Regulatory Light Chains in Cardiac Development and Disease.

Regulatory Light Chains in Cardiac Development and Disease.
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DOI:
10.3390/ijms22094351
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发表时间:
2021-04-21
影响因子:
5.6
通讯作者:
Cheung C
Cheung C
中科院分区:
生物学2区
文献类型:
--
作者:
Markandran K;Poh JW;Ferenczi MA;Cheung C

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在过去的十年中,调控轻链(rlc)在心肌功能中的作用逐渐被阐明。rlc是心脏发生过程中最早表达的标志物之一,并持续到成年期。衰竭的心脏显示RLC磷酸化水平降低,恢复RLC磷酸化的基线水平对于产生最佳肌肉收缩力是必要的。在疾病进展过程中触发RLC磷酸化水平变化的信号机制仍然难以捉摸。揭示这些信息可能为更好地管理心力衰竭患者提供见解。考虑到RLC亚型的心室特异性表达,心室RLC促进了成熟心室心肌细胞的鉴定,为再生医学开辟了可能性。这篇综述巩固了rlc在心脏发育和疾病中的地位,强调了针对rlc的知识差距和潜在的治疗进展。
The role of regulatory light chains (RLCs) in cardiac muscle function has been elucidated progressively over the past decade. The RLCs are among the earliest expressed markers during cardiogenesis and persist through adulthood. Failing hearts have shown reduced RLC phosphorylation levels and that restoring baseline levels of RLC phosphorylation is necessary for generating optimal force of muscle contraction. The signalling mechanisms triggering changes in RLC phosphorylation levels during disease progression remain elusive. Uncovering this information may provide insights for better management of heart failure patients. Given the cardiac chamber-specific expression of RLC isoforms, ventricular RLCs have facilitated the identification of mature ventricular cardiomyocytes, opening up possibilities of regenerative medicine. This review consolidates the standing of RLCs in cardiac development and disease and highlights knowledge gaps and potential therapeutic advancements in targeting RLCs.
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