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Fetal anomalies v6.186 PTBP1 Ida Ertmanska Added comment: Comment on phenotypes: OMIM phenotype updated 10th Apr 2026.
Fetal anomalies v6.186 PTBP1 Ida Ertmanska Phenotypes for gene: PTBP1 were changed from neurodevelopmental disorder with skeletal dysplasia; Neurodevelopmental disorder, MONDO:0700092 to neurodevelopmental disorder with skeletal dysplasia; Neurodevelopmental disorder, MONDO:0700092; STAD syndrome, OMIM:621495
Fetal anomalies v6.157 PTBP1 Achchuthan Shanmugasundram Tag Q3_25_promote_green was removed from gene: PTBP1.
Fetal anomalies v6.157 PTBP1 Achchuthan Shanmugasundram Deleted their review
Fetal anomalies v6.157 PTBP1 Achchuthan Shanmugasundram reviewed gene: PTBP1: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Fetal anomalies v6.152 PTBP1 Arina Puzriakova Added phenotypes neurodevelopmental disorder with skeletal dysplasia for gene: PTBP1
Fetal anomalies v6.149 PTBP1 Arina Puzriakova commented on gene: PTBP1: The rating of this gene has been updated to Green following NHS Genomic Medicine Service approval.
Fetal anomalies v6.148 PTBP1 Arina Puzriakova commented on gene: PTBP1: This gene and phenotype were reviewed during meetings between November 2025 & January 2026. The meetings included representatives of the Central & South and North Thames R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Stephanie Allen, Elizabeth Young and Sarah Graham (Central & South GLH), Natalie Chandler and Elizabeth Scotchman (North Thames GLH), and Tazeen Ashraf, Anna De Burca, Natalie Canham, Samantha Doyle, Alice Gardham, Victoria Harrison, Tessa Homfray, Esther Kinning, and Soo-Mi Park (R21 Clinical Oversight Group).
Fetal anomalies v6.147 PTBP1 Natalie Canham reviewed gene: PTBP1: Rating: GREEN; Mode of pathogenicity: ; Publications: 40965981; Phenotypes: neurodevelopmental disorder with skeletal dysplasia; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Fetal anomalies v6.143 PTBP1 Arina Puzriakova Source Expert Review Green was added to PTBP1.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Fetal anomalies v6.105 PTBP1 Arina Puzriakova edited their review of gene: PTBP1: Changed rating: GREEN; Changed publications to: 40965981; Changed phenotypes to: Neurodevelopmental disorder, MONDO:0700092; Changed mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Fetal anomalies v6.105 PTBP1 Arina Puzriakova changed review comment from: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update based on 27 individuals from 25 families identified in PMID: 40965981 with start-loss (89%) or missense (11%) variants, confirmed de novo in 23/27 (plus 2 sibs with variant inherited from symptomatic mother, and segregation data unavailable in 2 others).

Skeletal anomalies were seen in 24 (89%), with the most prominent abnormalities comprising shortening and dysplasia of long bones and phalanges. Radiographic features included brachymetacarpia, brachymetatarsia, brachydactyly, brachytelephalangy, brachymesophalangy, and rhizomelia. Advanced bone maturation, cone-shaped epiphyses, and other features such as vertebral dysplasia were also observed.; to: Comment on list classification: There is sufficient evidence to promote this gene to Green at the next GMS panel update based on 27 individuals from 25 families identified in PMID: 40965981 with start-loss (89%) or missense (11%) variants, confirmed de novo in 23/27 (plus 2 sibs with variant inherited from symptomatic mother, and segregation data unavailable in 2 others).

Prenatal ultrasound was abnormal in thirteen (48%), revealing short femora (5/13, 38%), IUGR (31%), hydramnios (2/13, 15%), increased nuchal translucency (15%), asymmetry of heart cavities (1/13, 8%), and bilateral hydronephrosis (8%). It led to the diagnosis of skeletal dysplasia in two.
Fetal anomalies v6.105 PTBP1 Arina Puzriakova Tag Q3_25_NHS_review was removed from gene: PTBP1.
Fetal anomalies v6.105 PTBP1 Arina Puzriakova Entity copied from Skeletal dysplasia v8.20
Fetal anomalies v6.105 PTBP1 Arina Puzriakova gene: PTBP1 was added
gene: PTBP1 was added to Fetal anomalies. Sources: Literature,Expert Review Amber,NHS GMS
Q3_25_promote_green, Q3_25_NHS_review tags were added to gene: PTBP1.
Mode of inheritance for gene: PTBP1 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: PTBP1 were set to 40965981
Phenotypes for gene: PTBP1 were set to Neurodevelopmental disorder, MONDO:0700092
Penetrance for gene: PTBP1 were set to unknown