Germline WT1 mutations in Wilms' tumor patients: Preliminary results
1996
We conducted a comparative study of the prevalence of germline WT1 mutations in patients with Wilms' tumor. Patients in Group 1 have familial Wilms' tumor, bilateral disease, associated urogenital anomalies, and/or second cancers. Those in Group 2 are unilateral, sporadic Wilms' patients without other associated conditions. Patients with aniridia or Denys-Drash syndrome are known to have WT1 alterations, and are excluded from this study. Preliminary results on 96 subjects show that the overall germline WT1 mutation frequency is low (<5%). The work to date establishes the feasibility of identifying patients with germline WT1 mutations and, in the future, offering genetic predisposition testing to at-risk relatives. However, genetic predisposition testing of children for WT1 mutations raises many ethical, legal, and psychosocial issues; research is needed to evaluate risks and benefits. © 1996 Wiley-Liss, Inc.
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