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EP0505749A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Monoclonal antibodies directed to activated endothelial cells and their therapeutic and diagnostic use

Assignee: Otsuka Pharmaceutical Co Ltd
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Filing: 1992-02-25
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Granted: —
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Expires: 2012-02-25
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Abstract

Abstract Monoclonal antibodies are produced that bind specifically to IL-1 activated endothelial cells. Antigens to which the monoclonal antibodies specifically bind are identified. The monoclonal antibodies and antigens are useful in a medicament and method for treating inflammatory responses associated with activated endothelial cells, and for diagnosing inflammatory responses. A cDNA sequence that codes for antigen 1E7/2G7 and the CD4<+> ELAM ligand are also described.

Inventors

  • 👤 Walter c/o Otsuka America Newman
  • 👤 Yoji c/o University of Michigan Shimizu
  • 👤 Stephen J. Shaw

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-25 09:29
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/18; C07K16/28; A; A61; A61P; A61P29/00; A61P37/00; C07K14/00; C07K14/435; C07K14/705; C07K14/7056; C07K14/70564; A61K; A61K38/00

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 63 words
A method of regulating immune responses comprising binding to immune cells, endothelial cells or both, (a) an antibody, or binding site-containing fragment thereof, that specifically binds to an ELAM molecule; and (b) at least one antibody, or binding site-containing fragment thereof, that specifically binds to a molecule selected from the group consisting of VCAM, ELAM, ICAM, VCAM ligand, ELAM ligand and ICAM ligand.
Claim 2
Dependent Claim 14 words
The method of claim 1, wherein said immune cells are T-cells, granulocytes or monocytes.
Claim 3
Dependent Claim 11 words
The method of claim 2, wherein said immune cells are T-cells.
Claim 4
Dependent Claim 11 words
The method of claim 3, wherein said T-cells are CD4⁺ cells.
Claim 5
Dependent Claim 12 words
The method of claim 4, wherein said CD4⁺ cells are memory cells.
Claim 6
Dependent Claim 41 words
The method of claim 1, wherein said binding site-containing fragment of said antibody (a) or one of said at least one antibody (b), and said binding site-containing fragment of one of said at least one antibody (b) comprise a bispecific antibody.
Claim 7
Dependent Claim 25 words
The method of claim 1, wherein one of said at least one antibody (b), or binding site-containing fragment thereof, specifically binds to said VCAM molecule.
Claim 8
Dependent Claim 26 words
The method of claim 7, wherein a second of said at least one antibody (b), or binding site-containg fragment thereof, specifically binds to said ICAM molecule.
Claim 9
Dependent Claim 21 words
The method of claim 1, wherein said antibodies, or binding site-containing fragments thereof, do not specifically bind to the same molecule.
Claim 10
Dependent Claim 52 words
The method of claim 9, wherein one of said antibodies, or binding site-containing fragment thereof, specifically binds to an endothelial cell molecule and another of said antibodies, or binding site-containing fragment thereof, specifically binds to an immune cell molecule wherein said immune cell molecule is a ligand of said endothelial cell molecule.
Claim 11
Dependent Claim 22 words
The method of claim 1 which comprises antibody 7A9, or binding site-containing fragment thereof, or antibody 2G7, or binding site-containing fragment thereof.
Claim 12
Dependent Claim 39 words
The method of claim 11 which further comprises an antibody, or binding site-containing fragment thereof, that specifically binds to said VCAM ligand molecule or an antibody, or binding site-containing fragment thereof, that specifically binds to said ELAM ligand molecule.
Claim 13
Dependent Claim 84 words
A medicament associated with immune cells and endothelial cells comprising: (A) an antibody, or binding site-containing fragment thereof, or pharmaceutically acceptable salts of said antibody or fragment, that specifically binds to an ELAM molecule; (B) at least one antibody, or binding site-containing fragment thereof, or pharmaceutically acceptable salts of said antibody or fragment, that specifically binds to a molecule selected from the group consisting of VCAM, ELAM, ICAM, VCAM ligand, ELAM ligand and ICAM ligand; and (C) a pharmaceutically acceptable carrier, diluent or excipient.
Claim 14
Dependent Claim 41 words
The medicament of claim 13, wherein said binding site-containing fragment of said antibody (a) or one of said at least one antibody (b), and said binding site-containing fragment of one of said at least one antibody (b) comprise a bispecific antibody.
Claim 15
Dependent Claim 23 words
The medicament of claim 13 which comprises an antibody, or binding site-containing fragment thereof, that specifically binds to a molecule on T cells.
Claim 16
Dependent Claim 22 words
The medicament of claim 13 which comprises an antibody, or binding site-containing fragment thereof, that specifically binds to a molecule on granulocytes.
Claim 17
Dependent Claim 25 words
The medicament of claim 13, wherein one of said at least one antibody (b), or binding site-containing fragment thereof, specifically binds to said VCAM molecule.
Claim 18
Dependent Claim 26 words
The medicament of claim 17, wherein a second of said at least one antibody (b), or binding site-containing fragment thereof, specifically binds to said ICAM molecule.
Claim 19
Dependent Claim 21 words
The medicament of claim 13, wherein said antibodies, or binding site-containing fragments thereof, do not specifically bind to the same molecule.
Claim 20
Dependent Claim 52 words
The medicament of claim 19, wherein one of said antibodies, or binding site-containing fragment thereof, specifically binds to an endothelial cell molecule and another of said antibodies, or binding site-containing fragment thereof, specifically binds to an immune cell molecule wherein said immune cell molecule is a ligand of said endothelial cell molecule.
Claim 21
Dependent Claim 22 words
The medicament of claim 13 which comprises antibody 7A9, or binding site-containing fragment thereof, or antibody 2G7, or binding site-containing fragment thereof.
Claim 22
Dependent Claim 39 words
The medicament of claim 21 which further comprises an antibody, or binding site-containing fragment thereof, that specifically binds to said VCAM ligand molecule or an antibody, or binding site-containing fragment thereof, that specifically binds to said ELAM ligand molecule.
Claim 23
Dependent Claim 22 words
The use of the antibody as defined in claims 13 to 22 for the preparation of a medicament to combat inflammatory diseases.
Claim 24
Dependent Claim 13 words
The use according to claim 23 to combat acute and chronic inflammatory diseases.
Claim 25
Dependent Claim 33 words
The use of the antibody as defined in claims 13 to 22 for the preparation of a medicament suitable in treatment for controlling immune responses by modulating CD4⁺ T-cell reactivity with endothelial cells.
Claim 26
Dependent Claim 16 words
The use of the antibody as defined in claims 13 to 22 to detect inflammatory responses.
Claim 27
Dependent Claim 18 words
The use according to claim 26, wherein these inflammatory responses are early graft rejection, subclinical infection, and vasculitis.

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