Genetic Variant MIR379:n.22G>A (chr14-101022087-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The ENST00000362218.5(MIR379):n.22G>A variant causes a non coding transcript exon change. The variant allele was found at a frequency of 0.0000245 in 530,174 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

MIR379
ENST00000362218.5 non_coding_transcript_exon

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.78

Publications

5 publications found

Variant links:

COSMIC-nc: COSV62997289

Genes affected

MIR379 (HGNC:31872): (microRNA 379) microRNAs (miRNAs) are short (20-24 nt) non-coding RNAs that are involved in post-transcriptional regulation of gene expression in multicellular organisms by affecting both the stability and translation of mRNAs. miRNAs are transcribed by RNA polymerase II as part of capped and polyadenylated primary transcripts (pri-miRNAs) that can be either protein-coding or non-coding. The primary transcript is cleaved by the Drosha ribonuclease III enzyme to produce an approximately 70-nt stem-loop precursor miRNA (pre-miRNA), which is further cleaved by the cytoplasmic Dicer ribonuclease to generate the mature miRNA and antisense miRNA star (miRNA*) products. The mature miRNA is incorporated into a RNA-induced silencing complex (RISC), which recognizes target mRNAs through imperfect base pairing with the miRNA and most commonly results in translational inhibition or destabilization of the target mRNA. The RefSeq represents the predicted microRNA stem-loop. [provided by RefSeq, Sep 2009]

MIR379 links:

LOC124903407 (HGNC:):

LOC124903407 links:

MEG8 (HGNC:14574): (maternally expressed 8, small nucleolar RNA host gene) This gene is located in a cluster of imprinted genes on chromosome 14q32.3. It encodes a a non-protein coding transcript that is preferentially expressed from the maternal allele in skeletal muscle, and appears to be coordinately regulated with other imprinted genes in this region. [provided by RefSeq, Oct 2010]

MEG8 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.35).

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	Protein
MIR379	NR_029871.1 link	n.22G>A	non_coding_transcript_exon_variant	Exon 1 of 1
MIR379	unassigned_transcript_2376	n.17G>A	non_coding_transcript_exon_variant	Exon 1 of 1
LOC124903407	XM_047432049.1 link	c.*1283G>A	3_prime_UTR_variant	Exon 5 of 5	XP_047288005.1
MIR379	unassigned_transcript_2377	n.-22G>A	upstream_gene_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MIR379	ENST00000362218.5 link	n.22G>A		non_coding_transcript_exon_variant	Exon 1 of 1	6
MEG8	ENST00000636391.2 link	n.2086-5259G>A		intron_variant	Intron 24 of 28	5

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152220

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000941

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000797

AC:

AN:

251046

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.0000617

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000882

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000185

AC:

AN:

377954

Hom.:

Cov.:

AF XY:

0.00000932

AC XY:

AN XY:

214586

show subpopulations

African (AFR)

AF:

0.000382

AC:

AN:

10468

American (AMR)

AF:

0.00

AC:

AN:

36252

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

11690

East Asian (EAS)

AF:

0.00

AC:

AN:

13046

South Asian (SAS)

AF:

0.00

AC:

AN:

66496

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32264

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2818

European-Non Finnish (NFE)

AF:

0.0000159

AC:

AN:

188400

Other (OTH)

AF:

0.00

AC:

AN:

16520

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.411

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:

0.0000394

AC:

AN:

152220

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74360

show subpopulations

African (AFR)

AF:

0.0000724

AC:

AN:

41462

American (AMR)

AF:

0.0000654

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.0000941

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.558

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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000378

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.35

CADD

Benign

(source)

DANN

Benign

0.83

PhyloP100

3.8

Splicing

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

Publications

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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