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Updated: Jun 24, 2026
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An Unpredictable Chronic Mild Stress Protocol for Instigating Depressive Symptoms, Behavioral Changes and Negative Health Outcomes in Rodents
Published on: December 2, 2015
Vortioxetine's Therapeutic Potential: Cardiac Responses to Chronic Unpredictable Mild Stress in a Rat Model
Ozlem Ozmen1, Serife Tasan1, Gulin Ozdamar Unal2
1Burdur Mehmet Akif Ersoy University - Department of Pathology, Burdur - Turquia.
Arquivos Brasileiros De Cardiologia
|February 12, 2025
Summary
Chronic unpredictable mild stress (CUMS) damages rat hearts, causing inflammation and cell death. Vortioxetine (VOR) treatment protected against this cardiac damage, suggesting potential benefits for heart health.
Area of Science:
- Cardiovascular Research
- Neuroscience
- Pharmacology
Background:
- Stress significantly impacts physical and mental health, with known cardiovascular effects, though cellular mechanisms are less understood.
- Vortioxetine (VOR), an antidepressant, exhibits anti-inflammatory and antioxidant properties that may mitigate cardiac damage.
- Investigating stress-induced cardiac pathology and potential therapeutic interventions is crucial for cardiovascular health.
Purpose of the Study:
- To investigate the cardiac effects of chronic unpredictable mild stress (CUMS) in a rat model.
- To evaluate the cardioprotective potential of vortioxetine (VOR) against CUMS-induced cardiac damage.
Main Methods:
- Male Wistar Albino rats were subjected to CUMS for 6 weeks, with one group receiving VOR treatment.
- Control and VOR-only groups were not exposed to stress.
- Cardiac tissues were analyzed using histopathological and immunohistochemical methods.
Main Results:
- CUMS induced significant cardiac damage, including hyperemia, hemorrhage, edema, and cellular infiltration.
- Stress led to altered levels of troponin, IL-10, caspase-3, and NF-κB in the heart.
- VOR treatment ameliorated CUMS-induced histopathological and immunohistochemical changes.
Conclusions:
- CUMS significantly damages rat hearts at the cellular level.
- Vortioxetine (VOR) demonstrates protective effects against stress-induced cardiac pathology.
- VOR may be a beneficial therapeutic option for managing stress-related cardiac conditions.
