FGF2 and FGFR1 signaling regulate functional recovery following cuprizone demyelination

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FGF2 and FGFR1 signaling regulate functional recovery following cuprizone demyelination

In demyelinating diseases, such as multiple sclerosis, remyelination offers the potential to recover function of viable denuded axons by restoring saltatory conduction and/or protecting from further damage. Mice with genetic reduction of fibroblast growth factor 2 (Fgf2) or Fgf receptor 1 (Fgfr1) exhibit dramatically improved remyelination following experimental demyelination with cuprizone. Th...

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GAS6 Enhances Repair Following Cuprizone-Induced Demyelination

Growth arrest-specific protein 6 (gas6) activities are mediated through the Tyro3, Axl, and Mer family of receptor tyrosine kinases. Gas6 is expressed and secreted by a wide variety of cell types, including cells of the central nervous system (CNS). In this study, we tested the hypothesis that administration of recombinant human Gas6 (rhGas6) protein into the CNS improves recovery following cup...

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Gas6 Increases Myelination by Oligodendrocytes and Its Deficiency Delays Recovery following Cuprizone-Induced Demyelination

Multiple sclerosis (MS) is a complex demyelinating disease of the central nervous system. Current research has shown that at least in some cases, the primary insult in MS could be directed at the oligodendrocyte, and that the earliest immune responses are primarily via innate immune cells. We have identified a family of receptor protein tyrosine kinases, known as the TAM receptors (Tyro3, Axl a...

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Fibroblast growth factor 1 (FGFR1) modulation regulates repair capacity of oligodendrocyte progenitor cells following chronic demyelination.

The adult mammalian brain contains multiple populations of endogenous progenitor cell types. However, following CNS trauma or disease, the regenerative capacity of progenitor populations is typically insufficient and may actually be limited by non-permissive or inhibitory signals in the damaged parenchyma. Remyelination is the most effective and simplest regenerative process in the adult CNS ye...

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Astrocytes regulate myelin clearance through recruitment of microglia during cuprizone-induced demyelination.

Recent evidence suggests that astrocytes play an important role in regulating de- and remyelination in multiple sclerosis. The role of astrocytes is controversial, and both beneficial as well as detrimental effects are being discussed. We performed loss-of-function studies based on astrocyte depletion in a cuprizone-induced rodent model of demyelination. This led to strong astrogliosis accompan...

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ژورنال

عنوان ژورنال: Neuroscience Letters

سال: 2013

ISSN: 0304-3940

DOI: 10.1016/j.neulet.2013.05.010