Antioxidants in Health and Disease: Environmental Challenges, Redox Homeostasis, and Adaptive Responses

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: 31 December 2026 | Viewed by 991

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Division of Occupational and Environmental Health, Institute for Medical Research and Occupational Health, Ksaverska Cesta 2, 10000 Zagreb, Croatia
Interests: human biomonitoring; metals/metalloids; pesticides; oxidative stress; antioxidants; combined exposure and interactions; health effects; metabolomics; biomarkers; analytical chemistry
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Special Issue Information

Dear Colleagues,

Antioxidants are key regulators of human health, maintaining redox balance, supporting adaptive stress responses, modulating inflammation, and preserving immune function. Endogenous and exogenous antioxidants work together to mitigate molecular damage and enhance cellular resilience to diverse stressors, aiding disease prevention and management. Environmental challenges, including chemical exposure, climate-related extremes, and lifestyle factors, can disrupt redox homeostasis, alter the microbiome, and reduce nutrient quality and availability, thereby increasing susceptibility to disease.

This Special Issue aims to explore antioxidants’ role in disease prevention and examine the complex interplay between environmental challenges, antioxidant defense systems, and adaptive redox responses at molecular, cellular, and systemic levels. We are seeking submissions of original research and review articles addressing how antioxidant pathways are activated, modulated, or disrupted by environmental exposures or climate-related stress; how exogenous antioxidants contribute to protection and resilience; and how these processes influence human health, disease progression, and therapeutic outcomes. Contributions which integrate mechanistic, clinical, nutritional, epidemiological, or translational perspectives are of particular interest.

Dr. Alica Pizent
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Antioxidants is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antioxidants
  • redox biology
  • oxidative stress
  • environmental exposures
  • adaptive responses
  • resilience
  • Nrf2 pathway
  • endogenous antioxidants
  • exogenous antioxidants
  • cellular homeostasis
  • environmental toxicology
  • climate-related stress
  • human health
  • chronic disease
  • prevention
  • therapeutic strategies

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Published Papers (1 paper)

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Research

30 pages, 9740 KB  
Article
Nocturnal Dim Blue Light Is Associated with Splenic Immune Dysregulation and Altered CORT-GR Signalling in High-Fat-Diet-Fed Mice
by Huairuo Shi, Qingyun Guan, Zixu Wang, Jing Cao, Yulan Dong and Yaoxing Chen
Antioxidants 2026, 15(7), 800; https://doi.org/10.3390/antiox15070800 - 26 Jun 2026
Viewed by 393
Abstract
Artificial light at night (ALAN) has emerged as a pervasive environmental stressor that disrupts immune homeostasis. This study examined the association between nocturnal dim blue light (dBL) exposure and splenic immune alterations, with particular attention to the corticosterone-glucocorticoid receptor, or CORT-GR, signalling pathway [...] Read more.
Artificial light at night (ALAN) has emerged as a pervasive environmental stressor that disrupts immune homeostasis. This study examined the association between nocturnal dim blue light (dBL) exposure and splenic immune alterations, with particular attention to the corticosterone-glucocorticoid receptor, or CORT-GR, signalling pathway in a high-fat diet-fed mouse model. Male C57BL/6 mice were exposed to dBL (~5 lx) during the dark phase for 12 weeks while maintained on a high-fat diet (HFD). Chronic dBL exposure was associated with splenic atrophy, impaired splenocyte proliferative responses, elevated circulating CORT, and increased splenic GR expression. dBL exposure also coincided with increased NF-κB activation, reduced Nrf2/HO-1 signalling, oxidative stress, and cytokine imbalance in the spleen. Furthermore, in an independent pharmacological cohort, inhibition of CORT synthesis or GR signalling partially attenuated these alterations. Together, these findings suggest that, within an HFD-fed mouse model, dBL exposure is associated with splenic redox-inflammatory imbalance and impaired proliferative responses, a process to which dysregulated CORT-GR signalling appears to contribute. Full article
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