Glutathione peroxidase 2 expression in human tumors: a tissue microarray study on 18,555 tumors - Summary - MDSpire

Glutathione peroxidase 2 expression in human tumors: a tissue microarray study on 18,555 tumors

  • By

  • Viktoria Chirico

  • Niklas Jahn

  • Seyma Büyücek

  • Nina Schraps

  • Maximilian Lennartz

  • Katharina Möller

  • Elena Bady

  • Lisa Hornsteiner

  • Henning Plage

  • Claudia Hube-Magg

  • Martina Kluth

  • Frank Jacobsen

  • Florian Viehweger

  • David Dum

  • Andrea Hinsch

  • Christoph Fraune

  • Christian Bernreuther

  • Patrick Lebok

  • Guido Sauter

  • Till S Clauditz

  • Till Krech

  • Andreas H Marx

  • Ronald Simon

  • Eike Burandt

  • Natalia Gorbokon

  • Sarah Minner

  • Stefan Steurer

  • May 4, 2026

  • 0 min

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Objective:

To analyze the expression of GPX2 in a large cohort of tumor samples to understand its role in cancer and its potential as a therapeutic target.

Key Findings:
  • GPX2 expression was observed in 95 of 148 tumor categories, with significant positivity in colorectal adenocarcinomas (97.9%).
  • Reduced GPX2 staining correlated with aggressive disease features, such as advanced pT stage and nodal metastasis in several cancer types.
Interpretation:

GPX2 is commonly expressed in various cancers, particularly in tumors derived from normal tissues with high GPX2 levels. Reduced expression is associated with more aggressive disease characteristics, suggesting its potential as a biomarker for cancer prognosis.

Limitations:
  • The study primarily focused on immunohistochemistry without exploring functional implications of GPX2 expression, which may limit understanding of its biological role.
  • Potential biases in sample selection and representation of tumor types could affect the generalizability of the findings.
Conclusion:

GPX2 expression is prevalent in cancer, particularly in colorectal adenocarcinomas, and its reduced levels are linked to aggressive disease features, indicating its potential role as a biomarker in cancer prognosis.

Original Source(s)

Glutathione peroxidase 2 expression in human tumors: a tissue microarray study on 18,555 tumors

  • by Viktoria Chirico, Niklas Jahn, Seyma Büyücek, Nina Schraps, Maximilian Lennartz, Katharina Möller, Elena Bady, Lisa Hornsteiner, Henning Plage, Claudia Hube-Magg, Martina Kluth, Frank Jacobsen, Florian Viehweger, David Dum, Andrea Hinsch, Christoph Fraune, Christian Bernreuther, Patrick Lebok, Guido Sauter, Till S Clauditz, Till Krech, Andreas H Marx, Ronald Simon, Eike Burandt, Natalia Gorbokon, Sarah Minner, Stefan Steurer

  • May 4, 2026

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