Arginase inhibitor 1 is primarily used in research to study the role of arginase enzymes in various biological processes. It is particularly valuable in investigating conditions where arginase activity is implicated, such as cardiovascular diseases, immune system dysregulation, and certain cancers. By inhibiting arginase, this compound helps researchers understand the pathways involving L-arginine metabolism and its impact on nitric oxide production, which is crucial for vascular function and immune responses. Additionally, it is employed in preclinical studies to explore potential therapeutic strategies for diseases associated with elevated arginase levels. Its application extends to studying its effects on cell proliferation, apoptosis, and inflammatory responses in experimental models.