RECURRENT GENE FUSIONS IN PROSTATE CANCER

• US 20130040858A1
• Filed: 05/30/2012
• Published: 02/14/2013
• Est. Priority Date: 09/12/2005
• Status: Active Grant

• Current Assignee: Brigham and Women's Hospital Incorporated
• Original Assignee: Brigham and Women's Hospital Incorporated, Board of Regents of the University of Michigan (University of Michigan)
• Inventors: Tomlins, Scott, Rhodes, Daniel, Chinnaiyan, Arul, Mehra, Rohit, Rubin, Mark A., Sun, Xiao-Wei, Perner, Sven, Lee, Charles, Demichelis, Francesca
• Granted Patent: US 9,284,609 B2
• Time in Patent Office: Days
• US Class Current: 506/16
• CPC Class Codes: A01K 2217/072 maintaining or altering function, i.e. knock in
• CPC Class Codes: A01K 2217/206 Animal model comprising tissue-specific expression system, e.g. tissue specific expression of transgene, of Cre recombinase
• CPC Class Codes: A01K 2227/105 Murine
• CPC Class Codes: A01K 2267/0331 Animal model for proliferative diseases
• CPC Class Codes: A01K 67/0275 Genetically modified vertebrates, e.g. transgenic
• CPC Class Codes: C07K 14/82 Translation products from oncogenes
• CPC Class Codes: C07K 2319/00 Fusion polypeptide
• CPC Class Codes: C12N 15/113 Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing when used in plants C12N15/8218
• CPC Class Codes: C12N 2310/11 Antisense
• CPC Class Codes: C12N 2310/14 interfering N.A.
• CPC Class Codes: C12N 9/6424 Serine endopeptidases (3.4.21)
• CPC Class Codes: C12N 9/6445 Kallikreins (3.4.21.34; 3.4.21.35)
• CPC Class Codes: C12Q 1/6886 for cancer immunoassay for cancer G01N33/574
• CPC Class Codes: C12Q 2600/106 Pharmacogenomics, i.e. genetic variability in individual responses to drugs and drug metabolism
• CPC Class Codes: C12Q 2600/112 Disease subtyping, staging or classification
• CPC Class Codes: C12Q 2600/118 Prognosis of disease development
• CPC Class Codes: C12Q 2600/136 Screening for pharmacological compounds
• CPC Class Codes: C12Q 2600/156 Polymorphic or mutational markers
• CPC Class Codes: C12Q 2600/158 Expression markers
• CPC Class Codes: G01N 33/57434 of prostate
• CPC Class Codes: Y10S 435/81 : Packaged device or kit

Abstract

Recurrent gene fusions of androgen regulated genes and ETS family member genes in prostate cancer are described. Compositions and methods having utility in prostate cancer diagnosis, research, and therapy are also provided.

Claims

1. A composition comprising an oligonucleotide probe comprising a sequence that hybridizes to a junction of a chimeric nucleic acid molecule in which a 5′

portion of the chimeric nucleic acid molecule is from a TMPRSS2 gene and a 3′

portion of the chimeric nucleic acid molecule is from an ETS family member gene, wherein the ETS family member gene is selected from the group consisting of ERG, ETV1 (ER81), FLI1, ETS1, ETS2, ELK1, ETV6 (TEL1), ETV7 (TEL2), GABPα

, ELF1, ETV4 (E1AF;

PEA3), ETV5 (ERM), ERF, PEA3/E1AF, PU.1, ESE1/ESX, SAP1 (ELK4), ETV3 (METS), EWS/FLI1, ESE1, ESE2 (ELF5), ESE3, PDEF, NET (ELK3;

SAP2), NERF (ELF2), and FEV.

2. The composition of claim 1, wherein the ETS family member gene is ERG.

3. The composition of claim 1, wherein the ETS family member gene is ETV1.

4. The composition of claim 1, wherein the ETS family member gene is FLI1.

5. The composition of claim 1, wherein the ETS family member gene is ETV4.

6. The composition of claim 1, wherein the 5′

portion of the chimeric nucleic acid molecule is from a transcriptional regulatory region of the TMPRSS2 gene.

