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Linkage studies in progressive myoclonus epilepsy: Unverricht-Lundborg and Lafora's diseases.
- Source :
- Neurology, 42 (8
- Publication Year :
- 1992
-
Abstract
- The progressive myoclonus epilepsies (PME) are a heterogeneous group of rare genetic disorders. Unverricht-Lundborg disease and Lafora's disease are two major classic forms of PME. We recently assigned the gene for Unverricht-Lundborg disease (EPM1) to human chromosome 21 band q22.3. We have now refined the localization of EPM1 by linkage analysis between the disease phenotype and nine DNA markers in 13 Finnish families. Loci MX1 and CD18 flank the EPM1 interval, which spans a distance of about 3.5 megabases. In this 20-centimorgan interval, no recombinations were detected between EPM1 and marker loci BCEI, D21S19, D21S42, D21S113, D21S154, and PFKL. Within this interval a maximum multipoint lod score of 11.04 was reached at loci D21S154-PFKL. In two Swedish families with Unverricht-Lundborg disease no recombinations were detected. In three Italian families with Lafora's disease the linkage results suggested that EPM1 is not the locus for Lafora's disease.<br />Comparative Study<br />Journal Article<br />Research Support, Non-U.S. Gov't<br />Research Support, U.S. Gov't, P.H.S.<br />info:eu-repo/semantics/published
Details
- Database :
- OAIster
- Journal :
- Neurology, 42 (8
- Notes :
- No full-text files, English
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.ocn764602979
- Document Type :
- Electronic Resource