Used in immunological research to quantify C3a receptor 1 levels in biological samples, this ELISA kit enables accurate measurement of receptor expression in immune cells. It supports studies on inflammation, autoimmune diseases, and allergic responses by detecting changes in C3AR1 associated with complement system activation. Commonly applied in drug development and biomarker validation, it helps assess therapeutic impact on complement-mediated pathways in conditions like asthma, sepsis, and neurodegenerative disorders.