Hereditary spastic paraplegia - childhood onset

STR: HTT_CAG

Amber List (moderate 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 18 panels

1 review

Louise Daugherty (Genomics England Curator)

I don't know

Comment on list classification: STR reviewed and discussed at the GMS Neurology Specialist Test Group Webex on 17th May Agreed to change the rating from Green to Amber. Further comment: risk element- needs further discussion from data analysis from 100K Genomes Project.
Created: 22 May 2019, 11:39 a.m.
Green rating for STR submitted on behalf of James Polke (North Bristol NHS Trust), on behalf of London North GLH for GMS Neurology specialist test group.
Created: 28 Apr 2019, 4:22 p.m.
Source PanelApp panels : Hereditary spastic paraplegia Version 1.141
Sources: Expert list
Created: 21 Dec 2018, 2:12 p.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Huntington disease 143100

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
Phenotypes
  • Huntington disease 143100
Tags
STR
OMIM
613004
Clinvar variants
Variants in HTT
Penetrance
None

History Filter Activity

22 May 2019, Gel status: 2

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

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

28 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

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

Str: htt_cag has been classified as Red List (Low 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 Hereditary spastic paraplegia - childhood 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