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Am J Hum Genet. 1989 Feb;44(2):241-7.

Lowe oculocerebrorenal syndrome: DNA-based linkage of the gene to Xq24-q26, using tightly linked flanking markers and the correlation to lens examination in carrier diagnosis.

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Department of Medical Genetics, University of Uppsala, Sweden.


The Lowe syndrome (LS), or oculocerebrorenal syndrome, has been studied using DNA-based linkage analysis, and the findings have been correlated with the result of a thorough ophthalmologic examination. It was found that the LS gene was linked to markers in the Xq24-q26 region and that the locus DXS42 was the most closely linked marker, giving a LOD score of 3.12 at zero recombination distance. Combined with earlier data, this forms the basis for carrier detection and prenatal diagnosis by using tightly linked flanking markers. A summary of our and other data suggests that the loci DXS17, DXS11, DXS87, and DXS42 are located on the proximal side, and DXS86 and DXS10 on the distal side of the Lowe locus. In isolated cases of LS the question of whether the mother is a carrier of the mutation arises. It was found that a lens examination with slit-lamp illumination and a count of the total number of lenticular opacities is a reliable method of ascertaining the carrier state.

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