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 TIE-2 ligands, methods of making and uses thereof

Details
Inventors: Davis, Samuel; Bruno, Joanne; Goldfarb, Mitchell; Aldrich, Thomas H.; Maisonpierre, Peter C.; Radziejewski, Czeslaw; Jones, Pamela F.; Yancopoulos, George D.;
Assignee: Regeneron Pharmaceuticals, Inc. (Tarrytown, NY)
Primary Examiner: Mertz; Prema
Assistant Examiner:
Attorney, Agent or Firm: Gregg, Esq.; Valeta

The present invention provides for an isolated nucleic acid molecule encoding a human TIE-2 ligand. In addition, the invention provides for a receptor body which specifically binds a human TIE-2 ligand. The invention also provides an antibody which specifically binds a human TIE-2 ligand. The invention further provides for an antagonist of human TIE-2. The invention also provides for therapeutic compositions as well as a method of blocking blood vessel growth, a method of promoting neovascularization, a method of promoting the growth or differentiation of a cell expressing the TIE-2 receptor, a method of blocking the growth or differentiation of a cell expressing the TIE-2 receptor and a method of attenuating or preventing tumor growth in a human.

DETAILED DESCRIPTION What is claimed is: 1.
An isolated antibody which specifically binds a ligand wherein the ligand consists of the amino acid sequence of SEQ ID NO: 2.
2.
The antibody of claim 1 which is a monoclonal antibody.
3.
A composition comprising the antibody of claim 1 and a carrier.
4.
The antibody of claim 1 which is a chimeric antibody.
5.
The antibody of claim 2 which is a chimeric antibody.
6.
A composition comprising the antibody of claim 2 and a carrier.
7.
The antibody of claim 1 which is a polyclonal antibody.
8.
An isolated antibody fragment which specifically binds a ligand wherein the ligand consists of the amino acid sequence of SEQ ID NO:2.
9.
The antibody fragment of claim 8, wherein the antibody fragment is an F(ab').
sub.
2 fragment or an Fab' fragment.
10.
The antibody fragment of claim 8 comprising a fragment of a monoclonal antibody.
11.
The antibody fragment of claim 10, wherein the antibody fragment is an F(ab').
sub.
2 fragment or an Fab' fragment.




Description:



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