Pigmentary skin disorders
Gene: KITThe mode of inheritance of this gene has been updated to 'BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal' following NHS Genomic Medicine Service approval.Created: 31 Jan 2023, 2:44 p.m. | Last Modified: 31 Jan 2023, 2:44 p.m.
Panel Version: 2.3
Comment on mode of inheritance: MOI should be be updated from 'monoallelic' to 'both mono- and biallelic (but biallelic mutations cause a more SEVERE disease form)' (tagged)
Copied from Ellen McDonagh (Genomics England Curator) review on Hearing loss panel:
PMID: 23399981 - A report of a proband with no pigmentation of his skin nor hair and blue irides, and pro- found sensorineural hearing loss. A homozygous deletion of exons 20 and 21 in the proband was found, and parents were heterozygous for these deletions (homozygosity for piebaldism is clinically more severe than heterozygous state). Also describe other published studies of c-kit mutations in mice, which have defects including albinism and deafness.Created: 28 Feb 2022, 2:58 p.m. | Last Modified: 28 Feb 2022, 2:58 p.m.
Panel Version: 1.38
Variants in this gene are associated with both piebaldism and familial GIST. The latter condition is also associated with abnormal cutaneous pigmentation.Created: 17 Apr 2019, 6:22 p.m.
Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes
Piebaldism; Gastrointestinal stromal tumor, familial
This gene was part of an initial gene list collated by Thomas Cullup, GOSH and Veronica Kinsler, UCL, 25.Jan.2019 on behalf of the GMS Skin Specialist Test Group. Gene Symbol submitted: KIT; Suggested initial gene rating: Green; Evidence for inclusion: none provided; Evidence for exclusion: none provided; Technical notes (e.g. non-coding/CNV mutations requiring coverage?): none provided.Created: 31 Jan 2019, 11:31 a.m.
Tag Q1_22_MOI was removed from gene: KIT.
Mode of inheritance for gene KIT was changed from MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Tag Q1_22_MOI tag was added to gene: KIT.
Publications for gene: KIT were set to 9990072; 1370874
Phenotypes for gene: KIT were changed from PBT; Piebaldism; MASTC, PIEBALD TRAIT; Mast cell disease; MASTOCYTOSIS, CUTANEOUS to Mastocytosis, cutaneous, OMIM:154800; Piebaldism, OMIM:172800
Mode of inheritance for gene: KIT was changed from MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Added phenotypes PBT; MASTOCYTOSIS, CUTANEOUS; MASTC, PIEBALD TRAIT for gene: KIT Publications for gene KIT were changed from to 9990072; 1370874
Source London North GLH was added to KIT.
gene: KIT was added gene: KIT was added to Pigmentary skin disorders. Sources: Expert Review Green,NHS GMS Mode of inheritance for gene: KIT was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Phenotypes for gene: KIT were set to Mast cell disease; Piebaldism