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Asynchronous movement of sarcomeres in myocardium under living conditions: role of titin.

作者信息

Kobirumaki-Shimozawa Fuyu, Oyama Kotaro, Nakanishi Tomohiro, Ishiwata Shin'ichi, Fukuda Norio

机构信息

Department of Cell Physiology, The Jikei University School of Medicine, Minato-ku, Tokyo, Japan.

Takasaki Institute for Advanced Quantum Science, National Institutes for Quantum Science and Technology, Takasaki-shi, Gunma, Japan.

出版信息

Front Physiol. 2024 Aug 2;15:1426545. doi: 10.3389/fphys.2024.1426545. eCollection 2024.

DOI:10.3389/fphys.2024.1426545
PMID:39156829
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11327019/
Abstract
摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8625/11327019/038737ea1df4/fphys-15-1426545-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8625/11327019/038737ea1df4/fphys-15-1426545-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8625/11327019/038737ea1df4/fphys-15-1426545-g001.jpg

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Asynchronous movement of sarcomeres in myocardium under living conditions: role of titin.活体条件下心肌中肌节的异步运动：肌联蛋白的作用
Front Physiol. 2024 Aug 2;15:1426545. doi: 10.3389/fphys.2024.1426545. eCollection 2024.
2
Titin stiffness modifies the force-generating region of muscle sarcomeres.肌联蛋白刚度改变肌小节的力产生区域。
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3
Titin Gene and Protein Functions in Passive and Active Muscle.肌联蛋白基因和蛋白在肌肉被动和主动状态下的功能
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4
Nonuniform elasticity of titin in cardiac myocytes: a study using immunoelectron microscopy and cellular mechanics.心肌细胞中肌联蛋白的非均匀弹性：一项使用免疫电子显微镜和细胞力学的研究。
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Titin elasticity and mechanism of passive force development in rat cardiac myocytes probed by thin-filament extraction.通过细肌丝提取探究大鼠心肌细胞中肌联蛋白弹性及被动力产生机制
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Am J Physiol Cell Physiol. 2018 Sep 1;315(3):C310-C318. doi: 10.1152/ajpcell.00183.2017. Epub 2018 May 16.
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Increased Expression of N2BA Titin Corresponds to More Compliant Myofibrils in Athlete's Heart.运动员心脏中的肌联蛋白 N2BA 表达增加对应于更具顺应性的肌原纤维。
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本文引用的文献

1
Regulation of myocardial contraction as revealed by intracellular Ca measurements using aequorin.应用水母发光蛋白测量细胞内钙离子浓度揭示心肌收缩的调节。
J Physiol Sci. 2024 Feb 21;74(1):12. doi: 10.1186/s12576-024-00906-7.
2
Stretch Harmonizes Sarcomere Strain Across the Cardiomyocyte.伸展协调心肌细胞中的肌节应变。
Circ Res. 2023 Jul 21;133(3):255-270. doi: 10.1161/CIRCRESAHA.123.322588. Epub 2023 Jul 4.
3
Contractile State Dependent Sarcomere Length Variability in Isolated Guinea-Pig Cardiomyocytes.豚鼠离体心肌细胞收缩状态依赖性肌节长度变异性
Front Physiol. 2022 Apr 4;13:857471. doi: 10.3389/fphys.2022.857471. eCollection 2022.
4
Synchrony of sarcomeric movement regulates left ventricular pump function in the in vivo beating mouse heart.肌节运动的同步性调节活体跳动小鼠心脏的左心室泵功能。
J Gen Physiol. 2021 Nov 1;153(11). doi: 10.1085/jgp.202012860. Epub 2021 Oct 4.
5
Making waves: A proposed new role for myosin-binding protein C in regulating oscillatory contractions in vertebrate striated muscle.掀起波澜：肌球蛋白结合蛋白 C 在调节脊椎动物横纹肌振荡收缩中的新作用。
J Gen Physiol. 2021 Mar 1;153(3). doi: 10.1085/jgp.202012729.
6
Sarcomeric Auto-Oscillations in Single Myofibrils From the Heart of Patients With Dilated Cardiomyopathy.扩张型心肌病患者心肌肌原纤维的自律震荡。
Circ Heart Fail. 2018 Jul;11(7):e004333. doi: 10.1161/CIRCHEARTFAILURE.117.004333.
7
Sarcomere Lengths Become More Non-uniform upon Activation in Intact Whole Muscle.在完整的整块肌肉激活时，肌节长度变得更加不均匀。
Front Physiol. 2017 Dec 7;8:1015. doi: 10.3389/fphys.2017.01015. eCollection 2017.
8
Simultaneous imaging of local calcium and single sarcomere length in rat neonatal cardiomyocytes using yellow Cameleon-Nano140.使用黄色钙调蛋白-Nano140对大鼠新生心肌细胞中的局部钙和单个肌节长度进行同步成像。
J Gen Physiol. 2016 Oct;148(4):341-55. doi: 10.1085/jgp.201611604.
9
A mutation in the glutamate-rich region of RNA-binding motif protein 20 causes dilated cardiomyopathy through missplicing of titin and impaired Frank-Starling mechanism.RNA 结合蛋白 20 的谷氨酸丰富区的突变通过肌联蛋白的错剪接和弗兰克-斯塔尔机制受损导致扩张型心肌病。
Cardiovasc Res. 2016 Oct;112(1):452-63. doi: 10.1093/cvr/cvw192. Epub 2016 Aug 5.
10
Nano-imaging of the beating mouse heart in vivo: Importance of sarcomere dynamics, as opposed to sarcomere length per se, in the regulation of cardiac function.活体小鼠跳动心脏的纳米成像：肌节动力学而非肌节长度本身在心脏功能调节中的重要性。
J Gen Physiol. 2016 Jan;147(1):53-62. doi: 10.1085/jgp.201511484.