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. 2003 Mar 14;108(1):99–104. doi: 10.1016/0022-510X(92)90194-P

Tumour necrosis factor causes an increase in axonal transport of protein and demyelination in the mouse optic nerve

Huw G Jenkins 1,∗, Hisako Ikeda 1
PMCID: PMC7130121  PMID: 1378089

Abstract

An increase in fast axonal transport of protein by the optic nerve was found in mice following a single combined injection of human recombinant tumour necrosis factor alpha (rTNF) and [3H]proline into the vitreous chamber. Demyelination was observed in optic nerve fibres arising from the eyes of mice which received a single rTNF injection. No such changes were detected when heat-inactivated rTNF was injected with the label. The effects of intravitreal injection of rTNF on the pathophysiology of mouse optic nerve resembled those found in mice infected with Semliki Forest virus (SFV), an animal model of multiple sclerosis. We suggest that TNF could mediate at lease some of the pathophysiological changes found in SFV-infected mice and may provide a clue concerning the disease mechanism in multiple sclerosis.

Keywords: Axonal transport, Cytokine, Demyelination, Optic nerve, Retina, Tumour necrosis factor

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