Current preclinical models fail to capture the mechanics of oligodendrocyte myelination. Lasli et al.1 now demonstrate that the mechanical compliance of the axonal niche is a key determinant of oligodendrocyte maturation. By developing a platform that mimics the extreme mechanical softness of the central nervous system, they reveal myelination as a mechanically gated process as much as a biochemically regulated one.
Marco Fritzsche (2026) studied this question.
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