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Mosaic skin disorders - deep sequencing v3.25 MVK Ida Ertmanska Tag Q4_25_promote_green tag was added to gene: MVK.
Mosaic skin disorders - deep sequencing v3.25 MVK Ida Ertmanska edited their review of gene: MVK: Added comment: Comment on list classification: There are at least 9 unrelated families reported in literature with porokeratosis / disseminated superficial actinic porokeratosis (DSAP), with heterozygous germline mutations in MVK, with confirmed postnatal second-hit mosaic MVK mutation in 2 cases. Other genes in the pathway have been implicated in porokeratosis. Based on available evidence, this gene should be promoted to Green for Mosaic skin disorders - deep sequencing.; Changed rating: GREEN
Mosaic skin disorders - deep sequencing v3.25 MVK Ida Ertmanska Phenotypes for gene: MVK were changed from Porokeratosis 3, multiple types, OMIM:175900 to Porokeratosis 3, multiple types, OMIM:175900; porokeratosis 3, disseminated superficial actinic type, MONDO:0008293
Mosaic skin disorders - deep sequencing v3.24 MVK Ida Ertmanska Publications for gene: MVK were set to 24781643
Mosaic skin disorders - deep sequencing v3.23 MVK Ida Ertmanska Classified gene: MVK as Amber List (moderate evidence)
Mosaic skin disorders - deep sequencing v3.23 MVK Ida Ertmanska Gene: mvk has been classified as Amber List (Moderate Evidence).
Mosaic skin disorders - deep sequencing v3.22 MVK Ida Ertmanska Tag curated_removed was removed from gene: MVK.
Mosaic skin disorders - deep sequencing v3.22 MVK Ida Ertmanska reviewed gene: MVK: Rating: AMBER; Mode of pathogenicity: None; Publications: 22983302, 26794421, 31207227, 31753123, 39386107; Phenotypes: Porokeratosis 3, multiple types, OMIM:175900, porokeratosis 3, disseminated superficial actinic type, MONDO:0008293; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mosaic skin disorders - deep sequencing v3.9 PMVK Ida Ertmanska Tag Q4_25_NHS_review tag was added to gene: PMVK.
Mosaic skin disorders - deep sequencing v3.9 PMVK Ida Ertmanska changed review comment from: PMID: 38360177 Polubothu et al., 2024
Patient with Inflammatory linear verrucous epidermal nevus (ILVEN) reported to carry a de novo PMVK variant c.126delG, p.R42fs (NM_006556.4: c.124del, p.Arg42Glyfs*16) - not in gnomAD v4.1.0; method: 250x WES; mosaic in blood and skin, no second variant detected in the same gene in skin.

PMID: 30942823 Atzmony et al., 2019 / PMID: 35853659 Atzmony et al., 2022
Report of 2 patients with Linear Porokeratosis. Inheritance pattern unknown.
Patient 1: 20 yo man with a germline-heterozygous PMVK c.329G>A, p.R110Q mutation in blood & affected skin. Skin showed a higher mutant allele fraction (Ref:Non-Ref read ratio was 21:15 in blood and 16:61 in tissue). Suggested somatic loss-of-heterozygosity.
Patient 2: 5 yo girl with a germline mutation PMVK c.79G>T, p.Glu27* & a somatic mutation PMVK c.379C>T, p.Gln127* (Ref:Non-Ref = 113:0 in blood, and 119:34 in tissue). Variant p.Glu27* has MAF = 0.0005930 in gnomAD v4.1.0 (Admixed American pop), no homozygotes.

This gene is NOT predicted to be LoF intolerant (pLI = 0.02, LOEUF = 0.87). PMVK is associated with AD Porokeratosis 1, multiple types MIM:175800 in OMIM (accessed 3rd Dec 2025).; to: PMID: 38360177 Polubothu et al., 2024
Patient with Inflammatory linear verrucous epidermal nevus (ILVEN) reported to carry a de novo PMVK variant c.126delG, p.R42fs (NM_006556.4: c.124del, p.Arg42Glyfs*16) - not in gnomAD v4.1.0; method: 250x WES; mosaic in blood and skin, no second variant detected in the same gene in skin.

PMID: 30942823 Atzmony et al., 2019 / PMID: 35853659 Atzmony et al., 2022
Report of 2 patients with Linear Porokeratosis - plaques distributed along the lines of Blaschko, suggesting cutaneous mosaicism. Inheritance pattern unknown.
Patient 1: 20 yo man with a germline-heterozygous PMVK c.329G>A, p.R110Q mutation in blood & affected skin. Skin showed a higher mutant allele fraction (Ref:Non-Ref read ratio was 21:15 in blood and 16:61 in tissue). Suggested somatic loss-of-heterozygosity.
Patient 2: 5 yo girl with a germline mutation PMVK c.79G>T, p.Glu27* & a somatic mutation PMVK c.379C>T, p.Gln127* (Ref:Non-Ref = 113:0 in blood, and 119:34 in tissue). Variant p.Glu27* has MAF = 0.0005930 in gnomAD v4.1.0 (Admixed American pop), no homozygotes.

