Anti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferation
First Claim
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1. A method of inducing the activation and proliferation of T-cells, said method comprising:
- (a) conjugating a plurality of T-cell specific monoclonal antibodies to an aminodextran molecule having 7-20% by weight amine groups and a molecular weight of at least 100,000 daltons, wherein the molar ratio of said antibodies to said aminodextran is greater than or equal to two; and
(b) reacting said conjugate with a sample containing said T-cells to effect the binding of said conjugated antibodies to said T-cells to induce activation and proliferation of said T-cells.
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Abstract
The invention describes the use of novel aminodextran compounds containing about 5-20% by weight amine groups to bind a plurality of monoclonal antibodies. The resulting antibody-aminodextran compounds may be used to induce the activation and proliferation of selected mammalian cells. Specific examples are given using an anti-CD3 monoclonal antibody conjugated two aminodextrans containing about 5% and 16%, respectively, by weight amine groups as an agent for inducing the activation and proliferation of T cells.
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12 Claims
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1. A method of inducing the activation and proliferation of T-cells, said method comprising:
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(a) conjugating a plurality of T-cell specific monoclonal antibodies to an aminodextran molecule having 7-20% by weight amine groups and a molecular weight of at least 100,000 daltons, wherein the molar ratio of said antibodies to said aminodextran is greater than or equal to two; and (b) reacting said conjugate with a sample containing said T-cells to effect the binding of said conjugated antibodies to said T-cells to induce activation and proliferation of said T-cells. - View Dependent Claims (2, 3, 4)
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5. A method of analyzing mammalian T-cell function, said method comprising:
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(a) reacting a sample containing mammalian T-cells with an aminodextran/anti-T-cell monoclonal antibody conjugate, said aminodextran having 7-20% by weight amine group and a molecular weight of at least 100,000 daltons, wherein the molar ratio of said antibodies to said aminodextran is greater than or equal to two; and (b) analyzing product from step (a) to evaluate T-cell function by the use of at least one test selected from the group consisting of changes in nucleic acid synthesis, protein or glycoprotein synthesis, cellular size and morphology, membrane integrity, expression of cellular constituents, cell function, cell growth, cell differentiation and release of cellular components to the sample containing the cells. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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Specification