心脏中的神经鞘脂:从摇篮到坟墓。
Sphingolipids in the Heart: From Cradle to Grave.
机构信息
Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA, United States.
Department of Biochemistry and Molecular Biology and the Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States.
出版信息
Front Endocrinol (Lausanne). 2020 Sep 15;11:652. doi: 10.3389/fendo.2020.00652. eCollection 2020.
Cardiovascular diseases are the leading cause of mortality worldwide and this has largely been driven by the increase in metabolic disease in recent decades. Metabolic disease alters metabolism, distribution, and profiles of sphingolipids in multiple organs and tissues; as such, sphingolipid metabolism and signaling have been vigorously studied as contributors to metabolic pathophysiology in various pathological outcomes of obesity, including cardiovascular disease. Much experimental evidence suggests that targeting sphingolipid metabolism may be advantageous in the context of cardiometabolic disease. The heart, however, is a structurally and functionally complex organ where bioactive sphingolipids have been shown not only to mediate pathological processes, but also to contribute to essential functions in cardiogenesis and cardiac function. Additionally, some sphingolipids are protective in the context of ischemia/reperfusion injury. In addition to mechanistic contributions, untargeted lipidomics approaches used in recent years have identified some specific circulating sphingolipids as novel biomarkers in the context of cardiovascular disease. In this review, we summarize recent literature on both deleterious and beneficial contributions of sphingolipids to cardiogenesis and myocardial function as well as recent identification of novel sphingolipid biomarkers for cardiovascular disease risk prediction and diagnosis.
心血管疾病是全球范围内的主要致死原因,这在很大程度上是由于近几十年来代谢性疾病的增加所致。代谢性疾病改变了多个器官和组织中鞘脂的代谢、分布和特征;因此,鞘脂代谢和信号转导作为肥胖症的各种病理结果中代谢病理生理学的贡献因素,包括心血管疾病,受到了广泛的研究。大量实验证据表明,针对鞘脂代谢可能在代谢性心血管疾病方面具有优势。然而,心脏是一个结构和功能复杂的器官,生物活性鞘脂不仅介导病理过程,而且对心肌发生和心脏功能的基本功能也有贡献。此外,一些鞘脂在缺血/再灌注损伤的情况下具有保护作用。除了对机制的贡献外,近年来使用的非靶向脂质组学方法还确定了一些特定的循环鞘脂作为心血管疾病背景下的新型生物标志物。在这篇综述中,我们总结了最近关于鞘脂对心肌发生和心肌功能的有害和有益贡献的文献,以及最近关于新型心血管疾病风险预测和诊断的鞘脂生物标志物的鉴定。