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Intellectual disability

Region: ISCA-37468-Loss

Xp11.23 region (includes MAOA and MAOB) Loss

Green List (high evidence)

Chromosome: X
GRCh38 Position: 43654906-43882474
Haploinsufficiency Score: Sufficient evidence suggesting dosage sensitivity is associated with clinical phenotype
Triplosensitivity Score:
Required percent of overlap: 80%
Variant types: CNV Loss

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Details

ISCA ID
ISCA-37468-Loss
ISCA Region Name
Xp11.23 region (includes MAOA and MAOB) Loss
Chromosome
X
GRCh38 Coordinates
43654906-43882474
Haploinsufficiency Score
Sufficient evidence suggesting dosage sensitivity is associated with clinical phenotype
Triplosensitivity Score
Required percent of overlap
80%
Mode of Inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Sources
  • Expert Review Green
  • ClinGen
Phenotypes
  • episodes of sudden loss of muscle tone
  • severe intellectual disability
  • exiting behavior
  • short stature
  • eleveated serotonin levels
  • autistic features
  • lip-smacking
  • hypotonia
  • stereotypical hand movements
Clinvar variants
Variants in
Penetrance
None
Variant types
CNV Loss
Publications

History Filter Activity

9 Apr 2019, Gel status: 4

Set mode of inheritance

Louise Daugherty (Genomics England Curator)

Mode of inheritance for Region: ISCA-37468-Loss was changed from X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

9 Apr 2019, Gel status: 4

Set mode of inheritance

Louise Daugherty (Genomics England Curator)

Mode of inheritance for Region: ISCA-37468-Loss was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

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-37468-Loss was added Region: ISCA-37468-Loss was added to Intellectual disability. Sources: ClinGen,Expert Review Green Mode of inheritance for Region: ISCA-37468-Loss was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for Region: ISCA-37468-Loss were set to 20485326; 22365943; 23414621 Phenotypes for Region: ISCA-37468-Loss were set to episodes of sudden loss of muscle tone; severe intellectual disability; exiting behavior; short stature; eleveated serotonin levels; autistic features; lip-smacking; hypotonia; stereotypical hand movements