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Last Updated: April 20, 2024

Claims for Patent: 8,962,581


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Summary for Patent: 8,962,581
Title:Methods and kits to identify invasive glioblastoma
Abstract: The invention encompasses methods and kits used in the detection of invasive glioblastoma based upon the expression of NHERF-1. The methods and kits also allow prediction of disease outcome as well as therapeutic outcome.
Inventor(s): Kislin; Kerri L. (Phoenix, AZ), Berens; Michael E. (Phoenix, AZ)
Assignee: The Translational Genomics Research Institute (Phoenix, AZ)
Application Number:13/126,910
Patent Claims:1. A method of detecting a presence of invasive glioblastoma in a subject and sensitizing the subject to a therapeutic treatment of invasive glioblastoma that targets non-migrating glioblastoma cells, the method comprising the steps of: receiving a sample comprising glioblastoma cells from the subject wherein the subject is suspected of having glioblastoma; adding a first reagent capable of binding to a marker comprising SEQ ID NO. 2 to a mixture comprising the sample; subjecting the mixture to conditions that allow detection of the binding; sensitizing the subject by reducing an expression level of the marker comprising SEQ ID NO. 2; wherein the reduced level of the marker comprising SEQ ID NO. 2 switches invasive glioblastoma cells in the subject to non-migrating cancer cells that are sensitive to a therapeutic invasive glioblastoma that targets the non-migrating glioblastoma cells.

2. The method of claim 1 wherein said first reagent comprises a first antibody and wherein the first antibody comprises a first label.

3. The method of claim 2 further comprising adding a second antibody capable of binding to the first antibody.

4. The method of claim 3 wherein the second antibody comprises a second label.

5. The method of claim 1 wherein the first reagent is affixed to a solid substrate.

6. The method of claim 1 wherein the sample of glioblastoma cells is selected from the group consisting of: i. brain tissues; ii. fluid samples and single cells.

7. The method of claim 1 comprising the step of collecting a sample from a subject before and after treatment with a therapeutic agent.

8. The method of claim 1 wherein the method of detecting the binding of the first reagent to the marker is selected from the group consisting of enzyme linked immunosorbent assay, immunohistochemistry assay, high pressure liquid chromatography, mass spectrometry, and Western Blot.

9. The method of claim 1 further comprising correlating the presence of an invasive glioblastoma with resistance to a therapeutic that targets non-migrating glioblastoma cells.

10. The method of claim 9 wherein the therapeutic comprises Temozolomide or bevacizumab.

11. The method of claim 1, wherein reducing expression level of the marker comprising SEQ ID NO. 2 is obtained by small inhibitory RNAs targeting the nucleic acid encoding the marker comprising SEQ ID NO. 2.

12. The method of claim 11, wherein the small inhibitory RNAs are selected from the group consisting of SEQ ID NOs. 3, 4, 5 and 6.

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