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Severe microcephaly

Gene: ATP11A

Red List (low evidence)

ATP11A (ATPase phospholipid transporting 11A)
EnsemblGeneIds (GRCh38): ENSG00000068650
EnsemblGeneIds (GRCh37): ENSG00000068650
OMIM: 605868, Gene2Phenotype
ATP11A is in 4 panels

2 reviews

Ivone Leong (Genomics England Curator)

Comment on list classification: New gene added by Zornitza Stark (Australian Genomics). This gene is not associated with a phenotype in OMIM or Gene2Phenotype. There is currently only 1 case and a mouse model which showed neurological deficit phenotypes (including tremors, abnormal gait, hind limb clasping and reduction in brain size. The patient was a 26 yo male born to healthy non-consanguineous Japanese parents. At birth his length was -3.3. SD and OFC was -1.3 SD. Developed epilepsy at 2 weeks followed by global developmental delay and mild hypothyroidism and cataracts.He suffered gradual lost of developmental milestones. At 18 yo, height was -4.6 SD and OFC was -4.0 SD.

As the mouse model did not show signs of microcephaly, there is currently not enough evidence to support a gene-disease association, this gene has been given an Red rating.
Created: 13 Oct 2021, 12:10 p.m. | Last Modified: 13 Oct 2021, 12:12 p.m.
Panel Version: 2.259

Zornitza Stark (Australian Genomics)

I don't know

PMID: 34403372:
- Single de novo missense variant reported in a patient with developmental delay and neurological deterioration.
- Patient MRI showed severe cerebral atrophy, ventriculomegaly, hypomyelination leukodystrophy, thinned corpus callosum. Axonal neuropathy suggested.
- K/I heterozygous mice died perinatally.
- Functional studies on missense variant show plasma membrane lipid content impairment, reduced ATPase activity etc.

gnomAD: some NMD PTCs present, good quality variants found with 4-5 hets.
Sources: Literature
Created: 11 Oct 2021, 9:24 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Neurodevelopmental disorder



Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Expert Review Red
  • Literature
  • Neurodevelopmental disorder
Clinvar variants
Variants in ATP11A
Panels with this gene

History Filter Activity

13 Oct 2021, Gel status: 1

Entity classified by Genomics England curator

Ivone Leong (Genomics England Curator)

Gene: atp11a has been classified as Red List (Low Evidence).

13 Oct 2021, Gel status: 2

Created, Added New Source, Added Tag, Set mode of inheritance, Set publications, Set Phenotypes

Ivone Leong (Genomics England Curator)

gene: ATP11A was added gene: ATP11A was added to Severe microcephaly. Sources: Expert Review Amber,Literature watchlist tags were added to gene: ATP11A. Mode of inheritance for gene: ATP11A was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for gene: ATP11A were set to 34403372 Phenotypes for gene: ATP11A were set to Neurodevelopmental disorder