Genetic Variant CEMIP2:c.3956-14_3956-3dupTTTTTTTTTTTT (chr9-71685395-T-TAAAAAAAAAAAA) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_013390.3(CEMIP2):c.3956-14_3956-3dupTTTTTTTTTTTT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000086 ( 0 hom., cov: 0)

Exomes 𝑓: 0.000069 ( 0 hom. )

Consequence

CEMIP2
NM_013390.3 splice_region, intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.302

Publications

3 publications found

Variant links:

Genes affected

CEMIP2 (HGNC:11869): (cell migration inducing hyaluronidase 2) This gene encodes a type II transmembrane protein that belongs to the interferon-induced transmembrane (IFITM) protein superfamily. The encoded protein functions as a cell surface hyaluronidase that cleaves extracellular high molecular weight hyaluronan into intermediate size fragments before internalization and degradation in the lysosome. It also has an interferon-mediated antiviral function in humans through activation of the JAK STAT signaling pathway. The activation of this gene by transcription factor SOX4 in breast cancer cells has been shown to mediate the pathological effects of SOX4 on cancer progression. Naturally occurring mutations in this gene are associated with autosomal recessive non-syndromic hearing loss. [provided by RefSeq, Mar 2017]

CEMIP2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CEMIP2	NM_013390.3 link	c.3956-14_3956-3dupTTTTTTTTTTTT		splice_region_variant, intron_variant	Intron 23 of 23	ENST00000377044.9	NP_037522.1	Q9UHN6-1A0A024R229

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CEMIP2	ENST00000377044.9 link	c.3956-3_3956-2insTTTTTTTTTTTT		splice_region_variant, intron_variant	Intron 23 of 23	1	NM_013390.3	ENSP00000366243.4		Q9UHN6-1

Frequencies

GnomAD3 genomes

AF:

0.0000860

AC:

AN:

116342

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000205

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000237

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.000266

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000337

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000687

AC:

AN:

1062532

Hom.:

Cov.:

AF XY:

0.0000768

AC XY:

AN XY:

507876

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.000225

AC:

AN:

22246

American (AMR)

AF:

0.000346

AC:

AN:

11548

Ashkenazi Jewish (ASJ)

AF:

0.000133

AC:

AN:

15040

East Asian (EAS)

AF:

0.000458

AC:

AN:

26190

South Asian (SAS)

AF:

0.000256

AC:

AN:

31242

European-Finnish (FIN)

AF:

0.0000827

AC:

AN:

24176

Middle Eastern (MID)

AF:

0.000339

AC:

AN:

2954

European-Non Finnish (NFE)

AF:

0.0000418

AC:

AN:

885904

Other (OTH)

AF:

0.0000463

AC:

AN:

43232

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.341

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000860

AC:

AN:

116318

Hom.:

Cov.:

AF XY:

0.000129

AC XY:

AN XY:

54080

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.000205

AC:

AN:

29274

American (AMR)

AF:

0.00

AC:

AN:

10662

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3084

East Asian (EAS)

AF:

0.000238

AC:

AN:

4194

South Asian (SAS)

AF:

0.00

AC:

AN:

3486

European-Finnish (FIN)

AF:

0.000266

AC:

AN:

3756

Middle Eastern (MID)

AF:

0.00

AC:

AN:

210

European-Non Finnish (NFE)

AF:

0.0000337

AC:

AN:

59294

Other (OTH)

AF:

0.00

AC:

AN:

1540

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.290

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.30

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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9-71685395-TAAAAAAAAAAAAA-TAAAAAAAAAAAAAAAAAAAAAAAAA

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over