Charcot-Marie-Tooth Disease, Axonal, Autosomal Recessive, Type 2a2b, also known as charcot-marie-tooth disease, axonal, type 2a2b, is related to charcot-marie-tooth disease type 2a2b. An important gene associated with Charcot-Marie-Tooth Disease, Axonal, Autosomal Recessive, Type 2a2b is MFN2 (Mitofusin 2). Affiliated tissues include peripheral nerve, and related phenotypes are respiratory insufficiency due to muscle weakness and difficulty walking