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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1993 Oct 15;90(20):9717–9720. doi: 10.1073/pnas.90.20.9717

A gene affecting Wallerian nerve degeneration maps distally on mouse chromosome 4.

M F Lyon 1, B W Ogunkolade 1, M C Brown 1, D J Atherton 1, V H Perry 1
PMCID: PMC47641  PMID: 8415768

Abstract

When a nerve axon is cut or crushed, the nerve fibers in the distal part of the axon, separated from the cell body, undergo a form of spontaneous degeneration, known as Wallerian degeneration. A substrain of the mouse inbred strain C57BL, known as C57BL/Ola, carries a mutant form of a gene involved in Wallerian degeneration in the peripheral and central nervous systems, and in retrograde degeneration of retinal ganglion cells. Wallerian degeneration in this substrain is abnormally slow. Previously the defect had been shown to be due to an autosomal dominant gene. The locus has been given the name and symbol Wallerian degeneration Wld, with the mutant allele Wlds (Wallerian degeneration-slow). The Wld locus has now been mapped, by using conventional and molecular markers, to the distal end of chromosome 4, near the locus of pronatriodilatin (Pnd). The order of loci (with recombination distances in centimorgans, cM) is cen-D4Mit11-8.9 +/- 1.7 cM-Fuca-2.5 +/- 0.93 cM-Akp-2-3.2 +/- 1.1 cM-D4Mit48-3.5 +/- 1.1 cM-(Wld, Pnd, D4Mit49)-0.71 +/- 0.50 cM-(Eno-1, D4Mit33)-1.4 +/- 0.70 cM-D4Mit42-2.5 +/- 0.93 cM-D4Smh6b. The information on the position of the Wld locus should be valuable in further characterization of this gene involved in nerve degeneration and regeneration.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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