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Table 1 CTC detection in PDX models

From: The functional and clinical roles of liquid biopsy in patient-derived models

Tumor type

Mice

No. of pdx lines

Metastasis

CTC

DR

Method

References

Metastatic TNBC

NOD/SCID

2

100%

100%

Flow cytometry

[17]

Metastatic and non-metastatic

NOD/SCID

5

10/18

N/A

N/A

[18]

Metastatic and non-metastatic

BC

SCID/beige or NSG

18

50

83%

Anti-human pan-CK IHC

[19]

NA

SCID

7

0

2/7

EpCAM-based platform

[20]

Metastatic TNBC

NOD/SCID

3

70

11/72

FACS-based assay

[21]

BC

SCID

1

NA

2/7

RT-qPCR

[22]

TNBC

NSG

7

23/57

32/37

Microfluidic chip

[23]

TNBC

NSG

3

13/17

22/23

Label-free platform based on physical characteristics

[24]

  1. N/A, not available; NOD, non-obese diabetic; SCID, severe combined immunodeficient; IHC, immunohistochemistry; NSG, NOD scid gamma; DR, detection rate; qRT-PCR, quantitative real time polymerase chain reaction; EpCAM, epithelial cell adhesion molecule; BC, breast cancer; FACS, fluorescence-activated cell sorting; TNBC, triple-negative breast cancer; CRC, colorectal cancer