Abstract
Glaucomatous optic neuropathy is characterized by degeneration of retinal ganglion cell (RGC) axons and RGC death. Recent studies have suggested that glaucoma is a multifactorial disease that involves several molecular mechanisms. RGCs have long axons that provide spatial separation between the cell body and synapses. This anatomical structure has allowed us to use tracer injections to study axonal transport in RGCs. Increased intraocular pressure has been demonstrated to induce disturbances in axonal transport of tracers in RGCs. On the other hand, neurotrophic factors, particularly brain-derived neurotrophic factor (BDNF), have been demonstrated to support the survival of damaged RGCs in vitro and in vivo. Therefore, disturbances in retrograde axonal transport of BDNF may be associated with RGC death in glaucomatous optic neuropathy. Here we summarize the current understanding of axonal transport and BDNF in glaucomatous optic neuropathy. In addition, we introduce our approach to glaucomatous optic neuropathy, live imaging of axonal transport in RGCs, which may lead to the prediction of RGC death in glaucoma patients.
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Takihara, Y., Inatani, M. (2014). Axonal Transport. In: Nakazawa, T., Kitaoka, Y., Harada, T. (eds) Neuroprotection and Neuroregeneration for Retinal Diseases. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54965-9_10
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DOI: https://doi.org/10.1007/978-4-431-54965-9_10
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