CAPZB and breast carcinoma: Interestingly, CapZβ was found to be one of the protein markers for breast cancer grading and staging [46], and V1 significantly inhibited the metastasis of triple-negative breast cancer (TNBC) cells, e.g., 4T1 and CA1a, in various experimental mouse models (Figs. 4, 5, S3 and S4).