3-Deazauridine is primarily explored for its potential in antiviral and anticancer research. It functions as a nucleoside analog, which allows it to interfere with the synthesis of RNA and DNA in viruses and cancer cells. This mechanism makes it a candidate for inhibiting the replication of certain viruses and slowing the growth of tumors. In antiviral studies, it has shown activity against RNA viruses by disrupting their genetic material synthesis. In oncology, it is investigated for its ability to selectively target cancer cells, potentially enhancing the efficacy of chemotherapy. Research continues to explore its therapeutic applications and optimize its use in clinical settings.