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Newborns main panel

Gene: CHRNA1

Green List (high evidence)
CHRNA1 (cholinergic receptor nicotinic alpha 1 subunit)
EnsemblGeneIds (GRCh38): ENSG00000138435
EnsemblGeneIds (GRCh37): ENSG00000138435
OMIM: 100690, Gene2Phenotype
CHRNA1 is in 5 panels

2 reviews

Arina Puzriakova (Genomics England Curator)

Special Consideration: Newborns Variant Discussion (NVD) recommended.

Additional Information: Oxford Congenital Myasthenia Service have requested to be involved at the variant review stage. They will be able to assist with variant interpretation and initial management plans.
Created: 25 Sep 2024, 2:20 p.m. | Last Modified: 25 Sep 2024, 2:20 p.m.
Panel Version: 0.469
Special Consideration: Multiple MOIs for the same phenotype included.

Additional Information: AD (GOF) and AR (LOF) forms of Congenital myasthenic syndrome are included.
Created: 25 Sep 2024, 2:20 p.m. | Last Modified: 18 Nov 2025, 3:18 p.m.
Panel Version: 0.480
Created: 25 Sep 2024, 2:20 p.m.
Last Modified: 18 Nov 2025, 3:18 p.m.
Panel version: 0.469

Mafalda Gomes (Genomics England Curator)

The mechanisms of pathogenicity are loss-of-function (LOF) for autosomal recessive MOI and gain-of-function (GOF) for autosomal dominant MOI.
Created: 1 Jun 2023, 2:40 p.m. | Last Modified: 7 Jul 2023, 9:18 a.m.
Panel Version: 0.146
PMID: 36634413 - 13 recessive cases. PMID: 33216040 -1 dominant case PMID: 34999496 - 1 dominant case. PMID: 8872460 - 1 dominant case and 2 others from literature PMID: 27375219 - lists 9 dominant cases from lit in supplement
Created: 1 Jun 2023, 12:22 p.m. | Last Modified: 1 Jun 2023, 12:22 p.m.
Panel Version: 0.134
Created: 1 Jun 2023, 12:22 p.m.
Last Modified: 7 Jul 2023, 9:18 a.m.
Panel version: 0.137

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
Phenotypes
  • Congenital myasthenic syndrome-1, autosomal recessive
Tags
special_consideration
OMIM
100690
Clinvar variants
Variants in CHRNA1
Penetrance
None
Panels with this gene

History Filter Activity

25 Sep 2024, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag special_consideration tag was added to gene: CHRNA1.

6 Feb 2024, Gel status: 3

Set Phenotypes

Sarah Leigh (Genomics England Curator)

Phenotypes for gene: CHRNA1 were changed from Congenital myasthenic syndrome-1 to Congenital myasthenic syndrome-1, autosomal recessive

14 Sep 2023, Gel status: 3

Set Phenotypes

Mafalda Gomes (Genomics England Curator)

Added phenotypes Congenital myasthenic syndrome-1 for gene: CHRNA1

5 Jul 2023, Gel status: 3

Added New Source, Set mode of inheritance, Set Phenotypes, Status Update

Mafalda Gomes (Genomics England Curator)

Source Expert Review Green was added to CHRNA1. Mode of inheritance for gene CHRNA1 was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal Added phenotypes Congenital myasthenic syndrome-1 for gene: CHRNA1 Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

31 May 2023, Gel status: 2

Added New Source, Set Phenotypes, Status Update

Mafalda Gomes (Genomics England Curator)

Source Expert Review Amber was added to CHRNA1. Added phenotypes Congenital myasthenic syndrome-1 for gene: CHRNA1 Rating Changed from No List (delete) to Amber List (moderate evidence)

27 Mar 2023, Gel status: 0

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

Mafalda Gomes (Genomics England Curator)

gene: CHRNA1 was added gene: CHRNA1 was added to Newborns main panel. Sources: Expert Review Removed Mode of inheritance for gene: CHRNA1 was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal Phenotypes for gene: CHRNA1 were set to Congenital myasthenic syndrome-1