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Skeletal muscle channelopathy

STR: CNBP_CCTG

Amber List (moderate evidence)
Chromosome: 3
GRCh37 Position: 128891420-128891499
GRCh38 Position: 129172577-129172656
Repeated Sequence: CCTG
Normal Number of Repeats: < 27
Pathogenic Number of Repeats: = or > 75

CNBP (CCHC-type zinc finger nucleic acid binding protein)
EnsemblGeneIds (GRCh38): ENSG00000169714
EnsemblGeneIds (GRCh37): ENSG00000169714
OMIM: 116955, Gene2Phenotype
CNBP is in 0 panels

5 reviews

Achchuthan Shanmugasundram (Genomics England Curator)

The repeated sequence of this STR has been updated from 'CAGG' to 'CCTG' to match the sequence on the coding strand of the gene. This update was made following NHS Genomic Medicine Service approval.
Created: 10 Mar 2025, 11:14 a.m. | Last Modified: 10 Mar 2025, 11:14 a.m.
Panel Version: 3.6
After NHS Genomic Medicine Service consideration, the rating of this gene has not been changed and remains amber. This is because that regions and STRs are not included in wet lab panels as there are separate testing available for these within the Genomic Laboratory Hubs.
Created: 4 Dec 2024, 10:48 p.m. | Last Modified: 4 Dec 2024, 10:48 p.m.
Panel Version: 3.5
Created: 4 Dec 2024, 10:48 p.m.
Last Modified: 4 Dec 2024, 10:48 p.m.
Panel version: 3.6

Sarah Leigh (Genomics England Curator)

Green List (high evidence)

As STR: CNBP_CCTG has been reviewed and confirmed by the NHS Genomic Medicine Service, it can be rated as Green on this panel.
Created: 23 Jan 2024, 2:47 p.m. | Last Modified: 23 Jan 2024, 2:47 p.m.
Panel Version: 3.3
Created: 23 Jan 2024, 2:47 p.m.
Last Modified: 23 Jan 2024, 2:47 p.m.
Panel version: 3.3

Eleanor Williams (Genomics England Curator)

Added the tag of Q4_21_rating as this STR only had an expert review tag and would not be picked up for a GMS report with just that.
Created: 3 Oct 2022, 1:13 p.m. | Last Modified: 3 Oct 2022, 1:13 p.m.
Panel Version: 1.39
STR repeat lengths have been reviewed and confirmed by the NHS Genomic Medicine Service.
Created: 15 Mar 2022, 12:53 p.m. | Last Modified: 15 Mar 2022, 12:53 p.m.
Panel Version: 1.39
Created: 15 Mar 2022, 12:53 p.m.
Last Modified: 15 Mar 2022, 12:53 p.m.
Panel version: 1.39

Arina Puzriakova (Genomics England Curator)

Red List (low evidence)

The rating of this STR has been updated to Red following NHS Genomic Medicine Service approval.
Created: 1 Feb 2023, 3:15 p.m. | Last Modified: 1 Feb 2023, 3:15 p.m.
Panel Version: 2.1
Tagged for GMS review as currently the performance of the pipeline for this STR is very poor on this locus and has not been validated for NGS. As this is a WGS panel this STR may need to be demoted to Red, which is also in line with the rating on other panels.
Created: 9 Nov 2021, 1:47 p.m. | Last Modified: 9 Nov 2021, 1:47 p.m.
Panel Version: 1.33
Created: 9 Nov 2021, 1:47 p.m.
Last Modified: 9 Nov 2021, 1:47 p.m.
Panel version: 2.1

Louise Daugherty (Genomics England Curator)

Green List (high evidence)

As discussed in PanelApp team meeting a new tag "NGS Not Validated". This STR currently has not be validated within the Genomics England pipeline.
Created: 12 Nov 2019, 3:34 p.m. | Last Modified: 12 Nov 2019, 3:34 p.m.
Panel Version: 0.26
STR added as part of the GMS. This STR is tested routinely using PCR-based methods in the NHS. It should be noted that this STR is currently not offered as part of the 100K RD Skeletal muscle channelopathy panel as is currently difficult to report this STR using the WGS EH pipeline because of the complex locus
Sources: Expert list
Created: 8 Nov 2019, 3:32 p.m. | Last Modified: 8 Nov 2019, 3:55 p.m.
Panel Version: 0.26

