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Intellectual disability

Gene: H3F3B

Green List (high evidence)
H3F3B (H3 histone family member 3B)
EnsemblGeneIds (GRCh38): ENSG00000132475
EnsemblGeneIds (GRCh37): ENSG00000132475
OMIM: 601058, Gene2Phenotype
H3F3B is in 4 panels

4 reviews

Sarah Leigh (Genomics England Curator)

The rating of this gene has been updated following NHS Genomic Medicine Service approval.
Created: 9 Mar 2022, 3:40 p.m. | Last Modified: 9 Mar 2022, 3:40 p.m.
Panel Version: 3.1510
Created: 9 Mar 2022, 3:40 p.m.
Last Modified: 9 Mar 2022, 3:40 p.m.
Panel version: 3.1510

Arina Puzriakova (Genomics England Curator)

Green List (high evidence)

Comment on list classification: Upgraded from Red to Amber, but there is sufficient evidence to promoted to Green at the next GMS panel update (added 'for-review' tag).

Multiple unrelated cases (at least 12) with GDD/ID associated with de novo variants in this gene.
Created: 22 Dec 2020, 5:12 p.m. | Last Modified: 22 Dec 2020, 5:12 p.m.
Panel Version: 3.674
Currently not associated with any phenotype in OMIM or Gene2Phenotype.

- PMID: 33268356 (2020) - De novo missense variants identified in 13 unrelated individuals with a shared phenotype of GDD/ID, usually severe and often progressive, with mostly minor congenital anomalies. One individual was reported to have a normal IQ at 15 years. 8/13 patients showed abnormalities on brain MRI including hypomyelination (5), cortical atrophy (4), arachnoid cysts (3), and a thin corpus collosum (2). Variable seizure phenotypes were reported in 6/13 cases, all early-onset where specified, mostly during infancy (latest onset at 10 years of age).
Created: 22 Dec 2020, 5:10 p.m. | Last Modified: 22 Dec 2020, 5:16 p.m.
Panel Version: 3.677

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Developmental delay; Neurodegeneration; Epilepsy; Facial dysmorphism; Congenital anomalies

Publications

Created: 22 Dec 2020, 5:10 p.m.
Last Modified: 22 Dec 2020, 5:16 p.m.
Panel version: 3.673

Zornitza Stark (Australian Genomics)

Green List (high evidence)

13 unrelated individuals reported with missense variants in H3F3B. Phenotype primarily comprised intellectual disability and minor congenital anomalies, regression in significant proportion. Seizures in 50%.
Created: 9 Dec 2020, 7:33 a.m. | Last Modified: 9 Dec 2020, 7:33 a.m.
Panel Version: 3.644

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Intellectual disability; regression; seizures

Publications

Created: 9 Dec 2020, 7:33 a.m.
Last Modified: 9 Dec 2020, 7:33 a.m.
Panel version: 3.644

Louise Daugherty (Genomics England Curator)

Added new-gene-name tag, new approved HGNC gene symbol for H3F3B is H3-3B
Created: 6 Sep 2019, 3:53 p.m. | Last Modified: 6 Sep 2019, 3:53 p.m.
Panel Version: 2.1022
Created: 6 Sep 2019, 3:53 p.m.
Last Modified: 6 Sep 2019, 3:53 p.m.
Panel version: 2.1022

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Developmental delay
  • Intellectual disability
  • Neurodegeneration
  • Epilepsy
  • Facial dysmorphism
  • Congenital anomalies
Tags
new-gene-name
OMIM
601058
Clinvar variants
Variants in H3F3B
Penetrance
None
Publications
Panels with this gene

History Filter Activity

10 Mar 2022, Gel status: 3

Removed Tag

Arina Puzriakova (Genomics England Curator)

Tag for-review was removed from gene: H3F3B.

9 Mar 2022, Gel status: 3

Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

Source Expert Review Green was added to H3F3B. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

22 Dec 2020, Gel status: 2

Set publications

Arina Puzriakova (Genomics England Curator)

Publications for gene: H3F3B were set to

22 Dec 2020, Gel status: 2

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: H3F3B were changed from to Developmental delay; Intellectual disability; Neurodegeneration; Epilepsy; Facial dysmorphism; Congenital anomalies

22 Dec 2020, Gel status: 2

Set mode of inheritance

Arina Puzriakova (Genomics England Curator)

Mode of inheritance for gene: H3F3B was changed from to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

22 Dec 2020, Gel status: 2

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Gene: h3f3b has been classified as Amber List (Moderate Evidence).

22 Dec 2020, Gel status: 1

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag for-review tag was added to gene: H3F3B.

6 Sep 2019, Gel status: 1

Added Tag

Louise Daugherty (Genomics England Curator)

Tag new-gene-name tag was added to gene: H3F3B.

28 Sep 2018, Gel status: 1

Created, Added New Source, Set mode of inheritance

Louise Daugherty (Genomics England Curator)

gene: H3F3B was added gene: H3F3B was added to Intellectual disability. Sources: Victorian Clinical Genetics Services Mode of inheritance for gene: H3F3B was set to