Traits

Traits linked to PLCD1

phospholipase C delta 1

The Human Phenotype Ontology links 10 traits to PLCD1, 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
White discoloration of nails	Always
Abnormal fingernails	Very often (80–99%)
Abnormality of the toenail	Very often (80–99%)
Spoon-shaped nails	Not recorded

Abnormality of head or neck

Trait	How often it is seen
Adenoma sebaceum	Very often (80–99%)
Abnormal eyelashes	Often (30–79%)
Inflammation of eyelids	Often (30–79%)

Abnormality of the eye

Trait	How often it is seen
Extreme sensitivity of the eyes to light	Often (30–79%)

Abnormality of the genitourinary system

Trait	How often it is seen
Kidney stone	Very often (80–99%)

Laboratory abnormality

Trait	How often it is seen
Noninsulin-dependent diabetes	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 PLCD1 and how often each is seen. Find out more at hpo.jax.org.

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