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Table 2 Different targets of ctDNA in HCC

From: Liquid biopsy in hepatocellular carcinoma: circulating tumor cells and circulating tumor DNA

Region

HCC patients

Background liver status

ctDNA abnormalities methodology

Target

Ref.

United States

14

HBVa: 7.1%

Single nucleotide mutation

TP53, CTNNB1, PTEN, CDKN2A, ARID1A, MET

Ikeda et al [54], 2018

HCVb: 50%

Alcohol: 14%

Amplification NGSc

CDK6, EGFR, MYC, BRAF, RAF1, FGFR1, CCNE1, PIK3CA

 

Taiwan

237

HBV: 57.4%

HCV: 29.5%

Methylation

Pyrosequencing,

Real-time PCRd

TBX2

Wu et al [55], 2017

Taiwan

180

HBV: 43%

HCV: 15%

Methylation

MS-PCRe

APC, COX2, RASSF1A

Lu et al [56], 2017

China

41

Alcohol: 34%

LCf: 59%

HBV: 92.7%

Single nucleotide mutation

MiSeq™ system

TP53, CTNNB1, TERT

Liao et al [57], 2016

China

48

HBV: 81%

LC: 83%

Single nucleotide mutation

ddPCRg

TP53, CTNNB1, TERT

Huang et al [58], 2016

Taiwan

40

Not applicable

Methylation MS-PCR

HOXA9

Kuo et al [59], 2014

China

121

HBV: 83%

Methylation

MS-PCR

MT1M

Ji et al [60], 2014

United States

66

HCV: 100%

HCV and HBV: 6%

Methylation

Pyrosequencing,

MS-PCR

INK4A

Huang et al [61], 2014

China

160

HBV: 22%

Methylation

MS-PCR

TRG5

Han et al [62], 2014

China

37

HBV: 100%

Methylation

Bead Chip,

Hot-start PCR,

Pyrosequencing

DBX2, THY1

Zhang et al [63], 2013

China

43

HBV: 86%

Methylation

MS-PCR

TFPI2

Sun et al [64], 2013

Italy

66

HCV: 51%

Alcohol: 27%

Quantitative analysis

Real-time PCR

hTERT

Piciocchi et al [65], 2013

Egypt

40

HCV: 100%

Methylation

Real-time PCR

RASSF1A

Mohamed et al [66], 2012

Japan

220

HCV: 100%

Methylation MS-PCR

SPINT2, SRD5A2

Iizuka et al [67], 2011

China

72

HBV: 85%

Methylation

MSRE-qPCRh

APC, GSTP1, RASSF1A, SFRP1

Huang et al [68], 2011

China

60

Not applicable

Quantitative analysis

FQ-PCRi

hTERT

Yang et al [69], 2011

Egypt

28

HCV: 79%

HBV: 18%

Methylation

MS-PCR

APC, FHIT, P15, P16 E-cadherin

Iyer et al [70], 2010

China

130

Mostly HBV

Single nucleotide mutation

RFLPj and SOMAk

R249S (TP53 mutation)

Szymanska et al [71], 2009

China

19

HBV: 89%

Methylation

MS-PCR

APC, GSTP1, RASSF1A, P16, E-cadherin

Chang et al [72], 2008

Hong Kong

85

HBV: 92%

Methylation

RT-PCRl

RASSFIA

Chan et al [28], 2008

Taiwan

50

HBV: 22%

HCV: 16%

Methylation

MS-PCR

P15, P16

Zhang et al [73], 2007

Singapore

8

Not applicable

Methylation MS-PCR

RUNX3

Tan et al [74], 2007

China

79

HBV: 85%

LC: 86%

Quantitative analysis

Real-time PCR

Allelic imbalance analysis

Not applicable

D8S258

D8S264

Ren et al [75], 2006

Japan

52

HCV: 100%

Quantitative analysis

Real-time PCR

GSTP1

Iizuka et al [76], 2006

Hong Kong

40

HBV: 83%

Methylation

MS-PCR

RASSF1A

Yeo et al [77], 2005

Korea

46

HBV: 65%

HCV: 22%

Methylation

MS-PCR

P16INK4A

Chu et al [78], 2004

Hong Kong

49

Not applicable

Methylation

MS-PCR

p16INK4a

Wong et al [79], 2003

Qidong, China

25

HBV: 84%

Single nucleotide mutation

Direct sequencing

249Ser p53 mutation

Huang et al [80], 2003

Hong Kong

25

HBV: 88%

HCV: 2%

Methylation

MS-PCR

P16

Wong et al [81], 2000

  1. aHepatitis B Virus
  2. bHepatitis C Virus
  3. cNext-Generation Sequencing
  4. dPolymerase Chain Reaction
  5. eMethylation-specific PCR
  6. fLiver cirrhosis
  7. gDroplet Digital PCR
  8. hMethylation-sensitive restriction enzymes-based quantitative PCR
  9. iReal-time quantitative fluorescent PCR
  10. jRestriction fragment length polymorphism
  11. kShort oligonucleotide mass analysis
  12. lReverse transcription PCR