Used in biomedical research to detect and quantify levels of Annexin A2 protein in cell lysates, serum, plasma, and other biological fluids. Widely applied in studies related to cell proliferation, apoptosis, inflammation, and cancer progression due to Annexin A2's role in membrane dynamics and signal transduction. Supports research in oncology, neuroscience, and autoimmune diseases by enabling accurate measurement of protein expression changes under various experimental conditions.