Variants in the KIF1A gene have been described in patients with AR hereditary sensory and autonomic neuropathy type 2 (HSAN2, OMIM #614213) and subtype 30 of the hereditary spastic paraplegia (SPG30, OMIM #610357) [20–23]. This evidence concerns the gene WNK1 and hereditary sensory and autonomic neuropathy type 2.