NM_000530.8(MPZ):c.418T>A (p.Ser140Thr) AND Charcot-Marie-Tooth disease

Germline classification:: Likely pathogenic (2 submissions)
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000789485.2

Allele description [Variation Report for NM_000530.8(MPZ):c.418T>A (p.Ser140Thr)]

NM_000530.8(MPZ):c.418T>A (p.Ser140Thr)

Gene:

MPZ:myelin protein zero [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1q23.3

Genomic location:

Preferred name:

NM_000530.8(MPZ):c.418T>A (p.Ser140Thr)

HGVS:

NC_000001.11:g.161306738A>T
NG_008055.1:g.8235T>A
NM_000530.8:c.418T>AMANE SELECT
NM_001315491.2:c.418T>A
NP_000521.2:p.Ser140Thr
NP_001302420.1:p.Ser140Thr
LRG_256t1:c.418T>A
LRG_256:g.8235T>A
NC_000001.10:g.161276528A>T
NM_000530.6:c.418T>A

Protein change:

S140T

Links:

dbSNP: rs572010627

NCBI 1000 Genomes Browser:

rs572010627

Molecular consequence:

NM_000530.8:c.418T>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001315491.2:c.418T>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Charcot-Marie-Tooth disease
Synonyms:: Charcot-Marie-Tooth Neuropathy
Identifiers:: MONDO: MONDO:0015626; MedGen: C0007959; OMIM: PS118220

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000928841	Inherited Neuropathy Consortium	no assertion criteria provided	Uncertain significance	germline	literature only	PubMed (1) [See all records that cite this PMID]
SCV001336814	Molecular Genetics Laboratory, London Health Sciences Centre	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000928841

Inherited Neuropathy Consortium

no assertion criteria provided

Uncertain significance

germline

literature only

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

SCV001336814

Molecular Genetics Laboratory, London Health Sciences Centre

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic

germline

clinical testing

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

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing, literature only

Citations

PubMed

Charcot-Marie-Tooth neuropathy: clinical phenotypes of four novel mutations in the MPZ and Cx 32 genes.

Street VA, Meekins G, Lipe HP, Seltzer WK, Carter GT, Kraft GH, Bird TD.

Neuromuscul Disord. 2002 Oct;12(7-8):643-50.

PubMed [citation]

PMID:: 12207932

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Inherited Neuropathy Consortium, SCV000928841.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	literature only	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Molecular Genetics Laboratory, London Health Sciences Centre, SCV001336814.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Mar 16, 2025

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