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相关概念视频

Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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Cross-bridge Cycle01:26

Cross-bridge Cycle

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As muscle contracts, the overlap between the thin and thick filaments increases, decreasing the length of the sarcomere—the contractile unit of the muscle—using energy in the form of ATP. At the molecular level, this is a cyclic, multistep process that involves binding and hydrolysis of ATP, and movement of actin by myosin.
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The JAK-STAT Signaling Pathway01:20

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Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
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肌肉-免疫代谢交叉:共享的途径在缓冲症和炼.

Stefanie Westermann1, Bastian C Bennühr2, Amy R Fumo3

  • 1Department of Bioinformatics and Biochemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Braunschweig, Germany; German Center for Infection Research (DZIF), partner site Hannover-Braunschweig, Germany.

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概括

骨肌肉和免疫系统的交互对健康至关重要. 干扰会导致诸如白血病之类的消耗性疾病,而运动则促进肌肉生长,突出了依赖环境的代谢重编程.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 代谢过程中的代谢.
  • 运动生理学 运动生理学

背景情况:

  • 骨肌肉和免疫系统参与不断的代谢物和信号交换,这对恒温至关重要.
  • 在感染,炎症或癌症中出现的沟通中断会导致卡赫西亚,一种随着氨基酸流量改变而导致的消耗综合征,线粒体功能障碍和能量不平衡.

研究的目的:

  • 审查肌肉-免疫交叉语音中的代谢重编程在缓解症和运动期间.
  • 要强调共享的介质,如介质素-6,可以根据上下文诱导代谢或适应.
  • 探索针对新陈代谢和免疫代谢通信的治疗策略.

主要方法:

  • 文献综述侧重于骨肌肉和免疫相互作用中的代谢重编程.
  • 在缓冲症和运动中分析共享的信号通路.
  • 检查特定介质的作用,如介质素-6.

主要成果:

  • 相同的调解者可以驱动相反的结果 (代谢与适应),这取决于生理上下文.
  • 甲状腺症涉及有害的代谢变化和能量失衡,原因是肌肉免疫交叉干扰.
  • 运动利用类似的途径获得有益的结果,如再生和缩.

结论:

  • 了解免疫媒介在肌肉代谢中的双重作用是关键.
  • 准代谢和免疫代谢通讯途径为缓冲症和其他疾病提供了治疗潜力.
  • 代谢重编程的上下文依赖调节是肌肉免疫相互作用的核心.