A Parallel Approach to the Discovery of Carrier Delivery Vehicles To Enhance Antigen Immunogenicity

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• 作者：Mercedes Delgado ; Kyung Joo Lee ; Lawrence Altobell ; III ; Carsten Spanka ; Paul Wentworth Jr. ; and Kim D. Janda
• 刊名：Journal of the American Chemical Society
• 出版年：2002
• 出版时间：May 8, 2002
• 年：2002
• 卷：124
• 期：18
• 页码：4946 - 4947
• 全文大小：35K
• 年卷期：v.124,no.18(May 8, 2002)
• ISSN：1520-5126

文摘

As part of an ongoing effort to generate human and murine monoclonal antibodies against poorly immunogenic tumor-associated antigens we have merged the rapidly expanding disciplines of parallel polymer synthesis and controlled-release technology with immunology to produce a rapid and generic approach to improve the immunogenicity of carrier-bound antigens. The process involves three stages: An array of cross-linked hydrogel materials containing a carrier protein (at various concentrations) is prepared in parallel in one step. The array is then screened in mice to determine the most effective hydrogel at enhancing the immunogenicity of the encapsulated versus nonencapsulated carrier. Finally, the most efficient hydrogel is prepared containing the critical carrier-antigen conjugate and is used for immunization protocols. The strategy was successful for the BSA-glycoconjugate of the tumor-associated antigen GM₃ analogue 4. When encapsulated within the hydrogel array member most efficient at elevating BSA immunogenicity, the BSA-4 glycoconjugate was significantly more immunogenic that when administered as a free antigen.