Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, 110062, India.
Translational Neurobiology Laboratory. Host Pathogen Interactions & Disease Modeling Group, Dept. of Life Sciences, School of Natural Sciences, Shiv Nadar University, Greater Noida, Pin-201314, UP, India.
Int J Obes (Lond). 2022 Feb;46(2):245-254. doi: 10.1038/s41366-021-00977-1. Epub 2021 Oct 22.
Metabolic Syndrome (MetS) constitutes an important risk factor for Alzheimer's disease (AD); however, the mechanism linking these two disorders has not been completely elucidated. Hence, hypercoagulation may account for the missing hallmark connecting MetS and AD. The present review proposes how hemostatic imbalance triggered in MetS advances in the context of AD. MetS causes interruption of insulin signaling and inflammation, inciting insulin resistance in the brain. Subsequently, neuroinflammation and brain endothelial dysfunction are prompted that further intensify the exorbitant infiltration of circulating lipids and platelet aggregation, thereby causing hypercoagulable state, impairing fibrinolysis and eventually inducing prothrombic state in the brain leading to neurodegeneration.
This study aims to understand the role of hypercoagulation in triggering the progression of neurodegeneration in MetS. It also offers a few interventions to prevent the progression of AD in MetS targeting hypercoagulation.
Literature studies based on MetS related neurodegeneration, the impact of coagulation on aggravating obesity and AD via the mechanisms of BBB disruption, neuroinflammation, and hypofibrinolysis.
The present paper proposes the hypothesis that hypercoagulation might amplify MetS associated insulin resistance, neuroinflammation, BBB disruption, and amyloid beta accumulation which eventually leads to AD.
代谢综合征(MetS)是阿尔茨海默病(AD)的重要危险因素;然而,将这两种疾病联系起来的机制尚未完全阐明。因此,高凝状态可能是连接 MetS 和 AD 的缺失特征的原因。本综述提出了凝血失衡如何在 AD 背景下引发 MetS。MetS 导致胰岛素信号和炎症中断,引发大脑胰岛素抵抗。随后,引发神经炎症和脑内皮功能障碍,进一步加剧循环脂质的过度渗透和血小板聚集,从而导致高凝状态,损害纤维蛋白溶解,最终导致大脑中的促血栓状态,导致神经退行性变。
本研究旨在了解高凝在触发 MetS 中神经退行性变进展中的作用。它还提供了一些针对高凝的干预措施,以防止 MetS 中 AD 的进展。
基于 MetS 相关神经退行性变、凝血通过 BBB 破坏、神经炎症和纤溶活性降低的机制加重肥胖和 AD 的影响的文献研究。
本文提出了一个假设,即高凝状态可能放大 MetS 相关的胰岛素抵抗、神经炎症、BBB 破坏和淀粉样蛋白β积累,最终导致 AD。