Multipoint linkage analysis and homogeneity tests in 15 Dutch X-linked retinitis pigmentosa families

A. A. Bergen, L. I. van den Born, E. J. Schuurman, A. J. Pinckers, G. J. van Ommen, E. M. Bleekers-Wagemakers, L. A. Sandkuijl

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Abstract

Linkage analysis and homogeneity tests were carried out in 15 Dutch families segregating X-linked retinitis pigmentosa (X L R P). The study included segregation data for eight polymorphic DNA markers from the short arm of the human X chromosome. The results of both multipoint linkage analysis in individual families and heterogeneity analysis support the view that there are only two X L R P loci on the short arm of the human X chromosome, with one locus near the OTC gene and one in the vicinity of DXS255. Furthermore, our data confirm the hypothesis that a tapetal reflex in female carriers can be observed more frequently, if not exclusively, in X L R P families of the R P 3 type
Original languageEnglish
Pages (from-to)63-70
JournalOphthalmic Genetics
Volume16
Issue number2
DOIs
Publication statusPublished - 1995

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