The molecular effects of sulforaphane and capsaicin on metabolism upon androgen and tip60 activation of androgen receptor
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Kah, Ni Tan
Rodriguez, Tayner
Avery, Vicky M
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Abstract
Androgen receptor (AR) stimulators, such as androgen and Tip60, play a pivotal role in prostatic carcinogenesis as androgen receptor signaling is critical for the growth and transformation of the prostate gland. Moreover, androgen and Tip60 promotes HIF-1α activation, involved in metabolic reprogramming by increasing glycolysis, a hallmark in cancer initiation and development. In this study we evaluated the effect of androgen and Tip60 stimulus in AR pathway activation and HIF-1α stabilization, in terms of proliferation and cell metabolism in androgen-sensitive LNCaP cells. The protective role of the bioactive compounds sulforaphane and capsaicin against the effect of these stimuli leading to pro-carcinogenic features was also addressed. Sulforaphane and capsaicin decreased nuclear AR, prostate specific antigen and Bcl-XL levels, and cell proliferation induced by androgen and Tip60 in LNCaP cells. These bioactive compounds prevented the increase in glycolysis, hexokinase and pyruvate kinase activity, and reduced HIF-1α stabilization induced by androgen and Tip60 in LNCaP cells. The protective role of sulforaphane and capsaicin on prostate cancer may rely on mechanisms involving the inhibition of Tip60, AR and HIF-1α effects.
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International Journal of Molecular Sciences
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20
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21
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© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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Other chemical sciences
Genetics
Other biological sciences
Biochemistry and cell biology
Microbiology
Medicinal and biomolecular chemistry
Tip60
androgen receptor
capsaicin
glycolysis
hexokinase
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Carrasco-Pozo, C; Tan, KN; Rodriguez, T; Avery, VM, The molecular effects of sulforaphane and capsaicin on metabolism upon androgen and tip60 activation of androgen receptor, International Journal of Molecular Sciences, 2019, 20 (21), pp. 5384:1-5384:20