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J Med Genet. 1995 January; 32(1): 52–56.
PMCID: PMC1050180

A frameshift mutation in the gene for PAX3 in a girl with spina bifida and mild signs of Waardenburg syndrome.

Abstract

Neural tube defects (NTD) are among the most prevalent congenital malformations in man. Based on the molecular defect of Splotch, an established mouse model for NTD, and on the clinical association between NTD and Waardenburg syndrome (WS), mutations in the PAX3 gene can be expected to act as factors predisposing to human NTD. To test this hypothesis, 39 patients with familial NTD were screened by SSC analysis for mutations in exons 2 to 6 of the human PAX3 gene. One patient with lumbosacral meningomyelocele was identified with a 5 bp deletion in exon 5 approximately 55 bp upstream of the conserved homeodomain. The deletion causes a frameshift with a stop codon almost immediately after the mutated site. Clinical investigation of the index patient indicated mild signs of WS type I. Varying signs of this syndrome were found to cosegregate with the mutation in the family. Our results support the hypothesis that mutations in the gene for PAX3 can predispose to NTD, but also show that, in general, mutations within or near the conserved domains of the PAX3 protein are only very infrequently involved in familial NTD.

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Selected References

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  • Copp AJ, Brook FA, Estibeiro JP, Shum AS, Cockroft DL. The embryonic development of mammalian neural tube defects. Prog Neurobiol. 1990;35(5):363–403. [PubMed]
  • Chatkupt S, Lucek PR, Koenigsberger MR, Johnson WG. Parental sex effect in spina bifida: a role for genomic imprinting? Am J Med Genet. 1992 Nov 1;44(4):508–512. [PubMed]
  • Mariman EC, Hamel BC. Sex ratios of affected and transmitting members of multiple case families with neural tube defects. J Med Genet. 1992 Oct;29(10):695–698. [PMC free article] [PubMed]
  • Hol FA, Geurds MP, Jensson O, Hamel BC, Moore GE, Newton R, Mariman EC. Exclusion mapping of the gene for X-linked neural tube defects in an Icelandic family. Hum Genet. 1994 Apr;93(4):452–456. [PubMed]
  • Epstein DJ, Vekemans M, Gros P. Splotch (Sp2H), a mutation affecting development of the mouse neural tube, shows a deletion within the paired homeodomain of Pax-3. Cell. 1991 Nov 15;67(4):767–774. [PubMed]
  • Moase CE, Trasler DG. Splotch locus mouse mutants: models for neural tube defects and Waardenburg syndrome type I in humans. J Med Genet. 1992 Mar;29(3):145–151. [PMC free article] [PubMed]
  • Estibeiro JP, Brook FA, Copp AJ. Interaction between splotch (Sp) and curly tail (ct) mouse mutants in the embryonic development of neural tube defects. Development. 1993 Sep;119(1):113–121. [PubMed]
  • Tassabehji M, Read AP, Newton VE, Harris R, Balling R, Gruss P, Strachan T. Waardenburg's syndrome patients have mutations in the human homologue of the Pax-3 paired box gene. Nature. 1992 Feb 13;355(6361):635–636. [PubMed]
  • Baldwin CT, Hoth CF, Amos JA, da-Silva EO, Milunsky A. An exonic mutation in the HuP2 paired domain gene causes Waardenburg's syndrome. Nature. 1992 Feb 13;355(6361):637–638. [PubMed]
  • Morell R, Friedman TB, Asher JH., Jr A plus-one frameshift mutation in PAX3 alters the entire deduced amino acid sequence of the paired box in a Waardenburg syndrome type 1 (WS1) family. Hum Mol Genet. 1993 Sep;2(9):1487–1488. [PubMed]
  • Tassabehji M, Read AP, Newton VE, Patton M, Gruss P, Harris R, Strachan T. Mutations in the PAX3 gene causing Waardenburg syndrome type 1 and type 2. Nat Genet. 1993 Jan;3(1):26–30. [PubMed]
  • Hoth CF, Milunsky A, Lipsky N, Sheffer R, Clarren SK, Baldwin CT. Mutations in the paired domain of the human PAX3 gene cause Klein-Waardenburg syndrome (WS-III) as well as Waardenburg syndrome type I (WS-I). Am J Hum Genet. 1993 Mar;52(3):455–462. [PubMed]
  • Morell R, Friedman TB, Moeljopawiro S, Hartono, Soewito, Asher JH., Jr A frameshift mutation in the HuP2 paired domain of the probable human homolog of murine Pax-3 is responsible for Waardenburg syndrome type 1 in an Indonesian family. Hum Mol Genet. 1992 Jul;1(4):243–247. [PubMed]
  • Butt J, Greenberg J, Winship I, Sellars S, Beighton P, Ramesar R. A splice junction mutation in PAX3 causes Waardenburg syndrome in a South African family. Hum Mol Genet. 1994 Jan;3(1):197–198. [PubMed]
  • de Saxe M, Kromberg JG, Jenkins T. Waardenburg syndrome in South Africa. Part I. An evaluation of the clinical findings in 11 families. S Afr Med J. 1984 Aug 18;66(7):256–261. [PubMed]
  • Narod SA, Siegel-Bartelt J, Hoffman HJ. Cerebellar infarction in a patient with Waardenburg syndrome. Am J Med Genet. 1988 Dec;31(4):903–907. [PubMed]
  • da-Silva EO. Waardenburg I syndrome: a clinical and genetic study of two large Brazilian kindreds, and literature review. Am J Med Genet. 1991 Jul 1;40(1):65–74. [PubMed]
  • Carezani-Gavin M, Clarren SK, Steege T. Waardenburg syndrome associated with meningomyelocele. Am J Med Genet. 1992 Jan 1;42(1):135–136. [PubMed]
  • Begleiter ML, Harris DJ. Waardenburg syndrome and meningocele. Am J Med Genet. 1992 Nov 1;44(4):541–541. [PubMed]
  • Chatkupt S, Chatkupt S, Johnson WG. Waardenburg syndrome and myelomeningocele in a family. J Med Genet. 1993 Jan;30(1):83–84. [PMC free article] [PubMed]
  • Moline ML, Sandlin C. Waardenburg syndrome and meningomyelocele. Am J Med Genet. 1993 Aug 1;47(1):126–126. [PubMed]
  • Miller SA, Dykes DD, Polesky HF. A simple salting out procedure for extracting DNA from human nucleated cells. Nucleic Acids Res. 1988 Feb 11;16(3):1215–1215. [PMC free article] [PubMed]
  • Burri M, Tromvoukis Y, Bopp D, Frigerio G, Noll M. Conservation of the paired domain in metazoans and its structure in three isolated human genes. EMBO J. 1989 Apr;8(4):1183–1190. [PubMed]
  • Chalepakis G, Stoykova A, Wijnholds J, Tremblay P, Gruss P. Pax: gene regulators in the developing nervous system. J Neurobiol. 1993 Oct;24(10):1367–1384. [PubMed]

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