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Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.22 SVIL Eleanor Williams Tag watchlist tag was added to gene: SVIL.
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.22 SVIL Ida Ertmanska changed review comment from: PMID: 32779703 Hedberg-Oldfors et al., 2020
Report of 2 unrelated consanguineous families with myofibrillar myopathy. Muscle biopsy showed Structural myopathy with prominent lobulated type 1 fibres, myofibrillar disintegration and signs of altered proteostasis/impaired autophagy in all 4 affected individuals. All patients showed increased creatine kinase levels, but no or minor muscle weakness. Variable presentation, including muscle pain, slowly progressive stiffness, exercise intolerance, as well as distinct anomalies of neck and shoulder girdle; 3/4 patients presented with contractures. Very mild heart involvement.
Seq method: WES/ targeted exome with Sanger confirmation.
Family 1: Lebanese, 2 sibs affected, both homozygous for c.4812C>A, p.(Tyr1604*) - variant not in gnomAD v4.1.0. Symptom onset: childhood/adolescence.
Family 2: Turkish, 2 sibs affected, both homozygous for c.3578_3579del, p.(Val1193Glufs*46) - variant not in gnomAD v4.1.0; symptoms onset at birth/ in infancy.

SVIL is associated with AR Myofibrillar myopathy 10, MIM: 619040 (OMIM accessed 24th Nov 2025).
Sources: Literature; to: PMID: 32779703 Hedberg-Oldfors et al., 2020
Report of 2 unrelated consanguineous families with myopathy with myofibrillar disorganization. Muscle biopsy showed Structural myopathy with prominent lobulated type 1 fibres, myofibrillar disintegration and signs of altered proteostasis/impaired autophagy in all 4 affected individuals. All patients showed increased creatine kinase levels, but no or minor muscle weakness. Variable presentation, including muscle pain, slowly progressive stiffness, exercise intolerance, as well as distinct anomalies of neck and shoulder girdle; 3/4 patients presented with contractures. Very mild heart involvement.
Seq method: WES/ targeted exome with Sanger confirmation.
Family 1: Lebanese, 2 sibs affected, both homozygous for c.4812C>A, p.(Tyr1604*) - variant not in gnomAD v4.1.0. Symptom onset: childhood/adolescence.
Family 2: Turkish, 2 sibs affected, both homozygous for c.3578_3579del, p.(Val1193Glufs*46) - variant not in gnomAD v4.1.0; symptoms onset at birth/ in infancy.

SVIL is associated with AR Myofibrillar myopathy 10, MIM: 619040 (OMIM accessed 24th Nov 2025).
Sources: Literature
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.22 SVIL Ida Ertmanska changed review comment from: Comment on list classification: There are 4 individuals from 2 unrelated families reported in literature with homozygous nonsense variants in SVIL, diagnosed with myofibrillar myopathy. This gene should be rated Amber on Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies until more evidence emerges.; to: Comment on list classification: There are 4 individuals from 2 unrelated families reported in literature with homozygous nonsense variants in SVIL, diagnosed with myopathy with myofibrillar disorganization. This gene should be rated Amber on Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies until more evidence emerges.
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.22 SVIL Ida Ertmanska edited their review of gene: SVIL: Changed phenotypes to: Myofibrillar myopathy 10, OMIM:619040, myofibrillar myopathy 10, MONDO:0033620
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.22 SVIL Ida Ertmanska Phenotypes for gene: SVIL were changed from Myofibrillar myopathy 10, OMIM:619040 to Myofibrillar myopathy 10, OMIM:619040; myofibrillar myopathy 10, MONDO:0033620
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.21 SVIL Ida Ertmanska Classified gene: SVIL as Amber List (moderate evidence)
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.21 SVIL Ida Ertmanska Added comment: Comment on list classification: There are 4 individuals from 2 unrelated families reported in literature with homozygous nonsense variants in SVIL, diagnosed with myofibrillar myopathy. This gene should be rated Amber on Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies until more evidence emerges.
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.21 SVIL Ida Ertmanska Gene: svil has been classified as Amber List (Moderate Evidence).
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.20 SVIL Ida Ertmanska edited their review of gene: SVIL: Changed rating: AMBER; Changed publications to: 32779703
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.20 SVIL Ida Ertmanska changed review comment from: Sources: Literature; to: PMID: 32779703 Hedberg-Oldfors et al., 2020
Report of 2 unrelated consanguineous families with myofibrillar myopathy. Muscle biopsy showed Structural myopathy with prominent lobulated type 1 fibres, myofibrillar disintegration and signs of altered proteostasis/impaired autophagy in all 4 affected individuals. All patients showed increased creatine kinase levels, but no or minor muscle weakness. Variable presentation, including muscle pain, slowly progressive stiffness, exercise intolerance, as well as distinct anomalies of neck and shoulder girdle; 3/4 patients presented with contractures. Very mild heart involvement.
Seq method: WES/ targeted exome with Sanger confirmation.
Family 1: Lebanese, 2 sibs affected, both homozygous for c.4812C>A, p.(Tyr1604*) - variant not in gnomAD v4.1.0. Symptom onset: childhood/adolescence.
Family 2: Turkish, 2 sibs affected, both homozygous for c.3578_3579del, p.(Val1193Glufs*46) - variant not in gnomAD v4.1.0; symptoms onset at birth/ in infancy.

SVIL is associated with AR Myofibrillar myopathy 10, MIM: 619040 (OMIM accessed 24th Nov 2025).
Sources: Literature
Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies v5.20 SVIL Ida Ertmanska gene: SVIL was added
gene: SVIL was added to Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies. Sources: Literature
Mode of inheritance for gene: SVIL was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: SVIL were set to Myofibrillar myopathy 10, OMIM:619040
Review for gene: SVIL was set to GREEN
Added comment: Sources: Literature