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Regulation and Targeting of Ferroptosis in Tumor and Beyond (Second Edition)

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Oncology".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 143

Special Issue Editor

Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, GA 30322, USA
Interests: metastasis; molecular pathway; cancer models; metabolism; tumor microenvironment; drug screening and development
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Special Issue Information

Dear Colleagues,

Ferroptosis is a newly emerged programmed necrosis process implicated in multiple biological and pathological conditions. As a novel form of regulated cell death (RCD), ferroptosis has garnered increasing attention in studies on numerous human diseases in the last decade. Numerous cellular factors and potential regulatory pathways underlying ferroptosis have been elucidated; however, its precise mechanism and function are not well understood. Emerging evidence has demonstrated that ferroptosis is an iron-dependent form of nonapoptotic cell death induced by excessive lipid peroxidation, which is accompanied by an increased uptake of polyunsaturated fatty acids into the cellular membrane and further unfolding an ancient vulnerability in multiple contexts. Ferroptosis susceptibility has been demonstrated in many cancers, including hepatocellular carcinoma, breast cancer, and head and neck cancer. Ferroptosis induction, a nonapoptotic, regulated cell death modality, is a promising anti-cancer strategy.

The main aim of this topic is to study the mechanistic underpinnings of ferroptosis. Those include how ferroptosis is regulated at the molecular level and how to target its pathways therapeutically. Here, we will pay extra attention to these articles about novel/non-canonical ferroptosis pathways. This SI aims to advance our understanding of the fundamental biological process of ferroptosis and potentially identify new approaches to manipulate it for therapeutic benefits. Original research articles, reviews, and mini-reviews are welcome to be submitted to this research topic. Papers are expected to cover but are not limited to the following topics:

  1. Basic mechanisms involved in ferroptosis and critical regulators of ferroptosis.
  2. The role of proto-oncogenes and tumor suppressor genes in canonical and non-canonical ferroptosis regulation.
  3. Targeting ferroptosis for disease treatment.
  4. Ferroptosis and immunotherapy.
  5. Ferroptosis and cellular metabolism.
  6. Studies related to other cell death mechanisms (including but not limited to pyroptosis, apoptosis, necroptosis, and PANoptosis).
  7. The role of ferroptosis in drug resistance and stem cells.
  8. New drugs and targeting therapeutics associated with ferroptosis.

Dr. Yong Teng
Guest Editor

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Keywords

  • ferroptosis
  • iron
  • tumor survival and cell death
  • oxidation
  • drug development
  • anti-cancer strategies

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Published Papers (1 paper)

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Review

28 pages, 1270 KB  
Review
Metabolic Regulation of Ferroptosis in Breast Cancer
by Natalija Glibetic and Michael Weichhaus
Int. J. Mol. Sci. 2025, 26(19), 9686; https://doi.org/10.3390/ijms26199686 (registering DOI) - 4 Oct 2025
Abstract
Breast cancer, a leading global malignancy, exhibits extensive metabolic reprogramming that drives tumorigenesis, therapy resistance, and survival. Ferroptosis, an iron-dependent regulated cell death mechanism characterized by lipid peroxidation, emerges as a promising therapeutic vulnerability, particularly in aggressive subtypes like triple-negative breast cancer (TNBC). [...] Read more.
Breast cancer, a leading global malignancy, exhibits extensive metabolic reprogramming that drives tumorigenesis, therapy resistance, and survival. Ferroptosis, an iron-dependent regulated cell death mechanism characterized by lipid peroxidation, emerges as a promising therapeutic vulnerability, particularly in aggressive subtypes like triple-negative breast cancer (TNBC). This literature review comprehensively explores the metabolic regulation of ferroptosis in breast cancer cells, focusing on how dysregulated pathways modulate sensitivity or resistance. The review will discuss iron homeostasis, including upregulated transferrin receptor 1 (TFR1), diminished ferroportin, mitochondrial dynamics, and ferritinophagy, which catalyze ROS via Fenton reactions. It will examine glutathione (GSH) metabolism through the GPX4-GSH axis, with subtype-specific reliance on cystine import via xCT or de novo cysteine synthesis. Lipid metabolism will be analyzed as the core battleground, highlighting polyunsaturated fatty acid (PUFA) incorporation by ACSL4 promoting peroxidation, contrasted with monounsaturated fatty acid (MUFA) protection via SCD1, alongside subtype adaptations. Further, the review will address tumor microenvironment influences, such as cysteine supply from cancer-associated fibroblasts and oleic acid from adipocytes. Oncogenic signaling (e.g., RAS, mTOR) and tumor suppressors (e.g., p53) will be evaluated for their roles in resistance or sensitivity. Intersections with glucose metabolism (Warburg effect) and selenium-dependent antioxidants will be explored. Therapeutically, the review will consider targeting these nodes with GPX4 inhibitors or iron overload, synergized with immunotherapy for immunogenic cell death. Future directions will emphasize multi-omics integration and patient-derived organoids to uncover subtype-specific strategies for precision medicine in breast cancer. Full article
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