Ann Clin Biochem 2008;45:606-609
doi:10.1258/acb.2008.008038
© 2008 Association for Clinical Biochemistry
Three cases of congenital adrenal hypoplasia with novel mutations in the (NROB1) DAX-1 gene
B Wheeler1,
P M George2,
K MacKenzie1,
P Hunt3,
H C Potter2 and
C M Florkowski2
1 Paediatric Endocrinology, Department of Paediatrics, Christchurch Hospital;
2 Clinical Biochemistry, Canterbury Health Laboratories;
3 Department of Endocrinology, Christchurch Hospital, Canterbury, New Zealand

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Figure 1 Top panel, showing hemizygous TAA sequence at codon 64 in index case 1 resulting in a premature stop codon, compared with wild-type TAC sequence (bottom panel) coding for normal tyrosine and heterozygous sequence (middle panel) from the carrier mother
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Figure 2 The 51 bp deletion from index Case 2 shown (nt 1068_1118) predicts an in-frame deletion of 17 amino acids (residues 279–295)
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Figure 3 The 8 bp deletion from index Case 3 shown (nt 1181_1188), results in a frame-shift, with a substitution of leucine for methionine at position 316 and the translation of 60 novel amino acids before truncation
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