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  • Title: Laminin supports neurite outgrowth from explants of axotomized adult rat retinal neurons.
    Author: Ford-Holevinski TS, Hopkins JM, McCoy JP, Agranoff BW.
    Journal: Brain Res; 1986 Jul; 393(1):121-6. PubMed ID: 3730889.
    Abstract:
    The influence of laminin on neurite outgrowth from explants of adult rat retina and its distribution in normal and lesioned rat optic nerves were examined. Neurite outgrowth required the presence of laminin in the substratum, and as with a goldfish retinal explant system, was markedly stimulated by prior axotomy. Except for blood vessels and the nerve sheath, normal rat optic nerve was devoid of laminin immunoreactivity. Unlike results seen in the goldfish optic nerve, injury to the rat optic nerve induced no observable increase in laminin content or change in its distribution. The differences in the in vivo regenerative capacities of these two species may in part be related to the differences in their abilities to provide a proper substratum for axon regrowth.
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