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. 2018 May 29;9:382. doi: 10.3389/fneur.2018.00382

Figure 2.

Figure 2

Hypothesis on axon misguidance in mossy fiber sprouting. It has been previously proposed that the cellular process of mossy fiber sprouting consists of the 3-step axon guidance model (23): step 1, branching; step 2, reverse projection; and step 3, fasciculation. Several possible molecules such as BDNF and netrin receptors have been suggested to be involved in each step.