Human orthologues of WART

a technology of human orthologues and warts, which is applied in the field of protein kinase proteins, can solve the problems of growth of tumors on the legs and wings of flies, and achieve the effect of facilitating the uptake of compound

Inactive Publication Date: 2006-12-28
SUGEN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0085] The term “adding” as used herein refers to administering a solution comprising a compound to the medium bathing cells. The solution comprising the compound can also comprise an agent, such as dimethyl sulfoxide, which facilitates the uptake of the compound into the cells.
[0086] The

Problems solved by technology

Loss or inactivation of both copies of the wts gene results

Method used

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  • Human orthologues of WART
  • Human orthologues of WART
  • Human orthologues of WART

Examples

Experimental program
Comparison scheme
Effect test

example 1

Cloning of Murine WART1

[0207] Total RNAs were isolated using the Guanidine Salts / Phenol extraction protocol of Chomczynski and Sacchi (P. Chomczynski and N. Sacchi, Anal. Biochem. 162:156, 1987) from murine embryos from gestational day 12. These RNA were used to generate single-stranded cDNA using the Superscript Preamplification System (GIBCO BRL, Gaithersburg, Md.; Gerard, G F et al., Focus 11:66, 1989). A typical reaction used 10 μg total RNA with 1.5 μg oligo(dT)12-18 in a reaction volume of 60 μL. The product was treated with RNaseH and diluted to 100 μL with H2O. For subsequent PCR amplification, 1-4 μL of the sscDNA was used in each reaction.

[0208] Degenerate oligonucleotides targeted for the Epidermal Growth Factor (EGF) family were synthesized on an Applied Biosystems 3948 DNA synthesizer using established phosphoramidite chemistry, precipitated with ethanol and used unpurified for PCR. The sequence of the degenerate oligonucleotide primers used were the following:

(SEQ ...

example 2

cDNA Cloning and Characterization of Human WART1

[0212] A second PCR strategy was designed to isolate the human orthologue of the novel mouse clone. Degenerate primers based on clone 105-4-10 were used to amplify templates derived from a pool of primary human non-small cell lung carcinomas. Total RNAs from primary human lung tumors were isolated as in Example 1. The sequence of the degenerate oligonucleotide primers used were as follows:

(SEQ ID NO:9)5774 = 5′ - TCCRAACAGDATNACNCCNACNSWCCA - 3′and(SEQ ID NO:10)5326 = 5′ - TTYGGNYTNTGYACNGGNTTYMGNTGG - 3′.

These primers were derived from the sense and antisense strands, respectively of peptide sequences FGLCTGFRW (SEQ ID NO:11) and WSVGVILFE (SEQ ID NO:12) present in the murine WART1 clone. The amplification conditions were similar to those described in Example 1 using oligonucleotides KITDFG (SEQ ID NO:7 and KCWMID (SEQ ID NO:8). Two distinct PCR products were isolated, SuSTK15 (268 bp) and SuSTK17 (273 bp). These two fragments sha...

example 3

Isolation of hWART1

[0213] A human bone marrow gt11 cDNA library was probed with the PCR fragments corresponding to human WART1. Probes were 32P-labeled by random priming and used at 2×106 cpm / mL following standard techniques known in the art for library screening. Prehybridization (3 h) and hybridization (overnight) were conducted at 42° C. in 5×SSC, 5×Denhart's solution, 2.5% dextran sulfate, 50 mM Na2PO4 [pH 7.0], 50% formamide with 100 mg / mL denatured salmon sperm DNA. Stringent washes were performed at 65° C. in 0.1× SSC and 0.1% SDS. DNA sequencing was carried out on both strains using a cycle sequencing dye-terminator kit with AmpliTaq DNA Polymerase, FS (ABI, Foster City, Calif.). Sequencing reaction products were run on an ABI Prism 377 DNA Sequencer.

[0214] Three cDNAs were isolated and completely sequenced. Two of the clones were found to be overlapping clones that encoded a long C-terminal open reading frame (ORF) but lacked an upstream stop codon. The third clone was fo...

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Abstract

The present invention relates in part to hWART nucleic acid molecules. The invention also relates in part to nucleic acid molecules encoding portions of hWART full-length proteins, nucleic acid vectors containing hWART nucleic acid molecules, recombinant cells containing such nucleic acid vectors, polypeptides purified from such recombinant cells, antibodies to such polypeptides, and methods of identifying compounds that modulate the function of an hWART polypeptide. Also disclosed are methods for diagnosing abnormal cell proliferative conditions in an organism using hWART-related molecules or compounds.

Description

RELATED APPLICATIONS [0001] This application is related to and claims priority to the U.S. Provisional Application Ser. No. 60 / 072,023, filed on Jan. 21, 1998, by Plowman et al., and entitled “HUMAN ORTHOLOGUES OF WART” (Lyon & Lyon Docket No. 224 / 006), which is hereby incorporated by reference herein in its entirety, including any drawings.FIELD OF THE INVENTION [0002] The present invention relates in part to protein kinases. In particular, the invention concerns the identification of protein kinase proteins which are human orthologues of the drosophila WART gene (hWART). BACKGROUND OF THE INVENTION [0003] The following description is provided to aid in understanding the invention, but is not admitted to describe or constitute prior art to the invention. [0004] Cellular signal transduction is a fundamental mechanism whereby extracellular stimuli are relayed to the interior of cells and thereby regulate diverse cellular processes. One of the key biochemical mechanisms of signal tran...

Claims

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Application Information

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IPC IPC(8): C12Q1/68G01N33/567C07H21/04C12P21/06C07K14/705C07K16/28C12N9/12C12N15/54
CPCC07K2319/00G01N33/574C12Q1/485C12N9/1205
Inventor PLOWMAN, GREGORYFLANAGAN, PETER
Owner SUGEN INC
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