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Intellectual disability syndromic and non-syndromic v1.123 PCNA Bryony Thompson Marked gene: PCNA as ready
Intellectual disability syndromic and non-syndromic v1.123 PCNA Bryony Thompson Gene: pcna has been classified as Amber List (Moderate Evidence).
Intellectual disability syndromic and non-syndromic v1.123 PCNA Bryony Thompson Classified gene: PCNA as Amber List (moderate evidence)
Intellectual disability syndromic and non-syndromic v1.123 PCNA Bryony Thompson Gene: pcna has been classified as Amber List (Moderate Evidence).
Intellectual disability syndromic and non-syndromic v1.120 PCNA Sangavi Sivagnanasundram gene: PCNA was added
gene: PCNA was added to Intellectual disability syndromic and non-syndromic. Sources: ClinGen
Mode of inheritance for gene: PCNA was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: PCNA were set to 24911150, 33426167, 36990216
Phenotypes for gene: PCNA were set to hereditary ataxia MONDO:0100309
Review for gene: PCNA was set to AMBER
Added comment: Classified as Limited by Cerebellar Ataxia GCEP on 09/04/2025 - https://search.clinicalgenome.org/CCID:008778

Two missense variants have been reported across 5 families. Both the missense variants are present in gnomAD (rare enough for AR gene). Method of pathogenicity is still unknown.
Affected individuals reported with ataxia, photosensitivity, telangiectasias, and some degree of intellectual disability.
Sources: ClinGen