The PathHunter U2OS TrkA-p75 Bioassay Kit provides an easy-to-use cell based assay to measure drug potency and detect neutralizing antibodies. This bioassay asseses ligand (e.g. FSH, Human) based on activation of TrkA-p75 Kinase activity via detection of . The included cell line overexpresses ProLink-tagged TrkA-p75 and EA-tagged . Activation of TrkA-p75 stimulates the recruitment of and produces EFC signal. Bioassay kits are a convenient, ready-to-use format which contains all materials needed to run the assay, including single-use vials of cryopreserved cells, cell plating media, control agonist, detection reagent, and assay plates.