[Preparation and characterization of polyclonal antibody against 5-fluorouracil]
Objective:
To prepare 5-fluorouracil (5-FU) immunogen and develop polyclonal antibodies against 5-FU.
Methods:
The derivant of 5-FU (5-fluorouracil-1-yl-aceto amino acid, 5-FUAA) was synthesized, and then conjugated with bovine serum albumin (BSA) or ovalbumin (OVA) by carbodiimide (CDI) method. 5-FUAA conjugating BSA (5-FUAA-BSA) was used to immunize BALB/c mice to produce antiserum, and 5-FUAA conjugating OVA (5-FUAA-OVA) was used as coating antigen to detect the titer of the antiserum by indirect ELISA. Furthermore, specificity of the polyclonal antiserum was identified by ELISA and Western blotting.
Results:
5-FU derivant 5-FUAA was successfully synthesized and conjugated with BSA or OVA. Indirect ELISA showed that the titer of the antiserum from BALB/c mice immunized with 5-FUAA-BAS reached 1:1 280 000. Moreover, ELISA and Western blotting proved that the anti-serum could combine 5-FU specifically.
Conclusion:
The experiment has prepared high-specific and high-titer polyclonal antibody against 5-FU.
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