Figure 3. Levels of secreted TGF-β in blood plasma of healthy donors, primary and metastatic breast cancer patients and AML patients. TGF-β concentrations were measured in blood plasma of healthy donors, patients with primary breast tumours, patients with metastatic breast solid tumours and AML patients (n=6 for all donor types). Data are shown as mean values ± SEM (data for each patient are shown). * - p < 0.05 vs healthy donors.