DNASE1 and neoplasm: The cfDNA levels in the blood serum of healthy and tumor-bearing mice and those after the i.m. treatment with Pulmozyme® or DNase I are shown in Figure 2D. The concentration of cfDNA in the blood of healthy C57Bl mice was 630 ± 94 ng/mL (Figure 2D, Table S2, Supplementary materials).