Selenoenzymes, Laboratory Parameters, and Trace Elements in Different Types of Thyroid Tumor

Pawel Zagrodzki, Fergus Nicol, John R. Arthur, Marian Sowiaczek, Stanisaw Walas, Halina Mrowiec, Renata Wietecha-Posuszny

Research output: Contribution to journalArticle

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Abstract

This study was performed to investigate selenoenzyme activities and trace element concentrations in thyroid tissues, with reference to other parameters routinely used to characterize thyroid function. This was to reveal relevant parameters as possible additional markers of tumor grade, clinical course, and prognosis of thyroid disorders. The tissue samples were obtained during surgical treatment (total or near total thyroidectomy) of 122 patients with different types of thyroid tumor. For most of the investigated parameters in different groups of patients, we did not find statistically significant differences. In the majority of cases, thyroid benign or malignant tumors were not accompanied by significant derangement of the gland selenoenzymes and of either intrathyroidal or plasma concentration of selenium. Nevertheless, types I and II iodothyronine deiodinases were the most promising (among selenoenzymes) targets for diagnoses and possibly therapy of thyroid tumors. Higher activities of both enzymes in cases with Graves' disease, as compared with other thyroid lesions, suggest their involvement in the pathogenesis of this condition. Patients with struna nodosa had higher levels of thyroid Zn, Cu, and Pb as compared with papillary carcinoma subjects and also a higher level of Cu than follicular carcinoma cases. The above diagnostics may play a similar role to some of the general thyroid function indices, TSH, anti-TG, anti-TPO, and calcitonin, which can partially distinguish between various thyroid tumors. In conclusion, some of selenium status markers, when accompanied with general parameters, and trace elements can serve as factors with pathophysiologic relevance and be helpful in the identification of malignant disease. Multivariate statistical methods should be employed to tackle a broad array of thyroid tumor diagnostic data in a short time. Partial least squares model and other pattern recognition methods seem to be the most appropriate methods for that task. The miniaturization of all the steps of complex analytical procedure should be developed in a way to allow its completion as sensitive, robust, and efficient for use of the small quantity of material provided by fine-needle biopsy.

Original languageEnglish
Pages (from-to)25-40
Number of pages16
JournalBiological Trace Element Research
Volume134
Issue number1
Early online date14 Jul 2009
DOIs
Publication statusPublished - Apr 2010

Keywords

  • selenoenzymes
  • trace elements
  • thyroid tumors
  • thyroid hormones
  • carcinoma cell-lines
  • selenium status
  • cancer
  • tissues
  • peroxidase
  • expression
  • neoplasms
  • cadmium
  • blood
  • metabolism

Cite this

Zagrodzki, P., Nicol, F., Arthur, J. R., Sowiaczek, M., Walas, S., Mrowiec, H., & Wietecha-Posuszny, R. (2010). Selenoenzymes, Laboratory Parameters, and Trace Elements in Different Types of Thyroid Tumor. Biological Trace Element Research, 134(1), 25-40. https://doi.org/10.1007/s12011-009-8454-2

Selenoenzymes, Laboratory Parameters, and Trace Elements in Different Types of Thyroid Tumor. / Zagrodzki, Pawel; Nicol, Fergus; Arthur, John R.; Sowiaczek, Marian; Walas, Stanisaw; Mrowiec, Halina; Wietecha-Posuszny, Renata.

In: Biological Trace Element Research, Vol. 134, No. 1, 04.2010, p. 25-40.

Research output: Contribution to journalArticle

Zagrodzki, P, Nicol, F, Arthur, JR, Sowiaczek, M, Walas, S, Mrowiec, H & Wietecha-Posuszny, R 2010, 'Selenoenzymes, Laboratory Parameters, and Trace Elements in Different Types of Thyroid Tumor', Biological Trace Element Research, vol. 134, no. 1, pp. 25-40. https://doi.org/10.1007/s12011-009-8454-2
Zagrodzki, Pawel ; Nicol, Fergus ; Arthur, John R. ; Sowiaczek, Marian ; Walas, Stanisaw ; Mrowiec, Halina ; Wietecha-Posuszny, Renata. / Selenoenzymes, Laboratory Parameters, and Trace Elements in Different Types of Thyroid Tumor. In: Biological Trace Element Research. 2010 ; Vol. 134, No. 1. pp. 25-40.
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