In normal tissues, highly expressed in testis. Expressed also in many different types of cancers: highly expressed in breast cancer, prostate cancer and many types of lung cancers, including squamous cell carcinoma, small cell carcinoma, non-small cell carcinoma, and adenocarcinoma, as well as in Ewing's cell lines, in some Ewing's sarcoma patient samples, and in one of one alveolar rhabdomyosarcoma patient sample.