Molecular machines stimulate intercellular calcium waves and cause muscle contraction
Molecular machines stimulate intercellular calcium waves and cause muscle contraction
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分子机器刺激细胞间钙波并引起肌肉收缩
DOI:
10.1038/s41565-023-01436-w
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发表时间:
2023
影响因子:
38.3
通讯作者:
Santos, Ana L.
中科院分区:
文献类型:
--
作者:
Beckham, Jacob L.;van Venrooy, Alexis R.;Kim, Soonyoung;Li, Gang;Li, Bowen;Duret, Guillaume;Arnold, Dallin;Zhao, Xuan;Li, John T.;Santos, Ana L.
Intercellular calcium waves (ICW) are complex signalling phenomena that control many essential biological activities, including smooth muscle contraction, vesicle secretion, gene expression and changes in neuronal excitability. Accordingly, the remote stimulation of ICW could result in versatile biomodulation and therapeutic strategies. Here we demonstrate that light-activated molecular machines (MM)—molecules that perform mechanical work on the molecular scale—can remotely stimulate ICW. MM consist of a polycyclic rotor and stator that rotate around a central alkene when activated with visible light. Live-cell calcium-tracking and pharmacological experiments reveal that MM-induced ICW are driven by the activation of inositol-triphosphate-mediated signalling pathways by unidirectional, fast-rotating MM. Our data suggest that MM-induced ICW can control muscle contraction in vitro in cardiomyocytes and animal behaviour in vivo inHydra vulgaris. This work demonstrates a strategy for directly controlling cell signalling and downstream biological function using molecular-scale devices.
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通讯作者:
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影响因子:
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发表时间:
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期刊:
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