Phosophoinositoglycan binding proteins

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Separation or purification

Reexamination Certificate

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C530S412000, C435S007100

Reexamination Certificate

active

07449560

ABSTRACT:
The invention refers to a protein from plasma membrane of adipocytes. The protein has specific binding affinity to phosphoinositoylglycans. It regulates glucose uptake by circumventing the insulin signaling cascade.

REFERENCES:
patent: 0532915 (1997-01-01), None
Weid et al., Convergence and divergence of the signaling pathways for insulin and phosphoinositolglycans.Mol Med. May 1998;4(5):299-323.
Frick et al., Insulin-mimetic signalling of synthetic phosphoinositolglycans in isolated rat adipocytes.Biochem J. Nov. 15, 1998;336 ( Pt 1):163-181.
Muller et al., Phosphoinositolglycan-peptides from yeast potently induce metabolic insulin actions in isolated rat adipocytes, cardiomyocytes, and diaphragms. Endocrinology. Aug. 1997;138(8):3459-3475.
Kessler et al., Signalling pathways of an insulin-mimetic phosphoinositolglycan-peptide in muscle and adipose tissue. Biochem J. Feb. 15, 1998;330 (Pt 1):277-286.
Alexandra Kessler et al., Signaling pathways of an insulin-mimetic phosphoinositolglycan-peptide in muscle and adipose tissue, Biochem J. 1998, pp. 277-286, vol. 330.
Gunter Muller et al., Convergence and Divergence of the Signaling Pathways for Insulin and Phophoinositolglycans, Molecular Medicine, 1998, pp. 299-323, vol. 4.
Gunter Muller et al., Insulin-Mimetic Signaling by the Sulfonylurea Glimepiride and Phosphoinositolglycans Involves Distinct Mechanisms for Redistribution of Lipid Raft Components, Biochemistry, 2001, pp. 14603-14620, vol. 40.
Gunter Muller et al., Interaction of phosphoinositolglycan (-peptides) with plasma membrane lipid rafts of rat adipocytes, Archives of Biochemistry and Biophysics, 2002, pp. 17-32, vol. 408.
Gunter Muller et al., Phosphoinositolglycan-Peptides from Yeast Induce Metabolic Insulin Actions in Isolated Rat Adipocytes, Cardiomyocytes and Diaphragms, Endocrinology, 1997, pp. 3459-3475, vol. 138, No. 8.
Gunter Muller et al., Redistribution of Glycosyl-Phosphatidylinositol-anchored Proteins from Caveolae as Potential Target for Signal Transduction Therapy, European Journal of Cell Biology, 1999, p. 73, vol. 78, No. 49.
Gunter Muller et al., Redistribution of Signaling Proteins from Caveolae as Potential Target for Insulin-Mimetic Compounds, Diabetics Research and Clinical Practice, 2000, p. S157, vol. 50, No. 1.
Gunter Muller et al., Signaling via caveolin: involvement in the cross-talk betweeen phosphoinositolglycans and insulin, CMLS, Cell. Mol. Life Sci., 1999, p. 945-970, vol. 56.
Gunter Muller et al., Cross Talk of pp125 FAK and P59Lyn Non-Receptor Tyrosine Kinase to Insulin-Mimetic Signaling in Adipocytes, Molecular and Cellular Biology, 2000, pp. 4708-4723, vol. 20, No. 13.
Gunter Muller et al, Cholesterol Depletion Blocks Redistribution of Lipid Raft Components and Insulin-Mimetic Signaling by Glimepiride and Phosphoinositolglycans in Rat Adipocytes, Molecular Medicine, vol. 8, No. 3, Mar. 2002, pp. 120-136.
Morris et al., Sortilin Is the Major 110-kDa Protein in GLUT4 Vesicles from Adipocytes, Journ of Biological Chemistry, vol. 273, No. 6, Feb. 6, 1998, pp. 3582-3587.
Wendelin Frick et al., Insulin-mimetic signaling of synthetic phosphoinositolyglycans in isolated rat adipocytes, Biochem J. 1998, pp. 163-181, vol. 336.
Wendelin Frick et al., Structure-Activity Relationship of Synthetic Phosphoinositolglycans Mimicking Metabolic Insulin Action, Biochemistry, 1998, pp. 13421-13436, vol. 37.

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