Monocyte-derived insulin receptor regulatory factor

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

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435 691, 530303, C07K 1300

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active

053711890

ABSTRACT:
The present invention relates to a purified monocyte-derived insulin receptor regulatory factor, which has the biological activity of reducing insulin receptor binding on T-lymphocytes. Additionally, the invention relates to a nucleic acid that codes for the monocyte-derived insulin receptor regulatory factor, a recombinant protein produced therefrom, and an antibody to the factor. The present invention also relates to a method of reducing insulin receptor binding on activated T-lymphocytes, including administration of the protein to a subject.

REFERENCES:
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Ercolani L. et al., "Tunicamycin blocks the emergence and maintenance of insulin receptors on mitogen-activated human T-lymphocytes," Metabolism, 33:309-316 (Apr. 1984).
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Helderman J. H. et al., "Specific insulin binding site on T and B lymphocytes as a marker of cell activation," Nature (London) 274:62-63 (Jul. 6, 1978).
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Koren H. S. et al., "Identification of macrophage-like characteristics in a cultured murine tumor line," J Immunol, 114:894-897 (Feb. 1975).

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