The Role of Adipose Triglyceride Lipase and Cytosolic Lipolysis in Cardiac Function and Heart Failure.

The Role of Adipose Triglyceride Lipase and Cytosolic Lipolysis in Cardiac Function and Heart Failure.
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DOI:
10.1016/j.xcrm.2020.100001
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发表时间:
2020-04-21
期刊:
Cell reports. Medicine
影响因子:
--
通讯作者:
Zechner R
Zechner R
中科院分区:
其他
文献类型:
--
作者:
Kintscher U;Foryst-Ludwig A;Haemmerle G;Zechner R

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心力衰竭是世界范围内死亡的主要原因之一。迫切需要新的治疗概念来降低射血分数降低的心力衰竭(HFrEF)和射血分数保留的心力衰竭(HFpEF)(心力衰竭的两种主要形式)的负担。脂肪分解过程在心力衰竭的发展过程中被诱导,并发生在脂肪组织和多个器官中,包括心脏。越来越多的证据表明,细胞脂解,特别是脂肪甘油三酯脂肪酶(ATGL)的活性,在心脏(病理)生理学中具有重要的功能。本文综述了细胞脂解对正常心脏功能和HFrEF和HFpEF的发展的关键作用。我们讨论了最相关的临床前研究,并阐述了非心肌和心肌脂解调制的心脏后果。最后,我们批判性地分析了药物ATGL抑制作为未来HFrEF和/或HFpEF潜在治疗选择的治疗重要性。心力衰竭期间会诱导细胞质脂解,脂肪甘油三酯脂肪酶(ATGL)调节心脏功能。Kintscher等人讨论脂肪组织ATGL的缺失或抑制如何改善临床前心力衰竭模型的心功能。药物抑制脂肪组织ATGL可能为心力衰竭的治疗提供一个干预方向。
Heart failure is one of the leading causes of death worldwide. New therapeutic concepts are urgently required to lower the burden of heart failure with reduced ejection fraction (HFrEF) and heart failure with preserved ejection fraction (HFpEF), the two major forms of heart failure. Lipolytic processes are induced during the development of heart failure and occur in adipose tissue and multiple organs, including the heart. Increasing evidence suggests that cellular lipolysis, in particular, adipose triglyceride lipase (ATGL) activity, has an important function in cardiac (patho)physiology. This review summarizes the crucial role of cellular lipolysis for normal cardiac function and for the development of HFrEF and HFpEF. We discuss the most relevant pre-clinical studies and elaborate on the cardiac consequences of non-myocardial and myocardial lipolysis modulation. Finally, we critically analyze the therapeutic importance of pharmacological ATGL inhibition as a potential treatment option for HFrEF and/or HFpEF in the future. Cytosolic lipolysis is induced during heart failure, and adipose triglyceride lipase (ATGL) regulates cardiac function. Kintscher et al. discuss how the deletion or inhibition of adipose tissue ATGL improves cardiac function in pre-clinical heart failure models. Pharmacological inhibition of adipose tissue ATGL may provide a therapeutic intervention direction for heart failure.
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