Abstract:
:Anderson Fabry disease is an X-linked lysosomal storage disorder caused by alpha-galactosidase A deficiency. Hemizygous males and some heterozygous females develop renal failure and cardiovascular complications in early adult life. We have investigated six large UK families to assess the possible linkage of five polymorphic DNA probes to the Anderson Fabry locus, previously localised to Xq21-24. No recombination was found between Anderson Fabry disease and DXS87, DXS88 and DXS17, which gave lodmax = 6.4, 6.4 and 5.8 respectively at theta = 0.10, (upper confidence limit 0.10). DXS3 gave lodmax 2.9 at theta = 0.10 (upper confidence limit 0.25). DXYS1 was excluded from linkage. The best fit map (DXYS1/DXS3) theta = 0.192 (DXS17/DXS87/DXS88/Anderson Fabry locus) provided no information about the order of loci in parentheses due to the absence of recombinants. The close linkage of DXS17, DXS87 and DXS88, together with alpha-galactosidase A estimation, can be used for antenatal diagnosis and carrier detection until the application of a gene specific probe has been evaluated.
journal_name
Hum Genetjournal_title
Human geneticsauthors
MacDermot KD,Morgan SH,Cheshire JK,Wilson TMdoi
10.1007/BF00284482subject
Has Abstractpub_date
1987-11-01 00:00:00pages
263-6issue
3eissn
0340-6717issn
1432-1203journal_volume
77pub_type
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