Thyroid Peroxidase Protein Changes in Thyroid Cancer
Author Information
Author(s): Czarnocka B, Pastuszko D, Janota-Bzowski M, Weetman A P, Watson P F, Kemp E H, McIntosh R S, Asghar M S, Jarzab B, Gubala E, Wloch J, Lange D
Primary Institution: Department of Biochemistry, Medical Center of Postgraduate Education, Warsaw, Poland
Hypothesis
Is there loss or qualitative changes in the expression of thyroid peroxidase protein in thyroid epithelial cancer?
Conclusion
About two-thirds of differentiated thyroid carcinomas express TPO protein, but the levels vary significantly compared to normal tissue.
Supporting Evidence
- TPO protein expression was compared in 30 samples of malignant thyroid tissue and adjacent normal tissues.
- In 8 cases, there was a virtual absence of TPO expression.
- In the remaining 22 malignant thyroid tumors, TPO protein levels varied considerably.
- The study confirmed the results using SDS-PAGE and Western blot analysis.
Takeaway
This study looked at a protein called TPO in thyroid cancer and found that it is often present but can be at very different levels compared to healthy tissue.
Methodology
TPO protein expression was analyzed in malignant thyroid tissue samples compared to adjacent normal tissues using monoclonal antibodies and confirmed by SDS-PAGE and Western blot analysis.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website