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Heme-oxygenase-1: a key player in thyroid carcinoma development
Exequiel Gonzalo Alonso1, Marilina Mascaró1, Karen Schweitzer1
1Laboratorio de Biología del Cáncer, Instituto de Investigaciones Bioquímicas de Bahía Blanca (INIBIBB), Universidad Nacional del Sur (UNS)-CONICET, Dpto. de Biología, Bioquímica y Farmacia (UNS), Bahía Blanca, Argentina.
Endocrine-Related Cancer
|July 31, 2025
Summary
Heme oxygenase-1 (HO-1) protein is elevated in papillary thyroid cancer and linked to progression. Overexpressing HO-1 promotes cancer cell growth and migration, suggesting it as a therapeutic target.
Area of Science:
- Endocrinology
- Oncology
- Molecular Biology
Background:
- Thyroid cancer is a common endocrine malignancy, with papillary thyroid carcinoma being the most frequent subtype.
- While papillary thyroid carcinoma is often curable, its progression to aggressive anaplastic thyroid cancer necessitates new therapeutic strategies.
- Heme oxygenase-1 (HO-1) is a known biomarker for thyroid nodule malignancy, but its role in tumor progression and therapeutic potential is underexplored.
Purpose of the Study:
- To investigate the role of HO-1 in thyroid cancer progression and its potential as a therapeutic target.
- To determine the association between HO-1 expression levels and thyroid cancer malignancy and progression.
- To elucidate the functional impact of HO-1 on thyroid cancer cell behavior and signaling pathways.
Main Methods:
- Quantification of HO-1 protein in human papillary thyroid cancer tissues.
- Correlation analysis of HO-1 mRNA levels with thyroid cancer progression.
- Pharmacological and genetic manipulation of HO-1 expression in human papillary and anaplastic thyroid cancer cell lines.
- Assessment of cell proliferation, migration, and cell cycle progression.
- Investigation of MEK/ERK signaling pathway involvement.
Main Results:
- HO-1 protein levels are increased in human papillary thyroid cancer tissues.
- Elevated HO-1 mRNA expression correlates with progression to anaplastic thyroid cancer.
- Overexpression of active HO-1 enhances proliferation, migration, and cell cycle progression in thyroid cancer cells.
- The MEK/ERK signaling pathway is partially implicated in HO-1-mediated effects.
Conclusions:
- HO-1 plays a significant protumorigenic role in thyroid cancer.
- HO-1 may serve as a potential coadjuvant therapeutic target for both papillary and anaplastic thyroid cancer.
- Targeting HO-1 could offer a novel strategy to combat thyroid cancer progression.
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