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Traits

Traits linked to LAS1L

LAS1 like ribosome biogenesis factor

The Human Phenotype Ontology links 33 traits to LAS1L, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the nervous system

TraitHow often it is seen
Intellectual disabilityAlways
Can't control feelingsVery often (80–99%)
Global developmental delayVery often (80–99%)
Poor speechVery often (80–99%)
StutteringOften (30–79%)
Absent speech developmentSometimes (5–29%)
EpilepsySometimes (5–29%)
Specific learning disabilitySometimes (5–29%)
Delayed speech and language developmentNot recorded

Abnormality of head or neck

TraitHow often it is seen
Thick eyebrowAlways
Abnormal facial shapeVery often (80–99%)
Broad nasal tipVery often (80–99%)
Little lower jawVery often (80–99%)
Malar prominenceVery often (80–99%)
Prominent browVery often (80–99%)
Thin red part of the upper lipVery often (80–99%)
Abnormally small headSometimes (5–29%)

Abnormality of limbs

TraitHow often it is seen
Dropped archesVery often (80–99%)
High-arched footVery often (80–99%)
Short footVery often (80–99%)
Small handVery often (80–99%)
Tapered fingerVery often (80–99%)

Abnormality of the eye

TraitHow often it is seen
Deeply set eyeVery often (80–99%)
Clouding of the lens of the eyeNot recorded
FarsightednessNot recorded

Growth abnormality

TraitHow often it is seen
ObesityVery often (80–99%)
Short statureVery often (80–99%)
Truncal obesityVery often (80–99%)

Abnormality of the ear

TraitHow often it is seen
Small earsVery often (80–99%)
Uplifted earlobeNot recorded

Abnormality of the breast

TraitHow often it is seen
Enlarged male breastVery often (80–99%)

Abnormality of the endocrine system

TraitHow often it is seen
Hypogonadotropic hypogonadismOften (30–79%)

Abnormality of the genitourinary system

TraitHow often it is seen
Undescended testesVery often (80–99%)

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 LAS1L and how often each is seen. Find out more at hpo.jax.org.

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