Provided below are ELISA kits targeting meteorin like, glial cell differentiation regulator, a human protein encoded by METRNL. This protein is 311 amino acids long, with a mass of 34.4 kDa, and is a member of the Meteorin family. 2 isoforms have been identified. This is reported to be a secreted protein. Other alias names for this protein include: meteorin-like protein, cometin, meteorin glial cell differentiation regulator-like, and subfatin. ELISA kits are available that are reactive to rat variants of the target antigen.