Related Experiment Video
Updated: Jan 3, 2026

Dual-modality Molecular Cartography: Integrating Multiplex mRNA Detection with Protein Imaging Mass Cytometry
Published on: November 14, 2025
Concurrent Immunohistochemical Localization and Western Blot Analysis of the MIF Receptor, CD74, in Formalin-Fixed,
Amanda Graham1, Warren B Nothnick2
1University of Kansas Medical Center, Kansas City, KS, USA.
Insights
This study combines immunohistochemistry and Western blotting to quantify macrophage migration inhibitory factor (MIF) receptor CD74 expression in human endometrium, offering both cellular localization and precise measurement.
Area of Science:
- Biochemistry
- Immunology
- Histology
Background:
- Formalin-fixed, paraffin-embedded tissues are valuable for protein expression studies.
- Immunohistochemistry offers protein localization but lacks quantitation.
- Western blotting provides quantitation but lacks cellular localization.
Purpose of the Study:
- To develop a dual approach for assessing protein expression.
- To evaluate the macrophage migration inhibitory factor (MIF) receptor CD74 in human endometrium.
- To combine immunohistochemistry and Western blotting for comprehensive analysis.
Main Methods:
- Utilized archived, formalin-fixed, paraffin-embedded human endometrial tissue.
- Employed immunohistochemical techniques for protein localization.
- Performed Western blot analysis for protein quantitation.
Main Results:
- Successfully localized and quantified the expression of CD74 in human endometrium.
- Demonstrated the utility of a dual approach for protein analysis.
- Provided insights into CD74 expression patterns within endometrial tissue.
Conclusions:
- The combined immunohistochemistry and Western blotting approach enhances the analysis of protein expression in complex tissues.
- This method allows for both cellular localization and accurate quantitation of target proteins like CD74.
- Archived tissues are a reliable resource for such detailed molecular investigations.
Abstract:
Archived, formalin-fixed, paraffin-embedded tissue provides a robust resource for assessing protein expression in a variety of complex tissue types. Immunohistochemical localization techniques allow one to identify proteins of interest in the different cell populations which compose these tissues, but quantitative comparison within and between samples is semiquantitative. In contrast, Western blot analysis provides a more quantitative assessment but without the ability to identify the cellular sources of expressed protein. Here we describe a dual approach using human endometrium to assess both the localization and quantitation of the macrophage migration inhibitory factor (MIF) receptor CD74 by immunohistochemical techniques and Western blotting.

