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Numrering	Referens	Omslagsbild	Hitta
1.	Bondeson, Marie-Louise, et al. (författare) Inversion of the IDS gene resulting from recombination with IDS-related sequences is a common cause of the Hunter syndrome 1995 Ingår i: Human Molecular Genetics. - 0964-6906 .- 1460-2083. ; 4:4, s. 615-621 Tidskriftsartikel (refereegranskat)abstract We have recently described the identification of a second IDS locus (IDS-2) located within 90 kb telomeric of the IDS gene (Bondeson et al. submitted). Here, we show that this region is involved in a recombination event with the IDS gene in about 13% of patients with the Hunter syndrome. Analysis of the resulting rearrangement at the molecular level showed that these patients have suffered a recombination event that results in a disruption of the IDS gene in intron 7 with an inversion of the intervening DNA. Interestingly, all of the six cases with a similar type of rearrangement showed recombination between intron 7 of the IDS gene and sequences close to exon 3 at the IDS-2 locus implying that these regions are hot spots for recombination. Analysis by nucleotide sequencing showed that the inversion is caused by recombination between homologous sequences present in the IDS gene and the IDS-2 locus. No detectable deletions or insertions were observed as a result of the recombination event. The results in this study have practical implications for diagnosis of the Hunter syndrome.

Bondeson, Marie-Louise, et al. (författare)
Inversion of the IDS gene resulting from recombination with IDS-related sequences is a common cause of the Hunter syndrome
1995
Ingår i: Human Molecular Genetics. - 0964-6906 .- 1460-2083. ; 4:4, s. 615-621
Tidskriftsartikel (refereegranskat)abstract
- We have recently described the identification of a second IDS locus (IDS-2) located within 90 kb telomeric of the IDS gene (Bondeson et al. submitted). Here, we show that this region is involved in a recombination event with the IDS gene in about 13% of patients with the Hunter syndrome. Analysis of the resulting rearrangement at the molecular level showed that these patients have suffered a recombination event that results in a disruption of the IDS gene in intron 7 with an inversion of the intervening DNA. Interestingly, all of the six cases with a similar type of rearrangement showed recombination between intron 7 of the IDS gene and sequences close to exon 3 at the IDS-2 locus implying that these regions are hot spots for recombination. Analysis by nucleotide sequencing showed that the inversion is caused by recombination between homologous sequences present in the IDS gene and the IDS-2 locus. No detectable deletions or insertions were observed as a result of the recombination event. The results in this study have practical implications for diagnosis of the Hunter syndrome.

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