Ligneous Membranitis (LM) – Scottish Terrier
Code: H505
Short description
Ligneous Membranitis (LM) is a rare, hereditary chronic disease that affects delicate (mucous) membranes of the nostrils, mouth, throat and eyelids.
General information
Ligneous Membranitis (LM) is a rare, hereditary chronic disease that affects delicate (mucous) membranes of the nostrils, mouth, throat and eyelids. This leads to thickening and scarring of the tissues. It can also affect the inner membranes of the heart and brain, potentially causing permanent heart and brain damage. LM is caused by an autosomal recessive mutation in the plasminogen (PLG) gene, which is important for dissolving blood clots. The mutation is found in the Scottish Terrier.
Specifications
| Breeds | |
|---|---|
| Gene | PLG |
| Chromosome | 1 |
| Mutation | c.1256+2T>A |
| Organ | Digestive System |
| Specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | Autosomal Recessive |
| Also known as | LM |
Clinical features
LM typically presents by two months of age with severe ulcerations of the (mucous) membranes, including those in the mouth, eyes, and respiratory tract. This causes chronic nasal discharge, conjunctivitis, and coughing. Affected dogs may show increased respiratory sounds due to severe inflammation of the larynx and trachea. LM can also affect the inner membranes of the heart and brain, potentially causing permanent heart and brain damage. Other symptoms include enlarged lymph nodes, increased white blood cell counts, protein in the urine (proteinuria), and low protein levels in the blood (hypoproteinemia).
Due to the severity of the disease, affected dogs typically die or are euthanized on humane grounds before reaching adulthood.
References
Pubmed ID: 26360520
Year published: 2015
Omia ID: 2020
Omia variant ID:
Turnaround information
- 15 working days