Description
RASopathies Eligibility (29373.1)

Relevant diseases:
- Noonan syndrome
- Noonan syndrome plus other features - Cardio-facio-cutaneous syndrome
- LEOPARD syndrome
- Costello syndrome
- Legius syndrome

RASopathies Inclusion
- At least 2 of the suggestive clinical features: - Early feeding difficulty/ failure to thrive
- Relative macrocephaly
- Short stature
- Developmental disability
- At least 1 of:
- Cardiomyopathy
- Congenital heart disease
- Arrhythmia
- Suggestive malignancy ( bladder carcinoma, Rhabdomyosarcoma, Leukaemia, phaeochromocytoma)
- Skin abnormalities (hyperkeratosis, cafe-au-lait patches, ulerythema oophorogenes, keratosis pilaris, excess
palmar skin)

RASopathies Exclusion Criteria
- Low birth weight for gestation
Prior Genetic Testing:
- Results should have been reviewed for all genetic tests undertaken. This includes review of available exome sequencing data, but where this is the case can be limited to genes specified within disease-relevant in silico panels. The patient is not eligible if a pathogenic variant has been identified in any gene related to their phenotype.
- Standard local genetic testing and nationally commissioned testing for this phenotype should have been completed AND
- Testing should be undertaken for any individual gene for which diagnostic yield is >10% for this phenotype AND
- The following specific gene tests are advised as a means of limiting the re-discovery of recognised pathogenic variants that could be more efficiently identified through the existing catalogue of UKGTN tests:

RASopathy Prior Testing Prior Testing Prior Testing Prior Testing Prior Testing Prior Testing Genes
- PTPN11, RAF1, BRAF, SOS1, KRAS, HRAS, NRAS, SHOC2, CBL, SPRED1, MAP2K1, MAP2K2

These requirements will be kept under continual review during the main programme and may be subject to change.

6 reviewers

  • Ellen McDonagh (Genomics England Curator)

    Group: other
    Workplace: other

  • Andrea Haworth (ACGS, Congenica)

    Group: Other biotech or pharmaceutical
    Workplace: Other clinical service

  • Helen Savage (Congenica Ltd)

    Group: Other biotech or pharmaceutical
    Workplace: Other clinical service

  • Ellen Thomas (Genomics England Curator)

    Group: Other
    Workplace: Other

  • Rebecca Foulger (Genomics England curator)

    Group: Other
    Workplace: Other

  • Alice Gardham (Genomics England)

    Group: Other
    Workplace: Other

20 Entities

19 reviewed, 17 green

List Entity Reviews Mode of inheritance Details
20 Entitiess
Green Green List (high evidence)
17q11.2 recurrent region (includes NF1) Loss
ISCA-37431-Loss
Region
0 reviews
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • ClinGen
  • Expert Review Green
Phenotypes
  • dysmorphic features, cardiac anomalies and mental retardation
  • 613675
  • variable facial dysmorphism, cafe-au-lait spots, neurofibromas and Lisch nodules in the iris, mental retardation, developmental delay, an excessive number of early-onset neurofibromas and an increased risk for malignant peripheral nerve sheath tumors
  • NEUROFIBROMATOSIS 1 MICRODELETION SYNDROME
  • NF1 MICRODELETION SYNDROME
  • Chromosome 17q11.2 deletion syndrome, 1.4Mb
Tags
Green Green List (high evidence)
BRAF
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • LEOPARD Syndrome
  • Noonan Syndrome
  • Cardiofaciocutaneous Syndrome
  • LEOPARD syndrome 3
  • Cardio-facio-cutaneous syndrome
Tags
Green Green List (high evidence)
CBL
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Noonan syndrome-like disorder with or without juvenile myelomonocytic leukemia
Tags
Green Green List (high evidence)
HRAS
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Expert Review Green
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Costello syndrome
Tags
Green Green List (high evidence)
KRAS
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • Noonan syndrome 3
  • Noonan syndrome
  • Cardiofaciocutaneous syndrome 2
  • Cardiofaciocutaneous Syndrome
  • Cardio-Facio-Cutaneous syndrome
  • CFC syndrome
Tags
Green Green List (high evidence)
LZTR1
3 reviews
2 green
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review
  • Expert Review Green
Phenotypes
  • Noonan syndrome 10
  • Prenatal hydrops
  • increased nuchal translucency
  • cardiac findings
Tags
Green Green List (high evidence)
MAP2K1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Expert Review Green
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Cardiofaciocutaneous syndrome 3
  • Cardiofaciocutaneous Syndrome
  • Cardio-Facio-Cutaneous syndrome
  • CFC syndrome
  • LEOPARD syndrome
  • ?Noonan syndrome
Tags
Green Green List (high evidence)
MAP2K2
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • UKGTN
Phenotypes
  • Cardiofaciocutaneous syndrome 4
  • Cardio-Facio-Cutaneous syndrome type 4
  • Cardiofaciocutaneous Syndrome
  • Cardio-Facio-Cutaneous syndrome
  • CFC syndrome
Tags
Green Green List (high evidence)
NF1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • Neurofibromatosis-Noonan Syndrome
  • Neurofibromatosis Noonan syndrome
  • Noonan syndrome
  • Neurofibromatosis syndrome 1
Tags
Green Green List (high evidence)
NRAS
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Noonan syndrome
  • Noonan syndrome 6
  • Cardio-Facio-cutanenous syndrome
  • CFC Syndrome
Tags
Green Green List (high evidence)
PPP1CB
1 review
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Expert Review Green
  • Other
Phenotypes
  • Noonan syndrome-like disorder with loose anagen hair 2, 617506
  • Rasopathy with developmental delay, short stature and sparse slow-growing hair
Tags
Green Green List (high evidence)
PTPN11
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • LEOPARD syndrome
  • LEOPARD syndrome 1
  • Noonan syndrome
  • Noonan syndrome 1
Tags
Green Green List (high evidence)
RAF1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Noonan syndrome
  • Noonan syndrome 5
  • LEOPARD syndrome
  • LEOPARD syndrome 2
Tags
Green Green List (high evidence)
RIT1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Radboud University Medical Center, Nijmegen
Phenotypes
  • Noonan syndrome 8
  • Noonan syndrome type 8
Tags
Green Green List (high evidence)
SHOC2
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Noonan-like syndrome with loose anagen hair
Tags
Green Green List (high evidence)
SOS1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Illumina TruGenome Clinical Sequencing Services
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Noonan syndrome
  • Noonan syndrome 4
Tags
Green Green List (high evidence)
SOS2
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Expert Review
  • Expert Review Green
Phenotypes
  • Noonan syndrome 9
Tags
  • curated-variant-list
Green Green List (high evidence)
SPRED1
2 reviews
1 green
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Eligibility statement prior genetic testing
  • Emory Genetics Laboratory
  • Expert Review Green
  • Radboud University Medical Center, Nijmegen
  • UKGTN
Phenotypes
  • Legius Syndrome
  • Neurofibromatosis-like syndrome
Tags
Red Red List (low evidence)
A2ML1
2 reviews
1 red
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Red
  • Other
Phenotypes
  • Noonan syndrome
Tags
Red Red List (low evidence)
RASA2
1 review
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Other
Phenotypes
  • Noonan syndrome?
Tags

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