Genetic Variant STAT3:p.Thr443Thr (chr17-42326152-G-A) – 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_139276.3(STAT3):c.1329C>T(p.Thr443Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000148 in 1,613,894 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00082 ( 1 hom., cov: 32)

Exomes 𝑓: 0.000078 ( 0 hom. )

Consequence

STAT3
NM_139276.3 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: -2.60

Publications

3 publications found

Variant links:

Genes affected

STAT3 (HGNC:11364): (signal transducer and activator of transcription 3) The protein encoded by this gene is a member of the STAT protein family. In response to cytokines and growth factors, STAT family members are phosphorylated by the receptor associated kinases, and then form homo- or heterodimers that translocate to the cell nucleus where they act as transcription activators. This protein is activated through phosphorylation in response to various cytokines and growth factors including IFNs, EGF, IL5, IL6, HGF, LIF and BMP2. This protein mediates the expression of a variety of genes in response to cell stimuli, and thus plays a key role in many cellular processes such as cell growth and apoptosis. The small GTPase Rac1 has been shown to bind and regulate the activity of this protein. PIAS3 protein is a specific inhibitor of this protein. This gene also plays a role in regulating host response to viral and bacterial infections. Mutations in this gene are associated with infantile-onset multisystem autoimmune disease and hyper-immunoglobulin E syndrome. [provided by RefSeq, Aug 2020]

STAT3 Gene-Disease associations (from GenCC):

hyper-IgE recurrent infection syndrome 1, autosomal dominant
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, PanelApp Australia, Labcorp Genetics (formerly Invitae), ClinGen
STAT3-related early-onset multisystem autoimmune disease
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, ClinGen, Labcorp Genetics (formerly Invitae), Orphanet, PanelApp Australia
permanent neonatal diabetes mellitus
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

STAT3 links:

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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=-0.75).

BP6

Variant 17-42326152-G-A is Benign according to our data. Variant chr17-42326152-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 508926.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-2.6 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000821 (125/152198) while in subpopulation AFR AF = 0.00275 (114/41518). AF 95% confidence interval is 0.00234. There are 1 homozygotes in GnomAd4. There are 64 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 125 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_139276.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STAT3	NM_139276.3	MANE Select	c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	NP_644805.1	P40763-1
STAT3	NM_001369512.1		c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	NP_001356441.1	P40763-1
STAT3	NM_001369513.1		c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	NP_001356442.1	P40763-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STAT3	ENST00000264657.10	TSL:1 MANE Select	c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	ENSP00000264657.4	P40763-1
STAT3	ENST00000588969.5	TSL:1	c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	ENSP00000467985.1	P40763-1
STAT3	ENST00000404395.3	TSL:1	c.1329C>T	p.Thr443Thr	synonymous	Exon 15 of 24	ENSP00000384943.3	P40763-2

Frequencies

GnomAD3 genomes

AF:

0.000822

AC:

125

AN:

152080

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00275

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000459

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.000171

AC:

AN:

251458

AF XY:

0.000103

show subpopulations

Gnomad AFR exome

AF:

0.00215

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.0000780

AC:

114

AN:

1461696

Hom.:

Cov.:

AF XY:

0.0000481

AC XY:

AN XY:

727154

show subpopulations

African (AFR)

AF:

0.00248

AC:

AN:

33474

American (AMR)

AF:

0.000112

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39692

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53402

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000108

AC:

AN:

1111888

Other (OTH)

AF:

0.000116

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

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:

0.000821

AC:

125

AN:

152198

Hom.:

Cov.:

AF XY:

0.000860

AC XY:

AN XY:

74408

show subpopulations

African (AFR)

AF:

0.00275

AC:

114

AN:

41518

American (AMR)

AF:

0.000458

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.000208

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10592

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68018

Other (OTH)

AF:

0.000473

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

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:

0.000348

Hom.:

Bravo

AF:

0.000752

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (3)

Hyper-IgE recurrent infection syndrome 1, autosomal dominant (2)

Hyper-IgE recurrent infection syndrome 1, autosomal dominant;C4288261:STAT3 gain of function (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.75

CADD

Benign

0.098

(source)

DANN

Benign

0.82

PhyloP100

-2.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=99/1

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