Charcot-Marie-Tooth Disease, Axonal, Type 2b2, also known as charcot-marie-tooth disease type 2b2, is related to sensory peripheral neuropathy and hereditary sensory neuropathy. An important gene associated with Charcot-Marie-Tooth Disease, Axonal, Type 2b2 is PNKP (Polynucleotide Kinase 3'-Phosphatase), and among its related pathways/superpathways are DNA damage_NHEJ mechanisms of DSBs repair and Intracellular trafficking proteins involved in CMT neuropathy. Affiliated tissues include eye, and related phenotypes are areflexia and hyporeflexia