Efficient strategy for the detection of mutations in acrogeric Ehlers-danlos syndrome type IV
β Scribed by P. H. Johnson; A. J. Richards; J. C. Lloyd; F. M. Pope; D. A. Hopkinson
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 668 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1059-7794
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β¦ Synopsis
cDNA encoding the C-terminal domain (nt2283 to 3714) of type 111 collagen was amplified by PCR in five overlapping products and examined for mutations in 13 patients with Ehlers-Danlos syndrome type 1V (EDS 1V) with uncharacterised lesions and in five control patients with known single base mutations. Six different point mutations were detected by denaturing gradient gel electrophoresis (DGGE), in addition to thase in the known controls. Four of seven patients who had no point mutations in this region were shown to lack complete exons from their amplified cDNA. Mutations were detected in all patients with typical or acrogeric EDS IV, but only in one of four individuals with the atypical form of the disease. (b 1995 w i y & s s , be.
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## Communicated by k e r n Peltonen A single-base mutation in intron 37 of the gene for type 111 procollagen (COL3A1) was found in a proband with the type IV variant of Ehlers-Danlos syndrome. Probeeprotection experiments with S 1 nuclease and RNA from fibroblasts incubated at 37Β°C demonstrated th