Depression and Cardiovascular Disease: The Viewpoint of Platelets

Patrizia Amadio1, Marta Zarà1, Leonardo Sandrini1

  • 1Unit of Brain-Heart Axis: Cellular and Molecular Mechanism, Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy.

Insights

Depression worsens cardiovascular disease (CVD) prognosis. This review highlights how platelet activation, influenced by depression-related molecules, triggers cardiovascular complications, revealing a critical link.

Area of Science:

  • Cardiology
  • Psychiatry
  • Molecular Biology

Background:

  • Depression is a significant cause of morbidity and reduced quality of life in cardiovascular disease (CVD) patients.
  • Depression is an independent risk factor for major adverse cardiovascular events.
  • A cross-vulnerability exists between depression and CVD, where each condition worsens the other's prognosis.

Purpose of the Study:

  • To dissect the mechanisms linking depression and CVD.
  • To highlight the critical role of platelet behavior during depression in triggering cardiovascular complications.
  • To discuss the relationship between depression and CVD-related molecules impacting platelet activation.

Main Methods:

  • Literature review focusing on the interplay between depression and CVD.
  • Analysis of proposed mechanisms linking the two conditions.
  • Emphasis on platelet activation as a key mediator.

Main Results:

  • Platelet activation is a central mechanism in the depression-CVD interplay.
  • Depression influences molecules (e.g., catecholamines, adipokines, lipids, ROS, chemokines) implicated in CVD.
  • These molecules impact platelet activation, potentially triggering cardiovascular events.

Conclusions:

  • Platelet behavior during depression is a critical factor in cardiovascular complications.
  • Understanding the molecular mechanisms linking depression and CVD, particularly platelet activation, is crucial for improving patient outcomes.

Related Concept Videos

Structure and Function of Platelets01:18

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
2.5K
Psychoneuroimmunology: Cardiovascular Disease01:27

Psychoneuroimmunology: Cardiovascular Disease

Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
221
Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
8.3K
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
910
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
244
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
1.3K