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Fetal anomalies v1.275 MYL1 Arina Puzriakova Phenotypes for gene: MYL1 were changed from Myopathy, congenital, with fast-twitch (type II) fiber atrophy to Myopathy, congenital, with fast-twitch (type II) fiber atrophy, OMIM:618414; Congenital myopathy with reduced type 2 muscle fibers, MONDO:0034109
Fetal anomalies v1.214 MYL1 Rhiannon Mellis gene: MYL1 was added
gene: MYL1 was added to Fetal anomalies. Sources: Expert list
Mode of inheritance for gene: MYL1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: MYL1 were set to PMID: 30215711
Phenotypes for gene: MYL1 were set to Myopathy, congenital, with fast-twitch (type II) fiber atrophy
Review for gene: MYL1 was set to GREEN
Added comment: This gene and phenotype were reviewed during meetings at Great Ormond Street hospital in October 2020. This gene has a Green evidence rating on at least one other related PanelApp panel. Clinical review and curation was performed by Lyn Chitty, Rhiannon Mellis, and Richard Scott. Outcome of review: Confirmed that phenotype is fetally-relevant: add to the Fetal anomalies panel as a Green gene.

Green on related panel(s): Arthrogryposis; Neuromuscular disorders

Additional comment: Predominant phenotype is severe hypotonia and respiratory failure from birth. 2 patients are reported: one had polyhydramnios and normal fetal movements, with mild flexion contractures at birth. The other had normal liquor volume, reduced fetal movements, no contractures. (PMID: 30215711). But severe neonatal phenotype so include as relevant.
Sources: Expert list
Fetal anomalies v0.166 HYDIN Rebecca Foulger edited their review of gene: HYDIN: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but can exclude from causing situs defects. According to PMID:30166424 (Best et al., 2019) plus email correspondance from Hannah Mitchison (UCL), there is fairly firm evidence that mutations in HYDIN cause PCD without laterality defects/Situs Invertis. Variant flagged as Potentially Clinically Useful from PAGE study. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED
Fetal anomalies v0.166 GAS8 Rebecca Foulger edited their review of gene: GAS8: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but highly unlikely to cause situs defects. According to PMID:30166424 (Best et al., 2019), GAS8 has not previously been associated with Situs defects in the literature. Plus email correspondance from Hannah Mitchison (UCL) that mutations in GAS8 are not associated with laterality defects, including in mice. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED; Changed publications: 30166424
Fetal anomalies v0.166 CCDC65 Rebecca Foulger edited their review of gene: CCDC65: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but highly unlikely to cause situs defects. According to PMID:30166424 (Best et al., 2019), CCDC65 (DRC2) has not previously been associated with Situs defects in the literature. Plus email correspondance from Hannah Mitchison (UCL) that mutations in CCDC65/DRC2 are not associated with laterality defects, including in mice. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED; Changed publications: 30166424
Fetal anomalies v0.166 CCNO Rebecca Foulger edited their review of gene: CCNO: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but can exclude from causing situs defects. According to PMID:30166424 (Best et al., 2019) plus email correspondance from Hannah Mitchison (UCL), there is fairly firm evidence that mutations in CCNO cause PCD without laterality defects/Situs Invertis. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED; Changed publications: 30166424
Fetal anomalies v0.166 RSPH3 Rebecca Foulger edited their review of gene: RSPH3: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but can exclude from causing situs defects. According to PMID:30166424 (Best et al., 2019), RSPH3 has not previously been associated with Situs defects in the literature. Plus email correspondance from Hannah Mitchison (UCL) that there is fairly firm evidence that mutations in RSPH3 cause PCD without laterality defects/Situs Invertis. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED; Changed publications: 30166424
Fetal anomalies v0.166 RSPH1 Rebecca Foulger edited their review of gene: RSPH1: Added comment: This gene and phenotype were discussed during review of borderline cases in April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Additional notes from clinical review: Primary Ciliary Dyskinesia (PCD) but can exclude from causing situs defects. According to PMID:30166424 (Best et al., 2019) plus email correspondance from Hannah Mitchison (UCL), there is fairly firm evidence that mutations in RSPH1 cause PCD without laterality defects/Situs Invertis. Action taken: Demoted gene rating from Green to Red.; Changed rating: RED; Changed publications: 30166424
Fetal anomalies v0.155 IFIH1 Rebecca Foulger Added comment: Comment on mode of inheritance: Changed MOI back to 'monoallelic' following review by Anna de Burca (Genomics England) and Rhiannon Mellis (GOSH) in March 2019: both associated disorders (Aicardi-Goutieres syndrome 7 and 'Singleton-Merten syndrome 1) have monoallelic inheritance. The original switch to biallelic inheritance was probably due to a misunderstanding.
Fetal anomalies v0.9 ITCH Rebecca Foulger reviewed gene: ITCH: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Fetal anomalies v0.1 ITCH Rebecca Foulger gene: ITCH was added
gene: ITCH was added to Fetal anomalies. Sources: PAGE DD-Gene2Phenotype,Expert Review Amber
Mode of inheritance for gene: ITCH was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: ITCH were set to AUTOIMMUNE DISEASE, SYNDROMIC MULTISYSTEM