COL4A1

collagen type IV alpha 1 chain
OMIM: 120130, Gene2Phenotype

25 panels

Panel Reviews Mode of inheritance Details
25 panels
Red COL4A1 in Glaucoma (developmental)

Level 3: Anterior segment abnormalities
Level 2: Ophthalmological disorders
Version 1.47

review Not set
Sources
  • NHS GMS
  • Emory Genetics Laboratory
Phenotypes
  • Eye Disorders
Red COL4A1 in Cerebral vascular malformations


Level 2: Neurology
Version 4.10
Latest signed off version: v4.0 (30 Apr 2025)

review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Yorkshire and North East GLH
  • NHS GMS
  • Expert Review Red
  • Other
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • {Hemorrhage, intracerebral, susceptibility to}, 614519
  • Brain Small Vessel Disease with Hemorrhage
  • {Hemorrhage, intracerebral, susceptibility to}
  • Brain small vessel disease with or without ocular anomalies
Green COL4A1 in Hydrocephalus


Level 2: Neurology
Version 5.8
Latest signed off version: v5.0 (7 Aug 2024)

review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • NHS GMS
  • Expert Review Green
  • Literature
Phenotypes
  • Brain small vessel disease with or without ocular anomalies, OMIM:175780
Green COL4A1 in White matter disorders and cerebral calcification - narrow panel


Level 2: Neurology
Version 7.11
Latest signed off version: v7.0 (30 Apr 2025)

Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    Phenotypes
    • Variable phenotype - porencephaly, destructive cerebral lesions, eye anomalies, intracerebral calcification
    • Porencephaly 1
    Green COL4A1 in Familial cerebral small vessel disease

    Level 3: Arteriopathies
    Level 2: Cardiovascular disorders
    Version 1.18

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Illumina TruGenome Clinical Sequencing Services
    • Expert list
    • Radboud University Medical Center, Nijmegen
    • UKGTN
    • Literature
    Phenotypes
    • Cerebral Small Vessel Disease
    • stroke
    • migraine
    • Axenfeld-Rieger Anomaly
    • cognitive impairment
    • dementia
    • seizures
    • myopathy
    • infantile hemiparesis
    • developmental delay
    • Porencephaly 1 175780
    • {Hemorrhage, intracerebral, susceptibility to} 614519
    Green COL4A1 in Bilateral congenital or childhood onset cataracts


    Level 2: Ophthalmology
    Version 7.6
    Latest signed off version: v7.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Green
    • UKGTN
    Phenotypes
    • Brain small vessel disease with or without ocular anomalies
    • complex ocular phenotypes involving microphthalmia
    • Congenital cataracts
    Green COL4A1 in Adult onset leukodystrophy


    Level 2: Neurology
    Version 6.8
    Latest signed off version: v6.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Green
    • NHS GMS
    • Yorkshire and North East GLH
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, 611773
    • Brain small vessel disease with or without ocular anomalies, 175780
    Green COL4A1 in Malformations of cortical development


    Level 2: Neurology
    Version 7.30
    Latest signed off version: v7.0 (30 Oct 2024)

    Component of the following Super Panels:

  • Cerebral malformation
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • NHS GMS
    • Literature
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, OMIM:611773
    • Brain small vessel disease with or without ocular anomalies, OMIM:175780
    • Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, OMIM:618564
    • {Hemorrhage, intracerebral, susceptibility to}, OMIM:614519
    Green COL4A1 in Cystic kidney disease


    Level 2: Renal
    Version 8.5
    Latest signed off version: v8.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Cystic renal disease
  • Unexplained young onset end-stage renal disease
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Expert Review
    Phenotypes
    • Exophytic renal cysts
    • raised creatinine kinase
    • tortuous retinal vessels
    • intracranial anuerysms
    • haematuria
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps 611773
    Green COL4A1 in Intracerebral calcification disorders

    Level 3: Parenchymal brain disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.36

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Expert list
    Phenotypes
    • Porencephaly 1
    • Variable phenotype - porencephaly, destructive cerebral lesions, eye anomalies, intracerebral calcification
    Red COL4A1 in Inherited white matter disorders

    Level 3: White matter disorders
    Level 2: Neurology and neurodevelopmental disorders
    Version 1.186

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Red
    • Literature
    Red COL4A1 in Thoracic aortic aneurysm or dissection (GMS)


    Level 2: Cardiology
    Version 4.5
    Latest signed off version: v4.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Red
    • South West GLH
    • South West GLH
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle, 611773
    • Hereditary Angiopathy with Nephropathy, Aneurysms, and Muscle Cramps
    Red COL4A1 in Thoracic aortic aneurysm or dissection

    Level 3: Connective tissue disorders and aortopathies
    Level 2: Cardiovascular disorders
    Version 1.129

