Decoding the NRF2–NOTCH Crosstalk in Lung Cancer—An Update

The Nuclear factor erythroid 2-related factor 2 (NRF2) Neurogenic locus NOTCH homolog protein (NOTCH) crosstalk has emerged as a critical regulatory axis in the progression of solid cancers, especially lung, affecting tumor growth and resistance to therapy. NRF2 is a master transcription factor that...

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Main Authors: Angelo Sparaneo, Filippo Torrisi, Floriana D’Angeli, Giovanni Giurdanella, Sara Bravaccini, Lucia Anna Muscarella, Federico Pio Fabrizio
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Antioxidants
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Online Access:https://www.mdpi.com/2076-3921/14/6/657
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Summary:The Nuclear factor erythroid 2-related factor 2 (NRF2) Neurogenic locus NOTCH homolog protein (NOTCH) crosstalk has emerged as a critical regulatory axis in the progression of solid cancers, especially lung, affecting tumor growth and resistance to therapy. NRF2 is a master transcription factor that orchestrates the cellular antioxidant response, while NOTCH signaling is involved in the cell–cell communication processes by influencing the patterns of gene expression and differentiation. Although frequently altered independently, genetic and epigenetic dysregulation of both NRF2 and NOTCH pathways often converge to deregulate oxidative stress responses and promote tumor cell survival. Recent findings reveal that the NRF2/NOTCH interplay extends beyond canonical signaling, contributing to metabolic reprogramming and reshaping the tumor microenvironment (TME) to promote cancer malignancy. Emerging scientific evidences highlight the key role of biochemical and metabolomic changes within NRF2–NOTCH crosstalk, in contributing to cancer progression and metabolic reprogramming, beyond facilitating the adaptation of cancer cells to the TME. Actually, the effects of the NRF2–NOTCH bidirectional interaction in either supporting or suppressing lung tumor phenotypes are still unclear. This review explores the molecular mechanisms underlying NRF2–NOTCH crosstalk in lung cancer, highlighting the impact of genetic and epigenetic deregulation mechanisms on neoplastic processes, modulating the TME and driving the metabolic reprogramming. Furthermore, we discuss therapeutic opportunities for targeting this regulatory network, which may open new avenues for overcoming drug resistance and improving clinical outcomes in lung cancer.
ISSN:2076-3921