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Fetal anomalies v6.121 SPTA1 Achchuthan Shanmugasundram Tag Q3_25_promote_green was removed from gene: SPTA1.
Tag Q3_25_NHS_review was removed from gene: SPTA1.
Fetal anomalies v6.120 SPTA1 Achchuthan Shanmugasundram edited their review of gene: SPTA1: Added comment: The rating of this gene has been updated to green and the mode of inheritance updated to BIALLELIC, autosomal or pseudoautosomal following NHS Genomic Medicine Service approval.; Changed rating: GREEN
Fetal anomalies v6.119 SPTA1 Arina Puzriakova Source Expert Review Green was added to SPTA1.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Fetal anomalies v6.75 SPTA1 Arina Puzriakova Tag watchlist was removed from gene: SPTA1.
Tag Q3_25_promote_green tag was added to gene: SPTA1.
Tag Q3_25_NHS_review tag was added to gene: SPTA1.
Fetal anomalies v6.29 SPTA1 Arina Puzriakova edited their review of gene: SPTA1: Added comment: Upgraded from Red to Amber but there is sufficient evidence to make Green at the next GMS panel update, inline with the recent review by the R21 Clinical Oversight Group. MOI has also been updated from 'BIALLELIC, autosomal or pseudoautosomal' to 'BOTH monoallelic and biallelic, autosomal or pseudoautosomal' as per the review.; Changed rating: GREEN
Fetal anomalies v6.28 SPTA1 Sarah Graham commented on gene: SPTA1: This gene and phenotype were reviewed during meetings in June & July 2025. The meetings included representatives of the North Thames and Central & South R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Natalie Chandler & Elizabeth Scotchman (North Thames GLH), Natalie Bibb, Stephanie Allen & Sarah Graham (Central & South GLH) and Alice Gardham, Esther Kinning, Vicki Harrison, Anna DeBurca, Natalie Canham, Elizabeth Wall, Sunayna Best, Soo-Mi Park & Sahar Mansour (R21 Clinical Oversight Group).
Fetal anomalies v6.24 SPTA1 Sarah Graham reviewed gene: SPTA1: Rating: GREEN; Mode of pathogenicity: ; Publications: 31333484, 34132406, 30198572, 38031483; Phenotypes: Hereditary pyropoikilocytosis; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Fetal anomalies v6.21 SPTA1 Arina Puzriakova Source Expert Review Amber was added to SPTA1.
Mode of inheritance for gene SPTA1 was changed from BOTH monoallelic and biallelic, autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal
Added phenotypes Hereditary pyropoikilocytosis for gene: SPTA1
Publications for gene: SPTA1 were updated from 31333484; 33082562; 34132406 to 34132406; 30198572; 38031483; 33082562; 31333484
Rating Changed from Red List (low evidence) to Amber List (moderate evidence)
Fetal anomalies v4.36 SPTA1 Achchuthan Shanmugasundram commented on gene: SPTA1
Fetal anomalies v4.35 SPTA1 Samantha Doyle reviewed gene: SPTA1: Rating: RED; Mode of pathogenicity: ; Publications: 33082562; Phenotypes: Hereditary spherocytosis/elliptocytosis; Mode of inheritance: BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Fetal anomalies v4.34 SPTA1 Achchuthan Shanmugasundram Source NHS GMS was added to SPTA1.
Source Expert Review Red was added to SPTA1.
Mode of inheritance for gene SPTA1 was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Added phenotypes Elliptocytosis-2, OMIM:130600; Spherocytosis, type 3, OMIM:270970 for gene: SPTA1
Publications for gene: SPTA1 were updated from 31333484; 34132406 to 31333484; 33082562; 34132406
Rating Changed from Amber List (moderate evidence) to Red List (low evidence)
Fetal anomalies v1.897 SPTA1 Arina Puzriakova changed review comment from: Comment on list classification: New gene added to this panel by Rhiannon Mellis (GOSH). Rating Amber in with this review, awaiting further evidence supporting that this gene can cause a fetal phenotype (added watchlist tag); to: Comment on list classification: New gene added to this panel by Rhiannon Mellis (GOSH). Rating Amber inline with this review, awaiting further evidence supporting that this gene can cause a fetal phenotype (added watchlist tag)
Fetal anomalies v1.897 SPTA1 Arina Puzriakova Classified gene: SPTA1 as Amber List (moderate evidence)
Fetal anomalies v1.897 SPTA1 Arina Puzriakova Added comment: Comment on list classification: New gene added to this panel by Rhiannon Mellis (GOSH). Rating Amber in with this review, awaiting further evidence supporting that this gene can cause a fetal phenotype (added watchlist tag)
Fetal anomalies v1.897 SPTA1 Arina Puzriakova Gene: spta1 has been classified as Amber List (Moderate Evidence).
Fetal anomalies v1.896 SPTA1 Arina Puzriakova Publications for gene: SPTA1 were set to PMID: 34132406; PMID: 31333484
Fetal anomalies v1.895 SPTA1 Arina Puzriakova Tag watchlist tag was added to gene: SPTA1.
Fetal anomalies v1.880 SPTA1 Rhiannon Mellis gene: SPTA1 was added
gene: SPTA1 was added to Fetal anomalies. Sources: Literature,Expert Review
Mode of inheritance for gene: SPTA1 was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Publications for gene: SPTA1 were set to PMID: 34132406; PMID: 31333484
Phenotypes for gene: SPTA1 were set to Hydrops fetalis; Congenital anaemia
Review for gene: SPTA1 was set to AMBER
Added comment: This gene and phenotype were reviewed during a meeting on 21st July 2022 between representatives of the North Thames and Central & South R21 testing GLHs.
Clinical review and curation was performed by Lyn Chitty, Alison Male, Rhiannon Mellis (North Thames GLH), and Stephanie Allen, Denise Williams, Esther Kinning and Anna de Burca (Central & South GLH).

Outcome of review: Likely that the phenotype is fetally relevant, support adding to the Fetal anomalies panel as an Amber gene, pending further evidence and review of other congenital anaemia genes that may cause hydrops.

Currently rated Green on the following other PanelApp panel(s): Congenital anaemias

Details of review: The fetal case in Wagner et al 2021 (PMID: 34132406) had hydrops secondary to severe fetal anaemia at 28/40. Chonat et al 2019 (PMID: 31333484) also report 3 further unrelated cases with hydrops/fetal anaemia.
Sources: Literature, Expert Review