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Sökning: WFRF:(Cotman Carl W.)

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  • Van Deerlin, Vivian M, et al. (författare)
  • Common variants at 7p21 are associated with frontotemporal lobar degeneration with TDP-43 inclusions
  • 2010
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 42:3, s. 234-239
  • Tidskriftsartikel (refereegranskat)abstract
    • Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. The predominant neuropathology is FTLD with TAR DNA-binding protein (TDP-43) inclusions (FTLD-TDP). FTLD-TDP is frequently familial, resulting from mutations in GRN (which encodes progranulin). We assembled an international collaboration to identify susceptibility loci for FTLD-TDP through a genome-wide association study of 515 individuals with FTLD-TDP. We found that FTLD-TDP associates with multiple SNPs mapping to a single linkage disequilibrium block on 7p21 that contains TMEM106B. Three SNPs retained genome-wide significance following Bonferroni correction (top SNP rs1990622, P = 1.08 x 10(-11); odds ratio, minor allele (C) 0.61, 95% CI 0.53-0.71). The association replicated in 89 FTLD-TDP cases (rs1990622; P = 2 x 10(-4)). TMEM106B variants may confer risk of FTLD-TDP by increasing TMEM106B expression. TMEM106B variants also contribute to genetic risk for FTLD-TDP in individuals with mutations in GRN. Our data implicate variants in TMEM106B as a strong risk factor for FTLD-TDP, suggesting an underlying pathogenic mechanism.
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3.
  • Westerberg, Eva, et al. (författare)
  • Excitatory amino acid receptors and ischemic brain damage in the rat
  • 1987
  • Ingår i: Neuroscience Letters. - : Elsevier BV. - 0304-3940. ; 73:2, s. 119-124
  • Tidskriftsartikel (refereegranskat)abstract
    • The excitatory amino acid glutamate has been suggested to be an important mediator of the selective CA1 hippocampal damage which follows transient cerebral ischemia. In order to evaluate the possible involvement of altered glutamate receptor regulation in the expression of the delayed neuronal necrosis following ischemia, we have determined the density of glutamate receptor subtypes in the rat hippocampus following transient ischemia. We report a transient reversible decrease in [3H]AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) binding sites (presumably representing quisqualate receptors) followed by a long term loss of binding at 2 days postischemia which precedes neuronal loss. In contrast, no change was noted in the N-methyl-d-aspartate or kainic acid binding sites over this time period.
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