ROS-Mediated Transition From Adaptation to Maladaptation in Myocardial Remodeling: Points of Convergence and Divergence

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "ROS, RNS and RSS".

Deadline for manuscript submissions: closed (10 December 2023) | Viewed by 1420

Special Issue Editor


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Guest Editor
National Institute of Health and Medical Research (INSERM) U1297, CEDEX 4, 31432 Toulouse, France
Interests: myocardial remodeling; oxidative stress; heart; cardiovascular diseases

Special Issue Information

Dear Colleagues,

Myocardial remodeling is a response of cardiac muscle to the stressful influence and injury caused by a large number of physiological and pathological conditions. Initially, it was considered a beneficial mechanism. However, sustained and prolonged cardiac remodeling has been associated with a significant increase in the risk of cardiovascular disease and mortality. There is growing evidence that oxidative stress, defined as an excess production of reactive oxygen species (ROS) relative to antioxidant defense, plays a central role in the pathophysiology of cardiac remodeling processes. It dictates subtle changes in intracellular pathways and redox signaling at lower levels, but causes cellular dysfunction, abnormal metabolism and damage at higher levels. Many researchers are trying to understand whether ROS-mediated cardiac remodeling is a “good” response to adaptation or a “bad” process to maladaptation.

This Topic aims to increase knowledge and understanding of physio(patho)logical nature of cardiac remodeling processes linked to oxidative stress status.

Dr. Oksana Kunduzova
Guest Editor

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Keywords

  • ROS
  • oxidative stress
  • injury
  • environmental stresses
  • cardiac remodeling
  • metabolism
  • antioxidants
  • OXPHOS
  • heart

Published Papers (1 paper)

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Review

14 pages, 811 KiB  
Review
Role of Perilipins in Oxidative Stress—Implications for Cardiovascular Disease
by Mathieu Cinato, Linda Andersson, Azra Miljanovic, Marion Laudette, Oksana Kunduzova, Jan Borén and Malin C. Levin
Antioxidants 2024, 13(2), 209; https://doi.org/10.3390/antiox13020209 - 07 Feb 2024
Cited by 1 | Viewed by 1144
Abstract
Oxidative stress is the imbalance between the production of reactive oxygen species (ROS) and antioxidants in a cell. In the heart, oxidative stress may deteriorate calcium handling, cause arrhythmia, and enhance maladaptive cardiac remodeling by the induction of hypertrophic and apoptotic signaling pathways. [...] Read more.
Oxidative stress is the imbalance between the production of reactive oxygen species (ROS) and antioxidants in a cell. In the heart, oxidative stress may deteriorate calcium handling, cause arrhythmia, and enhance maladaptive cardiac remodeling by the induction of hypertrophic and apoptotic signaling pathways. Consequently, dysregulated ROS production and oxidative stress have been implicated in numerous cardiac diseases, including heart failure, cardiac ischemia–reperfusion injury, cardiac hypertrophy, and diabetic cardiomyopathy. Lipid droplets (LDs) are conserved intracellular organelles that enable the safe and stable storage of neutral lipids within the cytosol. LDs are coated with proteins, perilipins (Plins) being one of the most abundant. In this review, we will discuss the interplay between oxidative stress and Plins. Indeed, LDs and Plins are increasingly being recognized for playing a critical role beyond energy metabolism and lipid handling. Numerous reports suggest that an essential purpose of LD biogenesis is to alleviate cellular stress, such as oxidative stress. Given the yet unmet suitability of ROS as targets for the intervention of cardiovascular disease, the endogenous antioxidant capacity of Plins may be beneficial. Full article
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