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Skeletal dysplasia

Gene: SEMA3A

Green List (high evidence)

SEMA3A (semaphorin 3A)
EnsemblGeneIds (GRCh38): ENSG00000075213
EnsemblGeneIds (GRCh37): ENSG00000075213
OMIM: 603961, Gene2Phenotype
SEMA3A is in 10 panels

2 reviews

Samantha Ayres (Victorian Clinical Genetics Services)

Green List (high evidence)

Copied from curation by Krithika Murali in Feb 2022:
Heterozygous variants associated with isolated GnRH deficiency with or without anosmia (Kallman syndrome like). More severe phenotype with biallelic SEMA3A variants including postnatal short stature and congenital heart defects in 3/3 published, unrelated individuals.

PMID 33369061 Gileta et al 2021 - report x1 patient. Female proband was compound heterozygote for a nonsense variant and a multiexonic deletion of SEMA3A. Presents with postnatal short stature, congenital cardiac anomalies, dysmorphic features, hypogonadotrophic hypogonadism and anosmia.

PMID 28075028 Baumann et al 2017 - report x1 patient. Homozygous LoF variants identified in a proband from a consanguineous Turkish family. Noted at birth to have a high-positioned scapulae, deformed ribs and a lateral clavicular hook. The patient also had upper/lower limb contractures and aberrant right subclavian artery. Mild facial dysmorphism, micropenis and hypogonadotrophic hypogonadism also noted in the first week of life. Postnatal short stature (length 50cm at term birth)

PMID 24124006 Hofmann et al 2013 - first reported biallelic variants in a proband with postnatal short stature, skeletal anomalies of the thorax, congenital heart
defect and camptodactyly
Sources: Literature
Created: 28 Mar 2022, 2:17 a.m. | Last Modified: 28 Mar 2022, 2:17 a.m.
Panel Version: 0.12066

Mode of inheritance
BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal

Phenotypes
Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897; congenital heart disease; short stature

Publications

Krithika Murali (Victorian Clinical Genetics Services)

Green List (high evidence)

Heterozygous variants associated with isolated GnRH deficiency with or without anosmia (Kallman syndrome like). More severe phenotype with biallelic SEMA3A variants reported including postnatal short stature and congenital heart defects in 3/3 published, unrelated individuals.

PMID 33369061 Gileta et al 2021 - report x1 patient. Female proband was compound heterozygote for a nonsense variant and a multiexonic deletion of SEMA3A. Presents with postnatal short stature, congenital cardiac anomalies, dysmorphic features, hypogonadotrophic hypogonadism and anosmia.

PMID 28075028 Baumann et al 2017 - report x1 patient. Homozygous LoF variants identified in a proband from a consanguineous Turkish family. Noted at birth to have a high-positioned scapulae, deformed ribs and a lateral clavicular hook. The patient also had upper/lower limb contractures and aberrant right subclavian artery. Mild facial dysmorphism, micropenis and hypogonadotrophic hypogonadism also noted in the first week of life. Postnatal short stature (length 50cm at term birth)

PMID 24124006 Hofmann et al 2013 - first reported biallelic variants in a proband with postnatal short stature, skeletal anomalies of the thorax, congenital heart
defect and camptodactyly
Sources: Literature
Created: 15 Feb 2022, 6:13 a.m.

Mode of inheritance
BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal

Phenotypes
{Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897; congenital heart disease; short stature

Publications

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Literature
Phenotypes
  • {Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897
  • congenital heart disease
  • skeletal anomalies
OMIM
603961
Clinvar variants
Variants in SEMA3A
Penetrance
None
Publications
Panels with this gene

History Filter Activity

15 Feb 2022, Gel status: 3

Entity classified by Genomics England curator

Zornitza Stark (Victorian Clinical Genetics Services; Australian Genomics)

Gene: sema3a has been classified as Green List (High Evidence).

15 Feb 2022, Gel status: 3

Set Phenotypes

Zornitza Stark (Victorian Clinical Genetics Services; Australian Genomics)

Phenotypes for gene: SEMA3A were changed from {Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897; congenital heart disease; short stature to {Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897; congenital heart disease; skeletal anomalies

15 Feb 2022, Gel status: 3

Set mode of inheritance

Zornitza Stark (Victorian Clinical Genetics Services; Australian Genomics)

Mode of inheritance for gene: SEMA3A was changed from BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal to BIALLELIC, autosomal or pseudoautosomal

15 Feb 2022, Gel status: 3

Entity classified by Genomics England curator

Zornitza Stark (Victorian Clinical Genetics Services; Australian Genomics)

Gene: sema3a has been classified as Green List (High Evidence).

15 Feb 2022, Gel status: 0

Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes

Krithika Murali (Victorian Clinical Genetics Services)

gene: SEMA3A was added gene: SEMA3A was added to Skeletal dysplasia. Sources: Literature Mode of inheritance for gene: SEMA3A was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal Publications for gene: SEMA3A were set to 28075028; 33369061; 20301509; 21059704; 24124006; 22927827 Phenotypes for gene: SEMA3A were set to {Hypogonadotropic hypogonadism 16 with or without anosmia - MIM#614897; congenital heart disease; short stature Review for gene: SEMA3A was set to GREEN