Claims
- 1. A method for classifying lung carcinomas on the basis of gene expression, the method comprising the steps of:
a) assaying an expression level for each of a plurality of genes in a plurality of lung carcinoma samples; and, b) performing a clustering analysis on the expression levels of step a), thereby identifying classes of lung carcinomas on the basis of gene expression.
- 2. The method of claim 1, wherein said clustering analysis is selected from the group consisting of hierarchical clustering and probabilistic clustering.
- 3. A method for diagnosing a type of lung carcinoma, the method comprising the steps of:
a) assaying an expression level for each of a predetermined number of markers of lung carcinoma in a lung carcinoma sample; and, b) identifying said lung carcinoma as a predetermined type of lung carcinoma if at least one of said expression levels is greater than a reference expression level.
- 4. The method of claim 3, wherein said predetermined number is between 2 and 50.
- 5. The method of claim 3, wherein said predetermined number is greater than 50.
- 6. The method of claim 4 or 5, wherein said markers of lung carcinoma are markers of at least two different types of lung carcinoma.
- 7. The method of claim 3, wherein said type of lung carcinoma is selected from the group consisting of metastatic cancers of non-lung origin, small cell lung carcinomas and non-small cell lung carcinomas.
- 8. The method of claim 7, wherein said non-small cell lung carcinoma is selected from the group consisting of adenocarcinomas, squamous cell carcinomas, and large cell carcinomas.
- 9. The method of claim 8, wherein said adenocarcinomas are selected from the group consisting of classes C1, C2, C3, and C4.
- 10. The method of claim 3, wherein said markers are selected from the group consisting of the genes shown in Tables 1-4.
- 11. The method of claim 10, wherein said markers are selected from the group consisting of kallikrein 11, achaete-scute complex (Drosophila) homolog-like 1, carboxypeptidase E, trefoil factor 3 (intestinal), calcitonin/calcitonin-related polypeptide alpha, proprotein convertase, dual specificity phosphatase 4, and dopa decarboxylase.
- 12. The method of claim 3, further comprising the step of providing a prognosis for a patient based on the identification of the type of lung carcinoma.
- 13. The method of claim 3, further comprising the step of recommending a treatment for a patient based on the identification of the type of lung carcinoma.
- 14. The method of claim 13, wherein said treatment is tailored to the type of lung carcinoma.
- 15. A method for detecting lung carcinoma in a patient, the method comprising the steps of:
a) assaying an expression level for a predetermined number of markers for lung carcinoma in a patient sample; and, b) detecting the presence of a lung carcinoma if at least one of said expression levels is greater than a predetermined reference level.
- 16. The method of claim 15, wherein said predetermined number is between 2 and 50.
- 17. The method of claim 15, wherein said predetermined number is greater than 50.
- 18. The method of claim 15 or 16, wherein said markers of lung carcinoma are markers of at least two different types of lung carcinoma.
- 19. The method of claim 15, wherein said type of lung carcinoma is selected from the group consisting of metastatic cancers of non-lung origin, small cell lung carcinomas and non-small cell lung carcinomas.
- 20. The method of claim 19, wherein said non-small cell lung carcinoma is selected from the group consisting of adenocarcinomas, squamous cell carcinomas, and large cell carcinomas.
- 21. The method of claim 20, wherein said adenocarcinomas are selected from the group consisting of classes C1, C2, C3, and C4.
- 22. The method of claim 15, wherein said gene is selected from the group consisting of the genes shown in Tables 1-4.
- 23. The method of claim 22, wherein said markers are selected from the group consisting of kallikrein 11, achaete-scute complex (Drosophila) homolog-like 1, carboxypeptidase E, trefoil factor 3 (intestinal), calcitonin/calcitonin-related polypeptide alpha, proprotein convertase, dual specificity phosphatase 4, and dopa decarboxylase.
- 24. The method of claim 15, further comprising the step of providing a prognosis for a patient based on the identification of the type of lung carcinoma.
- 25. The method of claim 15, further comprising the step of recommending a treatment for a patient based on the identification of the type of lung carcinoma.
