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  • Title: Artificial antibodies to corticosteroids prepared by molecular imprinting.
    Author: Ramström O, Ye L, Mosbach K.
    Journal: Chem Biol; 1996 Jun; 3(6):471-7. PubMed ID: 8807877.
    Abstract:
    BACKGROUND: Molecular imprinting can be used to prepare antibody and receptor mimics. We have previously shown that acrylic acid polymers can be imprinted to recognize a variety of small molecules. Here, we show that molecularly imprinted polymers (MIPs) can selectively recognize steroid structures. RESULTS: Artificial antibodies mimicking the binding performance of natural anti-corticosteroid antibodies have been prepared using a molecular imprinting protocol with either cortisol or corticosterone as a target molecule. The binding characteristics of a range of structurally related ligands were estimated using a form of radioimmunoassay. The antibody mimics were found to be highly selective for the ligands used in their preparation and the cross-reactivities with compounds of related structure resembled those obtained in studies with natural antibodies. CONCLUSIONS: The binding properties of MIPs, prepared against corticosteroids, exhibit strong similarities to those of naturally raised antibodies. Such artificial antibodies may serve as a useful complement to their natural counterparts in studies of corticosteroid binding events.
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