NM_001029.5(RPS26):c.3+2T>G AND Diamond-Blackfan anemia 10

Germline classification:: Likely pathogenic (2 submissions)
Last evaluated:: Oct 5, 2021
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV001783693.7

Allele description [Variation Report for NM_001029.5(RPS26):c.3+2T>G]

NM_001029.5(RPS26):c.3+2T>G

Gene:

RPS26:ribosomal protein S26 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

12q13.2

Genomic location:

Preferred name:

NM_001029.5(RPS26):c.3+2T>G

HGVS:

NC_000012.12:g.56042171T>G
NG_023201.1:g.5270T>G
NG_125851.1:g.633T>G
NG_125851.2:g.633T>G
NM_001029.5:c.3+2T>GMANE SELECT
LRG_1146t1:c.3+2T>G
LRG_1146:g.5270T>G
NC_000012.11:g.56435955T>G

Links:

dbSNP: rs2136753495

NCBI 1000 Genomes Browser:

rs2136753495

Molecular consequence:

NM_001029.5:c.3+2T>G - splice donor variant - [Sequence Ontology: SO:0001575]

Condition(s)

Name:: Diamond-Blackfan anemia 10 (DBA10)
Identifiers:: MONDO: MONDO:0013217; MedGen: C2750080; Orphanet: 124; OMIM: 613309

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002019076	Revvity Omics, Revvity	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (Sep 10, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002115959	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely pathogenic (Oct 5, 2021)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 16199547, 20116044, 23718193, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002019076

Revvity Omics, Revvity

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely pathogenic
(Sep 10, 2021)

germline

clinical testing

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

SCV002115959

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely pathogenic
(Oct 5, 2021)

germline

clinical testing

PubMed (4)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

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

Splicing in action: assessing disease causing sequence changes.

Baralle D, Baralle M.

J Med Genet. 2005 Oct;42(10):737-48. Review.

PubMed [citation]

PMID:: 16199547
PMCID:: PMC1735933

See all PubMed Citations (5)

Details of each submission

From Revvity Omics, Revvity, SCV002019076.3

#	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	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Invitae, SCV002115959.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. This variant has not been reported in the literature in individuals affected with RPS26-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change affects a donor splice site in intron 1 of the RPS26 gene. It is expected to disrupt RNA splicing. Variants that disrupt the donor or acceptor splice site typically lead to a loss of protein function (PMID: 16199547), and loss-of-function variants in RPS26 are known to be pathogenic (PMID: 20116044, 23718193).

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

Last Updated: Mar 16, 2024

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