CD47 and triple-negative breast carcinoma: Before investigation of psCV1-hIgG1 transfection and fusion protein functionality, expression of CD47 was measured by flow cytometry on human lung and triple-negative breast carcinoma cell lines A549 and MDA-MB-231 and their metastatic variants 231/LM2-4 and 231/LM2-4-EGFPLuc, respectively (Figure S2).