These are highlighted in the volcano plot in Fig. 6D. Noteworthy, specific upregulated transcripts, including B2m, Saa1 and Saa2, have been associated in the post-partum human mammary gland with a condition of high breast tumor risk (Asztalos et al., 2010; Borges et al., 2020; Jindal et al., 2020). This evidence concerns the gene B2M and breast neoplasm.