Mechanistic description
Axon initial segment (AIS) infrastructure provides additional regulatory context that consolidates MAP-established domains; in fibroblasts, domains are less stable without this architectural support
Prediction: Transplanting AIS components into fibroblasts will produce more robust and long-lasting tau/MAP6 domain segregation
Evidence for (5)
Autism-associated ANK2 regulates embryonic neurodevelopment.
A Mutation in the ANK2 Gene Causing ASD and a Review of the Literature.
Self-limited familial focal epilepsy caused by ANK2 variants: A potentially under-recognized condition.
Roles of ANK2/ankyrin-B in neurodevelopmental disorders: Isoform functions and implications for autism spectrum disorder and epilepsy.
ANK2 loss-of-function variants are associated with epilepsy, and lead to impaired axon initial segment plasticity and hyperactive network activity in hiPSC-derived neuronal networks.
Evidence against (2)
Ankyrin-G and AIS organization depend on many binding partners, making ANK2-only domain stabilization an incomplete model of neuronal compartment maintenance.
AIS abnormalities are emphasized in neurodevelopmental disorders, so evidence for direct neurodegenerative therapeutic relevance is indirect.
Bayesian persona consensus
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