Table 2. MICSSS marker density reported as log2 fold change post-NACT compared to pre-NACT in tumor + tTIL + sTIL.
IHC stain | Marker of | Average | Pt 1 | Pt 2 | Pt 3 | Pt 4 | Pt 5 |
---|---|---|---|---|---|---|---|
CD20 | B lymphocytes | −1.7 | −1.1 | 2.6 | −0.2 | −1.4 | −5.9 |
CD3 | T lymphocytes | −0.1 | −0.6 | −1.2 | 1 | −0.7 | −0.8 |
CD8 | Cytotoxic T lymphocytes | −0.2 | 0.3 | −0.9 | 0.7 | −1.6 | −2.5 |
FOXP3 | Treg lymphocytes | −1.7 | −1.4 | 0.5 | −1.8 | −1.4 | −2.9 |
PD-1 | Treg and T lymphocytes | 0.1 | 0.2 | 0.8 | 1.3 | −4.4 | −3.8 |
PD-L1 | Macrophages & tumor cells | −1.4 | −2.2 | 5.3 | −1.2 | −3.7 | −4 |
CD68 | Monocytes/macrophages | −0.1 | −0.2 | −0.6 | 0.8 | −1.3 | −0.1 |
CD163 | Monocytes/macrophages | −0.5 | −1.1 | −0.9 | 0.9 | −0.6 | −1.8 |
DC-LAMP | Mature dendritic cells | −2.8 | −1.9 | 4.2 | −2.2 | −0.1 | −6.5 |
CD8:FOXP3 ratio | – | 0.4 | 3.2 | −5.3 | 7.8 | −0.7 | 0.4 |
Time to recurrence (days) | – | 285 | 204 | 111 | 598 | 267 | 243 |
MICSSS, multiplexed immunohistochemical consecutive staining on single slide; NACT, neoadjuvant chemotherapy; TIL, tumor infiltrating lymphocyte; tTIL, tumor TIL; sTIL, stromal TIL; Pt, patient; Treg, regulatory T cell.