Related Experiment Video

Updated: Jul 30, 2026

Sampling Blood from the Lateral Tail Vein of the Rat
07:11

Sampling Blood from the Lateral Tail Vein of the Rat

Published on: May 18, 2015

[Changes in blood coagulation in stress and depression--from evolution to gene regulation]

R von Känel1

  • 1Institut für Verhaltenswissenschaft, Eidgenössische Technische Hochschule Zürich. roland.vonkaenel@ifv.gess.ethz.ch

Therapeutische Umschau. Revue Therapeutique
|December 13, 2003
PubMed

Insights

Mental stress and depression can lead to blood hypercoagulability, increasing heart disease risk. Interventions like beta-blockers and SSRIs may help manage this risk by affecting coagulation and platelet activity.

Area of Science:

  • Cardiovascular Science
  • Neuroscience
  • Hematology

Context:

  • Mental stress and depression are linked to a hypercoagulable state.
  • This state may contribute to increased cardiovascular risk in affected individuals.
  • The sympathetic nervous system, via catecholamines and adrenergic receptors, largely mediates these coagulation changes.

Purpose:

  • To explore the relationship between mental stress, depression, and blood coagulation.
  • To investigate the mechanisms underlying stress-induced hypercoagulability.
  • To examine the potential of therapeutic interventions in mitigating these risks.

Summary:

  • Stress and depression induce a hypercoagulable state, potentially increasing coronary risk.
  • Sympathetic nervous system activity and gene regulation influence coagulation and fibrinolysis.
  • Non-selective beta-blockers and selective serotonin reuptake inhibitors show promise in managing hypercoagulability.

Impact:

  • Highlights the link between mental health and cardiovascular health through coagulation pathways.
  • Suggests potential therapeutic targets for reducing cardiovascular risk in stressed or depressed populations.
  • Emphasizes the need for prospective studies to confirm the association with hard cardiovascular endpoints and treatment efficacy.

More Related Videos

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents06:55

An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents

Published on: December 2, 2015

The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice07:13

The Unpredictable Chronic Mild Stress Protocol for Inducing Anhedonia in Mice

Published on: October 24, 2018

Related Concept Videos

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...
Extrinsic and Intrinsic Pathways of Hemostasis01:20

Extrinsic and Intrinsic Pathways of Hemostasis

Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which forms a...
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Stress and Mental Health01:30

Stress and Mental Health

Chronic stress profoundly affects mental health, significantly influencing mood, behavior, and overall quality of life. Research closely links chronic stress with mental health conditions such as depression, anxiety, and substance use disorders. Ongoing exposure to stress can lead to physiological and psychological changes, initiating a cycle of emotional distress and maladaptive coping mechanisms.
Individuals with depression often experience challenges in both their personal and professional...