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Mutation in the regulatory region of the EDA gene coincides with the symptoms of anhidrotic ectodermal dysplasia

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Kobielak K., Kobielak A., Limon J., Trzeciak W. H.

Acta Biochimica Polonica

1998

tom 45

nr 1

We have investigated a fragment of the regulatory region of the EDA gene in a patient with clinical symptoms of anhidrotic ectodermal dysplasia (EDA), whose DNA sequence of exon 1 was normal. The single-strand conformation polymorphism (SSCP) analysis of PCR-amplified fragments of the regulatory region of the EDA gene suggested a mutation localized within the fragment extending from nucleotide -571 to -182 upstream of the 5' end of the cDNA. Sequence analysis of this fragment documented an additional adenine in position -452, located 32 nucleotides upstream from the response element HK-1, a target for transcription factor LEF-1, involved in the differentiation of tissues of ectodermal and mesodermal origin. We postulate that this mutation might interfere with the transcription process of the EDA gene and might be responsible, at least in part, for the clinical symptoms of anhidrotic ectodermal dysplasia.

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1 Acta Biochimica Polonica

1 Kobielak A.

1 Kobielak K.

1 Limon J.

1 Trzeciak W. H.

1 1998

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Mutation in the regulatory region of the EDA gene coincides with the symptoms of anhidrotic ectodermal dysplasia