Temperature Sensation: From Molecular Thermosensors to Neural Circuits and Coding Principles.

Temperature Sensation: From Molecular Thermosensors to Neural Circuits and Coding Principles.
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DOI:
10.1146/annurev-physiol-031220-095215
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发表时间:
2021-02-10
影响因子:
18.2
通讯作者:
Xu XZS
Xu XZS
中科院分区:
医学1区
文献类型:
--
作者:
Xiao R;Xu XZS

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温度是一个普遍的线索,并调节许多基本过程,从酶反应到物种迁移。由于温度对生理和行为的深刻影响,动物和人类已经进化出复杂的机制来检测温度变化。本研究以小鼠、果蝇、C.已经揭示了许多令人兴奋的温度感觉原理。例如,保守的分子温度传感器,包括热敏通道和受体,作为跨分类群的温度变化的初始检测器。此外,不同物种的热敏神经元和回路似乎采用类似的逻辑来识别和处理温度信息。在这里,我们提出了目前在分子和细胞水平上对温度感觉的理解。我们还讨论了在电路层面上的基本编码策略的温度感觉。对温度感觉的透彻理解不仅为感觉生物学提供了关键的见解,而且为开发更好的治疗各种感觉障碍奠定了基础。
Temperature is a universal cue and regulates many essential processes ranging from enzymatic reactions to species migration. Due to the profound impact of temperature on physiology and behavior, animals and humans have evolved sophisticated mechanisms to detect temperature changes. Studies from animal models, such as mouse, Drosophila, and C. elegans, have revealed many exciting principles of thermosensation. For example, conserved molecular thermosensors, including thermosensitive channels and receptors, act as the initial detectors of temperature changes across taxa. Additionally, thermosensory neurons and circuits in different species appear to adopt similar logic to transduce and process temperature information. Here, we present the current understanding of thermosensation at the molecular and cellular levels. We also discuss the fundamental coding strategies of thermosensation at the circuit level. A thorough understanding of thermosensation not only provides key insights into sensory biology but also builds a foundation for developing better treatments for various sensory disorders.
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