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| Microcephaly v1.252 | SV2A | Zornitza Stark Phenotypes for gene: SV2A were changed from Neurodevelopmental disorder, MONDO:0700092, SV2A-related to Developmental and epileptic encephalopathy 113, MIM# 620772 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.251 | SV2A | Zornitza Stark reviewed gene: SV2A: Rating: AMBER; Mode of pathogenicity: None; Publications: ; Phenotypes: Developmental and epileptic encephalopathy 113, MIM# 620772; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.242 | SV2A | Zornitza Stark Marked gene: SV2A as ready | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.242 | SV2A | Zornitza Stark Gene: sv2a has been classified as Amber List (Moderate Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.242 | SV2A | Zornitza Stark Phenotypes for gene: SV2A were changed from Epilepsy, MONDO:0005027; microcephaly MONDO:0001149 to Neurodevelopmental disorder, MONDO:0700092, SV2A-related | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.241 | SV2A | Zornitza Stark Mode of inheritance for gene: SV2A was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.240 | SV2A | Zornitza Stark Classified gene: SV2A as Amber List (moderate evidence) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.240 | SV2A | Zornitza Stark Gene: sv2a has been classified as Amber List (Moderate Evidence). | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Microcephaly v1.239 | SV2A |
Karina Sandoval edited their review of gene: SV2A: Added comment: Updated - Only Biallelic causes microcephaly Monoallelic variants cause epilepsy. Biallelic variant in this 5yo with p.Arg289Ter and another 5yo from another paper with homozygous p.Arg383Gln, reported to cause severe phenotype of drug-resistant epileptic encephalopathy with microcephaly, DD, movement disorder and growth retardation. This paper references 5 other families with both AR & AD Family #1 – p.Arg383Gln, AR, 2 affected in family, parents healthy carriers Family #2 – p.Arg570Cys, AD, 2 affected, inherited from affected mother (in gnomAD v2 1 het, absent from gnomAD v3) Family #3 – p.Gly660Arg, AD, de novo Family #4 – p.Gly660Arg, AD, segregated in 11 family members Family #5 (this study) – p.Arg289Ter, AR, parents and 2 sibs asymptomatic carriers; Changed phenotypes: Epilepsy, MONDO:0005027, microcephaly MONDO:0001149, intellectual disability MONDO:0001071; Changed mode of inheritance: BIALLELIC, autosomal or pseudoautosomal |
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| Microcephaly v1.239 | SV2A |
Karina Sandoval changed review comment from: Monoallelic variants cause epilepsy. Biallelic variant in this 5yo with p.Arg289Ter and another 5yo from another paper with homozygous p.Arg383Gln, reported to cause severe phenotype of drug-resistant epileptic encephalopathy with microcephaly, DD, movement disorder and growth retardation. This paper references 5 other families with both AR & AD Family #1 – p.Arg383Gln, AR, 2 affected in family, parents healthy carriers Family #2 – p.Arg570Cys, AD, 2 affected, inherited from affected mother (in gnomAD v2 1 het, absent from gnomAD v3) Family #3 – p.Gly660Arg, AD, de novo Family #4 – p.Gly660Arg, AD, segregated in 11 family members Family #5 (this study) – p.Arg289Ter, AR, parents and 2 sibs asymptomatic carriers Sources: Literature; to: Monoallelic variants cause epilepsy. Biallelic variant in this 5yo with p.Arg289Ter and another 5yo from another paper with homozygous p.Arg383Gln, reported to cause severe phenotype of drug-resistant epileptic encephalopathy with microcephaly, DD, movement disorder and growth retardation. This paper references 5 other families with both AR & AD Family #1 – p.Arg383Gln, AR, 2 affected in family, parents healthy carriers Family #2 – p.Arg570Cys, AD, 2 affected, inherited from affected mother (in gnomAD v2 1 het, absent from gnomAD v3) Family #3 – p.Gly660Arg, AD, de novo Family #4 – p.Gly660Arg, AD, segregated in 11 family members Family #5 (this study) – p.Arg289Ter, AR, parents and 2 sibs asymptomatic carriers Sources: Literature |
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| Microcephaly v1.239 | SV2A |
Karina Sandoval gene: SV2A was added gene: SV2A was added to Microcephaly. Sources: Literature Mode of inheritance for gene: SV2A was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal Publications for gene: SV2A were set to PMID: 37985816 Phenotypes for gene: SV2A were set to Epilepsy, MONDO:0005027; microcephaly MONDO:0001149 Review for gene: SV2A was set to AMBER Added comment: Monoallelic variants cause epilepsy. Biallelic variant in this 5yo with p.Arg289Ter and another 5yo from another paper with homozygous p.Arg383Gln, reported to cause severe phenotype of drug-resistant epileptic encephalopathy with microcephaly, DD, movement disorder and growth retardation. This paper references 5 other families with both AR & AD Family #1 – p.Arg383Gln, AR, 2 affected in family, parents healthy carriers Family #2 – p.Arg570Cys, AD, 2 affected, inherited from affected mother (in gnomAD v2 1 het, absent from gnomAD v3) Family #3 – p.Gly660Arg, AD, de novo Family #4 – p.Gly660Arg, AD, segregated in 11 family members Family #5 (this study) – p.Arg289Ter, AR, parents and 2 sibs asymptomatic carriers Sources: Literature |
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