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Neurodegenerative disorders - adult onset

STR: HTT_CAG

Green List (high evidence)

Chromosome: 4
GRCh37 Position: 3076604-3076666
GRCh38 Position: 3074877-3074939
Repeated Sequence: CAG
Normal Number of Repeats: < or = 40
Pathogenic Number of Repeats: = or > 40

HTT (huntingtin)
EnsemblGeneIds (GRCh38): ENSG00000197386
EnsemblGeneIds (GRCh37): ENSG00000197386
OMIM: 613004, Gene2Phenotype
HTT is in 17 panels

1 review

Louise Daugherty (Genomics England Curator)

Green List (high evidence)

Green 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 reported as part of the current diagnostic practice.
Created: 23 Jul 2019, 4:58 p.m. | Last Modified: 23 Jul 2019, 4:58 p.m.
Panel Version: 1.75
Green rating for STR submitted on behalf of James Polke (North Bristol NHS Trust), also indicated that variants are reported as part of the current diagnostic practice, on behalf of London North GLH for GMS Neurology specialist test group.
Created: 24 Apr 2019, 2:35 p.m.
Source PanelApp panels : Hereditary spastic paraplegia v1.143, Parkinson Disease and Complex Parkinsonism v1.64, Early onset dementia (encompassing fronto-temporal dementia and prion disease) v1.46, Hereditary ataxia v1.150
Sources: Expert list
Created: 21 Dec 2018, 9:07 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Huntington disease 143100

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

Details

Name
HTT_CAG
Chromosome
4
GRCh37 Coordinates
3076604-3076666
GRCh38 Coordinates
3074877-3074939
Repeated Sequence
CAG
Normal Number of Repeats: < or =
40
Pathogenic Number of Repeats: = or >
40
Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Yorkshire and North East GLH
  • NHS GMS
  • London North GLH
  • Expert Review Green
  • Expert list
Phenotypes
  • Huntington disease 143100
Tags
STR
OMIM
613004
Clinvar variants
Variants in HTT
Penetrance
None

History Filter Activity

23 Jul 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

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

9 Jul 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

Source NHS GMS was added to STR: HTT_CAG.

9 Jul 2019, Gel status: 3

Added New Source

Louise Daugherty (Genomics England Curator)

Source London North GLH was added to STR: HTT_CAG.

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: htt_cag 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: HTT_CAG was added STR: HTT_CAG was added to Neurodegenerative disorders - adult onset. Sources: Expert list STR tags were added to STR: HTT_CAG. Mode of inheritance for STR: HTT_CAG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Phenotypes for STR: HTT_CAG were set to Huntington disease 143100 Review for STR: HTT_CAG was set to GREEN