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Mutations of RPGR in X-linked retinitis pigmentosa (RP3)
β Scribed by Raf Vervoort; Alan F. Wright
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 602 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1059-7794
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β¦ Synopsis
Communicated by
π SIMILAR VOLUMES
X-linked forms of retinitis pigmentosa (XLRP) are among the most severe because of their early onset, often leading to significant visual impairment before the fourth decade. RP3, genetically localized at Xp21.1, accounts for 70% of XLRP in different populations. The RPGR (Retinitis Pigmentosa GTPas
## Abstract Most Xβlinked diseases show a recessive pattern of inheritance in which female carriers are unaffected. In Xβlinked retinitis pigmentosa (XLRP), however, both recessive and semiβdominant inheritance patterns have been reported. We identified an Israeli family with semiβdominant XLRP due
RGPR was the first gene found to be mutated in XLRP, the subtype of RP displaying the most severe form of retinal degeneration with partial or complete blindness in the third or fourth decade of life. Despite the RP3 locus on Xp21.1 accounting for 60-90% of XLRP, only 10-20% of identified RPGR mutat
The results of linkage analysis in a family with X-linked retinitis pigmentosa (XLRP) are presented. Probe M27B (DXS255), localised to Xpll.22, was only loosely linked to XLRP, whereas pHOC3 (OTC), in the more distal Xp21.1 region, was tightly linked. In this family, the conditional probability of a