Among these approaches, the interest in the study of peptides with antitumor activity has exponentially increased in the last few decades, and numerous studies have shown that antimicrobial peptides (AMPs), naturally occurring peptides that are a component of the innate immune system in all living organisms, defending them against several pathogenic agents, including bacteria, viruses, and fungi, can display a wide spectrum of cytotoxic activity against cancer cells. The gene discussed is ADSL; the disease is cancer.