Abstract:
:Fabry disease is an X-linked disorder caused by a deficiency of the lysosomal alpha-galactosidase A [EC 3.2.1.22]. The molecular diagnosis of Fabry disease is important for genotype/phenotype correlation, pre-natal or early diagnosis, and detection of carrier status. Although more than 200 genotypes of the alpha-galactosidase A gene have been identified, mutation data on the Chinese population is sparse. We recently identified two unrelated Chinese families with Fabry disease. Mutation analysis was performed by polymerase chain reaction (PCR) sequencing of the seven exons and adjacent introns of the alpha-galactosidase A gene. Two novel mutations were identified: in family I, a C-to-A transversion resulted in an early termination at amino acid 222 (Y222X), while in family II, an A-to-G transition resulted in a substitution of alanine for threonine at amino acid 410 (T410A). Carrier status was identified in all four females in the two families. The genotype Y222X is associated with classic Fabry disease, with unexpectedly rapid deterioration of visual acuity, while T410A is associated with a milder Fabry disease, with ventricular hypertrophy and neuropathic pain.
journal_name
Clin Genetjournal_title
Clinical geneticsauthors
Yang CC,Lai LW,Whitehair O,Hwu WL,Chiang SC,Lien YHdoi
10.1034/j.1399-0004.2003.00050.xsubject
Has Abstractpub_date
2003-03-01 00:00:00pages
205-9issue
3eissn
0009-9163issn
1399-0004pii
050journal_volume
63pub_type
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journal_title:Clinical genetics
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pub_type: 杂志文章,评审
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journal_title:Clinical genetics
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Clinical genetics
pub_type: 杂志文章
doi:10.1111/j.1399-0004.1996.tb02366.x
更新日期:1996-09-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2004-11-01 00:00:00
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journal_title:Clinical genetics
pub_type: 杂志文章
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journal_title:Clinical genetics
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