Abstract: The present invention relates to methods and compositions for the diagnosis and therapy of prostate cancer which utilize isolated polynucleotides corresponding to the human SGP28 gene, proteins encoded by the SGP28 gene and fragments thereof, and antibodies capable of specifically recognizing and binding to SGP28 proteins.

Abstract: A novel gene (designated 213P1F11) and its encoded protein, and variants thereof, are described wherein 213P1F11 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 213P1F11 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 213P1F11 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 213P1F11 can be used in active or passive immunization.

Abstract: A novel gene (designated 213P1F11) and its encoded protein, and variants thereof, are described wherein 213P1F11 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 213P1F11 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 213P1F11 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 213P1F11 can be used in active or passive immunization.

Abstract: A novel gene (designated 84P2A9) and its encoded protein is described. While 84P2A9 exhibits prostate and testis specific expression in normal adult tissue, it is aberrantly expressed multiple cancers including prostate, testis, kidney, brain, bone, skin, ovarian, breast, pancreas, colon, lymphocytic and lung cancers. Consequently, 84P2A9 provides a diagnostic and/or therapeutic target for cancers, and the 84P2A9 gene or fragment thereof, or its encoded protein or a fragment thereof used to elicit an immune response.

Abstract: A novel gene (designated 238P1B2) and its encoded protein, and variants thereof, are described wherein 238P1B2 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 238P1B2 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 238P1B2 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 238P1B2 can be used in active or passive immunization.

Abstract: A novel gene (designated 125P5C8) and its encoded protein, and variants thereof, are described wherein 125P5C8 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 125P5C8 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 125P5C8 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 125P5C8 can be used in active or passive immunization.

Abstract: A novel gene (designated 184P1E2) and its encoded protein, and variants thereof, are described wherein 184P1E2 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 184P1E2 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 184P1E2 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 184P1E2 can be used in active or passive immunization.

Abstract: A novel gene (designated 103P2D6) and its encoded protein are described. 103P2D6 is not expressed in normal adult tissue, but is highly expressed in prostate tissue xenografts, providing evidence that it is turned on in prostate cancer. 103P2D6 is also expressed in some fetal tissues, and in breast, bladder, lung, bone, colon, pancreatic, testicular, cervical and ovarian cancers. Consequently, 103P2D6 provides a diagnostic and/or therapeutic target for cancers, and the 103P2D6 gene or fragment thereof, or its encoded protein or a fragment thereof can be used to elicit an immune response.

Abstract: A novel testis-specific gene expressed in human prostate cancer, designated 22P4F11, is described. Analysis of 22P4F11 mRNA expression in normal prostate, prostate tumor xenografts, and a variety of normal tissues indicates that the expression of this gene is testis specific in normal tissues. The 22P4F11 gene is also expressed in human prostate tumors, in some cases at high levels. A full length cDNA encoding 22P4F11 is provided. The 22P4F11 transcript and/or protein may represent a useful diagnostic marker and/or therapeutic target for prostate cancer.

Abstract: A novel gene (designated 108P5H8) and its encoded protein, and variants thereof, are described wherein 108P5H8 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 108P5H8 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 108P5H8 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 191P1E1B can be used in active or passive immunization.

Abstract: A novel gene (designated 84P2A9) and its encoded protein is described. While 84P2A9 exhibits prostate and testis specific expression in normal adult tissue, it is aberrantly expressed multiple cancers including prostate, testis, kidney, brain, bone, skin, ovarian, breast, pancreas, colon, lymphocytic and lung cancers. Consequently, 84P2A9 provides a diagnostic and/or therapeutic target for cancers, and the 84P2A9 gene or fragment thereof, or its encoded protein or a fragment thereof used to elicit an immune response.

Abstract: Described is a gene and its encoded secreted tumor antigen, termed 36P6D5, and to diagnostic and therapeutic methods and compositions useful in the management of various cancers which express 36P6D5, particularly including cancers of the bladder, kidney, prostate, breast, colon, ovary and pancreas.

