The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.

In mammals, the circadian rhythm central generator consists of interactions among clock genes, including Per1/2/3, Cry1/2, Bmal1, and Clock. Circadian rhythm disruption may lead to increased risk of cancer in humans, and deregulation of clock genes has been implicated in many types of cancers. Among...

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Autores principales: Takashi Okabe, Megumi Kumagai, Yoshihiro Nakajima, Suguru Shirotake, Kiichiro Kodaira, Masafumi Oyama, Munehisa Ueno, Masaaki Ikeda
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Publicado: Public Library of Science (PLoS) 2014
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Acceso en línea:https://doaj.org/article/72d8721dc05a44ef8bbd201ada9b2035
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spelling oai:doaj.org-article:72d8721dc05a44ef8bbd201ada9b20352021-11-25T05:55:41ZThe impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.1932-620310.1371/journal.pone.0109693https://doaj.org/article/72d8721dc05a44ef8bbd201ada9b20352014-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0109693https://doaj.org/toc/1932-6203In mammals, the circadian rhythm central generator consists of interactions among clock genes, including Per1/2/3, Cry1/2, Bmal1, and Clock. Circadian rhythm disruption may lead to increased risk of cancer in humans, and deregulation of clock genes has been implicated in many types of cancers. Among these genes, Per2 is reported to have tumor suppressor properties, but little is known about the correlation between Per2 and HIF, which is the main target of renal cell carcinoma (RCC) therapy. In this study, the rhythmic expression of the Per2 gene was not detectable in renal cancer cell lines, with the exception of Caki-2 cells. In Caki-2 cells, HIF1α increased the amplitude of Per2 oscillation by directly binding to the HIF-binding site located on the Per2 promoter. These results indicate that HIF1α may enhance the amplitude of the Per2 circadian rhythm.Takashi OkabeMegumi KumagaiYoshihiro NakajimaSuguru ShirotakeKiichiro KodairaMasafumi OyamaMunehisa UenoMasaaki IkedaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 10, p e109693 (2014)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Takashi Okabe
Megumi Kumagai
Yoshihiro Nakajima
Suguru Shirotake
Kiichiro Kodaira
Masafumi Oyama
Munehisa Ueno
Masaaki Ikeda
The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
description In mammals, the circadian rhythm central generator consists of interactions among clock genes, including Per1/2/3, Cry1/2, Bmal1, and Clock. Circadian rhythm disruption may lead to increased risk of cancer in humans, and deregulation of clock genes has been implicated in many types of cancers. Among these genes, Per2 is reported to have tumor suppressor properties, but little is known about the correlation between Per2 and HIF, which is the main target of renal cell carcinoma (RCC) therapy. In this study, the rhythmic expression of the Per2 gene was not detectable in renal cancer cell lines, with the exception of Caki-2 cells. In Caki-2 cells, HIF1α increased the amplitude of Per2 oscillation by directly binding to the HIF-binding site located on the Per2 promoter. These results indicate that HIF1α may enhance the amplitude of the Per2 circadian rhythm.
format article
author Takashi Okabe
Megumi Kumagai
Yoshihiro Nakajima
Suguru Shirotake
Kiichiro Kodaira
Masafumi Oyama
Munehisa Ueno
Masaaki Ikeda
author_facet Takashi Okabe
Megumi Kumagai
Yoshihiro Nakajima
Suguru Shirotake
Kiichiro Kodaira
Masafumi Oyama
Munehisa Ueno
Masaaki Ikeda
author_sort Takashi Okabe
title The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
title_short The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
title_full The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
title_fullStr The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
title_full_unstemmed The impact of HIF1α on the Per2 circadian rhythm in renal cancer cell lines.
title_sort impact of hif1α on the per2 circadian rhythm in renal cancer cell lines.
publisher Public Library of Science (PLoS)
publishDate 2014
url https://doaj.org/article/72d8721dc05a44ef8bbd201ada9b2035
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