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Ehlers Danlos syndrome with a likely monogenic cause v4.16 FBN2 Ida Ertmanska commented on gene: FBN2: Comment on mode of inheritance: There are 4 unrelated individuals reported in literature with biallelic FBN2 variants. However, these individuals presented with a spectrum of phenotypes: one with dextro-transposition of the great arteries, one with congenital contractural arachnodactyly, one individual with a myofibrillar myopathy, and one fetal case with fetal akinesia with brain ischemia and neonatal death. Hence, the mode of inheritance should remain MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown, until more evidence emerges.
Ehlers Danlos syndrome with a likely monogenic cause v4.16 FBN2 Ida Ertmanska Phenotypes for gene: FBN2 were changed from Contractural arachnodactyly, congenital, OMIM:121050 to Contractural arachnodactyly, congenital, OMIM:121050; congenital contractural arachnodactyly, MONDO:0007363
Ehlers Danlos syndrome with a likely monogenic cause v4.15 FBN2 Ida Ertmanska Publications for gene: FBN2 were set to 9737771; 10797416; 20799338
Ehlers Danlos syndrome with a likely monogenic cause v4.14 FBN2 Ida Ertmanska changed review comment from: BIALLELIC CASES:
PMID: 38791509 Zodanu et al., 2024
Proband B was prenatally diagnosed with dextro-transposition of the great arteries, based on a fetal echocardiogram at 20 weeks of gestation and required cardiac surgery at 0 and 5 days after birth. WES of proband B and his parents, showed compound heterozygous missense, c.518C>T and c.8230T>G (p.Tyr2744Asp), variants in the FBN2 in proband B; unaffected parents confirmed het for one variant each.

PMID: 33571691 Kloth et al., 2021
Report of a 15-year-old girl with a severe form of congenital contractural arachnodactyly and novel biallelic variants in FBN2: the missense variant c.3563G > T/p.(Gly1188Val) from her unaffected father and the nonsense variant c.6831C > A/p.(Cys2277*) from her healthy mother.

PMID: 28383543 Monies et al., 2017
Family 16DG0107 - male proband homozygous for FBN2 variant NM_001999.3:c.41T>G:p.(Leu14Arg) - het in unaffected parents and sibs. Variant not found in gnomAD v4. Proband presented at birth with clubfoot. At 13 yrs he had fatigue, mild to severe muscle weakness (severe in hip extensors), camptodactyly. The CK value was normal, but muscle biopsy showed myofibrillar disorganization.

PMID: 25558065 Alazami et al., 2015
Large cohort of consanguineous families. Method: WES.
Individual 12DG0104 had a FBN2 variant NM_001999:c.1064G>A, p.G355D, and presented with fetal akinesia with brain ischemia and neonatal death.; to: BIALLELIC CASES:
PMID: 38791509 Zodanu et al., 2024
Proband B was prenatally diagnosed with dextro-transposition of the great arteries, based on a fetal echocardiogram at 20 weeks of gestation and required cardiac surgery at 0 and 5 days after birth. WES of proband B and his parents, showed compound heterozygous missense, c.518C>T and c.8230T>G (p.Tyr2744Asp), variants in the FBN2 in proband B; unaffected parents confirmed het for one variant each.

PMID: 33571691 Kloth et al., 2021
Report of a 15-year-old girl with a severe form of congenital contractural arachnodactyly and novel biallelic variants in FBN2: the missense variant c.3563G > T/p.(Gly1188Val) from her unaffected father and the nonsense variant c.6831C > A/p.(Cys2277*) from her healthy mother.

PMID: 28383543 Monies et al., 2017
Family 16DG0107 - male proband homozygous for FBN2 variant NM_001999.3:c.41T>G:p.(Leu14Arg) - het in unaffected parents and sibs. Variant not found in gnomAD v4. Proband presented at birth with clubfoot. At 13 yrs he had fatigue, mild to severe muscle weakness (severe in hip extensors), camptodactyly. The CK value was normal, but muscle biopsy showed myofibrillar disorganization.

PMID: 25558065 Alazami et al., 2015
Large cohort of consanguineous families. Method: WES.
Individual 12DG0104 had a FBN2 variant NM_001999:c.1064G>A, p.G355D, and presented with fetal akinesia with brain ischemia and neonatal death.

FBN2 is associated with AD Contractural arachnodactyly, congenital, OMIM:121050 in OMIM. The association between FBN2 and AD congenital contractural arachnodactyly is classified as Definitive in ClinGen (Nov 2025, Hereditary Cardiovascular Disease GCEP). Resources accessed 6th Aug 2026.
Ehlers Danlos syndrome with a likely monogenic cause v4.14 FBN2 Ida Ertmanska reviewed gene: FBN2: Rating: GREEN; Mode of pathogenicity: None; Publications: 25558065, 28383543, 33571691, 38791509; Phenotypes: Contractural arachnodactyly, congenital, OMIM:121050, congenital contractural arachnodactyly, MONDO:0007363; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Ehlers Danlos syndrome with a likely monogenic cause v2.32 FBN2 Ivone Leong Phenotypes for gene: FBN2 were changed from Contractural arachnodactyly, congenital, 121050 to Contractural arachnodactyly, congenital, OMIM:121050
Ehlers Danlos syndrome with a likely monogenic cause v1.43 FBN2 Duncan Baker reviewed gene: FBN2: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Ehlers Danlos syndrome with a likely monogenic cause v1.42 FBN2 Eleanor Williams reviewed gene: FBN2: Rating: AMBER; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Ehlers Danlos syndrome with a likely monogenic cause v1.41 FBN2 Eleanor Williams Source NHS GMS was added to FBN2.
Rating Changed from Green List (high evidence) to Green List (high evidence)
Ehlers Danlos syndrome with a likely monogenic cause FBN2 Angela Brady reviewed FBN2
Ehlers Danlos syndrome with a likely monogenic cause FBN2 Neeti Ghali reviewed FBN2
Ehlers Danlos syndrome with a likely monogenic cause FBN2 Louise Daugherty edited their review of FBN2
Ehlers Danlos syndrome with a likely monogenic cause FBN2 Louise Daugherty classified FBN2 as green
Ehlers Danlos syndrome with a likely monogenic cause FBN2 Louise Daugherty commented on FBN2