Used in biomedical research to quantify levels of interleukin-1 receptor antagonist (IL1Ra) in rat samples, this ELISA kit enables accurate measurement of IL1Ra concentration in serum, plasma, cell culture supernatants, and tissue extracts. It is widely applied in studies related to inflammation, autoimmune diseases, and immune response regulation. Researchers use it to assess the role of IL1Ra in models of arthritis, sepsis, neurodegenerative disorders, and metabolic diseases. The kit supports high sensitivity and specificity, allowing detection of subtle changes in IL1Ra levels during experimental treatments or disease progression. It is a valuable tool for preclinical research aiming to understand anti-inflammatory mechanisms and evaluate potential therapeutics.