Abstract:
:X-linked juvenile retinoschisis (RS) is a bilateral vitreoretinal disorder with no known cure. The gene responsible for the disease was recently isolated by positional cloning methods and a spectrum of mutations has been described in families with RS pathology. In this report, we screened six sporadic cases of RS for mutations in the RS gene to understand the etiology of isolated cases. Our extensive studies revealed a novel 4 bp insertion in one family and the remaining families did not show mutations in the RS gene. This mutation altered the reading frame including codon 55 resulting in nine aberrant amino acid residues. The unaffected mother did not contain this mutation. Additionally, it was not found in 60 normal control chromosomes, suggesting that the insertion mutation is disease related in the family analyzed.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Hiraoka M,Trese MT,Shastry BSdoi
10.1006/bbrc.2000.2133subject
Has Abstractpub_date
2000-02-16 00:00:00pages
370-2issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(00)92133-8journal_volume
268pub_type
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