Regulation of AKR1B1 by thyroid hormone and its receptors

Chen Shin Liao, Pei Ju Tai, Ya Hui Huang, Ruey Nan Chen, Sheng Ming Wu, Lu Wei Kuo, Chau Ting Yeh, Ming Chieh Tsai, Wei Jan Chen, Kwang Huei Lin

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The objective of this study was to identify genes regulated by thyroid hormone (T3) mediated by its receptor (TR) and associated with tumorigenesis. The gene encoding aldo-keto reductase family 1, member B1 (AKR1B1), as previously identified by c-DNA microarray, is known to be up-regulated by T3 treatment. Enzyme AKR1B1 was elevated roughly 3-fold in HepG2-TRα1 cells at the protein level and 4.6-fold increase at the mRNA level after 48 h T3 treatment. Similar findings were obtained from thyroidectomized rats after T3 application. To identify and localize the critical TR element (TRE), series deletion of the promoter mutant were constructed and electrophoretic mobility shift assays were carried out. The TRE on the AKR1B1 promoter was localized to the -1099/-1028 region. Further, this study demonstrated that AKR1B1 over-expression in some types of hepatocellular carcinomas (HCCs) is TR-dependent and might play a crucial role in the development of HCC. Thus, T3 regulates AKR1B1 gene expression via a TRE-dependant mechanism and associates liver cancer.

Original languageEnglish
Pages (from-to)109-117
Number of pages9
JournalMolecular and Cellular Endocrinology
Volume307
Issue number1-2
DOIs
Publication statusPublished - Aug 13 2009
Externally publishedYes

Fingerprint

Thyroid Hormone Receptors
Hepatocellular Carcinoma
Electrophoretic mobility
Gene encoding
Hep G2 Cells
Triiodothyronine
Electrophoretic Mobility Shift Assay
Liver Neoplasms
Microarrays
Oligonucleotide Array Sequence Analysis
Gene expression
Liver
Genes
Rats
Assays
Carcinogenesis
carbonyl reductase (NADPH)
Gene Expression
Messenger RNA
DNA

Keywords

  • AKR1B1
  • Receptor
  • Thyroid hormone

ASJC Scopus subject areas

  • Endocrinology
  • Molecular Biology
  • Biochemistry

Cite this

Liao, C. S., Tai, P. J., Huang, Y. H., Chen, R. N., Wu, S. M., Kuo, L. W., ... Lin, K. H. (2009). Regulation of AKR1B1 by thyroid hormone and its receptors. Molecular and Cellular Endocrinology, 307(1-2), 109-117. https://doi.org/10.1016/j.mce.2009.04.013

Regulation of AKR1B1 by thyroid hormone and its receptors. / Liao, Chen Shin; Tai, Pei Ju; Huang, Ya Hui; Chen, Ruey Nan; Wu, Sheng Ming; Kuo, Lu Wei; Yeh, Chau Ting; Tsai, Ming Chieh; Chen, Wei Jan; Lin, Kwang Huei.

In: Molecular and Cellular Endocrinology, Vol. 307, No. 1-2, 13.08.2009, p. 109-117.

Research output: Contribution to journalArticle

Liao, CS, Tai, PJ, Huang, YH, Chen, RN, Wu, SM, Kuo, LW, Yeh, CT, Tsai, MC, Chen, WJ & Lin, KH 2009, 'Regulation of AKR1B1 by thyroid hormone and its receptors', Molecular and Cellular Endocrinology, vol. 307, no. 1-2, pp. 109-117. https://doi.org/10.1016/j.mce.2009.04.013
Liao, Chen Shin ; Tai, Pei Ju ; Huang, Ya Hui ; Chen, Ruey Nan ; Wu, Sheng Ming ; Kuo, Lu Wei ; Yeh, Chau Ting ; Tsai, Ming Chieh ; Chen, Wei Jan ; Lin, Kwang Huei. / Regulation of AKR1B1 by thyroid hormone and its receptors. In: Molecular and Cellular Endocrinology. 2009 ; Vol. 307, No. 1-2. pp. 109-117.
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