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Sökning: WFRF:(Hedtjärn Maj 1973) > (2010)

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  • Doverhag, Christina, 1979, et al. (författare)
  • Galectin-3 contributes to neonatal hypoxic-ischemic brain injury.
  • 2010
  • Ingår i: Neurobiology of disease. - : Elsevier BV. - 1095-953X .- 0969-9961. ; 38:1, s. 36-46
  • Tidskriftsartikel (refereegranskat)abstract
    • Inflammation induced by hypoxia-ischemia (HI) contributes to the development of injury in the newborn brain. In this study we investigated the role of galectin-3, a novel inflammatory mediator, in the inflammatory response and development of brain injury in a mouse model for neonatal HI. Galectin-3 gene and protein expression was increased after injury and galectin-3 was located in activated microglia/macrophages. Galectin-3 deficient mice (gal3-/-) were protected from injury particularly in hippocampus and striatum. Microglia accumulation was increased in the gal3-/-mice but accompanied by decreased levels of total matrix metalloproteinase (MMP)-9 and nitrotyrosine. The protection and increase in microglial infiltration was more pronounced in male gal3-/-mice. Trophic factors and apoptotic markers did not significantly differ between groups. In conclusion, galectin-3 contributes to neonatal HI injury particularly in male mice. Our results indicate that galectin-3 exerts its effect by modulating the inflammatory response.
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