1. Panels
  2. Intellectual disability
  3. ISCA-37404-Loss
Genes in panel
Prev Next
Regions in panel
Prev Next

Intellectual disability

Region: ISCA-37404-Loss

15q11q13 recurrent (PWS/AS) region (BP1-BP3, Class 1) Loss

Green List (high evidence)
Chromosome: 15
GRCh38 Position: 22782170-28134728
Haploinsufficiency Score: Sufficient evidence suggesting dosage sensitivity is associated with clinical phenotype
Triplosensitivity Score:
Required percent of overlap: 60%
Variant types: CNV Loss

1 review

Arina Puzriakova (Genomics England Curator)

Comment on list classification: This region has been deprecated by ClinGen and therefore should be removed from the panel.

This region has been subsumed into ISCA-37478 which is green on multiple GMS panels including this panel (https://panelapp.genomicsengland.co.uk/panels/entities/ISCA-37478-Loss)

Checked and approved by the Genomics England Clinical team.
Created: 12 Nov 2025, 4:07 p.m. | Last Modified: 12 Nov 2025, 4:07 p.m.
Panel Version: 9.176
The required percent of overlap for this region has been changed from 80% to 60% and the genomic location has been updated inline with ClinGen following NHS Genomic Medicine Service approval.
Created: 16 Mar 2022, 12:54 p.m. | Last Modified: 16 Mar 2022, 12:54 p.m.
Panel Version: 3.1520
Created: 16 Mar 2022, 12:54 p.m.
Last Modified: 16 Mar 2022, 12:54 p.m.
Panel version: 3.1520

Details

ISCA ID
ISCA-37404-Loss
ISCA Region Name
15q11q13 recurrent (PWS/AS) region (BP1-BP3, Class 1) Loss
Chromosome
15
GRCh38 Coordinates
22782170-28134728
Haploinsufficiency Score
Sufficient evidence suggesting dosage sensitivity is associated with clinical phenotype
Triplosensitivity Score
Required percent of overlap
60%
Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Expert Review Green
  • ClinGen
Phenotypes
  • microcephaly
  • Developmental delay, muscle weakness
  • Mental retardation
  • Angelman syndrome
  • 176270
  • Prader-Willi syndrome
  • 105830
Tags
Q3_25_demote_red
Clinvar variants
Variants in
Penetrance
None
Variant types
CNV Loss
Publications

History Filter Activity

12 Nov 2025, Gel status: 3

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Region: isca-37404-loss has been classified as Green List (High Evidence).

12 Nov 2025, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag Q3_25_demote_red tag was added to Region: ISCA-37404-Loss.

16 Mar 2022, Gel status: 3

Changed GRCh38, Changed Required Overlap Percentage

Arina Puzriakova (Genomics England Curator)

GRCh38 position for ISCA-37404-Loss was changed from 22782170-28134729 to 22782170-28134728. Required Overlap Percentage for ISCA-37404-Loss was changed from 80 to 60.

7 Sep 2018, Gel status: 4

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

Louise Daugherty (Genomics England Curator)

Region: ISCA-37404-Loss was added Region: ISCA-37404-Loss was added to Intellectual disability. Sources: ClinGen,Expert Review Green Mode of inheritance for Region: ISCA-37404-Loss was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for Region: ISCA-37404-Loss were set to 22045295; 7611294 Phenotypes for Region: ISCA-37404-Loss were set to microcephaly; Developmental delay, muscle weakness; Mental retardation; Angelman syndrome; 176270; Prader-Willi syndrome; 105830