Abstract: The present invention relates to a novel protein designated 20P2H8 which shares homology with several heterogeneous nuclear ribonucleoproteins (hnRNPs). A full length approximately 3600 bp 20P2H8 cDNA (SEQ ID NO: 1, encoding a 517 amino acid open reading frame (SEQ ID NO: 2), is provided herein.

Abstract: A novel gene (designated 85P1B3) and its encoded protein are described. While 85P1B3 exhibits tissue specific expression in normal adult tissue, it is aberrantly expressed in multiple cancers including set forth in Table 1. Consequently, 85P1B3 provides a diagnostic and/or therapeutic target for cancers. The 85P1B3 gene or fragment thereof, or its encoded protein or a fragment thereof, can be used to elicit an immune response.

Abstract: A novel gene (designated 121P1F1) and its encoded protein are described. While 121P1F1 exhibits tissue specific expression in normal adult tissue, it is aberrantly expressed in multiple cancers including prostate, bladder, kidney, brain, bone, cervical, uterine, ovarian, breast, pancreatic, stomach, colon, rectal, leukocytic, liver and lung cancers. Consequently, 121P1F1 provides a diagnostic and/or therapeutic target for cancers, and the 121P1F1 gene or fragment thereof, or its encoded protein or a fragment thereof used to elicit an immune response.

Abstract: A novel gene (designated 125P5C8) and its encoded protein, and variants thereof, are described wherein 125P5C8 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 125P5C8 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 125P5C8 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 125P5C8 can be used in active or passive immunization.

Abstract: Described is a novel family of cell surface serpentine transmembrane antigens. Two of the proteins in this family are exclusively or predominantly expressed in the prostate, as well as in prostate cancer, and thus members of this family have been termed “STEAP” (Six Transmembrane Epithelial Antigen of the Prostate). Four particular human STEAPs are described and characterized herein. The human STEAPs exhibit a high degree of structural conservation among them but show no significant structural homology to any known human proteins. The prototype member of the STEAP family, STEAP-1, appears to be a type IIIa membrane protein expressed predominantly in prostate cells in normal human tissues. Structurally, STEAP-1 is a 339 amino acid protein characterized by a molecular topology of six transmembrane domains and intracellular N- and C-termini, suggesting that it folds in a “serpentine” manner into three extracellular and two intracellular loops.

Abstract: A novel gene (designated 108P5H8) and its encoded protein, and variants thereof, are described wherein 108P5H8 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table I. Consequently, 108P5H8 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 108P5H8 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 191P1E1B can be used in active or passive immunization.

Abstract: Described is a novel family of cell surface serpentine transmembrane antigens. Two of the proteins in this family are exclusively or predominantly expressed in the prostate, as well as in prostate cancer, and thus members of this family have been termed “STEAP” (Six Transmembrane Epithelial Antigen of the Prostate). Four particular human STEAPs are described and characterized herein. The human STEAPs exhibit a high degree of structural conservation among them but show no significant structural homology to any known human proteins. The prototype member of the STEAP family, STEAP-1, appears to be a type IIIa membrane protein expressed predominantly in prostate cells in normal human tissues. Structurally, STEAP-1 is a 339 amino acid protein characterized by a molecular topology of six transmembrane domains and intracellular N- and C-termini, suggesting that it folds in a “serpentine” manner into three extracellular and two intracellular loops.

Abstract: A novel gene (designated 161P5C5) and its encoded protein, and variants thereof, are described wherein 161P5C5 exhibits tissue specific expression in normal adult tissue, and is aberrantly expressed in the cancers listed in Table 1. Consequently, 161P5C5 provides a diagnostic, prognostic, prophylactic and/or therapeutic target for cancer. The 161P5C5 gene or fragment thereof, or its encoded protein, or variants thereof, or a fragment thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 161P5C5 can be used in active or passive immunization.