Gene: [03p1/MITF] microphthalmia-associated transcription factor; Waardenburg syndrome, type 2A (WS2A; MIM:193510); [WS2A ]

COM

WS2A appears to be due to mutations in splice sites of the MITF gene (Tassbehji-1994, Tassbehji-1995)."

PAT

[1] The main symptoms of WS: sensorineural hearing loss, heterochromia irides, white forelock and early graying.
[2] Unlike type I WS, WS2 shows no dystopia canthorum or facial dysmorphism and does not show linkage to 2q35 or mutation in the PAX3 gene (GEM:02q36/PAX3)."

REL

GEM:01p/WS2B.

REF

LIN,MUT "Hughes AE &: Nature Genet, 7, 509-512, 1994
PAT "Liu X-Z &: Am J Med Genet, 55, 95-100, 1995
PAT "Reynolds JE &: Am J Med Genet, 57, 540-547, 1995
EXP "Tachibana M &: Nature Genet, 14, 50-54, 1996
LOC,SEQ,EVO "Tachibana M &: Hum Mol Genet, 3, 553-557, 1994
MUT,PAT "Tassabehji M &: Hum Mol Genet, 4, 2131-2137, 1995
MUT,PAT "Tassabehji M &: Nature Genet, 8, 251-255, 1994

KEY

eye, trc, neu

CLA

coding, basic

LOC

03 p14.1-12.3

MIM

MIM: 156845

SYN

WS2A

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