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  3. EPM2A
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Early onset or syndromic epilepsy

Gene: EPM2A

Green List (high evidence)
EPM2A (EPM2A, laforin glucan phosphatase)
EnsemblGeneIds (GRCh38): ENSG00000112425
EnsemblGeneIds (GRCh37): ENSG00000112425
OMIM: 607566, Gene2Phenotype
EPM2A is in 12 panels

7 reviews

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: John Taylor and Helen Lord. Suggested gene rating: Green.
Created: 6 Aug 2019, 8:38 p.m. | Last Modified: 6 Aug 2019, 8:38 p.m.
Panel Version: 1.189
Created: 6 Aug 2019, 8:38 p.m.
Last Modified: 6 Aug 2019, 8:38 p.m.
Panel version: 1.189

Tracy Lester (Genetics laboratory, Oxford UK)

Green List (high evidence)

AR progressive myoclonic epilepsy 2A (Lafora) EPM2. Generalised seizures which gradually worsen and become intractable. Minassin et al, 1998 - in 10 families with myocloinc epilepsy - 6 distinct DNA seq variations in EPM2A and 1 hom microdeletion each segregating with disease. On HGMD Pro - 0ver 80 reported variants in association with epilepsy incl Gomez-Garre 2000 - 11 novel mutations in the EPM2A gene. Mutatons seen include missense, nonsense, del, ins and gross del.
Created: 6 Aug 2019, 8:31 p.m. | Last Modified: 6 Aug 2019, 8:31 p.m.
Panel Version: 1.188

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Epilepsy, progressive myoclonic 2A (Lafora),254780

Publications

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

Sarah Leigh (Genomics England Curator)

Comment on list classification: Associated with phenotype in OMIM and not in Gen2Phen. At least 8 variants identified in unrelated cases.
Created: 21 Jun 2018, 9:01 a.m.
Created: 21 Jun 2018, 9:01 a.m.

Panel version: 0.142

Amy McTague (UCL Institute of Child Health)

Red List (low evidence)

Created: 5 Nov 2017, 2:41 a.m.

Panel version: Imported from Epileptic encephalopathy panel version 0

Natalie Trump (NHS - Great Ormond Street Hospital)

Red List (low evidence)

Created: 5 Nov 2017, 2:41 a.m.

Panel version: Imported from Epileptic encephalopathy panel version 0

Manju Kurian (UCL-Institute of Child Health)

Red List (low evidence)

Created: 5 Nov 2017, 2:41 a.m.

Panel version: Imported from Epileptic encephalopathy panel version 0

Richard Scott (North Thames GMC/UCL)

Red List (low evidence)

Created: 5 Nov 2017, 2:41 a.m.

Panel version: Imported from Epileptic encephalopathy panel version 0

History Filter Activity

26 Mar 2025, Gel status: 3

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: EPM2A were changed from Epilepsy, progressive myoclonic 2A (Lafora) 254780 to Myoclonic epilepsy of Lafora 1, OMIM:254780

6 Aug 2019, Gel status: 3

Added New Source

Rebecca Foulger (Genomics England curator)

Source Wessex and West Midlands GLH was added to EPM2A.

6 Aug 2019, Gel status: 3

Added New Source

Rebecca Foulger (Genomics England curator)

Source NHS GMS was added to EPM2A.

11 Dec 2018, Gel status: 4

Panel promoted to version 1.0

Sarah Leigh (Genomics England Curator)

Sarah Leigh: Comment on list classification

26 Jun 2018, Gel status: 4

Added New Source

Sarah Leigh (Genomics England Curator)

NIHRBR-RD Consortium SPEED_v3.0_20170404 was added to EPM2A. Panel: Genetic Epilepsy Syndromes

25 Jun 2018, Gel status: 4

Added New Source

Sarah Leigh (Genomics England Curator)

Victorian Clinical Genetics Services was added to EPM2A. Panel: Genetic Epilepsy Syndromes

21 Jun 2018, Gel status: 3

Entity classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

Gene: epm2a has been classified as Green List (High Evidence).

21 Jun 2018, Gel status: 1

Set publications

Sarah Leigh (Genomics England Curator)

Publications for gene: EPM2A were set to 14722920; 10932264; 16134145; 11175283

21 Jun 2018, Gel status: 1

Set mode of inheritance

Sarah Leigh (Genomics England Curator)

Mode of inheritance for gene: EPM2A was changed from to BIALLELIC, autosomal or pseudoautosomal

21 Jun 2018, Gel status: 1

Set Phenotypes

Sarah Leigh (Genomics England Curator)

Phenotypes for gene: EPM2A were set to Epilepsy, progressive myoclonic 2A (Lafora) 254780

4 Apr 2018, Gel status: 1

Added New Source

Sarah Leigh (Genomics England Curator)

EPM2A was added to Genetic Epilepsy Syndromes panel. Sources: Expert Review Red,Expert

4 Apr 2018, Gel status: 1

Created

Sarah Leigh (Genomics England Curator)

EPM2A was created by Sarah Leigh