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  3. SIGMAR1
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Adult onset neurodegenerative disorder

Gene: SIGMAR1

Amber List (moderate evidence)
SIGMAR1 (sigma non-opioid intracellular receptor 1)
EnsemblGeneIds (GRCh38): ENSG00000147955
EnsemblGeneIds (GRCh37): ENSG00000147955
OMIM: 601978, Gene2Phenotype
SIGMAR1 is in 6 panels

4 reviews

Tracy Lester (Genetics laboratory, Oxford UK)

Red List (low evidence)

early-childhood onset of a neurologic disorder consistent with juvenile ALS, or Distal spinal muscular atrophy-2 is an autosomal recessive neuromuscular disorder characterized by onset of distal muscle weakness and wasting affecting the lower and upper limbs in the first decade. Both childhood onset - red
Created: 2 Sep 2019, 4:06 p.m. | Last Modified: 2 Sep 2019, 4:06 p.m.
Panel Version: 1.99

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Amyotrophic lateral sclerosis 16, juvenile, 614373

Created: 2 Sep 2019, 4:06 p.m.
Last Modified: 2 Sep 2019, 4:06 p.m.
Panel version: 1.99

Nick Beauchamp (Sheffield Diagnostic Genetics Service)

Green List (high evidence)

Includes variants in 3'UTR of gene.
Created: 23 Jul 2019, 3:35 p.m. | Last Modified: 23 Jul 2019, 3:35 p.m.
Panel Version: 1.72

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Amyotrophic lateral sclerosis 16, juvenile, 614373

Publications

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

Created: 23 Jul 2019, 3:35 p.m.
Last Modified: 23 Jul 2019, 3:35 p.m.
Panel version: 1.72

Louise Daugherty (Genomics England Curator)

I don't know

As discussed with the GMS Neurology Specialist Test Group webex call 11th September 2019: The Specialist Test Group all agreed that there is only enough evidence to rate this gene Amber
Created: 20 Sep 2019, 4:19 p.m. | Last Modified: 20 Sep 2019, 4:19 p.m.
Panel Version: 1.106
Review and rating from Tracy Lester (Oxford Medical Genetics Laboratories Oxford University Hospitals NHS Foundation Trust) on behalf of Wessex and West Midlands GLH for GMS Neurology specialist test group. All the green and amber, except for the genes with triplet repeats, were reviewed.
Created: 2 Sep 2019, 4:46 p.m. | Last Modified: 2 Sep 2019, 4:46 p.m.
Panel Version: 1.101
Review and rating submitted by Nick Beauchamp (Sheffield Diagnostic genetics Service), on behalf of Yorkshire and North East GLH for GMS Neurology specialist test group.
Created: 23 Jul 2019, 3:51 p.m. | Last Modified: 23 Jul 2019, 3:51 p.m.
Panel Version: 1.74
Review and rating submitted byJames Polke (North Bristol NHS Trust), unless specified in the review comment, on behalf of London North GLH for GMS Neurology specialist test group.
Created: 23 Apr 2019, 5:35 p.m.
Created: 23 Apr 2019, 5:35 p.m.

Panel version: 1.106

James Polke (Neurogenetics Laboratory, Institute of Neurology, London)

Green List (high evidence)

Created: 23 Apr 2019, 5:31 p.m.

Panel version: 1.10

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Amber
  • Wessex and West Midlands GLH
  • Yorkshire and North East GLH
  • NHS GMS
  • London North GLH
Phenotypes
  • ?Amyotrophic lateral sclerosis 16, juvenile, OMIM:614373
OMIM
601978
Clinvar variants
Variants in SIGMAR1
Penetrance
None
Publications
Panels with this gene

History Filter Activity

29 Mar 2021, Gel status: 2

Set Phenotypes

Ivone Leong (Genomics England Curator)

Phenotypes for gene: SIGMAR1 were changed from Amyotrophic lateral sclerosis 16, juvenile, 614373 to ?Amyotrophic lateral sclerosis 16, juvenile, OMIM:614373

20 Sep 2019, Gel status: 2

Added New Source, Status Update

Louise Daugherty (Genomics England Curator)

Source Expert Review Amber was added to SIGMAR1. Rating Changed from Green List (high evidence) to Amber List (moderate evidence)

2 Sep 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

Source Wessex and West Midlands GLH was added to SIGMAR1.

23 Jul 2019, Gel status: 3

Set publications

Louise Daugherty (Genomics England Curator)

Publications for gene SIGMAR1 were changed from PMID: 26078401 - c.151+1G>T variant in SIGMARI resulted in a 60 bp deletion in the transcript, and segrated with the distal hereditary motor neuropathy in a Chinese family.; PubMed: 21842496 - E102Q variant identified in a Saudi Arabian family to be associated with amyotrophic lateral sclerosis 16, juvenile; PMID: 26088964 is a commentary on PMID: 25678561 raising a lack of evidence for SIGMARI to be pathogenic, and that previous reports of patients with SIGMARI variants were also shown to harbour C9orf72 expansions; PMID: 26088963 - in reply, authors state that there is in vitro and in vivo evidence, and expression evidence, and that a case reported did not have the C9orf72 expansion; PMID: 26205306 one family report for association with Amyotrophic lateral sclerosis and c.672*31A>G (rs4879809) - the C9ORF72 repeat region in intron 1, previously implicated in a related phenotype, was excluded through linkage, and further confirmation of exclusion was obtained by amplifying intron 1 of C9ORF72 with multiple primers in affected individuals and controls to 26088964; 26078401; 21031579; 26088963; 21842496; 27821430

23 Jul 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

Source Yorkshire and North East GLH was added to SIGMAR1.

23 Apr 2019, Gel status: 4

Added New Source

Louise Daugherty (Genomics England Curator)

Source NHS GMS was added to SIGMAR1.

23 Apr 2019, Gel status: 4

Added New Source

Louise Daugherty (Genomics England Curator)

Source London North GLH was added to SIGMAR1.

25 Jan 2019, Gel status: 4

Panel promoted to version 1.0

Louise Daugherty (Genomics England Curator)

Louise Daugherty: Comment on phenotypes: amended

18 Dec 2018, Gel status: 4

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

Rebecca Foulger (Genomics England curator)

gene: SIGMAR1 was added gene: SIGMAR1 was added to Neurodegenerative disorders - adult onset. Sources: Expert Review Green Mode of inheritance for gene: SIGMAR1 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: SIGMAR1 were set to PMID: 26078401 - c.151+1G>T variant in SIGMARI resulted in a 60 bp deletion in the transcript, and segrated with the distal hereditary motor neuropathy in a Chinese family.; PubMed: 21842496 - E102Q variant identified in a Saudi Arabian family to be associated with amyotrophic lateral sclerosis 16, juvenile; PMID: 26088964 is a commentary on PMID: 25678561 raising a lack of evidence for SIGMARI to be pathogenic, and that previous reports of patients with SIGMARI variants were also shown to harbour C9orf72 expansions; PMID: 26088963 - in reply, authors state that there is in vitro and in vivo evidence, and expression evidence, and that a case reported did not have the C9orf72 expansion; PMID: 26205306 one family report for association with Amyotrophic lateral sclerosis and c.672*31A>G (rs4879809) - the C9ORF72 repeat region in intron 1, previously implicated in a related phenotype, was excluded through linkage, and further confirmation of exclusion was obtained by amplifying intron 1 of C9ORF72 with multiple primers in affected individuals and controls Phenotypes for gene: SIGMAR1 were set to Amyotrophic lateral sclerosis 16, juvenile, 614373