Fig. 1

Parvimonas micra promotes cancer cell proliferation. A–C Detection of P. micra promoting cancer cell line proliferation through cell counting, MTT assay, and real-time cell analysis. Data are expressed as mean ± SD from 3 independent experiments. D–G LoVo cells treated with Pm-42, DH5α, or PBS were subcutaneously injected into male BALB/C nude mice to produce xenograft tumors in animals. Data are expressed as mean ± SD, n = 5. D Images of xenograft mice. E The change of tumor size in xenograft mice. F The weight of tumor in xenograft mice. G The detection of 17 cytokines in the sera of xenograft mice