Traits

Traits linked to AMFR

autocrine motility factor receptor

The Human Phenotype Ontology links 10 traits to AMFR, 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
Motor delay	Always
Overactive lower leg reflex	Always
Thin corpus callosum	Often (30–79%)
Epilepsy	Sometimes (5–29%)
Febrile seizure (within the age range of 3 months to 6 years)	Sometimes (5–29%)
Intellectual disability, mild	Sometimes (5–29%)

Abnormality of the musculoskeletal system

Trait	How often it is seen
Spastic paraplegia	Always
Low muscle tone in trunk	Sometimes (5–29%)

Abnormality of head or neck

Trait	How often it is seen
Abnormally small head	Sometimes (5–29%)

Growth abnormality

Trait	How often it is seen
Prenatal growth deficiency	Sometimes (5–29%)

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 AMFR and how often each is seen. Find out more at hpo.jax.org.

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