Synthesis and Identification of Artificial Antigen for Glibenclamide

Abstract

Abstract: Objective: To synthesize artificial antigen for glibenclamide. Methods: Hapten was synthesized by diazo reaction with p-aminobenzoic acid, and conjugated separately with BSA (bovine serum albumin) and OVA (ovalbumin) by carbodiimide method. Immunogen and coating antigen were obtained and designated as Gli-BSA and Gli-OVA, respectively. The synthesized artificial antigens were identified by mass spectrometry and UV spectroscopy. The immunogen was used to immunize Balb/c mice and the generated anti-serum was analyzed by indirect ELISA. Results: Gli-BSA and Gli-OVA were successfully synthesized with a coupling ratio of 4:1 and 17.7:1, respectively. The anti-serum titers after the first, second and third immunization of Balb/c mice were all above 32000 and the IC50 was 10 μg/mL. Conclusion: Artificial antigens for glibenclamide has been successfully synthesized and anti-glibenclamide antibodies have been acquired. This study can provide a basis for further studies on immunological detection of glibenclamide.

Key words: glibenclamide, hapten, carrier protein, complete antigen

CLC Number:

TS201.2

References

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