Cyclopiazonic acid is primarily studied for its ability to inhibit calcium ATPase in various biological systems, making it a valuable tool in biochemical research. It is used to investigate calcium homeostasis and signaling pathways in cells, helping to understand the role of calcium in cellular processes. Additionally, it has been explored in studies related to muscle contraction and relaxation mechanisms, as calcium regulation is critical in these functions. In toxicology, cyclopiazonic acid is examined for its potential effects on animal and human health, particularly in cases of food contamination by fungi that produce this compound. Its application in research contributes to advancements in understanding cellular physiology and toxicological impacts.