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Gene Review

Gpc2  -  glypican 2

Rattus norvegicus

Synonyms: Cerebroglycan, Glypican-2, HSPG M13
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High impact information on Gpc2

  • Cerebroglycan: an integral membrane heparan sulfate proteoglycan that is unique to the developing nervous system and expressed specifically during neuronal differentiation [1].
  • In situ hybridization experiments at several developmental stages strongly suggest that cerebroglycan message is widely and transiently expressed by immature neurons, appearing around the time of final mitosis and disappearing after cell migration and axon outgrowth have been completed [1].
  • Cerebroglycan was also found on neuronal growth cones both in vivo and in vitro [2].
  • In the rat, cerebroglycan was prominantly expressed on axon tracts throughout the developing brain and spinal cord, where it was found at times when axons are actively growing, but generally not after axons have reached their targets [2].
  • Indeed, by examining the hippocampus at a late stage in development-when most neurons no longer express cerebroglycan but newly generated granule neurons do-evidence was obtained that cerebroglycan is strongly polarized to the axonal, and excluded from the somatodendritic, compartment of neurons [2].

Anatomical context of Gpc2


Associations of Gpc2 with chemical compounds

  • Exposure of hippocampal neurones to 100 microM glutamate for 5 min resulted in an increase in CBG mRNA levels and an increase in axonal and dendritic length [4].
  • The increase in CBG mRNA levels following glutamate exposure was mediated via both N-methyl-D-aspartate and metabotropic receptor activation [4].
  • Both cerebroglycan (CBG), a glycosylphatidylinositol-anchored heparan sulphate PG, and neurocan, a developmentally regulated chondroitin sulphate PG, are expressed in hippocampal neurones [4].

Other interactions of Gpc2


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