RIGI and neoplasm: Furthermore, as a multifunctional molecule, RIG-I is involved not only in the antiviral response but also in other regulatory processes in the body, such as cellular apoptosis, immune homoeostasis, and anti-tumour and protumour processes (Heidegger et al, 2019a; Jiang et al, 2023; Wang et al, 2022; Yang et al, 2017).