Gene encoding a guanine nucleotide exchange factor and the...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C435S069100

Reexamination Certificate

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07667013

ABSTRACT:
A gene encoding a novel protein that works as a guanine nucleotide exchange factor (GEF) for a Rho family protein being one group of small GTP-binding proteins, namely, a polynucleotide shown by the nucleotide sequence set forth in SEQ ID NO: 1, SEQ ID NO: 3, or SEQ ID NO: 5, or the complementary strand, the equivalents of the polynucleotide, a protein encoded by the polynucleotide, a vector containing the polynucleotide, a transformant containing the vector, an antibody against the protein encoded by the polynucleotide, a method of identifying a compound that inhibits the function of the protein encoded by the polynucleotide and/or the expression of the polynucleotide, a method of determining a disease, a pharmaceutical composition, and a reagent kit are provided.

REFERENCES:
patent: WO 98/57990 (1998-12-01), None
patent: WO 00/12711 (2000-03-01), None
patent: WO 02068579 (2002-09-01), None
International Preliminary Report on Patentability and Written Opinion for PCT/JP/2005/005918 dated Oct. 26, 2006.
Hart et al., Cellular Transformation and Guanine Nucleotide Exchange Activity Are Catalyzed by a Common Domain on thedblOncogene Product, The Journal of Biological Chemistry, vol. 269, No. 1, Jan. 7, 1994, pp. 62-65.
Bi et al., “Autoinhibition Mechanism of Proto-Dbl,” Molecular and Cellular Biology, vol. 21, No. 5, Mar. 2001, pp. 1463-1474.
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Costello et al., “The Rho-family GTP exchange factor Vav is a critical transducer of T cell receptor signals to the calcium, ERK, and NF-κb pathways,” Proc. Natl. Acad, Sci. USA, vol. 96, Mar. 1999, pp. 3035-3040.
Horii et al., “A novel oncogene,ost, encodes a guanine nucleotide exchange factor that potentially links Rho and Rac signaling pathways,” The EMBO Journal, vol. 13, No. 20, 1994, pp. 4776-4786.
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Penzes et al., “Distinct Roles for the Two Rho GDP/GTP Exchange Factor Domains of Kalirin in Regulation of Neurite Growth and Neuronal Morphology,” The Journal of Neuroscience, vol. 21(21), Nov. 1, 2001, pp. 8426-8434.
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Supplementary Partial European Search Report for corresponding European Patent Application No. 05 72 7864 dated Jun. 9, 2008 (6 pages).
Database EMBL, No. XP-002480250, “Mus musculus 4 days neonate male adipose cDNA, RIKEN full-length enriched library, clone: B430212B09 product: hypothetical Dbl, domain (dbl/cdc24 rhoGEF family), PH Domain containing protein, full insert sequence,” dated Dec. 18, 2002, retrieved from EBI accession No. EMBL: AK080928 (3 pages).
Zheng, “Dbl family guanine nucleotide exchange factors,” Trends in Biochemical Sciences, vol. 26, No. 12, Dec. 1, 2001 (pp. 724-732).
Database EMBL, No. XP-002480251, “Homo sapiensKIAA0599, mRNA (cDNA clone Image: 4939677), partial cds,” dated Dec. 10, 2003, retrieved from EBI accession No. EMBL: BC063554 (3 pages).
Database EMBL, No. XP-002480252, “Homo sapiensmRNA for FLJ00242 protein,” dated Feb 15, 2002, retrieved from EBI accession No. EMBL: AK074169 (2 pages).
Pan et al., “Expression of seven main Rho family members in gastric carcinoma,” Biochemical and Biophysical Research Communications, vol. 315, No. 3, Mar. 12, 2004 (pp. 686-691).

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