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Oxidative Stress in Human Disease and Ageing: Insights and Innovations

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Biomedical Engineering".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1303

Special Issue Editor


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Guest Editor
Laboratory of Oxidative Stress and Antioxidants, Institute of Biotechnology, University of Caxias do Sul (UCS), Caxias do Sul 95070560, RS, Brazil
Interests: oxidative stress; antioxidants; mitochondria; cell culture; natural products

Special Issue Information

Dear Colleagues,

It is well known that the ageing process, an inherent characteristic of the human life cycle, is associated with a progressive decrease in cellular machinery, both biochemically and physiologically. In this scenario, the increase in ROS/RNS impacts cellular dynamics, causing oxidative stress, which, in turn, can lead to adaptation or cell injury. In the first one, the cells usually tolerate mild oxidative stress, leading to the upregulation of the antioxidant defence system. However, in the second one, there is a transient or permanent alteration of cellular homeostasis. In addition to ageing, a growing number of chronic diseases are also associated with oxidative stress, including neurodegenerative and psychiatric diseases, atherosclerosis, diabetes, hypertension, auto-immune diseases, and cancer, among others. Still, there are many gaps in the existing literature regarding the response to oxidative stress throughout life that culminates in these outcomes. Therefore, we would like to invite global research groups to contribute to this Special Issue. Manuscripts addressing the mechanisms of free-radical reactions in human disease and ageing and the evidence that antioxidant defence systems could help with ageing are welcome.

Warm regards,

Prof. Dr. Catia Branco
Guest Editor

Manuscript Submission Information

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Keywords

  • mitochondrial dysfunction
  • inflammation
  • elderly
  • chronic diseases
  • therapeutic antioxidants
  • redox metabolism
  • reactive nitrogen species
  • reactive oxygen species

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Published Papers (1 paper)

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Research

18 pages, 3343 KiB  
Article
Acute Effects of Photobiomodulation Therapy Combined with Static Magnetic Field in C2C12 Muscle Cells Exposed and Not Exposed to H2O2
by Marcos Vinicius Ferlito, João Vitor Ferlito, Fernando Joel Scariot, Mirian Salvador, Ernesto Cesar Pinto Leal-Junior, Thiago De Marchi and Catia Santos Branco
Appl. Sci. 2024, 14(22), 10221; https://doi.org/10.3390/app142210221 - 7 Nov 2024
Viewed by 973
Abstract
Photobiomodulation (PBM) has been applied in biomedical technology to improve cellular responses. Specifically in sports medicine, it is used to accelerate metabolic and structural repair and adaptation in skeletal muscle under stress overload. Currently, PBM has been associated with static Magnetic Field (sMF) [...] Read more.
Photobiomodulation (PBM) has been applied in biomedical technology to improve cellular responses. Specifically in sports medicine, it is used to accelerate metabolic and structural repair and adaptation in skeletal muscle under stress overload. Currently, PBM has been associated with static Magnetic Field (sMF) in clinical applications, enhancing the effects displayed by PBM when used in isolation. However, the biochemical and molecular effects of PBM-sMF in myoblasts remain unknown. This study aimed to investigate the effects of PBM combined with static magnetic field (PBM-sMF) at different doses in C2C12 muscle cells in the presence or absence of hydrogen peroxide (H2O2), a standard oxidant. Different spectrophotometric and fluorometric assays were conducted after cellular treatments. PBM-sMF was shown to be effective compared to H2O2 regarding cell viability and release of nitric oxide (NO), dsDNA, and reactive oxygen species (ROS) levels. It positively modulated mitochondrial membrane potential (ΔΨm) and cytochrome c oxidase (COX) activity under normal conditions and restored both to normal levels when impacted by H2O2. Regarding apoptosis, the recovery in viable cells observed on PBM-sMF treated cells was dose-dependent. In conclusion, PBM-sMF has a biphasic effect in normal and oxidative environments and may differently modulate myoblast cells depending on their redox status. Full article
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