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Table 2 Assessment of variant allele frequency and MSI status

From: Targeted next generation sequencing provides insight for the genetic alterations in liquid biopsy of Egyptian brain tumor patients

Variant

No. of patients

P1

P2

P3

P4

P5

P6

P7

GBM grade IV

GBM grade IV

GBM grade IV

GBM grade IV

Astrocytoma grade II

GBM grade IV

GBM grade IV

FLT3-intronic mutation

5

 

0.47

 

0.99

1

0.49

0.51

SMARCB1-intronic mutation

2

0.49

    

1

 

FGFR3 p.Thr653 = -coding silent mutation

7

0.99

0.99

1

0.99

1

0.99

0.99

HRAS p.His27 = -coding silent mutation

2

0.48

 

0.51

    

RET p.Leu769 = -coding silent mutation

7

0.47

1

1

0.51

1

1

0.50

RET p.Ser904 = -coding silent mutation

4

0.53

0.50

  

0.49

 

0.49

PDGFRA p.Val824 = -coding silent mutation

3

0.50

  

0.51

 

0.49

 

PDGFRA p.Pro567 = -coding silent mutation

7

1

0.99

1

0.99

1

1

0.99

MET p.Ser178 = -coding silent mutation

2

 

0.50

  

0.48

  

MET p.Ile377 = -coding silent mutation

1

 

0.47

     

CDKN2A p.Arg58 = -coding silent mutation

1

    

0.51

  

EGFR p.Gln787 = -coding silent mutation

6

0.99

0.48

 

0.99

0.99

1

0.51

APC p.Thr1493 = -coding silent mutation

4

0.99

  

0.48

0.99

 

0.47

IDH1 p.Gly105 = -coding silent mutation

1

 

0.49

     

KIT p.Met541Leu—missense mutation

2

  

0.48

 

0.47

  

TP53 p.Pro72Arg—missense mutation

6

 

0.46

0.50

0.52

1

0.51

0.99

KDR p.Gln472His—missense mutation

4

  

0.51

 

0.16

0.47

0.49

JAK3 p.Val718Leu—missense mutation

1

      

0.51

MSI status

7

MSI-L

MSI-HI

MSI-L

MSI-HI

MSI-L

MSI-L

MSI-HI

  1. GMB glioblastoma, MSI-L microsatellite instability-low, MSI-HI microsatellite instability-high