Table 4 Genetic profile of 11 cases of ATRX-intact astrocytoma, IDH-mutant.

From: Genomic profiles of IDH-mutant gliomas: MYCN-amplified IDH-mutant astrocytoma had the worst prognosis

Case

TERTp (n = 5)

TP53-mutation (%: VAF) (n = 13)

Copy number variation (n = 9)

Others (%: VAF)

1

C228T

p.Arg273Cys, c.817C > T (84.2%)

MYCN amplification (X21)

GLI amplification (X21)

CDK4 amplification (X21)

 

2

C228T

p.Val197Gly, c.590 T > G (7.5%)

p.Arg273Cys, c.817C > T (6.7%)

Chr 19 deletion (1 copy)

FUBP1 p.Asp83_Ser84delins Ala, c.248_250 + 1delACTG (13.5%)

3

C228T

p.Glu224*, c.670G > T (85.7%)

Chr 11 gain, Chr 22 deletion, 1p/19q co-deletion

 

4

C228T

p.Tyr220Cys, c.659A > G (7.5%)

Absent

CIC p.His264Arg, c.791A > G (83%)

5

C228T

Absent

Absent

 

6

Absent

p.Val274Ala, c.821 T > C (91.1%)

PDGFRA amp (X16), CDKN2A/2B homozygous deletion

PTEN homozygous deletion

RB1 homozygous deletion

 

7

Absent

p.His179Tyr, c.535C > T (88.0%)

MYCN amp (X20)

CDKN2A/2B homozygous deletion

PTEN hemizygous deletion

Chr 19 deletion

 

8

Absent

p.Phe113Val, c.337 T > G (56.5%)

EGFR amplification

CDK4 amplification

 

9

Absent

p.Gly59fs, c.168_175dupAGACCCAG (32.0%)

PTEN hemizygous deletion

 

10

Absent

p.Arg282Trp, c.844C > T (93.8%)

CDK4 amplification

 

11

Absent

p.Arg248Trp, c.742C > T (29.6%)

Chr 7 gain

 

12

Absent

p.His179Arg, c.536A > G (80.2%)

Absent

 

13

Absent

p.His193Arg, c.578A > G (59.8%)

Absent

 

14

Absent

p.Phe113Val, c.337 T > G (55.79%)

Absent

APC p.Ala1492Thr, c.4474G > A (10.33%)

15

Absent

Absent

Absent

NF1 p.Leu2324*, c.6971 T > A (25.93%)

16

Absent

Absent

Absent

 

17

Absent

Absent

Absent

 
  1. VAF variant allele frequency.