Inhibition of salt inducible kinases reduces rhythmic HIV-1 replication and reactivation from latency.

Inhibition of salt inducible kinases reduces rhythmic HIV-1 replication and reactivation from latency.
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DOI:
10.1099/jgv.0.001877
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发表时间:
2023-08
影响因子:
3.8
通讯作者:
McKeating, Jane A.
McKeating, Jane A.
中科院分区:
医学3区
文献类型:
--
作者:
Borrmann, Helene;Ismed, Dini;Kliszczak, Anna E.;Borrow, Persephone;Vasudevan, Sridhar;Jagannath, Aarti;Zhuang, Xiaodong;McKeating, Jane A.

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人类免疫缺陷病毒1型(HIV-1)对全球健康造成重大负担,根除潜伏病毒感染是该领域的最大挑战之一。生物钟是一种内源性的计时系统,以24 h左右的周期振荡,调节多种生理过程和细胞功能,我们最近报道了细胞内生物钟调节HIV-1复制的节律。盐诱导激酶(SIK)有助于昼夜调节网络,然而,SIK调节HIV-1感染的证据有限。在这里,我们表明,药物抑制SIKs扰乱细胞时钟,减少节奏的HIV-1复制在昼夜节律同步的细胞。此外,SIK抑制剂或SIK表达的遗传沉默分别抑制原代细胞和潜伏期模型中的病毒复制。总的来说,这项研究证明了盐诱导激酶在调节HIV-1复制和潜伏期再激活中的作用,这可以为更好地了解和靶向潜伏期HIV-1感染提供创新途径。
Human immunodeficiency virus type 1 (HIV-1) causes a major burden on global health, and eradication of latent virus infection is one of the biggest challenges in the field. The circadian clock is an endogenous timing system that oscillates with a ~24 h period regulating multiple physiological processes and cellular functions, and we recently reported that the cell intrinsic clock regulates rhythmic HIV-1 replication. Salt inducible kinases (SIK) contribute to circadian regulatory networks, however, there is limited evidence for SIKs regulating HIV-1 infection. Here, we show that pharmacological inhibition of SIKs perturbed the cellular clock and reduced rhythmic HIV-1 replication in circadian synchronised cells. Further, SIK inhibitors or genetic silencing of Sik expression inhibited viral replication in primary cells and in a latency model, respectively. Overall, this study demonstrates a role for salt inducible kinases in regulating HIV-1 replication and latency reactivation, which can provide innovative routes to better understand and target latent HIV-1 infection.
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