ArticleRedox biology2026
Targeting HIF-1α promotes ferroptosis and boosts antitumor immunity in MSS colorectal cancer.
Article in Redox biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
2 citing papers in PubMed.
- Fatty Acid Metabolism and Hypoxia in the Tumor Microenvironment: Metabolic Adaptation and Clinical Potential in Colorectal Cancer.Biomedicines · 2026Review
- Iron Metabolism in the Colorectal Tumor Microenvironment: From Preneoplastic Lesions to Cancer Progression.International journal of molecular sciences · 2026Review
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The lack of effective therapeutic options available for microsatellite stable (MSS) colorectal cancer (CRC) remains a significant clinical challenge. Interestingly, chemotherapy-resistant cancer cells can be induced to undergo ferroptosis, prompting our investigation into RSL3, a potent ferroptosis inducer, in MSS CRC cells. Our findings revealed that while RSL3 suppressed the growth of MSS CRC cells, a subset displayed resistance. Single-cell sequencing uncovered an aberrant activation of hypoxia pathways in RSL3-resistant MSS CRC cells. Inhibiting HIF-1α, the key transcription factor driving hypoxia signaling, restored RSL3 sensitivity in these resistant cells; moreover, this sensitivity was attenuated upon HIF-1α overexpression. Chromatin immunoprecipitation assays further demonstrated that in RSL3-resistant cells, HIF-1α was enriched at the promoter of P4HA1, a gene implicated in ferroptosis resistance, thereby enhancing its expression. Additionally, in vivo experiments using syngeneic transplantation of CT26 cells in mice revealed that combining RSL3 with an HIF-1α inhibitor markedly enhanced tumor suppression and metastasis prevention, concomitant with increased intratumoral infiltration of CD8
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