Traits

Traits linked to KIF3B

kinesin family member 3B

The Human Phenotype Ontology links 13 traits to KIF3B, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the eye

Trait	How often it is seen
Abnormal light-adapted flicker electroretinogram	Not recorded
Difficulties with night vision	Not recorded
Hyperautofluorescent retinal lesion	Not recorded
Limited peripheral vision	Not recorded
Retinal thinning	Not recorded
Rod-cone dystrophy	Not recorded

Abnormality of the digestive system

Trait	How often it is seen
Enlarged vein in esophagus	Sometimes (5–29%)
Hepatic fibrosis	Sometimes (5–29%)
Intrahepatic bile duct dilatation	Sometimes (5–29%)
Micronodular cirrhosis	Sometimes (5–29%)

Abnormality of the cardiovascular system

Trait	How often it is seen
Aortic valve has two leaflets rather than three	Sometimes (5–29%)
Enlarged liver and spleen	Sometimes (5–29%)

Abnormality of limbs

Trait	How often it is seen
Postaxial polydactyly	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 KIF3B and how often each is seen. Find out more at hpo.jax.org.

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