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Traits

Traits linked to TBX21

T-box transcription factor 21

The Human Phenotype Ontology links 6 traits to TBX21, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the immune system

TraitHow often it is seen
AsthmaAlways
BCGosisAlways
Aspirin-induced asthmaNot recorded

Abnormality of blood and blood-forming tissues

TraitHow often it is seen
High blood eosinophil countAlways

Abnormality of head or neck

TraitHow often it is seen
Nasal polyposisNot recorded

Abnormality of the respiratory system

TraitHow often it is seen
BronchoconstrictionNot 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 TBX21 and how often each is seen. Find out more at hpo.jax.org.

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