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Table 2 Immunohistological assessment of metastases in antibody-treated and non-treated (control) HTM and TM

From: A novel rabbit derived anti-HER2 antibody with pronounced therapeutic effectiveness on HER2-positive breast cancer cells in vitro and in humanized tumor mice (HTM)

 

9 weeks

21 weeks

HTM control

HTM control

HTM Trast

HTM Pert

HTM B100

p-value (control vs. B100)

TM control

TM B100

p-value (control vs. B100)

Lung

1/3

4/4

3/3

3/4

1/5

0.048

3/4

4/7

1

Liver

2/3

6/6

3/3

1/4

(p = 0.0333)

2/5

0.061

3/4

3/7

0.546

Brain

2/3

8/8

3/3

3/4

0/5

0.0008

3/4

2/7

0.242

  1. SK-BR-3 transplanted HTM and TM were immunohistologically stained using anti-HER2 antibodies in the lung, liver, and brain. HTM were analyzed in the age of 9 weeks (start of therapy) and in the age of ~ 21 weeks (end of therapy/experiment). The number of animals with detectable HER2-positive metastasis of the total number of animals (n/n) is indicated. Statistical differences were calculated using the two-sided Fisher’s exact test and significant differences are marked in italics