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Neurodegenerative disorders - adult onset

STR: FXN_GAA

Amber List (moderate evidence)

Chromosome: 9
GRCh37 Position: 71652203-71652220
GRCh38 Position: 69037287-69037304
Repeated Sequence: GAA
Normal Number of Repeats: < or = 44
Pathogenic Number of Repeats: = or > 66

FXN (frataxin)
EnsemblGeneIds (GRCh38): ENSG00000165060
EnsemblGeneIds (GRCh37): ENSG00000165060
OMIM: 606829, Gene2Phenotype
FXN is in 18 panels

2 reviews

Arina Puzriakova (Genomics England Curator)

Comment on list classification: Downgraded from Green to Amber as this STR was not listed on the recent GMS STRs document supplied by Jane Deller (NHS England) on behalf of GLHs for the GMS Neurology Test Group
Created: 8 Oct 2020, 9:28 a.m. | Last Modified: 8 Oct 2020, 9:28 a.m.
Panel Version: 2.28

Louise Daugherty (Genomics England Curator)

Red List (low evidence)

Red rating for STR submitted on behalf of Nick Beauchamp (Sheffield Diagnostic genetics Service), on behalf of Yorkshire and North East GLH for GMS Neurology specialist test group. Indicated that variants are NOT reported as part of the current diagnostic practice. Comment: Neurodegeneration not feature of disease.
Created: 23 Jul 2019, 4:56 p.m. | Last Modified: 23 Jul 2019, 4:56 p.m.
Panel Version: 1.75
Source PanelApp panels : Hereditary spastic paraplegia v1.143, Hereditary ataxia v1.150
Sources: Expert list
Created: 21 Dec 2018, 9:17 a.m.

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Friedreich ataxia 229300

Details

Name
FXN_GAA
Chromosome
9
GRCh37 Coordinates
71652203-71652220
GRCh38 Coordinates
69037287-69037304
Repeated Sequence
GAA
Normal Number of Repeats: < or =
44
Pathogenic Number of Repeats: = or >
66
Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Amber
  • Yorkshire and North East GLH
  • Expert list
Phenotypes
  • Friedreich ataxia 229300
Tags
STR for-review
OMIM
606829
Clinvar variants
Variants in FXN
Penetrance
None

History Filter Activity

8 Oct 2020, Gel status: 2

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Str: fxn_gaa has been classified as Amber List (Moderate Evidence).

8 Oct 2020, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag for-review tag was added to STR: FXN_GAA.

23 Jul 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

Source Yorkshire and North East GLH was added to STR: FXN_GAA.

25 Jan 2019, Gel status: 3

Panel promoted to version 1.0

Louise Daugherty (Genomics England Curator)

Louise Daugherty: Source PanelApp panels : Hered

21 Dec 2018, Gel status: 3

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Str: fxn_gaa has been classified as Green List (High Evidence).

21 Dec 2018, Gel status: 1

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

Louise Daugherty (Genomics England Curator)

STR: FXN_GAA was added STR: FXN_GAA was added to Neurodegenerative disorders - adult onset. Sources: Expert list STR tags were added to STR: FXN_GAA. Mode of inheritance for STR: FXN_GAA was set to BIALLELIC, autosomal or pseudoautosomal Phenotypes for STR: FXN_GAA were set to Friedreich ataxia 229300 Review for STR: FXN_GAA was set to GREEN