This gene is NOT predicted to be LoF intolerant (pLI = 0.02, LOEUF = 0.87). PMVK is associated with AD Porokeratosis 1, multiple types MIM:175800 in OMIM (accessed 3rd Dec 2025).
Mosaic skin disorders - deep sequencing v3.9 PMVK Ida Ertmanska commented on gene: PMVK: Comment on list classification: There are 3 unrelated individuals diagnosed with linear porokeratosis / ILVEN with mosaic PMVK variants. 1 individual harboured a mosaic PMVK variant only (vPMID: 38360177), while two patients carried a germline PMVK mutation together with either a somatic PMVK variant, or evidence of loss of heterozygosity (PMID: 30942823). Based on the available evidence, this gene should be promoted to Green for Mosaic skin disorders - deep sequencing.
Mosaic skin disorders - deep sequencing v3.9 PMVK Ida Ertmanska Tag Q4_25_promote_green tag was added to gene: PMVK.
Mosaic skin disorders - deep sequencing v3.9 PMVK Ida Ertmanska Phenotypes for gene: PMVK were changed from Linear porokeratosis to inflammatory linear verrucous epidermal nevus, MONDO:0019318; Porokeratosis 1, multiple types OMIM:175800
Mosaic skin disorders - deep sequencing v3.8 PMVK Ida Ertmanska Publications for gene: PMVK were set to 30942823
Mosaic skin disorders - deep sequencing v3.7 PMVK Ida Ertmanska reviewed gene: PMVK: Rating: GREEN; Mode of pathogenicity: None; Publications: 30942823, 35853659, 38360177; Phenotypes: inflammatory linear verrucous epidermal nevus, MONDO:0019318, Porokeratosis 1, multiple types OMIM:175800; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mosaic skin disorders - deep sequencing v3.1 PMVK Veronica Kinsler reviewed gene: PMVK: Rating: GREEN; Mode of pathogenicity: None; Publications: PMID: 38360177, PMID: 35853659; Phenotypes: Inflammatory Linear Verrucous Epidermal Naevi (ILVEN); Mode of inheritance: Other
Mosaic skin disorders - deep sequencing v1.19 MVK Arina Puzriakova Phenotypes for gene: MVK were changed from Actinic porokeratosis; porokeratosis of Mibelli to Porokeratosis 3, multiple types, OMIM:175900
Mosaic skin disorders - deep sequencing v1.5 MVK Arina Puzriakova Tag curated_removed tag was added to gene: MVK.
Mosaic skin disorders - deep sequencing v0.19 PMVK Catherine Snow Classified gene: PMVK as Amber List (moderate evidence)
Mosaic skin disorders - deep sequencing v0.19 PMVK Catherine Snow Gene: pmvk has been classified as Amber List (Moderate Evidence).
Mosaic skin disorders - deep sequencing v0.16 PMVK Tom Cullup reviewed gene: PMVK: Rating: AMBER; Mode of pathogenicity: ; Publications: 30942823; Phenotypes: Linear porokeratosis; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mosaic skin disorders - deep sequencing v0.16 MVK Tom Cullup reviewed gene: MVK: Rating: RED; Mode of pathogenicity: ; Publications: 24781643; Phenotypes: Actinic porokeratosis, porokeratosis of Mibelli (175900); Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Mosaic skin disorders - deep sequencing v0.15 MVK Catherine Snow Source Expert Review Removed was added to MVK.
Publications for gene MVK were changed from to 24781643
Rating Changed from Green List (high evidence) to No List (delete)
Mosaic skin disorders - deep sequencing v0.14 PMVK Catherine Snow gene: PMVK was added
gene: PMVK was added to Mosaic skin disorders - deep sequencing. Sources: Expert Review Red
Mode of inheritance for gene: PMVK was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: PMVK were set to 30942823
Phenotypes for gene: PMVK were set to Linear porokeratosis
Mosaic skin disorders - deep sequencing v0.7 MVK Rebecca Foulger Source London North GLH was added to MVK.
Mosaic skin disorders - deep sequencing v0.4 MVK Rebecca Foulger reviewed gene: MVK: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Mosaic skin disorders - deep sequencing v0.3 MVK Rebecca Foulger gene: MVK was added
gene: MVK was added to Mosaic skin disorders - deep sequencing. Sources: Expert Review Green,NHS GMS
Mode of inheritance for gene: MVK was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes for gene: MVK were set to Actinic porokeratosis; porokeratosis of Mibelli