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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Oligodendrocyte myelin glycoprotein (OMgp): evolution, structure and function.

The oligodendrocyte myelin glycoprotein (OMgp) is a glycosylphosphatidylinositol-anchored protein expressed by neurons and oligodendrocytes in the central nervous system (CNS). Although the precise function of OMgp is yet to be determined in vivo, recent in vitro studies suggested roles for this protein in both the developing and adult central nervous system. In vitro experiments demonstrated the participation of OMgp in growth cone collapse and inhibition of neurite outgrowth through its interaction with NgR, the receptor for Nogo. This function requires its leucine-rich repeat domain, a highly conserved region in OMgp during mammal evolution. OMgp leucine-rich repeat domain is also implicated in the inhibition of cell proliferation. Based on its developmental expression, localization and structure, OMgp may also be involved in the formation and maintenance of myelin sheaths. Cell proliferation, neuronal sprouting and myelination are crucial processes involved in brain development and regeneration after injury. Here, we review the information available on the structure and evolution of OMgp, summarize its tissue expression and discuss its putative role(s) during the development and in adult CNS.[1]


  1. Oligodendrocyte myelin glycoprotein (OMgp): evolution, structure and function. Vourc'h, P., Andres, C. Brain Res. Brain Res. Rev. (2004) [Pubmed]
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