X-linked myopathy (XL-MTM)
X-linked myopathy (XL-MTM)
General description
The X-linked severe combined Immunodeficiency (X-SCID) causes serious defects in cellular and humoral immunity. Affected dogs suffer from developmental disorder, increased responsiveness for viral and bacterial pathogens and degeneration of peripheral lymph nodes. The dogs often die till to the age of four months.
Breeds
Labrador Retriever, Rottweiler
Order details
| Test number | 8305 |
| Sample material | 0.5 ml EDTA blood, 2x cheek swab, 1x special swab (eNAT) |
| Test duration | 7-14 working days |
Test specifications
| Inheritance | X-chromosomal recessive |
Detailed description
The X-linked myotubular myopathy is a hereditary disorder that affects the skeletal muscles in the body. In contrast to the centronuclear myopathy (CNM), which also occurs in the Labrador Retriever, the genetic defect is associated with the Xchromosome. The MTM1 gene is responsible for the production of mytubularin, which is an important factor for development and especially maintenance of muscular function. If myotubularin production is hindered because of a defective MTM1 gene, the regeneration of the excitation-contraction coupling mechanism is malfunctioning. Clinical signs for this disease can be seen from birth. Symptoms are strong hypotonia, muscle atrophy and progressive weakening of the hind limbs. This is usually accompanied by breathing difficulties, which can lead to death by suffocation.
