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NM_002485.5(NBN):c.896+6G>T AND Microcephaly, normal intelligence and immunodeficiency

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Aug 27, 2021
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:
RCV001364836.6

Allele description [Variation Report for NM_002485.5(NBN):c.896+6G>T]

NM_002485.5(NBN):c.896+6G>T

Gene:
NBN:nibrin [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
8q21.3
Genomic location:
Preferred name:
NM_002485.5(NBN):c.896+6G>T
HGVS:
  • NC_000008.11:g.89970358C>A
  • NG_008860.1:g.19314G>T
  • NM_001024688.3:c.650+6G>T
  • NM_002485.5:c.896+6G>TMANE SELECT
  • LRG_158:g.19314G>T
  • NC_000008.10:g.90982586C>A
Links:
dbSNP: rs1811448021
NCBI 1000 Genomes Browser:
rs1811448021
Molecular consequence:
  • NM_001024688.3:c.650+6G>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_002485.5:c.896+6G>T - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:
Microcephaly, normal intelligence and immunodeficiency (NBS)
Synonyms:
IMMUNODEFICIENCY, MICROCEPHALY, AND CHROMOSOMAL INSTABILITY; SEEMANOVA SYNDROME II; Nijmegen breakage syndrome; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0009623; MedGen: C0398791; Orphanet: 647; OMIM: 251260

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001561018Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Aug 27, 2021) 		germlineclinical testing

PubMed (3)
[See all records that cite these PMIDs]

Help

Summary from all submissions

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

Citations

PubMed

Aberrant 5' splice sites in human disease genes: mutation pattern, nucleotide structure and comparison of computational tools that predict their utilization.

Buratti E, Chivers M, Královicová J, Romano M, Baralle M, Krainer AR, Vorechovsky I.

Nucleic Acids Res. 2007;35(13):4250-63. Epub 2007 Jun 18.

PubMed [citation]
PMID:
17576681
PMCID:
PMC1934990

Statistical features of human exons and their flanking regions.

Zhang MQ.

Hum Mol Genet. 1998 May;7(5):919-32.

PubMed [citation]
PMID:
9536098
See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001561018.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (3)

Description

This sequence change falls in intron 7 of the NBN gene. It does not directly change the encoded amino acid sequence of the NBN protein. It affects a nucleotide within the consensus splice site of the intron. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with NBN-related conditions. Variants that disrupt the consensus splice site are a relatively common cause of aberrant splicing (PMID: 17576681, 9536098). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant is not likely to affect RNA splicing. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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

Last Updated: Sep 29, 2024