LTβR-IN-1 is primarily used in research settings to study the lymphotoxin-beta receptor (LTβR) signaling pathway. It acts as an inhibitor, helping scientists understand the role of LTβR in immune responses, inflammation, and cancer development. This compound is particularly valuable in exploring potential therapeutic strategies for autoimmune diseases, chronic inflammatory conditions, and certain cancers where LTβR signaling is dysregulated. Additionally, it aids in elucidating the mechanisms of lymphoid tissue development and function, contributing to advancements in immunology and targeted drug development.