Intermittent Hypoxia Alters the Circadian Expression of Clock Genes in Mouse Brain and Liver.

Intermittent Hypoxia Alters the Circadian Expression of Clock Genes in Mouse Brain and Liver.
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DOI:
10.3390/genes12101627
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发表时间:
2021-10-16
期刊:
影响因子:
3.5
通讯作者:
Smith DF
Smith DF
中科院分区:
生物学3区
文献类型:
--
作者:
Koritala BSC;Lee YY;Bhadri SS;Gaspar LS;Stanforth C;Wu G;Ruben MD;Francey LJ;Smith DF

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在美国,至少有三分之一的成年人由于健康或生活条件而经历间歇性缺氧(IH)。这些成年人中的大多数患有睡眠呼吸状况和相关的昼夜节律紊乱。IH对生物钟的影响还没有得到很好的表征。在目前的研究中,我们使用IH小鼠模型来了解IH对中枢(大脑)和外周(肝脏)组织中典型时钟基因的昼夜节律基因表达的影响。使用定量逆转录聚合酶链反应(qRT-PCR)测量基因表达。CircaCompare用于评估常氧和IH之间的差异节律性。我们的观察表明,与大脑中的生物钟相比,肝脏中的生物钟对IH的敏感性较低。
At least one-third of adults in the United States experience intermittent hypoxia (IH) due to health or living conditions. The majority of these adults suffer with sleep breathing conditions and associated circadian rhythm disorders. The impact of IH on the circadian clock is not well characterized. In the current study, we used an IH mouse model to understand the impact of IH on the circadian gene expression of the canonical clock genes in the central (the brain) and peripheral (the liver) tissues. Gene expression was measured using a Quantitative Reverse Transcription Polymerase Chain Reaction (qRT-PCR). CircaCompare was used to evaluate the differential rhythmicity between normoxia and IH. Our observations suggested that the circadian clock in the liver was less sensitive to IH compared to the circadian clock in the brain.
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