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Toxins 2013, 5(7), 1299-1313; doi:10.3390/toxins5071299

Development and Evaluation of Monoclonal Antibodies for the Glucoside of T-2 Toxin (T2-Glc)

1,* , 1
Received: 5 June 2013 / Revised: 11 July 2013 / Accepted: 12 July 2013 / Published: 19 July 2013
(This article belongs to the Special Issue Advances in Toxin Detection)
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The interactions between fungi and plants can yield metabolites that are toxic in animal systems. Certain fungi are known to produce sesquiterpenoid trichothecenes, such as T-2 toxin, that are biotransformed by several mechanisms including glucosylation. The glucosylated forms have been found in grain and are of interest as potential reservoirs of T-2 toxin that are not detected by many analytical methods. Hence the glucosides of trichothecenes are often termed “masked” mycotoxins. The glucoside of T-2 toxin (T2-Glc) was linked to keyhole limpet hemocyanin and used to produce antibodies in mice. Ten monoclonal antibody (Mab)-producing hybridoma cell lines were developed. The Mabs were used in immunoassays to detect T2-Glc and T-2 toxin, with midpoints of inhibition curves (IC50s) in the low ng/mL range. Most of the Mabs demonstrated good cross-reactivity to T-2 toxin, with lower recognition of HT-2 toxin. One of the clones (2-13) was further characterized with in-depth cross-reactivity and solvent tolerance studies. Results suggest Mab 2-13 will be useful for the simultaneous detection of T-2 toxin and T2-Glc.
Keywords: T-2 toxin; masked mycotoxins; metabolites; antibody; immunoassay T-2 toxin; masked mycotoxins; metabolites; antibody; immunoassay
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Maragos, C.M.; Kurtzman, C.; Busman, M.; Price, N.; McCormick, S. Development and Evaluation of Monoclonal Antibodies for the Glucoside of T-2 Toxin (T2-Glc). Toxins 2013, 5, 1299-1313.

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