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Träfflista för sökning "WFRF:(Holme Elisabeth 1947 ) ;pers:(Nennesmo Inger)"

Sökning: WFRF:(Holme Elisabeth 1947 ) > Nennesmo Inger

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1.
  • Kollberg, Gittan, 1963, et al. (författare)
  • POLG1 mutations associated with progressive encephalopathy in childhood.
  • 2006
  • Ingår i: Journal of neuropathology and experimental neurology. - : Oxford University Press (OUP). - 0022-3069 .- 1554-6578. ; 65:8, s. 758-68
  • Tidskriftsartikel (refereegranskat)abstract
    • We have identified compound heterozygous missense mutations in POLG1, encoding the mitochondrial DNA polymerase gamma (Pol gamma), in 7 children with progressive encephalopathy from 5 unrelated families. The clinical features in 6 of the children included psychomotor regression, refractory seizures, stroke-like episodes, hepatopathy, and ataxia compatible with Alpers-Huttenlocher syndrome. Three families harbored a previously reported A467T substitution, which was found in compound with the earlier described G848S or the W748S substitution or a novel R574W substitution. Two families harbored the W748S change in compound with either of 2 novel mutations predicted to give an R232H or M1163R substitution. Muscle morphology showed mitochondrial myopathy with cytochrome c oxidase (COX)-deficient fibers in 4 patients. mtDNA analyses in muscle tissue revealed mtDNA depletion in 3 of the children and mtDNA deletions in the 2 sibling pairs. Neuropathologic investigation in 3 children revealed widespread cortical degeneration with gliosis and subcortical neuronal loss, especially in the thalamus, whereas there were only subcortical neurodegenerative findings in another child. The results support the concept that deletions as well as depletion of mtDNA are involved in the pathogenesis of Alpers-Huttenlocher syndrome and add 3 new POLG1 mutations associated with an early-onset neurodegenerative disease.
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3.
  • Sofou, Kalliopi, et al. (författare)
  • Phenotypic and genotypic variability in Alpers syndrome.
  • 2012
  • Ingår i: European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society. - : Elsevier BV. - 1532-2130. ; 16:4, s. 379-89
  • Tidskriftsartikel (refereegranskat)abstract
    • Alpers syndrome is one of the most common phenotypes of mitochondrial disorders in early childhood and has been associated with pathogenic mutations in POLG1.
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