Genetic Variant PPARG:c.529+21A>T (chr3-12392773-A-T) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_138711.6(PPARG):c.529+21A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00406 in 1,613,258 control chromosomes in the GnomAD database, including 240 homozygotes. 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 0.022 ( 131 hom., cov: 32)

Exomes 𝑓: 0.0022 ( 109 hom. )

Consequence

PPARG
NM_138711.6 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.00900

Publications

6 publications found

Variant links:

Genes affected

PPARG (HGNC:9236): (peroxisome proliferator activated receptor gamma) This gene encodes a member of the peroxisome proliferator-activated receptor (PPAR) subfamily of nuclear receptors. PPARs form heterodimers with retinoid X receptors (RXRs) and these heterodimers regulate transcription of various genes. Three subtypes of PPARs are known: PPAR-alpha, PPAR-delta, and PPAR-gamma. The protein encoded by this gene is PPAR-gamma and is a regulator of adipocyte differentiation. Additionally, PPAR-gamma has been implicated in the pathology of numerous diseases including obesity, diabetes, atherosclerosis and cancer. Alternatively spliced transcript variants that encode different isoforms have been described. [provided by RefSeq, Jul 2008]

PPARG Gene-Disease associations (from GenCC):

PPARG-related familial partial lipodystrophy
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics, G2P, Genomics England PanelApp
Berardinelli-Seip congenital lipodystrophy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

PPARG links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0747 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PPARG	NM_138711.6 link	c.529+21A>T		intron_variant	Intron 5 of 7	ENST00000651735.1	NP_619725.3	P37231E9PFV2D2KUA6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PPARG	ENST00000651735.1 link	c.529+21A>T		intron_variant	Intron 5 of 7		NM_138711.6	ENSP00000498313.1		E9PFV2

Frequencies

GnomAD3 genomes

AF:

0.0221

AC:

3361

AN:

152208

Hom.:

131

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0768

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00851

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000265

Gnomad OTH

AF:

0.0129

GnomAD2 exomes

AF:

0.00576

AC:

1442

AN:

250482

AF XY:

0.00421

show subpopulations

Gnomad AFR exome

AF:

0.0792

Gnomad AMR exome

AF:

0.00325

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000150

Gnomad OTH exome

AF:

0.00329

GnomAD4 exome

AF:

0.00218

AC:

3183

AN:

1460932

Hom.:

109

Cov.:

AF XY:

0.00177

AC XY:

1287

AN XY:

726788

show subpopulations

African (AFR)

AF:

0.0785

AC:

2626

AN:

33448

American (AMR)

AF:

0.00374

AC:

167

AN:

44650

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39634

South Asian (SAS)

AF:

0.000244

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53350

Middle Eastern (MID)

AF:

0.00365

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.0000468

AC:

AN:

1111396

Other (OTH)

AF:

0.00490

AC:

296

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.480

Heterozygous variant carriers

151

302

454

605

756

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

168

252

336

420

<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:

0.0221

AC:

3373

AN:

152326

Hom.:

131

Cov.:

AF XY:

0.0213

AC XY:

1586

AN XY:

74482

show subpopulations

African (AFR)

AF:

0.0769

AC:

3196

AN:

41572

American (AMR)

AF:

0.00850

AC:

130

AN:

15296

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.000207

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000265

AC:

AN:

68024

Other (OTH)

AF:

0.0128

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

Heterozygous variant carriers

167

333

500

666

833

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

128

160

<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:

0.0124

Hom.:

Bravo

AF:

0.0253

Asia WGS

AF:

0.00635

AC:

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

0.014

(source)

DANN

Benign

0.55

PhyloP100

0.0090

Mutation Taster

=100/0

polymorphism (auto)

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over