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  3. TUBB
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Early onset or syndromic epilepsy

Gene: TUBB

Amber List (moderate evidence)
TUBB (tubulin beta class I)
EnsemblGeneIds (GRCh38): ENSG00000196230
EnsemblGeneIds (GRCh37): ENSG00000196230
OMIM: 191130, Gene2Phenotype
TUBB is in 11 panels

3 reviews

Tracy Lester (Genetics laboratory, Oxford UK)

I don't know

Seizures rarely reported with this gene- however, this could be due to bias of assertainment. If testing for other tubulin genes it would make sense to test for this gene.Phenotypes for this gene include circumferential skin creases Kunze type, microcephaly and cerebral abnormalities. Very few variants reported to date.
Created: 6 Aug 2019, 8:31 p.m. | Last Modified: 6 Aug 2019, 8:31 p.m.
Panel Version: 1.188

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Cortical dysplasia complex with other brain malformations 6, 615771; Symmetric circumferential skin creases congenital 1, 156610

Publications

Created: 6 Aug 2019, 8:31 p.m.
Last Modified: 6 Aug 2019, 8:31 p.m.
Panel version: 1.188

Rebecca Foulger (Genomics England curator)

I don't know

Review and rating collated by Tracy Lester (Oxford Medical Genetics Laboratories Oxford University Hospitals NHS Foundation Trust, 2019_02_06) on behalf of Wessex and West Midlands GLH for GMS Neurology specialist test group, for Clinical Indication R59 'Early onset or syndromic epilepsy'. Review contributors: Alison Callaway and John Taylor. Suggested gene rating: Amber.
Created: 6 Aug 2019, 8:38 p.m. | Last Modified: 6 Aug 2019, 8:38 p.m.
Panel Version: 1.189
Comment when marking as ready: Amber rating appropriate based on current reported phenotypes. Require additional seizure evidence before rating as Green.
Created: 24 Sep 2018, 8:40 a.m.
Comment on list classification: Although TUBB has a Green expert review, have kept rating as Amber on phenotypic grounds, following advice from Helen Brittain. Seizures are not listed in the clinical synopsis for this particular cortical malformation disorder (MIM:615771), and although variants in other tubulin genes are linked to seizures, according to PMID:25008804 (2015), mutations in the TUBB gene have been described in three unrelated cases, none showing epilepsy. Added 'watchlist' tag to identify additional cases.
Created: 24 Sep 2018, 8:38 a.m.
Created: 24 Sep 2018, 8:38 a.m.

Panel version: 1.189

Zornitza Stark (Australian Genomics)

Green List (high evidence)

Seizures are part of the phenotype in this brain development disorder.
Created: 22 Aug 2018, 7:25 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Cortical dysplasia, complex, with other brain malformations 6, MIM#615771

Variants in this GENE are reported as part of current diagnostic practice

Created: 22 Aug 2018, 7:25 a.m.

Panel version: 0.335

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Wessex and West Midlands GLH
  • NHS GMS
  • Expert Review Amber
  • Victorian Clinical Genetics Services
Phenotypes
  • Cortical dysplasia, complex, with other brain malformations 6, 615771
Tags
watchlist
OMIM
191130
Clinvar variants
Variants in TUBB
Penetrance
None
Panels with this gene

History Filter Activity

6 Aug 2019, Gel status: 2

Added New Source

Rebecca Foulger (Genomics England curator)

Source Wessex and West Midlands GLH was added to TUBB.

6 Aug 2019, Gel status: 2

Added New Source

Rebecca Foulger (Genomics England curator)

Source NHS GMS was added to TUBB.

11 Dec 2018, Gel status: 2

Panel promoted to version 1.0

Sarah Leigh (Genomics England Curator)

Zornitza Stark: Seizures are part of the pheno

24 Sep 2018, Gel status: 2

Entity classified by Genomics England curator

Rebecca Foulger (Genomics England curator)

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

24 Sep 2018, Gel status: 2

Added Tag

Rebecca Foulger (Genomics England curator)

Tag watchlist tag was added to gene: TUBB.

24 Sep 2018, Gel status: 2

Set mode of inheritance

Rebecca Foulger (Genomics England curator)

Mode of inheritance for gene: TUBB was changed from to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

24 Sep 2018, Gel status: 2

Entity classified by Genomics England curator

Rebecca Foulger (Genomics England curator)

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

20 Sep 2018, Gel status: 2

Set Phenotypes

Rebecca Foulger (Genomics England curator)

Phenotypes for gene: TUBB were changed from to Cortical dysplasia, complex, with other brain malformations 6, 615771

25 Jun 2018, Gel status: 2

Added New Source

Sarah Leigh (Genomics England Curator)

Expert Review Amber was added to TUBB. Panel: Genetic Epilepsy Syndromes

25 Jun 2018, Gel status: 1

Added New Source

Sarah Leigh (Genomics England Curator)

TUBB was added to Genetic Epilepsy Syndromes panel. Sources: Victorian Clinical Genetics Services

25 Jun 2018, Gel status: 1

Created

Sarah Leigh (Genomics England Curator)

TUBB was created by Sarah Leigh