Factors related to macroorganisms. CLR, C-type lectin receptors; DC, dendritic cell; IL, interleukin; INF, interferon; MF, macrophages; NLR, NOD-like receptors; RLR, RIG-I-like receptors; TIL, tumour-infiltrating lymphocytes; TLR, Toll-like receptors; TNF, tumour necrosis factor.