MT-CYB and neoplasm: The qPCR analysis indicated that more mtDNA (as represented by Dloop2 and CytB) instead of nuclear DNA (as represented by Tert) was enriched within the cytoplasm of Mito‐FFa‐treated 4T1 tumor cells (Figure 4c), confirming the mtDNA leakage mediated by Mito‐FFa treatment.