Related Experiment Video

Updated: Jul 5, 2026

Microfluidics in Assessing Platelet Function
06:47

Microfluidics in Assessing Platelet Function

Published on: November 8, 2024

Platelet function in patients with depression

Kapil Parakh1, Ankit Sakhuja, Utsav Bhat

  • 1Department of Medicine, Johns Hopkins University School of Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD 21224-2780, USA.

Southern Medical Journal
|May 14, 2008
PubMed

Insights

Depression elevates cardiovascular disease risk. While platelets are implicated, research on their function in depressed patients shows conflicting results, necessitating further study.

Area of Science:

  • Cardiovascular Medicine
  • Neuroscience
  • Hematology

Background:

  • Depression is a known risk factor for cardiovascular disease (CVD) mortality.
  • Platelets and the central nervous system share similarities in serotonin pathways.
  • Platelets play a critical role in CVD pathogenesis.

Purpose of the Study:

  • To comprehensively review the evidence linking depression and platelet function.
  • To explore the potential role of platelets in the increased cardiovascular risk associated with depression.

Main Methods:

  • Literature review of studies investigating depression and platelet activation.
  • Analysis of findings regarding platelet function in patients with depression.

Main Results:

  • Evidence suggests a complex and inconsistent relationship between depression and platelet activation.
  • Some studies indicate heightened platelet activation in depression, while others report no association or even reduced activation.
  • Existing research lacks standardization in methods for assessing platelet function.

Conclusions:

  • The precise role of platelet function in the cardiovascular risks of depression remains unclear.
  • Further large-scale, well-designed studies using standardized methodologies are required to elucidate this relationship.

More Related Videos

Preparation of Washed Human Platelets for Quantitative Metabolic Flux Studies07:06

Preparation of Washed Human Platelets for Quantitative Metabolic Flux Studies

Published on: January 10, 2025

Turbidimetry on Human Washed Platelets: The Effect of the Pannexin1-inhibitor Brilliant Blue FCF on Collagen-induced Aggregation09:13

Turbidimetry on Human Washed Platelets: The Effect of the Pannexin1-inhibitor Brilliant Blue FCF on Collagen-induced Aggregation

Published on: April 6, 2017

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 platelets, with...
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...
Depression: Overview01:18

Depression: Overview

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...
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...
G-protein Coupled Receptors01:21

G-protein Coupled Receptors

G-protein coupled receptors are ligand binding receptors that indirectly affect changes in the cell. The actual receptor is a single polypeptide that transverses the cell membrane seven times creating intracellular and extracellular loops. The extracellular loops create a ligand specific pocket which binds to neurotransmitters or hormones. The intracellular loops holds onto the G-protein.
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.