Exploring Endoplasmic Reticulum Stress in Disease: The Therapeutic Potential of Natural Pro- and Antioxidant Compounds in Redox Modulation

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 October 2024 | Viewed by 828

Special Issue Editors


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Guest Editor
Department of Pharmacy, University of Salerno, Via G. Paolo II, Fisciano, 84084 Salerno, Italy
Interests: agro-industrial by-products; bioactive compounds; antioxidants; foods; green extraction

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Guest Editor
Department of Pharmacy, University of Salerno, Via G. Paolo II, Fisciano, 84084 Salerno, Italy
Interests: protein misfolding disorders; ER stress; antioxidants; biochemistry of cancer
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, Naples, Italy
Interests: chromatography; mass spectrometry; hyphenated analytical techniques; peptidomics; natural compounds; pharmacokinetics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The endoplasmic reticulum (ER) is responsible for folding and modifying proteins before transporting them within the cell. Pathological conditions like nutrient deprivation, oxidative stress, and changes in calcium levels can lead to ER stress due to an imbalance between protein-folding capacity and the demand for properly folded proteins. ER stress is implicated in various diseases, including neurodegenerative diseases, metabolic disorders (e.g., obesity, type 2 diabetes), cardiovascular diseases (e.g., atherosclerosis, heart failure, ischemia–reperfusion injury), inflammatory dis-orders (e.g., inflammatory bowel disease, rheumatoid arthritis, asthma), and cancer.

Understanding the role of ER stress in disease pathogenesis may drive novel therapeutic strategies targeting the ER stress response. Natural products are gaining attention for their potential to either mitigate or trigger oxidative and ER stress, yet further research is needed to fully understand their biochemical mechanisms in ER stress modulation to develop effective treatments.

We invite researchers to submit their original research and review articles aimed at deepening the understanding of and providing new perspectives on the effectiveness of plant-derived compounds, nutraceuticals, and functional foods in modulating ER stress for the treatment of associated diseases. Additionally, we welcome innovative methods for isolating and characterizing bioactive natural compounds and their mechanisms, uncovering new biological targets associated with ER stress, and elucidating their pharmacological effects.

Dr. Giacomo Pepe
Dr. Vincenzo Vestuto
Dr. Manuela Giovanna Basilicata
Guest Editors

Manuscript Submission Information

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Keywords

  • bioactive compounds
  • endoplasmic reticulum stress
  • inflammation
  • natural products
  • nutraceuticals
  • oxidative stress
  • protein misfolding
  • ROS
  • omics sciences

Published Papers (1 paper)

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Research

30 pages, 2543 KiB  
Article
Anticancer Therapies Based on Oxidative Damage: Lycium barbarum Inhibits the Proliferation of MCF-7 Cells by Activating Pyroptosis through Endoplasmic Reticulum Stress
by Maria Rosaria Miranda, Manuela Giovanna Basilicata, Vincenzo Vestuto, Giovanna Aquino, Pasquale Marino, Emanuela Salviati, Tania Ciaglia, Gloria Domínguez-Rodríguez, Ornella Moltedo, Pietro Campiglia, Giacomo Pepe and Michele Manfra
Antioxidants 2024, 13(6), 708; https://doi.org/10.3390/antiox13060708 - 11 Jun 2024
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Abstract
Lycium barbarum, commonly recognized as goji berry or wolfberry, is highly appreciated not only for its organoleptic and nutritional properties but also as an important source of bioactive compounds such as polysaccharides, carotenoids, phenolics, and various other non-nutritive compounds. These constituents give [...] Read more.
Lycium barbarum, commonly recognized as goji berry or wolfberry, is highly appreciated not only for its organoleptic and nutritional properties but also as an important source of bioactive compounds such as polysaccharides, carotenoids, phenolics, and various other non-nutritive compounds. These constituents give it a multitude of health benefits, including antioxidant, anti-inflammatory, and anticancer properties. However, the precise biochemical mechanisms responsible for its anticancer effects remain unclear, and the comprehensive composition of goji berry extracts is often insufficiently explored. This study aimed to investigate the biochemical pathways modulated in breast cancer cells by an ethanolic extract of Lycium barbarum fruit (LBE). Following metabolomic profiling using UHPLC-HRMS/MS, we assessed the antitumoral properties of LBE on different breast cancer cell lines. This investigation revealed that LBE exhibited cytotoxic effects, inducing a pro-oxidant effect that triggered pyroptosis activation through endoplasmic reticulum (ER) stress and subsequent activation of the P-IRE1α/XBP1/NLRP3 axis in MCF-7 cells. In addition, LBE did not display cytotoxicity toward healthy human cells but demonstrated antioxidant properties by neutralizing ROS generated by doxorubicin. These findings underscore the potential of LBE as a highly promising natural extract in cancer therapy. Full article
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