Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: KEGG:D01423 (IPD)
 299 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The purpose of this study is to profile the clinical and genetic features of Japanese Waardenburg syndrome (WS) patients and validate the W index. Sixteen Japanese WS families with congenital sensorineural hearing loss were included in the study. The inner canthal, interpupillary, and outer canthal distances (ICD, IPD, and OCD) were measured for all patients, and patients were screened for presence of PAX3, MITF, SOX10, and EDNRB mutations. The WS patients were clinically classified under the current W index as follows: 13 families with WS1, 2 families with WS2, and 1 family with WS4. In the 13 WS1 families, genetic tests found PAX3 mutations in 5 families, MITF mutations in 4 families, SOX10 mutations in 3 families, and EDNRB mutations in 1 family. 61% of clinically classified WS1 patients under the current W index conflicted with the genetic classification, which implies W index is not appropriate for Japanese population. Resetting the threshold of W index or novel index formulated with ethnicity matched samples is necessary for clinical classification which is consistent with genetic classification for WS patients with distinct ethnicity.
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PMID:A clinical and genetic study of 16 Japanese families with Waardenburg syndrome. 3097 79