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Reliable diagnosis of murine type 1 diabetes using a panel of autoantigens and "antigen surrogates" mounted onto a liquid array.


ABSTRACT: Autoantibodies raised against ? cell antigens are the most reliable preclinical biomarkers for predicting the imminent onset of type 1 diabetes mellitus (T1DM). The most current detection platforms are technically challenging or are run on clinically esoteric equipment. Here, we present a straightforward approach to detect autoantibody biomarkers that employs highly PEGylated microspheres onto which are mounted various capture agents that include affinity-tagged antigens or small molecule "antigen surrogates." After incubation with small quantities of serum, the bound autoantibodies can be measured using a standard flow cytometer. By multiplexing this assay, we show that a panel of antigen and antigen surrogates reliably predicts hyperglycemia in a mouse model of diabetes without false positives.

SUBMITTER: Doran TM 

PROVIDER: S-EPMC4605892 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

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Reliable diagnosis of murine type 1 diabetes using a panel of autoantigens and "antigen surrogates" mounted onto a liquid array.

Doran Todd M TM   Morimoto Jumpei J   Simanski Scott S   McEnaney Patrick J PJ   Kodadek Thomas T  

Molecular bioSystems 20151101 11


Autoantibodies raised against β cell antigens are the most reliable preclinical biomarkers for predicting the imminent onset of type 1 diabetes mellitus (T1DM). The most current detection platforms are technically challenging or are run on clinically esoteric equipment. Here, we present a straightforward approach to detect autoantibody biomarkers that employs highly PEGylated microspheres onto which are mounted various capture agents that include affinity-tagged antigens or small molecule "antig  ...[more]

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