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Title: A nuclear defect in the 4p16 region predisposes to multiple mitochondrial DNA deletions in families with Wolfram syndrome.
Author: Barrientos Rubio, Antoni
Volpini Bertrán, Víctor
Casademont i Pou, Jordi
Genís, David
Manzanares, Josep-Maria
Ferrer, Isidro (Ferrer Abizanda)
Corral, Jordi
Cardellach, Francesc
Urbano Márquez, A. (Álvaro)
Estivill, Xavier, 1955-
Nunes Martínez, Virginia
Keywords: Mitocondris
Degeneració del sistema nerviós
Genètica humana
Neurodegenerative Diseases
Autosomal recessive inheritance
Issue Date: 1996
Publisher: American Society for Clinical Investigation
Abstract: Wolfram syndrome is a progressive neurodegenerative disorder transmitted in an autosomal recessive mode. We report two Wolfram syndrome families harboring multiple deletions of mitochondrial DNA. The deletions reached percentages as high as 85-90% in affected tissues such as the central nervous system of one patient, while in other tissues from the same patient and from other members of the family, the percentages of deleted mitochondrial DNA genomes were only 1-10%. Recently, a Wolfram syndrome gene has been linked to markers on 4p16. In both families linkage between the disease locus and 4p16 markers gave a maximum multipoint lod score of 3.79 at theta = 0 (Pi<0.03) with respect to D4S431. In these families, the syndrome was caused by mutations in this nucleus-encoded gene which deleteriously interacts with the mitochondrial genome. This is the first evidence of the implication of both genomes in a recessive disease.
Note: Reproducció del document publicat a
It is part of: Journal of Clinical Investigation, 1996, vol. 97, núm. 7, p. 1570¿1576.
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ISSN: 0021-9738
Appears in Collections:Articles publicats en revistes (Patologia i Terapèutica Experimental)
Articles publicats en revistes (Medicina)

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