Persistence of immature pyruvate kinase and hexokinase isozymes
Also known as: Persistence of fetal pyruvate kinase and hexokinase · Immature erythrocyte enzyme persistence · Persistent fetal PK and HK isozymes · Fetal pyruvate kinase persistence
Overview
What it is
This is an inherited condition where a dog's red blood cells continue to produce immature, fetal versions of two key metabolic enzymes, pyruvate kinase and hexokinase, instead of transitioning to the mature adult forms. These enzymes are crucial for generating energy within red blood cells, which are the cells responsible for carrying oxygen throughout the body. Because these immature enzymes still function adequately, the overall health of the blood cells is preserved, making this a harmless and benign trait.
How it presents
Affected dogs do not show any physical symptoms and typically live completely normal lives. The condition is usually discovered by chance during routine blood tests, which may show slightly enlarged red blood cells from a young age.
Treatment
No treatment is required for this benign condition as it does not affect the dog's quality of life. Owners may occasionally choose to run routine follow-up blood tests, with lifetime monitoring costs typically ranging from 150 to 600 EUR.
How it's tested
Affected breeds
Treatment cost
Estimated range of typical treatment cost. Actual cost depends on severity, clinic and region.
Frequently asked
What is Persistence of immature pyruvate kinase and hexokinase isozymes?
This is an inherited condition where a dog's red blood cells continue to produce immature, fetal versions of two key metabolic enzymes, pyruvate kinase and hexokinase, instead of transitioning to the mature adult forms. These enzymes are crucial for generating energy within red blood cells, which are the cells responsible for carrying oxygen throughout the body. Because these immature enzymes still function adequately, the overall health of the blood cells is preserved, making this a harmless and benign trait.
How is Persistence of immature pyruvate kinase and hexokinase isozymes tested?
Various clinical and genetic tests are used depending on the breed and presentation.
Which breeds are most affected?
This condition isn't tied to a specific breed in our database.