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Automated 5-plex fluorescent immunohistochemistry with tyramide signal amplification using antibodies from the same species

  • Wenjun Zhang
  • Antony Hubbard
  • Tobin Jones
  • Srabani Bhaumik
  • Adriana Racolta
  • Mark Lefever
  • Karl Garsha
  • Nicholas Cummins
  • Franklin Ventura
  • Lei Tang
Open Access
Poster presentation

Keywords

Multiple Antigen Rabbit Primary Antibody Tyramide Signal Amplification Fluorescent Immunohistochemistry Human Tonsil 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Background

Immunohistochemical (IHC) detection of multiple antigens on the same tissue section represents a major unmet technological need in research and clinical diagnostics. While primary antibodies from different species have been used with differently labeled species-specific secondary antibodies, quite often the appropriate combination of antibodies is not available. More recently, primary antibodies from the same species have been employed for multiplex IHC with microwaving treatment between each antigen staining cycle. This manual microwaving method prevents the cross-reactivity of an anti-species antibody in a subsequent cycle from binding to a primary antibody at the previous cycle.

Methods

We present here a fully automated heat deactivation (HD) process on the BenchMark ULTRA automated slide stainer. We verified various aspects of the HD process: (1) effectiveness for preventing cross-reactivity, (2) impact on the epitopes in tissues, (3) impact on the fluorescence of the fluorophores, and (4) impact on tissue morphology. We further validated an automated 5-plex fluorescent IHC assay for CD3, CD8, CD20, CD68 and FoxP3 on human tonsil tissues.

Results

This automated 5-plex fluorescent IHC assay using rabbit primary antibodies achieved comparable staining results to the respective single-plex chromogenic IHC assays. This technology enables a simple automated multiplex IHC assay through the use of commercially available native primary antibodies with their respective secondary anti-species antibody, and a clinically proven staining platform to ensure staining quality, reliability, and reproducibility.

Copyright information

© Zhang et al. 2015

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

Authors and Affiliations

  • Wenjun Zhang
    • 1
  • Antony Hubbard
    • 1
  • Tobin Jones
    • 1
  • Srabani Bhaumik
    • 1
  • Adriana Racolta
    • 1
  • Mark Lefever
    • 1
  • Karl Garsha
    • 1
  • Nicholas Cummins
    • 1
  • Franklin Ventura
    • 1
  • Lei Tang
    • 1
  1. 1.Roche DiagnosticsTucsonUSA

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