Oxidative Stress and Lysosomal Function in Health and Disease

A special issue of Antioxidants (ISSN 2076-3921). This special issue belongs to the section "Health Outcomes of Antioxidants and Oxidative Stress".

Deadline for manuscript submissions: 29 August 2025 | Viewed by 3173

Special Issue Editors


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Guest Editor
Departamento de Gastroenterología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago 8330033, Chile
Interests: lysosomal dysfunction; lysosomal storage disorders; cholesterol; lipids; lipid intracellular transport; cholesterol neurodegenerative diseases; liver diseases

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Guest Editor
Cell Signaling Laboratory, Department of Cell and Molecular Biology, Biological Sciences Faculty, Millennium Institute on Immunology and Immunotherapy, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
Interests: lysosomal dysfunction; neurobiology; synaptic plasticity; neurodegenerative diseases

Special Issue Information

Dear Colleagues,

Lysosomes are the cellular center for degradation and recycling of a variety of biological macromolecules. Moreover, they are essential for autophagy and fulfill relevant functions as a metabolic signaling platform that intersects with multiple pathways. In addition, lysosomes dynamically and strongly communicate with other key organelles involved in cellular metabolism, such as the endoplasmic reticulum and mitochondria.

Therefore, lysosome functionality has significant implications for health and disease. In this context, alterations in lysosome homeostasis are associated with diverse disorders which include common diseases, such as obesity, liver steatosis, Alzheimer's, and Parkinson's, and less frequent ones, such as lysosomal storage diseases. Interestingly, mounting evidence shows that increased oxidative stress induces lysosome damage, potentially compromising its functionality and therefore several processes in which this organelle participates, including autophagy.

We invite you to submit to this Special Issue that will bring together current research relating oxidative stress to lysosome function in health and disease, including both in vitro and in vivo studies. Your latest research findings or review articles are also welcome.

We look forward to your contributions.

Dr. Silvana M. Zanlungo
Dr. Alejandra R. Álvarez
Guest Editors

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Keywords

  • lysosome
  • lysosomal dysfunction
  • lysosome homeostasis
  • autophagy
  • oxidative stress

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Published Papers (1 paper)

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Review

28 pages, 1523 KiB  
Review
Lysosome-Mitochondrial Crosstalk in Cellular Stress and Disease
by Szilvia Kiraly, Jack Stanley and Emily R. Eden
Antioxidants 2025, 14(2), 125; https://doi.org/10.3390/antiox14020125 - 22 Jan 2025
Viewed by 2381
Abstract
The perception of lysosomes and mitochondria as entirely separate and independent entities that degrade material and produce ATP, respectively, has been challenged in recent years as not only more complex roles for both organelles, but also an unanticipated level of interdependence are being [...] Read more.
The perception of lysosomes and mitochondria as entirely separate and independent entities that degrade material and produce ATP, respectively, has been challenged in recent years as not only more complex roles for both organelles, but also an unanticipated level of interdependence are being uncovered. Coupled lysosome and mitochondrial function and dysfunction involve complex crosstalk between the two organelles which goes beyond mitochondrial quality control and lysosome-mediated clearance of damaged mitochondria through mitophagy. Our understanding of crosstalk between these two essential metabolic organelles has been transformed by major advances in the field of membrane contact sites biology. We now know that membrane contact sites between lysosomes and mitochondria play central roles in inter-organelle communication. This importance of mitochondria–lysosome contacts (MLCs) in cellular homeostasis, evinced by the growing number of diseases that have been associated with their dysregulation, is starting to be appreciated. How MLCs are regulated and how their coordination with other pathways of lysosome–mitochondria crosstalk is achieved are the subjects of ongoing scrutiny, but this review explores the current understanding of the complex crosstalk governing the function of the two organelles and its impact on cellular stress and disease. Full article
(This article belongs to the Special Issue Oxidative Stress and Lysosomal Function in Health and Disease)
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