Provided below are ELISA kits targeting trichohyalin like 1, a human protein encoded by TCHHL1. This protein is 904 amino acids long, with a mass of 99.3 kDa, and is a member of the S-100 family. Other alias names for this protein include: trichohyalin-like protein 1, S100 calcium-binding protein A17, basalin, and S100A17.