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Progranulin regulates neuronal outgrowth independent of sortilin.

Jennifer Gass | Wing C Lee | Casey Cook | Nicole Finch | Caroline Stetler | Karen Jansen-West | Jada Lewis | Christopher D Link | Rosa Rademakers | Anders Nykjær | Leonard Petrucelli
Molecular neurodegeneration | 2012

Progranulin (PGRN), a widely secreted growth factor, is involved in multiple biological functions, and mutations located within the PGRN gene (GRN) are a major cause of frontotemporal lobar degeneration with TDP-43-positive inclusions (FLTD-TDP). In light of recent reports suggesting PGRN functions as a protective neurotrophic factor and that sortilin (SORT1) is a neuronal receptor for PGRN, we used a Sort1-deficient (Sort1-/-) murine primary hippocampal neuron model to investigate whether PGRN's neurotrophic effects are dependent on SORT1. We sought to elucidate this relationship to determine what role SORT1, as a regulator of PGRN levels, plays in modulating PGRN's neurotrophic effects.

Pubmed ID: 22781549

Research resources used in this publication

None found

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Associated grants

  • Agency: NIA NIH HHS, United States
    Id: 5R01AG026251-04
  • Agency: NINDS NIH HHS, United States
    Id: R01 NS 063964-01
  • Agency: NINDS NIH HHS, United States
    Id: R01 NS065782
  • Agency: NINDS NIH HHS, United States
    Id: R01 NS077402

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