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Lung Developmental Disease (Discovered in the Airedale Terrier)

Lung developmental disease in Airedale Terriers is characterized by lethal hypoxic respiratory distress and failure that occur within the first days or weeks of life in affected puppies.

Key Signs

Respiratory distress and failure

Age of Onset

At birth

Present at birth

Inheritance

Autosomal Recessive

For autosomal recessive disorders, dogs with two copies of the variant are at risk of developing the condition. Dogs with one copy of the variant are considered carriers and are usually not at risk of developing the disorder. However, carriers of some complex variants grouped in this category may be associated with a low risk of developing the disorder. Individuals with one or two copies may pass the disorder-associated variant to their puppies if bred.

Likelihood of the Condition

High likelihood

At risk dogs are highly likely to show signs of this disease in their lifetime.

What to Do

Here’s how to care for a dog with Lung Developmental Disease

Partner with your veterinarian to make a plan regarding your dog’s well-being, including any insights provided through genetic testing. If your pet is at risk or is showing signs of this disorder, then the first step is to speak with your veterinarian.

For Veterinarians

Here’s what a vet needs to know about Lung Developmental Disease

Affected puppies start having difficulties in breathing during the first days after birth. Hypoxic respiratory distress and failure subsequently occurs and affected pups typically pass away or are euthanized within the first days or weeks of life.

Affected pups are often euthanized for welfare reasons, due to the severity of the clinical signs.

For Breeders

Planning to breed a dog with this genetic variant?

There are many responsibilities to consider when breeding dogs. Regardless of test results it is important that your dog is in good general health and that you are in a position to care for the puppies if new responsible owners are not found. For first time or novice breeders, advice can be found at most kennel club websites.

This disease is autosomal recessive meaning that two copies of the mutation are needed for disease signs to occur. A carrier dog with one copy of the Lung Developmental Disease mutation can be safely bred with a clear dog with no copies of the Lung Developmental Disease mutation. About half of the puppies will have one copy (carriers) and half will have no copies of the Lung Developmental Disease mutation. Puppies in a litter which is expected to contain carriers should be tested prior to breeding. Carrier to carrier matings are not advised as the resulting litter may contain affected puppies. Please note: It is possible that disease signs similar to the ones caused by the Lung Developmental Disease mutation could develop due to a different genetic or clinical cause.

Technical Details

Gene LAMP3
Variant C>T
Chromosome 34
Coordinate 16,092,728

All coordinates reference CanFam3.1

References & Credit

Credit to our scientific colleagues:

Dillard, K. J., Ochs, M., Niskanen, J. E., Arumilli, M., Donner, J., Kyöstilä, K., Hytönen, M. K., Anttila, M., & Lohi, H. (2020). Recessive missense LAMP3 variant associated with defect in lamellar body biogenesis and fatal neonatal interstitial lung disease in dogs. PLOS Genetics. View the article