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Related Experiment Video

Updated: Jun 19, 2025

Author Spotlight: Unlocking Insights into the Immune Cell Landscape of Tumors
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Rapid multiplex immunohistochemistry for characterizing tumor-immune microenvironment.

Alisa Kimura1, Takahiro Tsujikawa1,2, Hiroki Morimoto1

  • 1Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Heliyon
|July 25, 2024
PubMed
Summary

A new rapid multiplex immunohistochemistry (IHC) method uses 6 markers for faster, quantitative analysis of tumor-infiltrating immune cells. This technique aids in developing personalized cancer treatments by assessing the tumor microenvironment efficiently.

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Area of Science:

  • Oncology
  • Immunology
  • Biotechnology

Background:

  • Intratumoral immune profiles impact cancer prognosis and treatment efficacy.
  • Personalized medicine relies on identifying predictive biomarkers.
  • Multiplex immunohistochemistry (IHC) is a standard for tissue evaluation.

Purpose of the Study:

  • To develop a rapid, quantitative multiplex IHC method for evaluating intratumoral immune profiles.
  • To adapt a previously developed 14-marker multiplex IHC into a faster 6-marker assay.
  • To enable clinically feasible assessment of the tumor-immune microenvironment.

Main Methods:

  • Reduced marker labels from 14 to 6 based on prognostic relevance.
  • Optimized staining protocols (temperature, chromogen, washing time) for speed.
  • Validated the 6-marker rapid multiplex IHC against conventional methods in benign tonsil and head and neck cancer tissues.

Main Results:

  • The 6 selected markers correlated significantly with the 14 markers for immune classification.
  • The rapid 6-marker multiplex IHC assay was completed in under 6 hours.
  • Significant correlations were observed in staining intensity, immune cell densities, ratios, and spatial profiles compared to conventional IHC.

Conclusions:

  • The developed 6-marker rapid multiplex IHC method provides a quantitative assessment of the tumor-immune microenvironment.
  • This technique can be performed on a clinically feasible time scale.
  • It supports the advancement of tissue biomarker-guided therapeutic strategies for personalized cancer treatment.