Overview of DC differentiation pathways in mice. Flt3, FLT3 fms-like tyrosine kinase 3, FLT3L FLT3 ligand, GM-CSF granulocyte macrophage colony-stimulating factor, CLP common lymphoid precursors, CMP common myeloid precursors, MDP macrophage DC precursor, pDC plasmacytoid dendritic cells, cDC conventional dendritic cells, mcDC merocytic DC