BMAL1 links the circadian clock to viral airway pathology and asthma phenotypes.
BMAL1 links the circadian clock to viral airway pathology and asthma phenotypes.
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DOI:
10.1038/mi.2017.24
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发表时间:
2018-01
影响因子:
8
通讯作者:
Haspel JA
中科院分区:
文献类型:
--
作者:
Ehlers A;Xie W;Agapov E;Brown S;Steinberg D;Tidwell R;Sajol G;Schutz R;Weaver R;Yu H;Castro M;Bacharier LB;Wang X;Holtzman MJ;Haspel JA
Patients with asthma experience circadian variations in their symptoms. However it remains unclear how specific aspects of this common airway disease relate to clock genes, which are critical to the generation of circadian rhythms in mammals. Here, we used a viral model of acute and chronic airway disease to examine how circadian clock disruption affects asthmatic lung phenotypes. Deletion of the core clock gene bmal1 or environmental disruption of circadian function by jet-lag exacerbated acute viral bronchiolitis caused by Sendai virus (SeV) and influenza A virus (IAV) in mice. Post-natal deletion of bmal1 was sufficient to trigger increased SeV susceptibility and correlated with impaired control of viral replication. Importantly, bmal1−/− mice developed much more extensive asthma-like airway changes post-infection, including mucus production and increased airway resistance. In human airway samples from two asthma cohorts, we observed altered expression patterns of multiple clock genes. Our results suggest a role for bmal1 in the development of asthmatic airway disease via the regulation of lung antiviral responses to common viral triggers of asthma.
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DOI:
10.1073/pnas.1106750109
发表时间:
2012-01-10
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