ITGB1 and triple-negative breast carcinoma: Reinforcing this; the most significant (p=3.5×10-25) individual marker of cluster 0res0.75 is ITGB1 (CD29, a well-documented breast SCLC cell marker [23]), and of cluster 3res0.75 is HMGA1 (p=1.8×10-15), a driver of the stem-like state in triple negative breast cancer cells [30] (Figure 5Biii).