Daily expression of mRNAs for the mammalian clock genes Per2 and Clock in mouse suprachiasmatic nuclei and liver and human peripheral blood mononuclear cells

Miyako Takata, Naoto Burioka, Shigehiro Ohdo, Hiroshi Takane, Hideyuki Terazono, Masanori Miyata, Takanori Sako, Hisashi Suyama, Yasushi Fukuoka, Katsuyuki Tomita, Eiji Shimizu

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

The mammalian circadian clock is located in the suprachiasmatic nucleus (SCN) of the hypothalamus and in most peripheral tissues. Clock genes drive the biological clock. However, circadian expression variations of the human clock genes are still unclear. In this study, we analyzed the daily variations of mPer2 and mClock mRNA expression in both the mouse SCN and liver to evaluate the central and peripheral alterations in the rodent clock genes. We also examined whether there are the daily variations of the clock genes hPer2 and hClock in human peripheral blood mononuclear cells (PBMCs). The daily variation of mClock and mPer2 mRNA expression in mouse SCN and liver were determined at ZT2, ZT6, ZT10, ZT14, ZT18 or ZT22. We isolated PBMCs from 9 healthy volunteers at 9:00 and 21:00 and examined the expression of hPer2 and hClock mRNA by RT-PCR analysis. The animals exhibited a robust daily rhythm in the RNA levels of mPer2 in the SCN and liver (P

Original languageEnglish
Pages (from-to)263-269
Number of pages7
JournalJapanese Journal of Pharmacology
Volume90
Issue number3
DOIs
Publication statusPublished - 2002 Nov 1
Externally publishedYes

Fingerprint

Suprachiasmatic Nucleus
Blood Cells
Messenger RNA
Liver
Genes
Biological Clocks
Circadian Clocks
Hypothalamus
Rodentia
Healthy Volunteers
RNA
Polymerase Chain Reaction

Keywords

  • Clock gene
  • Liver
  • Per2
  • Peripheral blood mononuclear cell
  • Suprachiasmatic nucleus

ASJC Scopus subject areas

  • Pharmacology
  • Molecular Medicine

Cite this

Daily expression of mRNAs for the mammalian clock genes Per2 and Clock in mouse suprachiasmatic nuclei and liver and human peripheral blood mononuclear cells. / Takata, Miyako; Burioka, Naoto; Ohdo, Shigehiro; Takane, Hiroshi; Terazono, Hideyuki; Miyata, Masanori; Sako, Takanori; Suyama, Hisashi; Fukuoka, Yasushi; Tomita, Katsuyuki; Shimizu, Eiji.

In: Japanese Journal of Pharmacology, Vol. 90, No. 3, 01.11.2002, p. 263-269.

Research output: Contribution to journalArticle

Takata, M, Burioka, N, Ohdo, S, Takane, H, Terazono, H, Miyata, M, Sako, T, Suyama, H, Fukuoka, Y, Tomita, K & Shimizu, E 2002, 'Daily expression of mRNAs for the mammalian clock genes Per2 and Clock in mouse suprachiasmatic nuclei and liver and human peripheral blood mononuclear cells', Japanese Journal of Pharmacology, vol. 90, no. 3, pp. 263-269. https://doi.org/10.1254/jjp.90.263
Takata, Miyako ; Burioka, Naoto ; Ohdo, Shigehiro ; Takane, Hiroshi ; Terazono, Hideyuki ; Miyata, Masanori ; Sako, Takanori ; Suyama, Hisashi ; Fukuoka, Yasushi ; Tomita, Katsuyuki ; Shimizu, Eiji. / Daily expression of mRNAs for the mammalian clock genes Per2 and Clock in mouse suprachiasmatic nuclei and liver and human peripheral blood mononuclear cells. In: Japanese Journal of Pharmacology. 2002 ; Vol. 90, No. 3. pp. 263-269.
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