NM_004637.6(RAB7A):c.87G>A (p.Val29=) AND Charcot-Marie-Tooth disease type 2B

Clinical significance:Benign (Last evaluated: Nov 21, 2020)

Review status:2 stars out of maximum of 4 stars

criteria provided, multiple submitters, no conflicts

Based on:
2 submissions [Details]
Record status:
current
Accession:
RCV001087702.3

Allele description [Variation Report for NM_004637.6(RAB7A):c.87G>A (p.Val29=)]

NM_004637.6(RAB7A):c.87G>A (p.Val29=)

Gene:
RAB7A:RAB7A, member RAS oncogene family [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
3q21.3
Genomic location:
Preferred name:
NM_004637.6(RAB7A):c.87G>A (p.Val29=)
HGVS:
  • NC_000003.12:g.128797976G>A
  • NG_008070.1:g.76841G>A
  • NM_004637.6:c.87G>AMANE SELECT
  • NP_004628.4:p.Val29=
  • NP_004628.4:p.Val29=
  • LRG_266t1:c.87G>A
  • LRG_266:g.76841G>A
  • LRG_266p1:p.Val29=
  • NC_000003.11:g.128516819G>A
  • NM_004637.5:c.87G>A
Links:
dbSNP: rs145441548
NCBI 1000 Genomes Browser:
rs145441548
Molecular consequence:
  • NM_004637.6:c.87G>A - synonymous variant - [Sequence Ontology: SO:0001819]

Condition(s)

Name:
Charcot-Marie-Tooth disease type 2B (CMT2B)
Synonyms:
CHARCOT-MARIE-TOOTH DISEASE, AUTOSOMAL DOMINANT, TYPE 2B; HEREDITARY MOTOR AND SENSORY NEUROPATHY IIB; Charcot-Marie-Tooth disease, axonal, type 2b; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0010949; MedGen: C1833219; Orphanet: 99936; OMIM: 600882

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000440715Illumina Clinical Services Laboratory,Illuminacriteria provided, single submitter
Benign
(Jan 12, 2018)
germlineclinical testing

Citation Link,

SCV000638309Invitaecriteria provided, single submitter
Benign
(Nov 21, 2020)
germlineclinical testing

PubMed (1)
[See all records that cite this PMID]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240-242.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Illumina Clinical Services Laboratory,Illumina, SCV000440715.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Invitae, SCV000638309.4

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Dec 4, 2021

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