain mechanistic understanding of these processes, direct measurements of vesicle release and retrieval is indispensable. Styryl dyes like FM1-43 and FM4-64 have been widely used for this purpose and their loading and unloading are reliable measurements for synaptic vesicle release and retrieval in cultured neurons. This protocol describes in detail the procedure of using styryl dyes to ...

Mutant Huntingtin Secretion in Neuro2A Cells and Rat Primary Cortical Neurons
Author:
Date:
2018-01-05
[Abstract]  Quantitative analysis of proteins secreted from the cells poses a challenge due to their low abundance and the interfering presence of a large amount of bovine serum albumin (BSA) in the cell culture media. We established assays for detection of mutant huntingtin (mHtt) secreted from Neuro2A cell line stably expressing mHtt and rat primary cortical neurons by Western blotting. Our protocol is based on reducing the amounts of BSA in the media while maintaining cell viability and secretory ...

Live Imaging of Axonal Transport in the Motor Neurons of Drosophila Larvae
Author:
Date:
2017-12-05
[Abstract]  Axonal transport, which is composed of microtubules, motor proteins and a variety of types of cargo, is a prominent feature of neurons. Monitoring these molecular dynamics is important to understand the biological processes of neurons as well as neurodegenerative disorders that are associated with axonal dysfunction. Here, we describe a protocol for monitoring the axonal transport of motor neurons in Drosophila larvae using inverted fluorescence microscopy.

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