Circadian expression of clock genes in mouse macrophages, dendritic cells, and B cells.

Circadian expression of clock genes in mouse macrophages, dendritic cells, and B cells.
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小鼠巨噬细胞,树突细胞和B细胞中时钟基因的昼夜节律表达。

DOI:
10.1016/j.bbi.2011.10.001
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发表时间:
2012-03
影响因子:
15.1
通讯作者:
Fikrig, Erol
Fikrig, Erol
中科院分区:
医学1区
文献类型:
--
作者:
Silver, Adam C.;Arjona, Alvaro;Hughes, Michael E.;Nitabach, Michael N.;Fikrig, Erol

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在哺乳动物中,昼夜节律和日常节律几乎影响着生理学的所有方面,从行为到基因表达。在小鼠脾脏和脾NK细胞中描述了功能分子钟。我们研究的目的是探讨分子钟机制在其他免疫细胞中的存在。因此,我们测量了生物钟基因(Per1、Per2、Bmal1和clock)和生物钟控制转录因子(Rev-erbα和Dbp)在脾脏富集的巨噬细胞、树突状细胞和B细胞中的基因表达的昼夜变化。我们的研究揭示了在脾巨噬细胞、树突状细胞和B细胞中存在功能性分子钟机制。
In mammals, circadian and daily rhythms influence nearly all aspects of physiology, ranging from behavior to gene expression. Functional molecular clocks have been described in the murine spleen and splenic NK cells. The aim of our study was to investigate the existence of molecular clock mechanisms in other immune cells. Therefore, we measured the circadian changes in gene expression of clock genes (Per1, Per2, Bmal1, and Clock) and clock-controlled transcription factors (Rev-erbα and Dbp) in splenic enriched macrophages, dendritic cells, and B cells in both mice entrained to a light-dark cycle and under constant environmental conditions. Our study reveals the existence of functional molecular clock mechanisms in splenic macrophages, dendritic cells, and B cells.
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