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Cell-free assay product and method of use thereof for measuring activity of frizzled receptors

Patent 8119354 Issued on February 21, 2012. Estimated Expiration Date: Icon_subject October 9, 2028. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

WNT signalling in reproductive organs Patent #: 6485972
Issued on: 11/26/2002
Inventor: McMahon, et al.

Inventor

Assignee

Application

No. 12682282 filed on 10/09/2008

US Classes:

435/7.1Involving antigen-antibody binding, specific binding protein assay or specific ligand-receptor binding assay

Examiners

Primary: Landsman, Robert

Attorney, Agent or Firm

Foreign Patent References

  • 2005105850 WO 11/01/2005

International Classes

G01N 33/53
C12P 1/00
C12P 21/06
C12N 1/20
C12N 15/00
C12N 15/74
C07K 1/00
C07K 14/00
C07K 17/00

Abstract

The present invention relates to cell free assays for measuring receptor activity, especially for measuring a constitutive or a non-constitutive activity of frizzled re-ceptors and uses thereof. The present invention further concerns a method for measuring a constitutive or non-constitutive activity of a frizzled receptor and a method for obtaining an active frizzled receptor ligand.

Other References

  • Response to Oct. 27, 2010 second EPO Office Action filed Feb. 23, 2011.
  • Response to Oct. 15, 2009 EPO Office Action filed Apr. 6, 2010.
  • EXT. Europ Search Report and written opinion for EP 07 019 715 dated Jan. 11, 2008.
  • ISR and written opinion for PCT/ EP 2008/063541 mailed Feb. 12, 2009.
  • Willert, et al.,“Wnt proteins are lipid-modified and can act as stem cell growth factors” , Nature, 423:448-452 (2003).
  • Safholm, et al., “A formylated hexapeptide ligand mimics the ability of Wnt-5a to impair migration of human breast epithelial cells” , J. Biol. Chem., 281(5):2740-9 (2006).
  • Logan and Nusse, “The Wnt signaling pathway in development and disease” , Annu. Rev. Cell Dev. Biol., 20:781-810 (2004).
  • Liu, et al., “G protein signaling from activated rat frizzled-1 to the beta-Catenin-Lef-Tcf pathway” , Science, 292:1718-22 (2001).
  • Le Garrec, et al., “Establishment and maintenance of planar epithelial cell polarity by asymmetric cadherin bridges: a computer model” , Dev. Dynamics, 235:235-46 (2006).
  • Katanaev, et al., “Trimeric G \protein-dependent frizzled signaling in Drosophila” Cell, 120:111-22 (2005).
  • Huang and Klein, “The Frizzled family: receptors for multiple signal transduction pathways” , Genome Biology, 5(234):1-7 (2004).
  • Gazit, et al., “Human frizzled 1 interacts with transforming Wnts to transduce a TCF dependent transcriptional response” , Oncogene, 18(44):5959-66 (1999).
  • Das Gupta, et al., “Functional genomic analysis of the Wnt-wingless signaling pathway” , Science 308:826 (2005).
  • Brennan and Brown, “Wnt proteins in mammary development and cancer” , J. Mammary Gland Biology and Neoplasia, 9(2):119-131 (2004).
  • Borchert, et al., “High-content screening assay for activators of the Wnt/Fzd pathway in primary human cells” , Assay and Drug Development Technologies, 3 (2):133-141 (2005).
  • Ahumada, et al., “Signaling of rat frizzled-2 through phosphodiesterase and cyclic GMP” , Science, 298:2006-10 (2002).
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