Table 1 Clinico-pathologic annotation of PDX models. 5-FU: 5-fluorouracil; Ox: oxaliplatin; Ir: irinotecan; Cet: cetuximab; Bev: bevacizumab.
Model | PDX-L1 (footnote 1) | PDX-L2 | PDX-R1* | PDX-R2 (footnote 1) |
|---|---|---|---|---|
Primary tumor location | Left colon | Left colon | Right colon | Right colon |
Biopsy site | Vaginal wall | Ovary | Liver | Periumbilical soft tissue |
Patient sex | Female | Female | Male | Female |
Age at diagnosis | 64 | 61 | 28 | 62 |
Race/ethnicity | White/non-hispanic | White/non-hispanic | White/non-hispanic | White/non-hispanic |
Histology†| Mucinous Adenocarcinoma, pools of mucin, segmental and dirty necrosis | Adenocarcinoma, not otherwise specified | Adenocarcinoma, extensive angiolymphatic invasion | Adenocarcinoma, not otherwise specified |
Stage at diagnosis | T3N1M0 | T3N2M1 | T4N2M1 | T3N0M1 |
Tumor grade | Intermediate | Low | High | Unknown |
Genetics‡ | BRAF (V600E) | TP53 (c.96 + 1 G > T) | BRAF (V600E), TP53 (I195N), PIK3CA (G1049S) | BRAF (V600E), TP53 (R175H) |
Lines of chemo prior to biopsy | 3 | Â 1 | 3 | 2 |
Prior chemotherapy agents | 5-FU, Ox, Ir, Cetux, Bev | 5-FU, Ox | 5-FU, Ox, Ir, Cetux, Bev | 5-FU, Ox, Ir, Bev |
PDX passage # | 6 | 1 | 2 | 5 |