Ectopic retinal tacks.
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Anterior Chamber↗
Biomedical subjects
O J Lehmann
Publications and source records attributed to O J Lehmann.
Manipulative therapy and physiotherapy for persistent back and neck complaints.
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Back Pain↗
Multipoint linkage analysis of the short arm of chromosome 11 in non-insulin dependent diabetes including maturity onset diabetes of youth.
Members of three families with maturity onset diabetes of youth (MODY) and seven with "common" type 2 diabetes were typed for six DNA markers (H-RAS, INS, HBBC, PTH, CALC1, CAT) on the short arm of chromosome 11. Using conventional pairwise linkage analysis, close linkage in the MODY families was excluded for all six markers. By multipoint analysis and a genetic map of the short arm of chromosome 11, MODY was excluded from a region of at least 35 and up to 60 centiMorgans (cM) on the short arm of chromosome 11. Multipoint analysis in the type 2 families also excludes linkage to the INS, H-RAS region of at least 3 and up to 30 cM. This study using multipoint linkage analysis in non-insulin dependent diabetes provides strong evidence against a role for mutations in or around the insulin gene in the causation of MODY or type 2 diabetes in the families studied.
Chromosomes, Human, Pair 11↗
Mutations for the autosomal recessive and autosomal dominant forms of polycystic kidney disease are not allelic.
The autosomal dominant form of polycystic kidney disease (ADPKD) has been linked to the alpha-globin gene locus on 16p. Linkage studies between the autosomal recessive type (ARPKD) and the 3' HVR of the alpha-globin gene cluster showed that the ARPKD and ADPKD are not allelic.
Alleles↗
Regional localization of the autosomal dominant polycystic kidney disease locus.
The localization of the autosomal dominant polycystic kidney disease locus (PKD1) within an array of anonymous polymorphic DNA sequences on chromosome 16 band p13 was determined by multipoint mapping. Nine polymorphic DNA markers, including two hypervariable sequences, were used to study 19 PKD1 and 21 reference families. PKD1 was found to lie proximal to the 3' and 5' hypervariable regions of alpha-globin and distal to the anonymous sequence CRI-0327. Somatic cell hybrid mapping places PKD1 within the region 16p13.11-16pter. The availability of an array of linked markers which bracket the PKD1 locus provides a framework for further attempts to identify the PKD1 gene and offers an improved method of presymptomatic diagnosis of the disease.
Animals↗