dbSNP rs35755269: DIAPH1:p.Glu1255Glu (chr5-141516905-C-T) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_005219.5(DIAPH1):c.3765G>A(p.Glu1255Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0016 in 1,614,236 control chromosomes in the GnomAD database, including 43 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0088 ( 26 hom., cov: 33)

Exomes 𝑓: 0.00085 ( 17 hom. )

Consequence

DIAPH1
NM_005219.5 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.0460

Publications

1 publications found

Variant links:

Genes affected

DIAPH1 (HGNC:2876): (diaphanous related formin 1) This gene is a homolog of the Drosophila diaphanous gene, and has been linked to autosomal dominant, fully penetrant, nonsyndromic sensorineural progressive low-frequency hearing loss. Actin polymerization involves proteins known to interact with diaphanous protein in Drosophila and mouse. It has therefore been speculated that this gene may have a role in the regulation of actin polymerization in hair cells of the inner ear. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

DIAPH1 Gene-Disease associations (from GenCC):

DIAPH1-related sensorineural hearing loss-thrombocytopenia syndrome
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
progressive microcephaly-seizures-cortical blindness-developmental delay syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, ClinGen
autosomal dominant nonsyndromic hearing loss 1
Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae)

DIAPH1 links:

ENSG00000301000 (HGNC:):

ENSG00000301000 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.74).

BP6

Variant 5-141516905-C-T is Benign according to our data. Variant chr5-141516905-C-T is described in ClinVar as Benign. ClinVar VariationId is 178606.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.046 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00882 (1344/152360) while in subpopulation AFR AF = 0.031 (1289/41576). AF 95% confidence interval is 0.0296. There are 26 homozygotes in GnomAd4. There are 631 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 26 AD,AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005219.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DIAPH1	NM_005219.5	MANE Select	c.3765G>A	p.Glu1255Glu	synonymous	Exon 28 of 28	NP_005210.3
DIAPH1	NM_001079812.3		c.3738G>A	p.Glu1246Glu	synonymous	Exon 27 of 27	NP_001073280.1	O60610-3
DIAPH1	NM_001314007.2		c.*65G>A		3_prime_UTR	Exon 29 of 29	NP_001300936.1	A0A2R8Y5N1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DIAPH1	ENST00000389054.8	TSL:5 MANE Select	c.3765G>A	p.Glu1255Glu	synonymous	Exon 28 of 28	ENSP00000373706.4	O60610-1
DIAPH1	ENST00000518047.5	TSL:5	c.3738G>A	p.Glu1246Glu	synonymous	Exon 27 of 27	ENSP00000428268.2	O60610-3
DIAPH1	ENST00000468119.3	TSL:4	c.171G>A	p.Glu57Glu	synonymous	Exon 3 of 3	ENSP00000493546.1	H7C2W8

Frequencies

GnomAD3 genomes

AF:

0.00883

AC:

1344

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0311

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00281

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:

0.0000294

Gnomad OTH

AF:

0.00478

GnomAD2 exomes

AF:

0.00219

AC:

547

AN:

249536

AF XY:

0.00171

show subpopulations

Gnomad AFR exome

AF:

0.0309

Gnomad AMR exome

AF:

0.00174

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000265

Gnomad OTH exome

AF:

0.000495

GnomAD4 exome

AF:

0.000847

AC:

1238

AN:

1461876

Hom.:

Cov.:

AF XY:

0.000741

AC XY:

539

AN XY:

727236

show subpopulations

African (AFR)

AF:

0.0300

AC:

1004

AN:

33480

American (AMR)

AF:

0.00163

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000288

AC:

AN:

1112008

Other (OTH)

AF:

0.00204

AC:

123

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.468

Heterozygous variant carriers

145

217

290

362

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

108

144

180

<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:

0.00882

AC:

1344

AN:

152360

Hom.:

Cov.:

AF XY:

0.00847

AC XY:

631

AN XY:

74500

show subpopulations

African (AFR)

AF:

0.0310

AC:

1289

AN:

41576

American (AMR)

AF:

0.00281

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68038

Other (OTH)

AF:

0.00473

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

130

195

260

325

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<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:

0.00423

Hom.:

Bravo

AF:

0.0102

Asia WGS

AF:

0.00318

AC:

AN:

3478

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (2)

Autosomal dominant nonsyndromic hearing loss 1 (1)

Autosomal dominant nonsyndromic hearing loss 1;C5567650:Progressive microcephaly-seizures-cortical blindness-developmental delay syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.74

CADD

Benign

0.29

(source)

DANN

Benign

0.65

PhyloP100

0.046

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over