DNA & genetic tests
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48.4

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40

Degenerative myelopathy risk modifier / DMRM panel (SP110, 5 variants) - Pembroke Welsh Corgi

Five-marker SP110 panel for Degenerative Myelopathy Risk Modifier / DMRM in Pembroke Welsh Corgis.

Turnaround time
10 workdays
test Methods
Sequencing
Test code
PVT-B4841D421032
Species
Dog
Breeds
Pembroke Welsh Corgi
Matrices
Blood, Blood (EDTA), Blood (Heparin), Swab, Tissue

Overview

What does this panel detect?

This genetic panel analyses five SP110 markers on chromosome 25 used together as a Degenerative Myelopathy Risk Modifier, DMRM, in the Pembroke Welsh Corgi. The test is designed to refine degenerative myelopathy assessment, especially when the known SOD1 risk status is also considered.

What is degenerative myelopathy?

Degenerative myelopathy, often abbreviated as DM, is a progressive neurological disease of the spinal cord. Dogs may gradually lose strength and coordination in the hind limbs, drag their feet, become unstable and eventually develop more severe paralysis. In Pembroke Welsh Corgis, SOD1 status is important, but not every dog with an SOD1 risk genotype develops the same signs at the same age.

Why SP110 as a risk modifier?

The SP110 markers are not a simple single-gene cause of DM. They add information about a modifier haplotype that can influence the chance of clinical DM and especially the age at which signs begin in Pembroke Welsh Corgis that are already genetically susceptible through SOD1. This makes the panel most useful as an additional layer on top of DM/SOD1 information, not as a stand-alone DM diagnosis.

What do the five markers mean?

Each marker test measures one position in the same SP110 region. Together, the five markers provide a more targeted view of the risk-modifier pattern than a single marker alone. A complete result helps show whether the dog carries no, partial or stronger evidence for the SP110 risk haplotype.

Practical value of this test

  • The panel helps Pembroke Welsh Corgi breeders refine DM risk when SOD1 information is already known.
  • The result supports selection of combinations that consider both baseline risk and modifier information.
  • For dogs with an SOD1 risk genotype, SP110 information can sharpen individual risk management and breeding plans.
  • In lines where DM occurs, the panel provides more nuance than a general DM result alone.

Included subanalyses

This analysis includes the following subanalyses:

  • DMRM variant 1 - SP110 cfa25:45,435,040G>A
  • DMRM variant 2 - SP110 cfa25:45,437,568C>T
  • DMRM variant 3 - SP110 cfa25:45,443,320A>G
  • DMRM variant 4 - SP110 cfa25:45,445,891A>G
  • DMRM variant 5 - SP110 cfa25:45,447,628A>T

Allele combinations & result interpretations

Sampling and submission guidelines

References