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Intellectual disability

Region: ISCA-37420-Loss

17q21.3 recurrent region (includes KANSL1) Loss

Green List (high evidence)

Chromosome: 17
GRCh38 Position: 45627800-46087514
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)

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, 1:01 p.m. | Last Modified: 16 Mar 2022, 1:01 p.m.
Panel Version: 3.1520

Details

ISCA ID
ISCA-37420-Loss
ISCA Region Name
17q21.3 recurrent region (includes KANSL1) Loss
Chromosome
17
GRCh38 Coordinates
45627800-46087514
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
  • PMID: 18628315 developmental delay, hypotonia, facial dysmorphisms including a long face, a tubular or pear-shaped nose and a bulbous nasal tip, and a friendly/amiable behaviour, other clinically important features include epilepsy, heart defects and kidney/urologic anomalies
  • 610443
  • PMID: 25217958
  • Koolen-De Vries syndrome 610443
Clinvar variants
Variants in
Penetrance
None
Variant types
CNV Loss
Publications

History Filter Activity

16 Mar 2022, Gel status: 3

Changed GRCh38, Changed Required Overlap Percentage

Arina Puzriakova (Genomics England Curator)

GRCh38 position for ISCA-37420-Loss was changed from 45608879-46087510 to 45627800-46087514. Required Overlap Percentage for ISCA-37420-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-37420-Loss was added Region: ISCA-37420-Loss was added to Intellectual disability. Sources: ClinGen,Expert Review Green Mode of inheritance for Region: ISCA-37420-Loss was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for Region: ISCA-37420-Loss were set to 25217958; 18628315 Phenotypes for Region: ISCA-37420-Loss were set to PMID: 18628315 developmental delay, hypotonia, facial dysmorphisms including a long face, a tubular or pear-shaped nose and a bulbous nasal tip, and a friendly/amiable behaviour, other clinically important features include epilepsy, heart defects and kidney/urologic anomalies; 610443; PMID: 25217958; Koolen-De Vries syndrome 610443