The bead-based NexaTag Human Crossveinless-2 (CV-2/BMPER) qIPCR ELISA Kit merges the specificity of sandwich-based ELISA, the sensitivity of real-time PCR, and the easy manipulation of microspheres to detect even the lowest levels of Crossveinless-2/CV-2/BMPER in serum, plasma, and cell culture supernatant samples.