Traits

Traits linked to MPO

myeloperoxidase

The Human Phenotype Ontology links 11 traits to MPO, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the nervous system

Trait	How often it is seen
Alzheimer disease	Not recorded
Dementia	Not recorded
Long-tract sign	Not recorded
Neurofibrillary tangles	Not recorded
Parkinsonism	Not recorded

Laboratory abnormality

Trait	How often it is seen
Decreased circulating GABA concentration	Not recorded
Laboratory abnormality	Not recorded
Reduced neutrophil myeloperoxidase activity	Not recorded

Abnormality of blood and blood-forming tissues

Trait	How often it is seen
Diminished neutrophil myeloperoxidase activity	Always
Abnormality of blood and blood-forming tissues	Not recorded

Abnormality of the immune system

Trait	How often it is seen
Abnormality of the immune system	Not recorded

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to MPO and how often each is seen. Find out more at hpo.jax.org.

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