Tus-Ter-lock immuno-PCR assays for the sensitive detection of tropomyosin-specific IgE antibodies

Johnston, Elecia B., Kamath, Sandip D., Lopata, Andreas L., and Schaeffer, Patrick M. (2014) Tus-Ter-lock immuno-PCR assays for the sensitive detection of tropomyosin-specific IgE antibodies. Bioanalysis, 6 (4). pp. 465-476.

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Abstract

Background: The increasing prevalence of food allergies requires development of specific and sensitive tests capable of identifying the allergen responsible for the disease. The development of serologic tests that can detect specific IgE antibodies to allergenic proteins would, therefore, be highly received.

Results: Here we present two new quantitative immuno-PCR assays for the sensitive detection of antibodies specific to the shrimp allergen tropomyosin. Both assays are based on the self-assembling Tus-Ter-lock protein–DNA conjugation system. Significantly elevated levels of tropomyosin-specific IgE were detected in sera from patients allergic to shrimp.

Conclusion: This is the first time an allergenic protein has been fused with Tus to enable specific IgE antibody detection in human sera by quantitative immuno-PCR.

Item ID: 33097
Item Type: Article (Refereed Research - C1)
ISSN: 1757-6199
Funders: Queensland Smart Futures Fund, Australian Research Council (ARC)
Projects and Grants: Queensland Smart Futures Fund NIRAP
Date Deposited: 23 Jun 2014 23:29
FoR Codes: 06 BIOLOGICAL SCIENCES > 0601 Biochemistry and Cell Biology > 060101 Analytical Biochemistry @ 100%
SEO Codes: 92 HEALTH > 9202 Health and Support Services > 920203 Diagnostic Methods @ 100%
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