Surprisingly, compared to ob-aT bASCs, ln-aT bASCs are less efficient in stimulating the proliferation of epithelial-like breast cancer cell lines BT474, MCF7 and MDA-MB-361, defying their secretion of cytokines such as FGF/FGF2, CSF3, CXCL10 and LIF. Here, CSF3 is linked to breast cancer.