A simple method for imaging axonal transport in aging neurons using the adult Drosophila wing.

A simple method for imaging axonal transport in aging neurons using the adult Drosophila wing.
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DOI:
10.1038/nprot.2016.112
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发表时间:
2016-09
期刊:
影响因子:
14.8
通讯作者:
Bullock, Simon L.
Bullock, Simon L.
中科院分区:
生物学1区
文献类型:
--
作者:
Vagnoni, Alessio;Bullock, Simon L.

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There is growing interest in the link between axonal cargo transport and age-associated neuronal dysfunction. Studying axonal transport in neurons of adult animals requires intravital or ex vivo imaging approaches, which are laborious and expensive in vertebrate models. We describe simple, non-invasive procedures for imaging cargo motility within axons using sensory neurons of the translucent Drosophila wing. A key aspect is a method for mounting the intact fly that allows detailed imaging of transport in wing neurons. Coupled with existing genetic tools in Drosophila, this is a tractable system for studying axonal transport over the lifespan of an animal and thus for characterising the relationship between cargo dynamics, neuronal ageing and disease. Preparation of a sample for imaging takes approximately 5 minutes, with transport typically filmed for 2–3 minutes per wing. We also document procedures for quantifying transport parameters from the acquired images and describe how the protocol can be adapted to study other cell biological processes in ageing neurons.
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