Resveratrol is pro-apoptotic and thyroid hormone is anti-apoptotic in glioma cells

Both actions are integrin and ERK mediated

Hung Y. Lin, Heng Yuan Tang, Travis Keating, Yun Hsuan Wu, Ai Shih, Douglas Hammond, Mingzeng Sun, Aleck Hercbergs, Faith B. Davis, Paul J. Davis

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

The stilbene resveratrol (RV) initiates p53-dependent apoptosis via plasma membrane integrin αVβ3 in human cancer cells. A thyroid hormone (L-thyroxine, T4) membrane receptor also exists on αVβ3. Stilbene and T4 signals are both transduced by extracellular-regulated kinases 1 and 2 (ERK1/2); however, T4 promotes cell proliferation in cancer cells, whereas RV is pro-apoptotic. Thyroid hormone has been shown to interfere with RV-induced apoptosis. However, the mechanisms involved are not fully understood. In this study, we examined the mechanism whereby T4 inhibits RV-induced apoptosis in glioma cells. RV activated conventional protein kinase C and ERK1/2 and caused nuclear localization of cyclooxygenase-2 (COX-2), consequent p53 phosphorylation and apoptosis. RV-induced ERK1/2 activation is involved in not only COX-2 expression but also nuclear COX-2 accumulation. NS-398, a COX-2 inhibitor, did not affect ERK1/2 activation, but reduced the nuclear abundance of COX-2 protein and the formation of complexes of nuclear COX-2 and activated ERK1/2 that are required for p53-dependent apoptosis in RV-treated cells. T4 inhibited RV-induced nuclear COX-2 and cytosolic pro-apoptotic protein, BcLx-s, accumulation. Furthermore, T4 inhibited RV-induced apoptosis by interfering with the interaction of nuclear COX-2 and ERK1/2. This effect of T4 was prevented by tetraiodothyroacetic acid (tetrac), an inhibitor of the binding of thyroid hormone to its integrin receptor. Tetrac did not, in the absence of T4, affect induction of apoptosis by RV. Thus, the receptor sites on αVβ3 for RV and thyroid hormone are discrete and activate ERK1/2-dependent downstream effects on apoptosis that are distinctive.

Original languageEnglish
Pages (from-to)62-69
Number of pages8
JournalCarcinogenesis
Volume29
Issue number1
DOIs
Publication statusPublished - Jan 2008
Externally publishedYes

Fingerprint

Thyroid Hormones
Integrins
Glioma
Cyclooxygenase 2
Phosphotransferases
Apoptosis
Stilbenes
resveratrol
CD4-Positive T-Lymphocytes
Thyroid Hormone Receptors
Apoptosis Regulatory Proteins
Cyclooxygenase 2 Inhibitors
Thyroxine
Protein Kinase C
Neoplasms
Phosphorylation
Cell Proliferation
Cell Membrane
Membranes

ASJC Scopus subject areas

  • Cancer Research

Cite this

Resveratrol is pro-apoptotic and thyroid hormone is anti-apoptotic in glioma cells : Both actions are integrin and ERK mediated. / Lin, Hung Y.; Tang, Heng Yuan; Keating, Travis; Wu, Yun Hsuan; Shih, Ai; Hammond, Douglas; Sun, Mingzeng; Hercbergs, Aleck; Davis, Faith B.; Davis, Paul J.

In: Carcinogenesis, Vol. 29, No. 1, 01.2008, p. 62-69.

Research output: Contribution to journalArticle

Lin, HY, Tang, HY, Keating, T, Wu, YH, Shih, A, Hammond, D, Sun, M, Hercbergs, A, Davis, FB & Davis, PJ 2008, 'Resveratrol is pro-apoptotic and thyroid hormone is anti-apoptotic in glioma cells: Both actions are integrin and ERK mediated', Carcinogenesis, vol. 29, no. 1, pp. 62-69. https://doi.org/10.1093/carcin/bgm239
Lin, Hung Y. ; Tang, Heng Yuan ; Keating, Travis ; Wu, Yun Hsuan ; Shih, Ai ; Hammond, Douglas ; Sun, Mingzeng ; Hercbergs, Aleck ; Davis, Faith B. ; Davis, Paul J. / Resveratrol is pro-apoptotic and thyroid hormone is anti-apoptotic in glioma cells : Both actions are integrin and ERK mediated. In: Carcinogenesis. 2008 ; Vol. 29, No. 1. pp. 62-69.
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