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Immunocytochemistry and Immunohistochemistry01:22

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Immunocytochemistry (ICC) and immunohistochemistry (IHC) are techniques that use antibodies to check for specific proteins or antigens in a sample. The technique was first published by Albert Coons in 1941 to detect the presence of pneumococcal antigen in tissue sections from mice infected with Pneumococcus. Immunocytochemistry helps localization of proteins or antigens in individual cells like blood cells, stem cells, etc., while immunohistochemistry does the same for tissue samples.
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A Consortium for Analytic Standardization in Immunohistochemistry.

Steven A Bogen1, David J Dabbs2, Keith D Miller3

  • 1From Boston Cell Standards Inc, Boston, Massachusetts (Bogen).

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Summary
This summary is machine-generated.

The Consortium for Analytic Standardization in Immunohistochemistry aims to improve immunohistochemistry (IHC) accuracy by establishing analytic standards. This initiative will enhance test reproducibility and simplify method transfer for IHC assays.

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Area of Science:

  • Biomedical Science
  • Laboratory Medicine
  • Pathology

Background:

  • Analytic standards are crucial for assay development, validation, and quality assurance in laboratory testing.
  • Numerous stakeholders, including commercial vendors, biopharmaceutical firms, pathologists, and regulatory bodies, rely on these standards.
  • The National Cancer Institute has funded the Consortium for Analytic Standardization in Immunohistochemistry.

Purpose of the Study:

  • To enhance the accuracy and reproducibility of immunohistochemistry (IHC) tests through the integration of analytic standards.
  • To experimentally determine analytic sensitivity thresholds for selected IHC assays.
  • To educate IHC stakeholders on the importance and application of analytic standards.

Main Methods:

  • Literature review of existing research and published external quality assurance data.
  • Experimental determination of analytic sensitivity thresholds for IHC assays.
  • Collaboration with clinical laboratories, external quality assurance programs, and pathology organizations.

Main Results:

  • The consortium will publish data on analytic sensitivity thresholds.
  • Recommendations for analytic sensitivity will be provided where appropriate.
  • Stakeholders will be informed about the definition, importance, and use of analytic standards.

Conclusions:

  • Integrating analytic standards will harmonize and standardize IHC assays.
  • Improved accuracy and reproducibility of IHC tests are expected within and between laboratories.
  • Methodology transfer for new IHC protocols will be simplified and enhanced.