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Myotonic dystrophy 2, 602668

Publications

Created: 8 Nov 2019, 3:32 p.m.
Last Modified: 8 Nov 2019, 3:55 p.m.
Panel version: 0.26

Details

Name
CNBP_CCTG
Chromosome
3
GRCh37 Coordinates
128891420-128891499
GRCh38 Coordinates
129172577-129172656
Repeated Sequence
CCTG
Normal Number of Repeats: <
27
Pathogenic Number of Repeats: = or >
75
Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Amber
  • NHS GMS
  • Expert list
Phenotypes
  • Myotonic dystrophy 2, OMIM:602668
  • Myotonic dystrophy type 2, MONDO:0011266
Tags
STR
OMIM
116955
Clinvar variants
Variants in CNBP
Penetrance
None
Publications

History Filter Activity

10 Mar 2025, Gel status: 2

Changed Repeated Sequence

Achchuthan Shanmugasundram (Genomics England Curator)

Repeated Sequence for CNBP_CCTG was changed from CAGG to CCTG.

4 Dec 2024, Gel status: 2

Removed Tag

Achchuthan Shanmugasundram (Genomics England Curator)

Tag Q1_24_promote_green was removed from STR: CNBP_CCTG.

23 Jan 2024, Gel status: 2

Entity classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

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

23 Jan 2024, Gel status: 2

Entity classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

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

23 Jan 2024, Gel status: 1

Removed Tag, Added Tag

Sarah Leigh (Genomics England Curator)

Tag NGS Not Validated was removed from STR: CNBP_CCTG. Tag Q1_24_promote_green tag was added to STR: CNBP_CCTG.

1 Feb 2023, Gel status: 1

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Str: cnbp_cctg has been classified as Red List (Low Evidence).

1 Feb 2023, Gel status: 3

Removed Tag, Removed Tag

Arina Puzriakova (Genomics England Curator)

Tag Q4_21_expert_review was removed from STR: CNBP_CCTG. Tag Q4_21_rating was removed from STR: CNBP_CCTG.

3 Oct 2022, Gel status: 3

Added Tag

Eleanor Williams (Genomics England Curator)

Tag Q4_21_rating tag was added to STR: CNBP_CCTG.

10 Mar 2022, Gel status: 3

Changed Normal Number of Repeats, Added New Source

Arina Puzriakova (Genomics England Curator)

Normal Number of Repeats for CNBP_CCTG was changed from 26 to 27. Source NHS GMS was added to STR: CNBP_CCTG.

9 Nov 2021, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag Q4_21_expert_review tag was added to STR: CNBP_CCTG.

24 Nov 2020, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag STR tag was added to STR: CNBP_CCTG.

24 Nov 2020, Gel status: 3

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for STR: CNBP_CCTG were changed from Myotonic dystrophy 2, OMIM:602668; Myotonic dystrophy type 2, MONDO:0011266 to Myotonic dystrophy 2, OMIM:602668; Myotonic dystrophy type 2, MONDO:0011266

24 Nov 2020, Gel status: 3

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for STR: CNBP_CCTG were changed from Myotonic dystrophy 2, 602668 to Myotonic dystrophy 2, OMIM:602668; Myotonic dystrophy type 2, MONDO:0011266

12 Nov 2019, Gel status: 3

Added Tag

Louise Daugherty (Genomics England Curator)

Tag NGS Not Validated tag was added to STR: CNBP_CCTG.

8 Nov 2019, Gel status: 3

Entity classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

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

8 Nov 2019, Gel status: 1

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

Louise Daugherty (Genomics England Curator)

STR: CNBP_CCTG was added STR: CNBP_CCTG was added to Myotonia congenita. Sources: Expert list Mode of inheritance for STR: CNBP_CCTG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for STR: CNBP_CCTG were set to 18807109 Phenotypes for STR: CNBP_CCTG were set to Myotonic dystrophy 2, 602668 Review for STR: CNBP_CCTG was set to GREEN