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. 2000 Jul 31;155(2):145-52.
doi: 10.1016/s0304-3835(00)00416-x.

Expression of thyroid hormone receptors is disturbed in human renal clear cell carcinoma

M Puzianowska-Kuznicka  1 , A Nauman, A Madej, Z Tanski, S Cheng, J Nauman
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Expression of thyroid hormone receptors is disturbed in human renal clear cell carcinoma

M Puzianowska-Kuznicka et al. Cancer Lett. .

Abstract

Human renal clear cell carcinoma (RCCC) accounts for up to 2% of human cancers. To find out if thyroid hormone (T3) and its receptors (TRs) play a role in tumorigenesis of RCCC, the expression of TRs was evaluated on mRNA and protein level. It was found that TRalpha (both alpha1 and alpha2) mRNA amount was significantly decreased in tumors while compared with healthy kidney tissue, and this decrease was deepest in G1 (well differentiated) RCCCs. In contrast, TRalpha1 protein was 1.6x overexpressed in tumors. TRbeta1 mRNA amount was overexpressed in 30% and significantly decreased in 70% of examined tumors. On the protein level, TRbeta1 amount was 1.7x lower in tumors than in healthy controls.

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