7. The composition of claim 6, wherein the transcriptional regulatory region comprises a promoter region of the TMPRSS2 gene.

8. A kit comprising the composition of claim 1.

9. The kit of claim 8, further comprising an oligonucleotide probe that hybridizes to a prostate cancer antigen 3 (PCA3) nucleic acid molecule.

10. The kit of claim 8, further comprising an oligonucleotide probe that hybridizes to a prostate specific antigen (PSA) nucleic acid molecule.

11. The kit of claim 9, further comprising an oligonucleotide probe that hybridizes to a PSA nucleic acid molecule.

12. The kit of claim 8, further comprising an oligonucleotide probe that hybridizes to a nucleic acid molecule selected from one or more of the group consisting of PCA3, AMACR/P504S, PCGEM1, prostein/P501S, P503S, P504S, P509S, P510S, prostase/P703P, and P710P.

13. The kit of claim 10, further comprising an oligonucleotide probe that hybridizes to a nucleic acid molecule selected from one or more of the group consisting of PCA3, AMACR/P504S, PCGEM1, prostein/P501S, P503S, P504S, P509S, P510S, prostase/P703P, and P710P.

14. A kit comprising the composition of claim 2.

15. The kit of claim 14, further comprising an oligonucleotide probe that hybridizes to a PCA3 nucleic acid molecule.

16. A composition comprising an oligonucleotide probe comprising a sequence that hybridizes to a junction of a chimeric nucleic acid molecule in which a 5′

portion of the chimeric nucleic acid molecule is from a TMPRSS2 gene and a 3′

portion of the chimeric nucleic acid molecule is from an ERG gene.

17. The composition of claim 16, wherein the 5′

portion of the chimeric nucleic acid molecule is from a transcriptional regulatory region of the TMPRSS2 gene.

18. The composition of claim 17, wherein the transcriptional regulatory region comprises a promoter region of the TMPRSS2 gene.

19. A kit comprising the composition of claim 16.

20. The kit of claim 19, further comprising an oligonucleotide probe that hybridizes to a PCA3 nucleic acid molecule.

21. The kit of claim 19, further comprising an oligonucleotide probe that hybridizes to a PSA nucleic acid molecule.

22. The kit of claim 19, further comprising an oligonucleotide probe that hybridizes to a nucleic acid molecule selected from one or more of the group consisting of PCA3, AMACR/P504S, PCGEM1, prostein/P501S, P503S, P504S, P509S, P510S, prostase/P703P, and P710P.

23. The kit of claim 21, further comprising an oligonucleotide probe that hybridizes to a nucleic acid molecule selected from one or more of the group consisting of PCA3, AMACR/P504S, PCGEM1, prostein/P501S, P503S, P504S, P509S, P510S, prostase/P703P, and P710P.

24. A composition comprising a hybridized oligonucleotide:

target gene fusion duplex, wherein the target gene fusion comprises a fusion of a TMPRSS2 gene with an ERG, an ETV1, or an ETV4 gene, wherein the oligonucleotide is hybridized to a junction of a chimeric nucleic acid molecule in which a 5′

portion of the nucleic acid molecule is from a TMPRSS2 gene and a 3′

portion of the nucleic acid molecule is from the ERG, the ETV1, or the ETV4 gene, and wherein the target gene fusion is obtained from a tissue, blood, urine, semen, prostatic secretion, plasma, serum, urine supernatant, urine cell pellet, or prostate cell sample.

25. The composition of claim 24, wherein the 5′

portion of the chimeric nucleic acid molecule is from a transcriptional regulatory region of the TMPRSS2 gene.

26. The composition of claim 25, wherein the transcriptional regulatory region comprises a promoter region of the TMPRSS2 gene.