Ready-to-use ELISA kits are available for the detection of C1QDC2, an alias of the protein, C1q and TNF related 12. The official gene symbol is C1QTNF12. The protein, with a mass of 32.4 kDa and length of 302 residues, is reported to be secreted. It is a member of the Adipolin/erythroferrone family and may be known by other names, including: complement C1q tumor necrosis factor-related protein 12, adipose-derived insulin-sensitizing factor, C1q domain containing 2, C1q and tumor necrosis factor related protein 12, C1q and TNF related protein 12, and adipolin, and protein FAM132A.