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Canine Intestinal Organoids in a Dual-Chamber Permeable Support System

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Canine degenerative myelopathy.

Joan R Coates¹, Fred A Wininger

¹Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, University of Missouri, 900 East Campus Drive, Clydesdale Hall, Columbia, MO 65211, USA. coatesj@missouri.edu

The Veterinary Clinics of North America. Small Animal Practice

|August 25, 2010

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Canine degenerative myelopathy (DM) is a progressive neurodegenerative disease in dogs. A genetic mutation in the superoxide dismutase 1 (SOD1) gene is a significant risk factor, linking canine DM to human amyotrophic lateral sclerosis (ALS).

Area of Science:

Veterinary Neurology
Neurogenetics
Comparative Medicine

Background:

Canine degenerative myelopathy (DM) is a fatal, adult-onset neurodegenerative disorder affecting multiple dog breeds.
The disease progresses from upper motor neuron signs to lower motor neuron paralysis.
Recent research identified a missense mutation in the superoxide dismutase 1 (SOD1) gene as a key risk factor for DM.

Purpose of the Study:

To review current knowledge on canine degenerative myelopathy.
To discuss the clinical presentation, diagnosis, and treatment of canine DM.
To explore the implications of the SOD1 gene mutation in canine DM and its parallels with human amyotrophic lateral sclerosis (ALS).

Main Methods:

Literature review of canine degenerative myelopathy.

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Analysis of genetic risk factors, specifically the SOD1 gene mutation.

Comparative review of canine DM and human ALS pathogenic mechanisms.

Main Results:

A specific SOD1 gene mutation is strongly associated with canine DM.
Canine DM shares clinical and potential pathogenic similarities with human ALS.
Understanding the SOD1 link offers insights into both diseases.

Conclusions:

The SOD1 mutation provides a critical genetic marker for canine DM risk.
Comparative studies of canine DM and human ALS advance translational medicine.
Further research into SOD1's role can improve diagnostics and therapeutics for neurodegenerative diseases.