Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of cancer with a B1SP fusion protein in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The cancer may be prostate cancer, breast cancer, ovarian cancer, bladder cancer, kidney cancer, glioblastoma or endometrial cancer. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the B1SP fusion protein may include a sema domain, a structural stabilization domain; and a half life extending moiety.

Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of cancer with a B1SP fusion protein in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The cancer may be prostate cancer, breast cancer, ovarian cancer, bladder cancer, kidney cancer, glioblastoma or endometrial cancer. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the B1SP fusion protein may include a sema domain, a structural stabilization domain; and a half life extending moiety.

Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of cancer with a B1SP fusion protein in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The cancer may be prostate cancer, breast cancer, ovarian cancer, bladder cancer, kidney cancer, glioblastoma or endometrial cancer. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the B1SP fusion protein may include a sema domain, a structural stabilization domain; and a half life extending moiety.

Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of prostate cancer with a SEMA3C inhibitor in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the SEMA3C inhibitor may be selected from one or more of the following: an antibody, a SEMA3C peptide, an antisense RNA, a siRNA, a shRNA or a small molecule.

Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of prostate cancer with a SEMA3C inhibitor in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the SEMA3C inhibitor may be selected from one or more of the following: an antibody, a SEMA3C peptide, an antisense RNA, a siRNA, a shRNA or a small molecule.

Abstract: Provided are methods, uses and pharmaceutical compositions for treatment of prostate cancer with a SEMA3C inhibitor in a biologically effective amount sufficient to cause cell death of a prostate cancer cell or to inhibit proliferation of the prostate cancer cells. The prostate cancer may be an androgen receptor (AR) positive prostate cancer and the SEMA3C inhibitor may be selected from one or more of the following: an antibody, a SEMA3C peptide, an antisense RNA, a siRNA, a shRNA or a small molecule.

Abstract: This invention provides a method for selecting a clone of an ES cell containing a mutation in a gene that is expressed in a test cell comprising: (a) providing cDNA obtained by reverse transcription of mRNA of the test cell; (b) providing a collection of cultured ES cells organized into individual clones, wherein each clone is of an ES cell having a mutation in an exon in its genome, the mutation being in a different exon in cells of different clones; (c) providing an array of different single stranded polynucleotides, the polynucleotides being fragments of exons containing mutations in (b); (d) exposing the cDNA to the array under conditions permitting hybridization of polynucleotides in the array to nucleic acids; (e) detecting hybridization of cDNA to a polynucleotide on the array; and, (f) selecting a clone in the collection from which a hybridizing polynucleotide detected at (c) is an exon fragment. This invention also provides a system for testing expression of a gene in a test cell.

Abstract: Methods and DNA constructs are provided for detection and manipulation of a target eukaryotic gene whose expression is restricted to certain tissues or specialized cell types. The methods include transforming a cell with a first indicator component under the control of a promoter selected for its restricted expression in a particular cell or tissue. The cell is also transformed with a gene trap vector encoding a second indicator component. The cell is allowed to differentiate to produce specialized cell or tissue which is monitored for expression of both the first and second indicator components, thereby detecting a gene into which the trap vector has integrated which is expressed in the same cell or tissue type as the selected promoter.

Abstract: This invention provides a method for selecting a clone of an ES cell containing a mutation in a gene that is expressed in a test cell comprising: (a) providing cDNA obtained by reverse transcription of mRNA of the test cell; (b) providing a collection of cultured ES cells organized into individual clones, wherein each clone is of an ES cell having a mutation in an exon in its genome, the mutation being in a different exon in cells of different clones; (c) providing an array of different single stranded polynucleotides, the polynucleotides being fragments of exons containing mutations in (b); (d) exposing the cDNA to the array under conditions permitting hybridization of polynucleotides in the array to nucleic acids; (e) detecting hybridization of cDNA to a polynucleotide on the array; and, (f) selecting a clone in the collection from which a hybridizing polynucleotide detected at (c) is an exon fragment. This invention also provides a system for testing expression of a gene in a test cell.