Table 2.

HSAN Individuals Screened for KIF1A Mutations

Type	Inheritance	Unrelated Individuals
HSANI/HSANIB/CMT2B	AD	28
HSANII	AR	23
HSANIII	AR	2
HSANIV	AR	4
HSANV	AR	1
HSAN with spastic paraplegia and/or pyramidal-tract signs	AR	7
Unspecified	unknown	47
Total		112

Inclusion criteria: unrelated patients with clinical features belonging to the clinical spectrum of ulcero-mutilating sensory neuropathies. 62 patients were negative for mutations in the HSN2 exon of WNK1 and for mutations in SPTLC1, RAB7, WNK1, NTRK1, NGFB, and CCT5.¹⁷ Abbreviations are as follows: CMT2B, Charcot-Marie-Tooth neuropathy type 2B; AD, autosomal dominant; AR, autosomal recessive.