Table 3 Summary of 25 single nucleotide variants subjected to validation experiments.

From: eVIDENCE: a practical variant filtering for low-frequency variants detection in cell-free DNA

Gene

Sample

Chr

Genomic position

Reference

Variant

AA change

Total number of consensus reads

Number of variant reads

VAF (%)

Validation with tumor DNA by amplicon sequencing

Validation with cfDNA by digital PCR

TERT promoter

RK436

5

1295228

G

A

395

6

1.52

y

TP53

RK432

17

7577120

C

T

R273H

884

7

0.79

n

N/A

TP53

RK451

17

7577133

T

C

S269G

1,179

3

0.25

n

y

TP53

RK258

17

7578503

C

T

V143M

1,216

106

8.72

y

TP53

RK436

17

7578535

T

G

K132T

620

61

9.84

y

CTNNB1

RK451

3

41274886

A

G

Q379R

1,376

22

1.60

y

ARID1A

RK445

1

27106316

C

T

S1976F

1,035

3

0.29

n

y

ARID2

RK439

12

46231342

T

G

Y394X

816

17

2.08

y

ACVR2A

RK441

2

148657079

G

T

E106X

696

8

1.15

y

NFE2L2

RK444

2

178098809

T

C

E79G

622

5

0.80

n

y

NFE2L2

RK441

2

178098956

A

C

L30R

751

5

0.67

y

RPS6KA3

RK439

X

20193353

T

A

S386C

397

10

2.52

y

COL11A1

RK456

1

103405977

G

A

P1097L

1,264

4

0.32

n

N/A

COL11A1

RK451

1

103488365

G

T

P393Q

1,384

10

0.72

n

N/A

CTNNA2

RK445

2

80097000

G

A

R175H

1,079

4

0.37

y

ROBO2

RK432

3

77571995

G

T

M292I

685

3

0.44

y

CDH9

RK438

5

26902700

G

T

P380T

1,453

3

0.21

y

APC

RK456

5

112175232

G

A

R1314K

1,174

5

0.43

n

y

EPHA7

RK433

6

93956601

C

T

E879K

615

4

0.65

n

N/A

GLI3

RK456

7

42004860

C

A

A1271S

1,263

7

0.55

n

N/A

PREX2

RK442

8

69104007

C

T

A1466V

857

27

3.15

y

ATM

RK442

11

108121480

T

G

C430G

677

5

0.74

n

y

LRFN5

RK445

14

42356455

G

C

K209N

996

4

0.40

n

y

IGF1R

RK451

15

99251289

A

G

N198S

1,275

8

0.63

n

y

PAK7

RK439

20

9561315

A

C

L156R

788

6

0.76

n

y

  1. Note: AA, amino acid; VAF, variant allele frequency; cfDNA, cell-free DNA; y, successfully validated; n, NOT validated; N/A: not assessed due to a lack of sample volume for the experiment.