Used in biomedical research to detect and quantify soluble TRAIL-R3 levels in biological samples such as serum, plasma, and cell culture supernatants. This ELISA kit helps study the role of TRAIL-R3 in apoptosis regulation, immune response, and cancer progression. It is particularly useful in experiments involving tumor biology, autoimmune diseases, and therapeutic development targeting death receptor pathways. The assay provides a reliable and sensitive method for monitoring changes in TRAIL-R3 expression under experimental conditions.