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Updated: Jul 10, 2026

Morphological and Functional Evaluation of Axons and their Synapses during Axon Death in Drosophila melanogaster
Published on: March 16, 2020
Axon & dendrite degeneration: its mechanisms and protective experimental paradigms
Tatsuro Koike1, Yi Yang, Kazuhiko Suzuki
1Molecular Neurobiology Laboratory, Division of Life Science, Graduate School of Life Science, Hokkaido University, North Ward N10 W8, Sapporo 060-0810, Japan. koike@sci.hokudai.ac.jp
Abstract:
Accumulating evidence suggests that axon and dendrite (or neurite) degeneration both in vivo and in vitro requires self-destructive programs independent of cell death programs to segregate neurite degeneration from cell soma demise. This review will deal with the mechanisms of neurite degeneration caused by several experimental paradigms including trophic factor deprivation and Wallerian degeneration as well as those under pathological conditions. The involvement of autophagy and mitochondrial dysfunction is emphasized in these mechanisms. The mechanisms through which protective agents including the Wld(s) protein rescue neurites from degeneration or fail to do so will be discussed.
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