Cisplatin is a platinum-containing compound with significant applications in biochemical and cancer research. It functions by inducing cross-links within and between DNA strands, which disrupts DNA synthesis and transcription, leading to cell cycle arrest and apoptosis. In research, cisplatin is used to study the cellular responses to DNA damage and the mechanisms of DNA repair. Its effectiveness in causing DNA lesions makes it useful for examining the pathways that cells use to maintain genetic integrity. Studies involving cisplatin have provided insights into the molecular basis of cell death and the survival mechanisms employed by cancer cells, including the roles of various DNA repair proteins and signaling pathways in determining cell fate. Research with cisplatin also contributes to the understanding of chemical resistance mechanisms, as cancer cells can develop resistance to DNA-damaging agents over time.