The invention describes SAGE (sdph3.10) and sdp3.5 tumor associated nucleic acids,
including fragments and biologically functional variants thereof. Also included
are polypeptides and fragments thereof encoded by such nucleic acid molecules,
and antibodies relating thereto. Methods and products also are provided for diagnosing
and treating conditions characterized by expression of a sdph3.10 and/or sdp3.5
gene product.