To demonstrate the immunosuppressive function of VEGFR2+ myeloid cells, we cocultured BM-myeloid cells from NTB mice as well as MC38, Flk-1fl/fl, and Csf1r-Cre+Flk-1fl/fl TB mice with CFSE-labeled wild-type CD8+ T cells. This evidence concerns the gene CD8A and tuberculosis.