GD2 anti-idiotypic antibodies and uses thereof
AssigneeThe Wistar Institute of Anatomy and Biology
InventorDorothee Herlyn
Life of this patent
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Abstract
Three murine monoclonal anti-idiotype antibodies which functionally mimic GD2 are described. These antibodies are useful in compositions for inducing a CD4 T cell response to cancers characterized by high density GD2 expression and in the diagnosis of high density GD2 expression.
Claims19
A hybridoma cell line TA17A C12, having the ATCC Accession Number HB-12083.
A hybridoma cell line TA412G Cl1, having the ATCC Accession Number HB-12084.
A hybridoma cell line TB310B Cl1, having the ATCC Accession Number HB-12085.
A murine anti-idiotype antibody TA17A Cl2 having the ability to mimic GD2 function.
A murine anti-idiotype antibody TA412G Cl1 having the ability to mimic GD2 function.
A murine anti-idiotype antibody TB310B Cl1 having the ability to mimic GD2 function.
A recombinant antibody comprising a functional fragment containing the antigen binding site of a murine anti-idiotypic antibody selected from the group consisting of TA17A Cl2, TA412G Cl1, and TB310B Cl1.
An immunogenic composition that elicits a CD4-mediated cellular immune response, said composition comprising a pharmaceutically acceptable carrier and an anti-idiotype antibody selected from the group consisting of (a) TA17A Cl2, (b) TA412G Cl1, (c) TB310B Cl1, and (d) a recombinant antibody comprising a functional fragment containing the antigen binding site of anti-idiotypic antibody (a), (b), or (c).
A functional fragment of murine anti-idiotype antibody TA17A Cl2, wherein the fragment is selected from the group consisting of Fab, F.sub.v, and F(ab').sub.2.
A functional fragment of murine anti-idiotype antibody TA412G Cl1, wherein the fragment is selected from the group consisting of Fab, F.sub.v, and F(ab').sub.2.
A functional fragment of murine anti-idiotype antibody TB310B Cl1, wherein the fragment is selected from the group consisting of Fab, F.sub.v, and F(ab').sub.2.
An immunogenic composition comprising a pharmaceutically acceptable carrier and a functional fragment of a murine anti-idiotype antibody selected from the group consisting of TA17A Cl2, TA412G Cl1, and TB310, wherein said functional fragment is selected from the group consisting of Fab, F.sub.v, and F)(ab').sub.2.
Dependencies are inferred from the claim text.