IFNA13 (Interferon Alpha 13): IFNA13 is a cytokine belonging to the interferon alpha family, which plays a crucial role in immune defence against viral infections and tumour growth. It activates the innate immune system, inducing genes that inhibit viral replication, enhance cell-mediated immunity, and promote apoptosis of infected or cancerous cells. Its functions in antiviral defence and cancer immunotherapy highlight its significance in immune regulation and anti-tumour activity.