Genetic Variant MIR325HG:n.411+1786G>T (chrX-77005490-C-A) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The ENST00000630388.2(MIR325HG):n.411+1786G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000156 in 384,739 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 2 hemizygotes in GnomAD. 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 0.000027 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 0.000011 ( 0 hom. 2 hem. )

Consequence

MIR325HG
ENST00000630388.2 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.15

Publications

0 publications found

Variant links:

Genes affected

MIR325HG (HGNC:50346): (MIR325 host gene)

MIR325HG links:

MIR325 (HGNC:31768): (microRNA 325) 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]

MIR325 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.27).

BS2

High Hemizygotes in GnomAdExome4 at 2 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000630388.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	HGVSc	Effect	Exon Rank
MIR325	NR_029905.1	n.12G>T	non_coding_transcript_exon	Exon 1 of 1
MIR325HG	NR_110400.2	n.306+8737G>T	intron	N/A
MIR325HG	NR_110401.2	n.411+1786G>T	intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank
MIR325HG	ENST00000630388.2	TSL:1	n.411+1786G>T	intron	N/A
MIR325	ENST00000385260.1	TSL:6	n.12G>T	non_coding_transcript_exon	Exon 1 of 1
MIR325HG	ENST00000626742.1	TSL:4	n.381+1786G>T	intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.0000268

AC:

AN:

111812

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000976

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000221

AC:

AN:

180791

AF XY:

0.0000298

show subpopulations

Gnomad AFR exome

AF:

0.000153

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000110

AC:

AN:

272927

Hom.:

Cov.:

AF XY:

0.0000185

AC XY:

AN XY:

108375

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

8364

American (AMR)

AF:

0.00

AC:

AN:

28717

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

8688

East Asian (EAS)

AF:

0.00

AC:

AN:

9755

South Asian (SAS)

AF:

0.0000502

AC:

AN:

39879

European-Finnish (FIN)

AF:

0.00

AC:

AN:

24316

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1784

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

139130

Other (OTH)

AF:

0.00

AC:

AN:

12294

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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:

0.0000268

AC:

AN:

111812

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

33990

show subpopulations

African (AFR)

AF:

0.0000976

AC:

AN:

30749

American (AMR)

AF:

0.00

AC:

AN:

10545

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2639

East Asian (EAS)

AF:

0.00

AC:

AN:

3558

South Asian (SAS)

AF:

0.00

AC:

AN:

2661

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6083

Middle Eastern (MID)

AF:

0.00

AC:

AN:

238

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

53143

Other (OTH)

AF:

0.00

AC:

AN:

1510

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000434

Hom.:

Bravo

AF:

0.0000302

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.27

CADD

Benign

(source)

DANN

Benign

0.84

PhyloP100

1.1

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over