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. 2020 Nov 13;14:594975. doi: 10.3389/fncel.2020.594975

Figure 1.

Figure 1

Proteins are encoded by amyotrophic lateral sclerosis (ALS)-related genes affecting cytoskeletal dynamics. ALS2 is mainly implicated in the regulation of endosomal dynamics and it is also found at the growth cone of neurons where it promotes neurite outgrowth. Dynactin Subunit 1 (DCTN1) is involved in microtubules (MTs) anterograde and retrograde transport.Neurofilament light (NF-L), neurofilament heavy (NF-H), andperipherin (PRPH) are the main components of motor neuron (MN) intermediate filaments (IFs). Kinesin family member 5A (KIF5A) encodes a kinesin protein which mainly mediates anterograde transport along MTs. Profilin 1 (PFN1) is involved in the polymerization of actin filaments. Spastin (SPAST) is involved in MTs disassembly and therefore plays a key role in regulating MTs dynamics. Tubulin alpha 4a (TUBA4A) encodes for an α-tubulin subunit which is assembled within the MT filaments.