Traits

Traits linked to KITLG

KIT ligand

The Human Phenotype Ontology links 22 traits to KITLG, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the integument

Trait	How often it is seen
Birthmark	Always
Hyperpigmented skin patches	Always
Patchy lightened skin	Always
Loss of hair color	Very often (80–99%)
Premature graying of hair	Very often (80–99%)
Patchy loss of skin color	Often (30–79%)
White hair	Often (30–79%)
White part of hair above forehead	Often (30–79%)
Blotchy loss of skin color	Sometimes (5–29%)
Hyperkeratosis	Not recorded
Liver spots	Not recorded
Progressive hyperpigmentation	Not recorded

Abnormality of the ear

Trait	How often it is seen
Congenital sensorineural hearing impairment	Always
Hearing impairment	Very often (80–99%)
Sensorineural hearing impairment	Very often (80–99%)

Abnormality of the eye

Trait	How often it is seen
Blue eyes	Always
Different colored eyes	Often (30–79%)
Drooping upper eyelid	Sometimes (5–29%)

Abnormality of head or neck

Trait	How often it is seen
Corners of eye widely separated	Always

Abnormality of the cardiovascular system

Trait	How often it is seen
Abnormality of lung artery	Sometimes (5–29%)

Abnormality of the digestive system

Trait	How often it is seen
Enlarged colon lacking nerve cells	Sometimes (5–29%)

Abnormality of the genitourinary system

Trait	How often it is seen
Abnormality of the kidney	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 KITLG and how often each is seen. Find out more at hpo.jax.org.

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