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Trait

Neonatal seizure

A seizure occurring within the neonatal period (28 days beyond the full term date).

HPO HP:0032807

Summary

Body system
Abnormality of the nervous system

12 genes linked to Neonatal seizure

Changes in these genes cause rare conditions in which Neonatal seizure is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

GeneHow often it is seenConditions
MCCC1methylcrotonyl-CoA carboxylase subunit 1AlwaysIn 1 condition
KCNQ2potassium voltage-gated channel subfamily Q member 2Very often (80–99%)In 3 conditions
KCNQ3potassium voltage-gated channel subfamily Q member 3Very often (80–99%)In 2 conditions
PRRT2proline rich transmembrane protein 2Very often (80–99%)In 1 condition
SCN2Asodium voltage-gated channel alpha subunit 2Very often (80–99%)In 2 conditions
SCN8Asodium voltage-gated channel alpha subunit 8Very often (80–99%)In 1 condition
CDKL5cyclin dependent kinase like 5Often (30–79%)In 1 condition
GABBR2gamma-aminobutyric acid type B receptor subunit 2Often (30–79%)In 1 condition
MECP2methyl-CpG binding protein 2Often (30–79%)In 1 condition
NTNG1netrin G1Often (30–79%)In 1 condition
SMC1Astructural maintenance of chromosomes 1AOften (30–79%)In 1 condition
EIF2AK2eukaryotic translation initiation factor 2 alpha kinase 2Sometimes (5–29%)In 1 condition

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.

Narrower traits

Broader traits

Epilepsy

Where this comes from

  • The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
  • Data release 2026.10.16-c6eea6bf.

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