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • South West GLH
    • Expert Review Red
    • Radboud University Medical Center, Nijmegen
    • Illumina TruGenome Clinical Sequencing Services
    Phenotypes
    • Hereditary Angiopathy with Nephropathy, Aneurysms, and Muscle Cramps
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle, 611773
    Amber COL4A1 in Congenital muscular dystrophy


    Level 2: Neurology
    Version 6.8
    Latest signed off version: v6.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Hypotonic infant
  • Other rare neuromuscular disorders
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Amber
    • NHS GMS
    • London South GLH
    • Expert Review
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, OMIM:611773
    • autosomal dominant familial hematuria-retinal arteriolar tortuosity-contractures syndrome, MONDO:0012726
    Red COL4A1 in Arthrogryposis


    Level 2: Neurology
    Version 9.24
    Latest signed off version: v9.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Red
    • Expert Review
    Phenotypes
    • walker warburg syndrome, muscle eye brain disease
    Green COL4A1 in Adult onset neurodegenerative disorder


    Level 2: Neurology
    Version 8.11
    Latest signed off version: v8.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • NHS GMS
    • Expert list
    Phenotypes
    • Brain small vessel disease with or without ocular anomalies, OMIM:175780
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps, OMIM:611773
    • Microangiopathy and leukoencephalopathy, pontine, autosomal dominant, OMIM:618564
    • {Hemorrhage, intracerebral, susceptibility to}, OMIM:614519
    Green COL4A1 in Fetal anomalies


    Level 2: Fetal (including NIPD)
    Version 6.140
    Latest signed off version: v6.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Green
    • PAGE DD-Gene2Phenotype
    Phenotypes
    • PORENCEPHALY 1
    Green COL4A1 in DDG2P


    Version 6.424
    Latest signed off version: v6.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Paediatric disorders
  • review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Green
    • DD-Gene2Phenotype
    Phenotypes
    • PORENCEPHALY 1 175780
    Green COL4A1 in Haematuria


    Level 2: Renal
    Version 2.17
    Latest signed off version: v2.15 (30 Apr 2025)

    Component of the following Super Panels:

  • Unexplained young onset end-stage renal disease
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • NHS GMS
    • Expert Review Green
    • Expert Review
    Phenotypes
    • Exophytic renal cysts
    • haematuria
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps OMIM:611773
    Green COL4A1 in Anophthalmia or microphthalmia

    Level 3: Ocular malformations
    Level 2: Ophthalmological disorders
    Version 1.56

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Expert Review Green
    • Emory Genetics Laboratory
    Green COL4A1 in Early onset or syndromic epilepsy


    Level 2: Neurology
    Version 8.120
    Latest signed off version: v8.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Paediatric disorders
  • Unexplained death in infancy and sudden unexplained death in childhood
  • review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • Wessex and West Midlands GLH
    • NHS GMS
    • Expert Review Green
    • Victorian Clinical Genetics Services
    • Expert
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps 611773
    • Brain small vessel disease with or without ocular anomalies 607595
    • Porencephaly 1 175780
    • Schizencephaly 269160
    Green COL4A1 in Intellectual disability


    Level 2: Developmental disorders
    Version 9.279
    Latest signed off version: v9.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Childhood onset leukodystrophy
  • Hypotonic infant
  • Paediatric disorders
  • review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • Expert Review Green
    • Radboud University Medical Center, Nijmegen
    Phenotypes
    • Porencephaly 1, 175780Brain small vessel disease with hemorrhage, 607595Angiopathy, hereditary, with nephropathy, aneurysms, and muscle, 611773Brain small vessel disease with Axenfeld-Rieger anomaly, 607595{Hemorrhage, intracerebral, susceptibility to}, 614519
    • PORENCEPHALY 1
    Green COL4A1 in Retinal disorders


    Level 2: Ophthalmology
    Version 8.86
    Latest signed off version: v8.0 (30 Apr 2025)

    review MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
    Sources
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • Eye Disorders
    Green COL4A1 in Structural eye disease


    Level 2: Ophthalmology
    Version 4.37
    Latest signed off version: v4.0 (7 Aug 2024)

    review MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
    Sources
    • NHS GMS
    • Expert Review Green
    Phenotypes
    • BRAIN SMALL VESSEL DISEASE WITH OR WITHOUT OCULAR ANOMALIES 175780
    Red COL4A1 in Proteinuric renal disease


    Level 2: Renal
    Version 5.7
    Latest signed off version: v5.0 (30 Apr 2025)

    Component of the following Super Panels:

  • Unexplained young onset end-stage renal disease
  • review Not set
    Sources
    • NHS GMS
    Phenotypes
    • Angiopathy, hereditary, with nephropathy, aneurysms, and muscle cramps #611773