Experimental study on antitumor effect of monoclonal anti-idiotypic antibody-DNR conjugate to leukemia
Xiaolin Wang, Xifang Cao, Huifen Zhu, Na Su, Yue Zhang, Guanxin Shen
Abstract
Xiaolin Wang, Xifang Cao, Huifen Zhu, Na Su, Yue Zhang, Guanxin Shen
Abstract
In this experiment, the Dextran-T40 (Dex-T40) served as intermidiate carrier, conjugated SM6 monoclonal anti-idiotypic antibody (anti-Id-McAb) against B lymphocytic leukemia cells and chemotherapeutical drug daunorubicin (DNR) to form SM6: Dex: DNR immunoconjugate. The activity of anti-Id-McAb and DNR of the immunoconjugate and their extent of the substitution were measured, and the antitumor activity of SM6: Dex: DNR was assayed in vitro . The results demonstrated that using Dex-T40 to prepare immunoconjugate could get a higher extent of substitution of McAb and DNR and maintain the activity of McAb and drug well. The results of cytotoxic assay in vitro suggested that the immunoconjugate SM6: Dex: DNR possess a specific cytotoxic effect to target tumor cells.
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In this experiment, the Dextran-T40 (Dex-T40) served as intermidiate carrier, conjugated SM6 monoclonal anti-idiotypic antibody (anti-Id-McAb) against B lymphocytic leukemia cells and chemotherapeutical drug daunorubicin (DNR) to form SM6: Dex: DNR immunoconjugate. The activity of anti-Id-McAb and DNR of the immunoconjugate and their extent of the substitution were measured, and the antitumor activity of SM6: Dex: DNR was assayed in vitro . The results demonstrated that using Dex-T40 to prepare immunoconjugate could get a higher extent of substitution of McAb and DNR and maintain the activity of McAb and drug well. The results of cytotoxic assay in vitro suggested that the immunoconjugate SM6: Dex: DNR possess a specific cytotoxic effect to target tumor cells.
Key concepts: Immunoconjugate, Daunorubicin, Monoclonal antibody, Conjugate, Cytotoxic T cell, In vitro, Leukemia, Pharmacology