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Introduction

Galectin-3 (Gal-3), coding by LGALS3BP gene, is a protein of the lectin family that has been associated with neoplastic processes and seems to play an important role in a variety of cell biological processes. In the thyroid gland, the high expression of this protein has been described in differentiated carcinomas, especially in papillary thyroid cancer (PTC).

Aim

Analysis of Gal-3 protein expression in PTC and nodular goiters; investigation of Gal-3 mRNA expression in peripheral blood lymphocytes (PBL) in patients with PTC and nodular goiter; analysis of correlation between Gal-3 protein expression in PTC and Gal-3 mRNA in PBL of the same patient.

Material and methods

Gal-3 protein was evaluated by immunohistochemistry in benign (27 multinodular goiters) and malignant (30 papillary carcinomas) thyroid tissues and galectin-3 mRNA expression by real-time PCR in peripheral blood lymphocytes (PBL) from 90 patients with multinodular goiter (n = 27), papillary carcinoma (n = 30) and healthy controls (n = 33).

Results

In PTC we observed increased expression of Gal-3 protein (all 30 cases) in cytoplasm, nucleus and cell membranes of cancer cells. 23 of 27 benign thyroid nodular goiters were negative for Gal-3 expression. In all examined blood samples we observed higher LGALS3BP gene expression than GAPDH (house keeping gene) with no difference between both groups, without relation to the Gal-3 expression in PTC.

Conclusions

There is no difference in Gal-3 expression in peripheral blood lymphocytes in patients with papillary thyroid cancer in relation to nodular goiter."xsd:string
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http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/author"Rzeszutko M."xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/author"Kaliszewski K."xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/author"Lukienczuk T."xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/author"Sadakierska-Chudy A."xsd:string
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http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/name"Endokrynol Pol 57 Suppl"xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/pages"38-44"xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/title"[Analysis of expression of LGALS3BP gene in thyroid tissues and peripheral blood lymphocytes in patients with papillary thyroid cancer]."xsd:string
http://purl.uniprot.org/citations/17091455http://purl.uniprot.org/core/volume"A"xsd:string
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