- 26. The method of claim 25, wherein said treatment is tailored to the type of lung carcinoma.
- 27. A diagnostic array comprising:
a) a solid support; and b) a plurality of diagnostic agents coupled to said solid support, wherein each of said agents is used to assay the expression level of a specific marker of lung carcinoma.
- 28. The array of claim 27, wherein each of said diagnostic agents is selected from the group consisting of PNA, DNA, and RNA molecules that specifically hybridize to a transcript from a marker of lung carcinoma.
- 29. The array of claim 27, wherein each of said diagnostic agents is an antibody that specifically binds to a protein expression product of a marker of lung carcinoma.
- 30. The array of claim 28 or 29, wherein said marker of lung carcinoma is a gene selected from the group consisting of the genes shown in Tables 1-4.
- 31. The array of claim 30, wherein said lung carcinoma is an adenocarcinoma, and said marker is selected from the group consisting of kallikrein 11, achaete-scute complex (Drosophila) homolog-like 1, carboxypeptidase E, trefoil factor 3 (intestinal), calcitonin/calcitonin-related polypeptide alpha, proprotein convertase, dual specificity phosphatase 4, and dopa decarboxylase.
- 32. A diagnostic array consisting of:
a) a solid support; and b) a plurality of diagnostic agents coupled to said solid support, wherein each of said agents is used to assay the expression level of a specific marker of lung carcinoma.
- 33. The array of claim 27 or 32, wherein said plurality comprises diagnostic agents characteristic of at least two types of lung carcinoma.
- 34. A system for maintaining lung cancer marker expression levels, the system comprising a memory device comprising a reference expression level for at least one marker of lung carcinoma.
- 35. The system of claim 34 further comprising a reference expression level for at least one marker of normal lung.
- 36. The system of claim 34, wherein each marker is selected from the group consisting of the genes shown in Tables 1-4.
- 37. The system of claim 35, wherein each marker is selected from the group consisting of kallikrein 11, achaete-scute complex (Drosophila) homolog-like 1, carboxypeptidase E, trefoil factor 3 (intestinal), calcitonin/calcitonin-related polypeptide alpha, proprotein convertase, dual specificity phosphatase 4, and dopa decarboxylase.
- 38. The system of claim 35, wherein said memory device is selected from the group consisting of tapes, discs, RAM, ROM, and CDROM.
- 39. A computer disk comprising reference expression levels for a plurality of markers of lung carcinoma.
- 40. A computer disk comprising a plurality of markers of lung carcinoma.
- 41. A method for evaluating a drug candidate, the method comprising the steps of:
a) assaying an expression level for each of a predetermined number of lung cancer marker genes in a cell sample; b) exposing the cell sample to a drug candidate; c) assaying an expression level for each of the marker genes in the presence of the drug candidate; and d) identifying a positive drug candidate as one that decreases expression of at least one of said marker genes.
- 42. A method for monitoring drug treatment of a patient with lung cancer, the method comprising the steps of:
a) administering a drug to a patient with lung cancer; and b) assaying the expression level of a predetermined number marker genes, wherein the expression level of the marker genes is an indicator of the disease status of the patient.
- 43. A method for classifying a lung carcinoma, the method comprising the steps of:
a) assaying a gene expression profile of a lung carcinoma sample; b) comparing the gene expression profile of step a) with a reference expression profile characteristic of a known lung carcinoma type; and c) assigning the lung carcinoma sample to a known lung carcinoma type based on the comparison of step b).
RELATED APPLICATIONS
[0001] This application claims priority to, and the benefit of, Provisional Patent Application U.S. S No. 60/325/962 filed on Sep. 28, 2001, the entire disclosure of which is incorporated by reference herein.
GOVERNMENT SUPPORT
[0002] The invention was supported, in whole or in part, by grant U01 CA84995 from the National Cancer Institute. The Government has certain rights in the invention.
Provisional Applications (1)
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Number |
Date |
Country |
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60325962 |
Sep 2001 |
US |