This invention relates generally to a multimeric polypeptide
complex/antigen which may be utilized in detecting or diagnosing diseases
of the uterus such as uterine cancer. Furthermore, the invention relates
to methods and kits, for example, which utilize this antigen or an
antibody thereto. The complex itself comprises at least one EU250
polypeptide and at least one polypeptide which may be a BU101 polypeptide
and/or a TU104 polypeptide. The complex may further comprise other, as
yet unknown, polypeptide sequences.